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			701 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			701 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * Class that encapsulates everything that can be done with a user
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|  */
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| class User
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| {
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|   private $id;
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|   private $name;
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|   private $surname;
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|   private $username;
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|   private $email;
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|   private $rank;
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|   private $active;
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| 
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|   /**
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|    * Gets user data from database and creates the class
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|    * @param int $id user ID
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|    */
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|   function __construct($id)
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|   {
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|     global $mysqli;
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|     $stmt = $mysqli->prepare("SELECT * FROM users WHERE id=?");
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|     $stmt->bind_param("d", $id);
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|     $stmt->execute();
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|     $query = $stmt->get_result();
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| 
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|     if (!$query->num_rows) {
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|       throw new Exception("User doesn't exist.");
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|       return;
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|     }
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| 
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|     $result = $query->fetch_array();
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|     $this->id = $id;
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|     $this->active = $result['active'];
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|     $this->name = $result['name'];
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|     $this->email = $result['email'];
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|     $this->surname = $result['surname'];
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|     $this->username = $result['username'];
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|     $this->rank = $result['permission'];
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|   }
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| 
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|   /**
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|    * Returns username of this user
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|    * @return String username
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|    */
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|   public function get_username()
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|   {
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|     return $this->username;
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|   }
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| 
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|   /**
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|    * Returns whether this user is active
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|    * @return Boolean user active status
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|    */
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|   public function is_active()
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|   {
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|     return $this->active;
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|   }
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| 
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|   /**
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|    * Returns rank of this user
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|    * @return int rank
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|    */
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|   public function get_rank()
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|   {
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|     return $this->rank;
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|   }
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| 
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|   /**
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|    * Returns full name of this user
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|    * @return String name in "Name Surname" format
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|    */
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|   public function get_name()
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|   {
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|     return $this->name . " " . $this->surname;
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|   }
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| 
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|   /**
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|    * Toggles active status of this user. First checks if the user
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|    * making the change has permission to do that.
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|    * @return void
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|    */
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|   public function toggle()
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|   {
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|     global $mysqli, $message, $user;
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| 
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|     $id = $_GET['id'];
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|     if ($this->id != $_SESSION['user'] && $user->get_rank() <= 1 && ($user->get_rank() < $this->rank)) {
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|       $stmt = $mysqli->prepare("UPDATE users SET active = !active WHERE id=?");
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|       $stmt->bind_param("i", $this->id);
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|       $stmt->execute();
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|       $stmt->close();
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|       header("Location: " . WEB_URL . "/admin/?do=user&id=" . $id);
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|     } else {
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|       $message = _("You don't have the permission to do that!");
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|     }
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|   }
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| 
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|   /**
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|    * Processes submitted form and adds user unless problem is encountered, 
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|    * calling this is possible only for Superadmin (other ranks cannot add users)
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|    * or when the installation script is being run. Also checks requirements
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|    * for username and email being unique and char limits.
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|    * @return void
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|    */
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|   public static function add()
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|   {
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|     global $user, $message, $mysqli;
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|     if (INSTALL_OVERRIDE || $user->get_rank() == 0) {
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|       if (strlen(trim($_POST['name'])) == 0) {
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|         $messages[] = _("Name");
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|       }
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|       if (strlen(trim($_POST['surname'])) == 0) {
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|         $messages[] = _("Surname");
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|       }
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|       if (strlen(trim($_POST['email'])) == 0) {
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|         $messages[] = _("Email");
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|       }
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|       if (strlen(trim($_POST['password'])) == 0) {
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|         $messages[] = _("Password");
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|       }
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|       if (!isset($_POST['permission'])) {
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|         $messages[] = _("Rank");
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|       }
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| 
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|       if (isset($messages)) {
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|         $message = "Please enter " . implode(", ", $messages);
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|         return;
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|       }
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| 
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|       $name = $_POST['name'];
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|       $surname = $_POST['surname'];
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|       $username = $_POST['username'];
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|       $email = $_POST['email'];
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|       $pass = $_POST['password'];
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| 
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|       if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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|         $message = "Invalid email!";
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|         return;
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|       }
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| 
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|       $variables = array();
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|       if (strlen($name) > 50) {
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|         $variables[] = 'name: 50';
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|       }
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|       if (strlen($surname) > 50) {
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|         $variables[] = 'surname: 50';
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|       }
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|       if (strlen($username) > 50) {
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|         $variables[] = 'username: 50';
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|       }
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|       if (strlen($email) > 60) {
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|         $variables[] = 'email: 60';
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|       }
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| 
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| 
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|       if (!empty($variables)) {
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|         $message = _("Please mind the following character limits: ");
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|         $message .= implode(", ", $variables);
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|         return;
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|       }
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| 
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|       $salt = uniqid(mt_rand(), true);
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|       $hash = hash('sha256', $pass . $salt);
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|       $permission = $_POST['permission'];
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| 
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| 
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|       $stmt = $mysqli->prepare("INSERT INTO users values (NULL, ?, ?, ?, ?, ?, ?, ?, 1)");
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|       $stmt->bind_param("ssssssi", $email, $username, $name, $surname, $hash, $salt, $permission);
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|       $stmt->execute();
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| 
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|       if ($stmt->affected_rows == 0) {
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|         $message = _("Username or email already used");
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|         return;
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|       }
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| 
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|       $to      = $email;
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|       $subject = _('User account created') . ' - ' . NAME;
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|       $msg = sprintf(_("Hi %s!<br>" . "Your account has been created. You can login with your email address at <a href=\"%s\">%s</a> with password %s - please change it as soon as possible."), $name . " " . $surname, WEB_URL . "/admin", WEB_URL . "/admin", $pass);
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|       $headers = "Content-Type: text/html; charset=utf-8 " . PHP_EOL;
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|       $headers .= "MIME-Version: 1.0 " . PHP_EOL;
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|       $headers .= "From: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
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|       $headers .= "Reply-To: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
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| 
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|       mail($to, $subject, $msg, $headers);
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|       if (!INSTALL_OVERRIDE) {
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|         header("Location: " . WEB_URL . "/admin/?do=settings");
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|       }
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|     } else {
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|       $message = _("You don't have the permission to do that!");
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|     }
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|   }
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| 
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|   /**
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|    * Processes submitted form and logs user in, unless the user is deactivated or wrong
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|    * password or email has been submitted. The script doesn't let anyone know which
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|    * field was wrong as it is not possible to verify email address from outside admin panel,
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|    * so this actually helps with security :)
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|    * @return void
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|    */
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|   public static function login()
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|   {
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|     global $message, $mysqli;
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|     if (!isset($_POST['email']) && !isset($_POST['email'])) {
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|       return;
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|     }
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| 
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|     if ((!isset($_POST['email']) || !isset($_POST['email']))) {
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|       $message = _("Please fill in your email and password!");
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|       return;
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|     }
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|     $email = $_POST['email'];
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|     $pass = $_POST['pass'];
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| 
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|     $stmt = $mysqli->prepare("SELECT id,password_salt as salt,active FROM users WHERE email=?");
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|     $stmt->bind_param("s", $email);
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|     $stmt->execute();
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|     $query = $stmt->get_result();
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| 
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|     if ($query->num_rows < 1) {
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|       $message = _("Wrong email or password");
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|       return;
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|     }
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| 
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|     $result = $query->fetch_assoc();
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|     $salt = $result["salt"];
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|     $id =  $result["id"];
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|     $active =  $result["active"];
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| 
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|     if (!$active) {
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|       $message = _("Your account has been disabled. Please contact administrator.");
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|       return;
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|     }
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| 
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|     $hash = hash('sha256', $pass . $salt);
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|     $stmt = $mysqli->prepare("SELECT count(*) as count FROM users WHERE id=? AND password_hash=?");
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|     $stmt->bind_param("is", $id, $hash);
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|     $stmt->execute();
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|     $query = $stmt->get_result();
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| 
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|     if (!$query->fetch_assoc()['count']) {
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|       $message = _("Wrong email or password");
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|       return;
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|     }
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| 
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|     if (isset($_POST['remember']) && $_POST['remember']) {
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|       $year = strtotime('+356 days', time());
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|       $token = Token::add($id, 'remember', $year);
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|       setcookie('token', $token, $year, "/");
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|       setcookie('user', $id, $year, "/");
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|     }
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| 
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|     $_SESSION['user'] = $id;
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|     header("Location: " . WEB_URL . "/admin");
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|   }
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| 
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|   /**
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|    * Checks whether token is valid (this means is in database and associated
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|    * with the user) and sets session data if it is, so user remains logged in.
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|    * The script deletes the token either way.
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|    * @return void
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|    */
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|   public static function restore_session()
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|   {
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|     global $message;
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|     $id = $_COOKIE['user'];
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|     $token = $_COOKIE['token'];
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| 
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|     if (Token::validate($token, $id, "remember")) {
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|       $year = strtotime('+356 days', time());
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|       unset($_COOKIE['token']);
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|       $_SESSION['user'] = $id;
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|       $new_token = Token::add($id, 'remember', $year);
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|       setcookie('token', $new_token, $year, "/");
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|       setcookie('user', $id, $year, "/");
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|     } else {
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|       unset($_COOKIE['user']);
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|       unset($_COOKIE['token']);
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|       setcookie('user', null, -1, '/');
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|       setcookie('token', null, -1, '/');
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|       $message = _("Invalid token detected, please login again!");
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|     }
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| 
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|     Token::delete($token);
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|   }
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|   /**
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|    * Renders settings for this user so it can be displayed in admin panel.
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|    * @return void
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|    */
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|   public function render_user_settings()
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|   {
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|     global $permissions, $user;
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| ?>
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|     <div class="row user">
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|       <div class="col-md-2 col-md-offset-2"><img src="https://www.gravatar.com/avatar/<?php echo md5(strtolower(trim($this->email))); ?>?s=160" alt="<?php echo _("Profile picture"); ?>"></div>
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|       <div class="col-md-6">
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|         <?php if ($this->id == $_SESSION['user'] || $user->get_rank() < 1) {
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|         ?>
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|           <form action="<?php echo WEB_URL; ?>/admin/?do=user&id=<?php echo $this->id; ?>" method="POST">
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|             <div class="input-group">
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|               <div class="col-md-12">
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|                 <div class="row">
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|                   <label class="form-name" for="name"><?php echo _("Name"); ?></label>
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|                   <label class="form-name" for="surname"><?php echo _("Surname"); ?></label>
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|                 </div>
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|                 <div class="row">
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|                   <input type="text" name="name" placeholder="<?php echo _("Name"); ?>" title="<?php echo _("Name"); ?>" class="form-control form-name" value=<?php echo htmlspecialchars($this->name, ENT_QUOTES); ?>>
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|                   <input type="text" name="surname" placeholder="<?php echo _("Surname"); ?>" title="<?php echo _("Surname"); ?>" class="form-control form-name" value=<?php echo htmlspecialchars($this->surname, ENT_QUOTES); ?>>
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|                 </div>
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|               </div>
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|             </div>
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|             <div class="input-group">
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|               <button type="submit" class="btn btn-primary pull-right"><?php echo _("Change name"); ?></button>
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|             </div>
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|           </form>
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|         <?php
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|         } else {
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|         ?>
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|           <h3><?php echo $this->name . " " . $this->surname; ?></h3>
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|         <?php
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|         } ?>
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|       </div>
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|     </div>
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|     <form action="<?php echo WEB_URL; ?>/admin/?do=user&id=<?php echo $this->id; ?>" method="POST">
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|       <div class="row user">
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|         <div class="col-md-2 col-md-offset-2"><strong><?php echo _("Username"); ?></strong></div>
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|         <div class="col-md-6">
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|           <?php
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|           if ($this->id == $_SESSION['user'] || $user->get_rank() < 1) { ?>
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|             <div class="input-group">
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|               <input type="text" class="form-control" name="username" required value="<?php echo htmlspecialchars($this->username, ENT_QUOTES); ?>">
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|               <span class="input-group-btn">
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|                 <button type="submit" class="btn btn-primary pull-right"><?php echo _("Change username"); ?></button>
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|               </span>
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|             </div>
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|             <?php
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|           } else { ?><?php echo $this->username . " ";
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|                   if ($user->get_rank() >= 1) {
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|                     echo "<i class='fa fa-" . ($this->active ? "check success" : "times danger") . "'></i>";
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|                   }
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|                 }
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|                   ?>
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|         </div>
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|       </div>
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|     </form>
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| 
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|     <form action="<?php echo WEB_URL; ?>/admin/?do=user&id=<?php echo $this->id; ?>" method="POST">
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|       <div class="row user">
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|         <div class="col-md-2 col-md-offset-2"><strong><?php echo _("Role"); ?></strong></div>
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|         <div class="col-md-6"><?php if ($user->get_rank() == 0 && $this->id != $_SESSION['user']) { ?>
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|             <div class="input-group"><select class="form-control" name="permission">
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|                 <?php foreach ($permissions as $key => $value) {
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|                                   echo "<option value='$key' " . ($key == $this->rank ? "selected" : "") . ">$value</option>";
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|                                 } ?>
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|               </select><span class="input-group-btn">
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|                 <button type="submit" class="btn btn-primary pull-right"><?php echo _("Change role"); ?></button>
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|               </span>
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|             </div><?php } else {
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|                                 echo $permissions[$this->rank];
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|                               } ?>
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|         </div>
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|       </div>
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|     </form>
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| 
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|     <?php if ($this->id == $_SESSION['user'] || $user->get_rank() < 1) { ?>
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|       <form action="<?php echo WEB_URL; ?>/admin/?do=user&id=<?php echo $this->id; ?>" method="POST">
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|         <div class="row user">
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|           <div class="col-md-2 col-md-offset-2"><strong>Email</strong></div>
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|           <div class="col-md-6">
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|             <div class="input-group">
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|               <input type="email" class="form-control" name="email" value="<?php echo $this->email; ?>">
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|               <span class="input-group-btn">
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|                 <button type="submit" class="btn btn-primary pull-right"><?php echo _("Change email"); ?></button>
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|               </span>
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|             </div>
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|           </div>
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|         </div>
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|       </form>
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|     <?php } else {
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|     ?>
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|       <div class="row user">
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|         <div class="col-md-2 col-md-offset-2"><strong><?php echo _("Email"); ?></strong></div>
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|         <div class="col-md-6">
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|           <a href="mailto:<?php echo $this->email; ?>"><?php echo $this->email; ?></a>
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|         </div>
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|       </div>
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|     <?php
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|     }
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| 
 | |
|     if ($this->id == $_SESSION['user']) {
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|     ?>
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| 
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|       <form action="<?php echo WEB_URL; ?>/admin/?do=user" method="POST">
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|         <div class="row">
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|           <div class="col-md-2 col-md-offset-2"><strong><?php echo _("Password"); ?></strong></div>
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|           <div class="col-md-6">
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|             <label for="password"><?php echo _("Old password"); ?></label>
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|             <input id="password" placeholder="<?php echo _("Old password"); ?>" type="password" class="form-control" name="old_password">
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|             <label for="new_password"><?php echo _("New password"); ?></label>
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|             <input id="new_password" placeholder="<?php echo _("New password"); ?>" type="password" class="form-control" name="password">
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|             <label for="new_password_check"><?php echo _("Repeat password"); ?></label>
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|             <input id="new_password_check" placeholder="<?php echo _("Repeat password"); ?>" type="password" class="form-control" name="password_repeat">
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|             <button type="submit" class="btn btn-primary pull-right margin-top"><?php echo _("Change password"); ?></button>
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|           </div>
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|         </div>
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|       </form>
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|     <?php
 | |
|     }
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| 
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|     if ($this->id != $_SESSION['user'] && $user->get_rank() <= 1 && ($user->get_rank() < $this->rank)) { ?>
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|       <div class="row">
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|         <div class="col-md-2 col-md-offset-2"></div>
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|         <div class="col-md-6">
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|           <?php
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|           if ($this->active) {
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|             echo '<a href="' . WEB_URL . '/admin/?do=user&id=' . $this->id . '&what=toggle" class="btn btn-danger">' . _("Deactivate user") . "</a>";
 | |
|           } else {
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|             echo '<a href="' . WEB_URL . '/admin/?do=user&id=' . $this->id . '&what=toggle" class="btn btn-success">' . _("Activate user") . "</a>";
 | |
|           }
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|           ?>
 | |
|         </div>
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|       </div>
 | |
| <?php }
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|   }
 | |
| 
 | |
|   /**
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|    * Changes username of user by POST[ID].
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|    * @return void
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|    */
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|   public function change_username()
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|   {
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|     global $mysqli, $message, $user;
 | |
|     $id = $this->id;
 | |
| 
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|     $stmt = $mysqli->prepare("SELECT count(*) FROM users WHERE username LIKE ?");
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|     $stmt->bind_param("s", $_POST["username"]);
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|     $stmt->execute();
 | |
|     if ($stmt->num_rows > 0) {
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|       $message = _("This username is already taken.");
 | |
|       return;
 | |
|     }
 | |
|     $stmt->close();
 | |
| 
 | |
|     if ($_SESSION['user'] != $id && $user->get_rank() > 0) {
 | |
|       $message = _("Cannot change username of other users!");
 | |
|     } else {
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|       $stmt = $mysqli->prepare("UPDATE users SET username = ? WHERE id=?");
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|       $stmt->bind_param("si", $_POST["username"], $id);
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|       $stmt->execute();
 | |
|       $stmt->close();
 | |
|       header("Location:  " . WEB_URL . "/admin/?do=user&id=" . $id);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Changes name and surname of user by POST[ID].
 | |
|    * @return void
 | |
|    */
 | |
|   public function change_name()
 | |
|   {
 | |
|     global $mysqli, $message, $user;
 | |
|     if (strlen(trim($_POST['name'])) == 0) {
 | |
|       $messages[] = _("Name");
 | |
|     }
 | |
|     if (strlen(trim($_POST['surname'])) == 0) {
 | |
|       $messages[] = _("Surname");
 | |
|     }
 | |
| 
 | |
|     if (!empty($messages)) {
 | |
|       $message = "Please enter " . implode(", ", $messages);
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     $id = $this->id;
 | |
| 
 | |
|     if ($_SESSION['user'] != $id && $user->get_rank() > 0) {
 | |
|       $message = _("Cannot change names of other users!");
 | |
|     } else {
 | |
|       $stmt = $mysqli->prepare("UPDATE users SET `name` = ?, `surname` = ?  WHERE id=?");
 | |
|       $stmt->bind_param("ssi", $_POST["name"], $_POST["surname"], $id);
 | |
|       $stmt->execute();
 | |
|       $stmt->close();
 | |
|       header("Location:  " . WEB_URL . "/admin/?do=user&id=" . $id);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Changes user password and deletes all remember tokens so all other sessions 
 | |
|    * won't stay logged in without knowing new pass. Uses token when reseting password.
 | |
|    * @param String $token
 | |
|    * @return void
 | |
|    */
 | |
|   public function change_password($token = false)
 | |
|   {
 | |
|     global $mysqli, $message;
 | |
|     $id = $this->id;
 | |
|     if ($_POST['password'] != $_POST['password_repeat']) {
 | |
|       $message = _("Passwords do not match!");
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     if (!$token) {
 | |
|       if ($_SESSION['user'] != $id) {
 | |
|         $message = _("Cannot change password of other users!");
 | |
|       } else {
 | |
|         $stmt = $mysqli->prepare("SELECT password_salt as salt FROM users WHERE id=?");
 | |
|         $stmt->bind_param("i", $id);
 | |
|         $stmt->execute();
 | |
|         $query = $stmt->get_result();
 | |
|         $result = $query->fetch_assoc();
 | |
| 
 | |
|         $salt = $result['salt'];
 | |
|         $pass = $_POST['old_password'];
 | |
|         $hash = hash('sha256', $pass . $salt);
 | |
| 
 | |
|         $stmt = $mysqli->prepare("SELECT count(*) as count FROM users WHERE id=? AND password_hash = ?");
 | |
|         $stmt->bind_param("is", $id, $hash);
 | |
|         $stmt->execute();
 | |
| 
 | |
|         if ($stmt->get_result()->fetch_assoc()['count']) {
 | |
|           $pass = $_POST['password'];
 | |
|           $hash = hash('sha256', $pass . $salt);
 | |
|           $stmt = $mysqli->prepare("UPDATE users SET password_hash = ? WHERE id=?");
 | |
|           $stmt->bind_param("si", $hash, $id);
 | |
|           $stmt->execute();
 | |
|           $stmt->close();
 | |
| 
 | |
|           $stmt = $mysqli->prepare("DELETE FROM tokens WHERE user = ? AND data = 'remember'");
 | |
|           $stmt->bind_param("d", $id);
 | |
|           $stmt->execute();
 | |
|           $stmt->get_result();
 | |
| 
 | |
|           User::logout();
 | |
|         } else {
 | |
|           $message = _("Wrong password!");
 | |
|         }
 | |
|       }
 | |
|     } else {
 | |
|       if (Token::validate($token, $id, "passwd")) {
 | |
|         $stmt = $mysqli->prepare("SELECT password_salt as salt FROM users WHERE id=?");
 | |
|         $stmt->bind_param("i", $id);
 | |
|         $stmt->execute();
 | |
|         $query = $stmt->get_result();
 | |
|         $result = $query->fetch_assoc();
 | |
| 
 | |
|         $salt = $result['salt'];
 | |
|         $pass = $_POST['password'];
 | |
|         $hash = hash('sha256', $pass . $salt);
 | |
| 
 | |
|         $stmt = $mysqli->prepare("UPDATE users SET password_hash = ? WHERE id=?");
 | |
|         $stmt->bind_param("si", $hash, $id);
 | |
|         $stmt->execute();
 | |
|         $stmt->close();
 | |
| 
 | |
|         $stmt = $mysqli->prepare("DELETE FROM tokens WHERE user = ? AND data = 'remember'");
 | |
|         $stmt->bind_param("d", $id);
 | |
|         $stmt->execute();
 | |
|         $stmt->get_result();
 | |
|       } else {
 | |
|         $message = _("Invalid token detected, please retry your request from start!");
 | |
|       }
 | |
|       Token::delete($token);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Sends email with link for password reset, link is token protected and valid only once.
 | |
|    * @return void
 | |
|    */
 | |
|   public static function password_link()
 | |
|   {
 | |
|     global $mysqli;
 | |
|     $email = $_POST['email'];
 | |
| 
 | |
|     $stmt = $mysqli->prepare("SELECT id FROM users WHERE email=?");
 | |
|     $stmt->bind_param("s", $email);
 | |
|     $stmt->execute();
 | |
|     $query = $stmt->get_result();
 | |
| 
 | |
|     $id = $query->fetch_assoc()['id'];
 | |
|     $time = strtotime('+1 day', time());
 | |
| 
 | |
|     $token = Token::add($id, 'passwd', $time);
 | |
| 
 | |
|     $link = WEB_URL . "/admin/?do=lost-password&id=$id&token=$token";
 | |
|     $to      = $email;
 | |
|     $user = new User($id);
 | |
|     $subject = _('Reset password') . ' - ' . NAME;
 | |
|     $msg = sprintf(_("Hi %s!<br>Below you will find link to change your password. The link is valid for 24hrs. If you didn't request this, feel free to ignore it. <br><br><a href=\"%s\">RESET PASSWORD</a><br><br>If the link doesn't work, copy & paste it into your browser: <br>%s"), $user->get_name(), $link, $link);
 | |
|     $headers = "Content-Type: text/html; charset=utf-8 " . PHP_EOL;
 | |
|     $headers .= "MIME-Version: 1.0 " . PHP_EOL;
 | |
|     $headers .= "From: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
 | |
|     $headers .= "Reply-To: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
 | |
| 
 | |
|     mail($to, $subject, $msg, $headers);
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Sends email with link for email change confirmation (security reasons), link is token protected and valid only once.
 | |
|    * @return void
 | |
|    */
 | |
|   public function email_link()
 | |
|   {
 | |
|     global $user, $mysqli;
 | |
| 
 | |
|     $email = $_POST['email'];
 | |
|     $id = $this->id;
 | |
| 
 | |
|     if ($user->get_rank() < 1 && $id != $_SESSION['user']) {
 | |
|       $stmt = $mysqli->prepare("UPDATE users SET email = ? WHERE id=?");
 | |
|       $stmt->bind_param("sd", $email, $id);
 | |
|       $stmt->execute();
 | |
|       $stmt->get_result();
 | |
|       header("Location: " . WEB_URL . "/admin/?do=user&id=" . $id);
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     $time = strtotime('+1 day', time());
 | |
| 
 | |
|     $token = Token::add($id, 'email;$email', $time);
 | |
| 
 | |
|     $link = WEB_URL . "/admin/?do=change-email&id=$id&token=$token";
 | |
|     $to      = $email;
 | |
|     $subject = _('Email change') . ' - ' . NAME;
 | |
|     $msg = sprintf(_("Hi %s!<br>Below you will find link to change your email. The link is valid for 24hrs. If you didn't request this, feel free to ignore it. <br><br><a href=\"%s\">CHANGE EMAIL</a><br><br>If the link doesn't work, copy & paste it into your browser: <br>%s"), $user->get_name(), $link, $link);
 | |
|     $headers = "Content-Type: text/html; charset=utf-8 " . PHP_EOL;
 | |
|     $headers .= "MIME-Version: 1.0 " . PHP_EOL;
 | |
|     $headers .= "From: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
 | |
|     $headers .= "Reply-To: " . MAILER_NAME . ' <' . MAILER_ADDRESS . '>' . PHP_EOL;
 | |
| 
 | |
|     mail($to, $subject, $msg, $headers);
 | |
|     return _('Confirmation email sent!');
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Changes email.
 | |
|    * @return void
 | |
|    */
 | |
|   public function change_email()
 | |
|   {
 | |
|     global $mysqli, $message;
 | |
|     $token = $_GET['token'];
 | |
|     $id = $_GET['id'];
 | |
| 
 | |
|     if (Token::validate($token, $id, "email;%")) {
 | |
|       $data = explode(";", Token::get_data($token, $id));
 | |
| 
 | |
|       $email = $data[1];
 | |
| 
 | |
|       $stmt = $mysqli->prepare("UPDATE users SET email = ? WHERE id=?");
 | |
|       $stmt->bind_param("sd", $email, $id);
 | |
|       $stmt->execute();
 | |
|       $stmt->get_result();
 | |
|       Token::delete($token);
 | |
|       header("Location: " . WEB_URL . "/admin/");
 | |
|     } else {
 | |
|       $message = _("Invalid token detected, please retry your request from start!");
 | |
|     }
 | |
| 
 | |
|     Token::delete($token);
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Logs current user out.
 | |
|    * @return void
 | |
|    */
 | |
|   public static function logout()
 | |
|   {
 | |
|     session_unset();
 | |
|     if (isset($_COOKIE['token'])) {
 | |
|       $token = $_COOKIE['token'];
 | |
|       Token::delete($token);
 | |
|       unset($_COOKIE['user']);
 | |
|       unset($_COOKIE['token']);
 | |
|       setcookie('user', null, -1, '/');
 | |
|       setcookie('token', null, -1, '/');
 | |
|     }
 | |
|     header("Location: " . WEB_URL . "/admin");
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Changes permissions of current user - only super admin can do this, so it checks permission first.
 | |
|    * @return void
 | |
|    */
 | |
|   public function change_permission()
 | |
|   {
 | |
|     global $mysqli, $message, $user;
 | |
|     if ($user->get_rank() == 0) {
 | |
|       $permission = $_POST['permission'];
 | |
|       $id = $_GET['id'];
 | |
|       $stmt = $mysqli->prepare("UPDATE users SET permission=? WHERE id=?");
 | |
|       $stmt->bind_param("si", $permission, $id);
 | |
|       $stmt->execute();
 | |
|       header("Location: " . WEB_URL . "/admin/?do=user&id=" . $id);
 | |
|     } else {
 | |
|       $message = _("You don't have permission to do that!");
 | |
|     }
 | |
|   }
 | |
| }
 |