classes/auth_base.php

   1 <?php
   2 class Auth_Base {
   3         protected $link;
   4
   5         function __construct($link) {
   6                 $this->link = $link;
   7         }
   8
   9         function authenticate($login, $password) {
  10                 return false;
  11         }
  12
  13         // Auto-creates specified user if allowed by system configuration
  14         // Can be used instead of find_user_by_login() by external auth modules
  15         function auto_create_user($login) {
  16                 if ($login && defined('AUTH_AUTO_CREATE') && AUTH_AUTO_CREATE) {
  17                         $user_id = $this->find_user_by_login($login);
  18
  19                         if (!$user_id) {
  20                                 $login = db_escape_string($login);
  21                                 $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
  22                                 $pwd_hash = encrypt_password($password, $salt, true);
  23
  24                                 $query = "INSERT INTO ttrss_users
  25                                                 (login,access_level,last_login,created,pwd_hash,salt)
  26                                                 VALUES ('$login', 0, null, NOW(), '$pwd_hash','$salt')";
  27
  28                                 db_query($this->link, $query);
  29
  30                                 return $this->find_user_by_login($login);
  31
  32                         } else {
  33                                 return $user_id;
  34                         }
  35                 }
  36
  37                 return false;
  38         }
  39
  40         function find_user_by_login($login) {
  41                 $login = db_escape_string($login);
  42
  43                 $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE
  44                         login = '$login'");
  45
  46                 if (db_num_rows($result) > 0) {
  47                         return db_fetch_result($result, 0, "id");
  48                 } else {
  49                         return false;
  50                 }
  51
  52         }
  53 }
  54
  55 ?>