@web5/credentials
Version:
Verifiable Credentials
128 lines • 7.11 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
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if (y = 0, t) op = [op[0] & 2, t.value];
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case 0: case 1: t = op; break;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SsiValidator = void 0;
var jsonschema_1 = require("jsonschema");
var verifiable_credential_js_1 = require("./verifiable-credential.js");
var utils_js_1 = require("./utils.js");
var verifiable_presentation_js_1 = require("./verifiable-presentation.js");
var jsonSchemaValidator = new jsonschema_1.Validator();
var SsiValidator = /** @class */ (function () {
function SsiValidator() {
}
SsiValidator.validateCredentialPayload = function (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);
};
SsiValidator.validateContext = function (value) {
var input = this.asArray(value);
if (input.length < 1 || input.indexOf(verifiable_credential_js_1.DEFAULT_VC_CONTEXT) === -1) {
throw new Error("@context is missing default context \"".concat(verifiable_credential_js_1.DEFAULT_VC_CONTEXT, "\""));
}
};
SsiValidator.validateVcType = function (value) {
var input = this.asArray(value);
if (input.length < 1 || input.indexOf(verifiable_credential_js_1.DEFAULT_VC_TYPE) === -1) {
throw new Error("type is missing default \"".concat(verifiable_credential_js_1.DEFAULT_VC_TYPE, "\""));
}
};
SsiValidator.validateVpType = function (value) {
var input = this.asArray(value);
if (input.length < 1 || input.indexOf(verifiable_presentation_js_1.DEFAULT_VP_TYPE) === -1) {
throw new Error("type is missing default \"".concat(verifiable_presentation_js_1.DEFAULT_VP_TYPE, "\""));
}
};
SsiValidator.validateCredentialSubject = function (value) {
if (Object.keys(value).length === 0) {
throw new Error("credentialSubject must not be empty");
}
};
SsiValidator.validateTimestamp = function (timestamp) {
if (!(0, utils_js_1.isValidXmlSchema112Timestamp)(timestamp) && !(0, utils_js_1.isValidRFC3339Timestamp)(timestamp)) {
throw new Error("timestamp is not valid xml schema 112 timestamp");
}
};
SsiValidator.validateCredentialSchema = function (vcDataModel) {
return __awaiter(this, void 0, void 0, function () {
var credentialSchema, schemaId, jsonSchema, response, error_1, validationResult;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
credentialSchema = vcDataModel.credentialSchema;
if (!credentialSchema || (Array.isArray(credentialSchema) && credentialSchema.length === 0)) {
throw new Error('Credential schema is missing or empty');
}
schemaId = Array.isArray(credentialSchema) ? credentialSchema[0].id : credentialSchema.id;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4 /*yield*/, fetch(schemaId)];
case 2:
response = _a.sent();
if (!response.ok) {
throw new Error("HTTP error! status: ".concat(response.status));
}
return [4 /*yield*/, response.json()];
case 3:
jsonSchema = _a.sent();
return [3 /*break*/, 5];
case 4:
error_1 = _a.sent();
throw new Error("Failed to fetch schema from ".concat(schemaId, ": ").concat(error_1.message));
case 5:
validationResult = jsonSchemaValidator.validate(vcDataModel, jsonSchema);
if (!validationResult.valid) {
throw new Error("Schema Validation Errors: ".concat(JSON.stringify(validationResult.errors)));
}
return [2 /*return*/];
}
});
});
};
SsiValidator.asArray = function (arg) {
return Array.isArray(arg) ? arg : [arg];
};
return SsiValidator;
}());
exports.SsiValidator = SsiValidator;
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