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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,103 +1,97 @@ | ||
| import { RequestValidator, SecuredContentType, CredentialSchema, CredentialStatus, BitstringStatusListCredential, ValidationResult, VerifiableCredential, JsonSchemaError, TraceablePresentationValidationResult } from "../types"; | ||
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| import { | ||
| RequestValidator, | ||
| SecuredContentType, | ||
| CredentialSchema, | ||
| CredentialStatus, | ||
| BitstringStatusListCredential, | ||
| ValidationResult, | ||
| VerifiableCredential, | ||
| JsonSchemaError, | ||
| TraceablePresentationValidationResult | ||
| } from "../types" | ||
| import { verifier } from "../verifier"; | ||
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| import { verifier } from "../verifier" | ||
| import { decoder } from "../text"; | ||
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| import { decoder } from "../text" | ||
| import { bs } from "../../cr1/status-list"; | ||
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| import { bs } from '../../cr1/status-list' | ||
| import { conformance } from "./w3c"; | ||
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| import { conformance } from './w3c' | ||
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| import { ajv } from "./ajv" | ||
| import { ajv } from "./ajv"; | ||
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| export const validator = ({ resolver }: RequestValidator) => { | ||
| return { | ||
| validate: async <T = TraceablePresentationValidationResult>({ type, content }: SecuredContentType) => { | ||
| const verified = await verifier({ resolver }).verify<VerifiableCredential>({ type, content }) | ||
| const verified = await verifier({ resolver }).verify<VerifiableCredential>({ type, content }); | ||
| const validation: ValidationResult = { | ||
| verified: true, | ||
| content: verified, | ||
| schema: {}, | ||
| status: {}, | ||
| warnings: [] | ||
| } | ||
| const { credentialSchema, credentialStatus } = verified | ||
| warnings: [], | ||
| }; | ||
| const { credentialSchema, credentialStatus } = verified; | ||
| if (credentialSchema) { | ||
| const schemas = (Array.isArray(credentialSchema) ? verified.credentialSchema : [credentialSchema]) as CredentialSchema[] | ||
| const schemas = (Array.isArray(credentialSchema) ? verified.credentialSchema : [credentialSchema]) as CredentialSchema[]; | ||
| for (const schema of schemas) { | ||
| if (schema.type === 'JsonSchema') { | ||
| if (schema.type === "JsonSchema") { | ||
| const credentialSchema = await resolver.resolve({ | ||
| // prefer to resolve this one by id, instead of content | ||
| id: schema.id, | ||
| type: 'application/schema+json', | ||
| purpose: 'schema-validation' | ||
| }) | ||
| type: "application/schema+json", | ||
| purpose: "schema-validation", | ||
| }); | ||
| if (credentialSchema === true) { | ||
| validation.schema[schema.id] = { validation: 'ignored' } | ||
| validation.schema[schema.id] = { validation: "ignored" }; | ||
| continue; | ||
| } | ||
| const schemaContent = decoder.decode(credentialSchema.content) | ||
| const parsedSchemaContent = JSON.parse(schemaContent) | ||
| const schemaContent = decoder.decode(credentialSchema.content); | ||
| const parsedSchemaContent = JSON.parse(schemaContent); | ||
| let valid: any; | ||
| let compiledSchemaValidator: any | ||
| let compiledSchemaValidator: any; | ||
| try { | ||
| const maybeExistingSchema = ajv.getSchema(parsedSchemaContent.$id) | ||
| compiledSchemaValidator = maybeExistingSchema | ||
| const maybeExistingSchema = ajv.getSchema(parsedSchemaContent.$id); | ||
| compiledSchemaValidator = maybeExistingSchema; | ||
| if (compiledSchemaValidator === undefined) { | ||
| // only compile new schemas... | ||
| // this assumes schemas do not change. | ||
| compiledSchemaValidator = ajv.compile(parsedSchemaContent) | ||
| compiledSchemaValidator = ajv.compile(parsedSchemaContent); | ||
| } | ||
| valid = compiledSchemaValidator(verified) | ||
| valid = compiledSchemaValidator(verified); | ||
| } catch (e) { | ||
| valid = false | ||
| valid = false; | ||
| } | ||
| validation.schema[schema.id] = { validation: valid ? 'succeeded' : 'failed' } | ||
| validation.schema[schema.id] = { validation: valid ? "succeeded" : "failed" }; | ||
| if (!valid) { | ||
| validation.schema[schema.id].errors = compiledSchemaValidator.errors as JsonSchemaError[] | ||
| if (compiledSchemaValidator === undefined) { | ||
| validation.schema[schema.id].errors = [{ message: "json schema has invalid syntax" }] as any; | ||
| } else { | ||
| validation.schema[schema.id].errors = compiledSchemaValidator.errors as JsonSchemaError[]; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| if (credentialStatus) { | ||
| const statuses = (Array.isArray(credentialStatus) ? verified.credentialStatus : [credentialStatus]) as CredentialStatus[] | ||
| const statuses = (Array.isArray(credentialStatus) ? verified.credentialStatus : [credentialStatus]) as CredentialStatus[]; | ||
| for (const status of statuses) { | ||
| if (status.type === 'BitstringStatusListEntry') { | ||
| if (status.type === "BitstringStatusListEntry") { | ||
| const statusListCredential = await resolver.resolve({ | ||
| // prefer to resolve this one by id, instead of content | ||
| id: status.statusListCredential, | ||
| type: type, // we do not support mixed type credential and status lists! | ||
| purpose: 'status-check' | ||
| }) | ||
| const verified = await verifier({ resolver }).verify<BitstringStatusListCredential>(statusListCredential) | ||
| purpose: "status-check", | ||
| }); | ||
| const verified = await verifier({ resolver }).verify<BitstringStatusListCredential>(statusListCredential); | ||
| // confirm purpose matches | ||
| if (status.statusPurpose !== verified.credentialSubject.statusPurpose) { | ||
| validation.status[`${status.id}`] = { | ||
| [status.statusPurpose]: false, | ||
| errors: [{ | ||
| message: 'status list purpose does not match credential status' | ||
| }] | ||
| } | ||
| errors: [ | ||
| { | ||
| message: "status list purpose does not match credential status", | ||
| }, | ||
| ], | ||
| }; | ||
| } else { | ||
| const bit = bs(verified.credentialSubject.encodedList).get(parseInt(status.statusListIndex, 10)) | ||
| validation.status[`${status.id}`] = { [status.statusPurpose]: bit } | ||
| const bit = bs(verified.credentialSubject.encodedList).get(parseInt(status.statusListIndex, 10)); | ||
| validation.status[`${status.id}`] = { [status.statusPurpose]: bit }; | ||
| } | ||
|
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| } | ||
| } | ||
| } | ||
| return conformance(validation) as T | ||
| } | ||
| } | ||
| } | ||
| return conformance(validation) as T; | ||
| }, | ||
| }; | ||
| }; |
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