]> git.wh0rd.org - tt-rss.git/blobdiff - backend.php
http user auth, password changer in preferences
[tt-rss.git] / backend.php
index 329f2783d010d623509cef275fab54fa853eb039..ed8ab6c1889ef213fcd88cc386e973eb6a28159f 100644 (file)
 <?
-//     header("Content-Type: application/xml");
+       session_start();
+
+       if (!$_SESSION["uid"]) { exit; }
+
+       define(SCHEMA_VERSION, 2);
 
        require_once "config.php";
        require_once "db.php";
+       require_once "db-prefs.php";
        require_once "functions.php";
        require_once "magpierss/rss_fetch.inc";
 
+//     $_SESSION["uid"] = PLACEHOLDER_UID; // FIXME: placeholder
+//     $_SESSION["name"] = PLACEHOLDER_NAME;
+
+       $op = $_REQUEST["op"];
+
+       if ($op == "rpc" || $op == "updateAllFeeds") {
+               header("Content-Type: application/xml");
+       }
+
+       $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;
+       }
+
        if (DB_TYPE == "pgsql") {
                pg_query("set client_encoding = 'utf-8'");
        }
 
-       $op = $_GET["op"];
+/*
+       $result = db_query($link, "SELECT schema_version FROM ttrss_version");
+
+       $schema_version = db_fetch_result($result, 0, "schema_version");
+
+       if ($schema_version != SCHEMA_VERSION) {
+               print "Error: database schema is invalid
+                       (got version $schema_version; expected ".SCHEMA_VERSION.")";
+               return;
+       }
+*/
+
        $fetch = $_GET["fetch"];
 
-       function outputFeedList($link) {
+       /* FIXME this needs reworking */
 
-               print "<html><head>
-                       <title>Tiny Tiny RSS : Feedlist</title>
-                       <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
-                       <script type=\"text/javascript\" src=\"functions.js\"></script>
-                       <script type=\"text/javascript\" src=\"feedlist.js\"></script>
-                       <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
-                       </head><body>";
-                       
-               $result = db_query($link, "SELECT *,
-                       (SELECT count(id) FROM ttrss_entries 
-                               WHERE feed_id = ttrss_feeds.id) AS total,
-                       (SELECT count(id) FROM ttrss_entries
-                               WHERE feed_id = ttrss_feeds.id AND unread = true) as unread
-                       FROM ttrss_feeds ORDER BY title");                      
+       function getGlobalCounters($link) {
+               $result = db_query($link, "SELECT count(id) as c_id FROM ttrss_entries
+                       WHERE unread = true AND owner_uid = " . $_SESSION["uid"]);
+               $c_id = db_fetch_result($result, 0, "c_id");
+               print "<counter id='global-unread' counter='$c_id'/>";
+       }
 
-               $actid = $_GET["actid"];
+       function getTagCounters($link) {
+               $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
+                       FROM ttrss_tags,ttrss_entries WHERE
+                       ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
+                       post_id = ttrss_entries.id AND unread = true GROUP BY tag_name 
+               UNION
+                       select tag_name,0 as count FROM ttrss_tags
+                       WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]);
 
-//             print "<table width=\"100%\" class=\"feedsList\" id=\"feedsList\">";
+               $tags = array();
 
-               print "<ul class=\"feedList\" id=\"feedList\">";
+               while ($line = db_fetch_assoc($result)) {
+                       $tags[$line["tag_name"]] += $line["count"];
+               }
 
-               $lnum = 0;
+               foreach (array_keys($tags) as $tag) {
+                       $unread = $tags[$tag];                  
+
+                       $tag = htmlspecialchars($tag);
+                       print "<tag id=\"$tag\" counter=\"$unread\"/>";
+               } 
+       }
+
+       function getLabelCounters($link) {
+
+               $result = db_query($link, "SELECT count(id) as count FROM ttrss_entries
+                       WHERE marked = true AND unread = true AND owner_uid = ".$_SESSION["uid"]);
 
-               $total_unread = 0;
+               $count = db_fetch_result($result, 0, "count");
 
+               print "<label id=\"-1\" counter=\"$count\"/>";
+
+               $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
+                       ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
+       
                while ($line = db_fetch_assoc($result)) {
-               
-                       $feed = $line["title"];
-                       $feed_id = $line["id"];   
 
-                       $subop = $_GET["subop"];
-                       
-                       $total = $line["total"];
-                       $unread = $line["unread"];
+                       $id = -$line["id"] - 11;
+
+                       error_reporting (0);
+
+                       $tmp_result = db_query($link, "SELECT count(id) as count FROM ttrss_entries
+                               WHERE (" . $line["sql_exp"] . ") AND unread = true");
+
+                       $count = db_fetch_result($tmp_result, 0, "count");
+
+                       print "<label id=\"$id\" counter=\"$count\"/>";
+
+                       error_reporting (E_ERROR | E_WARNING | E_PARSE);
+       
+               }
+       }
+
+       function getFeedCounter($link, $id) {
+       
+               $result = db_query($link, "SELECT 
+                               count(id) as count FROM ttrss_entries
+                       WHERE feed_id = '$id' AND unread = true");
+       
+                       $count = db_fetch_result($result, 0, "count");
                        
-//                     $class = ($lnum % 2) ? "even" : "odd";
+                       print "<feed id=\"$id\" counter=\"$count\"/>";          
+       }
 
-                       $class = "odd";
+       function getFeedCounters($link) {
+       
+               $result = db_query($link, "SELECT id,
+                       (SELECT count(id) FROM ttrss_entries WHERE feed_id = ttrss_feeds.id 
+                               AND unread = true) as count
+                       FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"]);
+       
+               while ($line = db_fetch_assoc($result)) {
+               
+                       $id = $line["id"];
+                       $count = $line["count"];
 
-                       if ($unread > 0) $class .= "Unread";
+                       print "<feed id=\"$id\" counter=\"$count\"/>";
+               }
+       }
 
-                       if ($actid == $feed_id) {
-                               $class .= "Selected";
-                       }
+       function outputFeedList($link, $tags = false) {
 
-                       $total_unread += $unread;
+               print "<html><head>
+                       <title>Tiny Tiny RSS : Feedlist</title>
+                       <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">";
 
-//                     print "<tr class=\"$class\" id=\"FEEDR-$feed_id\">";
+               if (get_pref($link, 'USE_COMPACT_STYLESHEET')) {
+                       print "<link rel=\"stylesheet\" type=\"text/css\" 
+                               href=\"tt-rss_compact.css\"/>";
+               } else {
+                       print "<link title=\"Compact Stylesheet\" rel=\"alternate stylesheet\" 
+                                       type=\"text/css\" href=\"tt-rss_compact.css\"/>";
+               }
 
-                       $icon_file = ICONS_DIR . "/$feed_id.ico";
+               print "<script type=\"text/javascript\" src=\"functions.js\"></script>
+                       <script type=\"text/javascript\" src=\"feedlist.js\"></script>
+                       <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
+                       </head><body onload=\"init()\">";
 
-                       if ($subop != "piggie") {
+               print "<ul class=\"feedList\" id=\"feedList\">";
 
-                               if (file_exists($icon_file) && filesize($icon_file) > 0) {
-                                               $feed_icon = "<img src=\"" . ICONS_URL . "/$feed_id.ico\">";
-                               } else {
-                                       $feed_icon = "<img src=\"images/blank_icon.png\">";
+               $owner_uid = $_SESSION["uid"];
+
+               if (!$tags) {
+
+                       /* virtual feeds */
+
+                       $result = db_query($link, "SELECT count(id) as num_starred 
+                               FROM ttrss_entries WHERE marked = true AND unread = true AND owner_uid = '$owner_uid'");
+                       $num_starred = db_fetch_result($result, 0, "num_starred");
+
+                       $class = "virt";
+
+                       if ($num_starred > 0) $class .= "Unread";
+
+                       printFeedEntry(-1, $class, "Starred articles", $num_starred, 
+                               "images/mark_set.png", $link);
+
+                       if (get_pref($link, 'ENABLE_LABELS')) {
+       
+                               $result = db_query($link, "SELECT id,sql_exp,description FROM
+                                       ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
+               
+                               if (db_num_rows($result) > 0) {
+                                       print "<li><hr></li>";
                                }
-                       } else {
-                               $feed_icon = "<img width=\"16\" height=\"16\"
-                                       src=\"http://madoka.spb.ru/stuff/fox/tiny_piggie.png\">";
-                       }
                
-                       $feed = "<a href=\"javascript:viewfeed($feed_id, 0);\">$feed</a>";
-                       
-/*                     if (ENABLE_FEED_ICONS) {
-                               print "<td>$feed_icon</td>";
+                               while ($line = db_fetch_assoc($result)) {
+       
+                                       error_reporting (0);
+               
+                                       $tmp_result = db_query($link, "SELECT count(id) as count FROM ttrss_entries
+                                               WHERE (" . $line["sql_exp"] . ") AND unread = true");
+       
+                                       $count = db_fetch_result($tmp_result, 0, "count");
+       
+                                       $class = "label";
+       
+                                       if ($count > 0) {
+                                               $class .= "Unread";
+                                       }
+                                       
+                                       error_reporting (E_ERROR | E_WARNING | E_PARSE);
+       
+                                       printFeedEntry(-$line["id"]-11, 
+                                               $class, $line["description"], $count, "images/label.png", $link);
+               
+                               }
                        }
+       
+                       print "<li><hr></li>";
+
+                       $result = db_query($link, "SELECT *,
+                               (SELECT count(id) FROM ttrss_entries 
+                                       WHERE feed_id = ttrss_feeds.id) AS total,
+                               (SELECT count(id) FROM ttrss_entries
+                                       WHERE feed_id = ttrss_feeds.id AND unread = true) as unread
+                               FROM ttrss_feeds WHERE owner_uid = '$owner_uid' ORDER BY title");                       
+       
+                       $actid = $_GET["actid"];
+       
+                       /* real feeds */
+       
+                       $lnum = 0;
+       
+                       $total_unread = 0;
+       
+                       while ($line = db_fetch_assoc($result)) {
                        
-                       print "<td id=\"FEEDN-$feed_id\">$feed</td>";
-                       print "<td>";
-                       print "<span id=\"FEEDU-$feed_id\">$unread</span>&nbsp;/&nbsp;";
-                       print "<span id=\"FEEDT-$feed_id\">$total</span>";
-                       print "</td>";
-
-                       print "</tr>"; */
-
-                       print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
-                       if (ENABLE_FEED_ICONS) {
-                               print "$feed_icon";
+                               $feed = $line["title"];
+                               $feed_id = $line["id"];   
+       
+                               $subop = $_GET["subop"];
+                               
+                               $total = $line["total"];
+                               $unread = $line["unread"];
+                               
+       //                      $class = ($lnum % 2) ? "even" : "odd";
+       
+                               $class = "feed";
+       
+                               if ($unread > 0) $class .= "Unread";
+       
+                               if ($actid == $feed_id) {
+                                       $class .= "Selected";
+                               }
+       
+                               $total_unread += $unread;
+       
+                               printFeedEntry($feed_id, $class, $feed, $unread, "icons/$feed_id.ico", $link);
+       
+                               ++$lnum;
                        }
-                       print "<span id=\"FEEDN-$feed_id\">$feed</span>";
+               } else {
 
-                       if ($unread != 0) {
-                               $fctr_class = "";
-                       } else {
-                               $fctr_class = "class=\"invisible\"";
+                       // tags
+
+                       $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
+                               FROM ttrss_tags,ttrss_entries WHERE
+                               post_id = ttrss_entries.id AND unread = true 
+                               AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name                               
+                       UNION
+                               select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'");
+       
+                       $tags = array();
+       
+                       while ($line = db_fetch_assoc($result)) {
+                               $tags[$line["tag_name"]] += $line["count"];
                        }
+       
+                       foreach (array_keys($tags) as $tag) {
+       
+                               $unread = $tags[$tag];
+       
+                               $class = "odd";
+       
+                               if ($unread > 0) {
+                                       $class .= "Unread";
+                               }
+       
+                               printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
+       
+                       } 
 
-                       print "<span $fctr_class id=\"FEEDCTR-$feed_id\">
-                                (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
-                       
-                       print "</li>";
+               }
 
-                       ++$lnum;
+               if (db_num_rows($result) == 0) {
+                       print "<li>No tags/feeds to display.</li>";
                }
 
-               print "</table>";
+               print "</ul>";
 
                print "<div class=\"invisible\" id=\"FEEDTU\">$total_unread</div>";
-               print "<div class=\"invisible\" id=\"ACTFEEDID\">$actid</div>";
 
        }
 
 
                $subop = $_GET["subop"];
 
+               if ($subop == "getLabelCounters") {
+                       $aid = $_GET["aid"];            
+                       print "<rpc-reply>";
+                       getLabelCounters($link);
+                       if ($aid) {
+                               getFeedCounter($link, $aid);
+                       }
+                       print "</rpc-reply>";
+               }
+
+               if ($subop == "getFeedCounters") {
+                       print "<rpc-reply>";
+                       getFeedCounters($link);
+                       print "</rpc-reply>";
+               }
+
+               if ($subop == "getAllCounters") {
+                       print "<rpc-reply>";
+                       getLabelCounters($link);
+                       getFeedCounters($link);
+                       getTagCounters($link);
+                       getGlobalCounters($link);
+                       print "</rpc-reply>";
+               }
+
                if ($subop == "mark") {
                        $mark = $_GET["mark"];
                        $id = db_escape_string($_GET["id"]);
                        return;
                }
 
-               if ($subop == "forceUpdateAllFeeds") {
+               if ($subop == "forceUpdateAllFeeds" || $subop == "updateAllFeeds") {
+               
                        update_all_feeds($link, true);                  
-               }
 
-               if ($subop == "updateAllFeeds") {
-                       update_all_feeds($link, false);
+                       $omode = $_GET["omode"];
+
+                       if (!$omode) $omode = "tfl";
+
+                       print "<rpc-reply>";
+                       if (strchr($omode, "l")) getLabelCounters($link);
+                       if (strchr($omode, "f")) getFeedCounters($link);
+                       if (strchr($omode, "t")) getTagCounters($link);
+                       getGlobalCounters($link);
+                       print "</rpc-reply>";
                }
                
                if ($subop == "catchupPage") {
                        print "Marked active page as read.";
                }
 
+               if ($subop == "sanityCheck") {
+
+                       $error_code = 0;
+
+                       $result = db_query($link, "SELECT schema_version FROM ttrss_version");
+
+                       $schema_version = db_fetch_result($result, 0, "schema_version");
+
+                       if ($schema_version != SCHEMA_VERSION) {
+                               $error_code = 5;
+                       }
+
+                       print "<error code='$error_code'/>";
+               }
        }
        
        if ($op == "feeds") {
 
+               $tags = $_GET["tags"];
+
                $subop = $_GET["subop"];
 
                if ($subop == "catchupAll") {
                        db_query($link, "UPDATE ttrss_entries SET last_read = NOW(),unread = false");
                }
 
-               outputFeedList($link);
+               outputFeedList($link, $tags);
 
        }
 
        if ($op == "view") {
 
                $id = $_GET["id"];
+               $feed_id = $_GET["feed"];
 
                $result = db_query($link, "UPDATE ttrss_entries SET unread = false,last_read = NOW() WHERE id = '$id'");
 
                        
                        print "</div>";
 
+                       print "<script type=\"text/javascript\">
+                               update_label_counters('$feed_id');
+                       </script>";
                }
 
                if ($addheader) {
                if ($addheader) {
                        print "<html><head>
                                <title>Tiny Tiny RSS : Feed $feed</title>
-                               <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
-                               <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
+                               <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">";
+
+                       if (get_pref($link, 'USE_COMPACT_STYLESHEET')) {
+                               print "<link rel=\"stylesheet\" 
+                                               type=\"text/css\" href=\"tt-rss_compact.css\"/>";
+
+                       } else {
+                               print "<link title=\"Compact Stylesheet\" rel=\"alternate stylesheet\" 
+                                               type=\"text/css\" href=\"tt-rss_compact.css\"/>";
+                       }
+                       print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">  
                                <script type=\"text/javascript\" src=\"functions.js\"></script>
                                <script type=\"text/javascript\" src=\"viewfeed.js\"></script>
-                               </head><body>";
+                               </head><body onload='init()'>";
                }
 
-               $result = db_query($link, 
-                       "SELECT *,SUBSTRING(last_updated,1,16) as last_updated_s
-                       FROM ttrss_feeds WHERE id = '$feed'");
-       
-               if ($result) {
+               if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
 
-                       $line = db_fetch_assoc($result);
+                       $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
+                               WHERE id = '$feed'");
 
-                       update_rss_feed($link, $line["feed_url"], $feed);
-                               
-                       if ($subop == "MarkAllRead")  {
+                       $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
+
+                       update_rss_feed($link, $feed_url, $feed);
+
+               }
+
+               if ($subop == "MarkAllRead")  {
+
+                       if (sprintf("%d", $feed) != 0) {
+                       
+                               if ($feed > 0) {
+                                       db_query($link, "UPDATE ttrss_entries 
+                                               SET unread = false,last_read = NOW() 
+                                               WHERE feed_id = '$feed'");
+                                               
+                               } else if ($feed < 0 && $feed > -10) { // special, like starred
 
-                               db_query($link, "UPDATE ttrss_entries SET unread = false,last_read = NOW() 
-                                       WHERE feed_id = '$feed'");
+                                       if ($feed == -1) {
+                                               db_query($link, "UPDATE ttrss_entries 
+                                                       SET unread = false,last_read = NOW()
+                                                       WHERE marked = true");
+                                       }
+                       
+                               } else if ($feed < -10) { // label
+
+                                       $label_id = -$feed - 11;
+
+                                       $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
+                                               WHERE id = '$label_id'");
+
+                                       if ($tmp_result) {
+                                               $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
+
+                                               db_query($link, "UPDATE ttrss_entries 
+                                                       SET unread = false,last_read = NOW()
+                                                       WHERE $sql_exp");
+                                       }
+                               }
+                       } else { // tag
+                               // FIXME, implement catchup for tags
                        }
+
                }
 
                print "<table class=\"headlinesList\" id=\"headlinesList\" width=\"100%\">";
 
-               $feed_last_updated = "Updated: " . $line["last_updated"];
-
                $search = $_GET["search"];
 
+               $search_mode = $_GET["smode"];
+
                if ($search) {
                        $search_query_part = "(upper(title) LIKE upper('%$search%') 
                                OR content LIKE '%$search%') AND";
                        $view_query_part = " unread = true AND ";
                }
 
-               $result = db_query($link, "SELECT count(id) AS total_entries 
+               if ($view_mode == "Unread or Starred") {
+                       $view_query_part = " (unread = true OR marked = true) AND ";
+               }
+
+               if ($view_mode == "Unread or Updated") {
+                       $view_query_part = " (unread = true OR last_read is NULL) AND ";
+               }
+
+/*             $result = db_query($link, "SELECT count(id) AS total_entries 
                        FROM ttrss_entries WHERE 
                        $search_query_part
                        feed_id = '$feed'");
 
-               $total_entries = db_fetch_result($result, 0, "total_entries");
+               $total_entries = db_fetch_result($result, 0, "total_entries"); */
 
 /*             $result = db_query("SELECT count(id) AS unread_entries 
                        FROM ttrss_entries WHERE 
                        $limit_query_part = "LIMIT " . $limit;
                } 
 
-               $result = db_query($link, "SELECT 
-                               id,title,updated,unread,feed_id,marked,link,last_read
-                       FROM
-                               ttrss_entries 
-                       WHERE
-                       $search_query_part
-                       $view_query_part
-                       feed_id = '$feed' ORDER BY updated DESC 
-                       $limit_query_part");
+               $vfeed_query_part = "";
+
+               // override query strategy and enable feed display when searching globally
+               if ($search_mode == "All feeds") {
+                       $query_strategy_part = "id > 0";
+                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
+                               id = feed_id) as feed_title,";
+               } else if (sprintf("%d", $feed) == 0) {
+                       $query_strategy_part = "ttrss_entries.id > 0";
+                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
+                               id = feed_id) as feed_title,";
+               } else if ($feed >= 0) {
+                       $query_strategy_part = "feed_id = '$feed'";
+               } else if ($feed == -1) { // starred virtual feed
+                       $query_strategy_part = "marked = true";
+                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
+                               id = feed_id) as feed_title,";
+               } else if ($feed <= -10) { // labels
+                       $label_id = -$feed - 11;
+
+                       $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
+                               WHERE id = '$label_id'");
+               
+                       $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
+       
+                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
+                               id = feed_id) as feed_title,";
+               } else {
+                       $query_strategy_part = "id > 0"; // dumb
+               }
+
+
+               $order_by = "updated DESC";
+
+//             if ($feed < -10) {
+//                     $order_by = "feed_id,updated DESC";
+//             }
+
+               if ($feed < -10) error_reporting (0);
+
+               if (sprintf("%d", $feed) != 0) {
+
+                       $result = db_query($link, "SELECT 
+                                       id,title,updated,unread,feed_id,marked,link,last_read,
+                                       SUBSTRING(last_read,1,19) as last_read_noms,
+                                       $vfeed_query_part
+                                       SUBSTRING(updated,1,19) as updated_noms
+                               FROM
+                                       ttrss_entries 
+                               WHERE
+                               $search_query_part
+                               $view_query_part
+                               $query_strategy_part ORDER BY $order_by
+                               $limit_query_part");
+
+               } else {
+                       // browsing by tag
+
+                       $result = db_query($link, "SELECT
+                               ttrss_entries.id as id,title,updated,unread,feed_id,
+                               marked,link,last_read,
+                               SUBSTRING(last_read,1,19) as last_read_noms,
+                               $vfeed_query_part
+                               SUBSTRING(updated,1,19) as updated_noms
+                               FROM
+                                       ttrss_entries,ttrss_tags
+                               WHERE
+                                       post_id = ttrss_entries.id AND tag_name = '$feed' AND
+                                       $view_query_part
+                                       $search_query_part
+                                       $query_strategy_part ORDER BY $order_by
+                               $limit_query_part");    
+               }
+
+               if (!$result) {
+                       print "<tr><td colspan='4' align='center'>
+                               Could not display feed (query failed). Please check match syntax or local configuration.</td></tr>";
+                       return;
+               }
 
                $lnum = 0;
-               
+
+               error_reporting (E_ERROR | E_WARNING | E_PARSE);
+
                $num_unread = 0;
 
                while ($line = db_fetch_assoc($result)) {
                        $id = $line["id"];
                        $feed_id = $line["feed_id"];
 
-/*                     if ($line["last_read"] && $line["updated"] &&                   
-                               strtotime($line["last_read"]) < strtotime($line["updated"]) && 
-                               ($line["unread"] == "f" || $line["unread"] == "0")) {
-                                                 
-                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\" 
-                                       alt=\"Updated\">";
-                               ++$num_unread;
-                       } else {
-                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.png\" 
-                                       alt=\"Updated\">";
-                       } */
-
 //                     printf("L %d (%s) &gt; U %d (%s) = %d<br>", 
-//                             strtotime($line["last_read"]), $line["last_read"],
+//                             strtotime($line["last_read_noms"]), $line["last_read_noms"],
 //                             strtotime($line["updated"]), $line["updated"],
 //                             strtotime($line["last_read"]) >= strtotime($line["updated"]));
 
-                       if ($line["last_read"] != "" && $line["updated"] != "" &&
-                               strtotime($line["last_read"]) < strtotime($line["updated"])) {
+/*                     if ($line["last_read"] != "" && $line["updated"] != "" &&
+                               strtotime($line["last_read_noms"]) < strtotime($line["updated_noms"])) {
 
                                $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\" 
                                        alt=\"Updated\">";
 
                        } else {
 
-                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.png\" 
+                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
                                        alt=\"Updated\">";
 
+                       } */
+
+                       if ($line["last_read"] == "" && 
+                                       ($line["unread"] != "t" && $line["unread"] != "1")) {
+
+                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\" 
+                                       alt=\"Updated\">";
+                       } else {
+                               $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
+                                       alt=\"Updated\">";
                        }
 
                        if ($line["unread"] == "t" || $line["unread"] == "1") {
                        $content_link = "<a id=\"FTITLE-$id\" href=\"javascript:view($id,$feed_id);\">" .
                                $line["title"] . "</a>";
                                
-                       print "<tr class='$class' id='RROW-$id'";
+                       print "<tr class='$class' id='RROW-$id'>";
                        // onclick=\"javascript:view($id,$feed_id)\">
 
                        print "<td valign='center' align='center'>$update_pic</td>";
 
                        print "<td width='25%'>
                                <a href=\"javascript:view($id,$feed_id);\">".$line["updated"]."</a></td>";
-                       print "<td width='70%'>$content_link</td>";
+
+                       if ($line["feed_title"]) {                      
+                               print "<td width='50%'>$content_link</td>";
+                               print "<td width='20%'>
+                                       <a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a></td>";
+                       } else {
+                               print "<td width='70%'>$content_link</td>";
+                       }
 
                        print "</tr>";
 
                }
 
                if ($lnum == 0) {
-                       print "<tr><td align='center'>No entries found.</td></tr>";
-               }
-
-               while ($lnum < HEADLINES_PER_PAGE) {
-                       ++$lnum;
-                       print "<tr><td>&nbsp;</td></tr>";
+                       print "<tr><td align='center'>No articles found.</td></tr>";
                }
                
                print "</table>";
-
-               $result = db_query($link, "SELECT id, (SELECT count(id) FROM ttrss_entries 
-                       WHERE feed_id = ttrss_feeds.id) AS total,
-               (SELECT count(id) FROM ttrss_entries
-                       WHERE feed_id = ttrss_feeds.id AND unread = true) as unread
-               FROM ttrss_feeds WHERE id = '$feed'");                  
-
-               $total = db_fetch_result($result, 0, "total");
-               $unread = db_fetch_result($result, 0, "unread");
-
-               // update unread/total counters and status for active feed in the feedlist 
-               // kludge, because iframe doesn't seem to support onload() 
                
                print "<script type=\"text/javascript\">
                        document.onkeydown = hotkey_handler;
-
-                       var p_document = parent.frames['feeds-frame'].document;
-
-                       var feedr = p_document.getElementById(\"FEEDR-\" + $feed);
-                       var feedu = p_document.getElementById(\"FEEDU-\" + $feed);
-
-                       if (feedu) {
-                               feedu.innerHTML = \"$unread\";
-                       }
-
-                       var feedctr = p_document.getElementById(\"FEEDCTR-\" + $feed);
-
-                       if ($unread > 0 && !feedr.className.match(\"Unread\")) {
-                                       feedr.className = feedr.className + \"Unread\";
-                                       feedctr.className = '';
-                       } else if ($unread <= 0) {      
-                                       feedr.className = feedr.className.replace(\"Unread\", \"\");
-                                       feedctr.className = 'invisible';
-                       }       
-
-//                     p_notify(\"\");
-
+                       update_label_counters('$feed');
                </script>";
 
                if ($addheader) {
                if ($subop == "editSave") {
                        $feed_title = db_escape_string($_GET["t"]);
                        $feed_link = db_escape_string($_GET["l"]);
+                       $upd_intl = db_escape_string($_GET["ui"]);
+                       $purge_intl = db_escape_string($_GET["pi"]);
                        $feed_id = $_GET["id"];
 
+                       if (strtoupper($upd_intl) == "DEFAULT")
+                               $upd_intl = 0;
+
+                       if (strtoupper($purge_intl) == "DEFAULT")
+                               $purge_intl = 0;
+
+                       if (strtoupper($purge_intl) == "DISABLED")
+                               $purge_intl = -1;
+
                        $result = db_query($link, "UPDATE ttrss_feeds SET 
-                               title = '$feed_title', feed_url = '$feed_link' WHERE id = '$feed_id'");                 
+                               title = '$feed_title', feed_url = '$feed_link',
+                               update_interval = '$upd_intl',
+                               purge_interval = '$purge_intl' 
+                               WHERE id = '$feed_id'");                        
 
                }
 
                                $ids = split(",", $_GET["ids"]);
 
                                foreach ($ids as $id) {
-                                       db_query($link, "BEGIN");
-                                       db_query($link, "DELETE FROM ttrss_entries WHERE feed_id = '$id'");
                                        db_query($link, "DELETE FROM ttrss_feeds WHERE id = '$id'");
-                                       db_query($link, "COMMIT");
+
+                                       $icons_dir = get_pref($link, 'ICONS_DIR');
                                        
-                                       if (file_exists(ICONS_DIR . "/$id.ico")) {
-                                               unlink(ICONS_DIR . "/$id.ico");
+                                       if (file_exists($icons_dir . "/$id.ico")) {
+                                               unlink($icons_dir . "/$id.ico");
                                        }
                                }
                        }
                                $feed_link = db_escape_string($_GET["link"]);
                                        
                                $result = db_query($link,
-                                       "INSERT INTO ttrss_feeds (feed_url,title) VALUES ('$feed_link', '')");
+                                       "INSERT INTO ttrss_feeds (owner_uid,feed_url,title) VALUES ('".$_SESSION["uid"]."', '$feed_link', '')");
 
                                $result = db_query($link,
                                        "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'");
                        }
                }
 
+               $result = db_query($link, "SELECT id,title,feed_url,last_error 
+                       FROM ttrss_feeds WHERE last_error != ''");
+
+               if (db_num_rows($result) > 0) {
+               
+                       print "<div class=\"warning\">";
+               
+                       print "<b>Feeds with update errors:</b>";
+
+                       print "<ul class=\"nomarks\">";
+                                               
+                       while ($line = db_fetch_assoc($result)) {
+                               print "<li>" . $line["title"] . " (" . $line["feed_url"] . "): " . 
+                                       $line["last_error"];
+                       }
+
+                       print "</ul>";
+                       print "</div>";
+
+               }
+
                print "<table class=\"prefAddFeed\"><tr>
                        <td><input id=\"fadd_link\"></td>
                        <td colspan=\"4\" align=\"right\">
                </table>";
 
                $result = db_query($link, "SELECT 
-                               id,title,feed_url,substring(last_updated,1,16) as last_updated
+                               id,title,feed_url,substring(last_updated,1,16) as last_updated,
+                               update_interval,purge_interval
                        FROM 
-                               ttrss_feeds ORDER by title");
+                               ttrss_feeds WHERE owner_uid = '".$_SESSION["uid"]."' ORDER by title");
 
                print "<p><table width=\"100%\" class=\"prefFeedList\" id=\"prefFeedList\">";
                print "<tr class=\"title\">
-                                       <td>&nbsp;</td><td>Select</td><td width=\"40%\">Title</td>
-                                       <td width=\"40%\">Link</td><td>Last updated</td></tr>";
+                                       <td>&nbsp;</td><td>Select</td><td width=\"30%\">Title</td>
+                                       <td width=\"30%\">Link</td>
+                                       <td width=\"10%\">Update Interval</td>
+                                       <td width=\"10%\">Purge Days</td>
+                                       <td>Last updated</td></tr>";
                
                $lnum = 0;
                
 
                        print "<tr class=\"$class\" id=\"FEEDR-$feed_id\">";
 
-                       $icon_file = ICONS_DIR . "/$feed_id.ico";
+                       $icon_file = get_pref($link, 'ICONS_DIR') . "/$feed_id.ico";
 
                        if (file_exists($icon_file) && filesize($icon_file) > 0) {
                                        $feed_icon = "<img width=\"16\" height=\"16\"
-                                               src=\"" . ICONS_URL . "/$feed_id.ico\">";
+                                               src=\"" . get_pref($link, 'ICONS_URL') . "/$feed_id.ico\">";
                        } else {
                                $feed_icon = "&nbsp;";
                        }
                        print "<td align='center'>$feed_icon</td>";             
 
+                       $edit_title = htmlspecialchars(db_unescape_string($line["title"]));
+                       $edit_link = htmlspecialchars(db_unescape_string($line["feed_url"]));
+
                        if (!$edit_feed_id || $subop != "edit") {
 
                                print "<td><input onclick='toggleSelectRow(this);' 
                                type=\"checkbox\" id=\"FRCHK-".$line["id"]."\"></td>";
 
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       $line["title"] . "</td>";               
+                                       $edit_title . "</a></td>";              
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       $line["feed_url"] . "</td>";            
-                       
+                                       $edit_link . "</a></td>";               
+
+                               if ($line["update_interval"] == "0")
+                                       $line["update_interval"] = "Default";
+
+                               print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
+                                       $line["update_interval"] . "</a></td>";
+
+                               if ($line["purge_interval"] == "0")
+                                       $line["purge_interval"] = "Default";
+
+                               if ($line["purge_interval"] < 0)
+                                       $line["purge_interval"] = "Disabled";
+
+                               print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
+                                       $line["purge_interval"] . "</a></td>";
 
                        } else if ($feed_id != $edit_feed_id) {
 
                                print "<td><input disabled=\"true\" type=\"checkbox\" 
                                        id=\"FRCHK-".$line["id"]."\"></td>";
 
-                               print "<td>".$line["title"]."</td>";            
-                               print "<td>".$line["feed_url"]."</td>";         
+                               print "<td>$edit_title</td>";           
+                               print "<td>$edit_link</td>";            
+
+                               if ($line["update_interval"] == "0")
+                                       $line["update_interval"] = "Default";
+
+                               print "<td>" . $line["update_interval"] . "</td>";
+
+                               if ($line["purge_interval"] == "0")
+                                       $line["purge_interval"] = "Default";
+
+                               if ($line["purge_interval"] < 0)
+                                       $line["purge_interval"] = "Disabled";
+
+                               print "<td>" . $line["purge_interval"] . "</td>";
 
                        } else {
 
                                print "<td><input disabled=\"true\" type=\"checkbox\"></td>";
 
-                               print "<td><input id=\"iedit_title\" value=\"".$line["title"]."\"></td>";
-                               print "<td><input id=\"iedit_link\" value=\"".$line["feed_url"]."\"></td>";
-                                               
+                               print "<td><input id=\"iedit_title\" value=\"$edit_title\"></td>";
+                               print "<td><input id=\"iedit_link\" value=\"$edit_link\"></td>";
+                               print "<td><input id=\"iedit_updintl\" value=\"".$line["update_interval"]."\"></td>";
+                               print "<td><input id=\"iedit_purgintl\" value=\"".$line["purge_interval"]."\"></td>";
+                                       
                        }
 
                        if (!$line["last_updated"]) $line["last_updated"] = "Never";
                        <input type=\"submit\" class=\"button\" 
                                onclick=\"javascript:removeSelectedFeeds()\" value=\"Remove\">";
                                
-                       if (ENABLE_PREFS_CATCHUP_UNCATCHUP) {
+                       if (get_pref($link, 'ENABLE_PREFS_CATCHUP_UNCATCHUP')) {
                                print "
                                <input type=\"submit\" class=\"button\" 
                                        onclick=\"javascript:readSelectedFeeds()\" value=\"Mark as read\">
                
                        }
 
+               print "<h3>OPML Import</h3>
+               <form   enctype=\"multipart/form-data\" method=\"POST\" action=\"opml.php\">
+                       File: <input id=\"opml_file\" name=\"opml_file\" type=\"file\">&nbsp;
+                       <input class=\"button\" name=\"op\" onclick=\"return validateOpmlImport();\"
+                               type=\"submit\" value=\"Import\">
+                       </form>";
+
        }
 
        if ($op == "pref-filters") {
                                $match = db_escape_string($_GET["match"]);
                                        
                                $result = db_query($link,
-                                       "INSERT INTO ttrss_filters (reg_exp,filter_type) VALUES 
+                                       "INSERT INTO ttrss_filters (reg_exp,filter_type,owner_uid) VALUES 
                                                ('$regexp', (SELECT id FROM ttrss_filter_types WHERE
-                                                       description = '$match'))");
+                                                       description = '$match'),'".$_SESSION["uid"]."')");
                        } 
                }
 
                                (SELECT description FROM ttrss_filter_types 
                                        WHERE id = filter_type) as filter_type_descr
                        FROM 
-                               ttrss_filters ORDER by reg_exp");
+                               ttrss_filters
+                       WHERE
+                               owner_uid = ".$_SESSION["uid"]."
+                       ORDER by reg_exp");
 
                print "<p><table width=\"100%\" class=\"prefFilterList\" id=\"prefFilterList\">";
 
                }
        }
 
+       if ($op == "pref-labels") {
+
+               $subop = $_GET["subop"];
+
+               if ($subop == "editSave") {
+
+                       $sql_exp = $_GET["s"];
+                       $descr = $_GET["d"];
+                       $label_id = db_escape_string($_GET["id"]);
+                       
+//                     print "$sql_exp : $descr : $label_id";
+                       
+                       $result = db_query($link, "UPDATE ttrss_labels SET 
+                               sql_exp = '$sql_exp', 
+                               description = '$descr'
+                               WHERE id = '$label_id'");
+               }
+
+               if ($subop == "remove") {
+
+                       if (!WEB_DEMO_MODE) {
+
+                               $ids = split(",", $_GET["ids"]);
+
+                               foreach ($ids as $id) {
+                                       db_query($link, "DELETE FROM ttrss_labels WHERE id = '$id'");
+                                       
+                               }
+                       }
+               }
+
+               if ($subop == "add") {
+               
+                       if (!WEB_DEMO_MODE) {
+
+                               $exp = $_GET["exp"];
+                                       
+                               $result = db_query($link,
+                                       "INSERT INTO ttrss_labels (sql_exp,description,owner_uid) 
+                                               VALUES ('$exp', '$exp', '".$_SESSION["uid"]."')");
+                       } 
+               }
+
+               print "<table class=\"prefAddFeed\"><tr>
+                       <td><input id=\"ladd_expr\"></td>";
+                       
+               print"<td colspan=\"4\" align=\"right\">
+                               <a class=\"button\" href=\"javascript:addLabel()\">Add label</a></td></tr>
+               </table>";
+
+               $result = db_query($link, "SELECT 
+                               id,sql_exp,description
+                       FROM 
+                               ttrss_labels 
+                       WHERE 
+                               owner_uid = ".$_SESSION["uid"]."
+                       ORDER by description");
+
+               print "<p><table width=\"100%\" class=\"prefLabelList\" id=\"prefLabelList\">";
+
+               print "<tr class=\"title\">
+                                       <td width=\"5%\">Select</td><td width=\"40%\">SQL expression
+                                       <a class=\"helpLink\" href=\"javascript:popupHelp(1)\">(?)</a>
+                                       </td>
+                                       <td width=\"40%\">Caption</td></tr>";
+               
+               $lnum = 0;
+               
+               while ($line = db_fetch_assoc($result)) {
+
+                       $class = ($lnum % 2) ? "even" : "odd";
+
+                       $label_id = $line["id"];
+                       $edit_label_id = $_GET["id"];
+
+                       if ($subop == "edit" && $label_id != $edit_label_id) {
+                               $class .= "Grayed";
+                       }
+
+                       print "<tr class=\"$class\" id=\"LILRR-$label_id\">";
+
+                       $line["sql_exp"] = htmlspecialchars($line["sql_exp"]);
+                       $line["description"] = htmlspecialchars($line["description"]);
+
+                       if (!$edit_label_id || $subop != "edit") {
+
+                               if (!$line["description"]) $line["description"] = "[No caption]";
+
+                               print "<td><input onclick='toggleSelectRow(this);' 
+                               type=\"checkbox\" id=\"LICHK-".$line["id"]."\"></td>";
+
+                               print "<td><a href=\"javascript:editLabel($label_id);\">" . 
+                                       $line["sql_exp"] . "</td>";             
+                                       
+                               print "<td><a href=\"javascript:editLabel($label_id);\">" . 
+                                       $line["description"] . "</td>";                 
+
+                       } else if ($label_id != $edit_label_id) {
+
+                               if (!$line["description"]) $line["description"] = "[No description]";
+
+                               print "<td><input disabled=\"true\" type=\"checkbox\" 
+                                       id=\"LICHK-".$line["id"]."\"></td>";
+
+                               print "<td>".$line["sql_exp"]."</td>";          
+                               print "<td>".$line["description"]."</td>";              
+
+                       } else {
+
+                               print "<td><input disabled=\"true\" type=\"checkbox\"></td>";
+
+                               print "<td><input id=\"iedit_expr\" value=\"".$line["sql_exp"].
+                                       "\"></td>";
+
+                               print "<td><input id=\"iedit_descr\" value=\"".$line["description"].
+                                       "\"></td>";
+                                               
+                       }
+                               
+                       
+                       print "</tr>";
+
+                       ++$lnum;
+               }
+
+               if ($lnum == 0) {
+                       print "<tr><td colspan=\"4\" align=\"center\">No labels defined.</td></tr>";
+               }
+
+               print "</table>";
+
+               print "<p>";
+
+               if ($subop == "edit") {
+                       print "Edit label:
+                               <input type=\"submit\" class=\"button\" 
+                                       onclick=\"javascript:labelEditCancel()\" value=\"Cancel\">
+                               <input type=\"submit\" class=\"button\" 
+                                       onclick=\"javascript:labelEditSave()\" value=\"Save\">";
+                                       
+               } else {
+
+                       print "
+                               Selection:
+                       <input type=\"submit\" class=\"button\" 
+                               onclick=\"javascript:editSelectedLabel()\" value=\"Edit\">
+                       <input type=\"submit\" class=\"button\" 
+                               onclick=\"javascript:removeSelectedLabels()\" value=\"Remove\">";
+               }
+       }
+
        if ($op == "error") {
                print "<div width=\"100%\" align='center'>";
                $msg = $_GET["msg"];
                print "</div>";
        }
 
+       if ($op == "help") {
+               print "<html><head>
+                       <title>Tiny Tiny RSS : Help</title>
+                       <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
+                       <script type=\"text/javascript\" src=\"functions.js\"></script>
+                       <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
+                       </head><body>";
+
+               $tid = sprintf("%d", $_GET["tid"]);
+
+               /* FIXME this badly needs real implementation */
+
+               print "<div class='helpResponse'>";
+
+               ?>
+
+               <h1>Help for SQL expressions</h1>
+
+               <h2>Description</h2>
+
+               <p>The &laquo;SQL expression&raquo; is added to WHERE clause of
+                       view feed query. You can match on ttrss_entries table fields
+                       and even use subselect to query additional information. This 
+                       functionality is considered to be advanced and requires basic
+                       understanding of SQL.</p>
+                       
+               <h2>Examples</h2>
+
+               <pre>unread = true</pre>
+
+               Matches all unread articles
+
+               <pre>title like '%Linux%'</pre>
+
+               Matches all articles which mention Linux in the title. You get the idea.
+
+               <p>See the database schema included in the distribution package for gruesome
+               details.</p>
+
+               <?
+
+               print "<div align='center'>
+                       <a class=\"helpLink\"
+                       href=\"javascript:window.close()\">(Close this window)</a></div>";
+
+               print "</div>";
+
+               print "</body></html>";
+
+       }
+
+       if ($op == "dlg") {
+               $id = $_GET["id"];
+               $param = $_GET["param"];
+
+               if ($id == "quickAddFeed") {
+                       print "Feed URL: <input 
+                       onblur=\"javascript:enableHotkeys()\" onfocus=\"javascript:disableHotkeys()\"
+                       id=\"qafInput\">
+                       <input class=\"button\"
+                               type=\"submit\" onclick=\"javascript:qafAdd()\" value=\"Add feed\">
+                       <input class=\"button\"
+                               type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                               value=\"Cancel\">";
+               }
+
+               if ($id == "quickDelFeed") {
+
+                       $param = db_escape_string($param);
+
+                       $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$param'");
+
+                       if ($result) {
+
+                               $f_title = db_fetch_result($result, 0, "title");
+               
+                               print "Remove current feed ($f_title)?&nbsp;
+                               <input class=\"button\"
+                                       type=\"submit\" onclick=\"javascript:qfdDelete($param)\" value=\"Remove\">
+                               <input class=\"button\"
+                                       type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                                       value=\"Cancel\">";
+                       } else {
+                               print "Error: Feed $param not found.&nbsp;
+                               <input class=\"button\"
+                                       type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                                       value=\"Cancel\">";             
+                       }
+               }
+
+               if ($id == "search") {
+
+                       print "<input id=\"searchbox\" class=\"extSearch\"                      
+                       onblur=\"javascript:enableHotkeys()\" onfocus=\"javascript:disableHotkeys()\"
+                       onchange=\"javascript:search()\">
+                       <select id=\"searchmodebox\">
+                               <option selected>All feeds</option>
+                               <option>This feed</option>
+                       </select>               
+                       <input type=\"submit\" 
+                               class=\"button\" onclick=\"javascript:search()\" value=\"Search\">
+                       <input class=\"button\"
+                               type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                               value=\"Close\">";
+
+               }
+
+       }
+
+       if ($op == "updateAllFeeds") {
+               update_all_feeds($link, true);                  
+
+               print "<rpc-reply>";
+               getLabelCounters($link);
+               getFeedCounters($link);
+               getTagCounters($link);
+               getGlobalCounters($link);
+               print "</rpc-reply>";
+
+       }
+
+       if ($op == "pref-prefs") {
+
+               $subop = $_REQUEST["subop"];
+
+               if ($subop == "Save configuration") {
+
+                       if (WEB_DEMO_MODE) return;
+
+                       foreach (array_keys($_POST) as $pref_name) {
+                       
+                               $pref_name = db_escape_string($pref_name);
+                               $value = db_escape_string($_POST[$pref_name]);
+
+                               $result = db_query($link, "SELECT type_name 
+                                       FROM ttrss_prefs,ttrss_prefs_types 
+                                       WHERE pref_name = '$pref_name' AND type_id = ttrss_prefs_types.id");
+
+                               if (db_num_rows($result) > 0) {
+
+                                       $type_name = db_fetch_result($result, 0, "type_name");
+
+//                                     print "$pref_name : $type_name : $value<br>";
+
+                                       if ($type_name == "bool") {
+                                               if ($value == "1") {
+                                                       $value = "true";
+                                               } else {
+                                                       $value = "false";
+                                               }
+                                       } else if ($type_name == "integer") {
+                                               $value = sprintf("%d", $value);
+                                       }
+
+//                                     print "$pref_name : $type_name : $value<br>";
+
+                                       db_query($link, "UPDATE ttrss_user_prefs SET value = '$value' 
+                                               WHERE pref_name = '$pref_name' AND owner_uid = ".$_SESSION["uid"]);
+
+                               }
+
+                               header("Location: prefs.php");
+
+                       }
+
+               } else if ($subop == "getHelp") {
+
+                       $pref_name = db_escape_string($_GET["pn"]);
+
+                       $result = db_query($link, "SELECT help_text FROM ttrss_prefs
+                               WHERE pref_name = '$pref_name'");
+
+                       if (db_num_rows($result) > 0) {
+                               $help_text = db_fetch_result($result, 0, "help_text");
+                               print $help_text;
+                       } else {
+                               print "Unknown option: $pref_name";
+                       }
+
+               } else if ($subop == "Change password") {
+
+                       if (WEB_DEMO_MODE) return;
+
+                       $old_pw = $_POST["OLD_PASSWORD"];
+                       $new_pw = $_POST["OLD_PASSWORD"];
+
+                       $old_pw_hash = 'SHA1:' . sha1($_POST["OLD_PASSWORD"]);
+                       $new_pw_hash = 'SHA1:' . sha1($_POST["NEW_PASSWORD"]);
+
+                       $active_uid = $_SESSION["uid"];
+
+                       if ($old_pw && $new_pw) {
+
+                               $login = db_escape_string($_SERVER['PHP_AUTH_USER']);
+
+                               $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
+                                       id = '$active_uid' AND (pwd_hash = '$old_pw' OR 
+                                               pwd_hash = '$old_pw_hash')");
+
+                               if (db_num_rows($result) == 1) {
+                                       db_query($link, "UPDATE ttrss_users SET pwd_hash = '$new_pw_hash' 
+                                               WHERE id = '$active_uid'");                             
+                               }
+                       }
+
+                       header("Location: prefs.php");
+       
+               } else if ($subop == "Reset to defaults") {
+
+                       if (WEB_DEMO_MODE) return;
+
+                       db_query($link,"UPDATE ttrss_user_prefs 
+                               SET value = ttrss_prefs.def_value 
+                               WHERE owner_uid = '".$_SESSION["uid"]."' AND
+                               ttrss_prefs.pref_name = ttrss_user_prefs.pref_name");
+
+                       header("Location: prefs.php");
+
+               } else {
+
+                       print "<form action=\"backend.php\" method=\"POST\">";
+
+                       print "<table width=\"100%\" class=\"prefPrefsList\">";
+                       print "<tr><td colspan='3'><h3>Authentication</h3></tr></td>";
+
+                       print "<tr><td width=\"40%\">Old password</td>";
+                       print "<td><input class=\"editbox\" type=\"password\"
+                               name=\"OLD_PASSWORD\"></td></tr>";
+
+                       print "<tr><td width=\"40%\">New password</td>";
+                       
+                       print "<td><input class=\"editbox\" type=\"password\"
+                               name=\"NEW_PASSWORD\"></td></tr>";
+
+                       print "</table>";
+
+                       print "<input type=\"hidden\" name=\"op\" value=\"pref-prefs\">";
+
+                       print "<p><input class=\"button\" type=\"submit\" 
+                               value=\"Change password\" name=\"subop\">";
+
+                       print "</form>";
+
+                       $result = db_query($link, "SELECT 
+                               ttrss_user_prefs.pref_name,short_desc,help_text,value,type_name,
+                               section_name,def_value
+                               FROM ttrss_prefs,ttrss_prefs_types,ttrss_prefs_sections,ttrss_user_prefs
+                               WHERE type_id = ttrss_prefs_types.id AND 
+                                       section_id = ttrss_prefs_sections.id AND
+                                       ttrss_user_prefs.pref_name = ttrss_prefs.pref_name
+                               ORDER BY section_id,short_desc");
+
+                       print "<form action=\"backend.php\" method=\"POST\">";
+
+                       $lnum = 0;
+
+                       $active_section = "";
+       
+                       while ($line = db_fetch_assoc($result)) {
+
+                               if ($active_section != $line["section_name"]) {
+
+                                       if ($active_section != "") {
+                                               print "</table>";
+                                       }
+
+                                       print "<p><table width=\"100%\" class=\"prefPrefsList\">";
+                               
+                                       $active_section = $line["section_name"];                                
+                                       
+                                       print "<tr><td colspan=\"3\"><h3>$active_section</h3></td></tr>";
+//                                     print "<tr class=\"title\">
+//                                             <td width=\"25%\">Option</td><td>Value</td></tr>";
+
+                                       $lnum = 0;
+                               }
+
+//                             $class = ($lnum % 2) ? "even" : "odd";
+
+                               print "<tr>";
+
+                               $type_name = $line["type_name"];
+                               $pref_name = $line["pref_name"];
+                               $value = $line["value"];
+                               $def_value = $line["def_value"];
+                               $help_text = $line["help_text"];
+
+                               print "<td width=\"40%\" id=\"$pref_name\">" . $line["short_desc"];
+
+                               if ($help_text) print "<div class=\"prefHelp\">$help_text</div>";
+                               
+                               print "</td>";
+
+                               print "<td>";
+
+                               if ($type_name == "bool") {
+//                                     print_select($pref_name, $value, array("true", "false"));
+
+                                       if ($value == "true") {
+                                               $value = "Yes";
+                                       } else {
+                                               $value = "No";
+                                       }
+
+                                       print_radio($pref_name, $value, array("Yes", "No"));
+                       
+                               } else {
+                                       print "<input class=\"editbox\" name=\"$pref_name\" value=\"$value\">";
+                               }
+
+                               print "</td>";
+
+                               print "</tr>";
+
+                               $lnum++;
+                       }
+
+                       print "</table>";
+
+                       print "<input type=\"hidden\" name=\"op\" value=\"pref-prefs\">";
+
+                       print "<p><input class=\"button\" type=\"submit\" 
+                               name=\"subop\" value=\"Save configuration\">";
+                               
+                       print "&nbsp;<input class=\"button\" type=\"submit\" 
+                               name=\"subop\" value=\"Reset to defaults\"></p>";
+
+                       print "</form>";
+
+               }
+
+       }
+
        db_close($link);
 ?>
+
+<!-- <?= sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
+