Files
seasonedShows/seasoned_api/src/user/userSecurity.js

73 lines
2.1 KiB
JavaScript

const bcrypt = require('bcrypt');
const UserRepository = require('src/user/userRepository');
class UserSecurity {
constructor(database) {
this.userRepository = new UserRepository(database);
}
/**
* Create a new user in PlanFlix.
* @param {User} user the new user you want to create
* @param {String} clearPassword a password of the user
* @returns {Promise}
*/
createNewUser(user, clearPassword) {
if (user.username.trim() === '') {
throw new Error('The username is empty.');
} else if (clearPassword.trim() === '') {
throw new Error('The password is empty.');
} else {
return Promise.resolve()
.then(() => this.userRepository.create(user))
.then(() => UserSecurity.hashPassword(clearPassword))
.then(hash => this.userRepository.changePassword(user, hash));
}
}
/**
* Login into PlanFlix.
* @param {User} user the user you want to login
* @param {String} clearPassword the user's password
* @returns {Promise}
*/
login(user, clearPassword) {
return Promise.resolve()
.then(() => this.userRepository.retrieveHash(user))
.then(hash => UserSecurity.compareHashes(hash, clearPassword))
.catch(() => { throw new Error('Incorrect username or password.'); });
}
/**
* Compare between a password and a hash password from database.
* @param {String} hash the hash password from database
* @param {String} clearPassword the user's password
* @returns {Promise}
*/
static compareHashes(hash, clearPassword) {
return new Promise((resolve, reject) => {
bcrypt.compare(clearPassword, hash, (error, match) => {
if (match)
resolve()
reject()
});
});
}
/**
* Hashes a password.
* @param {String} clearPassword the user's password
* @returns {Promise}
*/
static hashPassword(clearPassword) {
return new Promise((resolve) => {
const salatRounds = 10;
bcrypt.hash(clearPassword, saltRounds, (error, hash) => {
resolve(hash);
});
});
}
}
module.exports = UserSecurity;