@dwn-protocol/id-sdk/dist/esm/credentials/validators.js

SDK for accessing the features and capabilities

import { DEFAULT_CONTEXT, DEFAULT_VC_TYPE } from './credential.js';
import { isValidXmlSchema112Timestamp } from './utils.js';
export class VcValidator {
    static validateCredentialPayload(vc) {
        this.validateContext(vc.vcDataModel['@context']);
        this.validateVcType(vc.type);
        this.validateCredentialSubject(vc.vcDataModel.credentialSubject);
        if (vc.vcDataModel.issuanceDate)
            this.validateTimestamp(vc.vcDataModel.issuanceDate);
        if (vc.vcDataModel.expirationDate)
            this.validateTimestamp(vc.vcDataModel.expirationDate);
    }
    static validateContext(value) {
        const input = this.asArray(value);
        if (input.length < 1 || input.indexOf(DEFAULT_CONTEXT) === -1) {
            throw new Error(`@context is missing default context "${DEFAULT_CONTEXT}"`);
        }
    }
    static validateVcType(value) {
        const input = this.asArray(value);
        if (input.length < 1 || input.indexOf(DEFAULT_VC_TYPE) === -1) {
            throw new Error(`type is missing default "${DEFAULT_VC_TYPE}"`);
        }
    }
    static validateCredentialSubject(value) {
        if (Object.keys(value).length === 0) {
            throw new Error(`credentialSubject must not be empty`);
        }
    }
    static validateTimestamp(timestamp) {
        if (!isValidXmlSchema112Timestamp(timestamp)) {
            throw new Error(`timestamp is not valid xml schema 112 timestamp`);
        }
    }
    static asArray(arg) {
        return Array.isArray(arg) ? arg : [arg];
    }
}