]> git.wh0rd.org - tt-rss.git/blobdiff - backend.php
feedbrowser hack
[tt-rss.git] / backend.php
index 8f197ee3074249b49ed5abb96581d6cd7474d57e..b2eba083eefb88231300a1349eee150609adbc03 100644 (file)
@@ -1,5 +1,6 @@
 <?php
-       set_include_path(get_include_path() . PATH_SEPARATOR . "include");
+       set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
+               get_include_path());
 
        /* remove ill effects of magic quotes */
 
                $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
        }
 
-       function __autoload($class) {
-               $file = "classes/".strtolower(basename($class)).".php";
-               if (file_exists($file)) {
-                       require $file;
-               }
+       $op = $_REQUEST["op"];
+       @$method = $_REQUEST['subop'] ? $_REQUEST['subop'] : $_REQUEST["method"];
+
+       if (!$method)
+               $method = 'index';
+       else
+               $method = strtolower($method);
+
+       /* Public calls compatibility shim */
+
+       $public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
+               "fbexport", "logout", "pubsub");
+
+       if (array_search($op, $public_calls) !== false) {
+               header("Location: public.php?" . $_SERVER['QUERY_STRING']);
+               return;
        }
 
-       $op = $_REQUEST["op"];
+       @$csrf_token = $_REQUEST['csrf_token'];
 
+       require_once "autoload.php";
+       require_once "sessions.php";
        require_once "functions.php";
-       if ($op != "share") require_once "sessions.php";
-       require_once "sanity_check.php";
        require_once "config.php";
        require_once "db.php";
        require_once "db-prefs.php";
 
-       no_cache_incantation();
-
        startup_gettext();
 
-       $script_started = getmicrotime();
-
-       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
-
-       if (!$link) {
-               if (DB_TYPE == "mysql") {
-                       print mysql_error();
-               }
-               // PG seems to display its own errors just fine by default.
-               return;
-       }
-
-       init_connection($link);
+       $script_started = microtime(true);
 
-       $method = $_REQUEST['subop'] ? $_REQUEST['subop'] : $_REQUEST["method"];
+       if (!init_plugins()) return;
 
-       header("Content-Type: text/plain; charset=utf-8");
+       header("Content-Type: text/json; charset=utf-8");
 
-       if (ENABLE_GZIP_OUTPUT) {
+       if (ENABLE_GZIP_OUTPUT && function_exists("ob_gzhandler")) {
                ob_start("ob_gzhandler");
        }
 
        if (SINGLE_USER_MODE) {
-               authenticate_user($link, "admin", null);
+               authenticate_user( "admin", null);
        }
 
-       $public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
-               "fbexport", "logout", "pubsub");
-
-       if (array_search($op, $public_calls) !== false) {
-
-               handle_public_request($link, $op);
-               return;
-
-       } else if (!($_SESSION["uid"] && validate_session($link))) {
-               if ($op == 'pref-feeds' && $method == 'add') {
-                       header("Content-Type: text/html");
-                       login_sequence($link);
-                       render_login_form($link);
-               } else {
-                       header("Content-Type: text/plain");
-                       print json_encode(array("error" => array("code" => 6)));
+       if ($_SESSION["uid"]) {
+               if (!validate_session()) {
+                       header("Content-Type: text/json");
+                       print error_json(6);
+                       return;
                }
-               return;
+               load_user_plugins( $_SESSION["uid"]);
        }
 
        $purge_intervals = array(
        $update_intervals = array(
                0   => __("Default interval"),
                -1  => __("Disable updates"),
-               15  => __("Each 15 minutes"),
-               30  => __("Each 30 minutes"),
+               15  => __("15 minutes"),
+               30  => __("30 minutes"),
                60  => __("Hourly"),
-               240 => __("Each 4 hours"),
-               720 => __("Each 12 hours"),
+               240 => __("4 hours"),
+               720 => __("12 hours"),
                1440 => __("Daily"),
                10080 => __("Weekly"));
 
        $update_intervals_nodefault = array(
                -1  => __("Disable updates"),
-               15  => __("Each 15 minutes"),
-               30  => __("Each 30 minutes"),
+               15  => __("15 minutes"),
+               30  => __("30 minutes"),
                60  => __("Hourly"),
-               240 => __("Each 4 hours"),
-               720 => __("Each 12 hours"),
+               240 => __("4 hours"),
+               720 => __("12 hours"),
                1440 => __("Daily"),
                10080 => __("Weekly"));
 
-       $update_methods = array(
-               0   => __("Default"),
-               1   => __("Magpie"),
-               2   => __("SimplePie"),
-               3   => __("Twitter OAuth"));
-
-       if (DEFAULT_UPDATE_METHOD == "1") {
-               $update_methods[0] .= ' (SimplePie)';
-       } else {
-               $update_methods[0] .= ' (Magpie)';
-       }
-
        $access_level_names = array(
                0 => __("User"),
                5 => __("Power User"),
                10 => __("Administrator"));
 
-       $error = sanity_check($link);
+       $op = str_replace("-", "_", $op);
 
-       if ($error['code'] != 0 && $op != "logout") {
-               print json_encode(array("error" => $error));
-               return;
-       }
+       $override = PluginHost::getInstance()->lookup_handler($op, $method);
 
-       $op = str_replace("-", "_", $op);
+       if (class_exists($op) || $override) {
 
-       if (class_exists($op)) {
-               $handler = new $op($link, $_REQUEST);
+               if ($override) {
+                       $handler = $override;
+               } else {
+                       $handler = new $op($_REQUEST);
+               }
 
-               if ($handler) {
-                       if ($handler->before()) {
-                               if ($method && method_exists($handler, $method)) {
-                                       $handler->$method();
-                               } else if (method_exists($handler, 'index')) {
-                                       $handler->index();
+               if ($handler && implements_interface($handler, 'IHandler')) {
+                       if (validate_csrf($csrf_token) || $handler->csrf_ignore($method)) {
+                               if ($handler->before($method)) {
+                                       if ($method && method_exists($handler, $method)) {
+                                               $handler->$method();
+                                       } else {
+                                               if (method_exists($handler, "catchall")) {
+                                                       $handler->catchall($method);
+                                               }
+                                       }
+                                       $handler->after();
+                                       return;
+                               } else {
+                                       header("Content-Type: text/json");
+                                       print error_json(6);
+                                       return;
                                }
-                               $handler->after();
+                       } else {
+                               header("Content-Type: text/json");
+                               print error_json(6);
                                return;
                        }
                }
        }
 
-       switch($op) { // Select action according to $op value.
-
-               case "pref-filters":
-                       require_once "modules/pref-filters.php";
-                       module_pref_filters($link);
-               break; // pref-filters
-
-               case "pref-labels":
-                       require_once "modules/pref-labels.php";
-                       module_pref_labels($link);
-               break; // pref-labels
-
-               case "pref-users":
-                       require_once "modules/pref-users.php";
-                       module_pref_users($link);
-               break; // prefs-users
-
-               case "pref-instances":
-                       require_once "modules/pref-instances.php";
-                       module_pref_instances($link);
-               break; // pref-instances
-
-               default:
-                       header("Content-Type: text/plain");
-                       print json_encode(array("error" => array("code" => 7)));
-               break; // fallback
-       } // Select action according to $op value.
+       header("Content-Type: text/json");
+       print error_json(13);
 
-       // We close the connection to database.
-       db_close($link);
 ?>