backend.php

   1 <?php
   2         set_include_path(get_include_path() . PATH_SEPARATOR .
   3                 dirname(__FILE__) . "/include");
   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 "functions.php";
  41         require_once "sessions.php";
  42         require_once "config.php";
  43         require_once "db.php";
  44         require_once "db-prefs.php";
  45
  46         no_cache_incantation();
  47
  48         startup_gettext();
  49
  50         $script_started = getmicrotime();
  51
  52         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  53
  54         if (!init_connection($link)) return;
  55
  56         header("Content-Type: text/plain; charset=utf-8");
  57
  58         if (ENABLE_GZIP_OUTPUT && function_exists("ob_gzhandler")) {
  59                 ob_start("ob_gzhandler");
  60         }
  61
  62         if (SINGLE_USER_MODE) {
  63                 authenticate_user($link, "admin", null);
  64         }
  65
  66         // TODO remove and handle within Handlers
  67
  68         /* if (!($_SESSION["uid"] && validate_session($link))) {
  69                 if ($op == 'pref-feeds' && $method == 'add') {
  70                         header("Content-Type: text/html");
  71                         login_sequence($link);
  72                         render_login_form($link);
  73                 } else {
  74                         header("Content-Type: text/plain");
  75                         print json_encode(array("error" => array("code" => 6)));
  76                 }
  77                 return;
  78         } */
  79
  80         $purge_intervals = array(
  81                 0  => __("Use default"),
  82                 -1 => __("Never purge"),
  83                 5  => __("1 week old"),
  84                 14 => __("2 weeks old"),
  85                 31 => __("1 month old"),
  86                 60 => __("2 months old"),
  87                 90 => __("3 months old"));
  88
  89         $update_intervals = array(
  90                 0   => __("Default interval"),
  91                 -1  => __("Disable updates"),
  92                 15  => __("Each 15 minutes"),
  93                 30  => __("Each 30 minutes"),
  94                 60  => __("Hourly"),
  95                 240 => __("Each 4 hours"),
  96                 720 => __("Each 12 hours"),
  97                 1440 => __("Daily"),
  98                 10080 => __("Weekly"));
  99
 100         $update_intervals_nodefault = array(
 101                 -1  => __("Disable updates"),
 102                 15  => __("Each 15 minutes"),
 103                 30  => __("Each 30 minutes"),
 104                 60  => __("Hourly"),
 105                 240 => __("Each 4 hours"),
 106                 720 => __("Each 12 hours"),
 107                 1440 => __("Daily"),
 108                 10080 => __("Weekly"));
 109
 110         $update_methods = array(
 111                 0   => __("Default"),
 112                 1   => __("Magpie"),
 113                 2   => __("SimplePie"));
 114
 115         if (DEFAULT_UPDATE_METHOD == "1") {
 116                 $update_methods[0] .= ' (SimplePie)';
 117         } else {
 118                 $update_methods[0] .= ' (Magpie)';
 119         }
 120
 121         $access_level_names = array(
 122                 0 => __("User"),
 123                 5 => __("Power User"),
 124                 10 => __("Administrator"));
 125
 126         #$error = sanity_check($link);
 127
 128         #if ($error['code'] != 0 && $op != "logout") {
 129         #       print json_encode(array("error" => $error));
 130         #       return;
 131         #}
 132
 133         $op = str_replace("-", "_", $op);
 134
 135         if (class_exists($op)) {
 136                 $handler = new $op($link, $_REQUEST);
 137
 138                 if ($handler && is_subclass_of($handler, 'Handler')) {
 139                         if (validate_csrf($csrf_token) || $handler->csrf_ignore($method)) {
 140                                 if ($handler->before($method)) {
 141                                         if ($method && method_exists($handler, $method)) {
 142                                                 $handler->$method();
 143                                         }
 144                                         $handler->after();
 145                                         return;
 146                                 } else {
 147                                         header("Content-Type: text/plain");
 148                                         print json_encode(array("error" => array("code" => 6)));
 149                                         return;
 150                                 }
 151                         } else {
 152                                 header("Content-Type: text/plain");
 153                                 print json_encode(array("error" => array("code" => 6)));
 154                                 return;
 155                         }
 156                 }
 157         }
 158
 159         header("Content-Type: text/plain");
 160         print json_encode(array("error" => array("code" => 7)));
 161
 162         // We close the connection to database.
 163         db_close($link);
 164 ?>