wrap rssfuncs into rssutils class

1 files changed, 0 insertions, 1574 deletions

diff --git a/include/rssfuncs.php b/include/rssfuncs.php
deleted file mode 100644
index 33b6ff6e4..000000000
--- a/include/rssfuncs.php
+++ /dev/null
@@ -1,1574 +0,0 @@
-<?php
-	define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30);
-	define_default('DAEMON_FEED_LIMIT', 500);
-	define_default('DAEMON_SLEEP_INTERVAL', 120);
-	define_default('_MIN_CACHE_FILE_SIZE', 1024);
-
-	// TODO: this needs to be removed from global namespace into classes/RSS.php or something
-
-	function calculate_article_hash($article, $pluginhost) {
-		$tmp = "";
-
-		foreach ($article as $k => $v) {
-			if ($k != "feed" && isset($v)) {
-				$x = strip_tags(is_array($v) ? implode(",", $v) : $v);
-
-				//_debug("$k:" . sha1($x) . ":" . htmlspecialchars($x), true);
-
-				$tmp .= sha1("$k:" . sha1($x));
-			}
-		}
-
-		return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp);
-	}
-
-	function update_feedbrowser_cache() {
-
-		$result = db_query("SELECT feed_url, site_url, title, COUNT(id) AS subscribers
-			FROM ttrss_feeds WHERE feed_url NOT IN (SELECT feed_url FROM ttrss_feeds
-				WHERE private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%')
-				GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000");
-
-		db_query("BEGIN");
-
-		db_query("DELETE FROM ttrss_feedbrowser_cache");
-
-		$count = 0;
-
-		while ($line = db_fetch_assoc($result)) {
-			$subscribers = db_escape_string($line["subscribers"]);
-			$feed_url = db_escape_string($line["feed_url"]);
-			$title = db_escape_string($line["title"]);
-			$site_url = db_escape_string($line["site_url"]);
-
-			$tmp_result = db_query("SELECT subscribers FROM
-				ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
-
-			if (db_num_rows($tmp_result) == 0) {
-
-				db_query("INSERT INTO ttrss_feedbrowser_cache
-					(feed_url, site_url, title, subscribers) VALUES ('$feed_url',
-						'$site_url', '$title', '$subscribers')");
-
-				++$count;
-
-			}
-
-		}
-
-		db_query("COMMIT");
-
-		return $count;
-
-	}
-
-	function update_daemon_common($limit = DAEMON_FEED_LIMIT, $debug = true) {
-		// Process all other feeds using last_updated and interval parameters
-
-		$schema_version = get_schema_version();
-
-		if ($schema_version != SCHEMA_VERSION) {
-			die("Schema version is wrong, please upgrade the database.\n");
-		}
-
-		define('PREFS_NO_CACHE', true);
-
-		// Test if the user has loggued in recently. If not, it does not update its feeds.
-		if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) {
-			if (DB_TYPE == "pgsql") {
-				$login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
-			} else {
-				$login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
-			}
-		} else {
-			$login_thresh_qpart = "";
-		}
-
-		// Test if the feed need a update (update interval exceeded).
-		if (DB_TYPE == "pgsql") {
-			$update_limit_qpart = "AND ((
-					ttrss_feeds.update_interval = 0
-					AND ttrss_user_prefs.value != '-1'
-					AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
-				) OR (
-					ttrss_feeds.update_interval > 0
-					AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
-				) OR (ttrss_feeds.last_updated IS NULL
-					AND ttrss_user_prefs.value != '-1')
-				OR (last_updated = '1970-01-01 00:00:00'
-					AND ttrss_user_prefs.value != '-1'))";
-		} else {
-			$update_limit_qpart = "AND ((
-					ttrss_feeds.update_interval = 0
-					AND ttrss_user_prefs.value != '-1'
-					AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
-				) OR (
-					ttrss_feeds.update_interval > 0
-					AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
-				) OR (ttrss_feeds.last_updated IS NULL
-					AND ttrss_user_prefs.value != '-1')
-				OR (last_updated = '1970-01-01 00:00:00'
-					AND ttrss_user_prefs.value != '-1'))";
-		}
-
-		// Test if feed is currently being updated by another process.
-		if (DB_TYPE == "pgsql") {
-			$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '10 minutes')";
-		} else {
-			$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))";
-		}
-
-		// Test if there is a limit to number of updated feeds
-		$query_limit = "";
-		if($limit) $query_limit = sprintf("LIMIT %d", $limit);
-
-		// Update the least recently updated feeds first
-		$query_order = "ORDER BY last_updated";
-		if (DB_TYPE == "pgsql") $query_order .= " NULLS FIRST";
-
-		$query = "SELECT DISTINCT ttrss_feeds.feed_url, ttrss_feeds.last_updated
-			FROM
-				ttrss_feeds, ttrss_users, ttrss_user_prefs
-			WHERE
-				ttrss_feeds.owner_uid = ttrss_users.id
-				AND ttrss_user_prefs.profile IS NULL
-				AND ttrss_users.id = ttrss_user_prefs.owner_uid
-				AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
-				$login_thresh_qpart $update_limit_qpart
-				$updstart_thresh_qpart
-				$query_order $query_limit";
-
-		// We search for feed needing update.
-		$result = db_query($query);
-
-		if($debug) _debug(sprintf("Scheduled %d feeds to update...", db_num_rows($result)));
-
-		// Here is a little cache magic in order to minimize risk of double feed updates.
-		$feeds_to_update = array();
-		while ($line = db_fetch_assoc($result)) {
-			array_push($feeds_to_update, db_escape_string($line['feed_url']));
-		}
-
-		// We update the feed last update started date before anything else.
-		// There is no lag due to feed contents downloads
-		// It prevent an other process to update the same feed.
-
-		if(count($feeds_to_update) > 0) {
-			$feeds_quoted = array();
-
-			foreach ($feeds_to_update as $feed) {
-				array_push($feeds_quoted, "'" . db_escape_string($feed) . "'");
-			}
-
-			db_query(sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
-				WHERE feed_url IN (%s)", implode(',', $feeds_quoted)));
-		}
-
-		$nf = 0;
-		$bstarted = microtime(true);
-
-		$batch_owners = array();
-
-		// For each feed, we call the feed update function.
-		foreach ($feeds_to_update as $feed) {
-			if($debug) _debug("Base feed: $feed");
-
-			//update_rss_feed($line["id"], true);
-
-			// since we have the data cached, we can deal with other feeds with the same url
-
-			$tmp_result = db_query("SELECT DISTINCT ttrss_feeds.id,last_updated,ttrss_feeds.owner_uid
-			FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE
-				ttrss_user_prefs.owner_uid = ttrss_feeds.owner_uid AND
-				ttrss_users.id = ttrss_user_prefs.owner_uid AND
-				ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' AND
-				ttrss_user_prefs.profile IS NULL AND
-				feed_url = '".db_escape_string($feed)."'
-				$update_limit_qpart
-				$login_thresh_qpart
-			ORDER BY ttrss_feeds.id $query_limit");
-
-			if (db_num_rows($tmp_result) > 0) {
-				while ($tline = db_fetch_assoc($tmp_result)) {
-					if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"] . " " . $tline["owner_uid"]);
-
-					if (array_search($tline["owner_uid"], $batch_owners) === FALSE)
-						array_push($batch_owners, $tline["owner_uid"]);
-
-					$fstarted = microtime(true);
-					update_rss_feed($tline["id"], true, false);
-					_debug_suppress(false);
-
-					_debug(sprintf("    %.4f (sec)", microtime(true) - $fstarted));
-
-					++$nf;
-				}
-			}
-		}
-
-		if ($nf > 0) {
-			_debug(sprintf("Processed %d feeds in %.4f (sec), %.4f (sec/feed avg)", $nf,
-				microtime(true) - $bstarted, (microtime(true) - $bstarted) / $nf));
-		}
-
-		foreach ($batch_owners as $owner_uid) {
-			_debug("Running housekeeping tasks for user $owner_uid...");
-
-			housekeeping_user($owner_uid);
-		}
-
-		// Send feed digests by email if needed.
-		Digest::send_headlines_digests($debug);
-
-		return $nf;
-
-	}
-
-	// this is used when subscribing
-	function set_basic_feed_info($feed) {
-
-		$feed = db_escape_string($feed);
-
-		$result = db_query("SELECT feed_url,auth_pass,auth_login,auth_pass_encrypted
-					FROM ttrss_feeds WHERE id = '$feed'");
-
-		$auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result,
-			0, "auth_pass_encrypted"));
-
-		$auth_login = db_fetch_result($result, 0, "auth_login");
-		$auth_pass = db_fetch_result($result, 0, "auth_pass");
-
-		if ($auth_pass_encrypted && function_exists("mcrypt_decrypt")) {
-			require_once "crypt.php";
-			$auth_pass = decrypt_string($auth_pass);
-		}
-
-		$fetch_url = db_fetch_result($result, 0, "feed_url");
-
-		$feed_data = fetch_file_contents($fetch_url, false,
-			$auth_login, $auth_pass, false,
-			FEED_FETCH_TIMEOUT,
-			0);
-
-		global $fetch_curl_used;
-
-		if (!$fetch_curl_used) {
-			$tmp = @gzdecode($feed_data);
-
-			if ($tmp) $feed_data = $tmp;
-		}
-
-		$feed_data = trim($feed_data);
-
-		$rss = new FeedParser($feed_data);
-		$rss->init();
-
-		if (!$rss->error()) {
-
-			$result = db_query("SELECT title, site_url FROM ttrss_feeds WHERE id = '$feed'");
-
-			$registered_title = db_fetch_result($result, 0, "title");
-			$orig_site_url = db_fetch_result($result, 0, "site_url");
-
-			$site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
-			$feed_title = db_escape_string(mb_substr($rss->get_title(), 0, 199));
-
-			if ($feed_title && (!$registered_title || $registered_title == "[Unknown]")) {
-				db_query("UPDATE ttrss_feeds SET
-					title = '$feed_title' WHERE id = '$feed'");
-			}
-
-			if ($site_url && $orig_site_url != $site_url) {
-				db_query("UPDATE ttrss_feeds SET
-							site_url = '$site_url' WHERE id = '$feed'");
-			}
-		}
-	}
-
-	/**
-	  * @SuppressWarnings(PHPMD.UnusedFormalParameter)
-	*/
-	function update_rss_feed($feed, $no_cache = false) {
-
-		$debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
-
-		_debug_suppress(!$debug_enabled);
-		_debug("start", $debug_enabled);
-
-		$result = db_query("SELECT title FROM ttrss_feeds
-			WHERE id = '$feed'");
-
-		if (db_num_rows($result) == 0) {
-			_debug("feed $feed NOT FOUND/SKIPPED", $debug_enabled);
-			user_error("Attempt to update unknown/invalid feed $feed", E_USER_WARNING);
-			return false;
-		}
-
-		$title = db_fetch_result($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);
-		}
-
-		$result = db_query("SELECT id,update_interval,auth_login,
-			feed_url,auth_pass,cache_images,
-			mark_unread_on_update, owner_uid,
-			pubsub_state, auth_pass_encrypted,
-			feed_language
-			FROM ttrss_feeds WHERE id = '$feed'");
-
-		$owner_uid = db_fetch_result($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 && function_exists("mcrypt_decrypt")) {
-			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();
-
-		$rss_hash = false;
-
-		$force_refetch = isset($_REQUEST["force_refetch"]);
-		$feed_data = "";
-
-		foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) {
-			$feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, 0, $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);
-
-			if (ini_get("open_basedir") && function_exists("curl_init")) {
-				_debug("not using CURL due to open_basedir restrictions");
-			}
-
-			$feed_data = fetch_file_contents($fetch_url, false,
-				$auth_login, $auth_pass, false,
-				$no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT,
-				0);
-
-			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',
-					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);
-		}
-
-		$rss = new FeedParser($feed_data);
-		$rss->init();
-
-		$feed = db_escape_string($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,
-				(favicon_last_checked IS NULL OR $favicon_interval_qpart) AS
-						favicon_needs_check
-				FROM ttrss_feeds WHERE id = '$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") && $favicon_avg_color == '') {
-						require_once "colors.php";
-
-						db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE
-							id = '$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()
-					$favicon_colorstring
-					WHERE id = '$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.", $debug_enabled);
-
-				db_query("UPDATE ttrss_feeds
-					SET last_updated = NOW(), last_error = '' WHERE id = '$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";
-
-					$s = new Pubsubhubbub\Subscriber\Subscriber($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);
-
-			$tstart = time();
-
-			foreach ($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 htmlspecialchars($entry_content);
-					print "\n";
-				}
-
-				$entry_comments = db_escape_string(mb_substr($item->get_comments_url(), 0, 245));
-				$num_comments = (int) $item->get_comments_count();
-
-				$entry_author = $item->get_author(); // escaped later
-				$entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
-
-				_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);
-
-				$result = db_query("SELECT id, content_hash, lang FROM ttrss_entries
-					WHERE guid = '".db_escape_string($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");
-					$article_labels = Article::get_article_labels($base_entry_id, $owner_uid);
-					$entry_language = db_fetch_result($result, 0, "lang");
-
-					$existing_tags = Article::get_article_tags($base_entry_id, $owner_uid);
-					$entry_tags = array_unique(array_merge($entry_tags, $existing_tags));
-
-				} else {
-					$base_entry_id = false;
-					$entry_stored_hash = "";
-					$article_labels = array();
-					$entry_language = "";
-				}
-
-				$article = array("owner_uid" => $owner_uid, // read only
-					"guid" => $entry_guid, // read only
-					"guid_hashed" => $entry_guid_hashed, // read only
-					"title" => $entry_title,
-					"content" => $entry_content,
-					"link" => $entry_link,
-					"labels" => $article_labels, // current limitation: can add labels to article, can't remove them
-					"tags" => $entry_tags,
-					"author" => $entry_author,
-					"force_catchup" => false, // ugly hack for the time being
-					"score_modifier" => 0, // no previous value, plugin should recalculate score modifier based on content if needed
-					"language" => $entry_language,
-					"feed" => array("id" => $feed,
-						"fetch_url" => $fetch_url,
-						"site_url" => $site_url,
-						"cache_images" => $cache_images)
-					);
-
-				$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()
-						WHERE id = '$base_entry_id'");
-
-					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)) . ",";
-				}
-
-				if ($_REQUEST["xdebug"] == 2) {
-					print "processed content: ";
-					print htmlspecialchars($article["content"]);
-					print "\n";
-				}
-
-				$entry_plugin_data = db_escape_string($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 => $v) {
-
-						// i guess we'll have to take the risk of 4byte unicode labels & tags here
-						if (is_string($article[$k])) {
-							$article[$k] = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $v);
-						}
-					}
-				}
-
-				/* Collect article tags here so we could filter by them: */
-
-				$matched_rules = array();
-
-				$article_filters = get_article_filters($filters, $article["title"],
-					$article["content"], $article["link"], $article["author"],
-					$article["tags"], $matched_rules);
-
-				if ($debug_enabled) {
-					_debug("matched filter rules: ", $debug_enabled);
-
-					if (count($matched_rules) != 0) {
-						print_r($matched_rules);
-					}
-
-					_debug("filter actions: ", $debug_enabled);
-
-					if (count($article_filters) != 0) {
-						print_r($article_filters);
-					}
-				}
-
-				$plugin_filter_names = find_article_filters($article_filters, "plugin");
-				$plugin_filter_actions = $pluginhost->get_filter_actions();
-
-				if (count($plugin_filter_names) > 0) {
-					_debug("applying plugin filter actions...", $debug_enabled);
-
-					foreach ($plugin_filter_names as $pfn) {
-						list($pfclass,$pfaction) = explode(":", $pfn["param"]);
-
-						if (isset($plugin_filter_actions[$pfclass])) {
-							$plugin = $pluginhost->get_plugin($pfclass);
-
-							_debug("... $pfclass: $pfaction", $debug_enabled);
-
-							if ($plugin) {
-								$start = microtime(true);
-								$article = $plugin->hook_article_filter_action($article, $pfaction);
-
-								_debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled);
-							} else {
-								_debug("??? $pfclass: plugin object not found.");
-							}
-						} else {
-							_debug("??? $pfclass: filter plugin not registered.");
-						}
-					}
-				}
-
-				$entry_tags = $article["tags"];
-				$entry_guid = db_escape_string($entry_guid);
-				$entry_title = db_escape_string($article["title"]);
-				$entry_author = db_escape_string(mb_substr($article["author"], 0, 245));
-				$entry_link = db_escape_string($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:", $debug_enabled);
-
-					if (count($article_labels) != 0) {
-						print_r($article_labels);
-					}
-				}
-
-				_debug("force catchup: $entry_force_catchup");
-
-				if ($cache_images && is_writable(CACHE_DIR . '/images'))
-					cache_media($entry_content, $site_url, $debug_enabled);
-
-				$entry_content = db_escape_string($entry_content, false);
-
-				//db_query("BEGIN");
-
-				$result = db_query("SELECT id FROM	ttrss_entries
-					WHERE (guid = '$entry_guid' OR guid = '$entry_guid_hashed')");
-
-				if (db_num_rows($result) == 0) {
-
-					_debug("base guid [$entry_guid or $entry_guid_hashed] not found, creating...", $debug_enabled);
-
-					// base post entry does not exist, create it
-
-					db_query(
-						"INSERT INTO ttrss_entries
-							(title,
-							guid,
-							link,
-							updated,
-							content,
-							content_hash,
-							no_orig_date,
-							date_updated,
-							date_entered,
-							comments,
-							num_comments,
-							plugin_data,
-							lang,
-							author)
-						VALUES
-							('$entry_title',
-							'$entry_guid_hashed',
-							'$entry_link',
-							'$entry_timestamp_fmt',
-							'$entry_content',
-							'$entry_current_hash',
-							false,
-							NOW(),
-							'$date_feed_processed',
-							'$entry_comments',
-							'$num_comments',
-							'$entry_plugin_data',
-							'$entry_language',
-							'$entry_author')");
-
-				}
-
-				// now it should exist, if not - bad luck then
-
-				$result = db_query("SELECT id FROM ttrss_entries
-					WHERE guid = '$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 = '$ref_id'");
-					} */
-
-					if (find_article_filter($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);
-
-					// check for user post link to main table
-
-					$query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
-							ref_id = '$ref_id' AND owner_uid = '$owner_uid'";
-
-//					if ($_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';
-						}
-
-						$last_marked = ($marked == 'true') ? 'NOW()' : 'NULL';
-						$last_published = ($published == 'true') ? 'NOW()' : 'NULL';
-
-						$result = db_query(
-							"INSERT INTO ttrss_user_entries
-								(ref_id, owner_uid, feed_id, unread, last_read, marked,
-								published, score, tag_cache, label_cache, uuid,
-								last_marked, last_published)
-							VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
-								$last_read_qpart, $marked, $published, '$score', '', '',
-								'', $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 pubsubhubbub\publisher\Publisher(PUBSUBHUBBUB_HUB);
-
-							/* $pubsub_result = */ $p->publish_update($rss_link);
-						}
-
-						$result = db_query(
-							"SELECT int_id FROM ttrss_user_entries WHERE
-								ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
-								feed_id = '$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);
-
-					if (DB_TYPE == "pgsql") {
-					   $tsvector_combined = db_escape_string(mb_substr($entry_title . ' ' . strip_tags(str_replace('<', ' <', $entry_content)),
-							0, 1000000));
-
-						$tsvector_qpart = "tsvector_combined = to_tsvector('$feed_language', '$tsvector_combined'),";
-
-					} else {
-						$tsvector_qpart = "";
-					}
-
-					db_query("UPDATE ttrss_entries
-						SET title = '$entry_title',
-							content = '$entry_content',
-							content_hash = '$entry_current_hash',
-							updated = '$entry_timestamp_fmt',
-							$tsvector_qpart
-							num_comments = '$num_comments',
-							plugin_data = '$entry_plugin_data',
-							author = '$entry_author',
-							lang = '$entry_language'
-						WHERE id = '$ref_id'");
-
-					// update aux data
-					db_query("UPDATE ttrss_user_entries
-							SET score = '$score' WHERE ref_id = '$ref_id'");
-
-					if ($mark_unread_on_update) {
-						_debug("article updated, marking unread as requested.", $debug_enabled);
-
-						db_query("UPDATE ttrss_user_entries
-							SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
-					}
-				}
-
-				//db_query("COMMIT");
-
-				_debug("assigning labels [other]...", $debug_enabled);
-
-				foreach ($article_labels as $label) {
-					Labels::add_article($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) {
-						$e_item = array(
-							rewrite_relative_url($site_url, $e->link),
-							$e->type, $e->length, $e->title, $e->width, $e->height);
-						array_push($enclosures, $e_item);
-					}
-				}
-
-				if ($cache_images && is_writable(CACHE_DIR . '/images'))
-					cache_enclosures($enclosures, $site_url, $debug_enabled);
-
-				if ($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]);
-
-					$result = db_query("SELECT id FROM ttrss_enclosures
-						WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
-
-					if (db_num_rows($result) == 0) {
-						db_query("INSERT INTO ttrss_enclosures
-							(content_url, content_type, title, duration, post_id, width, height) VALUES
-							('$enc_url', '$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;
-
-						$result = db_query("SELECT id FROM ttrss_tags
-							WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
-							owner_uid = '$owner_uid' LIMIT 1");
-
-							if ($result && db_num_rows($result) == 0) {
-
-								db_query("INSERT INTO ttrss_tags
-									(owner_uid,tag_name,post_int_id)
-									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(",", $tags_to_cache));
-
-					db_query("UPDATE ttrss_user_entries
-						SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
-						AND owner_uid = $owner_uid");
-
-					//db_query("COMMIT");
-				}
-
-				_debug("article processed", $debug_enabled);
-			}
-
-			_debug("purging feed...", $debug_enabled);
-
-			purge_feed($feed, 0, $debug_enabled);
-
-			db_query("UPDATE ttrss_feeds
-				SET last_updated = NOW(), last_error = '' WHERE id = '$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',
-				last_updated = NOW() WHERE id = '$feed'");
-
-			unset($rss);
-			return;
-		}
-
-		_debug("done", $debug_enabled);
-
-		return true;
-	}
-
-	function cache_enclosures($enclosures, $site_url, $debug) {
-		foreach ($enclosures as $enc) {
-
-			if (preg_match("/(image|audio|video)/", $enc[1])) {
-
-				$src = rewrite_relative_url($site_url, $enc[0]);
-
-				$local_filename = CACHE_DIR . "/images/" . sha1($src);
-
-				if ($debug) _debug("cache_enclosures: downloading: $src to $local_filename");
-
-				if (!file_exists($local_filename)) {
-					$file_content = fetch_file_contents($src);
-
-					if ($file_content && strlen($file_content) > _MIN_CACHE_FILE_SIZE) {
-						file_put_contents($local_filename, $file_content);
-					}
-				} else {
-					touch($local_filename);
-				}
-			}
-		}
-	}
-
-	function cache_media($html, $site_url, $debug) {
-		libxml_use_internal_errors(true);
-
-		$charset_hack = '<head>
-			<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
-		</head>';
-
-		$doc = new DOMDocument();
-		$doc->loadHTML($charset_hack . $html);
-		$xpath = new DOMXPath($doc);
-
-		$entries = $xpath->query('(//img[@src])|(//video/source[@src])|(//audio/source[@src])');
-
-		foreach ($entries as $entry) {
-			if ($entry->hasAttribute('src') && strpos($entry->getAttribute('src'), "data:") !== 0) {
-				$src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
-
-				$local_filename = CACHE_DIR . "/images/" . sha1($src);
-
-				if ($debug) _debug("cache_media: downloading: $src to $local_filename");
-
-				if (!file_exists($local_filename)) {
-					$file_content = fetch_file_contents($src);
-
-					if ($file_content && strlen($file_content) > _MIN_CACHE_FILE_SIZE) {
-						file_put_contents($local_filename, $file_content);
-					}
-				} else {
-					touch($local_filename);
-				}
-			}
-		}
-	}
-
-	function expire_error_log($debug) {
-		if ($debug) _debug("Removing old error log entries...");
-
-		if (DB_TYPE == "pgsql") {
-			db_query("DELETE FROM ttrss_error_log
-				WHERE created_at < NOW() - INTERVAL '7 days'");
-		} else {
-			db_query("DELETE FROM ttrss_error_log
-				WHERE created_at < DATE_SUB(NOW(), INTERVAL 7 DAY)");
-		}
-
-	}
-
-	function expire_lock_files($debug) {
-		//if ($debug) _debug("Removing old lock files...");
-
-		$num_deleted = 0;
-
-		if (is_writable(LOCK_DIRECTORY)) {
-			$files = glob(LOCK_DIRECTORY . "/*.lock");
-
-			if ($files) {
-				foreach ($files as $file) {
-					if (!file_is_locked(basename($file)) && time() - filemtime($file) > 86400*2) {
-						unlink($file);
-						++$num_deleted;
-					}
-				}
-			}
-		}
-
-		if ($debug) _debug("Removed $num_deleted old lock files.");
-	}
-
-	function expire_cached_files($debug) {
-		foreach (array("simplepie", "images", "export", "upload") as $dir) {
-			$cache_dir = CACHE_DIR . "/$dir";
-
-//			if ($debug) _debug("Expiring $cache_dir");
-
-			$num_deleted = 0;
-
-			if (is_writable($cache_dir)) {
-				$files = glob("$cache_dir/*");
-
-				if ($files) {
-					foreach ($files as $file) {
-						if (time() - filemtime($file) > 86400*7) {
-							unlink($file);
-
-							++$num_deleted;
-						}
-					}
-				}
-			}
-
-			if ($debug) _debug("$cache_dir: removed $num_deleted files.");
-		}
-	}
-
-	/**
-	* Source: http://www.php.net/manual/en/function.parse-url.php#104527
-	* Returns the url query as associative array
-	*
-	* @param    string    query
-	* @return    array    params
-	*/
-	function convertUrlQuery($query) {
-		$queryParts = explode('&', $query);
-
-		$params = array();
-
-		foreach ($queryParts as $param) {
-			$item = explode('=', $param);
-			$params[$item[0]] = $item[1];
-		}
-
-		return $params;
-	}
-
-	function get_article_filters($filters, $title, $content, $link, $author, $tags, &$matched_rules = false) {
-		$matches = array();
-
-		foreach ($filters as $filter) {
-			$match_any_rule = $filter["match_any_rule"];
-			$inverse = $filter["inverse"];
-			$filter_match = false;
-
-			foreach ($filter["rules"] as $rule) {
-				$match = false;
-				$reg_exp = str_replace('/', '\/', $rule["reg_exp"]);
-				$rule_inverse = $rule["inverse"];
-
-				if (!$reg_exp)
-					continue;
-
-				switch ($rule["type"]) {
-				case "title":
-					$match = @preg_match("/$reg_exp/iu", $title);
-					break;
-				case "content":
-					// we don't need to deal with multiline regexps
-					$content = preg_replace("/[\r\n\t]/", "", $content);
-
-					$match = @preg_match("/$reg_exp/iu", $content);
-					break;
-				case "both":
-					// we don't need to deal with multiline regexps
-					$content = preg_replace("/[\r\n\t]/", "", $content);
-
-					$match = (@preg_match("/$reg_exp/iu", $title) || @preg_match("/$reg_exp/iu", $content));
-					break;
-				case "link":
-					$match = @preg_match("/$reg_exp/iu", $link);
-					break;
-				case "author":
-					$match = @preg_match("/$reg_exp/iu", $author);
-					break;
-				case "tag":
-					foreach ($tags as $tag) {
-						if (@preg_match("/$reg_exp/iu", $tag)) {
-							$match = true;
-							break;
-						}
-					}
-					break;
-				}
-
-				if ($rule_inverse) $match = !$match;
-
-				if ($match_any_rule) {
-					if ($match) {
-						$filter_match = true;
-						break;
-					}
-				} else {
-					$filter_match = $match;
-					if (!$match) {
-						break;
-					}
-				}
-			}
-
-			if ($inverse) $filter_match = !$filter_match;
-
-			if ($filter_match) {
-				if (is_array($matched_rules)) array_push($matched_rules, $rule);
-
-				foreach ($filter["actions"] AS $action) {
-					array_push($matches, $action);
-
-					// if Stop action encountered, perform no further processing
-					if (isset($action["type"]) && $action["type"] == "stop") return $matches;
-				}
-			}
-		}
-
-		return $matches;
-	}
-
-	function find_article_filter($filters, $filter_name) {
-		foreach ($filters as $f) {
-			if ($f["type"] == $filter_name) {
-				return $f;
-			};
-		}
-		return false;
-	}
-
-	function find_article_filters($filters, $filter_name) {
-		$results = array();
-
-		foreach ($filters as $f) {
-			if ($f["type"] == $filter_name) {
-				array_push($results, $f);
-			};
-		}
-		return $results;
-	}
-
-	function calculate_article_score($filters) {
-		$score = 0;
-
-		foreach ($filters as $f) {
-			if ($f["type"] == "score") {
-				$score += $f["param"];
-			};
-		}
-		return $score;
-	}
-
-	function labels_contains_caption($labels, $caption) {
-		foreach ($labels as $label) {
-			if ($label[1] == $caption) {
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	function assign_article_to_label_filters($id, $filters, $owner_uid, $article_labels) {
-		foreach ($filters as $f) {
-			if ($f["type"] == "label") {
-				if (!labels_contains_caption($article_labels, $f["param"])) {
-					Labels::add_article($id, $f["param"], $owner_uid);
-				}
-			}
-		}
-	}
-
-	function make_guid_from_title($title) {
-		return preg_replace("/[ \"\',.:;]/", "-",
-			mb_strtolower(strip_tags($title), 'utf-8'));
-	}
-
-	function cleanup_counters_cache($debug) {
-		$result = db_query("DELETE FROM ttrss_counters_cache
-			WHERE feed_id > 0 AND
-			(SELECT COUNT(id) FROM ttrss_feeds WHERE
-				id = feed_id AND
-				ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid) = 0");
-		$frows = db_affected_rows($result);
-
-		$result = db_query("DELETE FROM ttrss_cat_counters_cache
-			WHERE feed_id > 0 AND
-			(SELECT COUNT(id) FROM ttrss_feed_categories WHERE
-				id = feed_id AND
-				ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid) = 0");
-		$crows = db_affected_rows($result);
-
-		if ($debug) _debug("Removed $frows (feeds) $crows (cats) orphaned counter cache entries.");
-	}
-
-	function housekeeping_user($owner_uid) {
-		$tmph = new PluginHost();
-
-		load_user_plugins($owner_uid, $tmph);
-
-		$tmph->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", "");
-	}
-
-	function housekeeping_common($debug) {
-		expire_cached_files($debug);
-		expire_lock_files($debug);
-		expire_error_log($debug);
-
-		$count = update_feedbrowser_cache();
-		_debug("Feedbrowser updated, $count feeds processed.");
-
-		Article::purge_orphans( true);
-		cleanup_counters_cache($debug);
-
-		//$rc = cleanup_tags( 14, 50000);
-		//_debug("Cleaned $rc cached tags.");
-
-		PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", "");
-	}
-
-	function check_feed_favicon($site_url, $feed) {
-	#		print "FAVICON [$site_url]: $favicon_url\n";
-
-		$icon_file = ICONS_DIR . "/$feed.ico";
-
-		if (!file_exists($icon_file)) {
-			$favicon_url = get_favicon_url($site_url);
-
-			if ($favicon_url) {
-				// Limiting to "image" type misses those served with text/plain
-				$contents = fetch_file_contents($favicon_url); // , "image");
-
-				if ($contents) {
-					// Crude image type matching.
-					// Patterns gleaned from the file(1) source code.
-					if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
-						// 0       string  \000\000\001\000        MS Windows icon resource
-						//error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
-					}
-					elseif (preg_match('/^GIF8/', $contents)) {
-						// 0       string          GIF8            GIF image data
-						//error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
-					}
-					elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
-						// 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
-						//error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
-					}
-					elseif (preg_match('/^\xff\xd8/', $contents)) {
-						// 0       beshort         0xffd8          JPEG image data
-						//error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
-					}
-					else {
-						//error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
-						$contents = "";
-					}
-				}
-
-				if ($contents) {
-					$fp = @fopen($icon_file, "w");
-
-					if ($fp) {
-						fwrite($fp, $contents);
-						fclose($fp);
-						chmod($icon_file, 0644);
-					}
-				}
-			}
-			return $icon_file;
-		}
-	}