backend.php

   1 <?php
   2         set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
   3                 get_include_path());
   4
   5         /* remove ill effects of magic quotes */
   6
   7         if (get_magic_quotes_gpc()) {
   8                 function stripslashes_deep($value) {
   9                         $value = is_array($value) ?
  10                                 array_map('stripslashes_deep', $value) : stripslashes($value);
  11                                 return $value;
  12                 }
  13
  14                 $_POST = array_map('stripslashes_deep', $_POST);
  15                 $_GET = array_map('stripslashes_deep', $_GET);
  16                 $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
  17                 $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
  18         }
  19
  20         $op = $_REQUEST["op"];
  21         @$method = $_REQUEST['subop'] ? $_REQUEST['subop'] : $_REQUEST["method"];
  22
  23         if (!$method)
  24                 $method = 'index';
  25         else
  26                 $method = strtolower($method);
  27
  28         /* Public calls compatibility shim */
  29
  30         $public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
  31                 "fbexport", "logout", "pubsub");
  32
  33         if (array_search($op, $public_calls) !== false) {
  34                 header("Location: public.php?" . $_SERVER['QUERY_STRING']);
  35                 return;
  36         }
  37
  38         @$csrf_token = $_REQUEST['csrf_token'];
  39
  40         require_once "sessions.php";
  41         require_once "functions.php";
  42         require_once "config.php";
  43         require_once "db.php";
  44         require_once "db-prefs.php";
  45
  46         startup_gettext();
  47
  48         $script_started = microtime(true);
  49
  50         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  51
  52         if (!init_connection($link)) return;
  53
  54         header("Content-Type: text/json; charset=utf-8");
  55
  56         if (ENABLE_GZIP_OUTPUT && function_exists("ob_gzhandler")) {
  57                 ob_start("ob_gzhandler");
  58         }
  59
  60         if (SINGLE_USER_MODE) {
  61                 authenticate_user($link, "admin", null);
  62         }
  63
  64         if ($_SESSION["uid"]) {
  65                 if (!validate_session($link)) {
  66                         header("Content-Type: text/json");
  67                         print json_encode(array("error" => array("code" => 6)));
  68                         return;
  69                 }
  70                 load_user_plugins($link, $_SESSION["uid"]);
  71         }
  72
  73         $purge_intervals = array(
  74                 0  => __("Use default"),
  75                 -1 => __("Never purge"),
  76                 5  => __("1 week old"),
  77                 14 => __("2 weeks old"),
  78                 31 => __("1 month old"),
  79                 60 => __("2 months old"),
  80                 90 => __("3 months old"));
  81
  82         $update_intervals = array(
  83                 0   => __("Default interval"),
  84                 -1  => __("Disable updates"),
  85                 15  => __("Each 15 minutes"),
  86                 30  => __("Each 30 minutes"),
  87                 60  => __("Hourly"),
  88                 240 => __("Each 4 hours"),
  89                 720 => __("Each 12 hours"),
  90                 1440 => __("Daily"),
  91                 10080 => __("Weekly"));
  92
  93         $update_intervals_nodefault = array(
  94                 -1  => __("Disable updates"),
  95                 15  => __("Each 15 minutes"),
  96                 30  => __("Each 30 minutes"),
  97                 60  => __("Hourly"),
  98                 240 => __("Each 4 hours"),
  99                 720 => __("Each 12 hours"),
 100                 1440 => __("Daily"),
 101                 10080 => __("Weekly"));
 102
 103         $access_level_names = array(
 104                 0 => __("User"),
 105                 5 => __("Power User"),
 106                 10 => __("Administrator"));
 107
 108         #$error = sanity_check($link);
 109
 110         #if ($error['code'] != 0 && $op != "logout") {
 111         #       print json_encode(array("error" => $error));
 112         #       return;
 113         #}
 114
 115         $op = str_replace("-", "_", $op);
 116
 117         global $pluginhost;
 118         $override = $pluginhost->lookup_handler($op, $method);
 119
 120         if (class_exists($op) || $override) {
 121
 122                 if ($override) {
 123                         $handler = $override;
 124                 } else {
 125                         $handler = new $op($link, $_REQUEST);
 126                 }
 127
 128                 if ($handler && implements_interface($handler, 'IHandler')) {
 129                         if (validate_csrf($csrf_token) || $handler->csrf_ignore($method)) {
 130                                 if ($handler->before($method)) {
 131                                         if ($method && method_exists($handler, $method)) {
 132                                                 $handler->$method();
 133                                         } else {
 134                                                 if (method_exists($handler, "catchall")) {
 135                                                         $handler->catchall($method);
 136                                                 }
 137                                         }
 138                                         $handler->after();
 139                                         return;
 140                                 } else {
 141                                         header("Content-Type: text/json");
 142                                         print json_encode(array("error" => array("code" => 6)));
 143                                         return;
 144                                 }
 145                         } else {
 146                                 header("Content-Type: text/json");
 147                                 print json_encode(array("error" => array("code" => 6)));
 148                                 return;
 149                         }
 150                 }
 151         }
 152
 153         header("Content-Type: text/json");
 154         print json_encode(array("error" => array("code" => 7)));
 155
 156         // We close the connection to database.
 157         db_close($link);
 158 ?>