X-Git-Url: https://git.wh0rd.org/?p=tt-rss.git;a=blobdiff_plain;f=backend.php;h=b2eba083eefb88231300a1349eee150609adbc03;hp=c9eed0e9affdc95e30a9b21eebd1bfc67350fee2;hb=e2b8c9273e09091c235959c25d8e4d8122aa6ca8;hpb=d51124689d199ef3796c09f4353ef595bd3827b0

diff --git a/backend.php b/backend.php
index c9eed0e9..b2eba083 100644
--- a/backend.php
+++ b/backend.php
@@ -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 */
 
@@ -16,75 +17,56 @@
 		$_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();
+	$script_started = microtime(true);
 
-	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+	if (!init_plugins()) return;
 
-	if (!$link) {
-		if (DB_TYPE == "mysql") {
-			print mysql_error();
-		}
-		// PG seems to display its own errors just fine by default.
-		return;
-	}
-
-	init_connection($link);
-
-	$method = strtolower($_REQUEST["method"]);
-	$mode = $_REQUEST["mode"];
-
-	if ((!$op || $op == "rss" || $op == "dlg") && !$_REQUEST["noxml"]) {
-			header("Content-Type: application/xml; charset=utf-8");
-	} else {
-			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' && $_REQUEST['method'] == 'add') {
-			header("Content-Type: text/html");
-			login_sequence($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(
@@ -99,378 +81,67 @@
 	$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"));
 
+	$op = str_replace("-", "_", $op);
 
+	$override = PluginHost::getInstance()->lookup_handler($op, $method);
 
-	$error = sanity_check($link);
+	if (class_exists($op) || $override) {
 
-	if ($error['code'] != 0 && $op != "logout") {
-		print json_encode(array("error" => $error));
-		return;
-	}
-
-	if (class_exists($op)) {
-		$handler = new $op($link, $_REQUEST);
-
-		if ($handler) {
-			if ($handler->before()) {
-				if (method_exists($handler, $method)) {
-					return $handler->$method();
-				}
-			}
+		if ($override) {
+			$handler = $override;
+		} else {
+			$handler = new $op($_REQUEST);
 		}
-	}
-
-	switch($op) { // Select action according to $op value.
-		case "feeds":
-			$method = $_REQUEST["method"];
-			$root = (bool)$_REQUEST["root"];
-
-			switch($method) {
-				case "catchupAll":
-					db_query($link, "UPDATE ttrss_user_entries SET
-						last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
-					ccache_zero_all($link, $_SESSION["uid"]);
-
-				break;
-
-				case "collapse":
-					$cat_id = db_escape_string($_REQUEST["cid"]);
-					$mode = (int) db_escape_string($_REQUEST['mode']);
-					toggle_collapse_cat($link, $cat_id, $mode);
-					return;
-				break;
-			}
-
-			if (!$root) {
-				print json_encode(outputFeedList($link));
-			} else {
-
-				$feeds = outputFeedList($link, false);
-
-				$root = array();
-				$root['id'] = 'root';
-				$root['name'] = __('Feeds');
-				$root['items'] = $feeds['items'];
-
-				$fl = array();
-				$fl['identifier'] = 'id';
-				$fl['label'] = 'name';
-				$fl['items'] = array($root);
-
-				print json_encode($fl);
-			}
-
-		break; // feeds
-
-		case "la":
-			$id = db_escape_string($_REQUEST['id']);
-
-			$result = db_query($link, "SELECT link FROM ttrss_entries, ttrss_user_entries
-				WHERE id = '$id' AND id = ref_id AND owner_uid = '".$_SESSION['uid']."'
-				LIMIT 1");
-
-			if (db_num_rows($result) == 1) {
-				$article_url = db_fetch_result($result, 0, 'link');
-				$article_url = str_replace("\n", "", $article_url);
-
-				header("Location: $article_url");
-				return;
-
-			} else {
-				print_error(__("Article not found."));
-			}
-		break;
-
-		case "view":
-
-			$id = db_escape_string($_REQUEST["id"]);
-			$cids = explode(",", db_escape_string($_REQUEST["cids"]));
-			$mode = db_escape_string($_REQUEST["mode"]);
-			$omode = db_escape_string($_REQUEST["omode"]);
-
-			// in prefetch mode we only output requested cids, main article
-			// just gets marked as read (it already exists in client cache)
-
-			$articles = array();
-
-			if ($mode == "") {
-				array_push($articles, format_article($link, $id, false));
-			} else if ($mode == "zoom") {
-				array_push($articles, format_article($link, $id, true, true));
-			} else if ($mode == "raw") {
-				if ($_REQUEST['html']) {
-					header("Content-Type: text/html");
-					print '<link rel="stylesheet" type="text/css" href="tt-rss.css"/>';
-				}
-
-				$article = format_article($link, $id, false);
-				print $article['content'];
-				return;
-			}
-
-			catchupArticleById($link, $id, 0);
-
-			if (!$_SESSION["bw_limit"]) {
-				foreach ($cids as $cid) {
-					if ($cid) {
-						array_push($articles, format_article($link, $cid, false, false));
-					}
-				}
-			}
-
-			print json_encode($articles);
-
-		break; // view
-
-		case "viewfeed":
-
-			$timing_info = getmicrotime();
-
-			$reply = array();
-
-			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("0", $timing_info);
-
-			$omode = db_escape_string($_REQUEST["omode"]);
-
-			$feed = db_escape_string($_REQUEST["feed"]);
-			$method = db_escape_string($_REQUEST["method"]);
-			$view_mode = db_escape_string($_REQUEST["view_mode"]);
-			$limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
-			@$cat_view = db_escape_string($_REQUEST["cat"]) == "true";
-			@$next_unread_feed = db_escape_string($_REQUEST["nuf"]);
-			@$offset = db_escape_string($_REQUEST["skip"]);
-			@$vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
-			$order_by = db_escape_string($_REQUEST["order_by"]);
-
-			if (is_numeric($feed)) $feed = (int) $feed;
-
-			/* Feed -5 is a special case: it is used to display auxiliary information
-			 * when there's nothing to load - e.g. no stuff in fresh feed */
-
-			if ($feed == -5) {
-				print json_encode(generate_dashboard_feed($link));
-				return;
-			}
-
-			$result = false;
-
-			if ($feed < -10) {
-				$label_feed = -11-$feed;
-				$result = db_query($link, "SELECT id FROM ttrss_labels2 WHERE
-					id = '$label_feed' AND owner_uid = " . $_SESSION['uid']);
-			} else if (!$cat_view && is_numeric($feed) && $feed > 0) {
-				$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
-					id = '$feed' AND owner_uid = " . $_SESSION['uid']);
-			} else if ($cat_view && is_numeric($feed) && $feed > 0) {
-				$result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE
-					id = '$feed' AND owner_uid = " . $_SESSION['uid']);
-			}
-
-			if ($result && db_num_rows($result) == 0) {
-				print json_encode(generate_error_feed($link, __("Feed not found.")));
-				return;
-			}
-
-			/* Updating a label ccache means recalculating all of the caches
-			 * so for performance reasons we don't do that here */
-
-			if ($feed >= 0) {
-				ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
-			}
-
-			set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
-			set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
-			set_pref($link, "_DEFAULT_VIEW_ORDER_BY", $order_by);
-
-			if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
-				db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
-					WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
-			}
-
-			$reply['headlines'] = array();
-
-			if (!$next_unread_feed)
-				$reply['headlines']['id'] = $feed;
-			else
-				$reply['headlines']['id'] = $next_unread_feed;
-
-			$reply['headlines']['is_cat'] = (bool) $cat_view;
-
-			$override_order = false;
-
-			if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
-				$date_sort_field = "updated";
-			} else {
-				$date_sort_field = "date_entered";
-			}
-
-			switch ($order_by) {
-				case "date":
-					if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
-						$override_order = "$date_sort_field";
-					} else {
-						$override_order = "$date_sort_field DESC";
-					}
-					break;
 
-				case "title":
-					if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
-						$override_order = "title DESC, $date_sort_field";
+		if ($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 {
-						$override_order = "title, $date_sort_field DESC";
+						if (method_exists($handler, "catchall")) {
+							$handler->catchall($method);
+						}
 					}
-					break;
-
-				case "score":
-					if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
-						$override_order = "score, $date_sort_field";
-					} else {
-						$override_order = "score DESC, $date_sort_field DESC";
-					}
-					break;
-			}
-
-			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("04", $timing_info);
-
-			$ret = format_headlines_list($link, $feed, $method,
-				$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
-				$vgroup_last_feed, $override_order);
-
-			$topmost_article_ids = $ret[0];
-			$headlines_count = $ret[1];
-			$returned_feed = $ret[2];
-			$disable_cache = $ret[3];
-			$vgroup_last_feed = $ret[4];
-
-//			if ($_REQUEST["debug"]) print_r($ret);
-
-			$reply['headlines']['content'] =& $ret[5]['content'];
-			$reply['headlines']['toolbar'] =& $ret[5]['toolbar'];
-
-			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("05", $timing_info);
-
-			$reply['headlines-info'] = array("count" => (int) $headlines_count,
-				"vgroup_last_feed" => $vgroup_last_feed,
-				"disable_cache" => (bool) $disable_cache);
-
-			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("20", $timing_info);
-
-			if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
-				$articles = array();
-
-				foreach ($topmost_article_ids as $id) {
-					array_push($articles, format_article($link, $id, false));
+					$handler->after();
+					return;
+				} else {
+					header("Content-Type: text/json");
+					print error_json(6);
+					return;
 				}
-
-				$reply['articles'] = $articles;
+			} else {
+				header("Content-Type: text/json");
+				print error_json(6);
+				return;
 			}
+		}
+	}
 
-//			if ($method) {
-//				$reply['counters'] = getAllCounters($link, $omode, $feed);
-//			}
-
-			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
-
-			$reply['runtime-info'] = make_runtime_info($link);
-
-			print json_encode($reply);
-		break; // viewfeed
-
-		case "pref-feeds":
-			require_once "modules/pref-feeds.php";
-			module_pref_feeds($link);
-		break; // pref-feeds
-
-		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-prefs":
-			require_once "modules/pref-prefs.php";
-			module_pref_prefs($link);
-		break; // pref-prefs
-
-		case "pref-users":
-			require_once "modules/pref-users.php";
-			module_pref_users($link);
-		break; // prefs-users
-
-		case "help":
-			require_once "modules/help.php";
-			module_help($link);
-		break; // help
-
-		case "dlg":
-			require_once "modules/popup-dialog.php";
-			module_popup_dialog($link);
-		break; // dlg
-
-		case "pref-instances":
-			require_once "modules/pref-instances.php";
-			module_pref_instances($link);
-		break; // pref-instances
-
-		case "digestTest":
-			print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
-		break; // digestTest
-
-		case "digestSend":
-			send_headlines_digests($link);
-		break; // digestSend
-
-		case "loading":
-			header("Content-type: text/html");
-			print __("Loading, please wait...") . " " .
-				"<img src='images/indicator_tiny.gif'>";
-		break; // loading
-
-		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);
 ?>