function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false)
{
    $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
    _debug("start", $debug_enabled);
    $result = db_query("SELECT id,update_interval,auth_login,\n\t\t\tfeed_url,auth_pass,cache_images,last_updated,\n\t\t\tmark_unread_on_update, owner_uid,\n\t\t\tpubsub_state, auth_pass_encrypted,\n\t\t\t(SELECT max(date_entered) FROM\n\t\t\t\tttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '{$feed}') AS last_article_timestamp\n\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    if (db_num_rows($result) == 0) {
        _debug("feed {$feed} NOT FOUND/SKIPPED", $debug_enabled);
        return false;
    }
    $last_updated = db_fetch_result($result, 0, "last_updated");
    $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
    if (defined('_DISABLE_HTTP_304')) {
        $last_article_timestamp = 0;
    }
    $owner_uid = db_fetch_result($result, 0, "owner_uid");
    $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
    $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
    $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, 0, "auth_pass_encrypted"));
    db_query("UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($result, 0, "auth_login");
    $auth_pass = db_fetch_result($result, 0, "auth_pass");
    if ($auth_pass_encrypted) {
        require_once "crypt.php";
        $auth_pass = decrypt_string($auth_pass);
    }
    $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
    $fetch_url = db_fetch_result($result, 0, "feed_url");
    $feed = db_escape_string($feed);
    $date_feed_processed = date('Y-m-d H:i');
    $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml";
    $pluginhost = new PluginHost();
    $pluginhost->set_debug($debug_enabled);
    $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
    $pluginhost->load(PLUGINS, PluginHost::KIND_ALL);
    $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
    $pluginhost->load_data();
    $rss = false;
    $rss_hash = false;
    $force_refetch = isset($_REQUEST["force_refetch"]);
    if (file_exists($cache_filename) && is_readable($cache_filename) && !$auth_login && !$auth_pass && filemtime($cache_filename) > time() - 30) {
        _debug("using local cache.", $debug_enabled);
        @($feed_data = file_get_contents($cache_filename));
        if ($feed_data) {
            $rss_hash = sha1($feed_data);
        }
    } else {
        _debug("local cache will not be used for this feed", $debug_enabled);
    }
    if (!$rss) {
        foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) {
            $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed);
        }
        if (!$feed_data) {
            _debug("fetching [{$fetch_url}]...", $debug_enabled);
            _debug("If-Modified-Since: " . gmdate('D, d M Y H:i:s \\G\\M\\T', $last_article_timestamp), $debug_enabled);
            $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, $force_refetch ? 0 : $last_article_timestamp);
            global $fetch_curl_used;
            if (!$fetch_curl_used) {
                $tmp = @gzdecode($feed_data);
                if ($tmp) {
                    $feed_data = $tmp;
                }
            }
            $feed_data = trim($feed_data);
            _debug("fetch done.", $debug_enabled);
            /* if ($feed_data) {
            					$error = verify_feed_xml($feed_data);
            
            					if ($error) {
            						_debug("error verifying XML, code: " . $error->code, $debug_enabled);
            
            						if ($error->code == 26) {
            							_debug("got error 26, trying to decode entities...", $debug_enabled);
            
            							$feed_data = html_entity_decode($feed_data, ENT_COMPAT, 'UTF-8');
            
            							$error = verify_feed_xml($feed_data);
            
            							if ($error) $feed_data = '';
            						}
            					}
            				} */
        }
        if (!$feed_data) {
            global $fetch_last_error;
            global $fetch_last_error_code;
            _debug("unable to fetch: {$fetch_last_error} [{$fetch_last_error_code}]", $debug_enabled);
            $error_escaped = '';
            // If-Modified-Since
            if ($fetch_last_error_code != 304) {
                $error_escaped = db_escape_string($fetch_last_error);
            } else {
                _debug("source claims data not modified, nothing to do.", $debug_enabled);
            }
            db_query("UPDATE ttrss_feeds SET last_error = '{$error_escaped}',\n\t\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
            return;
        }
    }
    foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) {
        $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed);
    }
    // set last update to now so if anything *simplepie* crashes later we won't be
    // continuously failing on the same feed
    //db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
    if (!$rss) {
        $rss = new FeedParser($feed_data);
        $rss->init();
    }
    //		print_r($rss);
    $feed = db_escape_string($feed);
    if (!$rss->error()) {
        // cache data for later
        if (!$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
            $new_rss_hash = sha1($rss_data);
            if ($new_rss_hash != $rss_hash && count($rss->get_items()) > 0) {
                _debug("saving {$cache_filename}", $debug_enabled);
                @file_put_contents($cache_filename, $feed_data);
            }
        }
        // We use local pluginhost here because we need to load different per-user feed plugins
        $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
        _debug("processing feed data...", $debug_enabled);
        //			db_query("BEGIN");
        if (DB_TYPE == "pgsql") {
            $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
        } else {
            $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
        }
        $result = db_query("SELECT title,site_url,owner_uid,favicon_avg_color,\n\t\t\t\t(favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n\t\t\t\t\t\tfavicon_needs_check\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $registered_title = db_fetch_result($result, 0, "title");
        $orig_site_url = db_fetch_result($result, 0, "site_url");
        $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check"));
        $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color");
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
        _debug("site_url: {$site_url}", $debug_enabled);
        _debug("feed_title: " . $rss->get_title(), $debug_enabled);
        if ($favicon_needs_check || $force_refetch) {
            /* terrible hack: if we crash on floicon shit here, we won't check
             * the icon avgcolor again (unless the icon got updated) */
            $favicon_file = ICONS_DIR . "/{$feed}.ico";
            $favicon_modified = @filemtime($favicon_file);
            _debug("checking favicon...", $debug_enabled);
            check_feed_favicon($site_url, $feed);
            $favicon_modified_new = @filemtime($favicon_file);
            if ($favicon_modified_new > $favicon_modified) {
                $favicon_avg_color = '';
            }
            if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') {
                require_once "colors.php";
                db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE\n\t\t\t\t\t\t\tid = '{$feed}'");
                $favicon_color = db_escape_string(calculate_avg_color($favicon_file));
                $favicon_colorstring = ",favicon_avg_color = '" . $favicon_color . "'";
            } else {
                if ($favicon_avg_color == 'fail') {
                    _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
                }
            }
            db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n\t\t\t\t\t{$favicon_colorstring}\n\t\t\t\t\tWHERE id = '{$feed}'");
        }
        if (!$registered_title || $registered_title == "[Unknown]") {
            $feed_title = db_escape_string($rss->get_title());
            if ($feed_title) {
                _debug("registering title: {$feed_title}", $debug_enabled);
                db_query("UPDATE ttrss_feeds SET\n\t\t\t\t\t\ttitle = '{$feed_title}' WHERE id = '{$feed}'");
            }
        }
        if ($site_url && $orig_site_url != $site_url) {
            db_query("UPDATE ttrss_feeds SET\n\t\t\t\t\tsite_url = '{$site_url}' WHERE id = '{$feed}'");
        }
        _debug("loading filters & labels...", $debug_enabled);
        $filters = load_filters($feed, $owner_uid);
        $labels = get_all_labels($owner_uid);
        _debug("" . count($filters) . " filters loaded.", $debug_enabled);
        $items = $rss->get_items();
        if (!is_array($items)) {
            _debug("no articles found.", $debug_enabled);
            db_query("UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            _debug("checking for PUSH hub...", $debug_enabled);
            $feed_hub_url = false;
            $links = $rss->get_links('hub');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_hub_url = $l;
                    break;
                }
            }
            _debug("feed hub url: {$feed_hub_url}", $debug_enabled);
            if ($feed_hub_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($fetch_url);
                _debug("feed hub url found, subscribe request sent.", $debug_enabled);
                db_query("UPDATE ttrss_feeds SET pubsub_state = 1\n\t\t\t\t\t\tWHERE id = '{$feed}'");
            }
        }
        _debug("processing articles...", $debug_enabled);
        foreach ($items as $item) {
            if ($_REQUEST['xdebug'] == 3) {
                print_r($item);
            }
            $entry_guid = $item->get_id();
            if (!$entry_guid) {
                $entry_guid = $item->get_link();
            }
            if (!$entry_guid) {
                $entry_guid = make_guid_from_title($item->get_title());
            }
            _debug("f_guid {$entry_guid}", $debug_enabled);
            if (!$entry_guid) {
                continue;
            }
            $entry_guid = "{$owner_uid},{$entry_guid}";
            $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid));
            _debug("guid {$entry_guid} / {$entry_guid_hashed}", $debug_enabled);
            $entry_timestamp = "";
            $entry_timestamp = $item->get_date();
            _debug("orig date: " . $item->get_date(), $debug_enabled);
            if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) {
                $entry_timestamp = time();
                $no_orig_date = 'true';
            } else {
                $no_orig_date = 'false';
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            _debug("date {$entry_timestamp} [{$entry_timestamp_fmt}]", $debug_enabled);
            //				$entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8');
            //				$entry_title = decode_numeric_entities($entry_title);
            $entry_title = $item->get_title();
            $entry_link = rewrite_relative_url($site_url, $item->get_link());
            _debug("title {$entry_title}", $debug_enabled);
            _debug("link {$entry_link}", $debug_enabled);
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_content = $item->get_content();
            if (!$entry_content) {
                $entry_content = $item->get_description();
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "content: ";
                print $entry_content;
                print "\n";
            }
            $entry_comments = $item->get_comments_url();
            $entry_author = $item->get_author();
            $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
            $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
            $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
            $num_comments = (int) $item->get_comments_count();
            _debug("author {$entry_author}", $debug_enabled);
            _debug("num_comments: {$num_comments}", $debug_enabled);
            _debug("looking for tags...", $debug_enabled);
            // parse <category> entries into tags
            $additional_tags = array();
            $additional_tags_src = $item->get_categories();
            if (is_array($additional_tags_src)) {
                foreach ($additional_tags_src as $tobj) {
                    array_push($additional_tags, $tobj);
                }
            }
            $entry_tags = array_unique($additional_tags);
            for ($i = 0; $i < count($entry_tags); $i++) {
                $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
            }
            _debug("tags found: " . join(",", $entry_tags), $debug_enabled);
            _debug("done collecting data.", $debug_enabled);
            // TODO: less memory-hungry implementation
            _debug("applying plugin filters..", $debug_enabled);
            // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?)
            $result = db_query("SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries\n\t\t\t\t\tWHERE ref_id = id AND (guid = '" . db_escape_string($entry_guid) . "' OR guid = '{$entry_guid_hashed}') AND owner_uid = {$owner_uid}");
            if (db_num_rows($result) != 0) {
                $entry_plugin_data = db_fetch_result($result, 0, "plugin_data");
                $stored_article = array("title" => db_fetch_result($result, 0, "title"), "content" => db_fetch_result($result, 0, "content"), "link" => db_fetch_result($result, 0, "link"), "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")), "author" => db_fetch_result($result, 0, "author"));
            } else {
                $entry_plugin_data = "";
                $stored_article = array();
            }
            $article = array("owner_uid" => $owner_uid, "guid" => $entry_guid, "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "tags" => $entry_tags, "plugin_data" => $entry_plugin_data, "author" => $entry_author, "stored" => $stored_article);
            foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) {
                $article = $plugin->hook_article_filter($article);
            }
            $entry_tags = $article["tags"];
            $entry_guid = db_escape_string($entry_guid);
            $entry_title = db_escape_string($article["title"]);
            $entry_author = db_escape_string($article["author"]);
            $entry_link = db_escape_string($article["link"]);
            $entry_plugin_data = db_escape_string($article["plugin_data"]);
            $entry_content = $article["content"];
            // escaped below
            _debug("plugin data: {$entry_plugin_data}", $debug_enabled);
            if ($cache_images && is_writable(CACHE_DIR . '/images')) {
                cache_images($entry_content, $site_url, $debug_enabled);
            }
            $entry_content = db_escape_string($entry_content, false);
            $content_hash = "SHA1:" . sha1($entry_content);
            db_query("BEGIN");
            $result = db_query("SELECT id FROM\tttrss_entries\n\t\t\t\t\tWHERE (guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}')");
            if (db_num_rows($result) == 0) {
                _debug("base guid [{$entry_guid}] not found", $debug_enabled);
                // base post entry does not exist, create it
                $result = db_query("INSERT INTO ttrss_entries\n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_updated,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tplugin_data,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}',\n\t\t\t\t\t\t\t'{$entry_guid_hashed}',\n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t'{$entry_content}',\n\t\t\t\t\t\t\t'{$content_hash}',\n\t\t\t\t\t\t\t{$no_orig_date},\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\t'{$date_feed_processed}',\n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_plugin_data}',\n\t\t\t\t\t\t\t'{$entry_author}')");
                $article_labels = array();
            } else {
                // we keep encountering the entry in feeds, so we need to
                // update date_updated column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query("UPDATE ttrss_entries SET date_updated = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
                $article_labels = get_article_labels($base_entry_id, $owner_uid);
            }
            // now it should exist, if not - bad luck then
            $result = db_query("SELECT\n\t\t\t\t\t\tid,content_hash,no_orig_date,title,plugin_data,guid,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(date_updated,1,19) as date_updated,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,19) as updated,\n\t\t\t\t\t\tnum_comments\n\t\t\t\t\tFROM\n\t\t\t\t\t\tttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                _debug("base guid found, checking for user record", $debug_enabled);
                // this will be used below in update handler
                $orig_content_hash = db_fetch_result($result, 0, "content_hash");
                $orig_title = db_fetch_result($result, 0, "title");
                $orig_num_comments = db_fetch_result($result, 0, "num_comments");
                $orig_date_updated = strtotime(db_fetch_result($result, 0, "date_updated"));
                $orig_plugin_data = db_fetch_result($result, 0, "plugin_data");
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                /* $stored_guid = db_fetch_result($result, 0, "guid");
                					if ($stored_guid != $entry_guid_hashed) {
                						if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled);
                
                						db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE
                							id = '$ref_id'");
                					} */
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                /* Collect article tags here so we could filter by them: */
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags);
                if ($debug_enabled) {
                    _debug("article filters: ", $debug_enabled);
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query("COMMIT");
                    // close transaction in progress
                    continue;
                }
                $score = calculate_article_score($article_filters);
                _debug("initial score: {$score}", $debug_enabled);
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    _debug("user record not found, creating...", $debug_enabled);
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    // N-grams
                    if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
                        $result = db_query("SELECT COUNT(*) AS similar FROM\n\t\t\t\t\t\t\t\t\tttrss_entries,ttrss_user_entries\n\t\t\t\t\t\t\t\tWHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'\n\t\t\t\t\t\t\t\t\tAND similarity(title, '{$entry_title}') >= " . _NGRAM_TITLE_DUPLICATE_THRESHOLD . "\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                        $ngram_similar = db_fetch_result($result, 0, "similar");
                        _debug("N-gram similar results: {$ngram_similar}", $debug_enabled);
                        if ($ngram_similar > 0) {
                            $unread = 'false';
                        }
                    }
                    $last_marked = $marked == 'true' ? 'NOW()' : 'NULL';
                    $last_published = $published == 'true' ? 'NOW()' : 'NULL';
                    $result = db_query("INSERT INTO ttrss_user_entries\n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked,\n\t\t\t\t\t\t\t\tpublished, score, tag_cache, label_cache, uuid,\n\t\t\t\t\t\t\t\tlast_marked, last_published)\n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '',\n\t\t\t\t\t\t\t\t'', {$last_marked}, {$last_published})");
                    if (PUBSUBHUBBUB_HUB && $published == 'true') {
                        $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key(-2, false, $owner_uid);
                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                        $pubsub_result = $p->publish_update($rss_link);
                    }
                    $result = db_query("SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    _debug("user record FOUND", $debug_enabled);
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                _debug("RID: {$entry_ref_id}, IID: {$entry_int_id}", $debug_enabled);
                $post_needs_update = false;
                $update_insignificant = false;
                if ($orig_num_comments != $num_comments) {
                    $post_needs_update = true;
                    $update_insignificant = true;
                }
                if ($entry_plugin_data != $orig_plugin_data) {
                    $post_needs_update = true;
                    $update_insignificant = true;
                }
                if ($content_hash != $orig_content_hash) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                if (db_escape_string($orig_title) != $entry_title) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                // if post needs update, update it and mark all user entries
                // linking to this post as updated
                if ($post_needs_update) {
                    if (defined('DAEMON_EXTENDED_DEBUG')) {
                        _debug("post {$entry_guid_hashed} needs update...", $debug_enabled);
                    }
                    //						print "<!-- post $orig_title needs update : $post_needs_update -->";
                    db_query("UPDATE ttrss_entries\n\t\t\t\t\t\t\tSET title = '{$entry_title}', content = '{$entry_content}',\n\t\t\t\t\t\t\t\tcontent_hash = '{$content_hash}',\n\t\t\t\t\t\t\t\tupdated = '{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t\tnum_comments = '{$num_comments}',\n\t\t\t\t\t\t\t\tplugin_data = '{$entry_plugin_data}'\n\t\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                    if (!$update_insignificant) {
                        if ($mark_unread_on_update) {
                            db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                        }
                    }
                }
            }
            db_query("COMMIT");
            _debug("assigning labels...", $debug_enabled);
            assign_article_to_label_filters($entry_ref_id, $article_filters, $owner_uid, $article_labels);
            _debug("looking for enclosures...", $debug_enabled);
            // enclosures
            $enclosures = array();
            $encs = $item->get_enclosures();
            if (is_array($encs)) {
                foreach ($encs as $e) {
                    $e_item = array($e->link, $e->type, $e->length);
                    array_push($enclosures, $e_item);
                }
            }
            if ($debug_enabled) {
                _debug("article enclosures:", $debug_enabled);
                print_r($enclosures);
            }
            db_query("BEGIN");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $result = db_query("SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query("INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '', '{$enc_dur}', '{$entry_ref_id}')");
                }
            }
            db_query("COMMIT");
            // check for manual tags (we have to do it here since they're loaded from filters)
            foreach ($article_filters as $f) {
                if ($f["type"] == "tag") {
                    $manual_tags = trim_array(explode(",", $f["param"]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            // Skip boring tags
            $boring_tags = trim_array(explode(",", mb_strtolower(get_pref('BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            $filtered_tags = array();
            $tags_to_cache = array();
            if ($entry_tags && is_array($entry_tags)) {
                foreach ($entry_tags as $tag) {
                    if (array_search($tag, $boring_tags) === false) {
                        array_push($filtered_tags, $tag);
                    }
                }
            }
            $filtered_tags = array_unique($filtered_tags);
            if ($debug_enabled) {
                _debug("filtered article tags:", $debug_enabled);
                print_r($filtered_tags);
            }
            // Save article tags in the database
            if (count($filtered_tags) > 0) {
                db_query("BEGIN");
                foreach ($filtered_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query("SELECT id FROM ttrss_tags\n\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    if ($result && db_num_rows($result) == 0) {
                        db_query("INSERT INTO ttrss_tags\n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                    array_push($tags_to_cache, $tag);
                }
                /* update the cache */
                $tags_to_cache = array_unique($tags_to_cache);
                $tags_str = db_escape_string(join(",", $tags_to_cache));
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                db_query("COMMIT");
            }
            if (get_pref("AUTO_ASSIGN_LABELS", $owner_uid, false)) {
                _debug("auto-assigning labels...", $debug_enabled);
                foreach ($labels as $label) {
                    $caption = preg_quote($label["caption"]);
                    if ($caption && preg_match("/\\b{$caption}\\b/i", "{$tags_str} " . strip_tags($entry_content) . " {$entry_title}")) {
                        if (!labels_contains_caption($article_labels, $caption)) {
                            label_add_article($entry_ref_id, $caption, $owner_uid);
                        }
                    }
                }
            }
            _debug("article processed", $debug_enabled);
        }
        _debug("purging feed...", $debug_enabled);
        purge_feed($feed, 0, $debug_enabled);
        db_query("UPDATE ttrss_feeds\n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query("COMMIT");
    } else {
        $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
        _debug("error fetching feed: {$error_msg}", $debug_enabled);
        db_query("UPDATE ttrss_feeds SET last_error = '{$error_msg}',\n\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
    }
    unset($rss);
    _debug("done", $debug_enabled);
}
Ejemplo n.º 2
0
function update_rss_feed_real($link, $feed, $ignore_daemon = false)
{
    global $memcache;
    if (!$_REQUEST["daemon"] && !$ignore_daemon) {
        return false;
    }
    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
        _debug("update_rss_feed: start");
    }
    if (!$ignore_daemon) {
        if (DB_TYPE == "pgsql") {
            $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
        } else {
            $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
        }
        $result = db_query($link, "SELECT id,update_interval,auth_login,\n\t\t\t\tauth_pass,cache_images,update_method\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}' AND {$updstart_thresh_qpart}");
    } else {
        $result = db_query($link, "SELECT id,update_interval,auth_login,\n\t\t\t\tfeed_url,auth_pass,cache_images,update_method,last_updated\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    }
    if (db_num_rows($result) == 0) {
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: feed {$feed} NOT FOUND/SKIPPED");
        }
        return false;
    }
    $update_method = db_fetch_result($result, 0, "update_method");
    $last_updated = db_fetch_result($result, 0, "last_updated");
    db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($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;
        }
    } else {
        $use_simplepie = ENABLE_SIMPLEPIE;
    }
    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
        _debug("use simplepie: {$use_simplepie} (feed setting: {$update_method})\n");
    }
    if (!$use_simplepie) {
        $auth_login = urlencode($auth_login);
        $auth_pass = urlencode($auth_pass);
    }
    $update_interval = db_fetch_result($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);
    if ($auth_login && $auth_pass) {
        $url_parts = array();
        preg_match("/(^[^:]*):\\/\\/(.*)/", $fetch_url, $url_parts);
        if ($url_parts[1] && $url_parts[2]) {
            $fetch_url = $url_parts[1] . "://{$auth_login}:{$auth_pass}@" . $url_parts[2];
        }
    }
    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
        _debug("update_rss_feed: fetching [{$fetch_url}]...");
    }
    if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
        error_reporting(0);
    }
    $obj_id = md5("FDATA:{$use_simplepie}:{$fetch_url}");
    if ($memcache && ($obj = $memcache->get($obj_id))) {
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: data found in memcache.");
        }
        $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);
            }
            $rss->init();
        }
        if ($memcache && $rss) {
            $memcache->add($obj_id, $rss, 0, 300);
        }
    }
    //		print_r($rss);
    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
        _debug("update_rss_feed: fetch done, parsing...");
    } else {
        error_reporting(DEFAULT_ERROR_LEVEL);
    }
    $feed = db_escape_string($feed);
    if ($use_simplepie) {
        $fetch_ok = !$rss->error();
    } else {
        $fetch_ok = !!$rss;
    }
    if ($fetch_ok) {
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: processing feed data...");
        }
        //			db_query($link, "BEGIN");
        $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $registered_title = db_fetch_result($result, 0, "title");
        $orig_icon_url = db_fetch_result($result, 0, "icon_url");
        $orig_site_url = db_fetch_result($result, 0, "site_url");
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        if ($use_simplepie) {
            $site_url = $rss->get_link();
        } else {
            $site_url = $rss->channel["link"];
        }
        if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: checking favicon...");
            }
            check_feed_favicon($site_url, $feed, $link);
        }
        if (!$registered_title || $registered_title == "[Unknown]") {
            if ($use_simplepie) {
                $feed_title = db_escape_string($rss->get_title());
            } else {
                $feed_title = db_escape_string($rss->channel["title"]);
            }
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: registering title: {$feed_title}");
            }
            db_query($link, "UPDATE ttrss_feeds SET \n\t\t\t\t\ttitle = '{$feed_title}' WHERE id = '{$feed}'");
        }
        // weird, weird Magpie
        if (!$use_simplepie) {
            if (!$site_url) {
                $site_url = db_escape_string($rss->channel["link_"]);
            }
        }
        if ($site_url && $orig_site_url != db_escape_string($site_url)) {
            db_query($link, "UPDATE ttrss_feeds SET \n\t\t\t\t\tsite_url = '{$site_url}' WHERE id = '{$feed}'");
        }
        //			print "I: " . $rss->channel["image"]["url"];
        if (!$use_simplepie) {
            $icon_url = $rss->image["url"];
        } else {
            $icon_url = $rss->get_image_url();
        }
        if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
            $icon_url = db_escape_string($icon_url);
            db_query($link, "UPDATE ttrss_feeds SET icon_url = '{$icon_url}' WHERE id = '{$feed}'");
        }
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: loading filters...");
        }
        $filters = load_filters($link, $feed, $owner_uid);
        if ($use_simplepie) {
            $iterator = $rss->get_items();
        } else {
            $iterator = $rss->items;
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss->entries;
            }
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss;
            }
        }
        if (!is_array($iterator)) {
            /* db_query($link, "UPDATE ttrss_feeds 
            			SET last_error = 'Parse error: can\'t find any articles.'
            			WHERE id = '$feed'"); */
            // clear any errors and mark feed as updated if fetched okay
            // even if it's blank
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: entry iterator is not an array, no articles?");
            }
            db_query($link, "UPDATE ttrss_feeds \n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: processing articles...");
        }
        foreach ($iterator as $item) {
            if ($_REQUEST['xdebug'] == 2) {
                print_r($item);
            }
            if ($use_simplepie) {
                $entry_guid = $item->get_id();
                if (!$entry_guid) {
                    $entry_guid = $item->get_link();
                }
                if (!$entry_guid) {
                    $entry_guid = make_guid_from_title($item->get_title());
                }
            } else {
                $entry_guid = $item["id"];
                if (!$entry_guid) {
                    $entry_guid = $item["guid"];
                }
                if (!$entry_guid) {
                    $entry_guid = $item["link"];
                }
                if (!$entry_guid) {
                    $entry_guid = make_guid_from_title($item["title"]);
                }
            }
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: guid {$entry_guid}");
            }
            if (!$entry_guid) {
                continue;
            }
            $entry_timestamp = "";
            if ($use_simplepie) {
                $entry_timestamp = strtotime($item->get_date());
            } else {
                $rss_2_date = $item['pubdate'];
                $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) {
                $entry_timestamp = time();
                $no_orig_date = 'true';
            } else {
                $no_orig_date = 'false';
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: date {$entry_timestamp} [{$entry_timestamp_fmt}]");
            }
            if ($use_simplepie) {
                $entry_title = $item->get_title();
            } else {
                $entry_title = trim(strip_tags($item["title"]));
            }
            if ($use_simplepie) {
                $entry_link = $item->get_link();
            } else {
                // strange Magpie workaround
                $entry_link = $item["link_"];
                if (!$entry_link) {
                    $entry_link = $item["link"];
                }
            }
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: title {$entry_title}");
            }
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_link = strip_tags($entry_link);
            if ($use_simplepie) {
                $entry_content = $item->get_content();
                if (!$entry_content) {
                    $entry_content = $item->get_description();
                }
            } else {
                $entry_content = $item["content:escaped"];
                if (!$entry_content) {
                    $entry_content = $item["content:encoded"];
                }
                if (!$entry_content) {
                    $entry_content = $item["content"]["encoded"];
                }
                if (!$entry_content) {
                    $entry_content = $item["content"];
                }
                // Magpie bugs are getting ridiculous
                if (trim($entry_content) == "Array") {
                    $entry_content = false;
                }
                if (!$entry_content) {
                    $entry_content = $item["atom_content"];
                }
                if (!$entry_content) {
                    $entry_content = $item["summary"];
                }
                if (!$entry_content || strlen($entry_content) < strlen($item["description"])) {
                    $entry_content = $item["description"];
                }
                // WTF
                if (is_array($entry_content)) {
                    $entry_content = $entry_content["encoded"];
                    if (!$entry_content) {
                        $entry_content = $entry_content["escaped"];
                    }
                }
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "update_rss_feed: content: ";
                print_r(htmlspecialchars($entry_content));
            }
            $entry_content_unescaped = $entry_content;
            if ($use_simplepie) {
                $entry_comments = strip_tags($item->data["comments"]);
                if ($item->get_author()) {
                    $entry_author_item = $item->get_author();
                    $entry_author = $entry_author_item->get_name();
                    if (!$entry_author) {
                        $entry_author = $entry_author_item->get_email();
                    }
                    $entry_author = db_escape_string($entry_author);
                }
            } else {
                $entry_comments = strip_tags($item["comments"]);
                $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
                if ($item['author']) {
                    if (is_array($item['author'])) {
                        if (!$entry_author) {
                            $entry_author = db_escape_string(strip_tags($item['author']['name']));
                        }
                        if (!$entry_author) {
                            $entry_author = db_escape_string(strip_tags($item['author']['email']));
                        }
                    }
                    if (!$entry_author) {
                        $entry_author = db_escape_string(strip_tags($item['author']));
                    }
                }
            }
            if (preg_match('/^[\\t\\n\\r ]*$/', $entry_author)) {
                $entry_author = '';
            }
            $entry_guid = db_escape_string(strip_tags($entry_guid));
            $entry_guid = mb_substr($entry_guid, 0, 250);
            $result = db_query($link, "SELECT id FROM\tttrss_entries \n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            $entry_content = db_escape_string($entry_content);
            $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
            $entry_title = db_escape_string($entry_title);
            $entry_link = db_escape_string($entry_link);
            $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
            $entry_author = mb_substr($entry_author, 0, 250);
            if ($use_simplepie) {
                $num_comments = 0;
                #FIXME#
            } else {
                $num_comments = db_escape_string($item["slash"]["comments"]);
            }
            if (!$num_comments) {
                $num_comments = 0;
            }
            // parse <category> entries into tags
            if ($use_simplepie) {
                $additional_tags = array();
                $additional_tags_src = $item->get_categories();
                if (is_array($additional_tags_src)) {
                    foreach ($additional_tags_src as $tobj) {
                        array_push($additional_tags, $tobj->get_term());
                    }
                }
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: category tags:");
                    print_r($additional_tags);
                }
            } else {
                $t_ctr = $item['category#'];
                $additional_tags = false;
                if ($t_ctr == 0) {
                    $additional_tags = false;
                } else {
                    if ($t_ctr > 0) {
                        $additional_tags = array($item['category']);
                        if ($item['category@term']) {
                            array_push($additional_tags, $item['category@term']);
                        }
                        for ($i = 0; $i <= $t_ctr; $i++) {
                            if ($item["category#{$i}"]) {
                                array_push($additional_tags, $item["category#{$i}"]);
                            }
                            if ($item["category#{$i}@term"]) {
                                array_push($additional_tags, $item["category#{$i}@term"]);
                            }
                        }
                    }
                }
                // parse <dc:subject> elements
                $t_ctr = $item['dc']['subject#'];
                if ($t_ctr > 0) {
                    $additional_tags = array($item['dc']['subject']);
                    for ($i = 0; $i <= $t_ctr; $i++) {
                        if ($item['dc']["subject#{$i}"]) {
                            array_push($additional_tags, $item['dc']["subject#{$i}"]);
                        }
                    }
                }
            }
            // enclosures
            $enclosures = array();
            if ($use_simplepie) {
                $encs = $item->get_enclosures();
                if (is_array($encs)) {
                    foreach ($encs as $e) {
                        $e_item = array($e->link, $e->type, $e->length);
                        array_push($enclosures, $e_item);
                    }
                }
            } else {
                // <enclosure>
                $e_ctr = $item['enclosure#'];
                if ($e_ctr > 0) {
                    $e_item = array($item['enclosure@url'], $item['enclosure@type'], $item['enclosure@length']);
                    array_push($enclosures, $e_item);
                    for ($i = 0; $i <= $e_ctr; $i++) {
                        if ($item["enclosure#{$i}@url"]) {
                            $e_item = array($item["enclosure#{$i}@url"], $item["enclosure#{$i}@type"], $item["enclosure#{$i}@length"]);
                            array_push($enclosures, $e_item);
                        }
                    }
                }
                // <media:content>
                // can there be many of those? yes -fox
                $m_ctr = $item['media']['content#'];
                if ($m_ctr > 0) {
                    $e_item = array($item['media']['content@url'], $item['media']['content@medium'], $item['media']['content@length']);
                    array_push($enclosures, $e_item);
                    for ($i = 0; $i <= $m_ctr; $i++) {
                        if ($item["media"]["content#{$i}@url"]) {
                            $e_item = array($item["media"]["content#{$i}@url"], $item["media"]["content#{$i}@medium"], $item["media"]["content#{$i}@length"]);
                            array_push($enclosures, $e_item);
                        }
                    }
                }
            }
            # sanitize content
            $entry_content = sanitize_article_content($entry_content);
            $entry_title = sanitize_article_content($entry_title);
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: done collecting data [TITLE:{$entry_title}]");
            }
            db_query($link, "BEGIN");
            if (db_num_rows($result) == 0) {
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: base guid not found");
                }
                // base post entry does not exist, create it
                $result = db_query($link, "INSERT INTO ttrss_entries \n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}', \n\t\t\t\t\t\t\t'{$entry_guid}', \n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}', \n\t\t\t\t\t\t\t'{$entry_content}', \n\t\t\t\t\t\t\t'{$content_hash}',\n\t\t\t\t\t\t\t{$no_orig_date}, \n\t\t\t\t\t\t\tNOW(), \n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_author}')");
            } else {
                // we keep encountering the entry in feeds, so we need to
                // update date_entered column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
            }
            // now it should exist, if not - bad luck then
            $result = db_query($link, "SELECT \n\t\t\t\t\t\tid,content_hash,no_orig_date,title,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(date_entered,1,19) as date_entered,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,19) as updated,\n\t\t\t\t\t\tnum_comments\n\t\t\t\t\tFROM \n\t\t\t\t\t\tttrss_entries \n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: base guid found, checking for user record");
                }
                // this will be used below in update handler
                $orig_content_hash = db_fetch_result($result, 0, "content_hash");
                $orig_title = db_fetch_result($result, 0, "title");
                $orig_num_comments = db_fetch_result($result, 0, "num_comments");
                $orig_date_entered = strtotime(db_fetch_result($result, 0, "date_entered"));
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                //					error_reporting(0);
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author);
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: article filters: ");
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query($link, "COMMIT");
                    // close transaction in progress
                    continue;
                }
                //					error_reporting (DEFAULT_ERROR_LEVEL);
                $score = calculate_article_score($article_filters);
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: initial score: {$score}");
                }
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($link, $query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                        _debug("update_rss_feed: user record not found, creating...");
                    }
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    $result = db_query($link, "INSERT INTO ttrss_user_entries \n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked, \n\t\t\t\t\t\t\t\t\tpublished, score) \n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}')");
                    $result = db_query($link, "SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                        _debug("update_rss_feed: user record FOUND");
                    }
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                    _debug("update_rss_feed: RID: {$entry_ref_id}, IID: {$entry_int_id}");
                }
                $post_needs_update = false;
                if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) && $content_hash != $orig_content_hash) {
                    //						print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
                    $post_needs_update = true;
                }
                if (db_escape_string($orig_title) != $entry_title) {
                    $post_needs_update = true;
                }
                if ($orig_num_comments != $num_comments) {
                    $post_needs_update = true;
                }
                //					this doesn't seem to be very reliable
                //
                //					if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
                //						$post_needs_update = true;
                //					}
                // if post needs update, update it and mark all user entries
                // linking to this post as updated
                if ($post_needs_update) {
                    if (defined('DAEMON_EXTENDED_DEBUG')) {
                        _debug("update_rss_feed: post {$entry_guid} needs update...");
                    }
                    //						print "<!-- post $orig_title needs update : $post_needs_update -->";
                    db_query($link, "UPDATE ttrss_entries \n\t\t\t\t\t\t\tSET title = '{$entry_title}', content = '{$entry_content}',\n\t\t\t\t\t\t\t\tcontent_hash = '{$content_hash}',\n\t\t\t\t\t\t\t\tnum_comments = '{$num_comments}'\n\t\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                    if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
                        db_query($link, "UPDATE ttrss_user_entries \n\t\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                    } else {
                        db_query($link, "UPDATE ttrss_user_entries \n\t\t\t\t\t\t\t\tSET last_read = null WHERE ref_id = '{$ref_id}' AND unread = false");
                    }
                }
            }
            db_query($link, "COMMIT");
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: assigning labels...");
            }
            assign_article_to_labels($link, $entry_ref_id, $article_filters, $owner_uid);
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: looking for enclosures...");
            }
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                print_r($enclosures);
            }
            db_query($link, "BEGIN");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $result = db_query($link, "SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query($link, "INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '', '{$enc_dur}', '{$entry_ref_id}')");
                }
            }
            db_query($link, "COMMIT");
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: looking for tags...");
            }
            /* taaaags */
            // <a href="..." rel="tag">Xorg</a>, //
            $entry_tags = null;
            preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\\/a>/i", $entry_content_unescaped, $entry_tags);
            /*				print "<p><br/>$entry_title : $entry_content_unescaped<br>";
            				print_r($entry_tags);
            				print "<br/></p>"; */
            $entry_tags = $entry_tags[1];
            # check for manual tags
            foreach ($article_filters as $f) {
                if ($f[0] == "tag") {
                    $manual_tags = trim_array(split(",", $f[1]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link, 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            if ($additional_tags && is_array($additional_tags)) {
                foreach ($additional_tags as $tag) {
                    if (tag_is_valid($tag) && array_search($tag, $boring_tags) === FALSE) {
                        array_push($entry_tags, $tag);
                    }
                }
            }
            //				print "<p>TAGS: "; print_r($entry_tags); print "</p>";
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                print_r($entry_tags);
            }
            if (count($entry_tags) > 0) {
                db_query($link, "BEGIN");
                foreach ($entry_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query($link, "SELECT id FROM ttrss_tags\t\t\n\t\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND \n\t\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    //						print db_fetch_result($result, 0, "id");
                    if ($result && db_num_rows($result) == 0) {
                        db_query($link, "INSERT INTO ttrss_tags \n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                }
                db_query($link, "COMMIT");
            }
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: article processed");
            }
        }
        if (!$last_updated) {
            if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
                _debug("update_rss_feed: new feed, catching it up...");
            }
            catchup_feed($link, $feed, false, $owner_uid);
        }
        purge_feed($link, $feed, 0);
        db_query($link, "UPDATE ttrss_feeds \n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query($link, "COMMIT");
    } else {
        if ($use_simplepie) {
            $error_msg = mb_substr($rss->error(), 0, 250);
        } else {
            $error_msg = mb_substr(magpie_error(), 0, 250);
        }
        if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
            _debug("update_rss_feed: error fetching feed: {$error_msg}");
        }
        $error_msg = db_escape_string($error_msg);
        db_query($link, "UPDATE ttrss_feeds SET last_error = '{$error_msg}', \n\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
    }
    if ($use_simplepie) {
        unset($rss);
    }
    if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
        _debug("update_rss_feed: done");
    }
}
Ejemplo n.º 3
0
function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false, $rss = false)
{
    $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
    _debug_suppress(!$debug_enabled);
    _debug("start", $debug_enabled);
    $result = db_query("SELECT title FROM ttrss_feeds\n\t\t\tWHERE id = '{$feed}'");
    $title = db_fetch_result($result, 0, "title");
    // feed was batch-subscribed or something, we need to get basic info
    // this is not optimal currently as it fetches stuff separately TODO: optimize
    if ($title == "[Unknown]") {
        _debug("setting basic feed info for {$feed}...");
        set_basic_feed_info($feed);
    }
    $result = db_query("SELECT id,update_interval,auth_login,\n\t\t\tfeed_url,auth_pass,cache_images,\n\t\t\tmark_unread_on_update, owner_uid,\n\t\t\tpubsub_state, auth_pass_encrypted,\n\t\t\tfeed_language,\n\t\t\t(SELECT max(date_entered) FROM\n\t\t\t\tttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '{$feed}') AS last_article_timestamp\n\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    if (db_num_rows($result) == 0) {
        _debug("feed {$feed} NOT FOUND/SKIPPED", $debug_enabled);
        return false;
    }
    $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
    if (defined('_DISABLE_HTTP_304')) {
        $last_article_timestamp = 0;
    }
    $owner_uid = db_fetch_result($result, 0, "owner_uid");
    $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
    $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
    $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, 0, "auth_pass_encrypted"));
    db_query("UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($result, 0, "auth_login");
    $auth_pass = db_fetch_result($result, 0, "auth_pass");
    if ($auth_pass_encrypted) {
        require_once "crypt.php";
        $auth_pass = decrypt_string($auth_pass);
    }
    $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
    $fetch_url = db_fetch_result($result, 0, "feed_url");
    $feed_language = db_escape_string(mb_strtolower(db_fetch_result($result, 0, "feed_language")));
    if (!$feed_language) {
        $feed_language = 'english';
    }
    $feed = db_escape_string($feed);
    $date_feed_processed = date('Y-m-d H:i');
    $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml";
    $pluginhost = new PluginHost();
    $pluginhost->set_debug($debug_enabled);
    $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
    $pluginhost->load(PLUGINS, PluginHost::KIND_ALL);
    $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
    $pluginhost->load_data();
    if ($rss && is_object($rss) && get_class($rss) == "FeedParser") {
        _debug("using previously initialized parser object");
    } else {
        $rss_hash = false;
        $force_refetch = isset($_REQUEST["force_refetch"]);
        foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) {
            $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass);
        }
        // try cache
        if (!$feed_data && file_exists($cache_filename) && is_readable($cache_filename) && !$auth_login && !$auth_pass && filemtime($cache_filename) > time() - 30) {
            _debug("using local cache [{$cache_filename}].", $debug_enabled);
            @($feed_data = file_get_contents($cache_filename));
            if ($feed_data) {
                $rss_hash = sha1($feed_data);
            }
        } else {
            _debug("local cache will not be used for this feed", $debug_enabled);
        }
        // fetch feed from source
        if (!$feed_data) {
            _debug("fetching [{$fetch_url}]...", $debug_enabled);
            _debug("If-Modified-Since: " . gmdate('D, d M Y H:i:s \\G\\M\\T', $last_article_timestamp), $debug_enabled);
            $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, $force_refetch ? 0 : $last_article_timestamp);
            global $fetch_curl_used;
            if (!$fetch_curl_used) {
                $tmp = @gzdecode($feed_data);
                if ($tmp) {
                    $feed_data = $tmp;
                }
            }
            $feed_data = trim($feed_data);
            _debug("fetch done.", $debug_enabled);
            // cache vanilla feed data for re-use
            if ($feed_data && !$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
                $new_rss_hash = sha1($feed_data);
                if ($new_rss_hash != $rss_hash) {
                    _debug("saving {$cache_filename}", $debug_enabled);
                    @file_put_contents($cache_filename, $feed_data);
                }
            }
        }
        if (!$feed_data) {
            global $fetch_last_error;
            global $fetch_last_error_code;
            _debug("unable to fetch: {$fetch_last_error} [{$fetch_last_error_code}]", $debug_enabled);
            $error_escaped = '';
            // If-Modified-Since
            if ($fetch_last_error_code != 304) {
                $error_escaped = db_escape_string($fetch_last_error);
            } else {
                _debug("source claims data not modified, nothing to do.", $debug_enabled);
            }
            db_query("UPDATE ttrss_feeds SET last_error = '{$error_escaped}',\n\t\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
            return;
        }
    }
    foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) {
        $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed);
    }
    // set last update to now so if anything *simplepie* crashes later we won't be
    // continuously failing on the same feed
    //db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
    if (!$rss) {
        $rss = new FeedParser($feed_data);
        $rss->init();
    }
    //		print_r($rss);
    $feed = db_escape_string($feed);
    if (!$rss->error()) {
        // We use local pluginhost here because we need to load different per-user feed plugins
        $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
        _debug("language: {$feed_language}", $debug_enabled);
        _debug("processing feed data...", $debug_enabled);
        //			db_query("BEGIN");
        if (DB_TYPE == "pgsql") {
            $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
        } else {
            $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
        }
        $result = db_query("SELECT owner_uid,favicon_avg_color,\n\t\t\t\t(favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n\t\t\t\t\t\tfavicon_needs_check\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check"));
        $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color");
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
        _debug("site_url: {$site_url}", $debug_enabled);
        _debug("feed_title: " . $rss->get_title(), $debug_enabled);
        if ($favicon_needs_check || $force_refetch) {
            /* terrible hack: if we crash on floicon shit here, we won't check
             * the icon avgcolor again (unless the icon got updated) */
            $favicon_file = ICONS_DIR . "/{$feed}.ico";
            $favicon_modified = @filemtime($favicon_file);
            _debug("checking favicon...", $debug_enabled);
            check_feed_favicon($site_url, $feed);
            $favicon_modified_new = @filemtime($favicon_file);
            if ($favicon_modified_new > $favicon_modified) {
                $favicon_avg_color = '';
            }
            if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') {
                require_once "colors.php";
                db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE\n\t\t\t\t\t\t\tid = '{$feed}'");
                $favicon_color = db_escape_string(calculate_avg_color($favicon_file));
                $favicon_colorstring = ",favicon_avg_color = '" . $favicon_color . "'";
            } else {
                if ($favicon_avg_color == 'fail') {
                    _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
                }
            }
            db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n\t\t\t\t\t{$favicon_colorstring}\n\t\t\t\t\tWHERE id = '{$feed}'");
        }
        _debug("loading filters & labels...", $debug_enabled);
        $filters = load_filters($feed, $owner_uid);
        _debug("" . count($filters) . " filters loaded.", $debug_enabled);
        $items = $rss->get_items();
        if (!is_array($items)) {
            _debug("no articles found.", $debug_enabled);
            db_query("UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            _debug("checking for PUSH hub...", $debug_enabled);
            $feed_hub_url = false;
            $links = $rss->get_links('hub');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_hub_url = $l;
                    break;
                }
            }
            _debug("feed hub url: {$feed_hub_url}", $debug_enabled);
            $feed_self_url = $fetch_url;
            $links = $rss->get_links('self');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_self_url = $l;
                    break;
                }
            }
            _debug("feed self url = {$feed_self_url}");
            if ($feed_hub_url && $feed_self_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($feed_self_url);
                _debug("feed hub url found, subscribe request sent. [rc={$rc}]", $debug_enabled);
                db_query("UPDATE ttrss_feeds SET pubsub_state = 1\n\t\t\t\t\t\tWHERE id = '{$feed}'");
            }
        }
        _debug("processing articles...", $debug_enabled);
        $tstart = time();
        foreach ($items as $item) {
            if ($_REQUEST['xdebug'] == 3) {
                print_r($item);
            }
            if (ini_get("max_execution_time") > 0 && time() - $tstart >= ini_get("max_execution_time") * 0.7) {
                _debug("looks like there's too many articles to process at once, breaking out", $debug_enabled);
                break;
            }
            $entry_guid = $item->get_id();
            if (!$entry_guid) {
                $entry_guid = $item->get_link();
            }
            if (!$entry_guid) {
                $entry_guid = make_guid_from_title($item->get_title());
            }
            if (!$entry_guid) {
                continue;
            }
            $entry_guid = "{$owner_uid},{$entry_guid}";
            $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid));
            _debug("guid {$entry_guid} / {$entry_guid_hashed}", $debug_enabled);
            $entry_timestamp = "";
            $entry_timestamp = $item->get_date();
            _debug("orig date: " . $item->get_date(), $debug_enabled);
            if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) {
                $entry_timestamp = time();
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            _debug("date {$entry_timestamp} [{$entry_timestamp_fmt}]", $debug_enabled);
            //				$entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8');
            //				$entry_title = decode_numeric_entities($entry_title);
            $entry_title = $item->get_title();
            $entry_link = rewrite_relative_url($site_url, $item->get_link());
            _debug("title {$entry_title}", $debug_enabled);
            _debug("link {$entry_link}", $debug_enabled);
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_content = $item->get_content();
            if (!$entry_content) {
                $entry_content = $item->get_description();
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "content: ";
                print $entry_content;
                print "\n";
            }
            $entry_comments = $item->get_comments_url();
            $entry_author = $item->get_author();
            $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
            $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
            $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
            $num_comments = (int) $item->get_comments_count();
            _debug("author {$entry_author}", $debug_enabled);
            _debug("num_comments: {$num_comments}", $debug_enabled);
            _debug("looking for tags...", $debug_enabled);
            // parse <category> entries into tags
            $additional_tags = array();
            $additional_tags_src = $item->get_categories();
            if (is_array($additional_tags_src)) {
                foreach ($additional_tags_src as $tobj) {
                    array_push($additional_tags, $tobj);
                }
            }
            $entry_tags = array_unique($additional_tags);
            for ($i = 0; $i < count($entry_tags); $i++) {
                $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
            }
            _debug("tags found: " . join(",", $entry_tags), $debug_enabled);
            _debug("done collecting data.", $debug_enabled);
            $result = db_query("SELECT id, content_hash, lang FROM ttrss_entries\n\t\t\t\t\tWHERE guid = '" . db_escape_string($entry_guid) . "' OR guid = '{$entry_guid_hashed}'");
            if (db_num_rows($result) != 0) {
                $base_entry_id = db_fetch_result($result, 0, "id");
                $entry_stored_hash = db_fetch_result($result, 0, "content_hash");
                $article_labels = get_article_labels($base_entry_id, $owner_uid);
                $entry_language = db_fetch_result($result, 0, "lang");
            } else {
                $base_entry_id = false;
                $entry_stored_hash = "";
                $article_labels = array();
                $entry_language = "";
            }
            $article = array("owner_uid" => $owner_uid, "guid" => $entry_guid, "guid_hashed" => $entry_guid_hashed, "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "labels" => $article_labels, "tags" => $entry_tags, "author" => $entry_author, "force_catchup" => false, "score_modifier" => 0, "language" => $entry_language, "feed" => array("id" => $feed, "fetch_url" => $fetch_url, "site_url" => $site_url));
            $entry_plugin_data = "";
            $entry_current_hash = calculate_article_hash($article, $pluginhost);
            _debug("article hash: {$entry_current_hash} [stored={$entry_stored_hash}]", $debug_enabled);
            if ($entry_current_hash == $entry_stored_hash && !isset($_REQUEST["force_rehash"])) {
                _debug("stored article seems up to date [IID: {$base_entry_id}], updating timestamp only", $debug_enabled);
                // we keep encountering the entry in feeds, so we need to
                // update date_updated column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query("UPDATE ttrss_entries SET date_updated = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
                // if we allow duplicate posts, we have to continue to
                // create the user entries for this feed
                if (!get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    continue;
                }
            }
            _debug("hash differs, applying plugin filters:", $debug_enabled);
            foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) {
                _debug("... " . get_class($plugin), $debug_enabled);
                $start = microtime(true);
                $article = $plugin->hook_article_filter($article);
                _debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled);
                $entry_plugin_data .= mb_strtolower(get_class($plugin)) . ",";
            }
            $entry_plugin_data = db_escape_string($entry_plugin_data);
            _debug("plugin data: {$entry_plugin_data}", $debug_enabled);
            // Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077
            if (DB_TYPE == "mysql") {
                foreach ($article as $k => $v) {
                    // i guess we'll have to take the risk of 4byte unicode labels & tags here
                    if (!is_array($article[$k])) {
                        $article[$k] = preg_replace('/[\\x{10000}-\\x{10FFFF}]/u', "�", $v);
                    }
                }
            }
            $entry_tags = $article["tags"];
            $entry_guid = db_escape_string($entry_guid);
            $entry_title = db_escape_string($article["title"]);
            $entry_author = db_escape_string($article["author"]);
            $entry_link = db_escape_string($article["link"]);
            $entry_content = $article["content"];
            // escaped below
            $entry_force_catchup = $article["force_catchup"];
            $article_labels = $article["labels"];
            $entry_score_modifier = (int) $article["score_modifier"];
            $entry_language = db_escape_string($article["language"]);
            if ($debug_enabled) {
                _debug("article labels:", $debug_enabled);
                print_r($article_labels);
            }
            _debug("force catchup: {$entry_force_catchup}");
            if ($cache_images && is_writable(CACHE_DIR . '/images')) {
                cache_images($entry_content, $site_url, $debug_enabled);
            }
            $entry_content = db_escape_string($entry_content, false);
            db_query("BEGIN");
            $result = db_query("SELECT id FROM\tttrss_entries\n\t\t\t\t\tWHERE (guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}')");
            if (db_num_rows($result) == 0) {
                _debug("base guid [{$entry_guid}] not found", $debug_enabled);
                // base post entry does not exist, create it
                $result = db_query("INSERT INTO ttrss_entries\n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_updated,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tplugin_data,\n\t\t\t\t\t\t\tlang,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}',\n\t\t\t\t\t\t\t'{$entry_guid_hashed}',\n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t'{$entry_content}',\n\t\t\t\t\t\t\t'{$entry_current_hash}',\n\t\t\t\t\t\t\tfalse,\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\t'{$date_feed_processed}',\n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_plugin_data}',\n\t\t\t\t\t\t\t'{$entry_language}',\n\t\t\t\t\t\t\t'{$entry_author}')");
            } else {
                $base_entry_id = db_fetch_result($result, 0, "id");
            }
            // now it should exist, if not - bad luck then
            $result = db_query("SELECT id FROM ttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                _debug("base guid found, checking for user record", $debug_enabled);
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                /* $stored_guid = db_fetch_result($result, 0, "guid");
                					if ($stored_guid != $entry_guid_hashed) {
                						if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled);
                
                						db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE
                							id = '$ref_id'");
                					} */
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                /* Collect article tags here so we could filter by them: */
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags);
                if ($debug_enabled) {
                    _debug("article filters: ", $debug_enabled);
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query("COMMIT");
                    // close transaction in progress
                    continue;
                }
                $score = calculate_article_score($article_filters) + $entry_score_modifier;
                _debug("initial score: {$score} [including plugin modifier: {$entry_score_modifier}]", $debug_enabled);
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    _debug("user record not found, creating...", $debug_enabled);
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup') && !$entry_force_catchup) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    // N-grams
                    /* if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
                    
                    							$result = db_query("SELECT COUNT(*) AS similar FROM
                    									ttrss_entries,ttrss_user_entries
                    								WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
                    									AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD."
                    									AND owner_uid = $owner_uid");
                    
                    							$ngram_similar = db_fetch_result($result, 0, "similar");
                    
                    							_debug("N-gram similar results: $ngram_similar", $debug_enabled);
                    
                    							if ($ngram_similar > 0) {
                    								$unread = 'false';
                    							}
                    						} */
                    $last_marked = $marked == 'true' ? 'NOW()' : 'NULL';
                    $last_published = $published == 'true' ? 'NOW()' : 'NULL';
                    $result = db_query("INSERT INTO ttrss_user_entries\n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked,\n\t\t\t\t\t\t\t\tpublished, score, tag_cache, label_cache, uuid,\n\t\t\t\t\t\t\t\tlast_marked, last_published)\n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '',\n\t\t\t\t\t\t\t\t'', {$last_marked}, {$last_published})");
                    if (PUBSUBHUBBUB_HUB && $published == 'true') {
                        $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key(-2, false, $owner_uid);
                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                        /* $pubsub_result = */
                        $p->publish_update($rss_link);
                    }
                    $result = db_query("SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    _debug("user record FOUND", $debug_enabled);
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                _debug("RID: {$entry_ref_id}, IID: {$entry_int_id}", $debug_enabled);
                if (DB_TYPE == "pgsql") {
                    $tsvector_combined = db_escape_string(mb_substr($entry_title . ' ' . strip_tags($entry_content), 0, 1000000));
                    $tsvector_qpart = "tsvector_combined = to_tsvector('{$feed_language}', '{$tsvector_combined}'),";
                } else {
                    $tsvector_qpart = "";
                }
                db_query("UPDATE ttrss_entries\n\t\t\t\t\t\tSET title = '{$entry_title}',\n\t\t\t\t\t\t\tcontent = '{$entry_content}',\n\t\t\t\t\t\t\tcontent_hash = '{$entry_current_hash}',\n\t\t\t\t\t\t\tupdated = '{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t{$tsvector_qpart}\n\t\t\t\t\t\t\tnum_comments = '{$num_comments}',\n\t\t\t\t\t\t\tplugin_data = '{$entry_plugin_data}',\n\t\t\t\t\t\t\tauthor = '{$entry_author}',\n\t\t\t\t\t\t\tlang = '{$entry_language}'\n\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                // update aux data
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET score = '{$score}' WHERE ref_id = '{$ref_id}'");
                if ($mark_unread_on_update) {
                    db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                }
            }
            db_query("COMMIT");
            _debug("assigning labels [other]...", $debug_enabled);
            foreach ($article_labels as $label) {
                label_add_article($entry_ref_id, $label[1], $owner_uid);
            }
            _debug("assigning labels [filters]...", $debug_enabled);
            assign_article_to_label_filters($entry_ref_id, $article_filters, $owner_uid, $article_labels);
            _debug("looking for enclosures...", $debug_enabled);
            // enclosures
            $enclosures = array();
            $encs = $item->get_enclosures();
            if (is_array($encs)) {
                foreach ($encs as $e) {
                    $e_item = array($e->link, $e->type, $e->length, $e->title, $e->width, $e->height);
                    array_push($enclosures, $e_item);
                }
            }
            if ($debug_enabled) {
                _debug("article enclosures:", $debug_enabled);
                print_r($enclosures);
            }
            db_query("BEGIN");
            //				debugging
            //				db_query("DELETE FROM ttrss_enclosures WHERE post_id = '$entry_ref_id'");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $enc_title = db_escape_string($enc[3]);
                $enc_width = intval($enc[4]);
                $enc_height = intval($enc[5]);
                $result = db_query("SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query("INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id, width, height) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '{$enc_title}', '{$enc_dur}', '{$entry_ref_id}', {$enc_width}, {$enc_height})");
                }
            }
            db_query("COMMIT");
            // check for manual tags (we have to do it here since they're loaded from filters)
            foreach ($article_filters as $f) {
                if ($f["type"] == "tag") {
                    $manual_tags = trim_array(explode(",", $f["param"]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            // Skip boring tags
            $boring_tags = trim_array(explode(",", mb_strtolower(get_pref('BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            $filtered_tags = array();
            $tags_to_cache = array();
            if ($entry_tags && is_array($entry_tags)) {
                foreach ($entry_tags as $tag) {
                    if (array_search($tag, $boring_tags) === false) {
                        array_push($filtered_tags, $tag);
                    }
                }
            }
            $filtered_tags = array_unique($filtered_tags);
            if ($debug_enabled) {
                _debug("filtered article tags:", $debug_enabled);
                print_r($filtered_tags);
            }
            // Save article tags in the database
            if (count($filtered_tags) > 0) {
                db_query("BEGIN");
                foreach ($filtered_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query("SELECT id FROM ttrss_tags\n\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    if ($result && db_num_rows($result) == 0) {
                        db_query("INSERT INTO ttrss_tags\n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                    array_push($tags_to_cache, $tag);
                }
                /* update the cache */
                $tags_to_cache = array_unique($tags_to_cache);
                $tags_str = db_escape_string(join(",", $tags_to_cache));
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                db_query("COMMIT");
            }
            _debug("article processed", $debug_enabled);
        }
        _debug("purging feed...", $debug_enabled);
        purge_feed($feed, 0, $debug_enabled);
        db_query("UPDATE ttrss_feeds\n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query("COMMIT");
    } else {
        $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
        _debug("fetch error: {$error_msg}", $debug_enabled);
        if (count($rss->errors()) > 1) {
            foreach ($rss->errors() as $error) {
                _debug("+ {$error}");
            }
        }
        db_query("UPDATE ttrss_feeds SET last_error = '{$error_msg}',\n\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
        unset($rss);
    }
    _debug("done", $debug_enabled);
    return $rss;
}
Ejemplo n.º 4
0
function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false, $override_url = false)
{
    require_once "lib/simplepie/simplepie.inc";
    require_once "lib/magpierss/rss_fetch.inc";
    require_once 'lib/magpierss/rss_utils.inc';
    $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
    if (!$_REQUEST["daemon"] && !$ignore_daemon) {
        return false;
    }
    if ($debug_enabled) {
        _debug("update_rss_feed: start");
    }
    if (!$ignore_daemon) {
        if (DB_TYPE == "pgsql") {
            $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
        } else {
            $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
        }
        $result = db_query($link, "SELECT id,update_interval,auth_login,\n\t\t\t\tauth_pass,cache_images,update_method,last_updated\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}' AND {$updstart_thresh_qpart}");
    } else {
        $result = db_query($link, "SELECT id,update_interval,auth_login,\n\t\t\t\tfeed_url,auth_pass,cache_images,update_method,last_updated,\n\t\t\t\tmark_unread_on_update, owner_uid, update_on_checksum_change,\n\t\t\t\tpubsub_state\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    }
    if (db_num_rows($result) == 0) {
        if ($debug_enabled) {
            _debug("update_rss_feed: feed {$feed} NOT FOUND/SKIPPED");
        }
        return false;
    }
    $update_method = db_fetch_result($result, 0, "update_method");
    $last_updated = db_fetch_result($result, 0, "last_updated");
    $owner_uid = db_fetch_result($result, 0, "owner_uid");
    $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
    $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result, 0, "update_on_checksum_change"));
    $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
    db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($result, 0, "auth_login");
    $auth_pass = db_fetch_result($result, 0, "auth_pass");
    if ($update_method == 0) {
        $update_method = DEFAULT_UPDATE_METHOD + 1;
    }
    // 1 - Magpie
    // 2 - SimplePie
    // 3 - Twitter OAuth
    if ($update_method == 2) {
        $use_simplepie = true;
    } else {
        $use_simplepie = false;
    }
    if ($debug_enabled) {
        _debug("update method: {$update_method} (feed setting: {$update_method}) (use simplepie: {$use_simplepie})\n");
    }
    if ($update_method == 1) {
        $auth_login = urlencode($auth_login);
        $auth_pass = urlencode($auth_pass);
    }
    $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
    $fetch_url = db_fetch_result($result, 0, "feed_url");
    $feed = db_escape_string($feed);
    if ($auth_login && $auth_pass) {
        $url_parts = array();
        preg_match("/(^[^:]*):\\/\\/(.*)/", $fetch_url, $url_parts);
        if ($url_parts[1] && $url_parts[2]) {
            $fetch_url = $url_parts[1] . "://{$auth_login}:{$auth_pass}@" . $url_parts[2];
        }
    }
    if ($override_url) {
        $fetch_url = $override_url;
    }
    if ($debug_enabled) {
        _debug("update_rss_feed: fetching [{$fetch_url}]...");
    }
    // Ignore cache if new feed or manual update.
    $cache_age = is_null($last_updated) || $last_updated == '1970-01-01 00:00:00' ? -1 : get_feed_update_interval($link, $feed) * 60;
    if ($update_method == 3) {
        $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
    } else {
        if ($update_method == 1) {
            define('MAGPIE_CACHE_AGE', $cache_age);
            define('MAGPIE_CACHE_ON', !$no_cache);
            define('MAGPIE_FETCH_TIME_OUT', 60);
            define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
            $rss = @fetch_rss($fetch_url);
        } else {
            $simplepie_cache_dir = CACHE_DIR . "/simplepie";
            if (!is_dir($simplepie_cache_dir)) {
                mkdir($simplepie_cache_dir);
            }
            $rss = new SimplePie();
            $rss->set_useragent(SELF_USER_AGENT);
            #			$rss->set_timeout(10);
            $rss->set_feed_url($fetch_url);
            $rss->set_output_encoding('UTF-8');
            //$rss->force_feed(true);
            if ($debug_enabled) {
                _debug("feed update interval (sec): " . get_feed_update_interval($link, $feed) * 60);
            }
            $rss->enable_cache(!$no_cache);
            if (!$no_cache) {
                $rss->set_cache_location($simplepie_cache_dir);
                $rss->set_cache_duration($cache_age);
            }
            $rss->init();
        }
    }
    //		print_r($rss);
    if ($debug_enabled) {
        _debug("update_rss_feed: fetch done, parsing...");
    }
    $feed = db_escape_string($feed);
    if ($update_method == 2) {
        $fetch_ok = !$rss->error();
    } else {
        $fetch_ok = !!$rss;
    }
    if ($fetch_ok) {
        if ($debug_enabled) {
            _debug("update_rss_feed: processing feed data...");
        }
        //			db_query($link, "BEGIN");
        if (DB_TYPE == "pgsql") {
            $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
        } else {
            $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
        }
        $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid,\n\t\t\t\t(favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n\t\t\t\t\t\tfavicon_needs_check\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $registered_title = db_fetch_result($result, 0, "title");
        $orig_icon_url = db_fetch_result($result, 0, "icon_url");
        $orig_site_url = db_fetch_result($result, 0, "site_url");
        $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check"));
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        if ($use_simplepie) {
            $site_url = db_escape_string(trim($rss->get_link()));
        } else {
            $site_url = db_escape_string(trim($rss->channel["link"]));
        }
        // weird, weird Magpie
        if (!$use_simplepie) {
            if (!$site_url) {
                $site_url = db_escape_string($rss->channel["link_"]);
            }
        }
        $site_url = rewrite_relative_url($fetch_url, $site_url);
        $site_url = substr($site_url, 0, 250);
        if ($debug_enabled) {
            _debug("update_rss_feed: checking favicon...");
        }
        if ($favicon_needs_check) {
            check_feed_favicon($site_url, $feed, $link);
            db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n\t\t\t\t\tWHERE id = '{$feed}'");
        }
        if (!$registered_title || $registered_title == "[Unknown]") {
            if ($use_simplepie) {
                $feed_title = db_escape_string($rss->get_title());
            } else {
                $feed_title = db_escape_string($rss->channel["title"]);
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: registering title: {$feed_title}");
            }
            db_query($link, "UPDATE ttrss_feeds SET\n\t\t\t\t\ttitle = '{$feed_title}' WHERE id = '{$feed}'");
        }
        if ($site_url && $orig_site_url != $site_url) {
            db_query($link, "UPDATE ttrss_feeds SET\n\t\t\t\t\tsite_url = '{$site_url}' WHERE id = '{$feed}'");
        }
        //			print "I: " . $rss->channel["image"]["url"];
        if (!$use_simplepie) {
            $icon_url = db_escape_string(trim($rss->image["url"]));
        } else {
            $icon_url = db_escape_string(trim($rss->get_image_url()));
        }
        $icon_url = rewrite_relative_url($fetch_url, $icon_url);
        $icon_url = substr($icon_url, 0, 250);
        if ($icon_url && $orig_icon_url != $icon_url) {
            db_query($link, "UPDATE ttrss_feeds SET icon_url = '{$icon_url}' WHERE id = '{$feed}'");
        }
        if ($debug_enabled) {
            _debug("update_rss_feed: loading filters...");
        }
        $filters = load_filters($link, $feed, $owner_uid);
        //			if ($debug_enabled) {
        //				print_r($filters);
        //			}
        if ($use_simplepie) {
            $iterator = $rss->get_items();
        } else {
            $iterator = $rss->items;
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss->entries;
            }
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss;
            }
        }
        if (!is_array($iterator)) {
            /* db_query($link, "UPDATE ttrss_feeds
            			SET last_error = 'Parse error: can\'t find any articles.'
            			WHERE id = '$feed'"); */
            // clear any errors and mark feed as updated if fetched okay
            // even if it's blank
            if ($debug_enabled) {
                _debug("update_rss_feed: entry iterator is not an array, no articles?");
            }
            db_query($link, "UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            if ($debug_enabled) {
                _debug("update_rss_feed: checking for PUSH hub...");
            }
            $feed_hub_url = false;
            if ($use_simplepie) {
                $links = $rss->get_links('hub');
                if ($links && is_array($links)) {
                    foreach ($links as $l) {
                        $feed_hub_url = $l;
                        break;
                    }
                }
            } else {
                $atom = $rss->channel['atom'];
                if ($atom) {
                    if ($atom['link@rel'] == 'hub') {
                        $feed_hub_url = $atom['link@href'];
                    }
                    if (!$feed_hub_url && $atom['link#'] > 1) {
                        for ($i = 2; $i <= $atom['link#']; $i++) {
                            if ($atom["link#{$i}@rel"] == 'hub') {
                                $feed_hub_url = $atom["link#{$i}@href"];
                                break;
                            }
                        }
                    }
                } else {
                    $feed_hub_url = $rss->channel['link_hub'];
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: feed hub url: {$feed_hub_url}");
            }
            if ($feed_hub_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($fetch_url);
                if ($debug_enabled) {
                    _debug("update_rss_feed: feed hub url found, subscribe request sent.");
                }
                db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1\n\t\t\t\t\t\tWHERE id = '{$feed}'");
            }
        }
        if ($debug_enabled) {
            _debug("update_rss_feed: processing articles...");
        }
        foreach ($iterator as $item) {
            if ($_REQUEST['xdebug'] == 2) {
                print_r($item);
            }
            if ($use_simplepie) {
                $entry_guid = $item->get_id();
                if (!$entry_guid) {
                    $entry_guid = $item->get_link();
                }
                if (!$entry_guid) {
                    $entry_guid = make_guid_from_title($item->get_title());
                }
            } else {
                $entry_guid = $item["id"];
                if (!$entry_guid) {
                    $entry_guid = $item["guid"];
                }
                if (!$entry_guid) {
                    $entry_guid = $item["about"];
                }
                if (!$entry_guid) {
                    $entry_guid = $item["link"];
                }
                if (!$entry_guid) {
                    $entry_guid = make_guid_from_title($item["title"]);
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: guid {$entry_guid}");
            }
            if (!$entry_guid) {
                continue;
            }
            $entry_timestamp = "";
            if ($use_simplepie) {
                $entry_timestamp = strtotime($item->get_date());
            } else {
                $rss_2_date = $item['pubdate'];
                $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) {
                $entry_timestamp = time();
                $no_orig_date = 'true';
            } else {
                $no_orig_date = 'false';
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            if ($debug_enabled) {
                _debug("update_rss_feed: date {$entry_timestamp} [{$entry_timestamp_fmt}]");
            }
            if ($use_simplepie) {
                $entry_title = $item->get_title();
            } else {
                $entry_title = trim(strip_tags($item["title"]));
            }
            if ($use_simplepie) {
                $entry_link = $item->get_link();
            } else {
                // strange Magpie workaround
                $entry_link = $item["link_"];
                if (!$entry_link) {
                    $entry_link = $item["link"];
                }
            }
            $entry_link = rewrite_relative_url($site_url, $entry_link);
            if ($debug_enabled) {
                _debug("update_rss_feed: title {$entry_title}");
                _debug("update_rss_feed: link {$entry_link}");
            }
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_link = strip_tags($entry_link);
            if ($use_simplepie) {
                $entry_content = $item->get_content();
                if (!$entry_content) {
                    $entry_content = $item->get_description();
                }
            } else {
                $entry_content = $item["content:escaped"];
                if (!$entry_content) {
                    $entry_content = $item["content:encoded"];
                }
                if (!$entry_content && is_array($entry_content)) {
                    $entry_content = $item["content"]["encoded"];
                }
                if (!$entry_content) {
                    $entry_content = $item["content"];
                }
                if (is_array($entry_content)) {
                    $entry_content = $entry_content[0];
                }
                // Magpie bugs are getting ridiculous
                if (trim($entry_content) == "Array") {
                    $entry_content = false;
                }
                if (!$entry_content) {
                    $entry_content = $item["atom_content"];
                }
                if (!$entry_content) {
                    $entry_content = $item["summary"];
                }
                if (!$entry_content || strlen($entry_content) < strlen($item["description"])) {
                    $entry_content = $item["description"];
                }
                // WTF
                if (is_array($entry_content)) {
                    $entry_content = $entry_content["encoded"];
                    if (!$entry_content) {
                        $entry_content = $entry_content["escaped"];
                    }
                }
            }
            if ($cache_images && is_writable(CACHE_DIR . '/images')) {
                $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "update_rss_feed: content: ";
                print $entry_content;
                print "\n";
            }
            $entry_content_unescaped = $entry_content;
            if ($use_simplepie) {
                $entry_comments = strip_tags($item->data["comments"]);
                if ($item->get_author()) {
                    $entry_author_item = $item->get_author();
                    $entry_author = $entry_author_item->get_name();
                    if (!$entry_author) {
                        $entry_author = $entry_author_item->get_email();
                    }
                    $entry_author = db_escape_string($entry_author);
                }
            } else {
                $entry_comments = strip_tags($item["comments"]);
                $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
                if ($item['author']) {
                    if (is_array($item['author'])) {
                        if (!$entry_author) {
                            $entry_author = db_escape_string(strip_tags($item['author']['name']));
                        }
                        if (!$entry_author) {
                            $entry_author = db_escape_string(strip_tags($item['author']['email']));
                        }
                    }
                    if (!$entry_author) {
                        $entry_author = db_escape_string(strip_tags($item['author']));
                    }
                }
            }
            if (preg_match('/^[\\t\\n\\r ]*$/', $entry_author)) {
                $entry_author = '';
            }
            $entry_guid = db_escape_string(strip_tags($entry_guid));
            $entry_guid = mb_substr($entry_guid, 0, 250);
            $result = db_query($link, "SELECT id FROM\tttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            $entry_content = db_escape_string($entry_content, false);
            $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
            $entry_title = db_escape_string($entry_title);
            $entry_link = db_escape_string($entry_link);
            $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
            $entry_author = mb_substr($entry_author, 0, 250);
            if ($use_simplepie) {
                $num_comments = 0;
                #FIXME#
            } else {
                $num_comments = db_escape_string($item["slash"]["comments"]);
            }
            if (!$num_comments) {
                $num_comments = 0;
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: looking for tags [1]...");
            }
            // parse <category> entries into tags
            $additional_tags = array();
            if ($use_simplepie) {
                $additional_tags_src = $item->get_categories();
                if (is_array($additional_tags_src)) {
                    foreach ($additional_tags_src as $tobj) {
                        array_push($additional_tags, $tobj->get_term());
                    }
                }
                if ($debug_enabled) {
                    _debug("update_rss_feed: category tags:");
                    print_r($additional_tags);
                }
            } else {
                $t_ctr = $item['category#'];
                if ($t_ctr == 0) {
                    $additional_tags = array();
                } else {
                    if ($t_ctr > 0) {
                        $additional_tags = array($item['category']);
                        if ($item['category@term']) {
                            array_push($additional_tags, $item['category@term']);
                        }
                        for ($i = 0; $i <= $t_ctr; $i++) {
                            if ($item["category#{$i}"]) {
                                array_push($additional_tags, $item["category#{$i}"]);
                            }
                            if ($item["category#{$i}@term"]) {
                                array_push($additional_tags, $item["category#{$i}@term"]);
                            }
                        }
                    }
                }
                // parse <dc:subject> elements
                $t_ctr = $item['dc']['subject#'];
                if ($t_ctr > 0) {
                    array_push($additional_tags, $item['dc']['subject']);
                    for ($i = 0; $i <= $t_ctr; $i++) {
                        if ($item['dc']["subject#{$i}"]) {
                            array_push($additional_tags, $item['dc']["subject#{$i}"]);
                        }
                    }
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: looking for tags [2]...");
            }
            /* taaaags */
            // <a href="..." rel="tag">Xorg</a>, //
            $entry_tags = null;
            preg_match_all("/<a.*?rel=['\"]tag['\"].*?\\>([^<]+)<\\/a>/i", $entry_content_unescaped, $entry_tags);
            $entry_tags = $entry_tags[1];
            $entry_tags = array_merge($entry_tags, $additional_tags);
            $entry_tags = array_unique($entry_tags);
            for ($i = 0; $i < count($entry_tags); $i++) {
                $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
            }
            if ($debug_enabled) {
                //_debug("update_rss_feed: unfiltered tags found:");
                //print_r($entry_tags);
            }
            # sanitize content
            $entry_content = sanitize_article_content($entry_content);
            $entry_title = sanitize_article_content($entry_title);
            if ($debug_enabled) {
                _debug("update_rss_feed: done collecting data [TITLE:{$entry_title}]");
            }
            db_query($link, "BEGIN");
            if (db_num_rows($result) == 0) {
                if ($debug_enabled) {
                    _debug("update_rss_feed: base guid not found");
                }
                // base post entry does not exist, create it
                $result = db_query($link, "INSERT INTO ttrss_entries\n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_updated,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}',\n\t\t\t\t\t\t\t'{$entry_guid}',\n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t'{$entry_content}',\n\t\t\t\t\t\t\t'{$content_hash}',\n\t\t\t\t\t\t\t{$no_orig_date},\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_author}')");
            } else {
                // we keep encountering the entry in feeds, so we need to
                // update date_updated column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
            }
            // now it should exist, if not - bad luck then
            $result = db_query($link, "SELECT\n\t\t\t\t\t\tid,content_hash,no_orig_date,title,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(date_updated,1,19) as date_updated,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,19) as updated,\n\t\t\t\t\t\tnum_comments\n\t\t\t\t\tFROM\n\t\t\t\t\t\tttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                if ($debug_enabled) {
                    _debug("update_rss_feed: base guid found, checking for user record");
                }
                // this will be used below in update handler
                $orig_content_hash = db_fetch_result($result, 0, "content_hash");
                $orig_title = db_fetch_result($result, 0, "title");
                $orig_num_comments = db_fetch_result($result, 0, "num_comments");
                $orig_date_updated = strtotime(db_fetch_result($result, 0, "date_updated"));
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                /* Collect article tags here so we could filter by them: */
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags);
                if ($debug_enabled) {
                    _debug("update_rss_feed: article filters: ");
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query($link, "COMMIT");
                    // close transaction in progress
                    continue;
                }
                $score = calculate_article_score($article_filters);
                if ($debug_enabled) {
                    _debug("update_rss_feed: initial score: {$score}");
                }
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($link, $query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    if ($debug_enabled) {
                        _debug("update_rss_feed: user record not found, creating...");
                    }
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    // N-grams
                    if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
                        $result = db_query($link, "SELECT COUNT(*) AS similar FROM\n\t\t\t\t\t\t\t\t\tttrss_entries,ttrss_user_entries\n\t\t\t\t\t\t\t\tWHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'\n\t\t\t\t\t\t\t\t\tAND similarity(title, '{$entry_title}') >= " . _NGRAM_TITLE_DUPLICATE_THRESHOLD . "\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                        $ngram_similar = db_fetch_result($result, 0, "similar");
                        if ($debug_enabled) {
                            _debug("update_rss_feed: N-gram similar results: {$ngram_similar}");
                        }
                        if ($ngram_similar > 0) {
                            $unread = 'false';
                        }
                    }
                    $result = db_query($link, "INSERT INTO ttrss_user_entries\n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked,\n\t\t\t\t\t\t\t\t\tpublished, score, tag_cache, label_cache, uuid)\n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '', '')");
                    if (PUBSUBHUBBUB_HUB && $published == 'true') {
                        $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key($link, -2, false, $owner_uid);
                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                        $pubsub_result = $p->publish_update($rss_link);
                    }
                    $result = db_query($link, "SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    if ($debug_enabled) {
                        _debug("update_rss_feed: user record FOUND");
                    }
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                if ($debug_enabled) {
                    _debug("update_rss_feed: RID: {$entry_ref_id}, IID: {$entry_int_id}");
                }
                $post_needs_update = false;
                $update_insignificant = false;
                if ($orig_num_comments != $num_comments) {
                    $post_needs_update = true;
                    $update_insignificant = true;
                }
                if ($content_hash != $orig_content_hash) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                if (db_escape_string($orig_title) != $entry_title) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                // if post needs update, update it and mark all user entries
                // linking to this post as updated
                if ($post_needs_update) {
                    if (defined('DAEMON_EXTENDED_DEBUG')) {
                        _debug("update_rss_feed: post {$entry_guid} needs update...");
                    }
                    //						print "<!-- post $orig_title needs update : $post_needs_update -->";
                    db_query($link, "UPDATE ttrss_entries\n\t\t\t\t\t\t\tSET title = '{$entry_title}', content = '{$entry_content}',\n\t\t\t\t\t\t\t\tcontent_hash = '{$content_hash}',\n\t\t\t\t\t\t\t\tupdated = '{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t\tnum_comments = '{$num_comments}'\n\t\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                    if (!$update_insignificant) {
                        if ($mark_unread_on_update) {
                            db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                        } else {
                            if ($update_on_checksum_change) {
                                db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\t\t\t\t\t\tSET last_read = null WHERE ref_id = '{$ref_id}'\n\t\t\t\t\t\t\t\t\t\tAND unread = false");
                            }
                        }
                    }
                }
            }
            db_query($link, "COMMIT");
            if ($debug_enabled) {
                _debug("update_rss_feed: assigning labels...");
            }
            assign_article_to_labels($link, $entry_ref_id, $article_filters, $owner_uid);
            if ($debug_enabled) {
                _debug("update_rss_feed: looking for enclosures...");
            }
            // enclosures
            $enclosures = array();
            if ($use_simplepie) {
                $encs = $item->get_enclosures();
                if (is_array($encs)) {
                    foreach ($encs as $e) {
                        $e_item = array($e->link, $e->type, $e->length);
                        array_push($enclosures, $e_item);
                    }
                }
            } else {
                // <enclosure>
                $e_ctr = $item['enclosure#'];
                if ($e_ctr > 0) {
                    $e_item = array($item['enclosure@url'], $item['enclosure@type'], $item['enclosure@length']);
                    array_push($enclosures, $e_item);
                    for ($i = 0; $i <= $e_ctr; $i++) {
                        if ($item["enclosure#{$i}@url"]) {
                            $e_item = array($item["enclosure#{$i}@url"], $item["enclosure#{$i}@type"], $item["enclosure#{$i}@length"]);
                            array_push($enclosures, $e_item);
                        }
                    }
                }
                // <media:content>
                // can there be many of those? yes -fox
                $m_ctr = $item['media']['content#'];
                if ($m_ctr > 0) {
                    $e_item = array($item['media']['content@url'], $item['media']['content@medium'], $item['media']['content@length']);
                    array_push($enclosures, $e_item);
                    for ($i = 0; $i <= $m_ctr; $i++) {
                        if ($item["media"]["content#{$i}@url"]) {
                            $e_item = array($item["media"]["content#{$i}@url"], $item["media"]["content#{$i}@medium"], $item["media"]["content#{$i}@length"]);
                            array_push($enclosures, $e_item);
                        }
                    }
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: article enclosures:");
                print_r($enclosures);
            }
            db_query($link, "BEGIN");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $result = db_query($link, "SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query($link, "INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '', '{$enc_dur}', '{$entry_ref_id}')");
                }
            }
            db_query($link, "COMMIT");
            // check for manual tags (we have to do it here since they're loaded from filters)
            foreach ($article_filters as $f) {
                if ($f["type"] == "tag") {
                    $manual_tags = trim_array(explode(",", $f["param"]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            // Skip boring tags
            $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link, 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            $filtered_tags = array();
            $tags_to_cache = array();
            if ($entry_tags && is_array($entry_tags)) {
                foreach ($entry_tags as $tag) {
                    if (array_search($tag, $boring_tags) === false) {
                        array_push($filtered_tags, $tag);
                    }
                }
            }
            $filtered_tags = array_unique($filtered_tags);
            if ($debug_enabled) {
                _debug("update_rss_feed: filtered article tags:");
                print_r($filtered_tags);
            }
            // Save article tags in the database
            if (count($filtered_tags) > 0) {
                db_query($link, "BEGIN");
                foreach ($filtered_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query($link, "SELECT id FROM ttrss_tags\n\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    if ($result && db_num_rows($result) == 0) {
                        db_query($link, "INSERT INTO ttrss_tags\n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                    array_push($tags_to_cache, $tag);
                }
                /* update the cache */
                $tags_to_cache = array_unique($tags_to_cache);
                $tags_str = db_escape_string(join(",", $tags_to_cache));
                db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                db_query($link, "COMMIT");
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: article processed");
            }
        }
        if (!$last_updated) {
            if ($debug_enabled) {
                _debug("update_rss_feed: new feed, catching it up...");
            }
            catchup_feed($link, $feed, false, $owner_uid);
        }
        if ($debug_enabled) {
            _debug("purging feed...");
        }
        purge_feed($link, $feed, 0, $debug_enabled);
        db_query($link, "UPDATE ttrss_feeds\n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query($link, "COMMIT");
    } else {
        if ($use_simplepie) {
            $error_msg = mb_substr($rss->error(), 0, 250);
        } else {
            $error_msg = mb_substr(magpie_error(), 0, 250);
        }
        if ($debug_enabled) {
            _debug("update_rss_feed: error fetching feed: {$error_msg}");
        }
        $error_msg = db_escape_string($error_msg);
        db_query($link, "UPDATE ttrss_feeds SET last_error = '{$error_msg}',\n\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
    }
    if ($use_simplepie) {
        unset($rss);
    }
    if ($debug_enabled) {
        _debug("update_rss_feed: done");
    }
}
function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false, $override_url = false)
{
    require_once "lib/simplepie/simplepie.inc";
    $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
    if ($debug_enabled) {
        _debug("update_rss_feed: start");
    }
    $result = db_query($link, "SELECT id,update_interval,auth_login,\n\t\t\tfeed_url,auth_pass,cache_images,last_updated,\n\t\t\tmark_unread_on_update, owner_uid,\n\t\t\tpubsub_state\n\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    if (db_num_rows($result) == 0) {
        if ($debug_enabled) {
            _debug("update_rss_feed: feed {$feed} NOT FOUND/SKIPPED");
        }
        return false;
    }
    $last_updated = db_fetch_result($result, 0, "last_updated");
    $owner_uid = db_fetch_result($result, 0, "owner_uid");
    $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
    $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
    db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($result, 0, "auth_login");
    $auth_pass = db_fetch_result($result, 0, "auth_pass");
    $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
    $fetch_url = db_fetch_result($result, 0, "feed_url");
    $feed = db_escape_string($feed);
    /* if ($auth_login && $auth_pass ){
    			$url_parts = array();
    			preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
    
    			if ($url_parts[1] && $url_parts[2]) {
    				$fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
    			}
    		} */
    if ($override_url) {
        $fetch_url = $override_url;
    }
    if ($debug_enabled) {
        _debug("update_rss_feed: fetching [{$fetch_url}]...");
    }
    // Ignore cache if new feed or manual update.
    $cache_age = is_null($last_updated) || $last_updated == '1970-01-01 00:00:00' ? -1 : get_feed_update_interval($link, $feed) * 60;
    $simplepie_cache_dir = CACHE_DIR . "/simplepie";
    if (!is_dir($simplepie_cache_dir)) {
        mkdir($simplepie_cache_dir);
    }
    $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? 15 : 45);
    if (!$feed_data) {
        global $fetch_last_error;
        if ($debug_enabled) {
            _debug("update_rss_feed: unable to fetch: {$fetch_last_error}");
        }
        $error_escaped = db_escape_string($fetch_last_error);
        db_query($link, "UPDATE ttrss_feeds SET last_error = '{$error_escaped}',\n\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
        return;
    }
    $pluginhost = new PluginHost($link);
    $pluginhost->set_debug($debug_enabled);
    $user_plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid);
    $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL);
    $pluginhost->load($user_plugins, $pluginhost::KIND_USER, $owner_uid);
    $pluginhost->load_data();
    foreach ($pluginhost->get_hooks($pluginhost::HOOK_FEED_FETCHED) as $plugin) {
        $feed_data = $plugin->hook_feed_fetched($feed_data);
    }
    if ($debug_enabled) {
        _debug("update_rss_feed: fetch done, parsing...");
    }
    $rss = new SimplePie();
    $rss->set_sanitize_class("SanitizeDummy");
    // simplepie ignores the above and creates default sanitizer anyway,
    // so let's override it...
    $rss->sanitize = new SanitizeDummy();
    $rss->set_output_encoding('UTF-8');
    $rss->set_raw_data($feed_data);
    if ($debug_enabled) {
        _debug("feed update interval (sec): " . get_feed_update_interval($link, $feed) * 60);
    }
    $rss->enable_cache(!$no_cache);
    if (!$no_cache) {
        $rss->set_cache_location($simplepie_cache_dir);
        $rss->set_cache_duration($cache_age);
    }
    @$rss->init();
    //		print_r($rss);
    $feed = db_escape_string($feed);
    if (!$rss->error()) {
        // We use local pluginhost here because we need to load different per-user feed plugins
        $pluginhost->run_hooks($pluginhost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
        if ($debug_enabled) {
            _debug("update_rss_feed: processing feed data...");
        }
        //			db_query($link, "BEGIN");
        if (DB_TYPE == "pgsql") {
            $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
        } else {
            $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
        }
        $result = db_query($link, "SELECT title,site_url,owner_uid,\n\t\t\t\t(favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n\t\t\t\t\t\tfavicon_needs_check\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $registered_title = db_fetch_result($result, 0, "title");
        $orig_site_url = db_fetch_result($result, 0, "site_url");
        $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check"));
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
        if ($debug_enabled) {
            _debug("update_rss_feed: checking favicon...");
        }
        if ($favicon_needs_check) {
            check_feed_favicon($site_url, $feed, $link);
            db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n\t\t\t\t\tWHERE id = '{$feed}'");
        }
        if (!$registered_title || $registered_title == "[Unknown]") {
            $feed_title = db_escape_string($rss->get_title());
            if ($debug_enabled) {
                _debug("update_rss_feed: registering title: {$feed_title}");
            }
            db_query($link, "UPDATE ttrss_feeds SET\n\t\t\t\t\ttitle = '{$feed_title}' WHERE id = '{$feed}'");
        }
        if ($site_url && $orig_site_url != $site_url) {
            db_query($link, "UPDATE ttrss_feeds SET\n\t\t\t\t\tsite_url = '{$site_url}' WHERE id = '{$feed}'");
        }
        if ($debug_enabled) {
            _debug("update_rss_feed: loading filters & labels...");
        }
        $filters = load_filters($link, $feed, $owner_uid);
        $labels = get_all_labels($link, $owner_uid);
        if ($debug_enabled) {
            //print_r($filters);
            _debug("update_rss_feed: " . count($filters) . " filters loaded.");
        }
        $items = $rss->get_items();
        if (!is_array($items)) {
            if ($debug_enabled) {
                _debug("update_rss_feed: no articles found.");
            }
            db_query($link, "UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            if ($debug_enabled) {
                _debug("update_rss_feed: checking for PUSH hub...");
            }
            $feed_hub_url = false;
            $links = $rss->get_links('hub');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_hub_url = $l;
                    break;
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: feed hub url: {$feed_hub_url}");
            }
            if ($feed_hub_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($fetch_url);
                if ($debug_enabled) {
                    _debug("update_rss_feed: feed hub url found, subscribe request sent.");
                }
                db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1\n\t\t\t\t\t\tWHERE id = '{$feed}'");
            }
        }
        if ($debug_enabled) {
            _debug("update_rss_feed: processing articles...");
        }
        foreach ($items as $item) {
            if ($_REQUEST['xdebug'] == 3) {
                print_r($item);
            }
            $entry_guid = $item->get_id();
            if (!$entry_guid) {
                $entry_guid = $item->get_link();
            }
            if (!$entry_guid) {
                $entry_guid = make_guid_from_title($item->get_title());
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: guid {$entry_guid}");
            }
            if (!$entry_guid) {
                continue;
            }
            $entry_guid = "{$owner_uid},{$entry_guid}";
            $entry_timestamp = "";
            $entry_timestamp = strtotime($item->get_date());
            if ($entry_timestamp == -1 || !$entry_timestamp) {
                $entry_timestamp = time();
                $no_orig_date = 'true';
            } else {
                $no_orig_date = 'false';
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            if ($debug_enabled) {
                _debug("update_rss_feed: date {$entry_timestamp} [{$entry_timestamp_fmt}]");
            }
            $entry_title = $item->get_title();
            $entry_link = rewrite_relative_url($site_url, $item->get_link());
            if ($debug_enabled) {
                _debug("update_rss_feed: title {$entry_title}");
                _debug("update_rss_feed: link {$entry_link}");
            }
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_content = $item->get_content();
            if (!$entry_content) {
                $entry_content = $item->get_description();
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "update_rss_feed: content: ";
                print $entry_content;
                print "\n";
            }
            $entry_comments = $item->data["comments"];
            if ($item->get_author()) {
                $entry_author_item = $item->get_author();
                $entry_author = $entry_author_item->get_name();
                if (!$entry_author) {
                    $entry_author = $entry_author_item->get_email();
                }
                $entry_author = db_escape_string($entry_author);
            }
            $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
            $entry_comments = db_escape_string(mb_substr($entry_comments, 0, 245));
            $entry_author = db_escape_string(mb_substr($entry_author, 0, 245));
            $num_comments = $item->get_item_tags('http://purl.org/rss/1.0/modules/slash/', 'comments');
            if (is_array($num_comments) && is_array($num_comments[0])) {
                $num_comments = (int) $num_comments[0]["data"];
            } else {
                $num_comments = 0;
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: num_comments: {$num_comments}");
                _debug("update_rss_feed: looking for tags [1]...");
            }
            // parse <category> entries into tags
            $additional_tags = array();
            $additional_tags_src = $item->get_categories();
            if (is_array($additional_tags_src)) {
                foreach ($additional_tags_src as $tobj) {
                    array_push($additional_tags, $tobj->get_term());
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: category tags:");
                print_r($additional_tags);
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: looking for tags [2]...");
            }
            $entry_tags = array_unique($additional_tags);
            for ($i = 0; $i < count($entry_tags); $i++) {
                $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
            }
            if ($debug_enabled) {
                //_debug("update_rss_feed: unfiltered tags found:");
                //print_r($entry_tags);
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: done collecting data.");
            }
            // TODO: less memory-hungry implementation
            if ($debug_enabled) {
                _debug("update_rss_feed: applying plugin filters..");
            }
            // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?)
            $result = db_query($link, "SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries\n\t\t\t\t\tWHERE ref_id = id AND guid = '" . db_escape_string($entry_guid) . "' AND owner_uid = {$owner_uid}");
            if (db_num_rows($result) != 0) {
                $entry_plugin_data = db_fetch_result($result, 0, "plugin_data");
                $stored_article = array("title" => db_fetch_result($result, 0, "title"), "content" => db_fetch_result($result, 0, "content"), "link" => db_fetch_result($result, 0, "link"), "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")), "author" => db_fetch_result($result, 0, "author"));
            } else {
                $entry_plugin_data = "";
                $stored_article = array();
            }
            $article = array("owner_uid" => $owner_uid, "guid" => $entry_guid, "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "tags" => $entry_tags, "plugin_data" => $entry_plugin_data, "author" => $entry_author, "stored" => $stored_article);
            foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_FILTER) as $plugin) {
                $article = $plugin->hook_article_filter($article);
            }
            $entry_tags = $article["tags"];
            $entry_guid = db_escape_string($entry_guid);
            $entry_content = db_escape_string($article["content"], false);
            $entry_title = db_escape_string($article["title"]);
            $entry_author = db_escape_string($article["author"]);
            $entry_link = db_escape_string($article["link"]);
            $entry_plugin_data = db_escape_string($article["plugin_data"]);
            if ($debug_enabled) {
                _debug("update_rss_feed: plugin data: {$entry_plugin_data}");
            }
            if ($cache_images && is_writable(CACHE_DIR . '/images')) {
                $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
            }
            $content_hash = "SHA1:" . sha1($entry_content);
            db_query($link, "BEGIN");
            $result = db_query($link, "SELECT id FROM\tttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            if (db_num_rows($result) == 0) {
                if ($debug_enabled) {
                    _debug("update_rss_feed: base guid [{$entry_guid}] not found");
                }
                // base post entry does not exist, create it
                $result = db_query($link, "INSERT INTO ttrss_entries\n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tcached_content,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_updated,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tplugin_data,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}',\n\t\t\t\t\t\t\t'{$entry_guid}',\n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t'{$entry_content}',\n\t\t\t\t\t\t\t'{$content_hash}',\n\t\t\t\t\t\t\t'',\n\t\t\t\t\t\t\t{$no_orig_date},\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_plugin_data}',\n\t\t\t\t\t\t\t'{$entry_author}')");
                $article_labels = array();
            } else {
                // we keep encountering the entry in feeds, so we need to
                // update date_updated column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
                $article_labels = get_article_labels($link, $base_entry_id, $owner_uid);
            }
            // now it should exist, if not - bad luck then
            $result = db_query($link, "SELECT\n\t\t\t\t\t\tid,content_hash,no_orig_date,title,plugin_data,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(date_updated,1,19) as date_updated,\n\t\t\t\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,19) as updated,\n\t\t\t\t\t\tnum_comments\n\t\t\t\t\tFROM\n\t\t\t\t\t\tttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                if ($debug_enabled) {
                    _debug("update_rss_feed: base guid [{$entry_guid}] found, checking for user record");
                }
                // this will be used below in update handler
                $orig_content_hash = db_fetch_result($result, 0, "content_hash");
                $orig_title = db_fetch_result($result, 0, "title");
                $orig_num_comments = db_fetch_result($result, 0, "num_comments");
                $orig_date_updated = strtotime(db_fetch_result($result, 0, "date_updated"));
                $orig_plugin_data = db_fetch_result($result, 0, "plugin_data");
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                /* Collect article tags here so we could filter by them: */
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags);
                if ($debug_enabled) {
                    _debug("update_rss_feed: article filters: ");
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query($link, "COMMIT");
                    // close transaction in progress
                    continue;
                }
                $score = calculate_article_score($article_filters);
                if ($debug_enabled) {
                    _debug("update_rss_feed: initial score: {$score}");
                }
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($link, $query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    if ($debug_enabled) {
                        _debug("update_rss_feed: user record not found, creating...");
                    }
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    // N-grams
                    if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
                        $result = db_query($link, "SELECT COUNT(*) AS similar FROM\n\t\t\t\t\t\t\t\t\tttrss_entries,ttrss_user_entries\n\t\t\t\t\t\t\t\tWHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'\n\t\t\t\t\t\t\t\t\tAND similarity(title, '{$entry_title}') >= " . _NGRAM_TITLE_DUPLICATE_THRESHOLD . "\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                        $ngram_similar = db_fetch_result($result, 0, "similar");
                        if ($debug_enabled) {
                            _debug("update_rss_feed: N-gram similar results: {$ngram_similar}");
                        }
                        if ($ngram_similar > 0) {
                            $unread = 'false';
                        }
                    }
                    $result = db_query($link, "INSERT INTO ttrss_user_entries\n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked,\n\t\t\t\t\t\t\t\t\tpublished, score, tag_cache, label_cache, uuid)\n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '', '')");
                    if (PUBSUBHUBBUB_HUB && $published == 'true') {
                        $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key($link, -2, false, $owner_uid);
                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                        $pubsub_result = $p->publish_update($rss_link);
                    }
                    $result = db_query($link, "SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    if ($debug_enabled) {
                        _debug("update_rss_feed: user record FOUND");
                    }
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                if ($debug_enabled) {
                    _debug("update_rss_feed: RID: {$entry_ref_id}, IID: {$entry_int_id}");
                }
                $post_needs_update = false;
                $update_insignificant = false;
                if ($orig_num_comments != $num_comments) {
                    $post_needs_update = true;
                    $update_insignificant = true;
                }
                if ($entry_plugin_data != $orig_plugin_data) {
                    $post_needs_update = true;
                    $update_insignificant = true;
                }
                if ($content_hash != $orig_content_hash) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                if (db_escape_string($orig_title) != $entry_title) {
                    $post_needs_update = true;
                    $update_insignificant = false;
                }
                // if post needs update, update it and mark all user entries
                // linking to this post as updated
                if ($post_needs_update) {
                    if (defined('DAEMON_EXTENDED_DEBUG')) {
                        _debug("update_rss_feed: post {$entry_guid} needs update...");
                    }
                    //						print "<!-- post $orig_title needs update : $post_needs_update -->";
                    db_query($link, "UPDATE ttrss_entries\n\t\t\t\t\t\t\tSET title = '{$entry_title}', content = '{$entry_content}',\n\t\t\t\t\t\t\t\tcontent_hash = '{$content_hash}',\n\t\t\t\t\t\t\t\tupdated = '{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t\tnum_comments = '{$num_comments}',\n\t\t\t\t\t\t\t\tplugin_data = '{$entry_plugin_data}'\n\t\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                    if (!$update_insignificant) {
                        if ($mark_unread_on_update) {
                            db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                        }
                    }
                }
            }
            db_query($link, "COMMIT");
            if ($debug_enabled) {
                _debug("update_rss_feed: assigning labels...");
            }
            assign_article_to_label_filters($link, $entry_ref_id, $article_filters, $owner_uid, $article_labels);
            if ($debug_enabled) {
                _debug("update_rss_feed: looking for enclosures...");
            }
            // enclosures
            $enclosures = array();
            $encs = $item->get_enclosures();
            if (is_array($encs)) {
                foreach ($encs as $e) {
                    $e_item = array($e->link, $e->type, $e->length);
                    array_push($enclosures, $e_item);
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: article enclosures:");
                print_r($enclosures);
            }
            db_query($link, "BEGIN");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $result = db_query($link, "SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query($link, "INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '', '{$enc_dur}', '{$entry_ref_id}')");
                }
            }
            db_query($link, "COMMIT");
            // check for manual tags (we have to do it here since they're loaded from filters)
            foreach ($article_filters as $f) {
                if ($f["type"] == "tag") {
                    $manual_tags = trim_array(explode(",", $f["param"]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            // Skip boring tags
            $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link, 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            $filtered_tags = array();
            $tags_to_cache = array();
            if ($entry_tags && is_array($entry_tags)) {
                foreach ($entry_tags as $tag) {
                    if (array_search($tag, $boring_tags) === false) {
                        array_push($filtered_tags, $tag);
                    }
                }
            }
            $filtered_tags = array_unique($filtered_tags);
            if ($debug_enabled) {
                _debug("update_rss_feed: filtered article tags:");
                print_r($filtered_tags);
            }
            // Save article tags in the database
            if (count($filtered_tags) > 0) {
                db_query($link, "BEGIN");
                foreach ($filtered_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query($link, "SELECT id FROM ttrss_tags\n\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    if ($result && db_num_rows($result) == 0) {
                        db_query($link, "INSERT INTO ttrss_tags\n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                    array_push($tags_to_cache, $tag);
                }
                /* update the cache */
                $tags_to_cache = array_unique($tags_to_cache);
                $tags_str = db_escape_string(join(",", $tags_to_cache));
                db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                db_query($link, "COMMIT");
            }
            if (get_pref($link, "AUTO_ASSIGN_LABELS", $owner_uid, false)) {
                if ($debug_enabled) {
                    _debug("update_rss_feed: auto-assigning labels...");
                }
                foreach ($labels as $label) {
                    $caption = $label["caption"];
                    if (preg_match("/\\b{$caption}\\b/i", "{$tags_str} " . strip_tags($entry_content) . " {$entry_title}")) {
                        if (!labels_contains_caption($article_labels, $caption)) {
                            label_add_article($link, $entry_ref_id, $caption, $owner_uid);
                        }
                    }
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: article processed");
            }
        }
        if (!$last_updated) {
            if ($debug_enabled) {
                _debug("update_rss_feed: new feed, catching it up...");
            }
            catchup_feed($link, $feed, false, $owner_uid);
        }
        if ($debug_enabled) {
            _debug("purging feed...");
        }
        purge_feed($link, $feed, 0, $debug_enabled);
        db_query($link, "UPDATE ttrss_feeds\n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query($link, "COMMIT");
    } else {
        $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
        if ($debug_enabled) {
            _debug("update_rss_feed: error fetching feed: {$error_msg}");
        }
        db_query($link, "UPDATE ttrss_feeds SET last_error = '{$error_msg}',\n\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
    }
    unset($rss);
    if ($debug_enabled) {
        _debug("update_rss_feed: done");
    }
}