hashbasedtoken
Version:
158 lines • 8.05 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.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.isExpires = exports.getTokenExpires = exports.getTokenId = exports.verify = exports.sign = void 0;
var jwa_1 = __importDefault(require("jwa"));
var ms_1 = __importDefault(require("ms"));
var utils_1 = require("./utils");
function sign(id, secretOrPublicKey, options) {
return __awaiter(this, void 0, void 0, function () {
var expiresIn, expires, input, inputAlgorithm, algorithm, signature, token;
return __generator(this, function (_a) {
try {
if (secretOrPublicKey.length < 32) {
throw new Error('Secret key should be at least 32 characters long');
}
expiresIn = options === null || options === void 0 ? void 0 : options.expiresIn;
expires = void 0;
if (expiresIn && typeof expiresIn === 'string') {
expires = Date.now() + (0, ms_1.default)(expiresIn);
}
else if (expiresIn && typeof expiresIn === 'number') {
expires = Date.now() + expiresIn;
}
else {
expires = Date.now() + 120;
}
input = (0, utils_1.stringBuilder)((0, utils_1.base64UrlEncode)(id), utils_1.SEPARATOR, (0, utils_1.base64UrlEncode)(expires));
inputAlgorithm = options === null || options === void 0 ? void 0 : options.algorithm;
algorithm = void 0;
if (inputAlgorithm) {
algorithm = inputAlgorithm;
}
else {
algorithm = 'HS256';
}
signature = (0, jwa_1.default)(algorithm).sign(input, secretOrPublicKey);
token = (0, utils_1.stringBuilder)((0, utils_1.base64UrlEncode)(id), utils_1.SEPARATOR, (0, utils_1.base64UrlEncode)(expires), utils_1.SEPARATOR, (0, utils_1.base64UrlEncode)(signature));
return [2 /*return*/, token];
}
catch (err) {
throw err;
}
return [2 /*return*/];
});
});
}
exports.sign = sign;
function verify(token, secretOrPublicKey, options) {
return __awaiter(this, void 0, void 0, function () {
var _a, id, expires, signature, idUtf8, expiresUtf8, expireNumber, signatureUtf8, input, inputAlgorithm, algorithm, err_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 2, , 3]);
_a = (0, utils_1.splitToken)(token), id = _a[0], expires = _a[1], signature = _a[2];
idUtf8 = (0, utils_1.base64UrlDecode)(id);
expiresUtf8 = (0, utils_1.base64UrlDecode)(expires);
if (!(0, utils_1.isNumeric)(expiresUtf8)) {
throw new Error('Token expires is not numeric');
}
expireNumber = parseInt(expiresUtf8);
if (Date.now() > expireNumber) {
throw new Error('Token is expired');
}
signatureUtf8 = (0, utils_1.base64UrlDecode)(signature);
input = (0, utils_1.stringBuilder)((0, utils_1.base64UrlEncode)(idUtf8), utils_1.SEPARATOR, (0, utils_1.base64UrlEncode)(expiresUtf8));
inputAlgorithm = options === null || options === void 0 ? void 0 : options.algorithm;
algorithm = void 0;
if (inputAlgorithm) {
algorithm = inputAlgorithm;
}
else {
algorithm = 'HS256';
}
return [4 /*yield*/, (0, jwa_1.default)(algorithm).verify(input, signatureUtf8, secretOrPublicKey)];
case 1: return [2 /*return*/, _b.sent()];
case 2:
err_1 = _b.sent();
throw err_1;
case 3: return [2 /*return*/];
}
});
});
}
exports.verify = verify;
function getTokenId(token) {
var _a = (0, utils_1.splitToken)(token), id = _a[0];
return (0, utils_1.base64UrlDecode)(id);
}
exports.getTokenId = getTokenId;
function getTokenExpires(token) {
var _a = (0, utils_1.splitToken)(token), expires = _a[1];
var expireUtf8 = (0, utils_1.base64UrlDecode)(expires);
if (!(0, utils_1.isNumeric)(expireUtf8)) {
throw new Error('Token expires is not numeric');
}
return parseInt(expireUtf8);
}
exports.getTokenExpires = getTokenExpires;
function isExpires(token) {
var _a = (0, utils_1.splitToken)(token), expires = _a[1];
var expiresUtf8 = (0, utils_1.base64UrlDecode)(expires);
if (!(0, utils_1.isNumeric)(expiresUtf8)) {
return true;
}
var expireNumber = parseInt(expiresUtf8);
if (Date.now() < expireNumber) {
return false;
}
return true;
}
exports.isExpires = isExpires;
exports.default = {
sign: sign,
verify: verify,
getTokenId: getTokenId,
getTokenExpires: getTokenExpires,
isExpires: isExpires,
};
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