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feat: add fake did method usable in tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| import { IAgentContext, IKeyManager, IIdentifier, IKey, IService, IDIDManager } from '@veramo/core' | ||
| import { AbstractIdentifierProvider } from '../../packages/did-manager/src/index' | ||
| import { | ||
| DIDResolutionOptions, | ||
| DIDResolutionResult, | ||
| DIDResolver, | ||
| Resolvable, | ||
| ParsedDID, | ||
| VerificationMethod, | ||
| } from 'did-resolver' | ||
| import { TAgent } from '@veramo/core/src' | ||
| import { _NormalizedVerificationMethod } from '../../packages/did-comm/src' | ||
|
|
||
| /** | ||
| * A DID method that uses the information stored by the DID manager to resolve | ||
| */ | ||
| export class FakeDidProvider extends AbstractIdentifierProvider { | ||
| private defaultKms: string | ||
|
|
||
| constructor({ defaultKms }: { defaultKms: string } = { defaultKms: 'local' }) { | ||
| super() | ||
| this.defaultKms = defaultKms | ||
| } | ||
|
|
||
| async createIdentifier( | ||
| { kms, alias, options }: { kms?: string; alias?: string; options?: any }, | ||
| context: IAgentContext<IKeyManager>, | ||
| ): Promise<Omit<IIdentifier, 'provider'>> { | ||
| const key = await context.agent.keyManagerCreate({ | ||
| kms: kms || this.defaultKms, | ||
| type: options?.type || 'Secp256k1', | ||
| }) | ||
|
|
||
| const identifier: Omit<IIdentifier, 'provider'> = { | ||
| did: 'did:fake:' + alias, | ||
| controllerKeyId: key.kid, | ||
| keys: [key], | ||
| services: [], | ||
| } | ||
| return identifier | ||
| } | ||
|
|
||
| async deleteIdentifier(identifier: IIdentifier, context: IAgentContext<IKeyManager>): Promise<boolean> { | ||
| for (const { kid } of identifier.keys) { | ||
| await context.agent.keyManagerDelete({ kid }) | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| async addKey( | ||
| { identifier, key, options }: { identifier: IIdentifier; key: IKey; options?: any }, | ||
| context: IAgentContext<IKeyManager>, | ||
| ): Promise<any> { | ||
| return { success: true } | ||
| } | ||
|
|
||
| async addService( | ||
| { identifier, service, options }: { identifier: IIdentifier; service: IService; options?: any }, | ||
| context: IAgentContext<IKeyManager>, | ||
| ): Promise<any> { | ||
| return { success: true } | ||
| } | ||
|
|
||
| async removeKey( | ||
| args: { identifier: IIdentifier; kid: string; options?: any }, | ||
| context: IAgentContext<IKeyManager>, | ||
| ): Promise<any> { | ||
| return { success: true } | ||
| } | ||
|
|
||
| async removeService( | ||
| args: { identifier: IIdentifier; id: string; options?: any }, | ||
| context: IAgentContext<IKeyManager>, | ||
| ): Promise<any> { | ||
| return { success: true } | ||
| } | ||
| } | ||
|
|
||
| export class FakeDidResolver { | ||
| getAgent: () => TAgent<IDIDManager> | ||
|
|
||
| constructor(getAgent: () => TAgent<IDIDManager>) { | ||
| this.getAgent = getAgent | ||
| } | ||
|
|
||
| resolveFakeDid: DIDResolver = async ( | ||
| didUrl: string, | ||
| _parsed: ParsedDID, | ||
| _resolver: Resolvable, | ||
| options: DIDResolutionOptions, | ||
| ): Promise<DIDResolutionResult> => { | ||
| try { | ||
| const agent = this.getAgent() | ||
| const identifier = await agent.didManagerGet({ did: _parsed.did }) | ||
| const did = _parsed.did | ||
| const verificationMethod: VerificationMethod[] = identifier.keys.map((key) => { | ||
| const vm: _NormalizedVerificationMethod = { ...key, controller: did, id: `${did}#${key.kid}` } | ||
| switch (key.type) { | ||
| case 'Secp256k1': | ||
| vm.type = 'EcdsaSecp256k1VerificationKey2019' | ||
| break | ||
| case 'Ed25519': | ||
| vm.type = 'Ed25519VerificationKey2018' | ||
| break | ||
| case 'X25519': | ||
| vm.type = 'X25519KeyAgreementKey2019' | ||
| break | ||
| default: | ||
| break | ||
| } | ||
| const { meta, description, kid, ...result } = vm as any | ||
| return result | ||
| }) | ||
| const vmIds = verificationMethod.map((vm) => vm.id) | ||
| const service = identifier.services.map(service => { | ||
| service.id = `${did}#${service.id}` | ||
| delete service.description | ||
| return service | ||
| }) | ||
|
|
||
| const didResolution: DIDResolutionResult = { | ||
| didResolutionMetadata: {}, | ||
| didDocument: { | ||
| id: did, | ||
| service, | ||
| verificationMethod, | ||
| keyAgreement: vmIds, | ||
| authentication: vmIds, | ||
| assertionMethod: vmIds, | ||
| }, | ||
| didDocumentMetadata: {}, | ||
| } | ||
| return didResolution | ||
| } catch (err) { | ||
| return { | ||
| didDocumentMetadata: {}, | ||
| didResolutionMetadata: { error: 'invalidDid', message: err.toString() }, | ||
| didDocument: null, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| getDidFakeResolver() { | ||
| return { fake: this.resolveFakeDid.bind(this) } | ||
| } | ||
| } |
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