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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,95 +1,119 @@ | ||
| import jsonld from 'jsonld'; | ||
| import { demoAuthPresentation } from './store/demoAuth'; | ||
| import jsonld from 'jsonld' | ||
| import { demoAuthPresentation } from './store/demoAuth' | ||
|
|
||
| export const VerifiableType = { | ||
| CREDENTIAL: 'VerifiableCredential', | ||
| PRESENTATION: 'VerifiablePresentation' | ||
| }; | ||
| CREDENTIAL: 'VerifiableCredential', | ||
| PRESENTATION: 'VerifiablePresentation', | ||
| } | ||
|
|
||
| const IPFS_GATEWAYS = ['ipfs.io', 'ipfs.ssi.eecc.de'] | ||
|
|
||
| export function isURL(url) { | ||
| if (typeof url != 'string') return false; | ||
| return url.startsWith('https://'); | ||
| if (typeof url != 'string') return false | ||
| return url.startsWith('https://') | ||
| } | ||
|
|
||
| export function getCredentialValue(value) { | ||
| return typeof value === 'object' ? value.value || value['@value'] || JSON.stringify(value, null, 2) : value; | ||
| return typeof value === 'object' | ||
| ? value.value || value['@value'] || JSON.stringify(value, null, 2) | ||
| : value | ||
| } | ||
|
|
||
| export function getPlainCredential(credential) { | ||
| var clean_credential = { ...credential }; | ||
| delete clean_credential.verified; | ||
| delete clean_credential.revoked; | ||
| delete clean_credential.suspended; | ||
| delete clean_credential.status; | ||
| delete clean_credential.presentation; | ||
| delete clean_credential.context; | ||
| return clean_credential; | ||
| var clean_credential = { ...credential } | ||
| delete clean_credential.verified | ||
| delete clean_credential.revoked | ||
| delete clean_credential.suspended | ||
| delete clean_credential.status | ||
| delete clean_credential.presentation | ||
| delete clean_credential.context | ||
| return clean_credential | ||
| } | ||
|
|
||
| export function getVerifiableType(verifiable) { | ||
| if (verifiable.type.includes(VerifiableType.PRESENTATION)) return VerifiableType.PRESENTATION; | ||
| return VerifiableType.CREDENTIAL; | ||
| if (verifiable.type.includes(VerifiableType.PRESENTATION)) | ||
| return VerifiableType.PRESENTATION | ||
| return VerifiableType.CREDENTIAL | ||
| } | ||
|
|
||
| export function getCredentialType(credential) { | ||
| return credential.type.length > 1 ? credential.type.filter((c) => c != 'VerifiableCredential')[0] : credential.type[0]; | ||
| return credential.type.length > 1 | ||
| ? credential.type.filter((c) => c != 'VerifiableCredential')[0] | ||
| : credential.type[0] | ||
| } | ||
|
|
||
| export function getHolder(presentation) { | ||
| if (presentation.holder) return presentation.holder; | ||
| const proof = Array.isArray(presentation.proof) ? presentation.proof[0] : presentation.proof | ||
| return proof.verificationMethod.split('#')[0]; | ||
| if (presentation.holder) return presentation.holder | ||
| const proof = Array.isArray(presentation.proof) | ||
| ? presentation.proof[0] | ||
| : presentation.proof | ||
| return proof.verificationMethod.split('#')[0] | ||
| } | ||
|
|
||
| export async function fetchIPFS(IPFSUrl) { | ||
|
|
||
| var document; | ||
|
|
||
| await Promise.any(IPFS_GATEWAYS.map(async (gateway) => { | ||
|
|
||
| return await fetch(`https://${gateway}/ipfs/${IPFSUrl.split('ipfs://')[1]}`); | ||
|
|
||
| })) | ||
| .then((result) => { | ||
|
|
||
| document = result; | ||
|
|
||
| }) | ||
| .catch((error) => { | ||
| console.error(error) | ||
| }) | ||
|
|
||
| if (!document) throw Error('Fetching from IPFS failed'); | ||
|
|
||
| return document; | ||
|
|
||
| var document | ||
|
|
||
| await Promise.any( | ||
| IPFS_GATEWAYS.map(async (gateway) => { | ||
| return await fetch( | ||
| `https://${gateway}/ipfs/${IPFSUrl.split('ipfs://')[1]}`, | ||
| ) | ||
| }), | ||
| ) | ||
| .then((result) => { | ||
| document = result | ||
| }) | ||
| .catch((error) => { | ||
| console.error(error) | ||
| }) | ||
|
|
||
| if (!document) throw Error('Fetching from IPFS failed') | ||
|
|
||
| return document | ||
| } | ||
|
|
||
|
|
||
| const documentLoader = async (url) => { | ||
| let document; | ||
| if (url.startsWith('ipfs://')) { | ||
|
|
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| document = await fetchIPFS(url) | ||
|
|
||
| } else document = await fetch(url); | ||
|
|
||
| return { | ||
| contextUrl: null, | ||
| document: await document.json(), | ||
| documentUrl: url | ||
| }; | ||
| }; | ||
|
|
||
| let document | ||
| if (url.startsWith('ipfs://')) { | ||
| document = await fetchIPFS(url) | ||
| } else document = await fetch(url) | ||
|
|
||
| return { | ||
| contextUrl: null, | ||
| document: await document.json(), | ||
| documentUrl: url, | ||
| } | ||
| } | ||
|
|
||
| export async function getContext(credential) { | ||
| const resolved = await jsonld.processContext(await jsonld.processContext(null, null), credential, { documentLoader }); | ||
| return resolved.mappings; | ||
| const resolved = await jsonld.processContext( | ||
| await jsonld.processContext(null, null), | ||
| credential, | ||
| { documentLoader }, | ||
| ) | ||
| return resolved.mappings | ||
| } | ||
|
|
||
| export function isDemoAuth(auth) { | ||
| return auth != undefined && JSON.stringify(auth) == JSON.stringify(demoAuthPresentation); | ||
| return ( | ||
| auth != undefined && | ||
| JSON.stringify(auth) == JSON.stringify(demoAuthPresentation) | ||
| ) | ||
| } | ||
|
|
||
| const gs1CredentialTypes = [ | ||
| 'OrganizationDataCredential', | ||
| 'GS1PrefixLicenseCredential', | ||
| 'GS1CompanyPrefixLicenseCredential', | ||
| 'KeyCredential', | ||
| 'ProductDataCredential', | ||
| ] | ||
|
|
||
| const gs1CredentialContext = 'https://ref.gs1.org/gs1/vc/license-context' | ||
|
|
||
| export function isGs1Credential(credential) { | ||
| return ( | ||
| credential['@context'].includes(gs1CredentialContext) && | ||
| credential.type.some((type) => gs1CredentialTypes.includes(type)) | ||
| ) | ||
| } |
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