@govtechsg/open-attestation
Version:
42 lines (41 loc) • 1.98 kB
JavaScript
;
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.verify = void 0;
var digest_1 = require("./digest");
var merkle_1 = require("../shared/merkle");
var salt_1 = require("./salt");
/**
* @deprecated will be removed in the next major release in favour of OpenAttestation v4.0 (more info: https://github.com/Open-Attestation/open-attestation/tree/alpha)
*/
var verify = function (document) {
if (!document.proof) {
return false;
}
// Remove proof from document
// eslint-disable-next-line no-unused-vars,@typescript-eslint/no-unused-vars
var proof = document.proof, documentWithoutProof = __rest(document, ["proof"]);
var decodedSalts = (0, salt_1.decodeSalt)(document.proof.salts);
// Checks to ensure there are no added/removed values, so visibleSalts.length must match decodedSalts.length
var visibleSalts = (0, salt_1.salt)(documentWithoutProof);
if (visibleSalts.length !== decodedSalts.length)
return false;
// Checks target hash
var digest = (0, digest_1.digestCredential)(documentWithoutProof, decodedSalts, document.proof.privacy.obfuscated);
var targetHash = document.proof.targetHash;
if (digest !== targetHash)
return false;
// Calculates merkle root from target hash and proof, then compare to merkle root in document
return (0, merkle_1.checkProof)(document.proof.proofs, document.proof.merkleRoot, document.proof.targetHash);
};
exports.verify = verify;