backend.php

   1 <?php
   2         set_include_path(get_include_path() . PATH_SEPARATOR . "include");
   3
   4         /* remove ill effects of magic quotes */
   5
   6         if (get_magic_quotes_gpc()) {
   7                 function stripslashes_deep($value) {
   8                         $value = is_array($value) ?
   9                                 array_map('stripslashes_deep', $value) : stripslashes($value);
  10                                 return $value;
  11                 }
  12
  13                 $_POST = array_map('stripslashes_deep', $_POST);
  14                 $_GET = array_map('stripslashes_deep', $_GET);
  15                 $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
  16                 $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
  17         }
  18
  19         $op = $_REQUEST["op"];
  20         @$method = $_REQUEST['subop'] ? $_REQUEST['subop'] : $_REQUEST["method"];
  21
  22         /* Public calls compatibility shim */
  23
  24         $public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
  25                 "fbexport", "logout", "pubsub");
  26
  27         if (array_search($op, $public_calls) !== false) {
  28                 header("Location: public.php?" . $_SERVER['QUERY_STRING']);
  29                 return;
  30         }
  31
  32         require_once "functions.php";
  33         require_once "sessions.php";
  34         require_once "sanity_check.php";
  35         require_once "config.php";
  36         require_once "db.php";
  37         require_once "db-prefs.php";
  38
  39         no_cache_incantation();
  40
  41         startup_gettext();
  42
  43         $script_started = getmicrotime();
  44
  45         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  46
  47         if (!init_connection($link)) return;
  48
  49         header("Content-Type: text/plain; charset=utf-8");
  50
  51         if (ENABLE_GZIP_OUTPUT) {
  52                 ob_start("ob_gzhandler");
  53         }
  54
  55         if (SINGLE_USER_MODE) {
  56                 authenticate_user($link, "admin", null);
  57         }
  58
  59         // TODO remove and handle within Handlers
  60
  61         if (!($_SESSION["uid"] && validate_session($link))) {
  62                 if ($op == 'pref-feeds' && $method == 'add') {
  63                         header("Content-Type: text/html");
  64                         login_sequence($link);
  65                         render_login_form($link);
  66                 } else {
  67                         header("Content-Type: text/plain");
  68                         print json_encode(array("error" => array("code" => 6)));
  69                 }
  70                 return;
  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         $update_methods = array(
 104                 0   => __("Default"),
 105                 1   => __("Magpie"),
 106                 2   => __("SimplePie"),
 107                 3   => __("Twitter OAuth"));
 108
 109         if (DEFAULT_UPDATE_METHOD == "1") {
 110                 $update_methods[0] .= ' (SimplePie)';
 111         } else {
 112                 $update_methods[0] .= ' (Magpie)';
 113         }
 114
 115         $access_level_names = array(
 116                 0 => __("User"),
 117                 5 => __("Power User"),
 118                 10 => __("Administrator"));
 119
 120         $error = sanity_check($link);
 121
 122         if ($error['code'] != 0 && $op != "logout") {
 123                 print json_encode(array("error" => $error));
 124                 return;
 125         }
 126
 127         function __autoload($class) {
 128                 $file = "classes/".strtolower(basename($class)).".php";
 129                 if (file_exists($file)) {
 130                         require $file;
 131                 }
 132         }
 133
 134         $op = str_replace("-", "_", $op);
 135
 136         if (class_exists($op)) {
 137                 $handler = new $op($link, $_REQUEST);
 138
 139                 if ($handler) {
 140                         if ($handler->before()) {
 141                                 if ($method && method_exists($handler, $method)) {
 142                                         $handler->$method();
 143                                 } else if (method_exists($handler, 'index')) {
 144                                         $handler->index();
 145                                 }
 146                                 $handler->after();
 147                                 return;
 148                         }
 149                 }
 150         }
 151
 152         header("Content-Type: text/plain");
 153         print json_encode(array("error" => array("code" => 7)));
 154
 155         // We close the connection to database.
 156         db_close($link);
 157 ?>