From d67be9f575b5ce5d380d5582a9f49af03f801c4d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Blome?= <43345275+ssmid@users.noreply.github.com> Date: Wed, 7 Jun 2023 09:35:54 +0000 Subject: [PATCH 001/134] THR-1 h5p editor: temporary file storage (#4147) * Created H5P microservice * Add kubernetes files for h5p microservice * Added @lumieducation/h5p-server package * Don't use mock auth for testing * Fix api tests to use new TestApiClient * WIP: H5P editor: temp file storage * WIP: H5P editor: added data classes * resolve merge conflict leftovers * h5p editor: temp file storage implementation completed * h5p editor: temp file storage tests added * h5p editor: temp file storage moved * h5p editor: temp storage files moved * Update temporary-file-storage.ts Create temporary file folder --------- Co-authored-by: Marvin Rode Co-authored-by: Marvin Rode (Cap) <127723478+marode-cap@users.noreply.github.com> Co-authored-by: Andre Blome Co-authored-by: Stephan Krause <101647440+SteKrause@users.noreply.github.com> --- .../temporary-file-storage/file-stats.ts | 12 + .../temporary-file-storage.spec.ts | 254 ++++++++++++++++++ .../temporary-file-storage.ts | 165 ++++++++++++ .../temporary-file-storage/temporary-file.ts | 24 ++ config/default.schema.json | 13 + 5 files changed, 468 insertions(+) create mode 100644 apps/server/src/modules/h5p-editor/temporary-file-storage/file-stats.ts create mode 100644 apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.spec.ts create mode 100644 apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.ts create mode 100644 apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file.ts diff --git a/apps/server/src/modules/h5p-editor/temporary-file-storage/file-stats.ts b/apps/server/src/modules/h5p-editor/temporary-file-storage/file-stats.ts new file mode 100644 index 00000000000..7e9a03055b9 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/temporary-file-storage/file-stats.ts @@ -0,0 +1,12 @@ +import { IFileStats } from '@lumieducation/h5p-server'; + +export class FileStats implements IFileStats { + birthtime: Date; + + size: number; + + constructor(birthtime: Date, size: number) { + this.birthtime = birthtime; + this.size = size; + } +} diff --git a/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.spec.ts b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.spec.ts new file mode 100644 index 00000000000..e5109b37093 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.spec.ts @@ -0,0 +1,254 @@ +import { ReadStream, closeSync, existsSync, mkdirSync, openSync, readFileSync, rmSync, writeSync } from 'node:fs'; +import { dirname, join } from 'node:path'; +import { Test, TestingModule } from '@nestjs/testing'; +import { IUser } from '@lumieducation/h5p-server'; +import { Readable } from 'node:stream'; +import { TemporaryFileStorage } from './temporary-file-storage'; +import { TemporaryFile } from './temporary-file'; + +const testContent = 'This is fake H5P content.'; +const today = new Date(); +const tomorrow = new Date(today.getFullYear(), today.getMonth(), today.getDate() + 1); + +describe('TemporaryFileStorage', () => { + let module: TestingModule; + let service: TemporaryFileStorage; + const path = '/tmp/test_temp_file_storage'; + + beforeAll(async () => { + if (existsSync(path)) { + rmSync(path, { recursive: true }); + } + mkdirSync(path); + module = await Test.createTestingModule({ + providers: [ + { + provide: TemporaryFileStorage, + useValue: new TemporaryFileStorage(path), + }, + ], + }).compile(); + service = module.get(TemporaryFileStorage); + }); + + afterAll(async () => { + await module.close(); + rmSync(path, { recursive: true }); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + const createDummyFile = (filename: string, userId: string) => { + const filepath = join(path, userId, filename); + const dir = dirname(filepath); + if (!existsSync(dir)) { + mkdirSync(dir, { recursive: true }); + } + + const file = openSync(filepath, 'w'); + writeSync(file, Buffer.from(testContent)); + closeSync(file); + + const fileMeta = openSync(`${filepath}.meta`, 'w'); + const meta = new TemporaryFile(filename, userId, tomorrow); + writeSync(fileMeta, Buffer.from(JSON.stringify(meta))); + closeSync(fileMeta); + }; + + const setup = () => { + const user: Required = { + email: 'testuser@example.org', + id: '12342-43212', + name: 'Marla Mathe', + type: 'local', + canCreateRestricted: false, + canInstallRecommended: false, + canUpdateAndInstallLibraries: false, + }; + const filename = 'abc/def.txt'; + const filepath = join(path, user.id, filename); + const otherUserId = '32142-32143'; + createDummyFile(filename, user.id); + createDummyFile(filename, otherUserId); + return { + user, + otherUserId, + filename, + filepath, + }; + }; + + it('service should be defined', () => { + expect(service).toBeDefined(); + }); + + describe('sanitizeFilename is called', () => { + describe('WHEN filename is valid', () => { + it('should return same filename', () => { + const filename = 'abc/def-ghi_jkl.txt'; + if (service.sanitizeFilename) { + expect(service.sanitizeFilename(filename)).toBe(filename); + } + }); + }); + describe('WHEN filename contains invalid characters', () => { + it('should sanitize %', () => { + if (service.sanitizeFilename) { + expect(service.sanitizeFilename('abc%/%def%.txt')).not.toContain('%'); + } + }); + it('should sanitize µ', () => { + if (service.sanitizeFilename) { + expect(service.sanitizeFilename('gedµfwa/abc.txt')).not.toContain('µ'); + } + }); + it('should crash if filename contains ..', () => { + expect(() => { + if (service.sanitizeFilename) { + return service.sanitizeFilename('../etc/shadow'); + } + return null; + }).toThrow(); + }); + }); + describe('WHEN filename is empty', () => { + it('should crash', () => { + expect(() => { + if (service.sanitizeFilename) { + service.sanitizeFilename(''); + } + }).toThrow(); + }); + }); + }); + + describe('deleteFile is called', () => { + describe('WHEN file exists', () => { + it('should delete file', async () => { + const { user, filename, filepath } = setup(); + await service.deleteFile(filename, user.id); + const fileExists = existsSync(filepath); + expect(fileExists).toBe(false); + }); + }); + describe('WHEN file does not exist', () => { + it('should throw error', async () => { + const { user } = setup(); + await expect(async () => { + await service.deleteFile('abc/nonexistingfile.txt', user.id); + }).rejects.toThrow(); + }); + }); + }); + + describe('fileExists is called', () => { + describe('WHEN file exists', () => { + it('should return true', async () => { + const { user, filename } = setup(); + await expect(service.fileExists(filename, user)).resolves.toBe(true); + }); + }); + describe('WHEN file does not exist', () => { + it('should return false', async () => { + const { user } = setup(); + await expect(service.fileExists('abc/nonexistingfile.txt', user)).resolves.toBe(false); + }); + }); + }); + + describe('getFileStats is called', () => { + describe('WHEN file exists', () => { + it('should return file stats', async () => { + const { user, filename } = setup(); + const filestats = await service.getFileStats(filename, user); + expect('size' in filestats && 'birthtime' in filestats).toBe(true); + }); + }); + describe('WHEN file does not exist', () => { + it('should throw error', async () => { + const { user } = setup(); + await expect(async () => service.getFileStats('abc/nonexistingfile.txt', user)).rejects.toThrow(); + }); + }); + }); + + describe('getFileStream is called', () => { + describe('WHEN file exists and no range is given', () => { + it('should return readable file stream', async () => { + const { user, filename } = setup(); + const stream = await service.getFileStream(filename, user); + let content = Buffer.alloc(0); + await new Promise((resolve, reject) => { + stream.on('data', (chunk) => { + content += chunk; + }); + stream.on('error', reject); + stream.on('end', resolve); + }); + expect(content).not.toBe(null); + expect(content.toString()).toEqual(testContent); + }); + }); + describe('WHEN file does not exist', () => { + it('should throw error', async () => { + const { user } = setup(); + await expect(async () => service.getFileStream('abc/nonexistingfile.txt', user)).rejects.toThrow(); + }); + }); + }); + + describe('listFiles is called', () => { + describe('WHEN existing user is given', () => { + it('should return only users file', async () => { + const { user, filename } = setup(); + const files = await service.listFiles(user); + expect(files.length).toBe(1); + expect(files[0].ownedByUserId).toBe(user.id); + expect(files[0].filename).toBe(filename); + }); + }); + describe('WHEN no user is given', () => { + it('should return both users files', async () => { + const { user, otherUserId } = setup(); + const files = await service.listFiles(); + expect(files.length).toBe(2); + expect(files[0].ownedByUserId).toBe(user.id); + expect(files[1].ownedByUserId).toBe(otherUserId); + }); + }); + }); + + describe('saveFile is called', () => { + describe('WHEN file exists', () => { + it('should overwrite file', async () => { + const { user, filename } = setup(); + const newData = 'This is new fake H5P content.'; + const readStream = Readable.from(newData); + await service.saveFile(filename, readStream as ReadStream, user, tomorrow); + const savedData = readFileSync(join(path, user.id, filename)); + expect(savedData.toString()).toBe(newData); + }); + }); + describe('WHEN file does not exist', () => { + it('should create new file', async () => { + const { user } = setup(); + const filename = 'newfile.txt'; + const readStream = Readable.from(testContent); + await service.saveFile(filename, readStream as ReadStream, user, tomorrow); + const savedData = readFileSync(join(path, user.id, filename)); + expect(savedData.toString()).toBe(testContent); + }); + }); + describe('WHEN expirationTime is in the past', () => { + it('should throw error', async () => { + const { user, filename } = setup(); + const readStream = Readable.from(testContent); + await expect(async () => + service.saveFile(filename, readStream as ReadStream, user, new Date(2023, 0, 1)) + ).rejects.toThrow(); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.ts b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.ts new file mode 100644 index 00000000000..d87dfb3347a --- /dev/null +++ b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file-storage.ts @@ -0,0 +1,165 @@ +/* eslint-disable no-await-in-loop */ +// needed for listFiles() +import { ReadStream } from 'fs'; +import { Readable } from 'stream'; +import { mkdirSync } from 'node:fs'; +import { readFile, writeFile, access, mkdir, open, readdir, stat, rm, rmdir } from 'node:fs/promises'; +import { dirname, join } from 'node:path'; +import { relative } from 'path'; +import { Injectable } from '@nestjs/common'; +import { ITemporaryFile, ITemporaryFileStorage, IUser } from '@lumieducation/h5p-server'; +import { FileStats } from './file-stats'; +import { TemporaryFile } from './temporary-file'; + +@Injectable() +export class TemporaryFileStorage implements ITemporaryFileStorage { + constructor(private readonly path: string) { + mkdirSync(path, { recursive: true }); + } + + private checkFilename(filename: string): void { + if (/^[a-zA-Z0-9/._-]+$/g.test(filename) && !filename.includes('..') && !filename.startsWith('/')) { + return; + } + throw new Error(`Filename contains forbidden characters or is empty: '${filename}'`); + } + + private async *readdirFilesRecursive(dirpath: string): AsyncGenerator { + const direntries = await readdir(dirpath, { withFileTypes: true }); + for (const entry of direntries) { + const entrypath = join(dirpath, entry.name); + if (entry.isDirectory()) { + yield* this.readdirFilesRecursive(entrypath); + } else { + yield entrypath; + } + } + } + + private async getFileInfo(filename: string, userId: string): Promise { + this.checkFilename(filename); + this.checkFilename(userId); + const path = `${join(this.path, userId, filename)}.meta`; + const data = await readFile(path); + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + const tempFileMetadata: TemporaryFile = JSON.parse(data.toString()); + return tempFileMetadata; + } + + private async ensureDirExists(path: string) { + const parent = dirname(path); + if (parent && parent !== '/') { + await this.ensureDirExists(parent); + } + try { + await access(path); + } catch { + // TODO use correct error + await mkdir(path); + } + } + + public sanitizeFilename?(filename: string): string { + const sanitizedFilename = filename.replace(/[^a-zA-Z0-9/._-]/g, '_'); + this.checkFilename(sanitizedFilename); + return sanitizedFilename; + } + + public async deleteFile(filename: string, userId: string): Promise { + this.checkFilename(filename); + this.checkFilename(userId); + const filepath = join(this.path, userId, filename); + await rm(filepath); + await rm(`${filepath}.meta`); + const dir = dirname(filename); + if (dir !== '') { + const dirpath = join(this.path, userId, dir); + if ((await readdir(join(this.path, userId, dir))).length === 0) { + await rmdir(dirpath); + } + } + } + + public async fileExists(filename: string, user: IUser): Promise { + this.checkFilename(filename); + this.checkFilename(user.id); + try { + await access(join(this.path, user.id, filename)); + } catch (error) { + return false; + } + return true; + } + + public async getFileStats(filename: string, user: IUser): Promise { + this.checkFilename(filename); + this.checkFilename(user.id); + const stats = await stat(join(this.path, user.id, filename)); + return new FileStats(stats.birthtime, stats.size); + } + + public async getFileStream( + filename: string, + user: IUser, + rangeStart?: number | undefined, + rangeEnd?: number | undefined + ): Promise { + this.checkFilename(filename); + this.checkFilename(user.id); + const file = await open(join(this.path, user.id, filename)); // file is auto closed + const stream = file.createReadStream({ + start: rangeStart, + end: rangeEnd, + }); + return stream; + } + + public async listFiles(user?: IUser | undefined): Promise { + if (user) { + this.checkFilename(user.id); + await access(join(this.path, user.id)); + } + const users: Array = user ? [user.id] : await readdir(this.path); + const tempFiles: Array = []; + for (const currentUser of users) { + // no-await-in-loop es-lint check disabled here + // user by user should be okay here, otherwise there could be thousands of promises at once + // list ALL files is only needed for clean up job + const userpath = join(this.path, currentUser); + const userFiles: string[] = []; + for await (const file of this.readdirFilesRecursive(join(this.path, currentUser))) { + userFiles.push(relative(userpath, file)); + } + const newTempFiles = await Promise.all( + userFiles + .filter((userFile) => !userFile.endsWith('.meta')) + .map(async (userFile) => this.getFileInfo(userFile, currentUser)) + ); + tempFiles.push(...newTempFiles); + } + return tempFiles; + } + + public async saveFile( + filename: string, + dataStream: ReadStream, + user: IUser, + expirationTime: Date + ): Promise { + this.checkFilename(filename); + this.checkFilename(user.id); + const now = new Date(); + if (expirationTime < now) { + throw new Error('expirationTime must be in the future'); + } + + const path = join(this.path, user.id, filename); + await this.ensureDirExists(dirname(path)); + + await writeFile(path, dataStream); + const meta = new TemporaryFile(filename, user.id, expirationTime); + await writeFile(`${path}.meta`, JSON.stringify(meta)); + + return meta; + } +} diff --git a/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file.ts b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file.ts new file mode 100644 index 00000000000..fabbcbd2156 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/temporary-file-storage/temporary-file.ts @@ -0,0 +1,24 @@ +import { ITemporaryFile } from '@lumieducation/h5p-server'; + +export class TemporaryFile implements ITemporaryFile { + /** + * Indicates when the temporary file should be deleted. + */ + expiresAt: Date; + + /** + * The name by which the file can be identified; can be a path including subdirectories (e.g. 'images/xyz.png') + */ + filename: string; + + /** + * The user who is allowed to access the file + */ + ownedByUserId: string; + + constructor(filename: string, ownedByUserId: string, expiresAt: Date) { + this.filename = filename; + this.ownedByUserId = ownedByUserId; + this.expiresAt = expiresAt; + } +} diff --git a/config/default.schema.json b/config/default.schema.json index 584db4a9c9c..92e12a44535 100644 --- a/config/default.schema.json +++ b/config/default.schema.json @@ -301,6 +301,19 @@ } } }, + "H5P_EDITOR": { + "type": "object", + "description": "Properties of the H5P server microservice", + "default": {}, + "properties": { + "INCOMING_REQUEST_TIMEOUT": { + "type": "integer", + "minimum": 0, + "default": 10000, + "description": "Timeout for incoming requests to the h5p editor in milliseconds." + } + } + }, "FEATURE_FWU_CONTENT_ENABLED": { "type": "boolean", "default": false, From c2c78dbb4865360f7a0ec43d5b74712d9f6c4d76 Mon Sep 17 00:00:00 2001 From: Stephan Krause <101647440+SteKrause@users.noreply.github.com> Date: Wed, 7 Jun 2023 11:38:12 +0200 Subject: [PATCH 002/134] THR-2 local content storage (#4140) * Created H5P microservice * Add kubernetes files for h5p microservice * Added @lumieducation/h5p-server package * add ContentStorage with interface IContentStorage * add addContent() * implement addFile(), contentExists(), deleteContent() * implement deleteFile(), fileExists() * add getFileStats(), getFileStream() * add getMetadata(), getParameters(), getUsage() * add getUserPermissions(), listContent() * add listFiles(), sanitizeFilename() * refactor sanitizeFileneame * add user check for getMetadata and getParameters * fix existsOrCreateDir * fix deleteContent and fileExists * fix fileExists and contentExists, refactor methods * add unit tests for contentStorage * delete comments in addFile * fix addFile test and change descriptions * fix getUsage * fix getUsage test * delete TODO * add error message to contentExists + tests * add test for empty contentId at fileEsists * remove unused private sanitize method * adjust errorhandling + add tests for error cases * add tests and fix error cases * replace math.random * change regex in checkfilename * refactor tests and content storage implementation * change any values to unknown * fix create content id * refactor and fix exist boolean in createContentId * fix test can not createContentId * create folder if content will be created * Allow files in subdirectories --------- Co-authored-by: Marvin Rode Co-authored-by: Marvin Rode (Cap) <127723478+marode-cap@users.noreply.github.com> --- .../contentStorage/contentStorage.spec.ts | 472 ++++++++++++++++++ .../contentStorage/contentStorage.ts | 295 +++++++++++ 2 files changed, 767 insertions(+) create mode 100644 apps/server/src/modules/h5p-editor/contentStorage/contentStorage.spec.ts create mode 100644 apps/server/src/modules/h5p-editor/contentStorage/contentStorage.ts diff --git a/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.spec.ts b/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.spec.ts new file mode 100644 index 00000000000..5da9c01dfd1 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.spec.ts @@ -0,0 +1,472 @@ +import { Test, TestingModule } from '@nestjs/testing'; +import { IContentMetadata, ILibraryName, IUser } from '@lumieducation/h5p-server'; +import * as fs from 'node:fs'; +import fsPromiseMock from 'node:fs/promises'; +import { Readable, Stream } from 'stream'; +import rimraf from 'rimraf'; +import path from 'node:path'; +import { ContentStorage } from './contentStorage'; + +function delay(ms: number) { + // eslint-disable-next-line no-promise-executor-return + return new Promise((resolve) => setTimeout(resolve, ms)); +} + +const setup = () => { + const dir = './apps/server/src/modules/h5p-editor/contentStorage/testContentStorage/'; + + if (!fs.existsSync(dir)) { + fs.mkdirSync(dir); + } + + const library: ILibraryName = { + machineName: 'testLibrary', + majorVersion: 1, + minorVersion: 0, + }; + + const library2: ILibraryName = { + machineName: 'testLibrary56', + majorVersion: 1, + minorVersion: 0, + }; + + const metadata: IContentMetadata = { + embedTypes: ['div'], + language: 'de', + mainLibrary: 'testLibrary', + preloadedDependencies: [library], + editorDependencies: [library], + dynamicDependencies: [library], + defaultLanguage: '', + license: '', + title: 'Test123', + }; + + const metadata2: IContentMetadata = { + embedTypes: ['div'], + language: 'de', + mainLibrary: 'testLibrary2', + preloadedDependencies: [library], + defaultLanguage: '', + license: '', + title: 'Test123', + }; + + const metadata3: IContentMetadata = { + embedTypes: ['div'], + language: 'de', + mainLibrary: 'testLibrary3', + preloadedDependencies: [], + editorDependencies: [], + dynamicDependencies: [], + defaultLanguage: '', + license: '', + title: 'Test123', + }; + + const testContentFilename = 'testContent.json'; + fs.writeFileSync(path.join(dir, testContentFilename), JSON.stringify(metadata)); + const content = testContentFilename; + const user: IUser = { + canCreateRestricted: false, + canInstallRecommended: false, + canUpdateAndInstallLibraries: false, + email: 'testUser1@testUser123.de', + id: '', + name: 'User Test', + type: '', + }; + const stream: Stream = new Stream(); + + const contentId = '2345'; + const contentId2 = '6789'; + const contentId4 = '5678906'; + const notExistingContentId = '987mn'; + fs.mkdirSync(path.join(dir, contentId.toString()), { recursive: true }); + fs.writeFileSync(path.join(dir, contentId.toString(), 'h5p.json'), JSON.stringify(metadata)); + fs.writeFileSync(path.join(dir, contentId.toString(), 'content.json'), JSON.stringify(content)); + + fs.mkdirSync(path.join(dir, contentId2), { recursive: true }); + fs.writeFileSync(path.join(dir, contentId2.toString(), 'h5p.json'), JSON.stringify(metadata2)); + fs.writeFileSync(path.join(dir, contentId2.toString(), 'content.json'), JSON.stringify(content)); + + fs.mkdirSync(path.join(dir, contentId4), { recursive: true }); + fs.writeFileSync(path.join(dir, contentId4.toString(), 'h5p.json'), JSON.stringify(metadata3)); + fs.writeFileSync(path.join(dir, contentId4.toString(), 'content.json'), JSON.stringify(content)); + + const filename1 = 'testFile1.json'; + const notExistingFilename = 'testFile987.json'; + const undefinedContentId = ''; + const wrongFilename = 'testName!?.json'; + const filename2 = 'testFiletoAdd123.json'; + const emptyContentId = ''; + fs.writeFileSync(path.join(dir, contentId.toString(), filename1), JSON.stringify(content)); + + return { + content, + contentId, + contentId2, + dir, + emptyContentId, + filename1, + filename2, + library, + library2, + metadata, + notExistingContentId, + notExistingFilename, + stream, + undefinedContentId, + user, + wrongFilename, + }; +}; + +describe('ContentStorage', () => { + let module: TestingModule; + let service: ContentStorage; + const { dir } = setup(); + + beforeAll(async () => { + module = await Test.createTestingModule({ + providers: [ + { + provide: ContentStorage, + useValue: new ContentStorage(dir, { invalidCharactersRegexp: /!/ }), + }, + ], + }).compile(); + service = module.get(ContentStorage); + }); + + afterAll(async () => { + await module.close(); + }); + + afterEach(() => { + rimraf.sync(dir); + jest.resetAllMocks(); + }); + + it('should be defined', () => { + expect(service).toBeDefined(); + }); + + describe('addContent', () => { + describe('WHEN content is created successfully', () => { + it('should return contentId', async () => { + const { metadata, content, user } = setup(); + const contentID = await service.addContent(metadata, content, user); + expect(contentID).toBeDefined(); + expect(typeof contentID).toBe('string'); + }); + }); + describe('WHEN contentId is empty', () => { + it('should throw new error', async () => { + const { metadata, content, user, emptyContentId } = setup(); + try { + await service.addContent(metadata, content, user, emptyContentId); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + describe('WHEN content can not be added error', () => { + it('should throw new error', async () => { + const { metadata, content, user } = setup(); + jest.spyOn(fsPromiseMock, 'writeFile').mockImplementationOnce(() => { + throw new Error('Could not write file'); + }); + try { + await service.addContent(metadata, content, user); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + describe('WHEN contentId can not be generated', () => { + it('should throw new error', async () => { + const { metadata, content, user } = setup(); + // eslint-disable-next-line @typescript-eslint/require-await + jest.spyOn(fsPromiseMock, 'access').mockImplementation(async () => undefined); + try { + await service.addContent(metadata, content, user); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('addFile', () => { + describe('WHEN file is created successfully', () => { + it('should add a file to content', async () => { + const { stream, contentId } = setup(); + const filename = 'testFiletoAdd123.json'; + await service.addFile(contentId, filename, stream); + await delay(0); + const fileExists = fs.existsSync(path.join(dir, contentId.toString(), filename)); + expect(fileExists).toEqual(true); + }); + }); + describe('WHEN file is not created successfully', () => { + it('should throw an error', async () => { + const { stream, notExistingContentId, filename2 } = setup(); + try { + await service.addFile(notExistingContentId, filename2, stream); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + describe('WHEN filename has special characters', () => { + it('should throw an error', async () => { + const { stream, notExistingContentId, wrongFilename } = setup(); + try { + await service.addFile(notExistingContentId, wrongFilename, stream); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('contentExists', () => { + describe('WHEN content exists', () => { + it('should return true', async () => { + const { contentId } = setup(); + const contentExists = await service.contentExists(contentId); + expect(contentExists).toEqual(true); + }); + }); + describe('WHEN content does not exist', () => { + it('should return false', async () => { + const { notExistingContentId } = setup(); + const contentExists = await service.contentExists(notExistingContentId); + expect(contentExists).toEqual(false); + }); + }); + describe('WHEN content is undefined', () => { + it('should throw an error', async () => { + const { undefinedContentId } = setup(); + try { + await service.contentExists(undefinedContentId); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('deleteContent', () => { + describe('WHEN content is deleted successfully', () => { + it('should delete existing content', async () => { + const { contentId } = setup(); + await service.deleteContent(contentId); + const contentExists = fs.existsSync(path.join(dir, contentId.toString())); + expect(contentExists).toEqual(false); + }); + }); + + describe('WHEN content can not be deleted', () => { + it('should throw error', async () => { + const { notExistingContentId } = setup(); + try { + await service.deleteContent(notExistingContentId); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + describe('deleteFile', () => { + describe('WHEN file is deleted successfully', () => { + it('should delete existing file', async () => { + const { contentId, filename1 } = setup(); + await service.deleteFile(contentId, filename1); + const fileExists = fs.existsSync(path.join(dir, contentId.toString(), filename1)); + expect(fileExists).toEqual(false); + }); + }); + + describe('WHEN file can not be deleted', () => { + it('should throw error', async () => { + const { notExistingContentId, notExistingFilename } = setup(); + try { + await service.deleteFile(notExistingContentId, notExistingFilename); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + describe('fileExists', () => { + describe('WHEN file exists', () => { + it('should return true', async () => { + const { contentId, filename1 } = setup(); + const fileExists = await service.fileExists(contentId, filename1); + expect(fileExists).toEqual(true); + }); + }); + + describe('WHEN file does not exist', () => { + it('should return false', async () => { + const { notExistingContentId, notExistingFilename } = setup(); + const fileExists = await service.fileExists(notExistingContentId, notExistingFilename); + expect(fileExists).toEqual(false); + }); + }); + describe('WHEN conetntId is undefined', () => { + it('should throw an error', async () => { + const { undefinedContentId, notExistingFilename } = setup(); + try { + await service.fileExists(undefinedContentId, notExistingFilename); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('getFileStats', () => { + describe('WHEN file exists', () => { + it('should return fileStats', async () => { + const { contentId, filename1, user } = setup(); + const fileStats = await service.getFileStats(contentId, filename1, user); + expect(fileStats).toBeDefined(); + expect(typeof fileStats).toBe('object'); + expect(fileStats.size).toBeGreaterThan(0); + expect(fileStats.birthtime).toBeDefined(); + }); + }); + + describe('WHEN file does not exist', () => { + it('should throw an error', async () => { + const { notExistingContentId, notExistingFilename, user } = setup(); + try { + await service.getFileStats(notExistingContentId, notExistingFilename, user); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('getFileStream', () => { + describe('WHEN file exists', () => { + it('should return fileStream', async () => { + const { contentId, filename1, user } = setup(); + const fileStream = await service.getFileStream(contentId, filename1, user); + expect(fileStream).toBeDefined(); + expect(typeof fileStream).toBe('object'); + expect(fileStream).toBeInstanceOf(Readable); + }); + }); + + describe('WHEN file does not exist', () => { + it('should throw an error', async () => { + const { notExistingContentId, notExistingFilename, user } = setup(); + try { + await service.getFileStream(notExistingContentId, notExistingFilename, user); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('getMetadata', () => { + describe('WHEN file exists', () => { + it('should return metadata', async () => { + const { contentId, user } = setup(); + const metadata = await service.getMetadata(contentId, user); + expect(metadata).toBeDefined(); + expect(metadata.language).toEqual('de'); + }); + }); + + describe('WHEN user is not defined', () => { + it('should throw an error', async () => { + const { contentId } = setup(); + try { + await service.getMetadata(contentId); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('getParameters', () => { + describe('WHEN user and content is defined', () => { + it('should return parameters', async () => { + const { contentId, user } = setup(); + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + const parameters = await service.getParameters(contentId, user); + expect(parameters).toBeDefined(); + expect(typeof parameters).toBe('string'); + }); + }); + + describe('WHEN user is not defined', () => { + it('should throw an error', async () => { + const { contentId } = setup(); + try { + await service.getParameters(contentId); + } catch (err) { + expect(err).toBeInstanceOf(Error); + } + }); + }); + }); + + describe('getUsage', () => { + describe('WHEN file exists and has main library', () => { + it('should return usage with main library greater than 0', async () => { + const { library } = setup(); + const usage = await service.getUsage(library); + expect(usage).toBeDefined(); + expect(usage.asMainLibrary).toBeGreaterThan(0); + expect(usage.asDependency).toBeGreaterThan(0); + }); + }); + describe('WHEN file exists and does not have a library', () => { + it('should return 0 dependecies and libaries', async () => { + const { library2 } = setup(); + const usage = await service.getUsage(library2); + expect(usage).toBeDefined(); + expect(usage.asMainLibrary).toEqual(0); + expect(usage.asDependency).toEqual(0); + }); + }); + }); + + describe('getUserPermissions', () => { + describe('WHEN user and content is defined', () => { + it('should return parameters', async () => { + const { contentId, user } = setup(); + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + const permissions = await service.getUserPermissions(contentId, user); + expect(permissions).toBeDefined(); + expect(permissions.length).toBeGreaterThan(0); + expect(permissions[1]).toEqual(1); + expect(permissions[2]).toEqual(2); + expect(permissions[3]).toEqual(3); + expect(permissions[4]).toEqual(5); + }); + }); + }); + + describe('listFiles', () => { + describe('WHEN content has files', () => { + it('should return a list of files from the content', async () => { + const { contentId, user } = setup(); + const fileList = await service.listFiles(contentId, user); + expect(fileList).toBeDefined(); + expect(fileList.length).toBeGreaterThan(0); + expect(fileList[0]).toEqual('testFile1.json'); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.ts b/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.ts new file mode 100644 index 00000000000..c948f3588ad --- /dev/null +++ b/apps/server/src/modules/h5p-editor/contentStorage/contentStorage.ts @@ -0,0 +1,295 @@ +/* eslint-disable @typescript-eslint/no-unused-vars */ +import { Injectable } from '@nestjs/common'; +import { Readable, Stream } from 'stream'; +import * as fs from 'node:fs'; +import * as fsPromises from 'node:fs/promises'; +import { getAllFiles } from 'get-all-files'; +import { + ContentId, + IContentMetadata, + IContentStorage, + LibraryName, + IFileStats, + ILibraryName, + IUser, + Permission, + streamToString, +} from '@lumieducation/h5p-server'; +import path from 'path'; +import rimraf from 'rimraf'; + +@Injectable() +export class ContentStorage implements IContentStorage { + constructor( + protected contentPath: string, + protected options?: { + invalidCharactersRegexp?: RegExp; + maxPathLength?: number; + } + ) {} + + public async addContent( + metadata: IContentMetadata, + content: unknown, + user: IUser, + contentId?: ContentId | undefined + ): Promise { + if (contentId === null || contentId === undefined) { + contentId = await this.createContentId(); + } + try { + fs.existsSync(path.join(this.getContentPath(), contentId.toString())); + await this.existsOrCreateDir(contentId); + await fsPromises.writeFile( + path.join(this.getContentPath(), contentId.toString(), 'h5p.json'), + JSON.stringify(metadata) + ); + await fsPromises.writeFile( + path.join(this.getContentPath(), contentId.toString(), 'content.json'), + JSON.stringify(content) + ); + } catch (error) { + if (fs.existsSync(path.join(this.getContentPath(), contentId.toString()))) { + rimraf.sync(path.join(this.getContentPath(), contentId.toString())); + } + + // eslint-disable-next-line @typescript-eslint/restrict-template-expressions, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call + throw new Error(`Error creating content.${error.toString()}`); + } + return contentId; + } + + // eslint-disable-next-line @typescript-eslint/require-await + public async addFile(contentId: string, filename: string, stream: Stream, user?: IUser | undefined): Promise { + this.checkFilename(filename); + if (!fs.existsSync(path.join(this.getContentPath(), contentId.toString()))) { + throw new Error('404: Content not Found at addFile.'); + } + + await this.existsOrCreateDir(contentId, path.dirname(filename)); + const fullPath = path.join(this.getContentPath(), contentId.toString(), filename); + const writeStream = fs.createWriteStream(fullPath); + stream.pipe(writeStream); + } + + public contentExists(contentId: string): Promise { + if (contentId === '' || contentId === undefined) { + throw new Error('ContentId is empty or undefined.'); + } + const exist = fs.existsSync(path.join(this.getContentPath(), contentId.toString())); + const existPromise: Promise = >(exist); + return existPromise; + } + + public async deleteContent(contentId: string, user?: IUser | undefined): Promise { + const fullPath = path.join(this.getContentPath(), contentId.toString()); + try { + if (!fs.existsSync(fullPath)) { + throw new Error('404: Content not Found at deleteContent.'); + } + fs.readdirSync(fullPath).forEach((file, index) => { + const curPath = path.join(fullPath, file); + fs.unlinkSync(curPath); + }); + + await fsPromises.rmdir(path.join(this.getContentPath(), contentId.toString())); + } catch (error) { + if (error) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call + throw new Error(error.toString()); + } + } + } + + public async deleteFile(contentId: string, filename: string, user?: IUser | undefined): Promise { + this.checkFilename(filename); + const absolutePath = path.join(this.getContentPath(), contentId.toString(), filename); + const exist = fs.existsSync(absolutePath); + if (!exist) { + throw new Error('404: Content not Found at deleteFile.'); + } + await fsPromises.rm(absolutePath); + } + + public fileExists(contentId: string, filename: string): Promise { + this.checkFilename(filename); + if (contentId === '' || contentId === undefined) { + throw new Error('ContentId is empty or undefined.'); + } + const exist = fs.existsSync(path.join(this.getContentPath(), contentId.toString(), filename)); + const existPromise: Promise = >(exist); + return existPromise; + } + + public async getFileStats(contentId: string, file: string, user: IUser): Promise { + if (!(await this.fileExists(contentId, file))) { + throw new Error('404: Content does not found to get file stats.'); + } + const fileStats = await fsPromises.stat(path.join(this.getContentPath(), contentId.toString(), file)); + return fileStats; + } + + public getFileStream( + contentId: string, + file: string, + user: IUser, + rangeStart?: number | undefined, + rangeEnd?: number | undefined + ): Promise { + const exist = (this.fileExists(contentId, file)); + if (!exist) { + throw new Error('404: Content file missing.'); + } + return >(fs.createReadStream( + path.join(this.getContentPath(), contentId.toString(), file), + { + start: rangeStart, + end: rangeEnd, + } + )); + } + + public async getMetadata(contentId: string, user?: IUser | undefined): Promise { + if (user !== undefined && user !== null) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-return + return JSON.parse(await streamToString(await this.getFileStream(contentId, 'h5p.json', user))); + } + throw new Error('Could not get Metadata'); + } + + public async getParameters(contentId: string, user?: IUser | undefined): Promise { + if (user !== undefined && user !== null) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-return + return JSON.parse(await streamToString(await this.getFileStream(contentId, 'content.json', user))); + } + throw new Error('Could not get Parameters'); + } + + public async getUsage(library: ILibraryName): Promise<{ asDependency: number; asMainLibrary: number }> { + let asDependency = 0; + let asMainLibrary = 0; + const defaultUser: IUser = { + canCreateRestricted: false, + canInstallRecommended: false, + canUpdateAndInstallLibraries: false, + email: '', + id: '', + name: 'getUsage', + type: '', + }; + + const contentIds = await this.listContent(); + for (const contentId of contentIds) { + // eslint-disable-next-line no-await-in-loop + const contentMetadata = await this.getMetadata(contentId, defaultUser); + const isMainLibrary = contentMetadata.mainLibrary === library.machineName; + if (this.hasDependencyOn(contentMetadata, library)) { + if (isMainLibrary) { + asMainLibrary += 1; + } else { + asDependency += 1; + } + } + } + return { asDependency, asMainLibrary }; + } + + // eslint-disable-next-line @typescript-eslint/no-unused-vars + public getUserPermissions(contentId: string, user: IUser): Promise { + const permission = >( + ([Permission.Delete, Permission.Download, Permission.Edit, Permission.Embed, Permission.View]) + ); + return permission; + } + + public async listContent(user?: IUser | undefined): Promise { + const directories = await fsPromises.readdir(this.getContentPath()); + return ( + await Promise.all( + directories.map(async (dir) => { + if ( + !(await (>(fs.existsSync(path.join(this.getContentPath(), dir, 'h5p.json'))))) + ) { + return ''; + } + return dir; + }) + ) + ).filter((content) => content !== ''); + } + + public async listFiles(contentId: string, user: IUser): Promise { + const contentDirectoryPath = path.join(this.getContentPath(), contentId.toString()); + const contentDirectoryPathLength = contentDirectoryPath.length + 1; + const absolutePaths = await getAllFiles(path.join(contentDirectoryPath)).toArray(); + const contentPath = path.join(contentDirectoryPath, 'content.json'); + const h5pPath = path.join(contentDirectoryPath, 'h5p.json'); + return absolutePaths + .filter((p) => p !== contentPath && p !== h5pPath) + .map((p) => p.substring(contentDirectoryPathLength)); + } + + // private methods + + protected async createContentId() { + let counter = 0; + let id = 0; + let exist = true; + do { + id = ContentStorage.getRandomId(1, 2 ** 32); + counter += 1; + const p = path.join(this.getContentPath(), id.toString()); + try { + // eslint-disable-next-line no-await-in-loop + await fsPromises.access(p); + } catch (error) { + exist = false; + } + } while (exist && counter < 10); + if (exist && counter === 10) { + throw new Error('Error generating contentId.'); + } + return id.toString(); + } + + private static getRandomId(min: number, max: number): number { + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, global-require, @typescript-eslint/no-var-requires + const crypto = require('crypto'); + // eslint-disable-next-line @typescript-eslint/no-unsafe-return, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call + return crypto.randomBytes(4).readUInt32BE(0, true); + } + + protected getContentPath(): string { + return this.contentPath; + } + + private async existsOrCreateDir(contentId: ContentId, subdir = '') { + await fsPromises.mkdir(path.join(this.getContentPath(), contentId.toString(), subdir), { recursive: true }); + } + + private hasDependencyOn( + metadata: { + dynamicDependencies?: ILibraryName[]; + editorDependencies?: ILibraryName[]; + preloadedDependencies: ILibraryName[]; + }, + library: ILibraryName + ): boolean { + if ( + metadata.preloadedDependencies.some((dep) => LibraryName.equal(dep, library)) || + metadata.editorDependencies?.some((dep) => LibraryName.equal(dep, library)) || + metadata.dynamicDependencies?.some((dep) => LibraryName.equal(dep, library)) + ) { + return true; + } + return false; + } + + checkFilename(filename: string): void { + filename = filename.split('.').slice(0, -1).join('.'); + if (/^[a-zA-Z0-9/._-]*$/.test(filename) && !filename.includes('..') && !filename.startsWith('/')) { + return; + } + throw new Error(`Filename contains forbidden characters ${filename}`); + } +} From 670941446b3d3607e2e508c1764e3c0eeb6d5fc5 Mon Sep 17 00:00:00 2001 From: "Marvin Rode (Cap)" <127723478+marode-cap@users.noreply.github.com> Date: Wed, 7 Jun 2023 11:38:52 +0200 Subject: [PATCH 003/134] THR-3 local library storage (#4133) * Implemented library storage * Tests for librray storage * full test coverage * Moved files --------- Co-authored-by: Stephan Krause <101647440+SteKrause@users.noreply.github.com> --- .../libraryStorage/libraryStorage.spec.ts | 462 ++++++++++++++++++ .../libraryStorage/libraryStorage.ts | 413 ++++++++++++++++ 2 files changed, 875 insertions(+) create mode 100644 apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.spec.ts create mode 100644 apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.ts diff --git a/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.spec.ts b/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.spec.ts new file mode 100644 index 00000000000..10ee2c0613c --- /dev/null +++ b/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.spec.ts @@ -0,0 +1,462 @@ +import { Test, TestingModule } from '@nestjs/testing'; + +import { ILibraryMetadata, ILibraryName } from '@lumieducation/h5p-server'; +import { mkdtemp } from 'fs/promises'; +import fs from 'node:fs/promises'; +import os from 'os'; +import path from 'path'; +import rimraf from 'rimraf'; +import { Readable } from 'stream'; + +import { LibraryStorage } from './libraryStorage'; + +describe('LibraryStorage', () => { + let module: TestingModule; + let adapter: LibraryStorage; + + let tmpDir: string; + + const createTestData = () => { + const createLib = (name: string, major: number, minor: number, patch: number): ILibraryMetadata => { + return { + machineName: name, + majorVersion: major, + minorVersion: minor, + patchVersion: patch, + runnable: false, + title: name, + }; + }; + + const metadataToName = ({ machineName, majorVersion, minorVersion }: ILibraryMetadata): ILibraryName => { + return { + machineName, + majorVersion, + minorVersion, + }; + }; + + const testingLib = createLib('testing', 1, 2, 3); + + const addonLib = createLib('addon', 1, 2, 3); + addonLib.addTo = { player: { machineNames: [testingLib.machineName] } }; + + const circularA = createLib('circular_a', 1, 2, 3); + const circularB = createLib('circular_b', 1, 2, 3); + circularA.preloadedDependencies = [metadataToName(circularB)]; + circularB.editorDependencies = [metadataToName(circularA)]; + + const fakeLibraryName: ILibraryName = { machineName: 'fake', majorVersion: 2, minorVersion: 3 }; + + const testingLibDependentA = createLib('first_dependent', 2, 5, 6); + testingLibDependentA.dynamicDependencies = [metadataToName(testingLib)]; + const testingLibDependentB = createLib('second_dependent', 2, 5, 6); + testingLibDependentB.preloadedDependencies = [metadataToName(testingLib)]; + + const libWithNonExistingDependency = createLib('fake_dependency', 2, 5, 6); + libWithNonExistingDependency.editorDependencies = [fakeLibraryName]; + + return { + libraries: [ + testingLib, + addonLib, + circularA, + circularB, + testingLibDependentA, + testingLibDependentB, + libWithNonExistingDependency, + ], + names: { + testingLib, + addonLib, + fakeLibraryName, + }, + }; + }; + + beforeAll(async () => { + const dir = path.join(os.tmpdir(), 'LibraryStorageTest'); + tmpDir = await mkdtemp(dir); + + module = await Test.createTestingModule({ + providers: [{ provide: LibraryStorage, useValue: new LibraryStorage(tmpDir) }], + }).compile(); + + adapter = module.get(LibraryStorage); + }); + + afterAll(async () => { + await module.close(); + }); + + afterEach(() => { + rimraf.sync(tmpDir); + }); + + it('should be defined', () => { + expect(adapter).toBeDefined(); + }); + + describe('when managing library metadata', () => { + const setup = async (addLibrary = true) => { + const { + names: { testingLib }, + } = createTestData(); + + if (addLibrary) { + await adapter.addLibrary(testingLib, false); + } + + return { testingLib }; + }; + + describe('when adding library', () => { + it('should succeed', async () => { + await setup(); + }); + + it('should fail to override existing library', async () => { + const { testingLib } = await setup(); + + const addLib = adapter.addLibrary(testingLib, false); + await expect(addLib).rejects.toThrowError("Can't add library because it already exists"); + }); + + it('should fail on IO errors', async () => { + const { testingLib } = await setup(false); + + jest.spyOn(fs, 'mkdir').mockImplementationOnce(() => { + throw new Error('Could not create directory'); + }); + + const addLibrary = adapter.addLibrary(testingLib, false); + await expect(addLibrary).rejects.toThrowError('Could not create directory'); + }); + }); + + describe('when getting metadata', () => { + it('should succeed if library existst', async () => { + const { testingLib } = await setup(); + + const returnedLibrary = await adapter.getLibrary(testingLib); + expect(returnedLibrary).toEqual(expect.objectContaining(testingLib)); + }); + + it("should fail if library doesn't exist", async () => { + const { testingLib } = await setup(false); + + const getLibrary = adapter.getLibrary(testingLib); + await expect(getLibrary).rejects.toThrowError('The requested library does not exist'); + }); + }); + + describe('when checking installed status', () => { + it('should return true if library is installed', async () => { + const { testingLib } = await setup(); + + const installed = await adapter.isInstalled(testingLib); + expect(installed).toBe(true); + }); + + it("should return false if library isn't installed", async () => { + const { testingLib } = await setup(false); + + const installed = await adapter.isInstalled(testingLib); + expect(installed).toBe(false); + }); + }); + + describe('when updating metadata', () => { + it('should update metadata', async () => { + const { testingLib } = await setup(); + + testingLib.author = 'Test Author'; + const updatedLibrary = await adapter.updateLibrary(testingLib); + const retrievedLibrary = await adapter.getLibrary(testingLib); + expect(retrievedLibrary).toEqual(updatedLibrary); + }); + + it("should fail if library doesn't exist", async () => { + const { testingLib } = await setup(false); + + const updateLibrary = adapter.updateLibrary(testingLib); + await expect(updateLibrary).rejects.toThrowError('Library is not installed'); + }); + }); + + describe('when updating additional metadata', () => { + it('should return true if data has changed', async () => { + const { testingLib } = await setup(); + + const updated = await adapter.updateAdditionalMetadata(testingLib, { restricted: true }); + expect(updated).toBe(true); + }); + + it("should return false if data hasn't changed", async () => { + const { testingLib } = await setup(); + + const updated = await adapter.updateAdditionalMetadata(testingLib, { restricted: false }); + expect(updated).toBe(false); + }); + + it('should fail if data could not be updated', async () => { + const { testingLib } = await setup(); + + jest.spyOn(fs, 'writeFile').mockImplementationOnce(() => { + throw new Error('Could not write file'); + }); + + const updateMetadata = adapter.updateAdditionalMetadata(testingLib, { restricted: true }); + await expect(updateMetadata).rejects.toThrowError('Could not update metadata'); + }); + }); + + describe('when deleting library', () => { + it('should succeed if library existst', async () => { + const { testingLib } = await setup(); + + await adapter.deleteLibrary(testingLib); + await expect(adapter.getLibrary(testingLib)).rejects.toThrow(); + }); + + it("should fail if library doesn't existst", async () => { + const { testingLib } = await setup(false); + + const deleteLibrary = adapter.deleteLibrary(testingLib); + await expect(deleteLibrary).rejects.toThrowError("Can't delete library, because it is not installed"); + }); + }); + }); + + describe('When getting library dependencies', () => { + const setup = async () => { + const { libraries, names } = createTestData(); + + for await (const library of libraries) { + await adapter.addLibrary(library, false); + } + + return names; + }; + + it('should find addon libraries', async () => { + const { addonLib } = await setup(); + + const addons = await adapter.listAddons(); + expect(addons).toContainEqual(expect.objectContaining(addonLib)); + }); + + it('should count dependencies', async () => { + await setup(); + + const dependencies = await adapter.getAllDependentsCount(); + expect(dependencies).toEqual({ 'circular_a-1.2': 1, 'testing-1.2': 2, 'fake-2.3': 1 }); + }); + + it('should count dependents for single library', async () => { + const { testingLib } = await setup(); + + const count = await adapter.getDependentsCount(testingLib); + expect(count).toBe(2); + }); + + it('should count dependencies for library without dependents', async () => { + const { addonLib } = await setup(); + + const count = await adapter.getDependentsCount(addonLib); + expect(count).toBe(0); + }); + }); + + describe('when listing libraries', () => { + const setup = async () => { + const { + libraries, + names: { testingLib }, + } = createTestData(); + + for await (const library of libraries) { + await adapter.addLibrary(library, false); + } + + return { libraries, testingLib }; + }; + + it('should return all libraries when no filter is used', async () => { + const { libraries } = await setup(); + + const allLibraries = await adapter.getInstalledLibraryNames(); + expect(allLibraries.length).toBe(libraries.length); + }); + + it('should return all libraries with machinename', async () => { + const { testingLib } = await setup(); + + const allLibraries = await adapter.getInstalledLibraryNames(testingLib.machineName); + expect(allLibraries.length).toBe(1); + }); + }); + + describe('when managing files', () => { + const setup = async (addFiles = true) => { + const { + names: { testingLib }, + } = createTestData(); + + const testFile = { + name: 'test/abc.json', + content: JSON.stringify({ property: 'value' }), + }; + + if (addFiles) { + await adapter.addLibrary(testingLib, false); + await adapter.addFile(testingLib, testFile.name, Readable.from(testFile.content)); + } + + return { testingLib, testFile }; + }; + + describe('when adding files', () => { + it('should work', async () => { + await setup(); + }); + + it('should fail if library is not installed', async () => { + const { testingLib, testFile } = await setup(false); + + const addFile = adapter.addFile(testingLib, testFile.name, Readable.from(testFile.content)); + await expect(addFile).rejects.toThrowError('Could not add file to library'); + }); + + it('should fail on illegal filename', async () => { + const { testingLib } = await setup(); + + const filenames = ['../abc.json', '/test/abc.json']; + + await Promise.all( + filenames.map((filename) => { + const addFile = adapter.addFile(testingLib, filename, Readable.from('')); + return expect(addFile).rejects.toThrowError('Illegal filename'); + }) + ); + }); + }); + + it('should list all files', async () => { + const { testingLib, testFile } = await setup(); + + const files = await adapter.listFiles(testingLib); + expect(files).toContainEqual(expect.stringContaining(testFile.name)); + }); + + describe('when checking if file exists', () => { + it('should return true if it exists', async () => { + const { testingLib, testFile } = await setup(); + + const exists = await adapter.fileExists(testingLib, testFile.name); + expect(exists).toBe(true); + }); + + it("should return false if it doesn't exist", async () => { + const { testingLib, testFile } = await setup(false); + + const exists = await adapter.fileExists(testingLib, testFile.name); + expect(exists).toBe(false); + }); + }); + + describe('when clearing files', () => { + it('should remove all files', async () => { + const { testingLib } = await setup(); + + await adapter.clearFiles(testingLib); + const files = await adapter.listFiles(testingLib); + expect(files).toEqual([expect.stringContaining('library.json')]); + }); + + it("should fail if library doesn't exist", async () => { + const { testingLib } = await setup(false); + + const clearFiles = adapter.clearFiles(testingLib); + await expect(clearFiles).rejects.toThrowError("Can't clear library files, because it is not installed"); + }); + }); + + describe('when retrieving files', () => { + it('should return parsed json', async () => { + const { testingLib, testFile } = await setup(); + + const json = await adapter.getFileAsJson(testingLib, testFile.name); + expect(json).toEqual(JSON.parse(testFile.content)); + }); + + it('should return file as string', async () => { + const { testingLib, testFile } = await setup(); + + const fileContent = await adapter.getFileAsString(testingLib, testFile.name); + expect(fileContent).toEqual(testFile.content); + }); + + it('should return file as stream', async () => { + const { testingLib, testFile } = await setup(); + + const fileStream = await adapter.getFileStream(testingLib, testFile.name); + + const streamContents = await new Promise((resolve, reject) => { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const chunks: any[] = []; + fileStream.on('data', (chunk) => chunks.push(chunk)); + fileStream.on('error', reject); + fileStream.on('end', () => resolve(Buffer.concat(chunks).toString('utf-8'))); + }); + + expect(streamContents).toEqual(testFile.content); + }); + }); + describe('when getting file stats', () => { + it('should return parsed json', async () => { + const { testingLib, testFile } = await setup(); + + const stats = await adapter.getFileStats(testingLib, testFile.name); + + expect(stats).toMatchObject({ + size: expect.any(Number), + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + birthtime: expect.any(Object), // expect.any(Date) behaves incorrectly + }); + }); + + it("should fail if file doesn't exist", async () => { + const { testingLib, testFile } = await setup(false); + + const getStats = adapter.getFileStats(testingLib, testFile.name); + await expect(getStats).rejects.toThrowError('The requested file does not exist'); + }); + }); + }); + + describe('when getting languages', () => { + const setup = async () => { + const { + names: { testingLib }, + } = createTestData(); + + await adapter.addLibrary(testingLib, false); + + const languages = ['en', 'de']; + + await Promise.all( + languages.map((language) => adapter.addFile(testingLib, `language/${language}.json`, Readable.from(''))) + ); + + return { testingLib, languages }; + }; + + it('should return a list of languages', async () => { + const { testingLib, languages } = await setup(); + + const supportedLanguages = await adapter.getLanguages(testingLib); + expect(supportedLanguages).toEqual(expect.arrayContaining(languages)); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.ts b/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.ts new file mode 100644 index 00000000000..305205cbf0d --- /dev/null +++ b/apps/server/src/modules/h5p-editor/libraryStorage/libraryStorage.ts @@ -0,0 +1,413 @@ +import { + InstalledLibrary, + LibraryName, + type IAdditionalLibraryMetadata, + type IFileStats, + type IInstalledLibrary, + type ILibraryMetadata, + type ILibraryName, + type ILibraryStorage, +} from '@lumieducation/h5p-server'; +import { Injectable } from '@nestjs/common'; + +import fsSync, { constants as FSConstants } from 'node:fs'; +import fs from 'node:fs/promises'; +import path from 'node:path'; +import type { Readable } from 'stream'; + +@Injectable() +export class LibraryStorage implements ILibraryStorage { + /** + * @param libraryDirectory Path of the directory in which the libraries are stored. Will be created if it does not exist. + */ + public constructor(private libraryDirectory: string) { + fsSync.mkdirSync(libraryDirectory, { recursive: true }); + } + + /** + * Returns the directory of the library. + * @param library + * @returns the absolute path to the library directory + */ + private getDirectoryPath(library: ILibraryName): string { + const uberName = LibraryName.toUberName(library); + const directoryPath = path.join(this.libraryDirectory, uberName); + return directoryPath; + } + + /** + * Returns the path of the file from the library. + * @param library + * @param filename + * @returns the absolute path to the file + */ + private getFilePath(library: ILibraryName, filename: string): string { + const uberName = LibraryName.toUberName(library); + const filePath = path.join(this.libraryDirectory, uberName, filename); + return filePath; + } + + /** + * Checks if the filename is absolute or traverses outside the directory. + * Throws an error if the filename is illegal. + * @param filename the requested file + */ + private checkFilename(filename: string): void { + if (path.normalize(filename).startsWith(`..${path.sep}`) || path.isAbsolute(filename)) { + throw new Error('Illegal filename'); + } + } + + /** + * Checks if the path can be accessed + * @param filePath + * @param options file access constant + */ + private async pathAccessible(filePath: string, options = FSConstants.F_OK) { + try { + await fs.access(filePath, options); + return true; + } catch (err) { + return false; + } + } + + /** + * Adds a file to a library. Library metadata must be installed using `installLibrary` first. + * @param library + * @param filename + * @param dataStream + * @returns true if successful + */ + public async addFile(library: ILibraryName, filename: string, dataStream: Readable): Promise { + this.checkFilename(filename); + + if (!(await this.isInstalled(library))) { + throw new Error(`Could not add file to library ${LibraryName.toUberName(library)}`); + } + + const fullPath = this.getFilePath(library, filename); + await fs.mkdir(path.dirname(fullPath), { recursive: true }); + await fs.writeFile(fullPath, dataStream); + + return true; + } + + /** + * Adds the metadata of the library + * @param libraryMetadata + * @param restricted + * @returns The newly created library object + */ + public async addLibrary(libraryMetadata: ILibraryMetadata, restricted: boolean): Promise { + const library = new InstalledLibrary( + libraryMetadata.machineName, + libraryMetadata.majorVersion, + libraryMetadata.minorVersion, + libraryMetadata.patchVersion, + restricted + ); + + const libraryPath = this.getDirectoryPath(library); + + if (await this.pathAccessible(libraryPath)) { + throw new Error(`Can't add library because it already exists`); + } + + try { + await fs.mkdir(libraryPath, { recursive: true }); + + const libraryMetadataPath = this.getFilePath(library, 'library.json'); + await fs.writeFile(libraryMetadataPath, JSON.stringify(libraryMetadata, undefined, 2)); + return library; + } catch (error) { + await fs.rm(libraryPath, { recursive: true, force: true }); + throw error; + } + } + + /** + * Removes all files of a library, but keeps the metadata + * @param library + */ + public async clearFiles(library: ILibraryName): Promise { + if (!(await this.isInstalled(library))) { + throw new Error("Can't clear library files, because it is not installed"); + } + + const fullLibraryPath = this.getDirectoryPath(library); + const files = (await fs.readdir(fullLibraryPath)).filter((file) => file !== 'library.json'); + + await Promise.all(files.map((entry) => fs.rm(this.getFilePath(library, entry), { recursive: true, force: true }))); + } + + /** + * Deletes metadata and all files of the library + * @param library + */ + public async deleteLibrary(library: ILibraryName): Promise { + const libPath = this.getDirectoryPath(library); + + if (!(await this.pathAccessible(libPath))) { + throw new Error("Can't delete library, because it is not installed"); + } + + await fs.rm(libPath, { recursive: true, force: true }); + } + + /** + * Checks if the file exists in the library + * @param library + * @param filename + * @returns true if the file exists, false otherwise + */ + public async fileExists(library: ILibraryName, filename: string): Promise { + this.checkFilename(filename); + + return this.pathAccessible(this.getFilePath(library, filename)); + } + + /** + * Counts how often libraries are listed in the dependencies of other libraries and returns a list of the number. + * @returns an object with ubernames as key. + */ + public async getAllDependentsCount(): Promise<{ [ubername: string]: number }> { + const installedLibraries = await this.getInstalledLibraryNames(); + const librariesMetadata = await Promise.all(installedLibraries.map((lib) => this.getLibrary(lib))); + + const librariesMetadataMap = new Map( + installedLibraries.map((library, idx) => [LibraryName.toUberName(library), librariesMetadata[idx]]) + ); + + // Remove circular dependencies + for (const libraryMetadata of librariesMetadata) { + for (const dependency of libraryMetadata.editorDependencies ?? []) { + const ubername = LibraryName.toUberName(dependency); + + const dependencyMetadata = librariesMetadataMap.get(ubername); + + if (dependencyMetadata?.preloadedDependencies) { + const index = dependencyMetadata.preloadedDependencies.findIndex((libName) => + LibraryName.equal(libName, libraryMetadata) + ); + + if (index >= 0) { + dependencyMetadata.preloadedDependencies.splice(index, 1); + } + } + } + } + + // Count dependencies + const dependencies: { [ubername: string]: number } = {}; + for (const libraryData of librariesMetadata) { + const { preloadedDependencies = [], editorDependencies = [], dynamicDependencies = [] } = libraryData; + + for (const dependency of preloadedDependencies.concat(editorDependencies, dynamicDependencies)) { + const ubername = LibraryName.toUberName(dependency); + dependencies[ubername] = (dependencies[ubername] ?? 0) + 1; + } + } + + return dependencies; + } + + /** + * Counts how many dependents the library has. + * @param library + * @returns the count + */ + public async getDependentsCount(library: ILibraryName): Promise { + const allDependencies = await this.getAllDependentsCount(); + return allDependencies[LibraryName.toUberName(library)] ?? 0; + } + + /** + * Returns the file as a JSON-parsed object + * @param library + * @param file + */ + public async getFileAsJson(library: ILibraryName, file: 'library.json'): Promise; + public async getFileAsJson(library: ILibraryName, file: string): Promise; + public async getFileAsJson(library: ILibraryName, file: string): Promise { + const content = await this.getFileAsString(library, file); + return JSON.parse(content) as unknown; + } + + /** + * Returns the file as a utf-8 string + * @param library + * @param file + */ + public async getFileAsString(library: ILibraryName, file: string): Promise { + const contents = await fs.readFile(this.getFilePath(library, file), 'utf-8'); + return contents; + } + + /** + * Returns information about a library file + * @param library + * @param file + */ + public async getFileStats(library: ILibraryName, file: string): Promise { + if (!(await this.fileExists(library, file))) { + throw new Error('The requested file does not exist'); + } + + const stats = fs.stat(this.getFilePath(library, file)); + return stats; + } + + /** + * Returns a readable stream of the file's contents. + * @param library + * @param file + */ + public getFileStream(library: ILibraryName, file: string): Promise { + const readStream = fsSync.createReadStream(this.getFilePath(library, file)); + return Promise.resolve(readStream); + } + + /** + * Lists all installed libraries or the installed libraries that have the machine name + * @param machineName (optional) only return libraries that have this machine name + */ + public async getInstalledLibraryNames(machineName?: string): Promise { + const nameRegex = /^([\w.]+)-(\d+)\.(\d+)$/i; // abc-12.34 + const libDirEntries = await fs.readdir(this.libraryDirectory); + + const libraries = libDirEntries + .filter((name) => nameRegex.test(name)) + .map((name) => LibraryName.fromUberName(name)) + .filter((lib) => !machineName || lib.machineName === machineName); + + return libraries; + } + + /** + * Lists all languages supported by a library + * @param library + */ + public async getLanguages(library: ILibraryName): Promise { + const languageDirEntries = await fs.readdir(this.getFilePath(library, 'language')); + + const languages = languageDirEntries + .filter((file) => path.extname(file) === '.json') + .map((file) => path.basename(file, '.json')); + + return languages; + } + + /** + * Returns the library metadata + * @param library + */ + public async getLibrary(library: ILibraryName): Promise { + if (!(await this.isInstalled(library))) { + throw new Error('The requested library does not exist'); + } + + const libraryMetadata = await this.getFileAsJson(library, 'library.json'); + const installedLibrary = InstalledLibrary.fromMetadata(libraryMetadata); + + return installedLibrary; + } + + /** + * Checks if a library is installed + * @param library + */ + public async isInstalled(library: ILibraryName): Promise { + return this.pathAccessible(this.getFilePath(library, 'library.json')); + } + + /** + * Lists all addons that are installed in the system. + */ + public async listAddons(): Promise { + const installedLibraryNames = await this.getInstalledLibraryNames(); + const installedLibraries = await Promise.all(installedLibraryNames.map((addonName) => this.getLibrary(addonName))); + const addons = installedLibraries.filter((library) => library.addTo !== undefined); + + return addons; + } + + /** + * Returns all files that are a part of the library + * @param library + * @returns an array of filenames + */ + public async listFiles(library: ILibraryName): Promise { + const libPath = this.getDirectoryPath(library); + + // Returns an async iterator + async function* getAllFiles(filepath: string): AsyncGenerator { + const entries = await fs.readdir(filepath, { withFileTypes: true }); + + for (const file of entries) { + if (file.isDirectory()) { + yield* getAllFiles(path.join(filepath, file.name)); + } else { + yield path.join(filepath, file.name); + } + } + } + + const files: string[] = []; + for await (const file of getAllFiles(libPath)) { + files.push(file); + } + + return files; + } + + /** + * Updates the additional metadata properties that are added to the stored libraries. + * @param library + * @param additionalMetadata + */ + public async updateAdditionalMetadata( + library: ILibraryName, + additionalMetadata: Partial + ): Promise { + const libraryMetadata = await this.getLibrary(library); + + let dirty = false; + for (const [property, value] of Object.entries(additionalMetadata)) { + if (value !== libraryMetadata[property]) { + libraryMetadata[property] = value; + dirty = true; + } + } + + // Don't write file if nothing has changed + if (!dirty) { + return false; + } + + try { + await fs.writeFile(this.getFilePath(library, 'library.json'), JSON.stringify(libraryMetadata, undefined, 2)); + return true; + } catch (error) { + throw new Error('Could not update metadata'); + } + } + + /** + * Updates the library metadata + * @param libraryMetadata + */ + async updateLibrary(libraryMetadata: ILibraryMetadata): Promise { + const libPath = this.getDirectoryPath(libraryMetadata); + + if (!(await this.pathAccessible(libPath))) { + throw new Error('Library is not installed'); + } + + const libraryJsonPath = this.getFilePath(libraryMetadata, 'library.json'); + await fs.writeFile(libraryJsonPath, JSON.stringify(libraryMetadata, undefined, 2)); + + const newLibrary = InstalledLibrary.fromMetadata(libraryMetadata); + return newLibrary; + } +} From bc2e26f2f36512a63f533973d9c5c36a0bdbdc55 Mon Sep 17 00:00:00 2001 From: Majed Mak <132336669+MajedAlaitwniCap@users.noreply.github.com> Date: Wed, 7 Jun 2023 13:52:57 +0200 Subject: [PATCH 004/134] h5p editor: added deployment which uses existing template (#4136) Co-authored-by: Andre Blome Co-authored-by: Stephan Krause <101647440+SteKrause@users.noreply.github.com> --- ansible/roles/schulcloud-server-core/tasks/main.yml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/ansible/roles/schulcloud-server-core/tasks/main.yml b/ansible/roles/schulcloud-server-core/tasks/main.yml index f444d31a57c..9eca99b1533 100644 --- a/ansible/roles/schulcloud-server-core/tasks/main.yml +++ b/ansible/roles/schulcloud-server-core/tasks/main.yml @@ -72,6 +72,13 @@ namespace: "{{ NAMESPACE }}" template: api-fwu-deployment.yml.j2 when: FEATURE_FWU_CONTENT_ENABLED is defined and FEATURE_FWU_CONTENT_ENABLED|bool + + - name: H5pEditorDeployment + kubernetes.core.k8s: + kubeconfig: ~/.kube/config + namespace: "{{ NAMESPACE }}" + template: api-h5p-deployment.yml.j2 + when: FEATURE_H5P_EDITOR_ENABLED is defined and FEATURE_H5P_EDITOR_ENABLED|bool - name: Delete Files CronJob kubernetes.core.k8s: From 1ef58915050567492741732b96eb8b6784abdad8 Mon Sep 17 00:00:00 2001 From: Stephan Krause <101647440+SteKrause@users.noreply.github.com> Date: Wed, 7 Jun 2023 14:09:35 +0200 Subject: [PATCH 005/134] Thr 5 h5p implementation endpoints (#4169) * Created H5P microservice * Add kubernetes files for h5p microservice * Added @lumieducation/h5p-server package * Don't use mock auth for testing * add ContentStorage with interface IContentStorage * Fix api tests to use new TestApiClient * WIP: H5P editor: temp file storage * WIP: H5P editor: added data classes * add addContent() * implement addFile(), contentExists(), deleteContent() * implement deleteFile(), fileExists() * add getFileStats(), getFileStream() * add getMetadata(), getParameters(), getUsage() * add getUserPermissions(), listContent() * add listFiles(), sanitizeFilename() * refactor sanitizeFileneame * Implemented library storage * add user check for getMetadata and getParameters * fix existsOrCreateDir * h5p editor: added deployment which uses existing template * fix deleteContent and fileExists * Tests for librray storage * resolve merge conflict leftovers * fix fileExists and contentExists, refactor methods * add unit tests for contentStorage * delete comments in addFile * fix addFile test and change descriptions * fix getUsage * fix getUsage test * delete TODO * full test coverage * Moved files * Implemented library storage * Tests for librray storage * full test coverage * Moved files * add error message to contentExists + tests * add test for empty contentId at fileEsists * remove unused private sanitize method * adjust errorhandling + add tests for error cases * add tests and fix error cases * replace math.random * change regex in checkfilename * delete unused code * change regex in checkfilename * refactor tests and content storage implementation * change any values to unknown * fix create content id * Fix issues from merging main into THR-2 * refactor and fix exist boolean in createContentId * fix test can not createContentId * Stubbed endpoints * Editor and Player service * Added H5P Usecase * h5p editor: temp file storage implementation completed * h5p editor: temp file storage tests added * h5p editor: temp file storage moved * h5p editor: temp storage files moved * File streaming * Post Ajax endpoint * Merge branch 'THR-8-h5p-api-endpoints' of github.com:hpi-schul-cloud/schulcloud-server into THR-5-h5p-implementation-endpoints * Remove @nestjs/serve-static dependency * Editor working more reliably * Disable saving of userstate * Organized code * More organization * Tests for getAjax usecase * add tests for h5p controller * Tests and organization * add import of FilesStorageAMQPModule to h5p-editor module * Switched over to storage implementations * Organized modules * change stringPath of createNewEditor * Testing for files in UC * Testing content parameters in UC * change AjaxPostBodyParams to undefined if empty * change save api endpoint * Fixed file streaming * Fixed h5p uploading * Update temporary-file-storage.ts Create temporary file folder * merge save and create endpoints to one get and post endpoint * create folder if content will be created * adjust paths at api tests * rename usecase to getH5pEditor * Use real user * Allow files in subdirectories * Testing for h5p files * API tests for internal AJAX endpoint * Test range requests for storages * add unit-tests to usecases * add api tests for h5p endpoints * add api test save or create * adjust create or save api test --------- Co-authored-by: Marvin Rode Co-authored-by: Marvin Rode (Cap) <127723478+marode-cap@users.noreply.github.com> Co-authored-by: Andre Blome --- apps/server/src/apps/h5p-editor.app.ts | 10 + .../api-test/h5p-editor-ajax.api.spec.ts | 172 + .../api-test/h5p-editor-delete.api.spec.ts | 100 + .../api-test/h5p-editor-files.api.spec.ts | 298 ++ .../h5p-editor-get-editor.api.spec.ts | 98 + .../h5p-editor-get-player.api.spec.ts | 97 + .../h5p-editor-save-create.api.spec.ts | 143 + .../api-test/h5p-editor.api.spec.ts | 106 - .../controller/dto/ajax/get.params.ts | 23 + 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b/apps/server/src/apps/h5p-editor.app.ts index fcd550c34fa..0b249ecc192 100644 --- a/apps/server/src/apps/h5p-editor.app.ts +++ b/apps/server/src/apps/h5p-editor.app.ts @@ -7,6 +7,8 @@ import express from 'express'; // register source-map-support for debugging import { install as sourceMapInstall } from 'source-map-support'; +import path from 'node:path'; + // application imports import { LegacyLogger } from '@src/core/logger'; import { H5PEditorModule } from '@src/modules/h5p-editor'; @@ -19,6 +21,14 @@ async function bootstrap() { const nestExpress = express(); const nestExpressAdapter = new ExpressAdapter(nestExpress); + + const oneHourInMs = 1000 * 60 * 60; + + nestExpressAdapter.useStaticAssets(path.join(__dirname, '../static-assets/h5p'), { + prefix: '/h5p-editor', + maxAge: oneHourInMs, + }); + const nestApp = await NestFactory.create(H5PEditorModule, nestExpressAdapter); // WinstonLogger nestApp.useLogger(await nestApp.resolve(LegacyLogger)); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-ajax.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-ajax.api.spec.ts new file mode 100644 index 00000000000..ce3d01e05ec --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-ajax.api.spec.ts @@ -0,0 +1,172 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { H5PAjaxEndpoint } from '@lumieducation/h5p-server'; +import { EntityManager } from '@mikro-orm/core'; +import { HttpStatus, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { TestApiClient, UserAndAccountTestFactory } from '@shared/testing'; +import { H5PEditorTestModule } from '@src/modules/h5p-editor/h5p-editor-test.module'; + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let em: EntityManager; + let testApiClient: TestApiClient; + + let ajaxEndpoint: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PAjaxEndpoint) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + await app.init(); + em = app.get(EntityManager); + ajaxEndpoint = app.get(H5PAjaxEndpoint); + testApiClient = new TestApiClient(app, 'h5p-editor'); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('when calling AJAX GET', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.get('ajax'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient, studentUser }; + }; + + it('should call H5PAjaxEndpoint', async () => { + const { + loggedInClient, + studentUser: { id }, + } = await setup(); + + const dummyResponse = { + apiVersion: { major: 1, minor: 1 }, + details: [], + libraries: [], + outdated: false, + recentlyUsed: [], + user: 'DummyUser', + }; + + ajaxEndpoint.getAjax.mockResolvedValueOnce(dummyResponse); + + const response = await loggedInClient.get(`ajax?action=content-type-cache`); + + expect(response.statusCode).toEqual(HttpStatus.OK); + expect(response.body).toEqual(dummyResponse); + expect(ajaxEndpoint.getAjax).toHaveBeenCalledWith( + 'content-type-cache', + undefined, // MachineName + undefined, // MajorVersion + undefined, // MinorVersion + undefined, // Language + expect.objectContaining({ id }) + ); + }); + }); + + describe('when calling AJAX POST', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.post('ajax'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient, studentUser }; + }; + + it('should call H5PAjaxEndpoint', async () => { + const { + loggedInClient, + studentUser: { id }, + } = await setup(); + + const dummyResponse = [ + { + majorVersion: 1, + minorVersion: 2, + metadataSettings: {}, + name: 'Dummy Library', + restricted: false, + runnable: true, + title: 'Dummy Library', + tutorialUrl: '', + uberName: 'dummyLibrary-1.1', + }, + ]; + + const dummyBody = { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' }; + + ajaxEndpoint.postAjax.mockResolvedValueOnce(dummyResponse); + + const response = await loggedInClient.post(`ajax?action=libraries`, dummyBody); + + expect(response.statusCode).toEqual(HttpStatus.CREATED); + expect(response.body).toEqual(dummyResponse); + expect(ajaxEndpoint.postAjax).toHaveBeenCalledWith( + 'libraries', + dummyBody, + undefined, + expect.objectContaining({ id }), + undefined, + undefined, + undefined, + undefined, + undefined + ); + }); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-delete.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-delete.api.spec.ts new file mode 100644 index 00000000000..71da033d89e --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-delete.api.spec.ts @@ -0,0 +1,100 @@ +import { JwtAuthGuard } from '@src/modules/authentication/guard/jwt-auth.guard'; +import request from 'supertest'; +import { EntityManager } from '@mikro-orm/mongodb'; +import { ExecutionContext, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { Permission } from '@shared/domain'; +import { DeepMocked, createMock } from '@golevelup/ts-jest/lib/mocks'; +import { cleanupCollections, mapUserToCurrentUser, roleFactory, schoolFactory, userFactory } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Request } from 'express'; +import { H5PEditorTestModule } from '../../h5p-editor-test.module'; +import { H5PEditorUc } from '../../uc/h5p.uc'; + +class API { + constructor(private app: INestApplication) { + this.app = app; + } + + async deleteH5pContent(contentId: string) { + return request(this.app.getHttpServer()).post(`/h5p-editor/delete/${contentId}`); + } +} + +const setup = () => { + const contentId = '12345'; + const notExistingContentId = '12345'; + const badContentId = ''; + + return { contentId, notExistingContentId, badContentId }; +}; + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let api: API; + let em: EntityManager; + let currentUser: ICurrentUser; + let h5PEditorUc: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideGuard(JwtAuthGuard) + .useValue({ + canActivate(context: ExecutionContext) { + const req: Request = context.switchToHttp().getRequest(); + req.user = currentUser; + return true; + }, + }) + .overrideProvider(H5PEditorUc) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + await app.init(); + h5PEditorUc = module.get(H5PEditorUc); + + api = new API(app); + em = module.get(EntityManager); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('delete h5p content', () => { + beforeEach(async () => { + await cleanupCollections(em); + const school = schoolFactory.build(); + const roles = roleFactory.buildList(1, { + permissions: [Permission.FILESTORAGE_CREATE, Permission.FILESTORAGE_VIEW], + }); + const user = userFactory.build({ school, roles }); + + await em.persistAndFlush([user, school]); + em.clear(); + + currentUser = mapUserToCurrentUser(user); + }); + describe('with valid request params', () => { + it('should return 200 status', async () => { + const { contentId } = setup(); + + h5PEditorUc.deleteH5pContent.mockResolvedValueOnce(true); + const response = await api.deleteH5pContent(contentId); + expect(response.status).toEqual(201); + }); + }); + describe('with bad request params', () => { + it('should return 500 status', async () => { + const { notExistingContentId } = setup(); + + h5PEditorUc.deleteH5pContent.mockRejectedValueOnce(new Error('Could not delete H5P content')); + const response = await api.deleteH5pContent(notExistingContentId); + expect(response.status).toEqual(500); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-files.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-files.api.spec.ts new file mode 100644 index 00000000000..20c2c9ad5e7 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-files.api.spec.ts @@ -0,0 +1,298 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { ContentMetadata } from '@lumieducation/h5p-server/build/src/ContentMetadata'; +import { EntityManager } from '@mikro-orm/core'; +import { HttpStatus, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { TestApiClient, UserAndAccountTestFactory } from '@shared/testing'; +import { H5PEditorTestModule } from '@src/modules/h5p-editor/h5p-editor-test.module'; +import { Readable } from 'stream'; +import { ContentStorage } from '../../contentStorage/contentStorage'; +import { LibraryStorage } from '../../libraryStorage/libraryStorage'; +import { TemporaryFileStorage } from '../../temporary-file-storage/temporary-file-storage'; + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let em: EntityManager; + let testApiClient: TestApiClient; + + let contentStorage: DeepMocked; + let libraryStorage: DeepMocked; + let temporaryStorage: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(ContentStorage) + .useValue(createMock()) + .overrideProvider(LibraryStorage) + .useValue(createMock()) + .overrideProvider(TemporaryFileStorage) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + await app.init(); + em = app.get(EntityManager); + contentStorage = app.get(ContentStorage); + libraryStorage = app.get(LibraryStorage); + temporaryStorage = app.get(TemporaryFileStorage); + testApiClient = new TestApiClient(app, 'h5p-editor'); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('when requesting library files', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.get('libraries/dummyLib/test.txt'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient }; + }; + + it('should return the library file', async () => { + const { loggedInClient } = await setup(); + + const mockFile = { content: 'Test File', size: 9, name: 'test.txt', birthtime: new Date() }; + + libraryStorage.getFileStream.mockResolvedValueOnce(Readable.from(mockFile.content)); + libraryStorage.getFileStats.mockResolvedValueOnce({ birthtime: mockFile.birthtime, size: mockFile.size }); + + const response = await loggedInClient.get(`libraries/dummyLib-1.0/${mockFile.name}`); + + expect(response.statusCode).toEqual(HttpStatus.OK); + expect(response.text).toBe(mockFile.content); + }); + + it('should return 404 if file does not exist', async () => { + const { loggedInClient } = await setup(); + + libraryStorage.getFileStats.mockRejectedValueOnce(new Error('Does not exist')); + + const response = await loggedInClient.get(`libraries/dummyLib-1.0/nonexistant.txt`); + + expect(response.statusCode).toEqual(HttpStatus.NOT_FOUND); + }); + }); + }); + + describe('when requesting content files', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.get('content/dummyId/test.txt'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient }; + }; + + it('should return the content file', async () => { + const { loggedInClient } = await setup(); + + const mockFile = { content: 'Test File', size: 9, name: 'test.txt', birthtime: new Date() }; + + contentStorage.getFileStream.mockResolvedValueOnce(Readable.from(mockFile.content)); + contentStorage.getFileStats.mockResolvedValueOnce({ birthtime: mockFile.birthtime, size: mockFile.size }); + + const response = await loggedInClient.get(`content/dummyId/${mockFile.name}`); + + expect(response.statusCode).toEqual(HttpStatus.OK); + expect(response.text).toBe(mockFile.content); + }); + + it('should work with range requests', async () => { + const { loggedInClient } = await setup(); + + const mockFile = { content: 'Test File', size: 9, name: 'test.txt', birthtime: new Date() }; + + contentStorage.getFileStream.mockResolvedValueOnce(Readable.from(mockFile.content)); + contentStorage.getFileStats.mockResolvedValueOnce({ birthtime: mockFile.birthtime, size: mockFile.size }); + + const response = await loggedInClient.get(`content/dummyId/${mockFile.name}`).set('Range', 'bytes=2-4'); + + expect(response.statusCode).toEqual(HttpStatus.PARTIAL_CONTENT); + expect(response.text).toBe(mockFile.content); + }); + + it('should return 404 if file does not exist', async () => { + const { loggedInClient } = await setup(); + + contentStorage.getFileStats.mockRejectedValueOnce(new Error('Does not exist')); + + const response = await loggedInClient.get(`content/dummyId/nonexistant.txt`); + + expect(response.statusCode).toEqual(HttpStatus.NOT_FOUND); + }); + }); + }); + + describe('when requesting temporary files', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.get('temp-files/test.txt'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient }; + }; + + it('should return the content file', async () => { + const { loggedInClient } = await setup(); + + const mockFile = { content: 'Test File', size: 9, name: 'test.txt', birthtime: new Date() }; + + temporaryStorage.getFileStream.mockResolvedValueOnce(Readable.from(mockFile.content)); + temporaryStorage.getFileStats.mockResolvedValueOnce({ birthtime: mockFile.birthtime, size: mockFile.size }); + + const response = await loggedInClient.get(`temp-files/${mockFile.name}`); + + expect(response.statusCode).toEqual(HttpStatus.OK); + expect(response.text).toBe(mockFile.content); + }); + + it('should work with range requests', async () => { + const { loggedInClient } = await setup(); + + const mockFile = { content: 'Test File', size: 9, name: 'test.txt', birthtime: new Date() }; + + temporaryStorage.getFileStream.mockResolvedValueOnce(Readable.from(mockFile.content)); + temporaryStorage.getFileStats.mockResolvedValueOnce({ birthtime: mockFile.birthtime, size: mockFile.size }); + + const response = await loggedInClient.get(`temp-files/${mockFile.name}`).set('Range', 'bytes=2-4'); + + expect(response.statusCode).toEqual(HttpStatus.PARTIAL_CONTENT); + expect(response.text).toBe(mockFile.content); + }); + + it('should return 404 if file does not exist', async () => { + const { loggedInClient } = await setup(); + + temporaryStorage.getFileStats.mockRejectedValueOnce(new Error('Does not exist')); + + const response = await loggedInClient.get(`temp-files/nonexistant.txt`); + + expect(response.statusCode).toEqual(HttpStatus.NOT_FOUND); + }); + }); + }); + + describe('when requesting content parameters', () => { + describe('when user not exists', () => { + it('should respond with unauthorized exception', async () => { + const response = await testApiClient.get('params/dummyId'); + + expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); + expect(response.body).toEqual({ + type: 'UNAUTHORIZED', + title: 'Unauthorized', + message: 'Unauthorized', + code: 401, + }); + }); + }); + + describe('when user is logged in', () => { + const createStudent = () => UserAndAccountTestFactory.buildStudent(); + + const setup = async () => { + const { studentAccount, studentUser } = createStudent(); + + await em.persistAndFlush([studentAccount, studentUser]); + em.clear(); + + const loggedInClient = await testApiClient.login(studentAccount); + + return { loggedInClient }; + }; + + it('should return the content parameters', async () => { + const { loggedInClient } = await setup(); + + const dummyMetadata = new ContentMetadata(); + const dummyParams = { name: 'Dummy' }; + + contentStorage.getMetadata.mockResolvedValueOnce(dummyMetadata); + contentStorage.getParameters.mockResolvedValueOnce(dummyParams); + + const response = await loggedInClient.get(`params/dummyId`); + + expect(response.statusCode).toEqual(HttpStatus.OK); + expect(response.body).toEqual({ + h5p: dummyMetadata, + params: { metadata: dummyMetadata, params: dummyParams }, + }); + }); + + it('should return 404 if content does not exist', async () => { + const { loggedInClient } = await setup(); + + contentStorage.getMetadata.mockRejectedValueOnce(new Error('Does not exist')); + + const response = await loggedInClient.get('params/dummyId'); + + expect(response.statusCode).toEqual(HttpStatus.NOT_FOUND); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-editor.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-editor.api.spec.ts new file mode 100644 index 00000000000..2d52db9c16d --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-editor.api.spec.ts @@ -0,0 +1,98 @@ +import { JwtAuthGuard } from '@src/modules/authentication/guard/jwt-auth.guard'; +import request from 'supertest'; +import { EntityManager } from '@mikro-orm/mongodb'; +import { ExecutionContext, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { Permission } from '@shared/domain'; +import { cleanupCollections, mapUserToCurrentUser, roleFactory, schoolFactory, userFactory } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Request } from 'express'; +import { DeepMocked, createMock } from '@golevelup/ts-jest/lib/mocks'; +import { H5PEditorTestModule } from '../../h5p-editor-test.module'; +import { H5PEditorUc } from '../../uc/h5p.uc'; + +class API { + constructor(private app: INestApplication) { + this.app = app; + } + + async editH5pContent(contentId: string) { + return request(this.app.getHttpServer()).get(`/h5p-editor/${contentId}`); + } +} + +const setup = () => { + const contentId = '12345'; + const notExistingContentId = '12345'; + const badContentId = ''; + + return { contentId, notExistingContentId, badContentId }; +}; + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let api: API; + let em: EntityManager; + let currentUser: ICurrentUser; + let h5PEditorUc: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideGuard(JwtAuthGuard) + .useValue({ + canActivate(context: ExecutionContext) { + const req: Request = context.switchToHttp().getRequest(); + req.user = currentUser; + return true; + }, + }) + .overrideProvider(H5PEditorUc) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + await app.init(); + h5PEditorUc = module.get(H5PEditorUc); + + api = new API(app); + em = module.get(EntityManager); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('get h5p editor', () => { + beforeEach(async () => { + await cleanupCollections(em); + const school = schoolFactory.build(); + const roles = roleFactory.buildList(1, { + permissions: [Permission.FILESTORAGE_CREATE, Permission.FILESTORAGE_VIEW], + }); + const user = userFactory.build({ school, roles }); + + await em.persistAndFlush([user, school]); + em.clear(); + + currentUser = mapUserToCurrentUser(user); + }); + describe('with valid request params', () => { + it('should return 200 status', async () => { + const { contentId } = setup(); + h5PEditorUc.getH5pEditor.mockResolvedValueOnce('iFrame'); + const response = await api.editH5pContent(contentId); + expect(response.status).toEqual(200); + }); + }); + describe('with bad request params', () => { + it('should return 500 status', async () => { + const { notExistingContentId } = setup(); + h5PEditorUc.getH5pEditor.mockRejectedValueOnce(new Error('Could not get H5P editor')); + const response = await api.editH5pContent(notExistingContentId); + expect(response.status).toEqual(500); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-player.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-player.api.spec.ts new file mode 100644 index 00000000000..0cfb7dd3070 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-get-player.api.spec.ts @@ -0,0 +1,97 @@ +import { JwtAuthGuard } from '@src/modules/authentication/guard/jwt-auth.guard'; +import request from 'supertest'; +import { EntityManager } from '@mikro-orm/mongodb'; +import { ExecutionContext, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { Permission } from '@shared/domain'; +import { cleanupCollections, mapUserToCurrentUser, roleFactory, schoolFactory, userFactory } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Request } from 'express'; +import { DeepMocked, createMock } from '@golevelup/ts-jest/lib/mocks'; +import { H5PEditorTestModule } from '../../h5p-editor-test.module'; +import { H5PEditorUc } from '../../uc/h5p.uc'; + +class API { + constructor(private app: INestApplication) { + this.app = app; + } + + async getPlayer(contentId: string) { + return request(this.app.getHttpServer()).get(`/h5p-editor/play/${contentId}`); + } +} + +const setup = () => { + const contentId = '12345'; + const notExistingContentId = '12345'; + + return { contentId, notExistingContentId }; +}; + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let api: API; + let em: EntityManager; + let currentUser: ICurrentUser; + let h5PEditorUc: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideGuard(JwtAuthGuard) + .useValue({ + canActivate(context: ExecutionContext) { + const req: Request = context.switchToHttp().getRequest(); + req.user = currentUser; + return true; + }, + }) + .overrideProvider(H5PEditorUc) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + h5PEditorUc = module.get(H5PEditorUc); + await app.init(); + + api = new API(app); + em = module.get(EntityManager); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('get h5p player', () => { + beforeEach(async () => { + await cleanupCollections(em); + const school = schoolFactory.build(); + const roles = roleFactory.buildList(1, { + permissions: [Permission.FILESTORAGE_CREATE, Permission.FILESTORAGE_VIEW], + }); + const user = userFactory.build({ school, roles }); + + await em.persistAndFlush([user, school]); + em.clear(); + + currentUser = mapUserToCurrentUser(user); + }); + describe('with valid request params', () => { + it('should return 200 status', async () => { + const { contentId } = setup(); + h5PEditorUc.getH5pPlayer.mockResolvedValueOnce('iFrame'); + const response = await api.getPlayer(contentId); + expect(response.status).toEqual(200); + }); + }); + describe('with bad request params', () => { + it('should return 500 status', async () => { + const { notExistingContentId } = setup(); + h5PEditorUc.getH5pPlayer.mockRejectedValueOnce(new Error('Could not get H5P player')); + const response = await api.getPlayer(notExistingContentId); + expect(response.status).toEqual(500); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-save-create.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-save-create.api.spec.ts new file mode 100644 index 00000000000..90804c343c6 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor-save-create.api.spec.ts @@ -0,0 +1,143 @@ +import { JwtAuthGuard } from '@src/modules/authentication/guard/jwt-auth.guard'; +import request from 'supertest'; +import { EntityManager } from '@mikro-orm/mongodb'; +import { ExecutionContext, INestApplication } from '@nestjs/common'; +import { Test } from '@nestjs/testing'; +import { Permission } from '@shared/domain'; +import { cleanupCollections, mapUserToCurrentUser, roleFactory, schoolFactory, userFactory } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Request } from 'express'; +import { IContentMetadata } from '@lumieducation/h5p-server'; +import { DeepMocked, createMock } from '@golevelup/ts-jest/lib/mocks'; +import { H5PEditorTestModule } from '../../h5p-editor-test.module'; +import { H5PEditorUc } from '../../uc/h5p.uc'; + +const setup = () => { + const contentId = '12345'; + const createContentId = 'create'; + const notExistingContentId = '12345'; + const badContentId = ''; + const id = '0000000'; + const metadata: IContentMetadata = { + embedTypes: [], + language: 'de', + mainLibrary: 'mainLib', + preloadedDependencies: [], + defaultLanguage: '', + license: '', + title: '123', + }; + + return { contentId, notExistingContentId, badContentId, createContentId, id, metadata }; +}; + +class API { + constructor(private app: INestApplication) { + this.app = app; + } + + async createOrSave(contentId: string) { + const body = { + params: { + params: {}, + metadata: {}, + }, + metadata: {}, + library: {}, + }; + return request(this.app.getHttpServer()).post(`/h5p-editor/${contentId}`).send(body); + } +} + +describe('H5PEditor Controller (api)', () => { + let app: INestApplication; + let api: API; + let em: EntityManager; + let currentUser: ICurrentUser; + let h5PEditorUc: DeepMocked; + + beforeAll(async () => { + const module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideGuard(JwtAuthGuard) + .useValue({ + canActivate(context: ExecutionContext) { + const req: Request = context.switchToHttp().getRequest(); + req.user = currentUser; + return true; + }, + }) + .overrideProvider(H5PEditorUc) + .useValue(createMock()) + .compile(); + + app = module.createNestApplication(); + await app.init(); + h5PEditorUc = module.get(H5PEditorUc); + + api = new API(app); + em = module.get(EntityManager); + }); + + afterAll(async () => { + await app.close(); + }); + + describe('create h5p content', () => { + beforeEach(async () => { + await cleanupCollections(em); + const school = schoolFactory.build(); + const roles = roleFactory.buildList(1, { + permissions: [Permission.FILESTORAGE_CREATE, Permission.FILESTORAGE_VIEW], + }); + const user = userFactory.build({ school, roles }); + + await em.persistAndFlush([user, school]); + em.clear(); + + currentUser = mapUserToCurrentUser(user); + }); + describe('with valid request params', () => { + it('should return 201 status', async () => { + const { createContentId, id, metadata } = setup(); + const result1 = { id, metadata }; + h5PEditorUc.saveH5pContentGetMetadata.mockResolvedValueOnce(result1); + const response = await api.createOrSave(createContentId); + expect(response.status).toEqual(201); + }); + }); + }); + describe('save h5p content', () => { + beforeEach(async () => { + await cleanupCollections(em); + const school = schoolFactory.build(); + const roles = roleFactory.buildList(1, { + permissions: [Permission.FILESTORAGE_CREATE, Permission.FILESTORAGE_VIEW], + }); + const user = userFactory.build({ school, roles }); + + await em.persistAndFlush([user, school]); + em.clear(); + + currentUser = mapUserToCurrentUser(user); + }); + describe('with valid request params', () => { + it('should return 201 status', async () => { + const { contentId, id, metadata } = setup(); + const result1 = { id, metadata }; + h5PEditorUc.saveH5pContentGetMetadata.mockResolvedValueOnce(result1); + const response = await api.createOrSave(contentId); + expect(response.status).toEqual(201); + }); + }); + describe('with bad request params', () => { + it('should return 500 status', async () => { + const { notExistingContentId } = setup(); + h5PEditorUc.saveH5pContentGetMetadata.mockRejectedValueOnce(new Error('Could not save H5P content')); + const response = await api.createOrSave(notExistingContentId); + expect(response.status).toEqual(500); + }); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor.api.spec.ts b/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor.api.spec.ts deleted file mode 100644 index f2e40310645..00000000000 --- a/apps/server/src/modules/h5p-editor/controller/api-test/h5p-editor.api.spec.ts +++ /dev/null @@ -1,106 +0,0 @@ -import { EntityManager } from '@mikro-orm/core'; -import { HttpStatus, INestApplication } from '@nestjs/common'; -import { Test } from '@nestjs/testing'; -import { TestApiClient, UserAndAccountTestFactory } from '@shared/testing'; -import { H5PEditorTestModule } from '@src/modules/h5p-editor/h5p-editor-test.module'; - -describe('H5PEditor Controller (api)', () => { - let app: INestApplication; - let em: EntityManager; - let testApiClient: TestApiClient; - - beforeAll(async () => { - const module = await Test.createTestingModule({ - imports: [H5PEditorTestModule], - }).compile(); - - app = module.createNestApplication(); - await app.init(); - em = app.get(EntityManager); - testApiClient = new TestApiClient(app, 'h5p-editor'); - }); - - afterAll(async () => { - await app.close(); - }); - - describe('get player', () => { - describe('when user not exists', () => { - it('should respond with unauthorized exception', async () => { - const response = await testApiClient.get('dummyID/play'); - - expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); - expect(response.body).toEqual({ - type: 'UNAUTHORIZED', - title: 'Unauthorized', - message: 'Unauthorized', - code: 401, - }); - }); - }); - - describe('when user is allowed to view player', () => { - const createStudent = () => UserAndAccountTestFactory.buildStudent(); - - const setup = async () => { - const { studentAccount, studentUser } = createStudent(); - - await em.persistAndFlush([studentAccount, studentUser]); - em.clear(); - - const loggedInClient = await testApiClient.login(studentAccount); - - return { loggedInClient }; - }; - - it('should return the player', async () => { - const { loggedInClient } = await setup(); - - const response = await loggedInClient.get('dummyID/play'); - - expect(response.statusCode).toEqual(HttpStatus.OK); - expect(response.text).toContain('

H5P Player Dummy

'); - }); - }); - }); - - describe('get editor', () => { - describe('when user not exists', () => { - it('should respond with unauthorized exception', async () => { - const response = await testApiClient.get('dummyID/edit'); - - expect(response.statusCode).toEqual(HttpStatus.UNAUTHORIZED); - expect(response.body).toEqual({ - type: 'UNAUTHORIZED', - title: 'Unauthorized', - message: 'Unauthorized', - code: 401, - }); - }); - }); - - describe('when user is allowed to view editor', () => { - const createStudent = () => UserAndAccountTestFactory.buildStudent(); - - const setup = async () => { - const { studentAccount, studentUser } = createStudent(); - - await em.persistAndFlush([studentAccount, studentUser]); - em.clear(); - - const loggedInClient = await testApiClient.login(studentAccount); - - return { loggedInClient }; - }; - - it('should return the editor', async () => { - const { loggedInClient } = await setup(); - - const response = await loggedInClient.get('dummyID/edit'); - - expect(response.statusCode).toEqual(HttpStatus.OK); - expect(response.text).toContain('

H5P Editor Dummy

'); - }); - }); - }); -}); diff --git a/apps/server/src/modules/h5p-editor/controller/dto/ajax/get.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/ajax/get.params.ts new file mode 100644 index 00000000000..50695c28b75 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/ajax/get.params.ts @@ -0,0 +1,23 @@ +import { IsNotEmpty, IsOptional, IsString } from 'class-validator'; + +export class AjaxGetQueryParams { + @IsString() + @IsNotEmpty() + action!: string; + + @IsString() + @IsOptional() + machineName?: string; + + @IsString() + @IsOptional() + majorVersion?: string; + + @IsString() + @IsOptional() + minorVersion?: string; + + @IsString() + @IsOptional() + language?: string; +} diff --git a/apps/server/src/modules/h5p-editor/controller/dto/ajax/index.ts b/apps/server/src/modules/h5p-editor/controller/dto/ajax/index.ts new file mode 100644 index 00000000000..3410511d0cc --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/ajax/index.ts @@ -0,0 +1,3 @@ +export * from './get.params'; +export * from './post.body.params'; +export * from './post.params'; diff --git a/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.body.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.body.params.ts new file mode 100644 index 00000000000..73be80cbf45 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.body.params.ts @@ -0,0 +1,72 @@ +import { BadRequestException, Injectable, PipeTransform, ValidationPipe } from '@nestjs/common'; +import { AnyFilesInterceptor } from '@nestjs/platform-express'; +import { ApiProperty } from '@nestjs/swagger'; +import { plainToClass } from 'class-transformer'; +import { IsArray, IsOptional, IsString, validate } from 'class-validator'; + +class LibrariesBodyParams { + @ApiProperty() + @IsArray() + @IsString({ each: true }) + libraries!: string[]; +} + +class ContentBodyParams { + @ApiProperty() + @IsString() + contentId!: string; + + @ApiProperty() + @IsString() + @IsOptional() + field!: string; // Todo: Reason +} + +class LibraryParametersBodyParams { + @ApiProperty() + @IsString() + libraryParameters!: string; +} + +export type AjaxPostBodyParams = LibrariesBodyParams | ContentBodyParams | LibraryParametersBodyParams | undefined; + +@Injectable() +export class AjaxPostBodyParamsTransformPipe implements PipeTransform { + async transform(value: AjaxPostBodyParams) { + if (value) { + let transformed: Exclude; + + if ('libraries' in value) { + transformed = plainToClass(LibrariesBodyParams, value); + } else if ('contentId' in value) { + transformed = plainToClass(ContentBodyParams, value); + } else if ('libraryParameters' in value) { + transformed = plainToClass(LibraryParametersBodyParams, value); + } else { + return undefined; // Todo Check this + } + + const validationResult = await validate(transformed); + if (validationResult.length > 0) { + const validationPipe = new ValidationPipe(); + const exceptionFactory = validationPipe.createExceptionFactory(); + throw exceptionFactory(validationResult); + } + + return transformed; + } + + return undefined; + } +} + +export const AjaxPostBodyParamsFilesInterceptor = AnyFilesInterceptor({ + limits: { files: 2 }, + fileFilter(_req, file, callback) { + if (file.fieldname === 'file' || file.fieldname === 'h5p') { + callback(null, true); + } else { + callback(new BadRequestException('File not allowed'), false); + } + }, +}); diff --git a/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.params.ts new file mode 100644 index 00000000000..b84dc984504 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/ajax/post.params.ts @@ -0,0 +1,27 @@ +import { IsNotEmpty, IsOptional, IsString } from 'class-validator'; + +export class AjaxPostQueryParams { + @IsString() + @IsNotEmpty() + action!: string; + + @IsString() + @IsOptional() + machineName?: string; + + @IsString() + @IsOptional() + majorVersion?: string; + + @IsString() + @IsOptional() + minorVersion?: string; + + @IsString() + @IsOptional() + language?: string; + + @IsString() + @IsOptional() + id?: string; +} diff --git a/apps/server/src/modules/h5p-editor/controller/dto/content-file.url.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/content-file.url.params.ts new file mode 100644 index 00000000000..f785ca9e77e --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/content-file.url.params.ts @@ -0,0 +1,14 @@ +import { ApiProperty } from '@nestjs/swagger'; +import { IsNotEmpty, IsString } from 'class-validator'; + +export class ContentFileUrlParams { + @ApiProperty() + @IsString() + @IsNotEmpty() + id!: string; + + @ApiProperty() + @IsString() + @IsNotEmpty() + file!: string; +} diff --git a/apps/server/src/modules/h5p-editor/controller/dto/h5p-editor.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/h5p-editor.params.ts new file mode 100644 index 00000000000..c049f563b81 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/h5p-editor.params.ts @@ -0,0 +1,59 @@ +import { IContentMetadata } from '@lumieducation/h5p-server'; +import { ApiProperty } from '@nestjs/swagger'; +import { IsNotEmpty, IsObject, IsOptional, IsString, Matches } from 'class-validator'; + +export class GetH5PContentParams { + @ApiProperty() + @Matches('([a-z]+-[a-z]+)') + @IsString() + @IsOptional() + language?: string; + + @ApiProperty() + @Matches('([A-Z0-9a-z]+)') + @IsString() + @IsNotEmpty() + contentId!: string; +} + +export class PostH5PContentParams { + @ApiProperty() + @Matches('([A-Z0-9a-z]+)') + @IsString() + @IsNotEmpty() + contentId!: string; + + @ApiProperty() + @IsNotEmpty() + params!: unknown; + + @ApiProperty() + @IsNotEmpty() + metadata!: IContentMetadata; + + @ApiProperty() + @IsString() + @IsNotEmpty() + mainLibraryUbername!: string; +} + +export class PostH5PContentCreateParams { + @ApiProperty() + @IsNotEmpty() + @IsObject() + params!: { + // Todo + params: unknown; + metadata: IContentMetadata; + }; + + @ApiProperty() + @IsObject() + @IsOptional() + metadata!: IContentMetadata; + + @ApiProperty() + @IsString() + @IsNotEmpty() + library!: string; +} diff --git a/apps/server/src/modules/h5p-editor/controller/dto/index.ts b/apps/server/src/modules/h5p-editor/controller/dto/index.ts new file mode 100644 index 00000000000..8b5d966f881 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/index.ts @@ -0,0 +1,4 @@ +export * from './ajax'; +export * from './content-file.url.params'; +export * from './h5p-editor.params'; +export * from './library-file.url.params'; diff --git a/apps/server/src/modules/h5p-editor/controller/dto/library-file.url.params.ts b/apps/server/src/modules/h5p-editor/controller/dto/library-file.url.params.ts new file mode 100644 index 00000000000..40d036b6e1f --- /dev/null +++ b/apps/server/src/modules/h5p-editor/controller/dto/library-file.url.params.ts @@ -0,0 +1,14 @@ +import { ApiProperty } from '@nestjs/swagger'; +import { IsNotEmpty, IsString } from 'class-validator'; + +export class LibraryFileUrlParams { + @ApiProperty() + @IsString() + @IsNotEmpty() + ubername!: string; + + @ApiProperty() + @IsString() + @IsNotEmpty() + file!: string; +} diff --git a/apps/server/src/modules/h5p-editor/controller/h5p-editor.controller.ts b/apps/server/src/modules/h5p-editor/controller/h5p-editor.controller.ts index 9f2a15c1a1d..e17e00dd74e 100644 --- a/apps/server/src/modules/h5p-editor/controller/h5p-editor.controller.ts +++ b/apps/server/src/modules/h5p-editor/controller/h5p-editor.controller.ts @@ -1,7 +1,39 @@ -import { BadRequestException, Controller, ForbiddenException, Get, InternalServerErrorException } from '@nestjs/common'; +import { + BadRequestException, + Body, + Controller, + ForbiddenException, + Get, + HttpStatus, + InternalServerErrorException, + Param, + Post, + Query, + Req, + Res, + StreamableFile, + UploadedFiles, + UseInterceptors, +} from '@nestjs/common'; import { ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger'; import { ApiValidationError } from '@shared/common'; -import { Authenticate } from '@src/modules/authentication/decorator/auth.decorator'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Authenticate, CurrentUser } from '@src/modules/authentication/decorator/auth.decorator'; +import { Request, Response } from 'express'; + +import { H5PEditorUc } from '../uc/h5p.uc'; + +import { + AjaxGetQueryParams, + AjaxPostBodyParams, + AjaxPostBodyParamsFilesInterceptor, + AjaxPostBodyParamsTransformPipe, + AjaxPostQueryParams, + ContentFileUrlParams, + GetH5PContentParams, + LibraryFileUrlParams, + PostH5PContentCreateParams, +} from './dto'; // Dummy html response so we can test i-frame integration const dummyResponse = (title: string) => ` @@ -24,15 +56,18 @@ const dummyResponse = (title: string) => ` @Authenticate('jwt') @Controller('h5p-editor') export class H5PEditorController { + constructor(private h5pEditorUc: H5PEditorUc) {} + @ApiOperation({ summary: 'Return dummy HTML for testing' }) @ApiResponse({ status: 400, type: ApiValidationError }) @ApiResponse({ status: 400, type: BadRequestException }) @ApiResponse({ status: 403, type: ForbiddenException }) @ApiResponse({ status: 500, type: InternalServerErrorException }) - @Get('/:contentId/play') - async getPlayer() { + @Get('/play/:contentId') + async getPlayer(@CurrentUser() currentUser: ICurrentUser, @Param() params: GetH5PContentParams) { + return this.h5pEditorUc.getH5pPlayer(currentUser, params.contentId); // Dummy Response - return Promise.resolve(dummyResponse('H5P Player Dummy')); + // return Promise.resolve(dummyResponse('H5P Player Dummy')); } @ApiOperation({ summary: 'Return dummy HTML for testing' }) @@ -53,4 +88,141 @@ export class H5PEditorController { // - ajax endpoint for h5p (e.g. GET/POST `/ajax/*`) // - static files from h5p-core (e.g. GET `/core/*`) // - static files for editor (e.g. GET `/editor/*`) + + @Get('libraries/:ubername/:file(*)') + async getLibraryFile(@Param() params: LibraryFileUrlParams, @Req() req: Request) { + const { data, contentType, contentLength } = await this.h5pEditorUc.getLibraryFile(params.ubername, params.file); + + req.on('close', () => data.destroy()); + + return new StreamableFile(data, { type: contentType, length: contentLength }); + } + + @Get('params/:id') + async getContentParameters(@Param('id') id: string, @CurrentUser() currentUser: ICurrentUser) { + const content = await this.h5pEditorUc.getContentParameters(id, currentUser); + + return content; + } + + @Get('content/:id/:file(*)') + async getContentFile( + @Param() params: ContentFileUrlParams, + @Req() req: Request, + @Res({ passthrough: true }) res: Response, + @CurrentUser() currentUser: ICurrentUser + ) { + const { data, contentType, contentLength, contentRange } = await this.h5pEditorUc.getContentFile( + params.id, + params.file, + req, + currentUser + ); + + if (contentRange) { + const contentRangeHeader = `bytes ${contentRange.start}-${contentRange.end}/${contentLength}`; + + res.set({ + 'Accept-Ranges': 'bytes', + 'Content-Range': contentRangeHeader, + }); + + res.status(HttpStatus.PARTIAL_CONTENT); + } else { + res.status(HttpStatus.OK); + } + + req.on('close', () => data.destroy()); + + return new StreamableFile(data, { type: contentType, length: contentLength }); + } + + @Get('temp-files/:file(*)') + async getTemporaryFile( + @CurrentUser() currentUser: ICurrentUser, + @Param('file') file: string, + @Req() req: Request, + @Res({ passthrough: true }) res: Response + ) { + const { data, contentType, contentLength, contentRange } = await this.h5pEditorUc.getTemporaryFile( + file, + req, + currentUser + ); + + if (contentRange) { + const contentRangeHeader = `bytes ${contentRange.start}-${contentRange.end}/${contentLength}`; + + res.set({ + 'Accept-Ranges': 'bytes', + 'Content-Range': contentRangeHeader, + }); + + res.status(HttpStatus.PARTIAL_CONTENT); + } else { + res.status(HttpStatus.OK); + } + + req.on('close', () => data.destroy()); + + return new StreamableFile(data, { type: contentType, length: contentLength }); + } + + @Get('ajax') + async getAjax(@Query() query: AjaxGetQueryParams, @CurrentUser() currentUser: ICurrentUser) { + const response = this.h5pEditorUc.getAjax(query, currentUser); + return response; + } + + @Post('ajax') + @UseInterceptors(AjaxPostBodyParamsFilesInterceptor) + async postAjax( + @Body(AjaxPostBodyParamsTransformPipe) body: AjaxPostBodyParams, + @Query() query: AjaxPostQueryParams, + @UploadedFiles() files: Express.Multer.File[], + @CurrentUser() currentUser: ICurrentUser + ) { + const result = await this.h5pEditorUc.postAjax(currentUser, query, body, files); + return result; + } + + @Post('/delete/:contentId') + async deleteH5pContent( + @Param() params: GetH5PContentParams, + @CurrentUser() currentUser: ICurrentUser + ): Promise { + const deleteSuccessfull = this.h5pEditorUc.deleteH5pContent(currentUser, params.contentId); + + return deleteSuccessfull; + } + + @Get('/:contentId') + async getH5PEditor(@Param() params: GetH5PContentParams, @CurrentUser() currentUser: ICurrentUser): Promise { + // TODO: Get user language + if (params.contentId === 'create') { + params.contentId = undefined as unknown as string; + } + const response = this.h5pEditorUc.getH5pEditor(currentUser, params.contentId, 'de'); + return response; + } + + @Post('/:contentId') + async createOrSaveH5pContent( + @Body() body: PostH5PContentCreateParams, + @Param() params: GetH5PContentParams, + @CurrentUser() currentUser: ICurrentUser + ) { + if (params.contentId === 'create') { + params.contentId = undefined as unknown as string; + } + const response = await this.h5pEditorUc.saveH5pContentGetMetadata( + params.contentId, + currentUser, + body.params.params, + body.params.metadata, + body.library + ); + + return response; + } } diff --git a/apps/server/src/modules/h5p-editor/h5p-editor-test.module.ts b/apps/server/src/modules/h5p-editor/h5p-editor-test.module.ts index bdd421258be..0f9607c95c3 100644 --- a/apps/server/src/modules/h5p-editor/h5p-editor-test.module.ts +++ b/apps/server/src/modules/h5p-editor/h5p-editor-test.module.ts @@ -1,3 +1,6 @@ +import os from 'node:os'; +import path from 'node:path'; + import { DynamicModule, Module } from '@nestjs/common'; import { Account, Role, School, SchoolYear, User } from '@shared/domain'; import { MongoMemoryDatabaseModule } from '@shared/infra/database'; @@ -5,10 +8,23 @@ import { MongoDatabaseModuleOptions } from '@shared/infra/database/mongo-memory- import { RabbitMQWrapperTestModule } from '@shared/infra/rabbitmq'; import { CoreModule } from '@src/core'; import { LoggerModule } from '@src/core/logger'; +import { AuthenticationApiModule } from '@src/modules/authentication/authentication-api.module'; import { AuthenticationModule } from '@src/modules/authentication/authentication.module'; import { AuthorizationModule } from '@src/modules/authorization'; -import { AuthenticationApiModule } from '../authentication/authentication-api.module'; + +import { ContentStorage } from './contentStorage/contentStorage'; +import { H5PEditorController } from './controller'; import { H5PEditorModule } from './h5p-editor.module'; +import { LibraryStorage } from './libraryStorage/libraryStorage'; +import { H5PAjaxEndpointService, H5PEditorService, H5PPlayerService } from './service'; +import { TemporaryFileStorage } from './temporary-file-storage/temporary-file-storage'; +import { H5PEditorUc } from './uc/h5p.uc'; + +const storages = [ + { provide: ContentStorage, useValue: new ContentStorage(path.join(os.tmpdir(), '/h5p_content')) }, + { provide: LibraryStorage, useValue: new LibraryStorage(path.join(os.tmpdir(), '/h5p_libraries')) }, + { provide: TemporaryFileStorage, useValue: new TemporaryFileStorage(path.join(os.tmpdir(), '/h5p_temporary')) }, +]; const imports = [ H5PEditorModule, @@ -20,8 +36,9 @@ const imports = [ LoggerModule, RabbitMQWrapperTestModule, ]; -const controllers = []; -const providers = []; +const controllers = [H5PEditorController]; +const providers = [H5PEditorUc, H5PPlayerService, H5PEditorService, H5PAjaxEndpointService, ...storages]; + @Module({ imports, controllers, diff --git a/apps/server/src/modules/h5p-editor/h5p-editor.module.ts b/apps/server/src/modules/h5p-editor/h5p-editor.module.ts index 638723787e5..6427af36e19 100644 --- a/apps/server/src/modules/h5p-editor/h5p-editor.module.ts +++ b/apps/server/src/modules/h5p-editor/h5p-editor.module.ts @@ -1,15 +1,28 @@ +import os from 'node:os'; +import path from 'node:path'; + import { Dictionary, IPrimaryKey } from '@mikro-orm/core'; import { MikroOrmModule, MikroOrmModuleSyncOptions } from '@mikro-orm/nestjs'; import { Module, NotFoundException } from '@nestjs/common'; import { ConfigModule } from '@nestjs/config'; import { Account, Role, School, SchoolYear, System, User } from '@shared/domain'; +import { RabbitMQWrapperModule } from '@shared/infra/rabbitmq'; import { DB_PASSWORD, DB_URL, DB_USERNAME, createConfigModuleOptions } from '@src/config'; import { CoreModule } from '@src/core'; import { Logger } from '@src/core/logger'; +import { AuthenticationModule } from '@src/modules/authentication/authentication.module'; import { AuthorizationModule } from '@src/modules/authorization'; -import { AuthenticationModule } from '../authentication/authentication.module'; + import { H5PEditorController } from './controller/h5p-editor.controller'; import { config } from './h5p-editor.config'; +import { H5PAjaxEndpointService } from './service'; +import { H5PEditorService } from './service/h5p-editor.service'; +import { H5PPlayerService } from './service/h5p-player.service'; +import { H5PEditorUc } from './uc/h5p.uc'; + +import { ContentStorage } from './contentStorage/contentStorage'; +import { LibraryStorage } from './libraryStorage/libraryStorage'; +import { TemporaryFileStorage } from './temporary-file-storage/temporary-file-storage'; const defaultMikroOrmOptions: MikroOrmModuleSyncOptions = { findOneOrFailHandler: (entityName: string, where: Dictionary | IPrimaryKey) => @@ -17,10 +30,17 @@ const defaultMikroOrmOptions: MikroOrmModuleSyncOptions = { new NotFoundException(`The requested ${entityName}: ${where} has not been found.`), }; +const storages = [ + { provide: ContentStorage, useValue: new ContentStorage(path.join(os.tmpdir(), '/h5p_content')) }, + { provide: LibraryStorage, useValue: new LibraryStorage(path.join(os.tmpdir(), '/h5p_libraries')) }, + { provide: TemporaryFileStorage, useValue: new TemporaryFileStorage(path.join(os.tmpdir(), '/h5p_temporary')) }, +]; + const imports = [ AuthenticationModule, AuthorizationModule, CoreModule, + RabbitMQWrapperModule, MikroOrmModule.forRoot({ ...defaultMikroOrmOptions, type: 'mongo', @@ -37,7 +57,7 @@ const imports = [ const controllers = [H5PEditorController]; -const providers = [Logger]; +const providers = [Logger, H5PEditorUc, H5PEditorService, H5PPlayerService, H5PAjaxEndpointService, ...storages]; @Module({ imports, diff --git a/apps/server/src/modules/h5p-editor/service/h5p-ajax-endpoint.service.ts b/apps/server/src/modules/h5p-editor/service/h5p-ajax-endpoint.service.ts new file mode 100644 index 00000000000..07dd9f83222 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/service/h5p-ajax-endpoint.service.ts @@ -0,0 +1,11 @@ +import { H5PAjaxEndpoint, H5PEditor } from '@lumieducation/h5p-server'; + +export const H5PAjaxEndpointService = { + provide: H5PAjaxEndpoint, + inject: [H5PEditor], + useFactory: (h5pEditor: H5PEditor) => { + const h5pAjaxEndpoint = new H5PAjaxEndpoint(h5pEditor); + + return h5pAjaxEndpoint; + }, +}; diff --git a/apps/server/src/modules/h5p-editor/service/h5p-editor.service.ts b/apps/server/src/modules/h5p-editor/service/h5p-editor.service.ts new file mode 100644 index 00000000000..e5b29475deb --- /dev/null +++ b/apps/server/src/modules/h5p-editor/service/h5p-editor.service.ts @@ -0,0 +1,33 @@ +import { H5PConfig, H5PEditor, UrlGenerator, cacheImplementations } from '@lumieducation/h5p-server'; + +import { ContentStorage } from '../contentStorage/contentStorage'; +import { LibraryStorage } from '../libraryStorage/libraryStorage'; +import { TemporaryFileStorage } from '../temporary-file-storage/temporary-file-storage'; + +export const H5PEditorService = { + provide: H5PEditor, + inject: [ContentStorage, LibraryStorage, TemporaryFileStorage], + useFactory(contentStorage: ContentStorage, libraryStorage: LibraryStorage, temporaryStorage: TemporaryFileStorage) { + const cache = new cacheImplementations.CachedKeyValueStorage('kvcache'); + + const config: H5PConfig = new H5PConfig(undefined, { + baseUrl: '/api/v3/h5p-editor', + contentUserStateSaveInterval: false, + }); + + const urlGenerator = new UrlGenerator(config); + + const h5pEditor = new H5PEditor( + cache, + config, + libraryStorage, + contentStorage, + temporaryStorage, + undefined, + urlGenerator, + undefined + ); + + return h5pEditor; + }, +}; diff --git a/apps/server/src/modules/h5p-editor/service/h5p-player.service.ts b/apps/server/src/modules/h5p-editor/service/h5p-player.service.ts new file mode 100644 index 00000000000..4be3af5848b --- /dev/null +++ b/apps/server/src/modules/h5p-editor/service/h5p-player.service.ts @@ -0,0 +1,30 @@ +import { H5PConfig, H5PPlayer, UrlGenerator } from '@lumieducation/h5p-server'; + +import { ContentStorage } from '../contentStorage/contentStorage'; +import { LibraryStorage } from '../libraryStorage/libraryStorage'; + +export const H5PPlayerService = { + provide: H5PPlayer, + inject: [ContentStorage, LibraryStorage], + useFactory: (contentStorage: ContentStorage, libraryStorage: LibraryStorage) => { + const config: H5PConfig = new H5PConfig(undefined, { + baseUrl: '/api/v3/h5p-editor', + contentUserStateSaveInterval: false, + }); + + const urlGenerator = new UrlGenerator(config); + + const h5pPlayer = new H5PPlayer( + libraryStorage, + contentStorage, + config, + undefined, + urlGenerator, + undefined, + undefined, + undefined + ); + + return h5pPlayer; + }, +}; diff --git a/apps/server/src/modules/h5p-editor/service/index.ts b/apps/server/src/modules/h5p-editor/service/index.ts new file mode 100644 index 00000000000..3db25c02872 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/service/index.ts @@ -0,0 +1,3 @@ +export * from './h5p-editor.service'; +export * from './h5p-player.service'; +export * from './h5p-ajax-endpoint.service'; diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-ajax.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-ajax.uc.spec.ts new file mode 100644 index 00000000000..9147174634a --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-ajax.uc.spec.ts @@ -0,0 +1,204 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { H5PAjaxEndpoint, H5pError } from '@lumieducation/h5p-server'; +import { HttpException, InternalServerErrorException } from '@nestjs/common'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +describe('H5P Ajax', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let ajaxEndpoint: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PAjaxEndpoint) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + ajaxEndpoint = module.get(H5PAjaxEndpoint); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when calling GET', () => { + const userMock = { userId: 'dummyId', roles: [], schoolId: 'dummySchool', accountId: 'dummyAccountId' }; + + it('should call H5PAjaxEndpoint.getAjax and return the result', async () => { + const dummyResponse = { + apiVersion: { major: 1, minor: 1 }, + details: [], + libraries: [], + outdated: false, + recentlyUsed: [], + user: 'DummyUser', + }; + + ajaxEndpoint.getAjax.mockResolvedValueOnce(dummyResponse); + + const result = await uc.getAjax({ action: 'content-type-cache', language: 'de' }, userMock); + + expect(result).toBe(dummyResponse); + expect(ajaxEndpoint.getAjax).toHaveBeenCalledWith( + 'content-type-cache', + undefined, // MachineName + undefined, // MajorVersion + undefined, // MinorVersion + 'de', + expect.objectContaining({ id: 'dummyId' }) + ); + }); + + it('should convert any H5P-Errors into HttpExceptions', async () => { + ajaxEndpoint.getAjax.mockRejectedValueOnce(new H5pError('dummy-error', { error: 'Dummy Error' }, 400)); + + const result = uc.getAjax({ action: 'content-type-cache', language: 'de' }, userMock); + + await expect(result).rejects.toThrowError(new HttpException('dummy-error (error: Dummy Error)', 400)); + }); + + it('should convert any non-H5P-Errors into InternalServerErrorException', async () => { + ajaxEndpoint.getAjax.mockRejectedValueOnce(new Error('Dummy Error')); + + const result = uc.getAjax({ action: 'content-type-cache', language: 'de' }, userMock); + + await expect(result).rejects.toThrowError(InternalServerErrorException); + }); + }); + + describe('when calling POST', () => { + const userMock = { userId: 'dummyId', roles: [], schoolId: 'dummySchool', accountId: 'dummyAccountId' }; + + it('should call H5PAjaxEndpoint.postAjax and return the result', async () => { + const dummyResponse = [ + { + majorVersion: 1, + minorVersion: 2, + metadataSettings: {}, + name: 'Dummy Library', + restricted: false, + runnable: true, + title: 'Dummy Library', + tutorialUrl: '', + uberName: 'dummyLibrary-1.1', + }, + ]; + + ajaxEndpoint.postAjax.mockResolvedValueOnce(dummyResponse); + + const result = await uc.postAjax( + userMock, + { action: 'libraries' }, + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' } + ); + + expect(result).toBe(dummyResponse); + expect(ajaxEndpoint.postAjax).toHaveBeenCalledWith( + 'libraries', + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' }, + undefined, + expect.objectContaining({ id: 'dummyId' }), + undefined, + undefined, + undefined, + undefined, + undefined + ); + }); + + it('should call H5PAjaxEndpoint.postAjax with files', async () => { + const dummyResponse = [ + { + majorVersion: 1, + minorVersion: 2, + metadataSettings: {}, + name: 'Dummy Library', + restricted: false, + runnable: true, + title: 'Dummy Library', + tutorialUrl: '', + uberName: 'dummyLibrary-1.1', + }, + ]; + + ajaxEndpoint.postAjax.mockResolvedValueOnce(dummyResponse); + + const result = await uc.postAjax( + userMock, + { action: 'libraries' }, + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' }, + [ + { + fieldname: 'file', + buffer: Buffer.from(''), + originalname: 'OriginalFile.jpg', + size: 0, + mimetype: 'image/jpg', + } as Express.Multer.File, + { + fieldname: 'h5p', + buffer: Buffer.from(''), + originalname: 'OriginalFile.jpg', + size: 0, + mimetype: 'image/jpg', + } as Express.Multer.File, + ] + ); + + const bufferTest = { + data: expect.any(Buffer), + mimetype: 'image/jpg', + name: 'OriginalFile.jpg', + size: 0, + }; + + expect(result).toBe(dummyResponse); + expect(ajaxEndpoint.postAjax).toHaveBeenCalledWith( + 'libraries', + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' }, + undefined, + expect.objectContaining({ id: 'dummyId' }), + bufferTest, + undefined, + undefined, + bufferTest, + undefined + ); + }); + + it('should convert any H5P-Errors into HttpExceptions', async () => { + ajaxEndpoint.postAjax.mockRejectedValueOnce(new H5pError('dummy-error', { error: 'Dummy Error' }, 400)); + + const result = uc.postAjax( + userMock, + { action: 'libraries' }, + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' } + ); + + await expect(result).rejects.toThrowError(new HttpException('dummy-error (error: Dummy Error)', 400)); + }); + + it('should convert any non-H5P-Errors into InternalServerErrorException', async () => { + ajaxEndpoint.postAjax.mockRejectedValueOnce(new Error('Dummy Error')); + + const result = uc.postAjax( + userMock, + { action: 'libraries' }, + { contentId: 'id', field: 'field', libraries: ['dummyLibrary-1.0'], libraryParameters: '' } + ); + + await expect(result).rejects.toThrowError(InternalServerErrorException); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-delete.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-delete.uc.spec.ts new file mode 100644 index 00000000000..79ac99e91e3 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-delete.uc.spec.ts @@ -0,0 +1,74 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { H5PEditor } from '@lumieducation/h5p-server'; +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +const setup = () => { + const contentId = '123456789'; + const notExistingContentId = '999999999'; + const currentUser: ICurrentUser = { + userId: '123', + roles: [], + schoolId: '', + accountId: '', + }; + const error = new Error('Could not delete H5P content'); + const errorThrown = new Error('Error: Could not delete H5P content'); + + return { + contentId, + notExistingContentId, + currentUser, + error, + errorThrown, + }; +}; + +describe('save or create H5P content', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let h5pEditor: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PEditor) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + h5pEditor = module.get(H5PEditor); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when contentId is given', () => { + it('should render h5p editor', async () => { + const { contentId, currentUser } = setup(); + // h5pEditor.saveOrUpdateContentReturnMetaData.mockResolvedValue(); + const result = await uc.deleteH5pContent(currentUser, contentId); + + expect(result).toEqual(true); + }); + }); + + describe('when contentId does not exist', () => { + it('should throw an error ', async () => { + const { notExistingContentId, currentUser, error, errorThrown } = setup(); + h5pEditor.deleteContent.mockRejectedValueOnce(error); + + await expect(uc.deleteH5pContent(currentUser, notExistingContentId)).rejects.toThrowError(errorThrown); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-files.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-files.uc.spec.ts new file mode 100644 index 00000000000..0e4c630d3cd --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-files.uc.spec.ts @@ -0,0 +1,331 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { ContentMetadata } from '@lumieducation/h5p-server/build/src/ContentMetadata'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { Request } from 'express'; +import { Readable } from 'stream'; + +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +import { ContentStorage } from '../contentStorage/contentStorage'; +import { LibraryStorage } from '../libraryStorage/libraryStorage'; +import { TemporaryFileStorage } from '../temporary-file-storage/temporary-file-storage'; + +describe('H5P Files', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let contentStorage: DeepMocked; + let libraryStorage: DeepMocked; + let temporaryStorage: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(ContentStorage) + .useValue(createMock()) + .overrideProvider(LibraryStorage) + .useValue(createMock()) + .overrideProvider(TemporaryFileStorage) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + contentStorage = module.get(ContentStorage); + libraryStorage = module.get(LibraryStorage); + temporaryStorage = module.get(TemporaryFileStorage); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when getting content parameters', () => { + const userMock = { userId: 'dummyId', roles: [], schoolId: 'dummySchool', accountId: 'dummyAccountId' }; + + it('should call ContentStorage and return the result', async () => { + const dummyMetadata = new ContentMetadata(); + const dummyParams = { name: 'Dummy' }; + + contentStorage.getMetadata.mockResolvedValueOnce(dummyMetadata); + contentStorage.getParameters.mockResolvedValueOnce(dummyParams); + + const result = await uc.getContentParameters('dummylib-1.0', userMock); + + expect(result).toEqual({ + h5p: dummyMetadata, + params: { metadata: dummyMetadata, params: dummyParams }, + }); + }); + + it('should throw an error if the content does not exist', async () => { + contentStorage.getMetadata.mockRejectedValueOnce(new Error('Could not get Metadata')); + contentStorage.getParameters.mockRejectedValueOnce(new Error('Could not get Parameters')); + + const result = uc.getContentParameters('dummylib-1.0', userMock); + + await expect(result).rejects.toThrow(); + }); + }); + + describe('when getting content file', () => { + const setup = ( + contentId: string, + filename: string, + content: string, + rangeCallbackReturnValue?: { start: number; end: number }[] | -1 | -2 + ) => { + const fileDate = new Date(); + + const readableContent = Readable.from(content); + const contentLength = content.length; + + let contentRange: { start: number; end: number } | undefined; + if (rangeCallbackReturnValue && rangeCallbackReturnValue !== -1 && rangeCallbackReturnValue !== -2) { + contentRange = rangeCallbackReturnValue[0]; + } + + contentStorage.getFileStats.mockResolvedValueOnce({ birthtime: fileDate, size: contentLength }); + contentStorage.getFileStream.mockResolvedValueOnce(readableContent); + + const requestMock = { + // eslint-disable-next-line @typescript-eslint/no-unused-vars + range: (size: number) => rangeCallbackReturnValue, + } as Request; + + const userMock = { userId: 'dummyId', roles: [], schoolId: 'dummySchool', accountId: 'dummyAccountId' }; + + return { contentId, filename, requestMock, contentRange, contentLength, readableContent, userMock }; + }; + + it('should call ContentStorage and return the result', async () => { + const { contentId, filename, requestMock, contentLength, contentRange, readableContent, userMock } = setup( + 'DummyId', + 'dummy-file.jpg', + 'File Content' + ); + + const result = await uc.getContentFile(contentId, filename, requestMock, userMock); + + expect(result).toStrictEqual({ + data: readableContent, + contentType: 'image/jpeg', + contentLength, + contentRange, + }); + + expect(contentStorage.getFileStats).toHaveBeenCalledWith( + contentId, + filename, + expect.objectContaining({ id: 'dummyId' }) + ); + expect(contentStorage.getFileStream).toHaveBeenCalledWith( + contentId, + filename, + expect.objectContaining({ id: 'dummyId' }), + contentRange?.start, + contentRange?.end + ); + }); + + it('should accept ranges', async () => { + const content = 'File Content'; + + const { contentId, filename, requestMock, contentLength, contentRange, readableContent, userMock } = setup( + 'DummyId', + 'dummy-file.jpg', + content, + [{ start: 0, end: content.length }] + ); + + const result = await uc.getContentFile(contentId, filename, requestMock, userMock); + + expect(result).toStrictEqual({ + data: readableContent, + contentType: 'image/jpeg', + contentLength, + contentRange, + }); + + expect(contentStorage.getFileStats).toHaveBeenCalledWith( + contentId, + filename, + expect.objectContaining({ id: 'dummyId' }) + ); + expect(contentStorage.getFileStream).toHaveBeenCalledWith( + contentId, + filename, + expect.objectContaining({ id: 'dummyId' }), + contentRange?.start, + contentRange?.end + ); + }); + + it('should fail on invalid ranges', async () => { + const { contentId, filename, requestMock, userMock } = setup('DummyId', 'dummy-file.jpg', 'File Content', -2); + const result = uc.getContentFile(contentId, filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + + it('should fail on unsatisfiable ranges', async () => { + const { contentId, filename, requestMock, userMock } = setup('DummyId', 'dummy-file.jpg', 'File Content', -1); + const result = uc.getContentFile(contentId, filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + + it('should fail on multipart ranges', async () => { + const { contentId, filename, requestMock, userMock } = setup('DummyId', 'dummy-file.jpg', 'File Content', [ + { start: 0, end: 5 }, + { start: 8, end: 12 }, + ]); + const result = uc.getContentFile(contentId, filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + }); + + describe('when getting library file', () => { + const setup = (ubername: string, filename: string, content: string) => { + const fileDate = new Date(); + + const readableContent = Readable.from(content); + const contentLength = content.length; + libraryStorage.getFileStats.mockResolvedValueOnce({ birthtime: fileDate, size: contentLength }); + libraryStorage.getFileStream.mockResolvedValueOnce(readableContent); + + return { ubername, filename, contentLength, readableContent }; + }; + + it('should call LibraryStorage and return the result', async () => { + const { ubername, filename, contentLength, readableContent } = setup( + 'H5P.Example-1.0', + 'dummy-file.jpg', + 'File Content' + ); + + const result = await uc.getLibraryFile(ubername, filename); + + expect(result).toStrictEqual({ + data: readableContent, + contentType: 'image/jpeg', + contentLength, + }); + + expect(libraryStorage.getFileStats).toHaveBeenCalledWith( + { machineName: 'H5P.Example', majorVersion: 1, minorVersion: 0 }, + 'dummy-file.jpg' + ); + expect(libraryStorage.getFileStream).toHaveBeenCalledWith( + { machineName: 'H5P.Example', majorVersion: 1, minorVersion: 0 }, + 'dummy-file.jpg' + ); + }); + }); + + describe('when getting temporary file', () => { + const setup = ( + filename: string, + content: string, + rangeCallbackReturnValue?: { start: number; end: number }[] | -1 | -2 + ) => { + const fileDate = new Date(); + + const readableContent = Readable.from(content); + const contentLength = content.length; + + let contentRange: { start: number; end: number } | undefined; + if (rangeCallbackReturnValue && rangeCallbackReturnValue !== -1 && rangeCallbackReturnValue !== -2) { + contentRange = rangeCallbackReturnValue[0]; + } + + temporaryStorage.getFileStats.mockResolvedValueOnce({ birthtime: fileDate, size: contentLength }); + temporaryStorage.getFileStream.mockResolvedValueOnce(readableContent); + + const requestMock = { + // eslint-disable-next-line @typescript-eslint/no-unused-vars + range: (size: number) => rangeCallbackReturnValue, + } as Request; + + const userMock = { userId: 'dummyId', roles: [], schoolId: 'dummySchool', accountId: 'dummyAccountId' }; + + return { filename, requestMock, contentRange, contentLength, readableContent, userMock }; + }; + + it('should call ContentStorage and return the result', async () => { + const { filename, requestMock, contentLength, contentRange, readableContent, userMock } = setup( + 'dummy-file.jpg', + 'File Content' + ); + + const result = await uc.getTemporaryFile(filename, requestMock, userMock); + + expect(result).toStrictEqual({ + data: readableContent, + contentType: 'image/jpeg', + contentLength, + contentRange, + }); + + expect(temporaryStorage.getFileStats).toHaveBeenCalledWith(filename, expect.objectContaining({ id: 'dummyId' })); + expect(temporaryStorage.getFileStream).toHaveBeenCalledWith( + filename, + expect.objectContaining({ id: 'dummyId' }), + contentRange?.start, + contentRange?.end + ); + }); + + it('should accept ranges', async () => { + const content = 'File Content'; + + const { filename, requestMock, contentLength, contentRange, readableContent, userMock } = setup( + 'dummy-file.jpg', + content, + [{ start: 0, end: content.length }] + ); + + const result = await uc.getTemporaryFile(filename, requestMock, userMock); + + expect(result).toStrictEqual({ + data: readableContent, + contentType: 'image/jpeg', + contentLength, + contentRange, + }); + + expect(temporaryStorage.getFileStats).toHaveBeenCalledWith(filename, expect.objectContaining({ id: 'dummyId' })); + expect(temporaryStorage.getFileStream).toHaveBeenCalledWith( + filename, + expect.objectContaining({ id: 'dummyId' }), + contentRange?.start, + contentRange?.end + ); + }); + + it('should fail on invalid ranges', async () => { + const { filename, requestMock, userMock } = setup('dummy-file.jpg', 'File Content', -2); + const result = uc.getTemporaryFile(filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + + it('should fail on unsatisfiable ranges', async () => { + const { filename, requestMock, userMock } = setup('dummy-file.jpg', 'File Content', -2); + const result = uc.getTemporaryFile(filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + + it('should fail on multipart ranges', async () => { + const { filename, requestMock, userMock } = setup('dummy-file.jpg', 'File Content', [ + { start: 0, end: 5 }, + { start: 8, end: 12 }, + ]); + const result = uc.getTemporaryFile(filename, requestMock, userMock); + await expect(result).rejects.toThrow(); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-get-editor.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-get-editor.uc.spec.ts new file mode 100644 index 00000000000..a13df197e41 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-get-editor.uc.spec.ts @@ -0,0 +1,79 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { H5PEditor } from '@lumieducation/h5p-server'; +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +const setup = () => { + const contentId = '123456789'; + const contentIdCreate = 'create'; + const language = 'de'; + const currentUser: ICurrentUser = { + userId: '123', + roles: [], + schoolId: '', + accountId: '', + }; + const iFrame = 'iFrame'; + + return { contentId, contentIdCreate, language, currentUser, iFrame }; +}; + +describe('get H5P editor', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let h5pEditor: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PEditor) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + h5pEditor = module.get(H5PEditor); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when value of contentId is create', () => { + it('should render new h5p editor', async () => { + const { contentIdCreate, language, currentUser, iFrame } = setup(); + h5pEditor.render.mockResolvedValueOnce(iFrame); + const result = await uc.getH5pEditor(currentUser, contentIdCreate, language); + + expect(result).toEqual('iFrame'); + }); + }); + + describe('when contentId is given', () => { + it('should render h5p editor', async () => { + const { contentId, language, currentUser, iFrame } = setup(); + h5pEditor.render.mockResolvedValueOnce(iFrame); + const result = await uc.getH5pEditor(currentUser, contentId, language); + + expect(result).toEqual('iFrame'); + }); + }); + + describe('when contentId does not exist', () => { + it('should throw an error ', async () => { + const { contentId, language, currentUser } = setup(); + h5pEditor.render.mockRejectedValueOnce(new Error('Could not get H5P editor')); + const result = uc.getH5pEditor(currentUser, contentId, language); + + await expect(result).rejects.toThrow(); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-get-player.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-get-player.uc.spec.ts new file mode 100644 index 00000000000..f307f9afc37 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-get-player.uc.spec.ts @@ -0,0 +1,68 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { H5PPlayer } from '@lumieducation/h5p-server'; +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +const setup = () => { + const contentId = '123456789'; + const notExistingContentId = '0000'; + const currentUser: ICurrentUser = { + userId: '123', + roles: [], + schoolId: '', + accountId: '', + }; + const htmlString = 'htmlString'; + + return { contentId, notExistingContentId, currentUser, htmlString }; +}; + +describe('get H5P player', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let h5pPlayer: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PPlayer) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + h5pPlayer = module.get(H5PPlayer); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when contentId is given', () => { + it('should render h5p player', async () => { + const { contentId, currentUser, htmlString } = setup(); + h5pPlayer.render.mockResolvedValueOnce(htmlString); + const result = await uc.getH5pPlayer(currentUser, contentId); + + expect(result).toEqual('htmlString'); + }); + }); + + describe('when contentId does not exist', () => { + it('should throw an error', async () => { + const { notExistingContentId, currentUser } = setup(); + h5pPlayer.render.mockRejectedValueOnce(new Error('Could not get H5P player')); + const result = uc.getH5pPlayer(currentUser, notExistingContentId); + + await expect(result).rejects.toThrow(); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p-save-create.uc.spec.ts b/apps/server/src/modules/h5p-editor/uc/h5p-save-create.uc.spec.ts new file mode 100644 index 00000000000..248b5f93d33 --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p-save-create.uc.spec.ts @@ -0,0 +1,109 @@ +import { DeepMocked, createMock } from '@golevelup/ts-jest'; +import { Test, TestingModule } from '@nestjs/testing'; +import { setupEntities } from '@shared/testing'; +import { ICurrentUser } from '@src/modules/authentication'; +import { H5PEditor, IContentMetadata } from '@lumieducation/h5p-server'; +import { H5PEditorTestModule } from '../h5p-editor-test.module'; +import { H5PEditorUc } from './h5p.uc'; + +const setup = () => { + const contentId = '123456789'; + const notExistingContentId = '999999999'; + const id = '0000000'; + const metadata: IContentMetadata = { + embedTypes: [], + language: 'de', + mainLibrary: 'mainLib', + preloadedDependencies: [], + defaultLanguage: '', + license: '', + title: '123', + }; + const params = {}; + const contentIdUndefined = undefined as unknown as string; + const mainLibraryUbername = 'mainLib'; + const currentUser: ICurrentUser = { + userId: '123', + roles: [], + schoolId: '', + accountId: '', + }; + const error = new Error('Could not save H5P content'); + + return { + contentId, + contentIdUndefined, + notExistingContentId, + currentUser, + params, + metadata, + mainLibraryUbername, + id, + error, + }; +}; + +describe('save or create H5P content', () => { + let module: TestingModule; + let uc: H5PEditorUc; + let h5pEditor: DeepMocked; + + beforeAll(async () => { + module = await Test.createTestingModule({ + imports: [H5PEditorTestModule], + }) + .overrideProvider(H5PEditor) + .useValue(createMock()) + .compile(); + + uc = module.get(H5PEditorUc); + h5pEditor = module.get(H5PEditor); + await setupEntities(); + }); + + afterEach(() => { + jest.resetAllMocks(); + }); + + afterAll(async () => { + await module.close(); + }); + + describe('when value of contentId is create', () => { + it('should create new h5p content', async () => { + const { contentIdUndefined, metadata, mainLibraryUbername, params, currentUser, id } = setup(); + const result1 = { id, metadata }; + h5pEditor.saveOrUpdateContentReturnMetaData.mockResolvedValueOnce(result1); + const result = await uc.saveH5pContentGetMetadata( + contentIdUndefined, + currentUser, + params, + metadata, + mainLibraryUbername + ); + + expect(result).toEqual(result1); + }); + }); + + describe('when contentId is given', () => { + it('should render h5p editor', async () => { + const { contentId, metadata, mainLibraryUbername, params, currentUser, id } = setup(); + const result1 = { id, metadata }; + h5pEditor.saveOrUpdateContentReturnMetaData.mockResolvedValueOnce(result1); + const result = await uc.saveH5pContentGetMetadata(contentId, currentUser, params, metadata, mainLibraryUbername); + + expect(result).toEqual(result1); + }); + }); + + describe('when contentId does not exist', () => { + it('should throw an error ', async () => { + const { metadata, mainLibraryUbername, params, notExistingContentId, currentUser, error } = setup(); + h5pEditor.saveOrUpdateContentReturnMetaData.mockRejectedValueOnce(error); + await expect( + uc.saveH5pContentGetMetadata(notExistingContentId, currentUser, params, metadata, mainLibraryUbername) + ).rejects.toThrowError(error); + }); + }); +}); diff --git a/apps/server/src/modules/h5p-editor/uc/h5p.uc.ts b/apps/server/src/modules/h5p-editor/uc/h5p.uc.ts new file mode 100644 index 00000000000..1aacd9e7adc --- /dev/null +++ b/apps/server/src/modules/h5p-editor/uc/h5p.uc.ts @@ -0,0 +1,269 @@ +import { H5PAjaxEndpoint, H5PEditor, H5PPlayer, H5pError, IContentMetadata, IUser } from '@lumieducation/h5p-server'; +import { + BadRequestException, + HttpException, + Injectable, + InternalServerErrorException, + NotFoundException, +} from '@nestjs/common'; +import { ICurrentUser } from '@src/modules/authentication'; +import { Request } from 'express'; +import { Readable } from 'stream'; + +import { AjaxGetQueryParams, AjaxPostBodyParams, AjaxPostQueryParams } from '../controller/dto'; + +@Injectable() +export class H5PEditorUc { + constructor(private h5pEditor: H5PEditor, private h5pPlayer: H5PPlayer, private h5pAjaxEndpoint: H5PAjaxEndpoint) {} + + /** + * Returns a callback that parses the request range. + */ + private getRange(req: Request) { + return (filesize: number) => { + const range = req.range(filesize); + + if (range) { + if (range === -2) { + throw new BadRequestException('invalid range'); + } + + if (range === -1) { + throw new BadRequestException('unsatisfiable range'); + } + + if (range.length > 1) { + throw new BadRequestException('multipart ranges are unsupported'); + } + + return range[0]; + } + + return undefined; + }; + } + + private mapH5pError(error: unknown) { + if (error instanceof H5pError) { + return new HttpException(error.message, error.httpStatusCode); + } + + return new InternalServerErrorException({ error }); + } + + public async getAjax(query: AjaxGetQueryParams, currentUser: ICurrentUser) { + const user = this.changeUserType(currentUser); + + try { + const result = await this.h5pAjaxEndpoint.getAjax( + query.action, + query.machineName, + query.majorVersion, + query.minorVersion, + query.language, + user + ); + + return result; + } catch (err) { + throw this.mapH5pError(err); + } + } + + public async postAjax( + currentUser: ICurrentUser, + query: AjaxPostQueryParams, + body: AjaxPostBodyParams, + files?: Express.Multer.File[] + ) { + const user = this.changeUserType(currentUser); + + try { + const filesFile = files?.find((file) => file.fieldname === 'file'); + const libraryUploadFile = files?.find((file) => file.fieldname === 'h5p'); + + const result = await this.h5pAjaxEndpoint.postAjax( + query.action, + body, + undefined, // Todo: Language + user, + filesFile && { + data: filesFile.buffer, + mimetype: filesFile.mimetype, + name: filesFile.originalname, + size: filesFile.size, + }, + query.id, + undefined, // TODO: Translation callback + libraryUploadFile && { + data: libraryUploadFile.buffer, + mimetype: libraryUploadFile.mimetype, + name: libraryUploadFile.originalname, + size: libraryUploadFile.size, + }, + undefined // TODO: HubID? + ); + + return result; + } catch (err) { + throw this.mapH5pError(err); + } + } + + public async getContentParameters(contentId: string, currentUser: ICurrentUser) { + const user = this.changeUserType(currentUser); + + try { + const result = await this.h5pAjaxEndpoint.getContentParameters(contentId, user); + + return result; + } catch (err) { + throw new NotFoundException(); + } + } + + public async getContentFile( + contentId: string, + file: string, + req: Request, + currentUser: ICurrentUser + ): Promise<{ + data: Readable; + contentType: string; + contentLength: number; + contentRange?: { start: number; end: number }; + }> { + const user = this.changeUserType(currentUser); + + try { + const { mimetype, range, stats, stream } = await this.h5pAjaxEndpoint.getContentFile( + contentId, + file, + user, + this.getRange(req) + ); + + return { + data: stream, + contentType: mimetype, + contentLength: stats.size, + contentRange: range, // Range can be undefined, typings from @lumieducation/h5p-server are wrong + }; + } catch (err) { + throw new NotFoundException(); + } + } + + public async getLibraryFile(ubername: string, file: string) { + try { + const { mimetype, stats, stream } = await this.h5pAjaxEndpoint.getLibraryFile(ubername, file); + + return { + data: stream, + contentType: mimetype, + contentLength: stats.size, + }; + } catch (err) { + throw new NotFoundException(); + } + } + + public async getTemporaryFile( + file: string, + req: Request, + currentUser: ICurrentUser + ): Promise<{ + data: Readable; + contentType: string; + contentLength: number; + contentRange?: { start: number; end: number }; + }> { + const user = this.changeUserType(currentUser); + + try { + const { mimetype, range, stats, stream } = await this.h5pAjaxEndpoint.getTemporaryFile( + file, + user, + // @ts-expect-error 2345: Callback can return undefined, typings from @lumieducation/h5p-server are wrong + this.getRange(req) + ); + + return { + data: stream, + contentType: mimetype, + contentLength: stats.size, + contentRange: range, // Range can be undefined, typings from @lumieducation/h5p-server are wrong + }; + } catch (err) { + throw new NotFoundException(); + } + } + + public async getH5pPlayer(currentUser: ICurrentUser, contentId: string): Promise { + // TODO: await this.checkPermission... + const user = this.changeUserType(currentUser); + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + const h5pPlayerHtml: string = await this.h5pPlayer.render(contentId, user); + return h5pPlayerHtml; + } + + public async getH5pEditor(currentUser: ICurrentUser, contentId: string, language: string): Promise { + // If contentId is undefined, a new H5P content will be created. + // TODO: await this.checkPermission... + const user = this.changeUserType(currentUser); + // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment + const createdH5PEditor: string = await this.h5pEditor.render(contentId, language, user); + + return createdH5PEditor; + } + + public async deleteH5pContent(currentUser: ICurrentUser, contentId: string): Promise { + // TODO: await this.checkPermission... + const user = this.changeUserType(currentUser); + let deletedContent = false; + try { + await this.h5pEditor.deleteContent(contentId, user); + deletedContent = true; + } catch (error) { + deletedContent = false; + throw new Error(error as string); + } + + return deletedContent; + } + + public async saveH5pContentGetMetadata( + contentId: string, + currentUser: ICurrentUser, + params: unknown, + metadata: IContentMetadata, + mainLibraryUbername: string + ): Promise<{ id: string; metadata: IContentMetadata }> { + // TODO: await this.checkPermission... + const user = this.changeUserType(currentUser); + + const newContentId = await this.h5pEditor.saveOrUpdateContentReturnMetaData( + contentId, // Typings are wrong + params, + metadata, + mainLibraryUbername, + user + ); + + return newContentId; + } + + private changeUserType(currentUser: ICurrentUser): IUser { + // TODO: declare IUser (e.g. add roles, schoolId, etc.) + const user: IUser = { + canCreateRestricted: false, + canInstallRecommended: false, + canUpdateAndInstallLibraries: false, + email: '', + id: currentUser.userId, + name: '', + type: '', + }; + return user; + } +} diff --git a/apps/server/static-assets/h5p/core/LICENSE.txt b/apps/server/static-assets/h5p/core/LICENSE.txt new file mode 100644 index 00000000000..20d40b6bcec --- /dev/null +++ b/apps/server/static-assets/h5p/core/LICENSE.txt @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. \ No newline at end of file diff --git a/apps/server/static-assets/h5p/core/README.txt b/apps/server/static-assets/h5p/core/README.txt new file mode 100644 index 00000000000..95aa16f296b --- /dev/null +++ b/apps/server/static-assets/h5p/core/README.txt @@ -0,0 +1,14 @@ +This folder contains the general H5P library. The files within this folder are not specific to any framework. + +Any interaction with an LMS, CMS or other frameworks is done through interfaces. Platforms need to implement +the H5PFrameworkInterface(in h5p.classes.php) and also do the following: + + - Provide a form for uploading H5P packages. + - Place the uploaded H5P packages in a temporary directory + +++ + +See existing implementations for details. For instance the Drupal H5P module located at drupal.org/project/h5p + +We will make available documentation and tutorials for creating platform integrations in the future. + +The H5P PHP library is GPL licensed due to GPL code being used for purifying HTML provided by authors. diff --git a/apps/server/static-assets/h5p/core/doc/spec_en.html b/apps/server/static-assets/h5p/core/doc/spec_en.html new file mode 100644 index 00000000000..de6ddf077ae --- /dev/null +++ b/apps/server/static-assets/h5p/core/doc/spec_en.html @@ -0,0 +1,168 @@ +

Overview

+

H5P is a file format for content/applications made using modern, open web technologies (HTML5). The format enables easy installation and transfer of applications/content on different CMSes, LMSes and other platforms. An H5P can be uploaded and published on a platform in mostly the same way one would publish a Flash file today. H5P files may also be updated by simply uploading a new version of the file, the same way as one would using Flash.

+

H5P opens for extensive reuse of code and wide flexibility regarding what may be developed as an H5P.

+

The system uses package files containing all necessary files and libraries for the application to function. These files are based on open formats.

+

Overview of package files

+

Package files are normal zip files, with a naming convention of <filename>.h5p to distinguish from any random zip file. This zip file then requires a specific file structure as described below.

+

There will be a file in JSON format named h5p.json describing the contents of the package and how the system should interpret and use it. This file contains information about title, content type, usage, copyright, licensing, version, language etc. This is described in detail below.

+

There shall be a folder for each included H5P library used by the package. These generic libraries may be reused by other H5P packages. As an example, a multi-choice question task may be used as a standalone block, or be included in a larger H5P package generating a game with quizzes.

+

Package file structure

+

A package contains the following elements:

+
    +
  1. A mandatory file in the root folder named h5p.json
    2. +
  2. An optional image file named h5p.jpg. This is an icon or an image of the application, 512 × 512 pixels. This image may be used by the platform as a preview of the application, and could be included in OG meta tags for use with social media.
    3. +
  3. One content folder, named content. This will contain the preset configuration for the application, as well as any required media files.
    4. +
  4. One or more library directories named the same as the library's internal name.
    5. +
+

h5p.json

+

The h5p.json file is a normal JSON text file containing a JSON object with the following predefined properties.

+

Mandatory properties:

+
    +
  • title - Name of the package. Would typically be used as header for a page displaying the package.
    • +
  • language - Standard language code. Use 'en' for english, 'nb' for norwegian "bokmål". Neutral content use "und".
    • +
  • machineName - Machine readable name of the library. This is the name that will be used for the library folder in the package too.
    • +
  • preloadedDependencies - Libraries that must be loaded on init. Specified as a list of objects with machineName, majorVersion and minorVersion. One would normally list all dependencies here to allow the platform displaying the package to merge JS and CSS files before returning the page.
    • +
  • embedTypes - List of ways to embed the package in the web page. Currently "div" and "iframe" are supported.
    • +

Optional properties:

+
  • contentType - Textual description of the type of content.
    • +
  • description - Textual description of the package.
    • +
  • author - Name of author.
    • +
  • license - Code for the content license. Use the following Creative Commons codes: cc-by, cc-by-sa, cc-by-nd, cc-by-nc, cc-by-nc-sa, cc-by-nc-nd. In addition for public domain: pd, and closed license: cr. More may be added later.
    • +
  • dynamicDependencies - Libraries that may be loaded dynamically during execution.
    • +
  • width - Width of the package content in cases where the package is not dynamically resizable.
    • +
  • height - Height of the package content.
    • +
  • metaKeywords - Suggestion for keywords for the application, as a string. May be used for OG meta tags for social media.
    • +
  • metaDescription - Suggestion for application metaDescription. May be used for OG meta tags for social media.
    • +
+

Eksempel på h5p.json:

+{
+ "title": "Biologi-spillet",
+ "contentType": "Game",
+ "utilization": "Lær om biologi",
+ "language": "nb",
+ "author": "Amendor AS",
+ "license": "cc-by-sa",
+ "preloadedDependencies": [
+ {
+ "machineName": "H5P.Boardgame",
+ "majorVersion": 1,
+ "minorVersion": 0
+ }, {
+ "machineName": "H5P.QuestionSet",
+ "majorVersion": 1,
+ "minorVersion": 0
+ }, {
+ "machineName": "H5P.MultiChoice",
+ "majorVersion": 1, "minorVersion": 0
+ }, {
+ "machineName": "EmbeddedJS",
+ "majorVersion": 1,
+ "minorVersion": 0
+ } ],
+ "embedTypes": ["div", "iframe"],
+ "w": 635,
+ "h": 500
+} +

The content folder

+

Contains all the content for the package and its libraries. There shall be no content inside the library folders. The content folder shall contain a file named content.json, containing the JSON object that will be passed to the initializer for the main package library.

+ +

Content required by libraries invoked from the main package library will get their contents passed from the main library. The JSON for this will be found within the main content.json for the package, and passed during initialization.

+ +

Library folders

+ +

A library folder contains all logic, stylesheets and graphics that will be common for all instances of a library. There shall be no content or interface text directly in these folders. All text displayed to the end user shall be passed as part of the library configuration. This make the libraries language independent.

+ +

The root of a library folder shall contain a file name library.json formatted similar to the package's hp5.json, but with a few differences. The library shall also have one or more images in the root folder, named library.jpg, library1.jpg etc. Image sizes 512px × 512px, and will be used in the H5P editor tool.

+ +

Libraries are not allowed to modify the document tree in ways that will have consequences for the web site or will be noticeable by the user without the library explicitly being initialized from the main package library or another invoked library.

+ +

The library shall always include a JavaScript object function named the same as the defined library machineName (defined in library.json and used as the library folder name). This object will be instantiated with the library options as parameter. The resulting object must contain a function attach(target) that will be called after instantiation to attach the library DOM to the main DOM inside target

+ +

Example

+

A library called H5P.multichoice would typically be instantiated and attached to the page like this:

+var multichoice = new H5P.multichoice(contentFromJson, contentId);
+multichoice.attach($multichoiceContainer); + +

library.json

+

Mandatory properties:

+
    +
  • title - Human readable name of the library. May be used in the H5P editor and overviews of installed libraries.
    • +
  • majorVersion - Version major number. (The x in x.y.z). Positive integer.
    • +
  • minorVersion - Version minor number. (The y in x.y.z). Positive integer.
    • +
  • patchVersion - Version patch number. (The z in x.y.z). Positive integer. The system will automatically update to the latest patchVersion installed for all packages that use the library with the same major and minor version number. A new patch version must therefore not change any behaviour of the library, only fix errors.
    • +
  • machineName - Machine readable name for the library. Same as the folder name used.
    • +
  • preloadedJs - List of path to the javascript files required for the library. At least one file need to be present (the one defining the library object). Paths are relative to the library root folder.
    • +
+

Optional properties:

+
    +
  • author - Author name as text.
    • +
  • license - Code describing the library license. Use the following creative commons codes: cc-by, cc-by-sa, cc-by-nd, cc-by-nc, cc-by-nc-sa, cc-by-nc-nd. In addition use pd for public domain, and cr for closed source
    • +
  • description - Textual description of the library.
    • +
  • preloadedDependencies - Libraries that need to be loaded for this library to work. Specified as a list of objects with machineName, majorVersion and minorVersion for the required libraries.
    • +
  • dynamicDependencies - Libraries that may be loaded dynamically during library execution. Specified as a list of objects like preloadedDependencies above.
    • +
  • preloadedCss - List of paths to CSS files to be loaded with the library. Paths are relative to the library root folder.
    • +
  • w - Width in pixels for libraries that use a fixed width. Mandatory if the library shall be embedded in an iframe (see embedTypes below).
    • +
  • h - Height in pixels for libraries that use a fixed height. Mandatory if the library shall be embedded in an iframe (see embedTypes below).
    • +
  • embedTypes - List of possible ways to embed the package in the page. Available values are div and iframe.
    • +
+

Eksempel på library.json:

+{
+ "title": "Boardgame",
+ "description": "The user is presented with a board with several hotspots. By clicking a hotspot he invokes a mini-game.",
+ "majorVersion": 1,
+ "minorVersion": 0,
+ "patchVersion": 6,
+ "runnable": 1,
+ "machineName": "H5P.Boardgame",
+ "author": "Amendor AS",
+ "license": "cc-by-sa",
+ "preloadedDependencies": [
+ {
+ "machineName": "EmbeddedJS",
+ "majorVersion": 1,
+ "minorVersion": 0
+ }, {
+ "machineName": "H5P.MultiChoice",
+ "majorVersion": 1,
+ "minorVersion": 0
+ }, {
+ "machineName": "H5P.QuestionSet",
+ "majorVersion": 1,
+ "minorVersion": 0
+ } ],
+ "preloadedCss": [ {"path": "css/boardgame.css"} ],
+ "preloadedJs": [ {"path": "js/boardgame.js"} ],
+ "w": 635,
+ "h": 500 } + +

Allowed file types

+

Files that require server side execution or that cannot be regarded an open standard shall not be used. Allowed file types: js, json, png, jpg, gif, svg, css, mp3, wav (audio: PCM), m4a (audio: AAC), mp4 (video: H.264, audio: AAC/MP3), ogg (video: Theora, audio: Vorbis) and webm (video VP8, audio: Vorbis). Administrators of web sites implementing H5P may open for accepting further formats. HTML files shall not be used. HTML for each library shall be inserted from the library scripts to ease code reuse. (By avoiding content being defined in said HTML).

+

API functions

+

The following JavaScript functions are available through h5p:

+
    +
  • H5P.getUserData(namespace, variable)
    • +
  • H5P.setUserData(namespace, variable, data)
    • +
  • H5P.getUserStart(namespace)
    • +
  • H5P.setUserStop(namespace)
    • +
  • H5P.deleteUserData(namespace, variable)
    • +
  • H5P.getGlobalData(namespace, variable)
    • +
  • H5P.setGlobalData(namespace, variable, data)
    • +
  • H5P.deleteGlobalData(namespace, variable)
    • +
+

I tillegg er følgende api funksjoner tilgjengelig via ndla:

+
    +
  • H5P.setUserScore(contentId, score, maxScore)
    • +
+

Best practices

+

H5P is a very open standard. This is positive for flexibility. Most content may be produces as H5P. But this also allows for bad code, security weaknesses, code that may be difficult to reuse. Therefore the following best practices should be followed to get the most from H5P:

+
    +
  • Think reusability when creating a library. H5P support dependencies between libraries, so the same small quiz-library may be used in various larger packages or libraries.
    • +
  • H5P supports library updates. This enables all content using a common library to be updated at once. This must be accounted for when writing new libraries. A library should be as general as possible. The content format should be thought out so there are no changes to the required content data when a library is updated. Note: Multiple versions of a library may exists at the same time, only patch level updates will be automatically installed.
    • +
  • An H5P should not interact directly with the containing web site. It shall only affect elements within its own generated DOM tree. Elements shall also only be injected within the target defined on initialization. This is to avoid dependencies to a specific platform or web page.
    • +
  • Prefix objects, global functions, etc with h5p to minimize the chance of namespace conflicts with the rest of the web page. Remember that there may also be multiple H5P objects inserted on a page, so plan ahead to avoid conflicts.
    • +
  • Content should be responsive.
    • +
  • Content should be WCAG 2 AA compliant
    • +
  • All generated HTML should validate.
    • +
  • All CSS should validate (some browser specific non-standard CSS may at times be required)
    • +
  • Best practices for JavaScript, HTML, etc. should of course also be followed when writing an H5P.
    • +
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+ + function ActionBar(displayOptions) { + EventDispatcher.call(this); + + /** @alias H5P.ActionBar# */ + var self = this; + + var hasActions = false; + + // Create action bar + var $actions = H5P.jQuery('
    '); + + /** + * Helper for creating action bar buttons. + * + * @private + * @param {string} type + * @param {string} customClass Instead of type class + */ + var addActionButton = function (type, customClass) { + /** + * Handles selection of action + */ + var handler = function () { + self.trigger(type); + }; + H5P.jQuery('
  • ', { + 'class': 'h5p-button h5p-noselect h5p-' + (customClass ? customClass : type), + role: 'button', + tabindex: 0, + title: H5P.t(type + 'Description'), + html: H5P.t(type), + on: { + click: handler, + keypress: function (e) { + if (e.which === 32) { + handler(); + e.preventDefault(); // (since return false will block other inputs) + } + } + }, + appendTo: $actions + }); + + hasActions = true; + }; + + // Register action bar buttons + if (displayOptions.export || displayOptions.copy) { + // Add export button + addActionButton('reuse', 'export'); + } + if (displayOptions.copyright) { + addActionButton('copyrights'); + } + if (displayOptions.embed) { + addActionButton('embed'); + } + if (displayOptions.icon) { + // Add about H5P button icon + H5P.jQuery('
    • ').appendTo($actions); + hasActions = true; + } + + /** + * Returns a reference to the dom element + * + * @return {H5P.jQuery} + */ + self.getDOMElement = function () { + return $actions; + }; + + /** + * Does the actionbar contain actions? + * + * @return {Boolean} + */ + self.hasActions = function () { + return hasActions; + }; + } + + ActionBar.prototype = Object.create(EventDispatcher.prototype); + ActionBar.prototype.constructor = ActionBar; + + return ActionBar; + +})(H5P.jQuery, H5P.EventDispatcher); diff --git a/apps/server/static-assets/h5p/core/js/h5p-confirmation-dialog.js b/apps/server/static-assets/h5p/core/js/h5p-confirmation-dialog.js new file mode 100644 index 00000000000..cd3536e7a40 --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-confirmation-dialog.js @@ -0,0 +1,410 @@ +/*global H5P*/ +H5P.ConfirmationDialog = (function (EventDispatcher) { + "use strict"; + + /** + * Create a confirmation dialog + * + * @param [options] Options for confirmation dialog + * @param [options.instance] Instance that uses confirmation dialog + * @param [options.headerText] Header text + * @param [options.dialogText] Dialog text + * @param [options.cancelText] Cancel dialog button text + * @param [options.confirmText] Confirm dialog button text + * @param [options.hideCancel] Hide cancel button + * @param [options.hideExit] Hide exit button + * @param [options.skipRestoreFocus] Skip restoring focus when hiding the dialog + * @param [options.classes] Extra classes for popup + * @constructor + */ + function ConfirmationDialog(options) { + EventDispatcher.call(this); + var self = this; + + // Make sure confirmation dialogs have unique id + H5P.ConfirmationDialog.uniqueId += 1; + var uniqueId = H5P.ConfirmationDialog.uniqueId; + + // Default options + options = options || {}; + options.headerText = options.headerText || H5P.t('confirmDialogHeader'); + options.dialogText = options.dialogText || H5P.t('confirmDialogBody'); + options.cancelText = options.cancelText || H5P.t('cancelLabel'); + options.confirmText = options.confirmText || H5P.t('confirmLabel'); + + /** + * Handle confirming event + * @param {Event} e + */ + function dialogConfirmed(e) { + self.hide(); + self.trigger('confirmed'); + e.preventDefault(); + } + + /** + * Handle dialog canceled + * @param {Event} e + */ + function dialogCanceled(e) { + self.hide(); + self.trigger('canceled'); + e.preventDefault(); + } + + /** + * Flow focus to element + * @param {HTMLElement} element Next element to be focused + * @param {Event} e Original tab event + */ + function flowTo(element, e) { + element.focus(); + e.preventDefault(); + } + + // Offset of exit button + var exitButtonOffset = 2 * 16; + var shadowOffset = 8; + + // Determine if we are too large for our container and must resize + var resizeIFrame = false; + + // Create background + var popupBackground = document.createElement('div'); + popupBackground.classList + .add('h5p-confirmation-dialog-background', 'hidden', 'hiding'); + + // Create outer popup + var popup = document.createElement('div'); + popup.classList.add('h5p-confirmation-dialog-popup', 'hidden'); + if (options.classes) { + options.classes.forEach(function (popupClass) { + popup.classList.add(popupClass); + }); + } + + popup.setAttribute('role', 'dialog'); + popup.setAttribute('aria-labelledby', 'h5p-confirmation-dialog-dialog-text-' + uniqueId); + popupBackground.appendChild(popup); + popup.addEventListener('keydown', function (e) { + if (e.which === 27) {// Esc key + // Exit dialog + dialogCanceled(e); + } + }); + + // Popup header + var header = document.createElement('div'); + header.classList.add('h5p-confirmation-dialog-header'); + popup.appendChild(header); + + // Header text + var headerText = document.createElement('div'); + headerText.classList.add('h5p-confirmation-dialog-header-text'); + headerText.innerHTML = options.headerText; + header.appendChild(headerText); + + // Popup body + var body = document.createElement('div'); + body.classList.add('h5p-confirmation-dialog-body'); + popup.appendChild(body); + + // Popup text + var text = document.createElement('div'); + text.classList.add('h5p-confirmation-dialog-text'); + text.innerHTML = options.dialogText; + text.id = 'h5p-confirmation-dialog-dialog-text-' + uniqueId; + body.appendChild(text); + + // Popup buttons + var buttons = document.createElement('div'); + buttons.classList.add('h5p-confirmation-dialog-buttons'); + body.appendChild(buttons); + + // Cancel button + var cancelButton = document.createElement('button'); + cancelButton.classList.add('h5p-core-cancel-button'); + cancelButton.textContent = options.cancelText; + + // Confirm button + var confirmButton = document.createElement('button'); + confirmButton.classList.add('h5p-core-button'); + confirmButton.classList.add('h5p-confirmation-dialog-confirm-button'); + confirmButton.textContent = options.confirmText; + + // Exit button + var exitButton = document.createElement('button'); + exitButton.classList.add('h5p-confirmation-dialog-exit'); + exitButton.setAttribute('aria-hidden', 'true'); + exitButton.tabIndex = -1; + exitButton.title = options.cancelText; + + // Cancel handler + cancelButton.addEventListener('click', dialogCanceled); + cancelButton.addEventListener('keydown', function (e) { + if (e.which === 32) { // Space + dialogCanceled(e); + } + else if (e.which === 9 && e.shiftKey) { // Shift-tab + flowTo(confirmButton, e); + } + }); + + if (!options.hideCancel) { + buttons.appendChild(cancelButton); + } + else { + // Center buttons + buttons.classList.add('center'); + } + + // Confirm handler + confirmButton.addEventListener('click', dialogConfirmed); + confirmButton.addEventListener('keydown', function (e) { + if (e.which === 32) { // Space + dialogConfirmed(e); + } + else if (e.which === 9 && !e.shiftKey) { // Tab + const nextButton = !options.hideCancel ? cancelButton : confirmButton; + flowTo(nextButton, e); + } + }); + buttons.appendChild(confirmButton); + + // Exit handler + exitButton.addEventListener('click', dialogCanceled); + exitButton.addEventListener('keydown', function (e) { + if (e.which === 32) { // Space + dialogCanceled(e); + } + }); + if (!options.hideExit) { + popup.appendChild(exitButton); + } + + // Wrapper element + var wrapperElement; + + // Focus capturing + var focusPredator; + + // Maintains hidden state of elements + var wrapperSiblingsHidden = []; + var popupSiblingsHidden = []; + + // Element with focus before dialog + var previouslyFocused; + + /** + * Set parent of confirmation dialog + * @param {HTMLElement} wrapper + * @returns {H5P.ConfirmationDialog} + */ + this.appendTo = function (wrapper) { + wrapperElement = wrapper; + return this; + }; + + /** + * Capture the focus element, send it to confirmation button + * @param {Event} e Original focus event + */ + var captureFocus = function (e) { + if (!popupBackground.contains(e.target)) { + e.preventDefault(); + confirmButton.focus(); + } + }; + + /** + * Hide siblings of element from assistive technology + * + * @param {HTMLElement} element + * @returns {Array} The previous hidden state of all siblings + */ + var hideSiblings = function (element) { + var hiddenSiblings = []; + var siblings = element.parentNode.children; + var i; + for (i = 0; i < siblings.length; i += 1) { + // Preserve hidden state + hiddenSiblings[i] = siblings[i].getAttribute('aria-hidden') ? + true : false; + + if (siblings[i] !== element) { + siblings[i].setAttribute('aria-hidden', true); + } + } + return hiddenSiblings; + }; + + /** + * Restores assistive technology state of element's siblings + * + * @param {HTMLElement} element + * @param {Array} hiddenSiblings Hidden state of all siblings + */ + var restoreSiblings = function (element, hiddenSiblings) { + var siblings = element.parentNode.children; + var i; + for (i = 0; i < siblings.length; i += 1) { + if (siblings[i] !== element && !hiddenSiblings[i]) { + siblings[i].removeAttribute('aria-hidden'); + } + } + }; + + /** + * Start capturing focus of parent and send it to dialog + */ + var startCapturingFocus = function () { + focusPredator = wrapperElement.parentNode || wrapperElement; + focusPredator.addEventListener('focus', captureFocus, true); + }; + + /** + * Clean up event listener for capturing focus + */ + var stopCapturingFocus = function () { + focusPredator.removeAttribute('aria-hidden'); + focusPredator.removeEventListener('focus', captureFocus, true); + }; + + /** + * Hide siblings in underlay from assistive technologies + */ + var disableUnderlay = function () { + wrapperSiblingsHidden = hideSiblings(wrapperElement); + popupSiblingsHidden = hideSiblings(popupBackground); + }; + + /** + * Restore state of underlay for assistive technologies + */ + var restoreUnderlay = function () { + restoreSiblings(wrapperElement, wrapperSiblingsHidden); + restoreSiblings(popupBackground, popupSiblingsHidden); + }; + + /** + * Fit popup to container. Makes sure it doesn't overflow. + * @params {number} [offsetTop] Offset of popup + */ + var fitToContainer = function (offsetTop) { + var popupOffsetTop = parseInt(popup.style.top, 10); + if (offsetTop !== undefined) { + popupOffsetTop = offsetTop; + } + + if (!popupOffsetTop) { + popupOffsetTop = 0; + } + + // Overflows height + if (popupOffsetTop + popup.offsetHeight > wrapperElement.offsetHeight) { + popupOffsetTop = wrapperElement.offsetHeight - popup.offsetHeight - shadowOffset; + } + + if (popupOffsetTop - exitButtonOffset <= 0) { + popupOffsetTop = exitButtonOffset + shadowOffset; + + // We are too big and must resize + resizeIFrame = true; + } + popup.style.top = popupOffsetTop + 'px'; + }; + + /** + * Show confirmation dialog + * @params {number} offsetTop Offset top + * @returns {H5P.ConfirmationDialog} + */ + this.show = function (offsetTop) { + // Capture focused item + previouslyFocused = document.activeElement; + wrapperElement.appendChild(popupBackground); + startCapturingFocus(); + disableUnderlay(); + popupBackground.classList.remove('hidden'); + fitToContainer(offsetTop); + setTimeout(function () { + popup.classList.remove('hidden'); + popupBackground.classList.remove('hiding'); + + setTimeout(function () { + // Focus confirm button + confirmButton.focus(); + + // Resize iFrame if necessary + if (resizeIFrame && options.instance) { + var minHeight = parseInt(popup.offsetHeight, 10) + + exitButtonOffset + (2 * shadowOffset); + self.setViewPortMinimumHeight(minHeight); + options.instance.trigger('resize'); + resizeIFrame = false; + } + }, 100); + }, 0); + + return this; + }; + + /** + * Hide confirmation dialog + * @returns {H5P.ConfirmationDialog} + */ + this.hide = function () { + popupBackground.classList.add('hiding'); + popup.classList.add('hidden'); + + // Restore focus + stopCapturingFocus(); + if (!options.skipRestoreFocus) { + previouslyFocused.focus(); + } + restoreUnderlay(); + setTimeout(function () { + popupBackground.classList.add('hidden'); + wrapperElement.removeChild(popupBackground); + self.setViewPortMinimumHeight(null); + }, 100); + + return this; + }; + + /** + * Retrieve element + * + * @return {HTMLElement} + */ + this.getElement = function () { + return popup; + }; + + /** + * Get previously focused element + * @return {HTMLElement} + */ + this.getPreviouslyFocused = function () { + return previouslyFocused; + }; + + /** + * Sets the minimum height of the view port + * + * @param {number|null} minHeight + */ + this.setViewPortMinimumHeight = function (minHeight) { + var container = document.querySelector('.h5p-container') || document.body; + container.style.minHeight = (typeof minHeight === 'number') ? (minHeight + 'px') : minHeight; + }; + } + + ConfirmationDialog.prototype = Object.create(EventDispatcher.prototype); + ConfirmationDialog.prototype.constructor = ConfirmationDialog; + + return ConfirmationDialog; + +}(H5P.EventDispatcher)); + +H5P.ConfirmationDialog.uniqueId = -1; diff --git a/apps/server/static-assets/h5p/core/js/h5p-content-type.js b/apps/server/static-assets/h5p/core/js/h5p-content-type.js new file mode 100644 index 00000000000..47c4d21bf75 --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-content-type.js @@ -0,0 +1,41 @@ +/** + * H5P.ContentType is a base class for all content types. Used by newRunnable() + * + * Functions here may be overridable by the libraries. In special cases, + * it is also possible to override H5P.ContentType on a global level. + * + * NOTE that this doesn't actually 'extend' the event dispatcher but instead + * it creates a single instance which all content types shares as their base + * prototype. (in some cases this may be the root of strange event behavior) + * + * @class + * @augments H5P.EventDispatcher + */ +H5P.ContentType = function (isRootLibrary) { + + function ContentType() {} + + // Inherit from EventDispatcher. + ContentType.prototype = new H5P.EventDispatcher(); + + /** + * Is library standalone or not? Not beeing standalone, means it is + * included in another library + * + * @return {Boolean} + */ + ContentType.prototype.isRoot = function () { + return isRootLibrary; + }; + + /** + * Returns the file path of a file in the current library + * @param {string} filePath The path to the file relative to the library folder + * @return {string} The full path to the file + */ + ContentType.prototype.getLibraryFilePath = function (filePath) { + return H5P.getLibraryPath(this.libraryInfo.versionedNameNoSpaces) + '/' + filePath; + }; + + return ContentType; +}; diff --git a/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-process.js b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-process.js new file mode 100644 index 00000000000..fbaa4f2bf07 --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-process.js @@ -0,0 +1,313 @@ +/*jshint -W083 */ +var H5PUpgrades = H5PUpgrades || {}; + +H5P.ContentUpgradeProcess = (function (Version) { + + /** + * @class + * @namespace H5P + */ + function ContentUpgradeProcess(name, oldVersion, newVersion, params, id, loadLibrary, done) { + var self = this; + + // Make params possible to work with + try { + params = JSON.parse(params); + if (!(params instanceof Object)) { + throw true; + } + } + catch (event) { + return done({ + type: 'errorParamsBroken', + id: id + }); + } + + self.loadLibrary = loadLibrary; + self.upgrade(name, oldVersion, newVersion, params.params, params.metadata, function (err, upgradedParams, upgradedMetadata) { + if (err) { + err.id = id; + return done(err); + } + + done(null, JSON.stringify({params: upgradedParams, metadata: upgradedMetadata})); + }); + } + + /** + * Run content upgrade. + * + * @public + * @param {string} name + * @param {Version} oldVersion + * @param {Version} newVersion + * @param {Object} params + * @param {Object} metadata + * @param {Function} done + */ + ContentUpgradeProcess.prototype.upgrade = function (name, oldVersion, newVersion, params, metadata, done) { + var self = this; + + // Load library details and upgrade routines + self.loadLibrary(name, newVersion, function (err, library) { + if (err) { + return done(err); + } + if (library.semantics === null) { + return done({ + type: 'libraryMissing', + library: library.name + ' ' + library.version.major + '.' + library.version.minor + }); + } + + // Run upgrade routines on params + self.processParams(library, oldVersion, newVersion, params, metadata, function (err, params, metadata) { + if (err) { + return done(err); + } + + // Check if any of the sub-libraries need upgrading + asyncSerial(library.semantics, function (index, field, next) { + self.processField(field, params[field.name], function (err, upgradedParams) { + if (upgradedParams) { + params[field.name] = upgradedParams; + } + next(err); + }); + }, function (err) { + done(err, params, metadata); + }); + }); + }); + }; + + /** + * Run upgrade hooks on params. + * + * @public + * @param {Object} library + * @param {Version} oldVersion + * @param {Version} newVersion + * @param {Object} params + * @param {Function} next + */ + ContentUpgradeProcess.prototype.processParams = function (library, oldVersion, newVersion, params, metadata, next) { + if (H5PUpgrades[library.name] === undefined) { + if (library.upgradesScript) { + // Upgrades script should be loaded so the upgrades should be here. + return next({ + type: 'scriptMissing', + library: library.name + ' ' + newVersion + }); + } + + // No upgrades script. Move on + return next(null, params, metadata); + } + + // Run upgrade hooks. Start by going through major versions + asyncSerial(H5PUpgrades[library.name], function (major, minors, nextMajor) { + if (major < oldVersion.major || major > newVersion.major) { + // Older than the current version or newer than the selected + nextMajor(); + } + else { + // Go through the minor versions for this major version + asyncSerial(minors, function (minor, upgrade, nextMinor) { + minor =+ minor; + if (minor <= oldVersion.minor || minor > newVersion.minor) { + // Older than or equal to the current version or newer than the selected + nextMinor(); + } + else { + // We found an upgrade hook, run it + var unnecessaryWrapper = (upgrade.contentUpgrade !== undefined ? upgrade.contentUpgrade : upgrade); + + try { + unnecessaryWrapper(params, function (err, upgradedParams, upgradedExtras) { + params = upgradedParams; + if (upgradedExtras && upgradedExtras.metadata) { // Optional + metadata = upgradedExtras.metadata; + } + nextMinor(err); + }, {metadata: metadata}); + } + catch (err) { + if (console && console.error) { + console.error("Error", err.stack); + console.error("Error", err.name); + console.error("Error", err.message); + } + next(err); + } + } + }, nextMajor); + } + }, function (err) { + next(err, params, metadata); + }); + }; + + /** + * Process parameter fields to find and upgrade sub-libraries. + * + * @public + * @param {Object} field + * @param {Object} params + * @param {Function} done + */ + ContentUpgradeProcess.prototype.processField = function (field, params, done) { + var self = this; + + if (params === undefined) { + return done(); + } + + switch (field.type) { + case 'library': + if (params.library === undefined || params.params === undefined) { + return done(); + } + + // Look for available upgrades + var usedLib = params.library.split(' ', 2); + for (var i = 0; i < field.options.length; i++) { + var availableLib = (typeof field.options[i] === 'string') ? field.options[i].split(' ', 2) : field.options[i].name.split(' ', 2); + if (availableLib[0] === usedLib[0]) { + if (availableLib[1] === usedLib[1]) { + return done(); // Same version + } + + // We have different versions + var usedVer = new Version(usedLib[1]); + var availableVer = new Version(availableLib[1]); + if (usedVer.major > availableVer.major || (usedVer.major === availableVer.major && usedVer.minor >= availableVer.minor)) { + return done({ + type: 'errorTooHighVersion', + used: usedLib[0] + ' ' + usedVer, + supported: availableLib[0] + ' ' + availableVer + }); // Larger or same version that's available + } + + // A newer version is available, upgrade params + return self.upgrade(availableLib[0], usedVer, availableVer, params.params, params.metadata, function (err, upgradedParams, upgradedMetadata) { + if (!err) { + params.library = availableLib[0] + ' ' + availableVer.major + '.' + availableVer.minor; + params.params = upgradedParams; + if (upgradedMetadata) { + params.metadata = upgradedMetadata; + } + } + done(err, params); + }); + } + } + + // Content type was not supporte by the higher version + done({ + type: 'errorNotSupported', + used: usedLib[0] + ' ' + usedVer + }); + break; + + case 'group': + if (field.fields.length === 1 && field.isSubContent !== true) { + // Single field to process, wrapper will be skipped + self.processField(field.fields[0], params, function (err, upgradedParams) { + if (upgradedParams) { + params = upgradedParams; + } + done(err, params); + }); + } + else { + // Go through all fields in the group + asyncSerial(field.fields, function (index, subField, next) { + var paramsToProcess = params ? params[subField.name] : null; + self.processField(subField, paramsToProcess, function (err, upgradedParams) { + if (upgradedParams) { + params[subField.name] = upgradedParams; + } + next(err); + }); + + }, function (err) { + done(err, params); + }); + } + break; + + case 'list': + // Go trough all params in the list + asyncSerial(params, function (index, subParams, next) { + self.processField(field.field, subParams, function (err, upgradedParams) { + if (upgradedParams) { + params[index] = upgradedParams; + } + next(err); + }); + }, function (err) { + done(err, params); + }); + break; + + default: + done(); + } + }; + + /** + * Helps process each property on the given object asynchronously in serial order. + * + * @private + * @param {Object} obj + * @param {Function} process + * @param {Function} finished + */ + var asyncSerial = function (obj, process, finished) { + var id, isArray = obj instanceof Array; + + // Keep track of each property that belongs to this object. + if (!isArray) { + var ids = []; + for (id in obj) { + if (obj.hasOwnProperty(id)) { + ids.push(id); + } + } + } + + var i = -1; // Keeps track of the current property + + /** + * Private. Process the next property + */ + var next = function () { + id = isArray ? i : ids[i]; + process(id, obj[id], check); + }; + + /** + * Private. Check if we're done or have an error. + * + * @param {String} err + */ + var check = function (err) { + // We need to use a real async function in order for the stack to clear. + setTimeout(function () { + i++; + if (i === (isArray ? obj.length : ids.length) || (err !== undefined && err !== null)) { + finished(err); + } + else { + next(); + } + }, 0); + }; + + check(); // Start + }; + + return ContentUpgradeProcess; +})(H5P.Version); diff --git a/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-worker.js b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-worker.js new file mode 100644 index 00000000000..3507a358a1a --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade-worker.js @@ -0,0 +1,63 @@ +/* global importScripts */ +var H5P = H5P || {}; +importScripts('h5p-version.js', 'h5p-content-upgrade-process.js'); + +var libraryLoadedCallback; + +/** + * Register message handlers + */ +var messageHandlers = { + newJob: function (job) { + // Start new job + new H5P.ContentUpgradeProcess(job.name, new H5P.Version(job.oldVersion), new H5P.Version(job.newVersion), job.params, job.id, function loadLibrary(name, version, next) { + // TODO: Cache? + postMessage({ + action: 'loadLibrary', + name: name, + version: version.toString() + }); + libraryLoadedCallback = next; + }, function done(err, result) { + if (err) { + // Return error + postMessage({ + action: 'error', + id: job.id, + err: err.message ? err.message : err + }); + + return; + } + + // Return upgraded content + postMessage({ + action: 'done', + id: job.id, + params: result + }); + }); + }, + libraryLoaded: function (data) { + var library = data.library; + if (library.upgradesScript) { + try { + importScripts(library.upgradesScript); + } + catch (err) { + libraryLoadedCallback(err); + return; + } + } + libraryLoadedCallback(null, data.library); + } +}; + +/** + * Handle messages from our master + */ +onmessage = function (event) { + if (event.data.action !== undefined && messageHandlers[event.data.action]) { + messageHandlers[event.data.action].call(this, event.data); + } +}; diff --git a/apps/server/static-assets/h5p/core/js/h5p-content-upgrade.js b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade.js new file mode 100644 index 00000000000..9dc066c5c25 --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-content-upgrade.js @@ -0,0 +1,445 @@ +/* global H5PAdminIntegration H5PUtils */ + +(function ($, Version) { + var info, $log, $container, librariesCache = {}, scriptsCache = {}; + + // Initialize + $(document).ready(function () { + // Get library info + info = H5PAdminIntegration.libraryInfo; + + // Get and reset container + const $wrapper = $('#h5p-admin-container').html(''); + $log = $('
      ').appendTo($wrapper); + $container = $('

      ' + info.message + '

      ').appendTo($wrapper); + + // Make it possible to select version + var $version = $(getVersionSelect(info.versions)).appendTo($container); + + // Add "go" button + $(''); + H5PLibraryDetails.$next = $(''); + + H5PLibraryDetails.$previous.on('click', function () { + if (H5PLibraryDetails.$previous.hasClass('disabled')) { + return; + } + + H5PLibraryDetails.currentPage--; + H5PLibraryDetails.updatePager(); + H5PLibraryDetails.createContentTable(); + }); + + H5PLibraryDetails.$next.on('click', function () { + if (H5PLibraryDetails.$next.hasClass('disabled')) { + return; + } + + H5PLibraryDetails.currentPage++; + H5PLibraryDetails.updatePager(); + H5PLibraryDetails.createContentTable(); + }); + + // This is the Page x of y widget: + H5PLibraryDetails.$pagerInfo = $(''); + + H5PLibraryDetails.$pager = $('
      ').append(H5PLibraryDetails.$previous, H5PLibraryDetails.$pagerInfo, H5PLibraryDetails.$next); + H5PLibraryDetails.$content.append(H5PLibraryDetails.$pager); + + H5PLibraryDetails.$pagerInfo.on('click', function () { + var width = H5PLibraryDetails.$pagerInfo.innerWidth(); + H5PLibraryDetails.$pagerInfo.hide(); + + // User has updated the pageNumber + var pageNumerUpdated = function () { + var newPageNum = $gotoInput.val()-1; + var intRegex = /^\d+$/; + + $goto.remove(); + H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'}); + + // Check if input value is valid, and that it has actually changed + if (!(intRegex.test(newPageNum) && newPageNum >= 0 && newPageNum < H5PLibraryDetails.getNumPages() && newPageNum != H5PLibraryDetails.currentPage)) { + return; + } + + H5PLibraryDetails.currentPage = newPageNum; + H5PLibraryDetails.updatePager(); + H5PLibraryDetails.createContentTable(); + }; + + // We create an input box where the user may type in the page number + // he wants to be displayed. + // Reson for doing this is when user has ten-thousands of elements in list, + // this is the easiest way of getting to a specified page + var $gotoInput = $('', { + type: 'number', + min : 1, + max: H5PLibraryDetails.getNumPages(), + on: { + // Listen to blur, and the enter-key: + 'blur': pageNumerUpdated, + 'keyup': function (event) { + if (event.keyCode === 13) { + pageNumerUpdated(); + } + } + } + }).css({width: width}); + var $goto = $('', { + 'class': 'h5p-pager-goto' + }).css({width: width}).append($gotoInput).insertAfter(H5PLibraryDetails.$pagerInfo); + + $gotoInput.focus(); + }); + + H5PLibraryDetails.updatePager(); + }; + + /** + * Calculates number of pages + */ + H5PLibraryDetails.getNumPages = function () { + return Math.ceil(H5PLibraryDetails.currentContent.length / H5PLibraryDetails.PAGER_SIZE); + }; + + /** + * Update the pager text, and enables/disables the next and previous buttons as needed + */ + H5PLibraryDetails.updatePager = function () { + H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'}); + + if (H5PLibraryDetails.getNumPages() > 0) { + var message = H5PUtils.translateReplace(H5PLibraryDetails.library.translations.pageXOfY, { + '$x': (H5PLibraryDetails.currentPage+1), + '$y': H5PLibraryDetails.getNumPages() + }); + H5PLibraryDetails.$pagerInfo.html(message); + } + else { + H5PLibraryDetails.$pagerInfo.html(''); + } + + H5PLibraryDetails.$previous.toggleClass('disabled', H5PLibraryDetails.currentPage <= 0); + H5PLibraryDetails.$next.toggleClass('disabled', H5PLibraryDetails.currentContent.length < (H5PLibraryDetails.currentPage+1)*H5PLibraryDetails.PAGER_SIZE); + }; + + /** + * Creates the search element + */ + H5PLibraryDetails.createSearchElement = function () { + + H5PLibraryDetails.$search = $('
      '); + + var performSeach = function () { + var searchString = $('.h5p-content-search > input').val(); + + // If search string same as previous, just do nothing + if (H5PLibraryDetails.currentFilter === searchString) { + return; + } + + if (searchString.trim().length === 0) { + // If empty search, use the complete list + H5PLibraryDetails.currentContent = H5PLibraryDetails.library.content; + } + else if (H5PLibraryDetails.filterCache[searchString]) { + // If search is cached, no need to filter + H5PLibraryDetails.currentContent = H5PLibraryDetails.filterCache[searchString]; + } + else { + var listToFilter = H5PLibraryDetails.library.content; + + // Check if we can filter the already filtered results (for performance) + if (searchString.length > 1 && H5PLibraryDetails.currentFilter === searchString.substr(0, H5PLibraryDetails.currentFilter.length)) { + listToFilter = H5PLibraryDetails.currentContent; + } + H5PLibraryDetails.currentContent = $.grep(listToFilter, function (content) { + return content.title && content.title.match(new RegExp(searchString, 'i')); + }); + } + + H5PLibraryDetails.currentFilter = searchString; + // Cache the current result + H5PLibraryDetails.filterCache[searchString] = H5PLibraryDetails.currentContent; + H5PLibraryDetails.currentPage = 0; + H5PLibraryDetails.createContentTable(); + + // Display search results: + if (H5PLibraryDetails.$searchResults) { + H5PLibraryDetails.$searchResults.remove(); + } + if (searchString.trim().length > 0) { + H5PLibraryDetails.$searchResults = $('' + H5PLibraryDetails.currentContent.length + ' hits on ' + H5PLibraryDetails.currentFilter + ''); + H5PLibraryDetails.$search.append(H5PLibraryDetails.$searchResults); + } + H5PLibraryDetails.updatePager(); + }; + + var inputTimer; + $('input', H5PLibraryDetails.$search).on('change keypress paste input', function () { + // Here we start the filtering + // We wait at least 500 ms after last input to perform search + if (inputTimer) { + clearTimeout(inputTimer); + } + + inputTimer = setTimeout( function () { + performSeach(); + }, 500); + }); + + H5PLibraryDetails.$content.append(H5PLibraryDetails.$search); + }; + + /** + * Creates the page size selector + */ + H5PLibraryDetails.createPageSizeSelector = function () { + H5PLibraryDetails.$search.append('
      ' + H5PLibraryDetails.library.translations.pageSizeSelectorLabel + ':102050100200
      '); + + // Listen to clicks on the page size selector: + $('.h5p-admin-pager-size-selector > span', H5PLibraryDetails.$search).on('click', function () { + H5PLibraryDetails.PAGER_SIZE = $(this).data('page-size'); + $('.h5p-admin-pager-size-selector > span', H5PLibraryDetails.$search).removeClass('selected'); + $(this).addClass('selected'); + H5PLibraryDetails.currentPage = 0; + H5PLibraryDetails.createContentTable(); + H5PLibraryDetails.updatePager(); + }); + }; + + // Initialize me: + $(document).ready(function () { + if (!H5PLibraryDetails.initialized) { + H5PLibraryDetails.initialized = true; + H5PLibraryDetails.init(); + } + }); + +})(H5P.jQuery); diff --git a/apps/server/static-assets/h5p/core/js/h5p-library-list.js b/apps/server/static-assets/h5p/core/js/h5p-library-list.js new file mode 100644 index 00000000000..344b7367234 --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-library-list.js @@ -0,0 +1,140 @@ +/* global H5PAdminIntegration H5PUtils */ +var H5PLibraryList = H5PLibraryList || {}; + +(function ($) { + + /** + * Initializing + */ + H5PLibraryList.init = function () { + var $adminContainer = H5P.jQuery(H5PAdminIntegration.containerSelector).html(''); + + var libraryList = H5PAdminIntegration.libraryList; + if (libraryList.notCached) { + $adminContainer.append(H5PUtils.getRebuildCache(libraryList.notCached)); + } + + // Create library list + $adminContainer.append(H5PLibraryList.createLibraryList(H5PAdminIntegration.libraryList)); + }; + + /** + * Create the library list + * + * @param {object} libraries List of libraries and headers + */ + H5PLibraryList.createLibraryList = function (libraries) { + var t = H5PAdminIntegration.l10n; + if (libraries.listData === undefined || libraries.listData.length === 0) { + return $('
      ' + t.NA + '
      '); + } + + // Create table + var $table = H5PUtils.createTable(libraries.listHeaders); + $table.addClass('libraries'); + + // Add libraries + $.each (libraries.listData, function (index, library) { + var $libraryRow = H5PUtils.createTableRow([ + library.title, + '', + { + text: library.numContent, + class: 'h5p-admin-center' + }, + { + text: library.numContentDependencies, + class: 'h5p-admin-center' + }, + { + text: library.numLibraryDependencies, + class: 'h5p-admin-center' + }, + '
      ' + + '' + + (library.detailsUrl ? '' : '') + + (library.deleteUrl ? '' : '') + + '
      ' + ]); + + H5PLibraryList.addRestricted($('.h5p-admin-restricted', $libraryRow), library.restrictedUrl, library.restricted); + + var hasContent = !(library.numContent === '' || library.numContent === 0); + if (library.upgradeUrl === null) { + $('.h5p-admin-upgrade-library', $libraryRow).remove(); + } + else if (library.upgradeUrl === false || !hasContent) { + $('.h5p-admin-upgrade-library', $libraryRow).attr('disabled', true); + } + else { + $('.h5p-admin-upgrade-library', $libraryRow).attr('title', t.upgradeLibrary).click(function () { + window.location.href = library.upgradeUrl; + }); + } + + // Open details view when clicked + $('.h5p-admin-view-library', $libraryRow).on('click', function () { + window.location.href = library.detailsUrl; + }); + + var $deleteButton = $('.h5p-admin-delete-library', $libraryRow); + if (libraries.notCached !== undefined || + hasContent || + (library.numContentDependencies !== '' && + library.numContentDependencies !== 0) || + (library.numLibraryDependencies !== '' && + library.numLibraryDependencies !== 0)) { + // Disabled delete if content. + $deleteButton.attr('disabled', true); + } + else { + // Go to delete page om click. + $deleteButton.attr('title', t.deleteLibrary).on('click', function () { + window.location.href = library.deleteUrl; + }); + } + + $table.append($libraryRow); + }); + + return $table; + }; + + H5PLibraryList.addRestricted = function ($checkbox, url, selected) { + if (selected === null) { + $checkbox.remove(); + } + else { + $checkbox.change(function () { + $checkbox.attr('disabled', true); + + $.ajax({ + dataType: 'json', + url: url, + cache: false + }).fail(function () { + $checkbox.attr('disabled', false); + + // Reset + $checkbox.attr('checked', !$checkbox.is(':checked')); + }).done(function (result) { + url = result.url; + $checkbox.attr('disabled', false); + }); + }); + + if (selected) { + $checkbox.attr('checked', true); + } + } + }; + + // Initialize me: + $(document).ready(function () { + if (!H5PLibraryList.initialized) { + H5PLibraryList.initialized = true; + H5PLibraryList.init(); + } + }); + +})(H5P.jQuery); diff --git a/apps/server/static-assets/h5p/core/js/h5p-resizer.js b/apps/server/static-assets/h5p/core/js/h5p-resizer.js new file mode 100644 index 00000000000..ed78724ec1a --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-resizer.js @@ -0,0 +1,131 @@ +// H5P iframe Resizer +(function () { + if (!window.postMessage || !window.addEventListener || window.h5pResizerInitialized) { + return; // Not supported + } + window.h5pResizerInitialized = true; + + // Map actions to handlers + var actionHandlers = {}; + + /** + * Prepare iframe resize. + * + * @private + * @param {Object} iframe Element + * @param {Object} data Payload + * @param {Function} respond Send a response to the iframe + */ + actionHandlers.hello = function (iframe, data, respond) { + // Make iframe responsive + iframe.style.width = '100%'; + + // Bugfix for Chrome: Force update of iframe width. If this is not done the + // document size may not be updated before the content resizes. + iframe.getBoundingClientRect(); + + // Tell iframe that it needs to resize when our window resizes + var resize = function () { + if (iframe.contentWindow) { + // Limit resize calls to avoid flickering + respond('resize'); + } + else { + // Frame is gone, unregister. + window.removeEventListener('resize', resize); + } + }; + window.addEventListener('resize', resize, false); + + // Respond to let the iframe know we can resize it + respond('hello'); + }; + + /** + * Prepare iframe resize. + * + * @private + * @param {Object} iframe Element + * @param {Object} data Payload + * @param {Function} respond Send a response to the iframe + */ + actionHandlers.prepareResize = function (iframe, data, respond) { + // Do not resize unless page and scrolling differs + if (iframe.clientHeight !== data.scrollHeight || + data.scrollHeight !== data.clientHeight) { + + // Reset iframe height, in case content has shrinked. + iframe.style.height = data.clientHeight + 'px'; + respond('resizePrepared'); + } + }; + + /** + * Resize parent and iframe to desired height. + * + * @private + * @param {Object} iframe Element + * @param {Object} data Payload + * @param {Function} respond Send a response to the iframe + */ + actionHandlers.resize = function (iframe, data) { + // Resize iframe so all content is visible. Use scrollHeight to make sure we get everything + iframe.style.height = data.scrollHeight + 'px'; + }; + + /** + * Keyup event handler. Exits full screen on escape. + * + * @param {Event} event + */ + var escape = function (event) { + if (event.keyCode === 27) { + exitFullScreen(); + } + }; + + // Listen for messages from iframes + window.addEventListener('message', function receiveMessage(event) { + if (event.data.context !== 'h5p') { + return; // Only handle h5p requests. + } + + // Find out who sent the message + var iframe, iframes = document.getElementsByTagName('iframe'); + for (var i = 0; i < iframes.length; i++) { + if (iframes[i].contentWindow === event.source) { + iframe = iframes[i]; + break; + } + } + + if (!iframe) { + return; // Cannot find sender + } + + // Find action handler handler + if (actionHandlers[event.data.action]) { + actionHandlers[event.data.action](iframe, event.data, function respond(action, data) { + if (data === undefined) { + data = {}; + } + data.action = action; + data.context = 'h5p'; + event.source.postMessage(data, event.origin); + }); + } + }, false); + + // Let h5p iframes know we're ready! + var iframes = document.getElementsByTagName('iframe'); + var ready = { + context: 'h5p', + action: 'ready' + }; + for (var i = 0; i < iframes.length; i++) { + if (iframes[i].src.indexOf('h5p') !== -1) { + iframes[i].contentWindow.postMessage(ready, '*'); + } + } + +})(); diff --git a/apps/server/static-assets/h5p/core/js/h5p-utils.js b/apps/server/static-assets/h5p/core/js/h5p-utils.js new file mode 100644 index 00000000000..b5aa3334e0e --- /dev/null +++ b/apps/server/static-assets/h5p/core/js/h5p-utils.js @@ -0,0 +1,506 @@ +/* global H5PAdminIntegration*/ +var H5PUtils = H5PUtils || {}; + +(function ($) { + /** + * Generic function for creating a table including the headers + * + * @param {array} headers List of headers + */ + H5PUtils.createTable = function (headers) { + var $table = $('
      '); + + if (headers) { + var $thead = $(''); + var $tr = $(''); + + $.each(headers, function (index, value) { + if (!(value instanceof Object)) { + value = { + html: value + }; + } + + $('', value).appendTo($tr); + }); + + $table.append($thead.append($tr)); + } + + return $table; + }; + + /** + * Generic function for creating a table row + * + * @param {array} rows Value list. Object name is used as class name in + */ + H5PUtils.createTableRow = function (rows) { + var $tr = $(''); + + $.each(rows, function (index, value) { + if (!(value instanceof Object)) { + value = { + html: value + }; + } + + $('', value).appendTo($tr); + }); + + return $tr; + }; + + /** + * Generic function for creating a field containing label and value + * + * @param {string} label The label displayed in front of the value + * @param {string} value The value + */ + H5PUtils.createLabeledField = function (label, value) { + var $field = $('
      '); + + $field.append('
      ' + label + '
      '); + $field.append('
      ' + value + '
      '); + + return $field; + }; + + /** + * Replaces placeholder fields in translation strings + * + * @param {string} template The translation template string in the following format: "$name is a $sex" + * @param {array} replacors An js object with key and values. Eg: {'$name': 'Frode', '$sex': 'male'} + */ + H5PUtils.translateReplace = function (template, replacors) { + $.each(replacors, function (key, value) { + template = template.replace(new RegExp('\\'+key, 'g'), value); + }); + return template; + }; + + /** + * Get throbber with given text. + * + * @param {String} text + * @returns {$} + */ + H5PUtils.throbber = function (text) { + return $('
      ', { + class: 'h5p-throbber', + text: text + }); + }; + + /** + * Makes it possbile to rebuild all content caches from admin UI. + * @param {Object} notCached + * @returns {$} + */ + H5PUtils.getRebuildCache = function (notCached) { + var $container = $('

      ' + notCached.message + '

      ' + notCached.progress + '

      '); + var $button = $('').appendTo($container).click(function () { + var $spinner = $('
      ', {class: 'h5p-spinner'}).replaceAll($button); + var parts = ['|', '/', '-', '\\']; + var current = 0; + var spinning = setInterval(function () { + $spinner.text(parts[current]); + current++; + if (current === parts.length) current = 0; + }, 100); + + var $counter = $container.find('.progress'); + var build = function () { + $.post(notCached.url, function (left) { + if (left === '0') { + clearInterval(spinning); + $container.remove(); + location.reload(); + } + else { + var counter = $counter.text().split(' '); + counter[0] = left; + $counter.text(counter.join(' ')); + build(); + } + }); + }; + build(); + }); + + return $container; + }; + + /** + * Generic table class with useful helpers. + * + * @class + * @param {Object} classes + * Custom html classes to use on elements. + * e.g. {tableClass: 'fixed'}. + */ + H5PUtils.Table = function (classes) { + var numCols; + var sortByCol; + var $sortCol; + var sortCol; + var sortDir; + + // Create basic table + var tableOptions = {}; + if (classes.table !== undefined) { + tableOptions['class'] = classes.table; + } + var $table = $('', tableOptions); + var $thead = $('').appendTo($table); + var $tfoot = $('').appendTo($table); + var $tbody = $('').appendTo($table); + + /** + * Add columns to given table row. + * + * @private + * @param {jQuery} $tr Table row + * @param {(String|Object)} col Column properties + * @param {Number} id Used to seperate the columns + */ + var addCol = function ($tr, col, id) { + var options = { + on: {} + }; + + if (!(col instanceof Object)) { + options.text = col; + } + else { + if (col.text !== undefined) { + options.text = col.text; + } + if (col.class !== undefined) { + options.class = col.class; + } + + if (sortByCol !== undefined && col.sortable === true) { + // Make sortable + options.role = 'button'; + options.tabIndex = 0; + + // This is the first sortable column, use as default sort + if (sortCol === undefined) { + sortCol = id; + sortDir = 0; + } + + // This is the sort column + if (sortCol === id) { + options['class'] = 'h5p-sort'; + if (sortDir === 1) { + options['class'] += ' h5p-reverse'; + } + } + + options.on.click = function () { + sort($th, id); + }; + options.on.keypress = function (event) { + if ((event.charCode || event.keyCode) === 32) { // Space + sort($th, id); + } + }; + } + } + + // Append + var $th = $(''); + var $tr = $('').appendTo($newThead); + for (var i = 0; i < cols.length; i++) { + addCol($tr, cols[i], i); + } + + // Update DOM + $thead.replaceWith($newThead); + $thead = $newThead; + }; + + /** + * Set table rows. + * + * @public + * @param {Array} rows Table rows with cols: [[1,'hello',3],[2,'asd',6]] + */ + this.setRows = function (rows) { + var $newTbody = $(''); + + for (var i = 0; i < rows.length; i++) { + var $tr = $('').appendTo($newTbody); + + for (var j = 0; j < rows[i].length; j++) { + $(''); + var $tr = $('').appendTo($newTbody); + $(''); + var $tr = $('').appendTo($newTfoot); + $('\s*$/g,At={option:[1,""],legend:[1,"
      ","
      "],area:[1,"",""],param:[1,"",""],thead:[1,"
      ', options).appendTo($tr); + if (sortCol === id) { + $sortCol = $th; // Default sort column + } + }; + + /** + * Updates the UI when a column header has been clicked. + * Triggers sorting callback. + * + * @private + * @param {jQuery} $th Table header + * @param {Number} id Used to seperate the columns + */ + var sort = function ($th, id) { + if (id === sortCol) { + // Change sorting direction + if (sortDir === 0) { + sortDir = 1; + $th.addClass('h5p-reverse'); + } + else { + sortDir = 0; + $th.removeClass('h5p-reverse'); + } + } + else { + // Change sorting column + $sortCol.removeClass('h5p-sort').removeClass('h5p-reverse'); + $sortCol = $th.addClass('h5p-sort'); + sortCol = id; + sortDir = 0; + } + + sortByCol({ + by: sortCol, + dir: sortDir + }); + }; + + /** + * Set table headers. + * + * @public + * @param {Array} cols + * Table header data. Can be strings or objects with options like + * "text" and "sortable". E.g. + * [{text: 'Col 1', sortable: true}, 'Col 2', 'Col 3'] + * @param {Function} sort Callback which is runned when sorting changes + * @param {Object} [order] + */ + this.setHeaders = function (cols, sort, order) { + numCols = cols.length; + sortByCol = sort; + + if (order) { + sortCol = order.by; + sortDir = order.dir; + } + + // Create new head + var $newThead = $('
      ', { + html: rows[i][j] + }).appendTo($tr); + } + } + + $tbody.replaceWith($newTbody); + $tbody = $newTbody; + + return $tbody; + }; + + /** + * Set custom table body content. This can be a message or a throbber. + * Will cover all table columns. + * + * @public + * @param {jQuery} $content Custom content + */ + this.setBody = function ($content) { + var $newTbody = $('
      ', { + colspan: numCols + }).append($content).appendTo($tr); + $tbody.replaceWith($newTbody); + $tbody = $newTbody; + }; + + /** + * Set custom table foot content. This can be a pagination widget. + * Will cover all table columns. + * + * @public + * @param {jQuery} $content Custom content + */ + this.setFoot = function ($content) { + var $newTfoot = $('
      ', { + colspan: numCols + }).append($content).appendTo($tr); + $tfoot.replaceWith($newTfoot); + }; + + + /** + * Appends the table to the given container. + * + * @public + * @param {jQuery} $container + */ + this.appendTo = function ($container) { + $table.appendTo($container); + }; + }; + + /** + * Generic pagination class. Creates a useful pagination widget. + * + * @class + * @param {Number} num Total number of items to pagiate. + * @param {Number} limit Number of items to dispaly per page. + * @param {Function} goneTo + * Callback which is fired when the user wants to go to another page. + * @param {Object} l10n + * Localization / translations. e.g. + * { + * currentPage: 'Page $current of $total', + * nextPage: 'Next page', + * previousPage: 'Previous page' + * } + */ + H5PUtils.Pagination = function (num, limit, goneTo, l10n) { + var current = 0; + var pages = Math.ceil(num / limit); + + // Create components + + // Previous button + var $left = $(''; + } + if (contentData.displayOptions.export && contentData.displayOptions.copy) { + html += '
      or
      '; + } + if (contentData.displayOptions.copy) { + html += ''; + } + + const dialog = new H5P.Dialog('reuse', H5P.t('reuseContent'), html, $element); + + // Selecting embed code when dialog is opened + H5P.jQuery(dialog).on('dialog-opened', function (e, $dialog) { + H5P.jQuery('More Info').click(function (e) { + e.stopPropagation(); + }).appendTo($dialog.find('h2')); + $dialog.find('.h5p-download-button').click(function () { + window.location.href = contentData.exportUrl; + instance.triggerXAPI('downloaded'); + dialog.close(); + }); + $dialog.find('.h5p-copy-button').click(function () { + const item = new H5P.ClipboardItem(library); + item.contentId = contentId; + H5P.setClipboard(item); + instance.triggerXAPI('copied'); + dialog.close(); + H5P.attachToastTo( + H5P.jQuery('.h5p-content:first')[0], + H5P.t('contentCopied'), + { + position: { + horizontal: 'centered', + vertical: 'centered', + noOverflowX: true + } + } + ); + }); + H5P.trigger(instance, 'resize'); + }).on('dialog-closed', function () { + H5P.trigger(instance, 'resize'); + }); + + dialog.open(); +}; + +/** + * Display a dialog containing the embed code. + * + * @param {H5P.jQuery} $element + * Element to insert dialog after. + * @param {string} embedCode + * The embed code. + * @param {string} resizeCode + * The advanced resize code + * @param {Object} size + * The content's size. + * @param {number} size.width + * @param {number} size.height + */ +H5P.openEmbedDialog = function ($element, embedCode, resizeCode, size, instance) { + var fullEmbedCode = embedCode + resizeCode; + var dialog = new H5P.Dialog('embed', H5P.t('embed'), '' + H5P.t('size') + ': × px
      ' + H5P.t('showAdvanced') + '

      ' + H5P.t('advancedHelp') + '

      ', $element); + + // Selecting embed code when dialog is opened + H5P.jQuery(dialog).on('dialog-opened', function (event, $dialog) { + var $inner = $dialog.find('.h5p-inner'); + var $scroll = $inner.find('.h5p-scroll-content'); + var diff = $scroll.outerHeight() - $scroll.innerHeight(); + var positionInner = function () { + H5P.trigger(instance, 'resize'); + }; + + // Handle changing of width/height + var $w = $dialog.find('.h5p-embed-size:eq(0)'); + var $h = $dialog.find('.h5p-embed-size:eq(1)'); + var getNum = function ($e, d) { + var num = parseFloat($e.val()); + if (isNaN(num)) { + return d; + } + return Math.ceil(num); + }; + var updateEmbed = function () { + $dialog.find('.h5p-embed-code-container:first').val(fullEmbedCode.replace(':w', getNum($w, size.width)).replace(':h', getNum($h, size.height))); + }; + + $w.change(updateEmbed); + $h.change(updateEmbed); + updateEmbed(); + + // Select text and expand textareas + $dialog.find('.h5p-embed-code-container').each(function () { + H5P.jQuery(this).css('height', this.scrollHeight + 'px').focus(function () { + H5P.jQuery(this).select(); + }); + }); + $dialog.find('.h5p-embed-code-container').eq(0).select(); + positionInner(); + + // Expand advanced embed + var expand = function () { + var $expander = H5P.jQuery(this); + var $content = $expander.next(); + if ($content.is(':visible')) { + $expander.removeClass('h5p-open').text(H5P.t('showAdvanced')).attr('aria-expanded', 'true'); + $content.hide(); + } + else { + $expander.addClass('h5p-open').text(H5P.t('hideAdvanced')).attr('aria-expanded', 'false'); + $content.show(); + } + $dialog.find('.h5p-embed-code-container').each(function () { + H5P.jQuery(this).css('height', this.scrollHeight + 'px'); + }); + positionInner(); + }; + $dialog.find('.h5p-expander').click(expand).keypress(function (event) { + if (event.keyCode === 32) { + expand.apply(this); + return false; + } + }); + }).on('dialog-closed', function () { + H5P.trigger(instance, 'resize'); + }); + + dialog.open(); +}; + +/** + * Show a toast message. + * + * The reference element could be dom elements the toast should be attached to, + * or e.g. the document body for general toast messages. + * + * @param {DOM} element Reference element to show toast message for. + * @param {string} message Message to show. + * @param {object} [config] Configuration. + * @param {string} [config.style=h5p-toast] Style name for the tooltip. + * @param {number} [config.duration=3000] Toast message length in ms. + * @param {object} [config.position] Relative positioning of the toast. + * @param {string} [config.position.horizontal=centered] [before|left|centered|right|after]. + * @param {string} [config.position.vertical=below] [above|top|centered|bottom|below]. + * @param {number} [config.position.offsetHorizontal=0] Extra horizontal offset. + * @param {number} [config.position.offsetVertical=0] Extra vetical offset. + * @param {boolean} [config.position.noOverflowLeft=false] True to prevent overflow left. + * @param {boolean} [config.position.noOverflowRight=false] True to prevent overflow right. + * @param {boolean} [config.position.noOverflowTop=false] True to prevent overflow top. + * @param {boolean} [config.position.noOverflowBottom=false] True to prevent overflow bottom. + * @param {boolean} [config.position.noOverflowX=false] True to prevent overflow left and right. + * @param {boolean} [config.position.noOverflowY=false] True to prevent overflow top and bottom. + * @param {object} [config.position.overflowReference=document.body] DOM reference for overflow. + */ +H5P.attachToastTo = function (element, message, config) { + if (element === undefined || message === undefined) { + return; + } + + const eventPath = function (evt) { + var path = (evt.composedPath && evt.composedPath()) || evt.path; + var target = evt.target; + + if (path != null) { + // Safari doesn't include Window, but it should. + return (path.indexOf(window) < 0) ? path.concat(window) : path; + } + + if (target === window) { + return [window]; + } + + function getParents(node, memo) { + memo = memo || []; + var parentNode = node.parentNode; + + if (!parentNode) { + return memo; + } + else { + return getParents(parentNode, memo.concat(parentNode)); + } + } + + return [target].concat(getParents(target), window); + }; + + /** + * Handle click while toast is showing. + */ + const clickHandler = function (event) { + /* + * A common use case will be to attach toasts to buttons that are clicked. + * The click would remove the toast message instantly without this check. + * Children of the clicked element are also ignored. + */ + var path = eventPath(event); + if (path.indexOf(element) !== -1) { + return; + } + clearTimeout(timer); + removeToast(); + }; + + + + /** + * Remove the toast message. + */ + const removeToast = function () { + document.removeEventListener('click', clickHandler); + if (toast.parentNode) { + toast.parentNode.removeChild(toast); + } + }; + + /** + * Get absolute coordinates for the toast. + * + * @param {DOM} element Reference element to show toast message for. + * @param {DOM} toast Toast element. + * @param {object} [position={}] Relative positioning of the toast message. + * @param {string} [position.horizontal=centered] [before|left|centered|right|after]. + * @param {string} [position.vertical=below] [above|top|centered|bottom|below]. + * @param {number} [position.offsetHorizontal=0] Extra horizontal offset. + * @param {number} [position.offsetVertical=0] Extra vetical offset. + * @param {boolean} [position.noOverflowLeft=false] True to prevent overflow left. + * @param {boolean} [position.noOverflowRight=false] True to prevent overflow right. + * @param {boolean} [position.noOverflowTop=false] True to prevent overflow top. + * @param {boolean} [position.noOverflowBottom=false] True to prevent overflow bottom. + * @param {boolean} [position.noOverflowX=false] True to prevent overflow left and right. + * @param {boolean} [position.noOverflowY=false] True to prevent overflow top and bottom. + * @return {object} + */ + const getToastCoordinates = function (element, toast, position) { + position = position || {}; + position.offsetHorizontal = position.offsetHorizontal || 0; + position.offsetVertical = position.offsetVertical || 0; + + const toastRect = toast.getBoundingClientRect(); + const elementRect = element.getBoundingClientRect(); + + let left = 0; + let top = 0; + + // Compute horizontal position + switch (position.horizontal) { + case 'before': + left = elementRect.left - toastRect.width - position.offsetHorizontal; + break; + case 'after': + left = elementRect.left + elementRect.width + position.offsetHorizontal; + break; + case 'left': + left = elementRect.left + position.offsetHorizontal; + break; + case 'right': + left = elementRect.left + elementRect.width - toastRect.width - position.offsetHorizontal; + break; + case 'centered': + left = elementRect.left + elementRect.width / 2 - toastRect.width / 2 + position.offsetHorizontal; + break; + default: + left = elementRect.left + elementRect.width / 2 - toastRect.width / 2 + position.offsetHorizontal; + } + + // Compute vertical position + switch (position.vertical) { + case 'above': + top = elementRect.top - toastRect.height - position.offsetVertical; + break; + case 'below': + top = elementRect.top + elementRect.height + position.offsetVertical; + break; + case 'top': + top = elementRect.top + position.offsetVertical; + break; + case 'bottom': + top = elementRect.top + elementRect.height - toastRect.height - position.offsetVertical; + break; + case 'centered': + top = elementRect.top + elementRect.height / 2 - toastRect.height / 2 + position.offsetVertical; + break; + default: + top = elementRect.top + elementRect.height + position.offsetVertical; + } + + // Prevent overflow + const overflowElement = document.body; + const bounds = overflowElement.getBoundingClientRect(); + if ((position.noOverflowLeft || position.noOverflowX) && (left < bounds.x)) { + left = bounds.x; + } + if ((position.noOverflowRight || position.noOverflowX) && ((left + toastRect.width) > (bounds.x + bounds.width))) { + left = bounds.x + bounds.width - toastRect.width; + } + if ((position.noOverflowTop || position.noOverflowY) && (top < bounds.y)) { + top = bounds.y; + } + if ((position.noOverflowBottom || position.noOverflowY) && ((top + toastRect.height) > (bounds.y + bounds.height))) { + left = bounds.y + bounds.height - toastRect.height; + } + + return {left: left, top: top}; + }; + + // Sanitization + config = config || {}; + config.style = config.style || 'h5p-toast'; + config.duration = config.duration || 3000; + + // Build toast + const toast = document.createElement('div'); + toast.setAttribute('id', config.style); + toast.classList.add('h5p-toast-disabled'); + toast.classList.add(config.style); + + const msg = document.createElement('span'); + msg.innerHTML = message; + toast.appendChild(msg); + + document.body.appendChild(toast); + + // The message has to be set before getting the coordinates + const coordinates = getToastCoordinates(element, toast, config.position); + toast.style.left = Math.round(coordinates.left) + 'px'; + toast.style.top = Math.round(coordinates.top) + 'px'; + + toast.classList.remove('h5p-toast-disabled'); + const timer = setTimeout(removeToast, config.duration); + + // The toast can also be removed by clicking somewhere + document.addEventListener('click', clickHandler); +}; + +/** + * Copyrights for a H5P Content Library. + * + * @class + */ +H5P.ContentCopyrights = function () { + var label; + var media = []; + var content = []; + + /** + * Set label. + * + * @param {string} newLabel + */ + this.setLabel = function (newLabel) { + label = newLabel; + }; + + /** + * Add sub content. + * + * @param {H5P.MediaCopyright} newMedia + */ + this.addMedia = function (newMedia) { + if (newMedia !== undefined) { + media.push(newMedia); + } + }; + + /** + * Add sub content in front. + * + * @param {H5P.MediaCopyright} newMedia + */ + this.addMediaInFront = function (newMedia) { + if (newMedia !== undefined) { + media.unshift(newMedia); + } + }; + + /** + * Add sub content. + * + * @param {H5P.ContentCopyrights} newContent + */ + this.addContent = function (newContent) { + if (newContent !== undefined) { + content.push(newContent); + } + }; + + /** + * Print content copyright. + * + * @returns {string} HTML. + */ + this.toString = function () { + var html = ''; + + // Add media rights + for (var i = 0; i < media.length; i++) { + html += media[i]; + } + + // Add sub content rights + for (i = 0; i < content.length; i++) { + html += content[i]; + } + + + if (html !== '') { + // Add a label to this info + if (label !== undefined) { + html = '

      ' + label + '

      ' + html; + } + + // Add wrapper + html = '
      ' + html + '
      '; + } + + return html; + }; +}; + +/** + * A ordered list of copyright fields for media. + * + * @class + * @param {Object} copyright + * Copyright information fields. + * @param {Object} [labels] + * Translation of labels. + * @param {Array} [order] + * Order of the fields. + * @param {Object} [extraFields] + * Add extra copyright fields. + */ +H5P.MediaCopyright = function (copyright, labels, order, extraFields) { + var thumbnail; + var list = new H5P.DefinitionList(); + + /** + * Get translated label for field. + * + * @private + * @param {string} fieldName + * @returns {string} + */ + var getLabel = function (fieldName) { + if (labels === undefined || labels[fieldName] === undefined) { + return H5P.t(fieldName); + } + + return labels[fieldName]; + }; + + /** + * Get humanized value for the license field. + * + * @private + * @param {string} license + * @param {string} [version] + * @returns {string} + */ + var humanizeLicense = function (license, version) { + var copyrightLicense = H5P.copyrightLicenses[license]; + + // Build license string + var value = ''; + if (!(license === 'PD' && version)) { + // Add license label + value += (copyrightLicense.hasOwnProperty('label') ? copyrightLicense.label : copyrightLicense); + } + + // Check for version info + var versionInfo; + if (copyrightLicense.versions) { + if (copyrightLicense.versions.default && (!version || !copyrightLicense.versions[version])) { + version = copyrightLicense.versions.default; + } + if (version && copyrightLicense.versions[version]) { + versionInfo = copyrightLicense.versions[version]; + } + } + + if (versionInfo) { + // Add license version + if (value) { + value += ' '; + } + value += (versionInfo.hasOwnProperty('label') ? versionInfo.label : versionInfo); + } + + // Add link if specified + var link; + if (copyrightLicense.hasOwnProperty('link')) { + link = copyrightLicense.link.replace(':version', copyrightLicense.linkVersions ? copyrightLicense.linkVersions[version] : version); + } + else if (versionInfo && copyrightLicense.hasOwnProperty('link')) { + link = versionInfo.link; + } + if (link) { + value = '' + value + ''; + } + + // Generate parenthesis + var parenthesis = ''; + if (license !== 'PD' && license !== 'C') { + parenthesis += license; + } + if (version && version !== 'CC0 1.0') { + if (parenthesis && license !== 'GNU GPL') { + parenthesis += ' '; + } + parenthesis += version; + } + if (parenthesis) { + value += ' (' + parenthesis + ')'; + } + if (license === 'C') { + value += ' ©'; + } + + return value; + }; + + if (copyright !== undefined) { + // Add the extra fields + for (var field in extraFields) { + if (extraFields.hasOwnProperty(field)) { + copyright[field] = extraFields[field]; + } + } + + if (order === undefined) { + // Set default order + order = ['contentType', 'title', 'license', 'author', 'year', 'source', 'licenseExtras', 'changes']; + } + + for (var i = 0; i < order.length; i++) { + var fieldName = order[i]; + if (copyright[fieldName] !== undefined && copyright[fieldName] !== '') { + var humanValue = copyright[fieldName]; + if (fieldName === 'license') { + humanValue = humanizeLicense(copyright.license, copyright.version); + } + if (fieldName === 'source') { + humanValue = (humanValue) ? '' + humanValue + '' : undefined; + } + list.add(new H5P.Field(getLabel(fieldName), humanValue)); + } + } + } + + /** + * Set thumbnail. + * + * @param {H5P.Thumbnail} newThumbnail + */ + this.setThumbnail = function (newThumbnail) { + thumbnail = newThumbnail; + }; + + /** + * Checks if this copyright is undisclosed. + * I.e. only has the license attribute set, and it's undisclosed. + * + * @returns {boolean} + */ + this.undisclosed = function () { + if (list.size() === 1) { + var field = list.get(0); + if (field.getLabel() === getLabel('license') && field.getValue() === humanizeLicense('U')) { + return true; + } + } + return false; + }; + + /** + * Print media copyright. + * + * @returns {string} HTML. + */ + this.toString = function () { + var html = ''; + + if (this.undisclosed()) { + return html; // No need to print a copyright with a single undisclosed license. + } + + if (thumbnail !== undefined) { + html += thumbnail; + } + html += list; + + if (html !== '') { + html = '
      ' + html + '
      '; + } + + return html; + }; +}; + +/** + * A simple and elegant class for creating thumbnails of images. + * + * @class + * @param {string} source + * @param {number} width + * @param {number} height + */ +H5P.Thumbnail = function (source, width, height) { + var thumbWidth, thumbHeight = 100; + if (width !== undefined) { + thumbWidth = Math.round(thumbHeight * (width / height)); + } + + /** + * Print thumbnail. + * + * @returns {string} HTML. + */ + this.toString = function () { + return '' + H5P.t('thumbnail') + ''; + }; +}; + +/** + * Simple data structure class for storing a single field. + * + * @class + * @param {string} label + * @param {string} value + */ +H5P.Field = function (label, value) { + /** + * Public. Get field label. + * + * @returns {String} + */ + this.getLabel = function () { + return label; + }; + + /** + * Public. Get field value. + * + * @returns {String} + */ + this.getValue = function () { + return value; + }; +}; + +/** + * Simple class for creating a definition list. + * + * @class + */ +H5P.DefinitionList = function () { + var fields = []; + + /** + * Add field to list. + * + * @param {H5P.Field} field + */ + this.add = function (field) { + fields.push(field); + }; + + /** + * Get Number of fields. + * + * @returns {number} + */ + this.size = function () { + return fields.length; + }; + + /** + * Get field at given index. + * + * @param {number} index + * @returns {H5P.Field} + */ + this.get = function (index) { + return fields[index]; + }; + + /** + * Print definition list. + * + * @returns {string} HTML. + */ + this.toString = function () { + var html = ''; + for (var i = 0; i < fields.length; i++) { + var field = fields[i]; + html += '
      ' + field.getLabel() + '
      ' + field.getValue() + '
      '; + } + return (html === '' ? html : '
      ' + html + '
      '); + }; +}; + +/** + * THIS FUNCTION/CLASS IS DEPRECATED AND WILL BE REMOVED. + * + * Helper object for keeping coordinates in the same format all over. + * + * @deprecated + * Will be removed march 2016. + * @class + * @param {number} x + * @param {number} y + * @param {number} w + * @param {number} h + */ +H5P.Coords = function (x, y, w, h) { + if ( !(this instanceof H5P.Coords) ) + return new H5P.Coords(x, y, w, h); + + /** @member {number} */ + this.x = 0; + /** @member {number} */ + this.y = 0; + /** @member {number} */ + this.w = 1; + /** @member {number} */ + this.h = 1; + + if (typeof(x) === 'object') { + this.x = x.x; + this.y = x.y; + this.w = x.w; + this.h = x.h; + } + else { + if (x !== undefined) { + this.x = x; + } + if (y !== undefined) { + this.y = y; + } + if (w !== undefined) { + this.w = w; + } + if (h !== undefined) { + this.h = h; + } + } + return this; +}; + +/** + * Parse library string into values. + * + * @param {string} library + * library in the format "machineName majorVersion.minorVersion" + * @returns {Object} + * library as an object with machineName, majorVersion and minorVersion properties + * return false if the library parameter is invalid + */ +H5P.libraryFromString = function (library) { + var regExp = /(.+)\s(\d+)\.(\d+)$/g; + var res = regExp.exec(library); + if (res !== null) { + return { + 'machineName': res[1], + 'majorVersion': parseInt(res[2]), + 'minorVersion': parseInt(res[3]) + }; + } + else { + return false; + } +}; + +/** + * Get the path to the library + * + * @param {string} library + * The library identifier in the format "machineName-majorVersion.minorVersion". + * @returns {string} + * The full path to the library. + */ +H5P.getLibraryPath = function (library) { + if (H5PIntegration.urlLibraries !== undefined) { + // This is an override for those implementations that has a different libraries URL, e.g. Moodle + return H5PIntegration.urlLibraries + '/' + library; + } + else { + return H5PIntegration.url + '/libraries/' + library; + } +}; + +/** + * Recursivly clone the given object. + * + * @param {Object|Array} object + * Object to clone. + * @param {boolean} [recursive] + * @returns {Object|Array} + * A clone of object. + */ +H5P.cloneObject = function (object, recursive) { + // TODO: Consider if this needs to be in core. Doesn't $.extend do the same? + var clone = object instanceof Array ? [] : {}; + + for (var i in object) { + if (object.hasOwnProperty(i)) { + if (recursive !== undefined && recursive && typeof object[i] === 'object') { + clone[i] = H5P.cloneObject(object[i], recursive); + } + else { + clone[i] = object[i]; + } + } + } + + return clone; +}; + +/** + * Remove all empty spaces before and after the value. + * + * @param {string} value + * @returns {string} + */ +H5P.trim = function (value) { + return value.replace(/^\s+|\s+$/g, ''); + + // TODO: Only include this or String.trim(). What is best? + // I'm leaning towards implementing the missing ones: http://kangax.github.io/compat-table/es5/ + // So should we make this function deprecated? +}; + +/** + * Check if JavaScript path/key is loaded. + * + * @param {string} path + * @returns {boolean} + */ +H5P.jsLoaded = function (path) { + H5PIntegration.loadedJs = H5PIntegration.loadedJs || []; + return H5P.jQuery.inArray(path, H5PIntegration.loadedJs) !== -1; +}; + +/** + * Check if styles path/key is loaded. + * + * @param {string} path + * @returns {boolean} + */ +H5P.cssLoaded = function (path) { + H5PIntegration.loadedCss = H5PIntegration.loadedCss || []; + return H5P.jQuery.inArray(path, H5PIntegration.loadedCss) !== -1; +}; + +/** + * Shuffle an array in place. + * + * @param {Array} array + * Array to shuffle + * @returns {Array} + * The passed array is returned for chaining. + */ +H5P.shuffleArray = function (array) { + // TODO: Consider if this should be a part of core. I'm guessing very few libraries are going to use it. + if (!(array instanceof Array)) { + return; + } + + var i = array.length, j, tempi, tempj; + if ( i === 0 ) return false; + while ( --i ) { + j = Math.floor( Math.random() * ( i + 1 ) ); + tempi = array[i]; + tempj = array[j]; + array[i] = tempj; + array[j] = tempi; + } + return array; +}; + +/** + * Post finished results for user. + * + * @deprecated + * Do not use this function directly, trigger the finish event instead. + * Will be removed march 2016 + * @param {number} contentId + * Identifies the content + * @param {number} score + * Achieved score/points + * @param {number} maxScore + * The maximum score/points that can be achieved + * @param {number} [time] + * Reported time consumption/usage + */ +H5P.setFinished = function (contentId, score, maxScore, time) { + var validScore = typeof score === 'number' || score instanceof Number; + if (validScore && H5PIntegration.postUserStatistics === true) { + /** + * Return unix timestamp for the given JS Date. + * + * @private + * @param {Date} date + * @returns {Number} + */ + var toUnix = function (date) { + return Math.round(date.getTime() / 1000); + }; + + // Post the results + const data = { + contentId: contentId, + score: score, + maxScore: maxScore, + opened: toUnix(H5P.opened[contentId]), + finished: toUnix(new Date()), + time: time + }; + H5P.jQuery.post(H5PIntegration.ajax.setFinished, data) + .fail(function () { + H5P.offlineRequestQueue.add(H5PIntegration.ajax.setFinished, data); + }); + } +}; + +// Add indexOf to browsers that lack them. (IEs) +if (!Array.prototype.indexOf) { + Array.prototype.indexOf = function (needle) { + for (var i = 0; i < this.length; i++) { + if (this[i] === needle) { + return i; + } + } + return -1; + }; +} + +// Need to define trim() since this is not available on older IEs, +// and trim is used in several libs +if (String.prototype.trim === undefined) { + String.prototype.trim = function () { + return H5P.trim(this); + }; +} + +/** + * Trigger an event on an instance + * + * Helper function that triggers an event if the instance supports event handling + * + * @param {Object} instance + * Instance of H5P content + * @param {string} eventType + * Type of event to trigger + * @param {*} data + * @param {Object} extras + */ +H5P.trigger = function (instance, eventType, data, extras) { + // Try new event system first + if (instance.trigger !== undefined) { + instance.trigger(eventType, data, extras); + } + // Try deprecated event system + else if (instance.$ !== undefined && instance.$.trigger !== undefined) { + instance.$.trigger(eventType); + } +}; + +/** + * Register an event handler + * + * Helper function that registers an event handler for an event type if + * the instance supports event handling + * + * @param {Object} instance + * Instance of H5P content + * @param {string} eventType + * Type of event to listen for + * @param {H5P.EventCallback} handler + * Callback that gets triggered for events of the specified type + */ +H5P.on = function (instance, eventType, handler) { + // Try new event system first + if (instance.on !== undefined) { + instance.on(eventType, handler); + } + // Try deprecated event system + else if (instance.$ !== undefined && instance.$.on !== undefined) { + instance.$.on(eventType, handler); + } +}; + +/** + * Generate random UUID + * + * @returns {string} UUID + */ +H5P.createUUID = function () { + return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (char) { + var random = Math.random()*16|0, newChar = char === 'x' ? random : (random&0x3|0x8); + return newChar.toString(16); + }); +}; + +/** + * Create title + * + * @param {string} rawTitle + * @param {number} maxLength + * @returns {string} + */ +H5P.createTitle = function (rawTitle, maxLength) { + if (!rawTitle) { + return ''; + } + if (maxLength === undefined) { + maxLength = 60; + } + var title = H5P.jQuery('
      ') + .text( + // Strip tags + rawTitle.replace(/(<([^>]+)>)/ig,"") + // Escape + ).text(); + if (title.length > maxLength) { + title = title.substr(0, maxLength - 3) + '...'; + } + return title; +}; + +// Wrap in privates +(function ($) { + + /** + * Creates ajax requests for inserting, updateing and deleteing + * content user data. + * + * @private + * @param {number} contentId What content to store the data for. + * @param {string} dataType Identifies the set of data for this content. + * @param {string} subContentId Identifies sub content + * @param {function} [done] Callback when ajax is done. + * @param {object} [data] To be stored for future use. + * @param {boolean} [preload=false] Data is loaded when content is loaded. + * @param {boolean} [invalidate=false] Data is invalidated when content changes. + * @param {boolean} [async=true] + */ + function contentUserDataAjax(contentId, dataType, subContentId, done, data, preload, invalidate, async) { + if (H5PIntegration.user === undefined) { + // Not logged in, no use in saving. + done('Not signed in.'); + return; + } + + var options = { + url: H5PIntegration.ajax.contentUserData.replace(':contentId', contentId).replace(':dataType', dataType).replace(':subContentId', subContentId ? subContentId : 0), + dataType: 'json', + async: async === undefined ? true : async + }; + if (data !== undefined) { + options.type = 'POST'; + options.data = { + data: (data === null ? 0 : data), + preload: (preload ? 1 : 0), + invalidate: (invalidate ? 1 : 0) + }; + } + else { + options.type = 'GET'; + } + if (done !== undefined) { + options.error = function (xhr, error) { + done(error); + }; + options.success = function (response) { + if (!response.success) { + done(response.message); + return; + } + + if (response.data === false || response.data === undefined) { + done(); + return; + } + + done(undefined, response.data); + }; + } + + $.ajax(options); + } + + /** + * Get user data for given content. + * + * @param {number} contentId + * What content to get data for. + * @param {string} dataId + * Identifies the set of data for this content. + * @param {function} done + * Callback with error and data parameters. + * @param {string} [subContentId] + * Identifies which data belongs to sub content. + */ + H5P.getUserData = function (contentId, dataId, done, subContentId) { + if (!subContentId) { + subContentId = 0; // Default + } + + H5PIntegration.contents = H5PIntegration.contents || {}; + var content = H5PIntegration.contents['cid-' + contentId] || {}; + var preloadedData = content.contentUserData; + if (preloadedData && preloadedData[subContentId] && preloadedData[subContentId][dataId] !== undefined) { + if (preloadedData[subContentId][dataId] === 'RESET') { + done(undefined, null); + return; + } + try { + done(undefined, JSON.parse(preloadedData[subContentId][dataId])); + } + catch (err) { + done(err); + } + } + else { + contentUserDataAjax(contentId, dataId, subContentId, function (err, data) { + if (err || data === undefined) { + done(err, data); + return; // Error or no data + } + + // Cache in preloaded + if (content.contentUserData === undefined) { + content.contentUserData = preloadedData = {}; + } + if (preloadedData[subContentId] === undefined) { + preloadedData[subContentId] = {}; + } + preloadedData[subContentId][dataId] = data; + + // Done. Try to decode JSON + try { + done(undefined, JSON.parse(data)); + } + catch (e) { + done(e); + } + }); + } + }; + + /** + * Async error handling. + * + * @callback H5P.ErrorCallback + * @param {*} error + */ + + /** + * Set user data for given content. + * + * @param {number} contentId + * What content to get data for. + * @param {string} dataId + * Identifies the set of data for this content. + * @param {Object} data + * The data that is to be stored. + * @param {Object} [extras] + * Extra properties + * @param {string} [extras.subContentId] + * Identifies which data belongs to sub content. + * @param {boolean} [extras.preloaded=true] + * If the data should be loaded when content is loaded. + * @param {boolean} [extras.deleteOnChange=false] + * If the data should be invalidated when the content changes. + * @param {H5P.ErrorCallback} [extras.errorCallback] + * Callback with error as parameters. + * @param {boolean} [extras.async=true] + */ + H5P.setUserData = function (contentId, dataId, data, extras) { + var options = H5P.jQuery.extend(true, {}, { + subContentId: 0, + preloaded: true, + deleteOnChange: false, + async: true + }, extras); + + try { + data = JSON.stringify(data); + } + catch (err) { + if (options.errorCallback) { + options.errorCallback(err); + } + return; // Failed to serialize. + } + + var content = H5PIntegration.contents['cid-' + contentId]; + if (content === undefined) { + content = H5PIntegration.contents['cid-' + contentId] = {}; + } + if (!content.contentUserData) { + content.contentUserData = {}; + } + var preloadedData = content.contentUserData; + if (preloadedData[options.subContentId] === undefined) { + preloadedData[options.subContentId] = {}; + } + if (data === preloadedData[options.subContentId][dataId]) { + return; // No need to save this twice. + } + + preloadedData[options.subContentId][dataId] = data; + contentUserDataAjax(contentId, dataId, options.subContentId, function (error) { + if (options.errorCallback && error) { + options.errorCallback(error); + } + }, data, options.preloaded, options.deleteOnChange, options.async); + }; + + /** + * Delete user data for given content. + * + * @param {number} contentId + * What content to remove data for. + * @param {string} dataId + * Identifies the set of data for this content. + * @param {string} [subContentId] + * Identifies which data belongs to sub content. + */ + H5P.deleteUserData = function (contentId, dataId, subContentId) { + if (!subContentId) { + subContentId = 0; // Default + } + + // Remove from preloaded/cache + var preloadedData = H5PIntegration.contents['cid-' + contentId].contentUserData; + if (preloadedData && preloadedData[subContentId] && preloadedData[subContentId][dataId]) { + delete preloadedData[subContentId][dataId]; + } + + contentUserDataAjax(contentId, dataId, subContentId, undefined, null); + }; + + /** + * Function for getting content for a certain ID + * + * @param {number} contentId + * @return {Object} + */ + H5P.getContentForInstance = function (contentId) { + var key = 'cid-' + contentId; + var exists = H5PIntegration && H5PIntegration.contents && + H5PIntegration.contents[key]; + + return exists ? H5PIntegration.contents[key] : undefined; + }; + + /** + * Prepares the content parameters for storing in the clipboard. + * + * @class + * @param {Object} parameters The parameters for the content to store + * @param {string} [genericProperty] If only part of the parameters are generic, which part + * @param {string} [specificKey] If the parameters are specific, what content type does it fit + * @returns {Object} Ready for the clipboard + */ + H5P.ClipboardItem = function (parameters, genericProperty, specificKey) { + var self = this; + + /** + * Set relative dimensions when params contains a file with a width and a height. + * Very useful to be compatible with wysiwyg editors. + * + * @private + */ + var setDimensionsFromFile = function () { + if (!self.generic) { + return; + } + var params = self.specific[self.generic]; + if (!params.params.file || !params.params.file.width || !params.params.file.height) { + return; + } + + self.width = 20; // % + self.height = (params.params.file.height / params.params.file.width) * self.width; + }; + + if (!genericProperty) { + genericProperty = 'action'; + parameters = { + action: parameters + }; + } + + self.specific = parameters; + + if (genericProperty && parameters[genericProperty]) { + self.generic = genericProperty; + } + if (specificKey) { + self.from = specificKey; + } + + if (window.H5PEditor && H5PEditor.contentId) { + self.contentId = H5PEditor.contentId; + } + + if (!self.specific.width && !self.specific.height) { + setDimensionsFromFile(); + } + }; + + /** + * Store item in the H5P Clipboard. + * + * @param {H5P.ClipboardItem|*} clipboardItem + */ + H5P.clipboardify = function (clipboardItem) { + if (!(clipboardItem instanceof H5P.ClipboardItem)) { + clipboardItem = new H5P.ClipboardItem(clipboardItem); + } + H5P.setClipboard(clipboardItem); + }; + + /** + * Retrieve parsed clipboard data. + * + * @return {Object} + */ + H5P.getClipboard = function () { + return parseClipboard(); + }; + + /** + * Set item in the H5P Clipboard. + * + * @param {H5P.ClipboardItem|object} clipboardItem - Data to be set. + */ + H5P.setClipboard = function (clipboardItem) { + localStorage.setItem('h5pClipboard', JSON.stringify(clipboardItem)); + + // Trigger an event so all 'Paste' buttons may be enabled. + H5P.externalDispatcher.trigger('datainclipboard', {reset: false}); + }; + + /** + * Get config for a library + * + * @param string machineName + * @return Object + */ + H5P.getLibraryConfig = function (machineName) { + var hasConfig = H5PIntegration.libraryConfig && H5PIntegration.libraryConfig[machineName]; + return hasConfig ? H5PIntegration.libraryConfig[machineName] : {}; + }; + + /** + * Get item from the H5P Clipboard. + * + * @private + * @return {Object} + */ + var parseClipboard = function () { + var clipboardData = localStorage.getItem('h5pClipboard'); + if (!clipboardData) { + return; + } + + // Try to parse clipboard dat + try { + clipboardData = JSON.parse(clipboardData); + } + catch (err) { + console.error('Unable to parse JSON from clipboard.', err); + return; + } + + // Update file URLs and reset content Ids + recursiveUpdate(clipboardData.specific, function (path) { + var isTmpFile = (path.substr(-4, 4) === '#tmp'); + if (!isTmpFile && clipboardData.contentId && !path.match(/^https?:\/\//i)) { + // Comes from existing content + + if (H5PEditor.contentId) { + // .. to existing content + return '../' + clipboardData.contentId + '/' + path; + } + else { + // .. to new content + return (H5PEditor.contentRelUrl ? H5PEditor.contentRelUrl : '../content/') + clipboardData.contentId + '/' + path; + } + } + return path; // Will automatically be looked for in tmp folder + }); + + + if (clipboardData.generic) { + // Use reference instead of key + clipboardData.generic = clipboardData.specific[clipboardData.generic]; + } + + return clipboardData; + }; + + /** + * Update file URLs and reset content IDs. + * Useful when copying content. + * + * @private + * @param {object} params Reference + * @param {function} handler Modifies the path to work when pasted + */ + var recursiveUpdate = function (params, handler) { + for (var prop in params) { + if (params.hasOwnProperty(prop) && params[prop] instanceof Object) { + var obj = params[prop]; + if (obj.path !== undefined && obj.mime !== undefined) { + obj.path = handler(obj.path); + } + else { + if (obj.library !== undefined && obj.subContentId !== undefined) { + // Avoid multiple content with same ID + delete obj.subContentId; + } + recursiveUpdate(obj, handler); + } + } + } + }; + + // Init H5P when page is fully loadded + $(document).ready(function () { + + window.addEventListener('storage', function (event) { + // Pick up clipboard changes from other tabs + if (event.key === 'h5pClipboard') { + // Trigger an event so all 'Paste' buttons may be enabled. + H5P.externalDispatcher.trigger('datainclipboard', {reset: event.newValue === null}); + } + }); + + var ccVersions = { + 'default': '4.0', + '4.0': H5P.t('licenseCC40'), + '3.0': H5P.t('licenseCC30'), + '2.5': H5P.t('licenseCC25'), + '2.0': H5P.t('licenseCC20'), + '1.0': H5P.t('licenseCC10'), + }; + + /** + * Maps copyright license codes to their human readable counterpart. + * + * @type {Object} + */ + H5P.copyrightLicenses = { + 'U': H5P.t('licenseU'), + 'CC BY': { + label: H5P.t('licenseCCBY'), + link: 'http://creativecommons.org/licenses/by/:version', + versions: ccVersions + }, + 'CC BY-SA': { + label: H5P.t('licenseCCBYSA'), + link: 'http://creativecommons.org/licenses/by-sa/:version', + versions: ccVersions + }, + 'CC BY-ND': { + label: H5P.t('licenseCCBYND'), + link: 'http://creativecommons.org/licenses/by-nd/:version', + versions: ccVersions + }, + 'CC BY-NC': { + label: H5P.t('licenseCCBYNC'), + link: 'http://creativecommons.org/licenses/by-nc/:version', + versions: ccVersions + }, + 'CC BY-NC-SA': { + label: H5P.t('licenseCCBYNCSA'), + link: 'http://creativecommons.org/licenses/by-nc-sa/:version', + versions: ccVersions + }, + 'CC BY-NC-ND': { + label: H5P.t('licenseCCBYNCND'), + link: 'http://creativecommons.org/licenses/by-nc-nd/:version', + versions: ccVersions + }, + 'CC0 1.0': { + label: H5P.t('licenseCC010'), + link: 'https://creativecommons.org/publicdomain/zero/1.0/' + }, + 'GNU GPL': { + label: H5P.t('licenseGPL'), + link: 'http://www.gnu.org/licenses/gpl-:version-standalone.html', + linkVersions: { + 'v3': '3.0', + 'v2': '2.0', + 'v1': '1.0' + }, + versions: { + 'default': 'v3', + 'v3': H5P.t('licenseV3'), + 'v2': H5P.t('licenseV2'), + 'v1': H5P.t('licenseV1') + } + }, + 'PD': { + label: H5P.t('licensePD'), + versions: { + 'CC0 1.0': { + label: H5P.t('licenseCC010'), + link: 'https://creativecommons.org/publicdomain/zero/1.0/' + }, + 'CC PDM': { + label: H5P.t('licensePDM'), + link: 'https://creativecommons.org/publicdomain/mark/1.0/' + } + } + }, + 'ODC PDDL': 'Public Domain Dedication and Licence', + 'CC PDM': { + label: H5P.t('licensePDM'), + link: 'https://creativecommons.org/publicdomain/mark/1.0/' + }, + 'C': H5P.t('licenseC'), + }; + + /** + * Indicates if H5P is embedded on an external page using iframe. + * @member {boolean} H5P.externalEmbed + */ + + // Relay events to top window. This must be done before H5P.init + // since events may be fired on initialization. + if (H5P.isFramed && H5P.externalEmbed === false) { + H5P.externalDispatcher.on('*', function (event) { + window.parent.H5P.externalDispatcher.trigger.call(this, event); + }); + } + + /** + * Prevent H5P Core from initializing. Must be overriden before document ready. + * @member {boolean} H5P.preventInit + */ + if (!H5P.preventInit) { + // Note that this start script has to be an external resource for it to + // load in correct order in IE9. + H5P.init(document.body); + } + + if (H5PIntegration.saveFreq !== false) { + // When was the last state stored + var lastStoredOn = 0; + // Store the current state of the H5P when leaving the page. + var storeCurrentState = function () { + // Make sure at least 250 ms has passed since last save + var currentTime = new Date().getTime(); + if (currentTime - lastStoredOn > 250) { + lastStoredOn = currentTime; + for (var i = 0; i < H5P.instances.length; i++) { + var instance = H5P.instances[i]; + if (instance.getCurrentState instanceof Function || + typeof instance.getCurrentState === 'function') { + var state = instance.getCurrentState(); + if (state !== undefined) { + // Async is not used to prevent the request from being cancelled. + H5P.setUserData(instance.contentId, 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