]> git.wh0rd.org - tt-rss.git/blobdiff - backend.php
move API to classes/
[tt-rss.git] / backend.php
index ea96a0e41207ce55f326e5398f643006ecc4c02e..92a91ef91525d03cd893f7e328d592d1f505963a 100644 (file)
 <?php
-       error_reporting(E_ERROR | E_WARNING | E_PARSE);
+       set_include_path(get_include_path() . PATH_SEPARATOR . "include");
 
        /* remove ill effects of magic quotes */
 
        if (get_magic_quotes_gpc()) {
-               $_GET = array_map('stripslashes', $_GET);
-               $_POST = array_map('stripslashes', $_POST);
-               $_REQUEST = array_map('stripslashes', $_REQUEST);
-               $_COOKIE = array_map('stripslashes', $_COOKIE);
+               function stripslashes_deep($value) {
+                       $value = is_array($value) ?
+                               array_map('stripslashes_deep', $value) : stripslashes($value);
+                               return $value;
+               }
+
+               $_POST = array_map('stripslashes_deep', $_POST);
+               $_GET = array_map('stripslashes_deep', $_GET);
+               $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
+               $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
        }
 
-       require_once "sessions.php";
-       require_once "modules/backend-rpc.php";
+       $op = $_REQUEST["op"];
+       @$method = $_REQUEST['subop'] ? $_REQUEST['subop'] : $_REQUEST["method"];
 
-/*     if ($_GET["debug"]) {
-               define('DEFAULT_ERROR_LEVEL', E_ALL);
-       } else {
-               define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
+       /* 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;
        }
-       
-       error_reporting(DEFAULT_ERROR_LEVEL); */
 
+       require_once "functions.php";
+       require_once "sessions.php";
        require_once "sanity_check.php";
        require_once "config.php";
-       
        require_once "db.php";
        require_once "db-prefs.php";
-       require_once "functions.php";
 
        no_cache_incantation();
 
-       if (ENABLE_TRANSLATIONS == true) { 
-               startup_gettext();
-       }
+       startup_gettext();
 
        $script_started = getmicrotime();
 
-       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); 
+       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
 
-       if (!$link) {
-               if (DB_TYPE == "mysql") {
-                       print mysql_error();
-               }
-               // PG seems to display its own errors just fine by default.             
-               return;
-       }
-
-       if (DB_TYPE == "pgsql") {
-               pg_query("set client_encoding = 'UTF-8'");
-               pg_set_client_encoding("UNICODE");
-       } else {
-               if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
-                       db_query($link, "SET NAMES " . MYSQL_CHARSET);
-//                     db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
-               }
-       }
-
-       $op = $_REQUEST["op"];
+       if (!init_connection($link)) return;
 
-       $print_exec_time = false;
+       header("Content-Type: text/plain; charset=utf-8");
 
-       if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" || 
-                       $op == "digestSend" || $op == "viewfeed" || $op == "publish" ||
-                       $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
-               header("Content-Type: application/xml; charset=utf-8");
-               } else {
-               if (!$_REQUEST["noxml"]) {
-                       header("Content-Type: text/html; charset=utf-8");
-               } else {
-                       header("Content-Type: text/plain; charset=utf-8");
-               }
+       if (ENABLE_GZIP_OUTPUT) {
+               ob_start("ob_gzhandler");
        }
 
-       if (!$op) {
-               header("Content-Type: application/xml");
-               print_error_xml(7); exit;
+       if (SINGLE_USER_MODE) {
+               authenticate_user($link, "admin", null);
        }
-       
-       if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds" 
-                       && $op != "rss" && $op != "getUnread" && $op != "publish") {
 
-               if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
-                       print_error_xml(6); die;
+       // TODO remove and handle within Handlers
+
+       if (!($_SESSION["uid"] && validate_session($link))) {
+               if ($op == 'pref-feeds' && $method == 'add') {
+                       header("Content-Type: text/html");
+                       login_sequence($link);
+                       render_login_form($link);
                } else {
-                       print "
-                       <html><body>
-                               <p>Error: Not logged in.</p>
-                               <script type=\"text/javascript\">
-                                       if (parent.window != 'undefined') {
-                                               parent.window.location = \"tt-rss.php\";                
-                                       } else {
-                                               window.location = \"tt-rss.php\";
-                                       }
-                               </script>
-                       </body></html>
-                       ";
+                       header("Content-Type: text/plain");
+                       print json_encode(array("error" => array("code" => 6)));
                }
-               exit;
+               return;
        }
 
        $purge_intervals = array(
                90 => __("3 months old"));
 
        $update_intervals = array(
-               0   => __("Use default"),
+               0   => __("Default interval"),
                -1  => __("Disable updates"),
                15  => __("Each 15 minutes"),
                30  => __("Each 30 minutes"),
                1440 => __("Daily"),
                10080 => __("Weekly"));
 
+       $update_intervals_nodefault = array(
+               -1  => __("Disable updates"),
+               15  => __("Each 15 minutes"),
+               30  => __("Each 30 minutes"),
+               60  => __("Hourly"),
+               240 => __("Each 4 hours"),
+               720 => __("Each 12 hours"),
+               1440 => __("Daily"),
+               10080 => __("Weekly"));
 
-       $access_level_names = array(
-               0 => __("User"), 
-               10 => __("Administrator"));
-
-       require_once "modules/pref-prefs.php";
-       require_once "modules/popup-dialog.php";
-       require_once "modules/help.php";
-       require_once "modules/pref-feeds.php";
-       require_once "modules/pref-filters.php";
-       require_once "modules/pref-labels.php";
-       require_once "modules/pref-users.php";
-       require_once "modules/pref-feed-browser.php"; 
-
-       if (!sanity_check($link)) { return; }
-
-       if ($op == "rpc") {
-               handle_rpc_request($link);
-       }
-       
-       if ($op == "feeds") {
-
-               $tags = $_GET["tags"];
-
-               $subop = $_GET["subop"];
-
-               if ($subop == "catchupAll") {
-                       db_query($link, "UPDATE ttrss_user_entries SET 
-                               last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
-               }
-
-               if ($subop == "collapse") {
-                       $cat_id = db_escape_string($_GET["cid"]);
-
-                       db_query($link, "UPDATE ttrss_feed_categories SET
-                               collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " . 
-                               $_SESSION["uid"]);
-                       return;
-               }
-
-               outputFeedList($link, $tags);
-
-       }
-
-       if ($op == "view") {
-
-               $id = db_escape_string($_GET["id"]);
-               $feed_id = db_escape_string($_GET["feed"]);
-               $cids = split(",", db_escape_string($_GET["cids"]));
-               $mode = db_escape_string($_GET["mode"]);
-               $omode = db_escape_string($_GET["omode"]);
-
-               print "<reply>";
-
-               // in prefetch mode we only output requested cids, main article 
-               // just gets marked as read (it already exists in client cache)
-
-               if ($mode == "") {
-                       outputArticleXML($link, $id, $feed_id);
-               } else {
-                       catchupArticleById($link, $id, 0);
-               }
-
-               foreach ($cids as $cid) {
-                       if ($cid) {
-                               outputArticleXML($link, $cid, $feed_id, false);
-                       }
-               }
-
-               if ($mode != "prefetch_old") {
-                       print "<counters>";
-                       getAllCounters($link, $omode);
-                       print "</counters>";
-               }
-
-               print "</reply>";
-       }
-
-       if ($op == "viewfeed") {
-
-               $print_exec_time = true;
-               $timing_info = getmicrotime();
-
-               print "<reply>";
-
-               if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
-
-               $omode = db_escape_string($_GET["omode"]);
-
-               $feed = db_escape_string($_GET["feed"]);
-               $subop = db_escape_string($_GET["subop"]);
-               $view_mode = db_escape_string($_GET["view_mode"]);
-               $limit = db_escape_string($_GET["limit"]);
-               $cat_view = db_escape_string($_GET["cat"]);
-               $next_unread_feed = db_escape_string($_GET["nuf"]);
-               $offset = db_escape_string($_GET["skip"]);
-
-               set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
-               set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
-
-               if (!$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"]);
-               }
-
-               print "<headlines id=\"$feed\"><![CDATA[";
-
-               $ret = outputHeadlinesList($link, $feed, $subop, 
-                       $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
-
-               $topmost_article_ids = $ret[0];
-               $headlines_count = $ret[1];
-               $returned_feed = $ret[2];
-               $disable_cache = $ret[3];
-
-               print "]]></headlines>";
-
-               print "<headlines-count value=\"$headlines_count\"/>";
-
-               $headlines_unread = getFeedUnread($link, $returned_feed);
-
-               print "<headlines-unread value=\"$headlines_unread\"/>";
-               printf("<disable-cache value=\"%d\"/>", $disable_cache);
-
-               if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
-
-               if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
-                       print "<articles>";
-                       foreach ($topmost_article_ids as $id) {
-                               outputArticleXML($link, $id, $feed, false);
-                       }
-                       print "</articles>";
-               }
-
-               if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
-
-               print "<counters>";
-               getAllCounters($link, $omode, $feed);
-               print "</counters>";
-
-               if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
-
-               print_runtime_info($link);
-
-               print "</reply>";
-       }
-
-       if ($op == "pref-feeds") {
-               module_pref_feeds($link);
-       }
-
-       if ($op == "pref-filters") {
-               module_pref_filters($link);
-       }
-
-       if ($op == "pref-labels") {
-               module_pref_labels($link);
-       }
-
-       if ($op == "pref-prefs") {
-               module_pref_prefs($link);
-       }
-
-       if ($op == "pref-users") {
-               module_pref_users($link);
-       }
-
-       if ($op == "help") {
-               module_help($link);
-       }
-
-       if ($op == "dlg") {
-               module_popup_dialog($link);
-       }
-
-       if ($op == "pref-pub-items") {
-               module_pref_pub_items($link);
-       }
-
-
-       // update feeds of all users, may be used anonymously
-       if ($op == "globalUpdateFeeds") {
-
-               $result = db_query($link, "SELECT id FROM ttrss_users");
-
-               while ($line = db_fetch_assoc($result)) {
-                       $user_id = $line["id"];
-//                     print "<!-- updating feeds of uid $user_id -->";
-                       update_all_feeds($link, false, $user_id);
-               }
-
-               print "<rpc-reply>
-                       <message msg=\"All feeds updated\"/>
-               </rpc-reply>";
-
-       }
-
-       if ($op == "user-details") {
-
-               if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
-                       return;
-               }
-                         
-/*             print "<html><head>
-                       <title>Tiny Tiny RSS : User Details</title>
-                       <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
-                       <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
-                       </head><body>"; */
-
-               $uid = sprintf("%d", $_GET["id"]);
-
-               print "<div id=\"infoBoxTitle\">User details</div>";
-
-               print "<div class='infoBoxContents'>";
-
-               $result = db_query($link, "SELECT login,
-                       SUBSTRING(last_login,1,16) AS last_login,
-                       access_level,
-                       (SELECT COUNT(int_id) FROM ttrss_user_entries 
-                               WHERE owner_uid = id) AS stored_articles,
-                       SUBSTRING(created,1,16) AS created
-                       FROM ttrss_users 
-                       WHERE id = '$uid'");
-                       
-               if (db_num_rows($result) == 0) {
-                       print "<h1>User not found</h1>";
-                       return;
-               }
-               
-#              print "<h1>User Details</h1>";
-
-               $login = db_fetch_result($result, 0, "login");
-
-#              print "<h1>$login</h1>";
-
-               print "<table width='100%'>";
-
-               $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
-                       strtotime(db_fetch_result($result, 0, "last_login")));
-
-               $created = date(get_pref($link, 'LONG_DATE_FORMAT'),
-                       strtotime(db_fetch_result($result, 0, "created")));
-
-               $access_level = db_fetch_result($result, 0, "access_level");
-               $stored_articles = db_fetch_result($result, 0, "stored_articles");
-
-#              print "<tr><td>Username</td><td>$login</td></tr>";
-#              print "<tr><td>Access level</td><td>$access_level</td></tr>";
-               print "<tr><td>".__('Registered')."</td><td>$created</td></tr>";
-               print "<tr><td>".__('Last logged in')."</td><td>$last_login</td></tr>";
-               print "<tr><td>".__('Stored articles')."</td><td>$stored_articles</td></tr>";
-
-               $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
-                       WHERE owner_uid = '$uid'");
-
-               $num_feeds = db_fetch_result($result, 0, "num_feeds");
-
-               print "<tr><td>".__('Subscribed feeds count')."</td><td>$num_feeds</td></tr>";
-
-/*             $result = db_query($link, "SELECT 
-                       SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size 
-                       FROM ttrss_user_entries,ttrss_entries 
-                               WHERE owner_uid = '$uid' AND ref_id = id");
-
-               $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
-
-               print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
-
-               print "</table>";
-
-               print "<h1>".__('Subscribed feeds')."</h1>";
-
-               $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
-                       WHERE owner_uid = '$uid' ORDER BY title");
-
-               print "<ul class=\"userFeedList\">";
-
-               $row_class = "odd";
-
-               while ($line = db_fetch_assoc($result)) {
-
-                       $icon_file = ICONS_URL."/".$line["id"].".ico";
-
-                       if (file_exists($icon_file) && filesize($icon_file) > 0) {
-                               $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
-                       } else {
-                               $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
-                       }
-
-                       print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
-
-                       $row_class = toggleEvenOdd($row_class);
-
-               }
-
-               if (db_num_rows($result) < $num_feeds) {
-                        // FIXME - add link to show ALL subscribed feeds here somewhere
-                       print "<li><img 
-                               class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
-               }
-               
-               print "</ul>";
-
-               print "</div>";
-
-               print "<div align='center'>
-                       <input type='submit' class='button'                     
-                       onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
-
-//             print "</body></html>"; 
-
-       }
+       $update_methods = array(
+               0   => __("Default"),
+               1   => __("Magpie"),
+               2   => __("SimplePie"),
+               3   => __("Twitter OAuth"));
 
-       if ($op == "pref-feed-browser") {
-               module_pref_feed_browser($link);
+       if (DEFAULT_UPDATE_METHOD == "1") {
+               $update_methods[0] .= ' (SimplePie)';
+       } else {
+               $update_methods[0] .= ' (Magpie)';
        }
 
-       if ($op == "publish") {
-               $key = db_escape_string($_GET["key"]);
-
-               $result = db_query($link, "SELECT login, owner_uid 
-                       FROM ttrss_user_prefs, ttrss_users WHERE
-                       pref_name = '_PREFS_PUBLISH_KEY' AND 
-                       value = '$key' AND 
-                       ttrss_users.id = owner_uid");
-
-               if (db_num_rows($result) == 1) {
-                       $owner = db_fetch_result($result, 0, "owner_uid");
-                       $login = db_fetch_result($result, 0, "login");
-
-                       generate_syndicated_feed($link, $owner, -2, false);
+       $access_level_names = array(
+               0 => __("User"),
+               5 => __("Power User"),
+               10 => __("Administrator"));
 
-               } else {
-                       print "<error>User not found</error>";
-               }
+       $error = sanity_check($link);
 
+       if ($error['code'] != 0 && $op != "logout") {
+               print json_encode(array("error" => $error));
+               return;
        }
 
-       if ($op == "rss") {
-               $feed = db_escape_string($_GET["id"]);
-               $user = db_escape_string($_GET["user"]);
-               $pass = db_escape_string($_GET["pass"]);
-               $is_cat = $_GET["is_cat"] != false;
-
-               $search = db_escape_string($_GET["q"]);
-               $match_on = db_escape_string($_GET["m"]);
-               $search_mode = db_escape_string($_GET["smode"]);
-
-               if (!$_SESSION["uid"] && $user && $pass) {
-                       authenticate_user($link, $user, $pass);
+       function __autoload($class) {
+               $file = "classes/".strtolower(basename($class)).".php";
+               if (file_exists($file)) {
+                       require $file;
                }
-
-               if ($_SESSION["uid"] ||
-                       http_authenticate_user($link)) {
-
-                               generate_syndicated_feed($link, 0, $feed, $is_cat, 
-                                       $search, $search_mode, $match_on);
-               }
-
        }
 
-       if ($op == "labelFromSearch") {
-               $search = db_escape_string($_GET["search"]);
-               $search_mode = db_escape_string($_GET["smode"]);
-               $match_on = db_escape_string($_GET["match"]);
-               $is_cat = db_escape_string($_GET["is_cat"]);
-               $title = db_escape_string($_GET["title"]);
-               $feed = sprintf("%d", $_GET["feed"]);
-
-               $label_qparts = array();
+       $op = str_replace("-", "_", $op);
 
-               $search_expr = getSearchSql($search, $match_on);
+       if (class_exists($op)) {
+               $handler = new $op($link, $_REQUEST);
 
-               if ($is_cat) {
-                       if ($feed != 0) {
-                               $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
-                       } else {
-                               $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
-                       }
-               } else {
-                       if ($search_mode == "all_feeds") {
-                               // NOOP
-                       } else if ($search_mode == "this_cat") {
-
-                               $tmp_result = db_query($link, "SELECT cat_id
-                                       FROM ttrss_feeds WHERE id = '$feed'");
-
-                               $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
-
-                               if ($cat_id > 0) {
-                                       $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
-                               } else {
-                                       $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
+               if ($handler) {
+                       if ($handler->before($method)) {
+                               if ($method && method_exists($handler, $method)) {
+                                       $handler->$method();
+                               } else if (method_exists($handler, 'index')) {
+                                       $handler->index();
                                }
-                       } else {
-                               $search_expr .= " AND ttrss_feeds.id = $feed ";
+                               $handler->after();
+                               return;
                        }
-
-               }
-
-               $search_expr = db_escape_string($search_expr);
-
-               print $search_expr;
-
-               if ($title) {
-                       $result = db_query($link,
-                               "INSERT INTO ttrss_labels (sql_exp,description,owner_uid) 
-                               VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
                }
        }
 
-       if ($op == "getUnread") {
-               $login = db_escape_string($_GET["login"]);
-
-               header("Content-Type: text/plain; charset=utf-8");
-
-               $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
-
-               if (db_num_rows($result) == 1) {
-                       $uid = db_fetch_result($result, 0, "id");
-                       print getGlobalUnread($link, $uid);
-               } else {
-                       print "-1;User not found";
-               }
-
-               $print_exec_time = false;
-       }
-
-       if ($op == "digestTest") {
-               header("Content-Type: text/plain");
-               print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
-               $print_exec_time = false;
-
-       }
-
-       if ($op == "digestSend") {
-               header("Content-Type: text/plain");
-               send_headlines_digests($link);
-               $print_exec_time = false;
-
-       }
+       header("Content-Type: text/plain");
+       print json_encode(array("error" => array("code" => 7)));
 
+       // We close the connection to database.
        db_close($link);
 ?>
-
-<?php if ($print_exec_time) { ?>
-<!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
-<?php } ?>