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<?php
/**
* Provides the user class, an interface to the user table in the database
*
* @author Camil Staps
*
* BusinessAdmin: administrative software for small companies
* Copyright (C) 2015 Camil Staps (ViviSoft)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* An interface to the user table in the database
*/
class User extends Model {
/** {@inheritDoc} */
public static
$table = 'user',
$fillable_columns = ['username', 'password'];
/**
* Generate a random password
*
* @return string The password
*/
public static function generateRandomPassword() {
return preg_replace('/[^\w]/', '',
base64_encode(bin2hex(openssl_random_pseudo_bytes(4))));
}
/**
* Hash a password
*
* @param string $password The password to be hashed
* @param int $cost The password cost
*
* @return string The hashed password
*/
public static function hash($password, $cost=null) {
return password_hash(
$password,
Constants::password_algo,
['cost' => is_null($cost) ? Constants::password_cost : $cost]
);
}
/**
* {@inheritDoc}
* @param $key {@inheritDoc}
* @param $value {@inheritDoc}
*/
protected static function mutator($key, $value) {
switch ($key) {
case 'password':
return self::hash($password);
break;
default:
return parent::mutator($key, $value);
}
}
/**
* Check if a user has administrator rights
*
* @return bool True iff the user has administrator rights
*/
public function isAdmin() {
return in_array($this->id, Constants::user_admins);
}
/**
* Verify a password
*
* @param string $password The password to verify
*
* @return bool True iff the password can be accepted
*/
public function verifyPassword($password) {
if (!password_verify($password, $this->password)) {
return false;
}
if (password_needs_rehash($this->password, Constants::password_algo,
['cost' => Constants::password_cost])) {
$this->password = $password;
}
return true;
}
}
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