]> git.wh0rd.org - tt-rss.git/blobdiff - functions.php
add experimental digest thingie
[tt-rss.git] / functions.php
index 057fa447ae4e94f438e14a2c2960f00bc8b0df9e..78e0d4f1800fcd35d5a5c74fd32b97592ee7f83a 100644 (file)
@@ -1,10 +1,8 @@
 <?php
 
-/*     if ($_REQUEST["debug"]) {
+       if ($_REQUEST["debug"]) {
                define('DEFAULT_ERROR_LEVEL', E_ALL);
-       } else {
-               define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
-       } */
+       }
 
        require_once 'config.php';
 
                }
        } // If translations are enabled.
 
+       if (defined('MEMCACHE_SERVER')) {
+               $memcache = new Memcache;
+               $memcache->connect(MEMCACHE_SERVER, 11211);
+       }
+
        require_once 'db-prefs.php';
        require_once 'compat.php';
        require_once 'errors.php';
                }
        }
 
-       function fetch_file_contents($url) {
+       function fetch_file_contents($url, $type) {
                if (USE_CURL_FOR_ICONS) {
-                       $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
-
                        $ch = curl_init($url);
-                       $fp = fopen($tmpfile, "w");
 
-                       if ($fp) {
-                               curl_setopt($ch, CURLOPT_FILE, $fp);
-                               curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
-                               curl_setopt($ch, CURLOPT_TIMEOUT, 45);
-                               curl_exec($ch);
-
-                               if (strpos(curl_getinfo($ch, CURLINFO_CONTENT_TYPE), "image/") !== false) {
-                                       curl_close($ch);
-                                       fclose($fp);                                    
-                                       $contents = file_get_contents($tmpfile);
-                               } else {
-                                       curl_close($ch);
-                                       fclose($fp);                                    
-                               }
+                       curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
+                       curl_setopt($ch, CURLOPT_TIMEOUT, 45);
+                       curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+                       curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
+                       curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
+                       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+
+                       $contents = curl_exec($ch);
+                       if ($contents === false) {
+                               curl_close($ch);
+                               return false;
                        }
 
-                       unlink($tmpfile);
+                       $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
+                       curl_close($ch);
 
-                       return $contents;
+                       if ($type && strpos($content_type, "$type") === false) {
+                               return false;
+                       }
 
+                       return $contents;
                } else {
                        return file_get_contents($url);
                }
                $icon_file = ICONS_DIR . "/$feed.ico";
 
                if ($favicon_url && !file_exists($icon_file)) {
-                       $contents = fetch_file_contents($favicon_url);
+                       $contents = fetch_file_contents($favicon_url, "image");
 
-                       $fp = fopen($icon_file, "w");
+                       if ($contents) {
+                               $fp = fopen($icon_file, "w");
 
-                       if ($fp) {
-                               fwrite($fp, $contents);
-                               fclose($fp);
-                               chmod($icon_file, 0644);
+                               if ($fp) {
+                                       fwrite($fp, $contents);
+                                       fclose($fp);
+                                       chmod($icon_file, 0644);
+                               }
                        }
                }
 
 
        }
 
-       function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
+       function update_rss_feed($link, $feed, $ignore_daemon = false) {
+
+               global $memcache;
+
+               /* Update all feeds with the same URL to utilize memcache */
+
+               if ($memcache) {
+                       $result = db_query($link, "SELECT f1.id 
+                               FROM ttrss_feeds AS f1, ttrss_feeds AS f2 
+                               WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
+
+                       while ($line = db_fetch_assoc($result)) {
+                               update_rss_feed_real($link, $line["id"], $ignore_daemon);
+                       }
+               } else {
+                       update_rss_feed_real($link, $feed, $ignore_daemon);
+               }
+       }
+
+       function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
+
+               global $memcache;
 
                if (!$_REQUEST["daemon"] && !$ignore_daemon) {
                        return false;
                } else {
 
                        $result = db_query($link, "SELECT id,update_interval,auth_login,
-                               auth_pass,cache_images,update_method,hidden,last_updated
+                               feed_url,auth_pass,cache_images,update_method,last_updated
                                FROM ttrss_feeds WHERE id = '$feed'");
 
                }
 
                if (db_num_rows($result) == 0) {
                        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
-                               _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
+                               _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
                        }               
                        return false;
                }
 
-               $hidden = sql_bool_to_bool(db_fetch_result($result, 0, "hidden"));
                $update_method = db_fetch_result($result, 0, "update_method");
                $last_updated = db_fetch_result($result, 0, "last_updated");
 
                $auth_login = db_fetch_result($result, 0, "auth_login");
                $auth_pass = db_fetch_result($result, 0, "auth_pass");
 
-               if (ALLOW_SELECT_UPDATE_METHOD) {
-                       if (ENABLE_SIMPLEPIE) {
-                               $use_simplepie = $update_method != 1;
-                       } else {
-                               $use_simplepie = $update_method == 2;
-                       }
+               if (DEFAULT_UPDATE_METHOD == "1") {
+                       $use_simplepie = $update_method != 1;
                } else {
-                       $use_simplepie = ENABLE_SIMPLEPIE;
+                       $use_simplepie = $update_method == 2;
                }
 
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 
                $update_interval = db_fetch_result($result, 0, "update_interval");
                $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
+               $fetch_url = db_fetch_result($result, 0, "feed_url");
 
                if ($update_interval < 0) { return; }
 
                $feed = db_escape_string($feed);
 
-               $fetch_url = $feed_url;
-
                if ($auth_login && $auth_pass) {
                        $url_parts = array();
                        preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
                        error_reporting(0);
                }
 
-               if (!$use_simplepie) {
-                       $rss = fetch_rss($fetch_url);
-               } else {
-                       if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
-                               mkdir(SIMPLEPIE_CACHE_DIR);
-                       }
+               $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 
-                       $rss = new SimplePie();
-                       $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
-#                      $rss->set_timeout(10);
-                       $rss->set_feed_url($fetch_url);
-                       $rss->set_output_encoding('UTF-8');
-
-                       if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
-                               if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
-                                       _debug("enabling image cache");
-                               }
-
-                               $rss->set_image_handler('./image.php', 'i');
-                       }
+               if ($memcache && $obj = $memcache->get($obj_id)) {
 
                        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
-                               _debug("feed update interval (sec): " .
-                                       get_feed_update_interval($link, $feed)*60);
+                               _debug("update_rss_feed: data found in memcache.");
                        }
 
-                       if (is_dir(SIMPLEPIE_CACHE_DIR)) {
-                               $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
-                               $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
+                       $rss = $obj;
+
+               } else {
+
+                       if (!$use_simplepie) {
+                               $rss = fetch_rss($fetch_url);
+                       } else {
+                               if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
+                                       mkdir(SIMPLEPIE_CACHE_DIR);
+                               }
+       
+                               $rss = new SimplePie();
+                               $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
+       #                       $rss->set_timeout(10);
+                               $rss->set_feed_url($fetch_url);
+                               $rss->set_output_encoding('UTF-8');
+       
+                               if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
+                                       if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
+                                               _debug("enabling image cache");
+                                       }
+       
+                                       $rss->set_image_handler('./image.php', 'i');
+                               }
+       
+                               if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
+                                       _debug("feed update interval (sec): " .
+                                               get_feed_update_interval($link, $feed)*60);
+                               }
+       
+                               if (is_dir(SIMPLEPIE_CACHE_DIR)) {
+                                       $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
+                                       $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
+                               }
+       
+                               $rss->init();
                        }
 
-                       $rss->init();
+                       if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
                }
 
 //             print_r($rss);
                                        $rss_1_date = $item['dc']['date'];
                                        $atom_date = $item['issued'];
                                        if (!$atom_date) $atom_date = $item['updated'];
-                       
+
                                        if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
                                        if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
                                        if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
+
                                }
 
                                if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 //                                     error_reporting(0);
 
                                        $article_filters = get_article_filters($filters, $entry_title, 
-                                                       $entry_content, $entry_link, $entry_timestamp);
+                                                       $entry_content, $entry_link, $entry_timestamp, $entry_author);
 
                                        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                                                _debug("update_rss_feed: article filters: ");
 
                                # check for manual tags
 
-                               $tag_filter = find_article_filter($article_filters, "tag"); 
+                               foreach ($article_filters as $f) {
+                                       if ($f[0] == "tag") {
 
-                               if ($tag_filter) {
+                                               $manual_tags = trim_array(split(",", $f[1]));
 
-                                       $manual_tags = trim_array(split(",", $tag_filter[1]));
-
-                                       foreach ($manual_tags as $tag) {
-                                               if (tag_is_valid($tag)) {
-                                                       array_push($entry_tags, $tag);
+                                               foreach ($manual_tags as $tag) {
+                                                       if (tag_is_valid($tag)) {
+                                                               array_push($entry_tags, $tag);
+                                                       }
                                                }
                                        }
                                }
                                catchup_feed($link, $feed, false, $owner_uid);
                        }
 
-                       if (!$hidden) {
-                               if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
-                                       _debug("update_rss_feed: updating counters cache...");
-                               }
-
-                               // disabled, purge_feed() does that...
-                               //ccache_update($link, $feed, $owner_uid);
-                       }
-
                        purge_feed($link, $feed, 0);
 
                        db_query($link, "UPDATE ttrss_feeds 
                print "</select>";
        }
 
-       function get_article_filters($filters, $title, $content, $link, $timestamp) {
+       function get_article_filters($filters, $title, $content, $link, $timestamp, $author) {
                $matches = array();
 
                if ($filters["title"]) {
                        }
                } 
 
+               if ($filters["author"]) {
+                       foreach ($filters["author"] as $filter) {
+                               $reg_exp = $filter["reg_exp"];          
+                               $inverse = $filter["inverse"];  
+                               if ((!$inverse && preg_match("/$reg_exp/i", $author)) || 
+                                               ($inverse && !preg_match("/$reg_exp/i", $author))) {
+
+                                       array_push($matches, array($filter["action"], $filter["action_param"]));
+                               }
+                       }
+               }
+
                return $matches;
        }
 
 
                if (!$icon_file) $icon_file = getFeedIcon($feed_id);
 
+               if (strpos($icon_file, "images") !== false) {
+                       $icon_file = theme_image($link, $icon_file);
+               }
+
                if (file_exists($icon_file) && filesize($icon_file) > 0) {
                                $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
                } else {
                        $link_title = "Updated: $last_updated";
                }
 
-               $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\" 
-                       href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
+               $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
+                       onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
 
 /*             if ($feed_id < -10) {
                        $bg_color = "#00ccff";
                }
        }
 
-       function initialize_user_prefs($link, $uid) {
+       function initialize_user_prefs($link, $uid, $profile = false) {
 
                $uid = db_escape_string($uid);
 
+               if (!$profile) {
+                       $profile = "NULL";
+                       $profile_qpart = "AND profile IS NULL";
+               } else {
+                       $profile_qpart = "AND profile = '$profile'";
+               }
+
+               if (get_schema_version($link) < 63) $profile_qpart = "";
+
                db_query($link, "BEGIN");
 
                $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
                
                $u_result = db_query($link, "SELECT pref_name 
-                       FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
+                       FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 
                $active_prefs = array();
 
                        if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 //                             print "adding " . $line["pref_name"] . "<br>";
 
-                               db_query($link, "INSERT INTO ttrss_user_prefs
-                                       (owner_uid,pref_name,value) VALUES 
-                                       ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
+                               if (get_schema_version($link) < 63) {
+                                       db_query($link, "INSERT INTO ttrss_user_prefs
+                                               (owner_uid,pref_name,value) VALUES 
+                                               ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
+
+                               } else {
+                                       db_query($link, "INSERT INTO ttrss_user_prefs
+                                               (owner_uid,pref_name,value, profile) VALUES 
+                                               ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
+                               }
 
                        }
                }
                                db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
                                        $_SESSION["uid"]);
        
-                               $user_theme = get_user_theme_path($link);
-       
-                               $_SESSION["theme"] = $user_theme;
                                $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
                                $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
        
                        $_SESSION["uid"] = 1;
                        $_SESSION["name"] = "admin";
 
-                       $user_theme = get_user_theme_path($link);
-       
-                       $_SESSION["theme"] = $user_theme;
                        $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
        
                        initialize_user_prefs($link, $_SESSION["uid"]);
                        }
                }
 
+               if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
+                       return false;
+               }
+
                if ($_SESSION["uid"]) {
 
                        $result = db_query($link, 
        function login_sequence($link, $mobile = false) {
                if (!SINGLE_USER_MODE) {
 
-                       if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
-                               $swu = db_escape_string($_REQUEST["swu"]);
-                               if ($swu) {
-                                       $_SESSION["prefs_cache"] = false;
-                                       return authenticate_user($link, $swu, null, true);
-                               }
-                       }
-
                        $login_action = $_POST["login_action"];
 
                        # try to authenticate user if called from login form                    
                                        $_POST["password"] = "";
 
                                        $_SESSION["language"] = $_POST["language"];
+                                       $_SESSION["ref_schema_version"] = get_schema_version($link, true);
                                        $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
 
+                                       if ($_POST["profile"]) {
+
+                                               $profile = db_escape_string($_POST["profile"]);
+
+                                               $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
+                                                       WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
+
+                                               if (db_num_rows($result) != 0) {
+                                                       $_SESSION["profile"] = $profile;
+                                                       $_SESSION["prefs_cache"] = array();
+                                               }
+                                       }
+
                                        header("Location: " . $_SERVER["REQUEST_URI"]);
                                        exit;
 
                }
        }
 
+       function theme_image($link, $filename) {
+               if ($link) {
+                       $theme_path = get_user_theme_path($link);
+
+                       if ($theme_path && is_file($theme_path.$filename)) {
+                               return $theme_path.$filename;
+                       } else {
+                               return $filename;
+                       }
+               } else {
+                       return $filename;
+               }
+       }
+
+       function get_user_theme($link) {
+
+               if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
+                       $theme_name = get_pref($link, "_THEME_ID");
+                       if (is_dir("themes/$theme_name")) {
+                               return $theme_name;
+                       } else {
+                               return '';
+                       }
+               } else {
+                       return '';
+               }
+
+       }
+
        function get_user_theme_path($link) {
-               $result = db_query($link, "SELECT theme_path 
-                       FROM 
-                               ttrss_themes,ttrss_users
-                       WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
-               if (db_num_rows($result) != 0) {
-                       return db_fetch_result($result, 0, "theme_path");
+
+               if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
+                       $theme_name = get_pref($link, "_THEME_ID");
+
+                       if ($theme_name && is_dir("themes/$theme_name")) {
+                               $theme_path = "themes/$theme_name/";
+                       } else {
+                               $theme_name = '';
+                       }
                } else {
-                       return null;
+                       $theme_path = '';
                }
+
+               return $theme_path;
+       }
+
+       function get_user_theme_options($link) {
+               $t = get_user_theme_path($link);
+
+               if ($t) {
+                       if (is_file("$t/theme.ini")) {
+                               $ini = parse_ini_file("$t/theme.ini", true);
+                               if ($ini['theme']['version']) {
+                                       return $ini['theme']['options'];
+                               }
+                       }
+               }
+               return false;
+       }
+
+
+       function get_all_themes() {
+               $themes = glob("themes/*");
+
+               asort($themes);
+
+               $rv = array();
+
+               foreach ($themes as $t) {
+                       if (is_file("$t/theme.ini")) {
+                               $ini = parse_ini_file("$t/theme.ini", true);
+                               if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
+                                       $entry = array();
+                                       $entry["path"] = $t;
+                                       $entry["base"] = basename($t);
+                                       $entry["name"] = $ini['theme']['name'];
+                                       $entry["version"] = $ini['theme']['version'];
+                                       $entry["author"] = $ini['theme']['author'];
+                                       $entry["options"] = $ini['theme']['options'];
+                                       array_push($rv, $entry);
+                               }
+                       }
+               }
+
+               return $rv;
        }
 
        function smart_date_time($timestamp) {
                        return "even";
        }
 
+       function get_schema_version($link, $nocache = false) {
+               if (!$_SESSION["schema_version"] || $nocache) {
+                       $result = db_query($link, "SELECT schema_version FROM ttrss_version");
+                       $version = db_fetch_result($result, 0, "schema_version");
+                       $_SESSION["schema_version"] = $version;
+                       return $version;
+               } else {
+                       return $_SESSION["schema_version"];
+               }
+       }
+
        function sanity_check($link) {
 
                error_reporting(0);
 
                $error_code = 0;
-               $result = db_query($link, "SELECT schema_version FROM ttrss_version");
-               $schema_version = db_fetch_result($result, 0, "schema_version");
+               $schema_version = get_schema_version($link);
 
                if ($schema_version != SCHEMA_VERSION) {
                        $error_code = 5;
        function make_lockfile($filename) {
                $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
 
-               if (flock($fp, LOCK_EX | LOCK_NB)) {            
+               if (flock($fp, LOCK_EX | LOCK_NB)) {
+                       if (function_exists('posix_getpid')) {
+                               fwrite($fp, posix_getpid() . "\n");
+                       }
                        return $fp;
                } else {
                        return false;
                                        $cat_qpart = "cat_id IS NULL";
                                }
                                
-                               $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
+                               $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
                                        WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
 
                                while ($tmp_line = db_fetch_assoc($tmp_result)) {                                       
-                                       $feed_url = $tmp_line["feed_url"];
                                        $feed_id = $tmp_line["id"];
-                                       update_rss_feed($link, $feed_url, $feed_id, $force_update);
+                                       update_rss_feed($link, $feed_id, $force_update);
                                }
 
                        } else {
-                               $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
-                                       WHERE id = '$feed'");
-                               $feed_url = db_fetch_result($tmp_result, 0, "feed_url");                                
-                               update_rss_feed($link, $feed_url, $feed, $force_update);
+                               update_rss_feed($link, $feed, $force_update);
                        }
        }
 
                getVirtCounters($link);
 
                if (strchr($omode, "l")) getLabelCounters($link);
-               if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
+               if (strchr($omode, "f")) getFeedCounters($link, $active_feed);
                if (strchr($omode, "t")) getTagCounters($link);
                if (strchr($omode, "c")) {                      
                        if (get_pref($link, 'ENABLE_FEED_CATS')) {
                        $age_qpart = getMaxAgeSubquery();
 
                        $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query 
-                                       AND hidden = false
                                        AND owner_uid = " . $owner_uid);
        
                        $cat_feeds = array();
                                        ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
                                WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
                                        ttrss_labels2.owner_uid = '$owner_uid'
-                                       AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
+                                       AND unread = true AND feed_id = ttrss_feeds.id
                                        AND ttrss_user_entries.owner_uid = '$owner_uid'");
 
                        $unread = db_fetch_result($result, 0, "unread");
                                ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
                        WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
                                ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
-                               AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
+                               AND unread = true AND feed_id = ttrss_feeds.id
                                AND ttrss_user_entries.owner_uid = '$owner_uid'");
 
                if (db_num_rows($result) != 0) {
                        return getCategoryUnread($link, $n_feed, $owner_uid);           
                } if ($feed != "0" && $n_feed == 0) {
 
+                       $feed = db_escape_string($feed);
+
                        $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
                                FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
                                        AND ref_id = id AND $age_qpart
 
                        $result = db_query($link, "SELECT id FROM ttrss_feeds 
                                        WHERE parent_feed = '$n_feed'
-                                       AND hidden = false
                                        AND owner_uid = " . $owner_uid);
 
                        if (db_num_rows($result) > 0) {
 
                        if ($n_feed != 0) {
                                $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
-                               $feeds_qpart = "ttrss_feeds.hidden = false AND
-                                       ttrss_user_entries.feed_id = ttrss_feeds.id AND";
+                               $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
                        } else {
                                $from_qpart = "ttrss_user_entries,ttrss_entries";
                        }
                return db_fetch_result($result, 0, "fn");
        }
 
-       function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
-
-               if ($smart_mode) {
-                       if (!$_SESSION["tctr_last_value"]) {
-                               $_SESSION["tctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["tctr_last_value"];
-
-               $tctrs_modified = false;
+       function getTagCounters($link) {
 
                $age_qpart = getMaxAgeSubquery();
 
 
                foreach (array_keys($tags) as $tag) {
                        $unread = $tags[$tag];                  
-
                        $tag = htmlspecialchars($tag);
-
-                       if (!$smart_mode || $old_counters[$tag] != $unread) {                   
-                               $old_counters[$tag] = $unread;
-                               $tctrs_modified = true;
-                               print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
-                       }
-
+                       print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
                } 
-
-               if ($smart_mode && $tctrs_modified) {
-                       $_SESSION["tctr_last_value"] = $old_counters;
-               }
-
        }
 
-       function getVirtCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
+       function getVirtCounters($link, $ret_mode = false) {
 
                $ret_arr = array();
 
                return $ret_arr;
        }
 
-       function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
+       function getLabelCounters($link, $ret_mode = false) {
 
                $age_qpart = getMaxAgeSubquery();
 
-               if ($smart_mode) {
-                       if (!$_SESSION["lctr_last_value"]) {
-                               $_SESSION["lctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["lctr_last_value"];
-               $lctrs_modified = false;
+               $owner_uid = $_SESSION["uid"];
 
+               $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
+                       WHERE owner_uid = '$owner_uid'");
+       
+               while ($line = db_fetch_assoc($result)) {
 
-                       $owner_uid = $_SESSION["uid"];
+                       $id = -$line["id"] - 11;
 
-                       $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
-                               WHERE owner_uid = '$owner_uid'");
-               
-                       while ($line = db_fetch_assoc($result)) {
-       
-                               $id = -$line["id"] - 11;
+                       $label_name = $line["caption"];
+                       $count = getFeedUnread($link, $id);
        
-                               $label_name = $line["caption"];
-                               $count = getFeedUnread($link, $id);
-               
-                               if (!$smart_mode || $old_counters[$id] != $count) {     
-                                       $old_counters[$id] = $count;
-                                       $lctrs_modified = true;
-                                       if (!$ret_mode) {
-       
-                                               if (get_pref($link, 'EXTENDED_FEEDLIST')) {
-                                                       $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
-                                               } else {
-                                                       $xmsg_part = "";
-                                               }
-       
-                                               print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
-                                       } else {
-                                               $ret_arr[$id]["counter"] = $count;
-                                               $ret_arr[$id]["description"] = $label_name;
-                                       }
+                       if (!$ret_mode) {
+
+                               if (get_pref($link, 'EXTENDED_FEEDLIST')) {
+                                       $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
+                               } else {
+                                       $xmsg_part = "";
                                }
-       
-                               error_reporting (DEFAULT_ERROR_LEVEL);
-                       }
 
-               if ($smart_mode && $lctrs_modified) {
-                       $_SESSION["lctr_last_value"] = $old_counters;
-               }
+                               print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
 
+                       } else {
+                               $ret_arr[$id]["counter"] = $count;
+                               $ret_arr[$id]["description"] = $label_name;
+                       }
+               }
+       
                return $ret_arr;
        }
 
-       function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
+       function getFeedCounters($link, $active_feed = false) {
 
                $age_qpart = getMaxAgeSubquery();
 
-               if ($smart_mode) {
-                       if (!$_SESSION["fctr_last_value"]) {
-                               $_SESSION["fctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["fctr_last_value"];
-
                $query = "SELECT ttrss_feeds.id,
                                ttrss_feeds.title,
                                ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated, 
 
                        $count += db_fetch_result($tmp_result, 0, "unread");
 
-                       if (!$smart_mode || $old_counters[$id] != $count) {
-                               $old_counters[$id] = $count;
-                               $fctrs_modified = true;
-
-                               if ($last_error) {
-                                       $error_part = "error=\"$last_error\"";
-                               } else {
-                                       $error_part = "";
-                               }
-
-                               if ($has_img) {
-                                       $has_img_part = "hi=\"$has_img\"";
-                               } else {
-                                       $has_img_part = "";
-                               }                               
+                       if ($last_error) {
+                               $error_part = "error=\"$last_error\"";
+                       } else {
+                               $error_part = "";
+                       }
 
-                               if ($active_feed && $id == $active_feed) {
-                                       $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
-                               } else {
-                                       $has_title_part = "";
-                               }
+                       if ($has_img) {
+                               $has_img_part = "hi=\"$has_img\"";
+                       } else {
+                               $has_img_part = "";
+                       }                               
 
-                               if (get_pref($link, 'EXTENDED_FEEDLIST')) {
-                                       $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
-                               }
+                       if ($active_feed && $id == $active_feed) {
+                               $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
+                       } else {
+                               $has_title_part = "";
+                       }
 
-                               print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
+                       if (get_pref($link, 'EXTENDED_FEEDLIST')) {
+                               $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
                        }
-               }
 
-               if ($smart_mode && $fctrs_modified) {
-                       $_SESSION["fctr_last_value"] = $old_counters;
+                       print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
                }
        }
 
                print "</rpc-reply>";
        }
 
-       function subscribe_to_feed($link, $feed_link, $cat_id = 0, 
+       function subscribe_to_feed($link, $url, $cat_id = 0, 
                        $auth_login = '', $auth_pass = '') {
 
-               # check for feed:http://url
-               $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
+               $parts = parse_url($url);
 
-               # check for feed://URL
-               if (strpos($feed_link, "//") === 0) {
-                       $feed_link = "http:$feed_link";
-               }
+               if (!validate_feed_url($url)) return 2;
 
-               if ($feed_link == "") return;
+               if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
+
+               $url = make_url_from_parts($parts);
 
                if ($cat_id == "0" || !$cat_id) {
                        $cat_qpart = "NULL";
        
                $result = db_query($link,
                        "SELECT id FROM ttrss_feeds 
-                       WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
+                       WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
        
                if (db_num_rows($result) == 0) {
                        
                        $result = db_query($link,
                                "INSERT INTO ttrss_feeds 
                                        (owner_uid,feed_url,title,cat_id, auth_login,auth_pass) 
-                               VALUES ('".$_SESSION["uid"]."', '$feed_link', 
+                               VALUES ('".$_SESSION["uid"]."', '$url', 
                                '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
        
                        $result = db_query($link,
-                               "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link
+                               "SELECT id FROM ttrss_feeds WHERE feed_url = '$url
                                        AND owner_uid = " . $_SESSION["uid"]);
        
                        $feed_id = db_fetch_result($result, 0, "id");
        
                        if ($feed_id) {
-                               update_rss_feed($link, $feed_link, $feed_id, true);
+                               update_rss_feed($link, $feed_id, true);
                        }
 
-                       return true;
+                       return 1;
                } else {
-                       return false;
+                       return 0;
                }
        }
 
                        return "images/mark_set.png";
                        break;
                case -2:
-                       return "images/pub_set.gif";
+                       return "images/pub_set.png";
                        break;
                case -3:
                        return "images/fresh.png";
                        return __("Fresh articles");
                } else if ($id == -4) {
                        return __("All articles");
-               } else if ($id == 0) {
+               } else if ($id === 0 || $id === "0") {
                        return __("Archived articles");
                } else if ($id < -10) {
                        $label_id = -$id - 11;
                        }
                }
 
-               print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
+               print "<param key=\"theme\" value=\"".get_user_theme($link)."\"/>";
+               print "<param key=\"theme_options\" value=\"".get_user_theme_options($link)."\"/>";
                print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
                print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
                print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
 
+               print "<param key=\"sign_progress\" value=\"".
+                       theme_image($link, "images/indicator_white.gif")."\"/>";
+
+               print "<param key=\"sign_progress_tiny\" value=\"".
+                       theme_image($link, "images/indicator_tiny.gif")."\"/>";
+
+               print "<param key=\"sign_excl\" value=\"".
+                       theme_image($link, "images/sign_excl.png")."\"/>";
+
+               print "<param key=\"sign_info\" value=\"".
+                       theme_image($link, "images/sign_info.png")."\"/>";
+
                print "<param key=\"on_catchup_show_next_feed\" value=\"" . 
                        get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
 
                if ($match_on == "both") {
 
                        foreach ($keywords as $k) {
-                               array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
-                                       OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
+                               if (strpos($k, "-") === 0) {
+                                       $k = substr($k, 1);
+                                       $not = "NOT";
+                               } else {
+                                       $not = "";
+                               }
+
+                               array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
+                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
                        }
 
                        $search_query_part = implode("AND", $query_keywords) . " AND ";
                } else if ($match_on == "title") {
 
                        foreach ($keywords as $k) {
-                               array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
+                               if (strpos($k, "-") === 0) {
+                                       $k = substr($k, 1);
+                                       $not = "NOT";
+                               } else {
+                                       $not = "";
+                               }
+
+                               array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
                        }
 
                        $search_query_part = implode("AND", $query_keywords) . " AND ";
                } else if ($match_on == "content") {
 
                        foreach ($keywords as $k) {
-                               array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
+                               if (strpos($k, "-") === 0) {
+                                       $k = substr($k, 1);
+                                       $not = "NOT";
+                               } else {
+                                       $not = "";
+                               }
+
+                               array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
                        }
                }
 
 
                                if ($feed != "0") {
                                        $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
-                                       $feed_check_qpart = "ttrss_feeds.hidden = false AND 
-                                               ttrss_user_entries.feed_id = ttrss_feeds.id AND";
+                                       $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
 
                                } else {
                                        $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
 
                        $rfc822_date = date('r', strtotime($line["updated"]));
   
-                       print "<pubDate>$rfc822_date</pubDate>";
+                       print "<pubDate>$rfc822_date</pubDate>";
+
+                       if ($line["author"]) {
+                               print "<author>" . htmlspecialchars($line["author"]) . "</author>";
+                       }
  
                        print "<title>" . 
                                htmlspecialchars($line["title"]) . "</title>";
                }
 
                if (get_pref($link, "STRIP_IMAGES", $owner)) {
-                       
                        $res = preg_replace('/<img[^>]+>/is', '', $res);
+               }
 
+               if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
+                       $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
                }
 
                return $res;
                                ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id 
                                AND include_in_digest = true
                                AND $interval_query
-                               AND hidden = false
                                AND ttrss_user_entries.owner_uid = $user_id
                                AND unread = true 
                        ORDER BY ttrss_feeds.title, date_entered DESC
                }
 
                error_reporting(0);
-               if (ENABLE_SIMPLEPIE) {
+               if (DEFAULT_UPDATE_INTERVAL == "1") {
                        $rss = new SimplePie();
                        $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 //                     $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
 
                if ($rss) {
 
-                       if (ENABLE_SIMPLEPIE) {
+                       if (DEFAULT_UPDATE_METHOD == "1") {
                                $items = $rss->get_items();
                        } else {
                                $items = $rss->items;
 
                        $latest_item = $items[0];
 
-                       if (ENABLE_SIMPLEPIE) {
+                       if (DEFAULT_UPDATE_METHOD == "1") {
                                $last_title = $latest_item->get_title();
                        } else {
                                $last_title = $latest_item["title"];
 
                        $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
 
-                       if (ENABLE_SIMPLEPIE) {
+                       if (DEFAULT_UPDATE_METHOD == "1") {
                                $release_url = sanitize_rss($link, $latest_item->get_link());
                                $content = sanitize_rss($link, $latest_item->get_description());
                        } else {
        function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
 
                if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+               if (count($ids) == 0) return;
 
                $tmp_ids = array();
 
                                print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
                        } else {
                                print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
-                       } 
+                               print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
 
-                       print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
+                       } 
 
                        //print "<li><span class=\"insensitive\">--------</span></li>";
                        print "<li class=\"insensitive\">".__('Assign label:')."</li>";
                                        ON
                                                (ttrss_feeds.id = feed_id)
                                WHERE 
-                                       ttrss_feeds.hidden = false AND
                                        ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
                                ORDER BY $order_by_qpart"; 
 
 
        function get_article_tags($link, $id, $owner_uid = 0) {
 
+               global $memcache;
+
                $a_id = db_escape_string($id);
 
                if (!$owner_uid) $owner_uid = $_SESSION["uid"];
 
-               $tmp_result = db_query($link, "SELECT DISTINCT tag_name, 
+               $query = "SELECT DISTINCT tag_name, 
                        owner_uid as owner FROM
                        ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
-                               ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
+                       ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
 
+               $obj_id = md5("TAGS:$owner_uid:$id");
                $tags = array();        
-       
-               while ($tmp_line = db_fetch_assoc($tmp_result)) {
-                       array_push($tags, $tmp_line["tag_name"]);                               
+
+               if ($memcache && $obj = $memcache->get($obj_id)) {
+                       $tags = $obj;
+               } else {
+                       $tmp_result = db_query($link, $query);
+
+                       while ($tmp_line = db_fetch_assoc($tmp_result)) {
+                               array_push($tags, $tmp_line["tag_name"]);                               
+                       }
+
+                       if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
                }
 
                return $tags;
        }
 
        function format_warning($msg, $id = "") {
+               global $link;
                return "<div class=\"warning\" id=\"$id\"> 
-                       <img src=\"images/sign_excl.gif\">$msg</div>";
+                       <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
        }
 
        function format_notice($msg) {
-               return "<div class=\"notice\"> 
-                       <img src=\"images/sign_info.gif\">$msg</div>";
+               global $link;
+               return "<div class=\"notice\" id=\"$id\"> 
+                       <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
        }
 
        function format_error($msg) {
-               return "<div class=\"error\"> 
-                       <img src=\"images/sign_excl.gif\">$msg</div>";
+               global $link;
+               return "<div class=\"error\" id=\"$id\"> 
+                       <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
        }
 
        function print_notice($msg) {
 
                if ($result) {
 
-                       $link_target = "";
-
-                       if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
-                               $link_target = "target=\"_blank\"";
-                       }
-
                        $line = db_fetch_assoc($result);
 
                        if ($line["icon_url"]) {
                                } else {
                                        $comments_url = $line["link"];
                                }
-                               $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
+                               $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
                        } else {
                                if ($line["comments"] && $line["link"] != $line["comments"]) {
-                                       $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
+                                       $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
                                }                               
                        }
 
                        print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
 
                        if ($line["link"]) {
-                               print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" . 
+                               print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" . 
                                        $line["title"] . "</a><span class='author'>$entry_author</span></div>";
                        } else {
                                print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
                        if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
 
                        print "<div style='float : right'>
-                                       <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
+                               <img src='".theme_image($link, 'images/tag.png')."' 
+                               class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
 
                        if (!$zoom_mode) {
                                print "<span id=\"ATSTR-$id\">$tags_str</span>
                                        <a title=\"".__('Edit tags for this article')."\" 
                                        href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
 
-                               if (defined('_ENABLE_INLINE_VIEW')) {
-
-                                       print "<img src=\"images/art-inline.png\" class='tagsPic' 
-                                                       style=\"cursor : pointer\" style=\"cursor : pointer\"
-                                                       onclick=\"showOriginalArticleInline($id)\"
-                                                       alt='Inline' title='".__('Display original article content')."'>";
-
-                               }
-
-                               print "<img src=\"images/art-zoom.png\" class='tagsPic' 
-                                               style=\"cursor : pointer\" style=\"cursor : pointer\"
+                               print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\" 
+                                               class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
                                                onclick=\"zoomToArticle($id)\"
                                                alt='Zoom' title='".__('Show article summary in new window')."'>";
 
                                $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
 
-                               print "<img src=\"images/art-pub-note.png\" class='tagsPic' 
-                                               style=\"cursor : pointer\" style=\"cursor : pointer\"
+                               print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\" 
+                                               class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
                                                onclick=\"publishWithNote($id, '$note_escaped')\"
                                                alt='PubNote' title='".__('Publish article with a note')."'>";
 
 
                        $article_content = sanitize_rss($link, $line["content"]);
 
-                       if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
-                               $article_content = preg_replace("/href=/i", "target=\"_blank\" href=", 
-                                       $article_content);
-                       }
-
                        print "<div id=\"POSTNOTE-$id\">";
                                if ($line['note']) {
                                        print format_article_note($id, $line['note']);
 
                        print $article_content;
 
-                       $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
-                               post_id = '$id' AND content_url != ''");
+//                     $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
+//                             post_id = '$id' AND content_url != ''");
 
-                       if (db_num_rows($result) > 0) {
+                       $result = get_article_enclosures($link, $id);
+
+//                     if (db_num_rows($result) > 0) {
+
+                       if (count($result) > 0) {
 
                                $entries_html = array();
                                $entries = array();
 
-                               while ($line = db_fetch_assoc($result)) {
+                               //while ($line = db_fetch_assoc($result)) {
+                               foreach ($result as $line) {
 
                                        $url = $line["content_url"];
                                        $ctype = $line["content_type"];
                                print "<div class=\"postEnclosures\">";
 
                                if (!get_pref($link, "STRIP_IMAGES")) {
-                                       if ($always_display_enclosures || !preg_match("/<img/i", $article_content)) {
+                                       if ($always_display_enclosures ||
+                                                               !preg_match("/<img/i", $article_content)) {
+                                                                       
                                                foreach ($entries as $entry) {
-                                                       if (preg_match("/image/", $entry["type"])) {
-                                                               print "<p><img 
+
+                                                       if (preg_match("/image/", $entry["type"]) ||
+                                                                       preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
+
+                                                                       print "<p><img
                                                                        alt=\"".htmlspecialchars($entry["filename"])."\"
-                                                                       src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
+                                                                       src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
                                                        }
                                                }
                                        }
                                }
 
-                               print "<div class=\"postEnclosures\">";
-
                                if (db_num_rows($result) == 1) {
                                        print __("Attachment:") . " ";
                                } else {
                } else {
                        print "
                                <div style=\"text-align : center\">
-                               <input type=\"submit\" onclick=\"return window.close()\" 
-                               value=\"".__("Close this window")."\"></div>";
+                               <button onclick=\"return window.close()\">".
+                                       __("Close this window")."</button></div>";
                        print "</body></html>";
 
                }
 
                                if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
        
-                                       $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\" 
+                                       $update_pic = "<img id='FUPDPIC-$id' src=\"".
+                                               theme_image($link, 'images/updated.png')."\" 
                                                alt=\"Updated\">";
                                } else {
                                        $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
                                if (sql_bool_to_bool($line["unread"]) && 
                                        time() - strtotime($line["updated_noms"]) < $fresh_intl) {
 
-                                       $update_pic = "<img id='FUPDPIC-$id' src=\"images/fresh_sign.png\" 
-                                                       alt=\"Fresh\">";
+                                       $update_pic = "<img id='FUPDPIC-$id' src=\"".
+                                               theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
                                }
        
                                if ($line["unread"] == "t" || $line["unread"] == "1") {
                                }
 
                                if ($line["marked"] == "t" || $line["marked"] == "1") {
-                                       $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.png\" 
-                                               class=\"markedPic\"
-                                               alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
+                                       $marked_pic = "<img id=\"FMPIC-$id\" 
+                                               src=\"".theme_image($link, 'images/mark_set.png')."\" 
+                                               class=\"markedPic\" alt=\"Unstar article\" 
+                                               onclick='javascript:tMark($id)'>";
                                } else {
-                                       $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.png\" 
-                                               class=\"markedPic\"
-                                               alt=\"Star article\" onclick='javascript:tMark($id)'>";
+                                       $marked_pic = "<img id=\"FMPIC-$id\" 
+                                               src=\"".theme_image($link, 'images/mark_unset.png')."\" 
+                                               class=\"markedPic\" alt=\"Star article\" 
+                                               onclick='javascript:tMark($id)'>";
                                }
 
                                if ($line["published"] == "t" || $line["published"] == "1") {
-                                       $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\" 
+                                       $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link, 
+                                               'images/pub_set.png')."\" 
                                                class=\"markedPic\"
                                                alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
                                } else {
-                                       $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\" 
+                                       $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
+                                               'images/pub_unset.png')."\" 
                                                class=\"markedPic\"
                                                alt=\"Publish article\" onclick='javascript:tPub($id)'>";
                                }
 
                                $score = $line["score"];
 
-                               $score_pic = get_score_pic($score);
+                               $score_pic = theme_image($link, 
+                                       "images/" . get_score_pic($score));
 
 /*                             $score_title = __("(Click to change)");
                                $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\" 
                                        onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
 
-                               $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\" 
+                               $score_pic = "<img class='hlScorePic' src=\"$score_pic\" 
                                        title=\"$score\">";
 
                                if ($score > 500) {
 
                                        print "</span></div>";
 
-                                       if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
-                                               $line["content_preview"] = preg_replace("/href=/i", 
-                                                       "target=\"_blank\" href=", $line["content_preview"]);
-                                       }
-
                                        if ($show_excerpt) {
                                                print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
                                                        onclick=\"cdmExpandArticle($id)\"
                                $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
 
                                if (!get_pref($link, "STRIP_IMAGES")) {
-                                       if ($always_display_enclosures || !preg_match("/img/i", $article_content)) {
+                                       if ($always_display_enclosures || 
+                                                                       !preg_match("/img/i", $article_content)) {
+
                                                foreach ($entries as $entry) {
-                                                       if (preg_match("/image/", $entry["type"])) {
+                                                       if (preg_match("/image/", $entry["type"]) || 
+                                                               preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
                                                                print "<p><img 
                                                                        alt=\"".htmlspecialchars($entry["filename"])."\"
                                                                        src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
 
                                        $tags_str = format_tags_string(get_article_tags($link, $id), $id);
 
-//                                     print "<img src='images/tag.png' class='markedPic'>";
-
                                        print "<span class='s1'>
-                                               <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
+                                               <img class='tagsPic' src='".theme_image($link,
+                                                       'images/tag.png')."' alt='Tags' title='Tags'>
                                                <span id=\"ATSTR-$id\">$tags_str</span>
                                                <a title=\"".__('Edit tags for this article')."\" 
                                                href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
                }
 
                $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
-               $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
+               $url_path .= "/backend.php?op=publish&key=" . 
+                       get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
+
+               return $url_path;
+       }
+        function opml_publish_url($link){
+               $url_path = "";
+               
+
+               if ($_SERVER['HTTPS'] != "on") {
+                       $url_path = "http://";
+               } else {
+                       $url_path = "https://";
+               }
+
+               $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
+               $url_path .= "/opml.php?op=publish&key=" . 
+                       get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
 
                return $url_path;
        }
 
                        if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
 
-                       // We setup a alarm to alert if the feed take more than 300s to update.
-                       // => HANG alarm.
-                       if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
-                       update_rss_feed($link, $line["feed_url"], $line["id"], true);
-                       // Cancel the alarm (the update went well)
-                       if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
+                       update_rss_feed($link, $line["id"], true);
 
                        sleep(1); // prevent flood (FIXME make this an option?)
                }
        function load_filters($link, $feed, $owner_uid, $action_id = false) {
                $filters = array();
 
-               if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
-
-               $result = db_query($link, "SELECT reg_exp,
-                       ttrss_filter_types.name AS name,
-                       ttrss_filter_actions.name AS action,
-                       inverse,
-                       action_param,
-                       filter_param
-                       FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE                                        
-                               enabled = true AND
-                               $ftype_query_part
-                               owner_uid = $owner_uid AND
-                               ttrss_filter_types.id = filter_type AND
-                               ttrss_filter_actions.id = action_id AND
-                               (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
+               global $memcache;
 
-               while ($line = db_fetch_assoc($result)) {
-                       if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
-                               $filter["reg_exp"] = $line["reg_exp"];
-                               $filter["action"] = $line["action"];
-                               $filter["action_param"] = $line["action_param"];
-                               $filter["filter_param"] = $line["filter_param"];
-                               $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
-                       
-                               array_push($filters[$line["name"]], $filter);
-                       }
+               $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
+
+               if ($memcache && $obj = $memcache->get($obj_id)) {
 
-               return $filters;
+                       return $obj;
+
+               } else {
+
+                       if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
+       
+                       $result = db_query($link, "SELECT reg_exp,
+                               ttrss_filter_types.name AS name,
+                               ttrss_filter_actions.name AS action,
+                               inverse,
+                               action_param,
+                               filter_param
+                               FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE                                        
+                                       enabled = true AND
+                                       $ftype_query_part
+                                       owner_uid = $owner_uid AND
+                                       ttrss_filter_types.id = filter_type AND
+                                       ttrss_filter_actions.id = action_id AND
+                                       (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
+       
+                       while ($line = db_fetch_assoc($result)) {
+                               if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
+                                       $filter["reg_exp"] = $line["reg_exp"];
+                                       $filter["action"] = $line["action"];
+                                       $filter["action_param"] = $line["action_param"];
+                                       $filter["filter_param"] = $line["filter_param"];
+                                       $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
+                               
+                                       array_push($filters[$line["name"]], $filter);
+                               }
+
+                       if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
+
+                       return $filters;
+               }
        }
 
        function get_score_pic($score) {
                if ($score > 100) { 
                        return "score_high.png"; 
                } else if ($score > 0) { 
-                       return "score_half_high.png"; 
+                       return "score_half_high.png";
                } else if ($score < -100) {
-                       return "score_low.png"; 
+                       return "score_low.png";
                } else if ($score < 0) {
-                       return "score_half_low.png"; 
+                       return "score_half_low.png";
                } else { 
-                       return "score_neutral.png"; 
+                       return "score_neutral.png";
                }
        }
 
        }
 
        function get_article_labels($link, $id) {
+               global $memcache;
+
                $result = db_query($link, 
                        "SELECT DISTINCT label_id,caption,fg_color,bg_color 
                                FROM ttrss_labels2, ttrss_user_labels2 
                                AND owner_uid = ".$_SESSION["uid"] . "
                        ORDER BY caption");
 
+               $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
+
                $rv = array();
 
-               while ($line = db_fetch_assoc($result)) {
-                       $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
-                               $line["bg_color"]);
-                       array_push($rv, $rk);
+               if ($memcache && $obj = $memcache->get($obj_id)) {
+                       return $obj;
+               } else {
+                       while ($line = db_fetch_assoc($result)) {
+                               $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
+                                       $line["bg_color"]);
+                               array_push($rv, $rk);
+                       }
+                       if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
                }
 
                return $rv;
 
        function label_add_article($link, $id, $label, $owner_uid) {
 
+               global $memcache;
+
+               if ($memcache) {
+                       $obj_id = md5("LABELS:$id:$owner_uid");
+                       $memcache->delete($obj_id);
+               }
+
                $label_id = label_find_id($link, $label, $owner_uid);
 
                if (!$label_id) return;
        }
 
        function label_remove($link, $id, $owner_uid) {
+               global $memcache;
+
+               if ($memcache) {
+                       $obj_id = md5("LABELS:$id:$owner_uid");
+                       $memcache->delete($obj_id);
+               }
 
                db_query($link, "BEGIN");
 
 
                $num_tags = 0;
 
-               if ($_SESSION["theme"] == "3pane") {
+/*             if (get_user_theme($link) == "3pane") {
                        $tag_limit = 3;
                } else {
                        $tag_limit = 6;
-               }
+               } */
+
+               $tag_limit = 6;
 
                $formatted_tags = array();
 
                                WHERE id = '$id'");
                        }
 
-                       db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL 
-                               WHERE feed_id = '$id' AND 
+                       db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
+                               orig_feed_id = '$id' WHERE feed_id = '$id' AND 
                                        marked = true AND owner_uid = $owner_uid");
 
                        /* remove the feed */
 
                        db_query($link, "COMMIT");
 
-                       if (file_exists(ICONS_DIR . "/$id.ico")) {
+/*                     if (file_exists(ICONS_DIR . "/$id.ico")) {
                                unlink(ICONS_DIR . "/$id.ico");
-                       }
+                       } */
 
                        ccache_remove($link, $id, $owner_uid);
 
                        return 0;
                }
        }
+
+       function make_url_from_parts($parts) {
+               $url = $parts['scheme'] . '://' . $parts['host'];
+
+               if ($parts['path']) $url .= $parts['path'];
+               if ($parts['query']) $url .= '?' . $parts['query'];
+
+               return $url;
+       }
+
+       function validate_feed_url($url) {
+               $parts = parse_url($url);
+
+               return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
+
+       }
+
+       function get_article_enclosures($link, $id) {
+
+               global $memcache;
+
+               $query = "SELECT * FROM ttrss_enclosures 
+                       WHERE post_id = '$id' AND content_url != ''";
+
+               $obj_id = md5("ENCLOSURES:$id");
+
+               $rv = array();
+
+               if ($memcache && $obj = $memcache->get($obj_id)) {
+                       $rv = $obj;
+               } else {
+                       $result = db_query($link, $query);
+
+                       if (db_num_rows($result) > 0) {
+                               while ($line = db_fetch_assoc($result)) {
+                                       array_push($rv, $line);
+                               }
+                               if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
+                       }
+               }
+
+               return $rv;
+       }
+
+       function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
+                       if ($limit) {
+                               $limit_qpart = "LIMIT $limit OFFSET $offset";
+                       } else {
+                               $limit_qpart = "";
+                       }
+
+                       if (!$cat_id) {
+                               $result = db_query($link, "SELECT 
+                                       id, feed_url, cat_id, title, ".
+                                               SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
+                                               FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] . 
+                                               " ORDER BY cat_id, title " . $limit_qpart);
+                       } else {
+                               $result = db_query($link, "SELECT 
+                                       id, feed_url, cat_id, title, ".
+                                               SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
+                                               FROM ttrss_feeds WHERE 
+                                               cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"] . 
+                                               " ORDER BY cat_id, title " . $limit_qpart);
+                       }
+
+                       $feeds = array();
+
+                       while ($line = db_fetch_assoc($result)) {
+
+                               $unread = getFeedUnread($link, $line["id"]);
+
+                               $has_icon = feed_has_icon($line['id']);
+
+                               if ($unread || !$unread_only) {
+
+                                       $row = array(
+                                                       "feed_url" => $line["feed_url"],
+                                                       "title" => $line["title"],
+                                                       "id" => (int)$line["id"],
+                                                       "unread" => (int)$unread,
+                                                       "has_icon" => $has_icon,
+                                                       "cat_id" => (int)$line["cat_id"],
+                                                       "last_updated" => strtotime($line["last_updated"])
+                                               );
+       
+                                       array_push($feeds, $row);
+                               }
+                       }
+
+                       /* Labels */
+
+                       if (!$cat_id || $cat_id == -2) {
+                               $counters = getLabelCounters($link, true);
+
+                               foreach (array_keys($counters) as $id) {
+
+                                       $unread = $counters[$id]["counter"];
+       
+                                       if ($unread || !$unread_only) {
+       
+                                               $row = array(
+                                                               "id" => $id,
+                                                               "title" => $counters[$id]["description"],
+                                                               "unread" => $counters[$id]["counter"],
+                                                               "cat_id" => -2,
+                                                       );
+       
+                                               array_push($feeds, $row);
+                                       }
+                               }
+                       }
+
+                       /* Virtual feeds */
+
+                       if (!$cat_id || $cat_id == -1) {
+                               foreach (array(-1, -2, -3, -4, 0) as $i) {
+                                       $unread = getFeedUnread($link, $i);
+
+                                       if ($unread || !$unread_only) {
+                                               $title = getFeedTitle($link, $i);
+
+                                               $row = array(
+                                                               "id" => $i,
+                                                               "title" => $title,
+                                                               "unread" => $unread,
+                                                               "cat_id" => -1,
+                                                       );
+                                               array_push($feeds, $row);
+                                       }
+
+                               }                       
+                       }
+               return $feeds;
+       }
+
+       function api_get_headlines($link, $feed_id, $limit, $offset,
+                                       $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
+
+                       /* do not rely on params below */
+
+                       $search = db_escape_string($_REQUEST["search"]);
+                       $search_mode = db_escape_string($_REQUEST["search_mode"]);
+                       $match_on = db_escape_string($_REQUEST["match_on"]);
+                       
+                       $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit, 
+                               $view_mode, $is_cat, $search, $search_mode, $match_on,
+                               $order, $offset);
+
+                       $result = $qfh_ret[0];
+                       $feed_title = $qfh_ret[1];
+
+                       $headlines = array();
+
+                       while ($line = db_fetch_assoc($result)) {
+                               $is_updated = ($line["last_read"] == "" && 
+                                       ($line["unread"] != "t" && $line["unread"] != "1"));
+
+                               $headline_row = array(
+                                               "id" => (int)$line["id"],
+                                               "unread" => sql_bool_to_bool($line["unread"]),
+                                               "marked" => sql_bool_to_bool($line["marked"]),
+                                               "updated" => strtotime($line["updated"]),
+                                               "is_updated" => $is_updated,
+                                               "title" => $line["title"],
+                                               "link" => $line["link"],
+                                               "feed_id" => $line["feed_id"],
+                                               "has_icon" => feed_has_icon($line["feed_id"])
+                                       );
+
+                               if ($show_excerpt) {
+                                       $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
+                                       $headline_row["excerpt"] = $excerpt;
+                               }
+
+                               if ($show_content) {
+                                       $headline_row["content"] = $line["content_preview"];
+                               }
+
+                               array_push($headlines, $headline_row);
+                       }
+
+                       return $headlines;
+       }
+
 ?>