Exemplo n.º 1
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);
    $result = db_query("SELECT id,update_interval,auth_login,\n        feed_url,auth_pass,cache_images,\n        mark_unread_on_update, owner_uid,\n        pubsub_state, auth_pass_encrypted,\n        (SELECT max(date_entered) FROM\n            ttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '{$feed}') AS last_article_timestamp\n        FROM 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() WHERE 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);
    $pluginhost->load_data();
    if ($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.", $debug_enabled);
            /* if ($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) $feed_data = '';
                                }
                            }
                        } */
            // cache vanilla feed data for re-use
            if ($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                    last_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();
    }
    if (DETECT_ARTICLE_LANGUAGE) {
        require_once "lib/languagedetect/LanguageDetect.php";
        $lang = new Text_LanguageDetect();
        $lang->setNameMode(2);
    }
    //print_r($rss);
    $feed = db_escape_string($feed);
    if ($rss->error()) {
        $error_msg = db_escape_string(mb_substr($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 = '{$error_msg}',\n            last_updated = NOW() WHERE id = '{$feed}'");
        unset($rss);
        _debug("done", $debug_enabled);
        return $rss;
    }
    // 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)";
    }
    $result = db_query("SELECT title,site_url,owner_uid,favicon_avg_color,\n        (favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n            favicon_needs_check\n        FROM 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") && $favicon_avg_color == '') {
            require_once "colors.php";
            db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail'\n                WHERE id = '{$feed}'");
            $favicon_color = db_escape_string(calculate_avg_color($favicon_file));
            $favicon_colorstring = ",favicon_avg_color = '" . $favicon_color . "'";
        } elseif ($favicon_avg_color == 'fail') {
            _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
        }
        db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n            {$favicon_colorstring}\n            WHERE id = '{$feed}'");
    }
    if (!$registered_title || $registered_title == "[Unknown]") {
        $feed_title = db_escape_string(mb_substr($rss->get_title(), 0, 199));
        if ($feed_title) {
            _debug("registering title: {$feed_title}", $debug_enabled);
            db_query("UPDATE ttrss_feeds\n                SET title = '{$feed_title}'\n                WHERE id = '{$feed}'");
        }
    }
    if ($site_url && $orig_site_url != $site_url) {
        db_query("UPDATE ttrss_feeds\n            SET site_url = '{$site_url}'\n            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.", $debug_enabled);
        db_query("UPDATE ttrss_feeds\n            SET last_updated = NOW(), last_error = ''\n            WHERE id = '{$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}]", $debug_enabled);
            db_query("UPDATE ttrss_feeds SET pubsub_state = 1 WHERE id = '{$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());
        }
        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_language = "";
        if (DETECT_ARTICLE_LANGUAGE) {
            $entry_language = $lang->detect($entry_title . " " . $entry_content, 1);
            if (count($entry_language) > 0) {
                $possible = array_keys($entry_language);
                $entry_language = $possible[0];
                _debug("detected language: {$entry_language}", $debug_enabled);
            } else {
                $entry_language = "";
            }
        }
        $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);
        $result = db_query("SELECT id, content_hash FROM ttrss_entries\n            WHERE guid = '" . db_escape_string($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");
        } else {
            $base_entry_id = false;
            $entry_stored_hash = "";
        }
        $article = array("owner_uid" => $owner_uid, "guid" => $entry_guid, "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "tags" => $entry_tags, "author" => $entry_author, "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                WHERE 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);
        $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 = $article["content"];
        // escaped below
        if ($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");
        $result = db_query("SELECT id FROM    ttrss_entries\n            WHERE (guid = '{$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
            $result = db_query("INSERT INTO ttrss_entries\n                    (title,\n                    guid,\n                    link,\n                    updated,\n                    content,\n                    content_hash,\n                    no_orig_date,\n                    date_updated,\n                    date_entered,\n                    comments,\n                    num_comments,\n                    plugin_data,\n                    lang,\n                    author)\n                VALUES\n                    ('{$entry_title}',\n                    '{$entry_guid_hashed}',\n                    '{$entry_link}',\n                    '{$entry_timestamp_fmt}',\n                    '{$entry_content}',\n                    '{$entry_current_hash}',\n                    false,\n                    NOW(),\n                    '{$date_feed_processed}',\n                    '{$entry_comments}',\n                    '{$num_comments}',\n                    '{$entry_plugin_data}',\n                    '{$entry_language}',\n                    '{$entry_author}')");
            $article_labels = array();
        } else {
            $base_entry_id = db_fetch_result($result, 0, "id");
            $article_labels = get_article_labels($base_entry_id, $owner_uid);
        }
        // now it should exist, if not - bad luck then
        $result = db_query("SELECT id FROM ttrss_entries\n            WHERE guid = '{$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);
            _debug("initial score: {$score}", $debug_enabled);
            $query = "SELECT ref_id, int_id FROM ttrss_user_entries\n                WHERE ref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n                {$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')) {
                    $result = db_query("SELECT COUNT(*) AS similar FROM\n                            ttrss_entries,ttrss_user_entries\n                        WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'\n                            AND similarity(title, '{$entry_title}') >= " . _NGRAM_TITLE_DUPLICATE_THRESHOLD . "\n                            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';
                $result = db_query("INSERT INTO ttrss_user_entries\n                        (ref_id, owner_uid, feed_id, unread, last_read, marked,\n                        published, score, tag_cache, label_cache, uuid,\n                        last_marked, last_published)\n                    VALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n                        {$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '',\n                        '', {$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);
                }
                $result = db_query("SELECT int_id FROM ttrss_user_entries WHERE\n                        ref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n                        feed_id = '{$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}", $debug_enabled);
            db_query("UPDATE ttrss_entries\n                SET title = '{$entry_title}',\n                    content = '{$entry_content}',\n                    content_hash = '{$entry_current_hash}',\n                    updated = '{$entry_timestamp_fmt}',\n                    num_comments = '{$num_comments}',\n                    plugin_data = '{$entry_plugin_data}',\n                    author = '{$entry_author}',\n                    lang = '{$entry_language}'\n                WHERE id = '{$ref_id}'");
            if ($mark_unread_on_update) {
                db_query("UPDATE ttrss_user_entries\n                    SET last_read = null, unread = true WHERE ref_id = '{$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, $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]);
            $result = db_query("SELECT id FROM ttrss_enclosures\n                WHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
            if (db_num_rows($result) == 0) {
                db_query("INSERT INTO ttrss_enclosures\n                    (content_url, content_type, title, duration, post_id, width, height) VALUES\n                    ('{$enc_url}', '{$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;
                }
                $result = db_query("SELECT id FROM ttrss_tags\n                    WHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n                    owner_uid = '{$owner_uid}' LIMIT 1");
                if ($result && db_num_rows($result) == 0) {
                    db_query("INSERT INTO ttrss_tags\n                        (owner_uid,tag_name,post_int_id)\n                        VALUES ('{$owner_uid}','{$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(",", $tags_to_cache));
            db_query("UPDATE ttrss_user_entries\n                SET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n                AND owner_uid = {$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) . " {$entry_title}") && !labels_contains_caption($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, $debug_enabled);
    db_query("UPDATE ttrss_feeds\n        SET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
    //db_query("COMMIT");
    _debug("done", $debug_enabled);
    return $rss;
}