lynx-framework
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lynx is a NodeJS framework for Web Development, based on decorators and the async/await support.
162 lines (160 loc) • 9.34 kB
JavaScript
;
/**
* Library containing useful function to generate and encrypt password and so on.
*/
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 (_) 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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.retrieveUserFromSession = exports.destroyUserSession = exports.createUserSession = exports.performLogin = exports.UserErrors = exports.generatePassword = exports.verifyPassword = exports.hashPassword = void 0;
var bcrypt = require("bcrypt");
var _generatePassword = require("password-generator");
var user_entity_1 = require("../entities/user.entity");
var logger_1 = require("../logger");
/**
* Encrypt a plain password. This method support async/await.
* @param plainPassword the original plain text password
* @return a promise with the ecrypted password
*/
function hashPassword(plainPassword) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, bcrypt.hash(plainPassword, 10)];
});
});
}
exports.hashPassword = hashPassword;
/**
* Verify that a plain password match with an encrypted hashPassword.
* This method support async/await
* @param plainPassword the plain text password
* @param hashPassword the encrypted (or hashed) password
* @return a promise, true if the two passwords match, false otherwise
*/
function verifyPassword(plainPassword, hashPassword) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, bcrypt.compare(plainPassword, hashPassword)];
});
});
}
exports.verifyPassword = verifyPassword;
/**
* Generate a new text plain password
* @return a new generated password
*/
function generatePassword() {
return _generatePassword(6);
}
exports.generatePassword = generatePassword;
/**
* Enum with self-explanatories errors for the user login method
*/
var UserErrors;
(function (UserErrors) {
UserErrors[UserErrors["NOT_FOUND"] = 1] = "NOT_FOUND";
UserErrors[UserErrors["WRONG_PASSWORD"] = 2] = "WRONG_PASSWORD";
})(UserErrors = exports.UserErrors || (exports.UserErrors = {}));
/**
* Execute the login of a user, using the standard User Entity.
* @param email the user email
* @param password the plain text password
* @return a promise, with an error if somethink goes wrong, or the user if the login was successul
*/
function performLogin(email, password) {
return __awaiter(this, void 0, void 0, function () {
var user;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, user_entity_1.default.findOne({ email: email })];
case 1:
user = _a.sent();
if (!user) {
return [2 /*return*/, UserErrors.NOT_FOUND];
}
return [4 /*yield*/, verifyPassword(password, user.password)];
case 2:
if (!(_a.sent())) {
return [2 /*return*/, UserErrors.WRONG_PASSWORD];
}
return [2 /*return*/, user];
}
});
});
}
exports.performLogin = performLogin;
/**
* Create a new cookie-based session for the user.
* @param req the standard Express session
* @param user the logged-in user
*/
function createUserSession(req, user) {
req.session.user_id = user.id;
}
exports.createUserSession = createUserSession;
/**
* Destoy (if any) the current user session.
* @param req the standard Express session
*/
function destroyUserSession(req) {
delete req.session.user_id;
}
exports.destroyUserSession = destroyUserSession;
/**
* Retrieve the user from the current session
* @param req the standard Express session
* @return a promise, with the user if logged, or undefined
*/
function retrieveUserFromSession(req) {
return __awaiter(this, void 0, void 0, function () {
var userId;
return __generator(this, function (_a) {
if (!req.session) {
logger_1.logger.error("No connection to REDIS!!!!");
process.exit(2);
}
userId = req.session.user_id;
if (!userId) {
return [2 /*return*/, new Promise(function (res, _) {
res(undefined);
})];
}
return [2 /*return*/, user_entity_1.default.findOne(userId)];
});
});
}
exports.retrieveUserFromSession = retrieveUserFromSession;
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