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Merge pull request #2270 from zeitgeistpm/protected-ipfs-api
Protected IPFS api
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| import { u8aToString } from "@polkadot/util"; | ||
| import { u8aConcat } from "@polkadot/util/u8a"; | ||
| import { | ||
| MarketMetadata, | ||
| MetadataStorage, | ||
| createStorage, | ||
| } from "@zeitgeistpm/sdk"; | ||
| import { Codec, JsonCodec } from "@zeitgeistpm/utility/dist/codec"; | ||
| import * as O from "@zeitgeistpm/utility/dist/option"; | ||
| import * as Te from "@zeitgeistpm/utility/dist/taskeither"; | ||
| import { Storage, StorageError } from "@zeitgeistpm/web3.storage"; | ||
| import * as IPFSHTTPClient from "ipfs-http-client"; | ||
| import { CID } from "multiformats/cid"; | ||
|
|
||
| const node = IPFSHTTPClient.create({ | ||
| url: process.env.NEXT_PUBLIC_IPFS_NODE_URL, | ||
| }); | ||
|
|
||
| export const createMetadataStorage = (): MetadataStorage<MarketMetadata> => { | ||
| const createInnerStorage = ( | ||
| codec: Codec< | ||
| string | Uint8Array, | ||
| MarketMetadata | ||
| > = JsonCodec<MarketMetadata>(), | ||
| ): Storage<MarketMetadata, CID> => { | ||
| return { | ||
| put: Te.from( | ||
| async (data) => { | ||
| const response = await fetch("/api/ipfs", { | ||
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| }, | ||
| body: JSON.stringify(data), | ||
| }); | ||
|
|
||
| if (response.status === 400) { | ||
| const { message } = await response.json(); | ||
| throw new Error(message); | ||
| } | ||
|
|
||
| const { cid: cidString } = await response.json(); | ||
| const cid = CID.parse(cidString); | ||
|
|
||
| return cid; | ||
| }, | ||
| (message, error) => new StorageError(message, error), | ||
| ), | ||
| hash: Te.from( | ||
| async (data) => { | ||
| const response = await fetch("/api/ipfs?only-hash=true", { | ||
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| }, | ||
| body: JSON.stringify(data), | ||
| }); | ||
|
|
||
| if (response.status === 400) { | ||
| const { message } = await response.json(); | ||
| throw new Error(message); | ||
| } | ||
|
|
||
| const { cid: cidString } = await response.json(); | ||
| const cid = CID.parse(cidString); | ||
|
|
||
| return cid; | ||
| }, | ||
| (message, error) => new StorageError(message, error), | ||
| ), | ||
| get: Te.from( | ||
| async (cid) => { | ||
| const data = (await read(node, cid).unwrap()) | ||
| .map((chunks) => u8aConcat(...chunks)) | ||
| .unwrap(); | ||
|
|
||
| if (data) { | ||
| const parsed = JSON.parse(u8aToString(data)); | ||
| return O.option(O.some(parsed)); | ||
| } | ||
|
|
||
| return O.option(O.none()); | ||
| }, | ||
| (message, error) => new StorageError(message, error), | ||
| ), | ||
| withCodec: <A>() => createInnerStorage(codec) as Storage<A, CID>, | ||
| provider: node, | ||
| }; | ||
| }; | ||
|
|
||
| return createStorage(createInnerStorage()); | ||
| }; | ||
|
|
||
| /** | ||
| * Read data from a cid and parse it to a string. | ||
| */ | ||
| const read = Te.from< | ||
| O.IOption<Uint8Array[]>, | ||
| Error, | ||
| [node: IPFSHTTPClient.IPFSHTTPClient, cid: IPFSHTTPClient.CID] | ||
| >(async (node, cid) => { | ||
| let content: Uint8Array[] = []; | ||
|
|
||
| for await (const chunk of node.cat(cid)) { | ||
| content = [...content, chunk]; | ||
| } | ||
|
|
||
| new Blob(content); | ||
|
|
||
| if (content.length === 0) return O.option(O.none()); | ||
|
|
||
| return O.option(O.some(content)); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| import { create as createIPFSClient } from "ipfs-http-client"; | ||
| import type { PageConfig } from "next"; | ||
| import { NextApiRequest, NextApiResponse } from "next"; | ||
| import { fromZodError } from "zod-validation-error"; | ||
| import { IOMarketMetadata } from "./types"; | ||
|
|
||
| export const config: PageConfig = { | ||
| runtime: "nodejs", | ||
| }; | ||
|
|
||
| export default async function handler( | ||
| req: NextApiRequest, | ||
| res: NextApiResponse, | ||
| ) { | ||
| if (req.method === "POST") { | ||
| return POST(req, res); | ||
| } | ||
| } | ||
|
|
||
| const POST = async (req: NextApiRequest, res: NextApiResponse) => { | ||
| const node = createIPFSClient({ | ||
| url: process.env.NEXT_PUBLIC_IPFS_NODE_URL, | ||
| headers: { | ||
| Authorization: `Basic ${Buffer.from( | ||
| process.env.IPFS_NODE_BASIC_AUTH_USERNAME + | ||
| ":" + | ||
| process.env.IPFS_NODE_BASIC_AUTH_PASSWORD, | ||
| ).toString("base64")}`, | ||
| }, | ||
| }); | ||
|
|
||
| const parsed = IOMarketMetadata.safeParse(req.body); | ||
|
|
||
| const onlyHash = req.query["only-hash"] === "true" ? true : false; | ||
|
|
||
| if (!parsed.success) { | ||
| return res.status(400).json({ | ||
| message: fromZodError(parsed.error).toString(), | ||
| }); | ||
| } | ||
|
|
||
| const metadata = { | ||
| __meta: "markets", | ||
| ...parsed.data, | ||
| }; | ||
|
|
||
| const content = JSON.stringify(metadata); | ||
| const kbSize = Buffer.byteLength(content) / 1024; | ||
|
|
||
| if (kbSize > 10) { | ||
| return res.status(400).json({ | ||
| message: "Market metadata is too large. Please keep it under 10kb.", | ||
| }); | ||
| } | ||
| try { | ||
| const { cid } = await node.add( | ||
| { content }, | ||
| { | ||
| hashAlg: "sha3-384", | ||
| pin: !onlyHash, | ||
| onlyHash, | ||
| }, | ||
| ); | ||
|
|
||
| // if (!onlyHash) { | ||
| // await node.pin.add(cid); | ||
| // } | ||
|
|
||
| return res.status(200).json({ | ||
| message: `Market metadata ${ | ||
| onlyHash ? "hashed" : "pinned" | ||
| } successfully.`, | ||
| cid: cid.toString(), | ||
| }); | ||
| } catch (error) { | ||
| return res.status(500).json({ | ||
| message: error.message, | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| // const DELETE = async (req: NextRequest) => { | ||
| // const { cid } = JSON.parse(await extractBody(req)); | ||
|
|
||
| // try { | ||
| // await node.pin.rm(IPFSHTTPClient.CID.parse(cid)); | ||
|
|
||
| // return new Response( | ||
| // JSON.stringify({ | ||
| // message: `Market metadata(cid: ${cid}) unpinned successfully.`, | ||
| // }), | ||
| // { | ||
| // status: 200, | ||
| // }, | ||
| // ); | ||
| // } catch (error) { | ||
| // return new Response( | ||
| // JSON.stringify({ | ||
| // message: error.message, | ||
| // }), | ||
| // { | ||
| // status: 500, | ||
| // }, | ||
| // ); | ||
| // } | ||
| // }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| import * as z from "zod"; | ||
|
|
||
| export const IOMarketMetadata = z.object({ | ||
| question: z.string(), | ||
| description: z.optional(z.string()), | ||
| tags: z.optional(z.array(z.string())), | ||
| slug: z.optional(z.string()), | ||
| categories: z.optional( | ||
| z.array( | ||
| z.object({ | ||
| name: z.string(), | ||
| ticker: z.optional(z.string()), | ||
| img: z.optional(z.string()), | ||
| color: z.optional(z.string()), | ||
| }), | ||
| ), | ||
| ), | ||
| }); |
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