Questtype ?Textinput?: add support for field sizes (Issue #252) and general improvements
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coderkun
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344
models/UsersModel.inc
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344
models/UsersModel.inc
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<?php
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/**
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* The Legend of Z
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
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* @license http://www.gnu.org/licenses/gpl.html
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* @link https://bitbucket.org/coderkun/the-legend-of-z
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*/
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namespace hhu\z\models;
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/**
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* Model of the UsersAgent to list users and get their data.
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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*/
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class UsersModel extends \hhu\z\Model
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{
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/**
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* Construct a new UsersModel.
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*/
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public function __construct()
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{
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parent::__construct();
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}
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/**
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* Get registered users.
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*
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* @return array Users
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*/
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public function getUsers()
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{
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return $this->db->query(
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'SELECT id, created, username, url, surname, prename, email '.
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'FROM users '.
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'ORDER BY username ASC'
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);
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}
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/**
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* Get users with the given user role.
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*
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* @param string $userrole User role
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* @return array List of users
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*/
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public function getUsersWithRole($userrole)
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{
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return $this->db->query(
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'SELECT users.id, users.created, users.username, users.url, users.surname, users.prename, users.email '.
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'FROM users '.
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'LEFT JOIN users_userroles ON users_userroles.user_id = users.id '.
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'LEFT JOIN userroles ON userroles.id = users_userroles.userrole_id '.
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'WHERE userroles.name = ? '.
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'ORDER BY username ASC',
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's',
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$userrole
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);
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}
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/**
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* Get a user and its data by its ID.
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*
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* @throws IdNotFoundException
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* @param int $userId ID of an user
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* @return array Userdata
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*/
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public function getUserById($userId)
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{
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// Get user
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$user = $this->db->query(
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'SELECT id, created, username, url, surname, prename, email '.
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'FROM users '.
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'WHERE id = ?',
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'i',
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$userId
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);
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if(empty($user)) {
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throw new \nre\exceptions\IdNotFoundException($userId);
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}
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return $user[0];
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}
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/**
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* Get a user and its data by its URL-username.
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*
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* @throws IdNotFoundException
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* @param string $userUrl URL-Username of an user
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* @return array Userdata
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*/
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public function getUserByUrl($userUrl)
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{
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// Get user
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$user = $this->db->query(
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'SELECT id, created, username, url, surname, prename, email '.
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'FROM users '.
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'WHERE url = ?',
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's',
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$userUrl
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);
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if(empty($user)) {
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throw new \nre\exceptions\IdNotFoundException($userUrl);
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}
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return $user[0];
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}
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/**
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* Log a user in if its credentials are valid.
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*
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* @throws DatamodelException
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* @param string $username The name of the user to log in
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* @param string $password Plaintext password of the user to log in
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*/
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public function login($username, $password)
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{
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$data = $this->db->query('SELECT id, password FROM users WHERE username = ?', 's', $username);
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if(!empty($data))
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{
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$data = $data[0];
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if($this->verify($password, $data['password'])) {
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return $data['id'];
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}
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}
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return null;
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}
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/**
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* Check if an username already exists.
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*
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* @param string $username Username to check
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* @param int $userId Do not check this ID (for editing)
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* @return boolean Whether username exists or not
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*/
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public function usernameExists($username, $userId=null)
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{
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$data = $this->db->query(
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'SELECT id '.
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'FROM users '.
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'WHERE username = ? OR url = ?',
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'ss',
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$username,
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\nre\core\Linker::createLinkParam($username)
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);
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return (!empty($data) && (is_null($userId) || $userId != $data[0]['id']));
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}
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/**
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* Check if an e‑mail address already exists.
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*
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* @param string $email E‑mail address to check
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* @param int $userId Do not check this ID (for editing)
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* @return boolean Whether e‑mail address exists or not
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*/
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public function emailExists($email, $userId=null)
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{
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$data = $this->db->query(
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'SELECT id '.
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'FROM users '.
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'WHERE email = ?',
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's',
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$email
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);
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return (!empty($data) && (is_null($userId) || $userId != $data[0]['id']));
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}
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/**
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* Create a new user.
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*
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* @param string $username Username of the user to create
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* @param string $email E‑Mail-Address of the user to create
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* @param string $password Password of the user to create
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* @return int ID of the newly created user
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*/
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public function createUser($username, $prename, $surname, $email, $password)
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{
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$userId = null;
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$this->db->setAutocommit(false);
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try {
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// Create user
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$this->db->query(
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'INSERT INTO users '.
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'(username, url, surname, prename, email, password) '.
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'VALUES '.
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'(?, ?, ?, ?, ?, ?)',
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'ssssss',
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$username,
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\nre\core\Linker::createLinkParam($username),
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$surname,
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$prename,
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$email,
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$this->hash($password)
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);
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$userId = $this->db->getInsertId();
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// Add role “user”
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$this->db->query(
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'INSERT INTO users_userroles '.
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'(user_id, userrole_id) '.
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'SELECT ?, userroles.id '.
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'FROM userroles '.
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'WHERE userroles.name = ?',
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'is',
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$userId,
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'user'
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);
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}
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catch(Exception $e) {
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$this->db->rollback();
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$this->db->setAutocommit(true);
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throw $e;
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}
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$this->db->setAutocommit(true);
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return $userId;
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}
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/**
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* Edit a user.
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*
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* @throws DatamodelException
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* @param int $userId ID of the user to delete
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* @param string $username New name of user
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* @param string $email Changed e‑mail-address of user
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* @param string $password Changed plaintext password of user
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*/
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public function editUser($userId, $username, $prename, $surname, $email, $password)
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{
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$this->db->setAutocommit(false);
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try {
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// Update user data
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$this->db->query(
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'UPDATE users '.
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'SET username = ?, url = ?, prename = ?, surname = ?, email = ? '.
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'WHERE id = ?',
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'sssssi',
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$username,
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\nre\core\Linker::createLinkParam($username),
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$prename,
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$surname,
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$email,
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$userId
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);
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// Set new password
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if(!empty($password))
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{
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$this->db->query(
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'UPDATE users '.
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'SET password = ? '.
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'WHERE id = ?',
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'si',
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$this->hash($password),
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$userId
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);
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}
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}
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catch(Exception $e) {
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$this->db->rollback();
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$this->db->setAutocommit(true);
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throw $e;
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}
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$this->db->setAutocommit(true);
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}
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/**
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* Delete a user.
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*
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* @param int $userId ID of the user to delete
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*/
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public function deleteUser($userId)
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{
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$this->db->query('DELETE FROM users WHERE id = ?', 'i', $userId);
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}
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/**
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* Hash a password.
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*
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* @param string $password Plaintext password
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* @return string Hashed password
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*/
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public function hash($password)
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{
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if(!function_exists('password_hash')) {
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\hhu\z\lib\Password::load();
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}
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return password_hash($password, PASSWORD_DEFAULT);
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}
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/**
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* Verify a password.
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*
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* @param string $password Plaintext password to verify
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* @param string $hash Hashed password to match with
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* @return boolean Verified
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*/
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private function verify($password, $hash)
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{
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if(!function_exists('password_verify')) {
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\hhu\z\lib\Password::load();
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}
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return password_verify($password, $hash);
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}
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}
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?>
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