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         /* Public calls compatibility shim */
  24
  25         $public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
  26                 "fbexport", "logout", "pubsub");
  27
  28         if (array_search($op, $public_calls) !== false) {
  29                 header("Location: public.php?" . $_SERVER['QUERY_STRING']);
  30                 return;
  31         }
  32
  33         require_once "functions.php";
  34         require_once "sessions.php";
  35         require_once "sanity_check.php";
  36         require_once "config.php";
  37         require_once "db.php";
  38         require_once "db-prefs.php";
  39
  40         no_cache_incantation();
  41
  42         startup_gettext();
  43
  44         $script_started = getmicrotime();
  45
  46         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  47
  48         if (!init_connection($link)) return;
  49
  50         header("Content-Type: text/plain; charset=utf-8");
  51
  52         if (ENABLE_GZIP_OUTPUT) {
  53                 ob_start("ob_gzhandler");
  54         }
  55
  56         if (SINGLE_USER_MODE) {
  57                 authenticate_user($link, "admin", null);
  58         }
  59
  60         // TODO remove and handle within Handlers
  61
  62         if (!($_SESSION["uid"] && validate_session($link))) {
  63                 if ($op == 'pref-feeds' && $method == 'add') {
  64                         header("Content-Type: text/html");
  65                         login_sequence($link);
  66                         render_login_form($link);
  67                 } else {
  68                         header("Content-Type: text/plain");
  69                         print json_encode(array("error" => array("code" => 6)));
  70                 }
  71                 return;
  72         }
  73
  74         $purge_intervals = array(
  75                 0  => __("Use default"),
  76                 -1 => __("Never purge"),
  77                 5  => __("1 week old"),
  78                 14 => __("2 weeks old"),
  79                 31 => __("1 month old"),
  80                 60 => __("2 months old"),
  81                 90 => __("3 months old"));
  82
  83         $update_intervals = array(
  84                 0   => __("Default interval"),
  85                 -1  => __("Disable updates"),
  86                 15  => __("Each 15 minutes"),
  87                 30  => __("Each 30 minutes"),
  88                 60  => __("Hourly"),
  89                 240 => __("Each 4 hours"),
  90                 720 => __("Each 12 hours"),
  91                 1440 => __("Daily"),
  92                 10080 => __("Weekly"));
  93
  94         $update_intervals_nodefault = array(
  95                 -1  => __("Disable updates"),
  96                 15  => __("Each 15 minutes"),
  97                 30  => __("Each 30 minutes"),
  98                 60  => __("Hourly"),
  99                 240 => __("Each 4 hours"),
 100                 720 => __("Each 12 hours"),
 101                 1440 => __("Daily"),
 102                 10080 => __("Weekly"));
 103
 104         $update_methods = array(
 105                 0   => __("Default"),
 106                 1   => __("Magpie"),
 107                 2   => __("SimplePie"),
 108                 3   => __("Twitter OAuth"));
 109
 110         if (DEFAULT_UPDATE_METHOD == "1") {
 111                 $update_methods[0] .= ' (SimplePie)';
 112         } else {
 113                 $update_methods[0] .= ' (Magpie)';
 114         }
 115
 116         $access_level_names = array(
 117                 0 => __("User"),
 118                 5 => __("Power User"),
 119                 10 => __("Administrator"));
 120
 121         $error = sanity_check($link);
 122
 123         if ($error['code'] != 0 && $op != "logout") {
 124                 print json_encode(array("error" => $error));
 125                 return;
 126         }
 127
 128         function __autoload($class) {
 129                 $file = "classes/".strtolower(basename($class)).".php";
 130                 if (file_exists($file)) {
 131                         require $file;
 132                 }
 133         }
 134
 135         $op = str_replace("-", "_", $op);
 136
 137         if (class_exists($op)) {
 138                 $handler = new $op($link, $_REQUEST);
 139
 140                 if ($handler) {
 141                         if ($handler->before($method)) {
 142                                 if ($method && method_exists($handler, $method)) {
 143                                         $handler->$method();
 144                                 } else if (method_exists($handler, 'index')) {
 145                                         $handler->index();
 146                                 }
 147                                 $handler->after();
 148                                 return;
 149                         }
 150                 }
 151         }
 152
 153         header("Content-Type: text/plain");
 154         print json_encode(array("error" => array("code" => 7)));
 155
 156         // We close the connection to database.
 157         db_close($link);
 158 ?>