diff options
Diffstat (limited to 'classes/rssutils.php')
-rwxr-xr-x | classes/rssutils.php | 2085 |
1 files changed, 0 insertions, 2085 deletions
diff --git a/classes/rssutils.php b/classes/rssutils.php deleted file mode 100755 index c340f6cad..000000000 --- a/classes/rssutils.php +++ /dev/null @@ -1,2085 +0,0 @@ -<?php -class RSSUtils { - - /** - * @param array<string, mixed> $article - */ - static function calculate_article_hash(array $article, PluginHost $pluginhost): string { - $tmp = ""; - - $ignored_fields = [ "feed", "guid", "guid_hashed", "owner_uid", "force_catchup" ]; - - foreach ($article as $k => $v) { - if (in_array($k, $ignored_fields)) - continue; - - if ($k != "feed" && isset($v)) { - $x = strip_tags( - is_array($v) ? implode(",", array_keys($v)) : $v); - - $tmp .= sha1("$k:" . sha1($x)); - } - } - - return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp); - } - - // Strips utf8mb4 characters (i.e. emoji) for mysql - static function strip_utf8mb4(string $str): string { - return preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $str); - } - - static function cleanup_feed_browser(): void { - $pdo = Db::pdo(); - $pdo->query("DELETE FROM ttrss_feedbrowser_cache"); - } - - static function cleanup_feed_icons(): void { - $pdo = Db::pdo(); - $sth = $pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ?"); - - $cache = DiskCache::instance('feed-icons'); - - if ($cache->is_writable()) { - $dh = opendir($cache->get_full_path("")); - - if ($dh) { - while (($icon = readdir($dh)) !== false) { - if (preg_match('/^[0-9]{1,}$/', $icon) && $cache->get_mtime($icon) < time() - 86400 * Config::get(Config::CACHE_MAX_DAYS)) { - - $sth->execute([(int)$icon]); - - if ($sth->fetch()) { - $cache->put($icon, $cache->get($icon)); - } else { - $icon_path = $cache->get_full_path($icon); - - Debug::log("Removing orphaned feed icon: $icon_path"); - unlink($icon_path); - } - } - } - - closedir($dh); - } - } - } - - /** - * @param array<string, false|string> $options - */ - static function update_daemon_common(int $limit = 0, array $options = []): int { - $span = Tracer::start(__METHOD__); - - if (!$limit) $limit = Config::get(Config::DAEMON_FEED_LIMIT); - - if (Config::get_schema_version() != Config::SCHEMA_VERSION) { - die("Schema version is wrong, please upgrade the database.\n"); - } - - $pdo = Db::pdo(); - - if (!Config::get(Config::SINGLE_USER_MODE) && Config::get(Config::DAEMON_UPDATE_LOGIN_LIMIT) > 0) { - $login_limit = (int) Config::get(Config::DAEMON_UPDATE_LOGIN_LIMIT); - - if (Config::get(Config::DB_TYPE) == "pgsql") { - $login_thresh_qpart = "AND last_login >= NOW() - INTERVAL '$login_limit days'"; - } else { - $login_thresh_qpart = "AND last_login >= DATE_SUB(NOW(), INTERVAL $login_limit DAY)"; - } - } else { - $login_thresh_qpart = ""; - } - - $default_interval = (int) Prefs::get_default(Prefs::DEFAULT_UPDATE_INTERVAL); - - if (Config::get(Config::DB_TYPE) == "pgsql") { - $update_limit_qpart = "AND (( - update_interval = 0 - AND (p.value IS NULL OR p.value != '-1') - AND last_updated < NOW() - CAST((COALESCE(p.value, '$default_interval') || ' minutes') AS INTERVAL) - ) OR ( - update_interval > 0 - AND last_updated < NOW() - CAST((update_interval || ' minutes') AS INTERVAL) - ) OR ( - update_interval >= 0 - AND (p.value IS NULL OR p.value != '-1') - AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL) - ))"; - } else { - $update_limit_qpart = "AND (( - update_interval = 0 - AND (p.value IS NULL OR p.value != '-1') - AND last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(COALESCE(p.value, '$default_interval'), SIGNED INTEGER) MINUTE) - ) OR ( - update_interval > 0 - AND last_updated < DATE_SUB(NOW(), INTERVAL update_interval MINUTE) - ) OR ( - update_interval >= 0 - AND (p.value IS NULL OR p.value != '-1') - AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL) - ))"; - } - - // Test if feed is currently being updated by another process. - if (Config::get(Config::DB_TYPE) == "pgsql") { - $updstart_thresh_qpart = "AND (last_update_started IS NULL OR last_update_started < NOW() - INTERVAL '10 minutes')"; - } else { - $updstart_thresh_qpart = "AND (last_update_started IS NULL OR last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))"; - } - - $query_limit = $limit ? sprintf("LIMIT %d", $limit) : ""; - - // Update the least recently updated feeds first - $query_order = "ORDER BY last_updated"; - - if (Config::get(Config::DB_TYPE) == "pgsql") - $query_order .= " NULLS FIRST"; - - $query = "SELECT f.feed_url, f.last_updated - FROM - ttrss_feeds f, ttrss_users u LEFT JOIN ttrss_user_prefs2 p ON - (p.owner_uid = u.id AND profile IS NULL AND pref_name = 'DEFAULT_UPDATE_INTERVAL') - WHERE - f.owner_uid = u.id AND - u.access_level NOT IN (".sprintf("%d, %d", UserHelper::ACCESS_LEVEL_DISABLED, UserHelper::ACCESS_LEVEL_READONLY).") - $login_thresh_qpart - $update_limit_qpart - $updstart_thresh_qpart - $query_order $query_limit"; - - //print "$query\n"; - - $res = $pdo->query($query); - - $feeds_to_update = array(); - while ($line = $res->fetch()) { - array_push($feeds_to_update, $line['feed_url']); - } - - Debug::log(sprintf("Scheduled %d feeds to update...", count($feeds_to_update))); - - // Update last_update_started before actually starting the batch - // in order to minimize collision risk for parallel daemon tasks - if (count($feeds_to_update) > 0) { - $feeds_qmarks = arr_qmarks($feeds_to_update); - - $tmph = $pdo->prepare("UPDATE ttrss_feeds SET last_update_started = NOW() - WHERE feed_url IN ($feeds_qmarks)"); - $tmph->execute($feeds_to_update); - } - - $nf = 0; - $bstarted = microtime(true); - - $batch_owners = []; - - $user_query = "SELECT f.id, - last_updated, - f.owner_uid, - u.login AS owner, - f.title - FROM ttrss_feeds f, ttrss_users u LEFT JOIN ttrss_user_prefs2 p ON - (p.owner_uid = u.id AND profile IS NULL AND pref_name = 'DEFAULT_UPDATE_INTERVAL') - WHERE - f.owner_uid = u.id AND - u.access_level NOT IN (".sprintf("%d, %d", UserHelper::ACCESS_LEVEL_DISABLED, UserHelper::ACCESS_LEVEL_READONLY).") - AND feed_url = :feed - $login_thresh_qpart - $update_limit_qpart - ORDER BY f.id $query_limit"; - - //print "$user_query\n"; - - // since we have feed xml cached, we can deal with other feeds with the same url - $usth = $pdo->prepare($user_query); - - foreach ($feeds_to_update as $feed) { - Debug::log("Base feed: $feed"); - - $usth->execute(["feed" => $feed]); - - if ($tline = $usth->fetch()) { - Debug::log(sprintf("=> %s (ID: %d, U: %s [%d]), last updated: %s", $tline["title"], $tline["id"], - $tline["owner"], $tline["owner_uid"], - $tline["last_updated"] ? $tline["last_updated"] : "never")); - - if (!in_array($tline["owner_uid"], $batch_owners)) - array_push($batch_owners, $tline["owner_uid"]); - - $fstarted = microtime(true); - - $quiet = (isset($options["quiet"])) ? "--quiet" : ""; - $log = function_exists("flock") && isset($options['log']) ? '--log '.$options['log'] : ''; - $log_level = isset($options['log-level']) ? '--log-level '.$options['log-level'] : ''; - - /* shared hosting may have this disabled and it's not strictly required */ - if (self::function_enabled('passthru')) { - $exit_code = 0; - - passthru(Config::get(Config::PHP_EXECUTABLE) . " update.php --update-feed " . $tline["id"] . " --pidlock feed-" . $tline["id"] . " $quiet $log $log_level", $exit_code); - - Debug::log(sprintf("<= %.4f (sec) exit code: %d", microtime(true) - $fstarted, $exit_code)); - - // -1 can be caused by a SIGCHLD handler which daemon master process installs (not every setup, apparently) - if ($exit_code != 0 && $exit_code != -1) { - $festh = $pdo->prepare("SELECT last_error FROM ttrss_feeds WHERE id = ?"); - $festh->execute([$tline["id"]]); - - if ($ferow = $festh->fetch()) { - $error_message = $ferow["last_error"]; - } else { - $error_message = "N/A"; - } - - Debug::log("!! Last error: $error_message"); - - Logger::log(E_USER_NOTICE, - sprintf("Update process for feed %d (%s, owner UID: %d) failed with exit code: %d (%s).", - $tline["id"], clean($tline["title"]), $tline["owner_uid"], $exit_code, clean($error_message))); - - $combined_error_message = sprintf("Update process failed with exit code: %d (%s)", - $exit_code, clean($error_message)); - - # mark failed feed as having an update error (unless it is already marked) - $fusth = $pdo->prepare("UPDATE ttrss_feeds SET last_error = ? WHERE id = ? AND last_error = ''"); - $fusth->execute([$combined_error_message, $tline["id"]]); - } - - } else { - try { - if (!self::update_rss_feed($tline["id"], true)) { - Logger::log(E_USER_NOTICE, - sprintf("Update request for feed %d (%s, owner UID: %d) failed: %s.", - $tline["id"], clean($tline["title"]), $tline["owner_uid"], clean(UrlHelper::$fetch_last_error))); - } - - Debug::log(sprintf("<= %.4f (sec) (not using a separate process)", microtime(true) - $fstarted)); - - } catch (PDOException $e) { - Logger::log_error(E_USER_WARNING, $e->getMessage(), $e->getFile(), $e->getLine(), $e->getTraceAsString()); - - try { - $pdo->rollback(); - } catch (PDOException $e) { - // it doesn't matter if there wasn't actually anything to rollback, PDO Exception can be - // thrown outside of an active transaction during feed update - } - } - } - - ++$nf; - } - } - - if ($nf > 0) { - Debug::log(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::log("Running housekeeping tasks for user $owner_uid..."); - - self::housekeeping_user($owner_uid); - } - - // Send feed digests by email if needed. - Digest::send_headlines_digests(); - - $span->end(); - - return $nf; - } - - /** this is used when subscribing */ - static function update_basic_info(int $feed_id): void { - $feed = ORM::for_table('ttrss_feeds') - ->select_many('id', 'owner_uid', 'feed_url', 'auth_pass', 'auth_login', 'title', 'site_url') - ->find_one($feed_id); - - if ($feed) { - $pluginhost = new PluginHost(); - $user_plugins = get_pref(Prefs::_ENABLED_PLUGINS, $feed->owner_uid); - - $pluginhost->load(Config::get(Config::PLUGINS), PluginHost::KIND_ALL); - $pluginhost->load((string)$user_plugins, PluginHost::KIND_USER, $feed->owner_uid); - //$pluginhost->load_data(); - - $basic_info = []; - - $pluginhost->run_hooks_callback(PluginHost::HOOK_FEED_BASIC_INFO, function ($result) use (&$basic_info) { - $basic_info = $result; - }, $basic_info, $feed->feed_url, $feed->owner_uid, $feed_id, $feed->auth_login, $feed->auth_pass); - - if (!$basic_info) { - $feed_data = UrlHelper::fetch([ - 'url' => $feed->feed_url, - 'login' => $feed->auth_login, - 'pass' => $feed->auth_pass, - 'timeout' => Config::get(Config::FEED_FETCH_TIMEOUT), - ]); - - $feed_data = trim($feed_data); - - if ($feed_data) { - $rss = new FeedParser($feed_data); - $rss->init(); - - if (!$rss->error()) { - $basic_info = [ - 'title' => mb_substr(clean($rss->get_title()), 0, 199), - 'site_url' => mb_substr(UrlHelper::rewrite_relative($feed->feed_url, clean($rss->get_link())), 0, 245), - ]; - } else { - Debug::log(sprintf("unable to parse feed for basic info: %s", $rss->error()), Debug::LOG_VERBOSE); - } - } else { - Debug::log(sprintf("unable to fetch feed for basic info: %s [%s]", UrlHelper::$fetch_last_error, UrlHelper::$fetch_last_error_code), Debug::LOG_VERBOSE); - } - } - - if ($basic_info && is_array($basic_info)) { - if (!empty($basic_info['title']) && (!$feed->title || $feed->title == '[Unknown]')) { - $feed->title = $basic_info['title']; - } - - if (!empty($basic_info['site_url']) && $feed->site_url != $basic_info['site_url']) { - $feed->site_url = $basic_info['site_url']; - } - - $feed->save(); - } - } - } - - static function update_rss_feed(int $feed, bool $no_cache = false, bool $html_output = false) : bool { - - $span = Tracer::start(__METHOD__); - $span->setAttribute('func.args', json_encode(func_get_args())); - - Debug::enable_html($html_output); - Debug::log("start", Debug::LOG_VERBOSE); - - $pdo = Db::pdo(); - - /** @var DiskCache $cache */ - $cache = DiskCache::instance('feeds'); - - if (Config::get(Config::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)"; - } - - $feed_obj = ORM::for_table('ttrss_feeds') - ->select_expr("ttrss_feeds.*, - ".SUBSTRING_FOR_DATE."(last_unconditional, 1, 19) AS last_unconditional, - (favicon_is_custom IS NOT TRUE AND - (favicon_last_checked IS NULL OR $favicon_interval_qpart)) AS favicon_needs_check") - ->find_one($feed); - - if ($feed_obj) { - $feed_obj->last_update_started = Db::NOW(); - $feed_obj->save(); - - $feed_language = mb_strtolower($feed_obj->feed_language); - - if (!$feed_language) $feed_language = mb_strtolower(get_pref(Prefs::DEFAULT_SEARCH_LANGUAGE, $feed_obj->owner_uid)); - if (!$feed_language) $feed_language = 'simple'; - - $user = ORM::for_table('ttrss_users')->find_one($feed_obj->owner_uid); - - if ($user) { - if ($user->access_level == UserHelper::ACCESS_LEVEL_READONLY) { - Debug::log("error: denied update for $feed: permission denied by owner access level"); - $span->end(); - return false; - } - } else { - // this would indicate database corruption of some kind - Debug::log("error: owner not found for feed: $feed"); - $span->end(); - return false; - } - - } else { - Debug::log("error: feeds table record not found for feed: $feed"); - $span->end(); - return false; - } - - // feed was batch-subscribed or something, we need to get basic info - // this is not optimal currently as it fetches stuff separately TODO: optimize - if ($feed_obj->title == "[Unknown]" || empty($feed_obj->title) || empty($feed_obj->site_url)) { - Debug::log("setting basic feed info for $feed..."); - self::update_basic_info($feed); - } - - $date_feed_processed = date('Y-m-d H:i'); - - $cache_filename = sha1($feed_obj->feed_url) . ".xml"; - - $pluginhost = new PluginHost(); - $user_plugins = get_pref(Prefs::_ENABLED_PLUGINS, $feed_obj->owner_uid); - - $pluginhost->load(Config::get(Config::PLUGINS), PluginHost::KIND_ALL); - $pluginhost->load((string)$user_plugins, PluginHost::KIND_USER, $feed_obj->owner_uid); - - $rss_hash = false; - - $force_refetch = isset($_REQUEST["force_refetch"]); - $dump_feed_xml = isset($_REQUEST["dump_feed_xml"]); - $feed_data = ""; - - Debug::log("running HOOK_FETCH_FEED handlers...", Debug::LOG_VERBOSE); - - $start_ts = microtime(true); - $last_article_timestamp = 0; - - $hff_owner_uid = $feed_obj->owner_uid; - $hff_feed_url = $feed_obj->feed_url; - - $pluginhost->chain_hooks_callback(PluginHost::HOOK_FETCH_FEED, - function ($result, $plugin) use (&$feed_data, $start_ts) { - $feed_data = $result; - Debug::log(sprintf("=== %.4f (sec) %s", microtime(true) - $start_ts, get_class($plugin)), Debug::LOG_VERBOSE); - }, - $feed_data, $hff_feed_url, $hff_owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass); - - if ($feed_data) { - Debug::log("feed data has been modified by a plugin.", Debug::LOG_VERBOSE); - } else { - Debug::log("feed data has not been modified by a plugin.", Debug::LOG_VERBOSE); - } - - // try cache - if (!$feed_data && - $cache->exists($cache_filename) && - !$feed_obj->auth_login && !$feed_obj->auth_pass && - $cache->get_mtime($cache_filename) > time() - 30) { - - Debug::log("using local cache: {$cache_filename}.", Debug::LOG_VERBOSE); - - $feed_data = $cache->get($cache_filename); - - if ($feed_data) { - $rss_hash = sha1($feed_data); - } - - } else { - Debug::log("local cache will not be used for this feed", Debug::LOG_VERBOSE); - } - - // fetch feed from source - if (!$feed_data) { - Debug::log("last unconditional update request: {$feed_obj->last_unconditional}", Debug::LOG_VERBOSE); - - if (ini_get("open_basedir") && function_exists("curl_init")) { - Debug::log("not using CURL due to open_basedir restrictions", Debug::LOG_VERBOSE); - } - - if (time() - strtotime($feed_obj->last_unconditional ?? "") > Config::get(Config::MAX_CONDITIONAL_INTERVAL)) { - Debug::log("maximum allowed interval for conditional requests exceeded, forcing refetch", Debug::LOG_VERBOSE); - - $force_refetch = true; - } else { - Debug::log("stored last modified for conditional request: {$feed_obj->last_modified}", Debug::LOG_VERBOSE); - } - - Debug::log("fetching {$feed_obj->feed_url} (force_refetch: $force_refetch)...", Debug::LOG_VERBOSE); - - $feed_data = UrlHelper::fetch([ - "url" => $feed_obj->feed_url, - "login" => $feed_obj->auth_login, - "pass" => $feed_obj->auth_pass, - "timeout" => $no_cache ? Config::get(Config::FEED_FETCH_NO_CACHE_TIMEOUT) : Config::get(Config::FEED_FETCH_TIMEOUT), - "last_modified" => $force_refetch ? "" : $feed_obj->last_modified - ]); - - $feed_data = trim($feed_data); - - Debug::log("fetch done.", Debug::LOG_VERBOSE); - Debug::log(sprintf("effective URL (after redirects): %s (IP: %s) ", UrlHelper::$fetch_effective_url, UrlHelper::$fetch_effective_ip_addr), Debug::LOG_VERBOSE); - Debug::log("server last modified: " . UrlHelper::$fetch_last_modified, Debug::LOG_VERBOSE); - - if ($feed_data && UrlHelper::$fetch_last_modified != $feed_obj->last_modified) { - $feed_obj->last_modified = substr(UrlHelper::$fetch_last_modified, 0, 245); - $feed_obj->save(); - } - - // cache vanilla feed data for re-use - if ($feed_data && !$feed_obj->auth_pass && !$feed_obj->auth_login && $cache->is_writable()) { - $new_rss_hash = sha1($feed_data); - - if ($new_rss_hash != $rss_hash) { - Debug::log("saving to local cache: $cache_filename", Debug::LOG_VERBOSE); - $cache->put($cache_filename, $feed_data); - } - } - } - - if (!$feed_data) { - Debug::log(sprintf("unable to fetch: %s [%s]", UrlHelper::$fetch_last_error, UrlHelper::$fetch_last_error_code), Debug::LOG_VERBOSE); - - // If-Modified-Since - if (UrlHelper::$fetch_last_error_code == 304) { - Debug::log("source claims data not modified (304), nothing to do.", Debug::LOG_VERBOSE); - $error_message = ""; - - $feed_obj->set([ - 'last_error' => '', - 'last_successful_update' => Db::NOW(), - 'last_updated' => Db::NOW(), - ]); - - $feed_obj->save(); - - } else if (UrlHelper::$fetch_last_error_code == 429) { - - // randomize interval using Config::HTTP_429_THROTTLE_INTERVAL as a base value (1-2x) - $http_429_throttle_interval = rand(Config::get(Config::HTTP_429_THROTTLE_INTERVAL), - Config::get(Config::HTTP_429_THROTTLE_INTERVAL)*2); - - $error_message = UrlHelper::$fetch_last_error; - - Debug::log("source claims we're requesting too often (429), throttling updates for $http_429_throttle_interval seconds.", - Debug::LOG_VERBOSE); - - $feed_obj->set([ - 'last_error' => $error_message . " (updates throttled for $http_429_throttle_interval seconds.)", - 'last_successful_update' => Db::NOW($http_429_throttle_interval), - 'last_updated' => Db::NOW($http_429_throttle_interval), - ]); - - $feed_obj->save(); - } else { - $error_message = UrlHelper::$fetch_last_error; - - $feed_obj->set([ - 'last_error' => $error_message, - 'last_updated' => Db::NOW(), - ]); - - $feed_obj->save(); - } - - $span->end(); - return $error_message == ""; - } - - Debug::log("running HOOK_FEED_FETCHED handlers...", Debug::LOG_VERBOSE); - $feed_data_checksum = md5($feed_data); - - // because chain_hooks_callback() accepts variables by value - $pff_owner_uid = $feed_obj->owner_uid; - $pff_feed_url = $feed_obj->feed_url; - - if ($dump_feed_xml) { - Debug::log("feed data before hooks:", Debug::LOG_VERBOSE); - - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - print("<code class='feed-xml'>" . htmlspecialchars($feed_data). "</code>\n"); - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - } - - $start_ts = microtime(true); - $pluginhost->chain_hooks_callback(PluginHost::HOOK_FEED_FETCHED, - function ($result, $plugin) use (&$feed_data, $start_ts) { - $feed_data = $result; - Debug::log(sprintf("=== %.4f (sec) %s", microtime(true) - $start_ts, get_class($plugin)), Debug::LOG_VERBOSE); - }, - $feed_data, $pff_feed_url, $pff_owner_uid, $feed); - - if (md5($feed_data) != $feed_data_checksum) { - Debug::log("feed data has been modified by a plugin.", Debug::LOG_VERBOSE); - } else { - Debug::log("feed data has not been modified by a plugin.", Debug::LOG_VERBOSE); - } - - if ($dump_feed_xml) { - Debug::log("feed data after hooks:", Debug::LOG_VERBOSE); - - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - print("<code class='feed-xml'>" . htmlspecialchars($feed_data). "</code>\n"); - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - } - - $rss = new FeedParser($feed_data); - $rss->init(); - - if (!$rss->error()) { - - Debug::log("running HOOK_FEED_PARSED handlers...", Debug::LOG_VERBOSE); - - // We use local pluginhost here because we need to load different per-user feed plugins - - $start_ts = microtime(true); - $pluginhost->chain_hooks_callback(PluginHost::HOOK_FEED_PARSED, - function($result, $plugin) use ($start_ts) { - Debug::log(sprintf("=== %.4f (sec) %s", microtime(true) - $start_ts, get_class($plugin)), Debug::LOG_VERBOSE); - }, - $rss, $feed); - - Debug::log("language: $feed_language", Debug::LOG_VERBOSE); - Debug::log("processing feed data...", Debug::LOG_VERBOSE); - - // this is a fallback, in case RSSUtils::update_basic_info() fails. - // TODO: is this necessary? remove unless it is. - if (empty($feed_obj->site_url)) { - $feed_obj->site_url = mb_substr(UrlHelper::rewrite_relative($feed_obj->feed_url, clean($rss->get_link())), 0, 245); - $feed_obj->save(); - } - - Debug::log("site_url: {$feed_obj->site_url}", Debug::LOG_VERBOSE); - Debug::log("feed_title: {$rss->get_title()}", Debug::LOG_VERBOSE); - - Debug::log('favicon: needs check: ' . ($feed_obj->favicon_needs_check ? 'true' : 'false') - . ', is custom: ' . ($feed_obj->favicon_is_custom ? 'true' : 'false') - . ", avg color: {$feed_obj->favicon_avg_color}", - Debug::LOG_VERBOSE); - - if ($feed_obj->favicon_needs_check || $force_refetch - || ($feed_obj->favicon_is_custom && !$feed_obj->favicon_avg_color)) { - - // restrict update attempts to once per 12h - $feed_obj->favicon_last_checked = Db::NOW(); - $feed_obj->save(); - - $favicon_cache = DiskCache::instance('feed-icons'); - - $favicon_modified = $favicon_cache->exists($feed) ? $favicon_cache->get_mtime($feed) : -1; - - // don't try to redownload custom favicons - if (!$feed_obj->favicon_is_custom) { - Debug::log("favicon: trying to update favicon...", Debug::LOG_VERBOSE); - self::update_favicon($feed_obj->site_url, $feed); - - if (!$favicon_cache->exists($feed) || $favicon_cache->get_mtime($feed) > $favicon_modified) { - $feed_obj->favicon_avg_color = null; - $feed_obj->save(); - } - } - - /* terrible hack: if we crash on floicon shit here, we won't check - * the icon avgcolor again (unless icon got updated) */ - if (file_exists($favicon_cache->get_full_path($feed)) && function_exists("imagecreatefromstring") && empty($feed_obj->favicon_avg_color)) { - require_once "colors.php"; - - Debug::log("favicon: trying to calculate average color...", Debug::LOG_VERBOSE); - - $feed_obj->favicon_avg_color = 'fail'; - $feed_obj->save(); - - $calculated_avg_color = \Colors\calculate_avg_color($favicon_cache->get_full_path($feed)); - if ($calculated_avg_color) { - $feed_obj->favicon_avg_color = $calculated_avg_color; - $feed_obj->save(); - } - - Debug::log("favicon: calculated avg color: {$calculated_avg_color}, setting avg color: {$feed_obj->favicon_avg_color}", Debug::LOG_VERBOSE); - - } else if ($feed_obj->favicon_avg_color == 'fail') { - Debug::log("floicon failed on $feed or a suitable avg color couldn't be determined, not trying to recalculate avg color", Debug::LOG_VERBOSE); - } - } - - Debug::log("loading filters & labels...", Debug::LOG_VERBOSE); - - $filters = self::load_filters($feed, $feed_obj->owner_uid); - - if (Debug::get_loglevel() >= Debug::LOG_EXTENDED) { - print_r($filters); - } - - Debug::log("" . count($filters) . " filters loaded.", Debug::LOG_VERBOSE); - - $items = $rss->get_items(); - - if (!is_array($items)) { - Debug::log("no articles found.", Debug::LOG_VERBOSE); - - $feed_obj->set([ - 'last_updated' => Db::NOW(), - 'last_unconditional' => Db::NOW(), - 'last_error' => '', - ]); - - $feed_obj->save(); - $span->end(); - return true; // no articles - } - - Debug::log("processing articles...", Debug::LOG_VERBOSE); - - $tstart = time(); - - foreach ($items as $item) { - $a_span = Tracer::start('article'); - - $pdo->beginTransaction(); - - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - - if (Debug::get_loglevel() >= 3) { - print_r($item); - } - - if (ini_get("max_execution_time") > 0 && time() - $tstart >= ((float)ini_get("max_execution_time") * 0.7)) { - Debug::log("looks like there's too many articles to process at once, breaking out.", Debug::LOG_VERBOSE); - $pdo->commit(); - break; - } - - $entry_guid = strip_tags($item->get_id()); - if (!$entry_guid) $entry_guid = strip_tags($item->get_link()); - if (!$entry_guid) $entry_guid = self::make_guid_from_title($item->get_title()); - - if (!$entry_guid) { - $pdo->commit(); - continue; - } - - $entry_guid_hashed_compat = 'SHA1:' . sha1("{$feed_obj->owner_uid},$entry_guid"); - $entry_guid_hashed = json_encode(["ver" => 2, "uid" => $feed_obj->owner_uid, "hash" => 'SHA1:' . sha1($entry_guid)]); - $entry_guid = "$feed_obj->owner_uid,$entry_guid"; - - Debug::log("guid $entry_guid (hash: $entry_guid_hashed compat: $entry_guid_hashed_compat)", Debug::LOG_VERBOSE); - - $entry_timestamp = (int)$item->get_date(); - - Debug::log(sprintf("orig date: %s (%s)", $item->get_date(), date("Y-m-d H:i:s", $item->get_date())), - Debug::LOG_VERBOSE); - - $entry_title = strip_tags($item->get_title()); - - $entry_link = UrlHelper::rewrite_relative($feed_obj->site_url, clean($item->get_link()), "a", "href"); - - $entry_language = mb_substr(trim($item->get_language()), 0, 2); - - Debug::log("title $entry_title", Debug::LOG_VERBOSE); - Debug::log("link $entry_link", Debug::LOG_VERBOSE); - Debug::log("language $entry_language", Debug::LOG_VERBOSE); - - if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);; - - $entry_content = $item->get_content(); - if (!$entry_content) $entry_content = $item->get_description(); - - if (Debug::get_loglevel() >= 3) { - print "content: "; - print htmlspecialchars($entry_content); - print "\n"; - } - - $entry_comments = mb_substr(strip_tags($item->get_comments_url()), 0, 245); - $num_comments = $item->get_comments_count(); - - $entry_author = strip_tags($item->get_author()); - $entry_guid = mb_substr($entry_guid, 0, 245); - - Debug::log("author $entry_author", Debug::LOG_VERBOSE); - Debug::log("looking for tags...", Debug::LOG_VERBOSE); - - $entry_tags = $item->get_categories(); - Debug::log("tags found: " . join(", ", $entry_tags), Debug::LOG_VERBOSE); - - Debug::log("done collecting data.", Debug::LOG_VERBOSE); - - $sth = $pdo->prepare("SELECT id, content_hash, lang FROM ttrss_entries - WHERE guid IN (?, ?, ?)"); - $sth->execute([$entry_guid, $entry_guid_hashed, $entry_guid_hashed_compat]); - - if ($row = $sth->fetch()) { - $base_entry_id = $row["id"]; - $entry_stored_hash = $row["content_hash"]; - $article_labels = Article::_get_labels($base_entry_id, $feed_obj->owner_uid); - - $existing_tags = Article::_get_tags($base_entry_id, $feed_obj->owner_uid); - $entry_tags = array_unique([...$entry_tags, ...$existing_tags]); - } else { - $base_entry_id = false; - $entry_stored_hash = ""; - $article_labels = array(); - } - - Debug::log("looking for enclosures...", Debug::LOG_VERBOSE); - - // enclosures - - $enclosures = array(); - - $encs = $item->get_enclosures(); - - if (is_array($encs)) { - foreach ($encs as $e) { - - $pluginhost->chain_hooks_callback(PluginHost::HOOK_ENCLOSURE_IMPORTED, - function ($result) use (&$e) { - $e = $result; - }, - $e, $feed); - - // TODO: Just use FeedEnclosure (and modify it to cover whatever justified this)? - $e_item = array( - UrlHelper::rewrite_relative($feed_obj->site_url, $e->link, "", "", $e->type), - $e->type, $e->length, $e->title, $e->width, $e->height); - - // Yet another episode of "mysql utf8_general_ci is gimped" - if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET) != "UTF8MB4") { - for ($i = 0; $i < count($e_item); $i++) { - if (is_string($e_item[$i])) { - $e_item[$i] = self::strip_utf8mb4($e_item[$i]); - } - } - } - - array_push($enclosures, $e_item); - } - } - - $article = array("owner_uid" => $feed_obj->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, - "timestamp" => $entry_timestamp, - "num_comments" => $num_comments, - "enclosures" => $enclosures, - "feed" => array("id" => $feed, - "fetch_url" => $feed_obj->feed_url, - "site_url" => $feed_obj->site_url, - "cache_images" => $feed_obj->cache_images) - ); - - $entry_plugin_data = ""; - $entry_current_hash = self::calculate_article_hash($article, $pluginhost); - - Debug::log("article hash: $entry_current_hash [stored=$entry_stored_hash]", Debug::LOG_VERBOSE); - - if ($entry_current_hash == $entry_stored_hash && !isset($_REQUEST["force_rehash"])) { - Debug::log("stored article seems up to date [IID: $base_entry_id], updating timestamp only.", Debug::LOG_VERBOSE); - - // 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 - - $pdo->commit(); - - $entry_obj = ORM::for_table('ttrss_entries') - ->find_one($base_entry_id) - ->set('date_updated', Db::NOW()) - ->save(); - - continue; - } - - Debug::log("hash differs, running HOOK_ARTICLE_FILTER handlers...", Debug::LOG_VERBOSE); - - $start_ts = microtime(true); - - $pluginhost->chain_hooks_callback(PluginHost::HOOK_ARTICLE_FILTER, - function ($result, $plugin) use (&$article, &$entry_plugin_data, $start_ts) { - $article = $result; - - $entry_plugin_data .= mb_strtolower(get_class($plugin)) . ","; - - Debug::log(sprintf("=== %.4f (sec) %s", microtime(true) - $start_ts, get_class($plugin)), - Debug::LOG_VERBOSE); - }, - $article); - - if (Debug::get_loglevel() >= 3) { - print "processed content: "; - print htmlspecialchars($article["content"]); - print "\n"; - } - - Debug::log("plugin data: {$entry_plugin_data}", Debug::LOG_VERBOSE); - - // Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077 - if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET) != "UTF8MB4") { - foreach ($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] = self::strip_utf8mb4($v); - } - } - } - - /* Collect article tags here so we could filter by them: */ - - $matched_rules = []; - $matched_filters = []; - - $article_filters = self::get_article_filters($filters, $article["title"], - $article["content"], $article["link"], $article["author"], - $article["tags"], $matched_rules, $matched_filters); - - // $article_filters should be renamed to something like $filter_actions; actual filter objects are in $matched_filters - $pluginhost->run_hooks(PluginHost::HOOK_FILTER_TRIGGERED, - $feed, $feed_obj->owner_uid, $article, $matched_filters, $matched_rules, $article_filters); - - $matched_filter_ids = array_map(fn(array $f) => $f['id'], $matched_filters); - - if (count($matched_filter_ids) > 0) { - $filter_objs = ORM::for_table('ttrss_filters2') - ->where('owner_uid', $feed_obj->owner_uid) - ->where_in('id', $matched_filter_ids) - ->find_many(); - - foreach ($filter_objs as $filter_obj) { - $filter_obj->set('last_triggered', Db::NOW()); - $filter_obj->save(); - } - } - - if (Debug::get_loglevel() >= Debug::LOG_EXTENDED) { - Debug::log("matched filters: ", Debug::LOG_VERBOSE); - - if (count($matched_filters) != 0) { - print_r($matched_filters); - } - - Debug::log("matched filter rules: ", Debug::LOG_VERBOSE); - - if (count($matched_rules) != 0) { - print_r($matched_rules); - } - - Debug::log("filter actions: ", Debug::LOG_VERBOSE); - - if (count($article_filters) != 0) { - print_r($article_filters); - } - } - - $plugin_filter_names = self::find_article_filters($article_filters, "plugin"); - $plugin_filter_actions = $pluginhost->get_filter_actions(); - - if (count($plugin_filter_names) > 0) { - Debug::log("applying plugin filter actions...", Debug::LOG_VERBOSE); - - foreach ($plugin_filter_names as $pfn) { - list($pfclass,$pfaction) = explode(":", $pfn["param"]); - - if (isset($plugin_filter_actions[$pfclass])) { - $plugin = $pluginhost->get_plugin($pfclass); - - Debug::log("... $pfclass: $pfaction", Debug::LOG_VERBOSE); - - if ($plugin) { - $start = microtime(true); - $article = $plugin->hook_article_filter_action($article, $pfaction); - - Debug::log(sprintf("=== %.4f (sec)", microtime(true) - $start), Debug::LOG_VERBOSE); - } else { - Debug::log("??? $pfclass: plugin object not found.", Debug::LOG_VERBOSE); - } - } else { - Debug::log("??? $pfclass: filter plugin not registered.", Debug::LOG_VERBOSE); - } - } - } - - $entry_tags = $article["tags"]; - $entry_title = strip_tags($article["title"]); - $entry_author = mb_substr(strip_tags($article["author"]), 0, 245); - $entry_link = strip_tags($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 = $article["language"]; - $entry_timestamp = $article["timestamp"]; - $num_comments = $article["num_comments"]; - $enclosures = $article["enclosures"]; - - if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) { - $entry_timestamp = time(); - } - - $entry_timestamp_fmt = date("Y/m/d H:i:s", $entry_timestamp); - - Debug::log("date: $entry_timestamp ($entry_timestamp_fmt)", Debug::LOG_VERBOSE); - Debug::log("num_comments: $num_comments", Debug::LOG_VERBOSE); - - if (Debug::get_loglevel() >= Debug::LOG_EXTENDED) { - Debug::log("article labels:", Debug::LOG_VERBOSE); - - if (count($article_labels) != 0) { - print_r($article_labels); - } - } - - Debug::log("force catchup: $entry_force_catchup", Debug::LOG_VERBOSE); - - if ($feed_obj->cache_images) - self::cache_media($entry_content, $feed_obj->site_url); - - $csth = $pdo->prepare("SELECT id FROM ttrss_entries - WHERE guid IN (?, ?, ?)"); - $csth->execute([$entry_guid, $entry_guid_hashed, $entry_guid_hashed_compat]); - - if (!$row = $csth->fetch()) { - - Debug::log("base guid [$entry_guid or $entry_guid_hashed] not found, creating...", Debug::LOG_VERBOSE); - - // base post entry does not exist, create it - - $usth = $pdo->prepare( - "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 - (?, ?, ?, ?, ?, ?, - false, - NOW(), - ?, ?, ?, ?, ?, ?)"); - - $usth->execute([$entry_title, - $entry_guid_hashed, - $entry_link, - $entry_timestamp_fmt, - "$entry_content", - $entry_current_hash, - $date_feed_processed, - $entry_comments, - (int)$num_comments, - $entry_plugin_data, - "$entry_language", - "$entry_author"]); - - } - - $csth->execute([$entry_guid, $entry_guid_hashed, $entry_guid_hashed_compat]); - - $entry_ref_id = 0; - $entry_int_id = 0; - - if ($row = $csth->fetch()) { - - Debug::log("base guid found, checking for user record", Debug::LOG_VERBOSE); - - $ref_id = $row['id']; - $entry_ref_id = $ref_id; - - if (self::find_article_filter($article_filters, "filter")) { - Debug::log("article is filtered out, nothing to do.", Debug::LOG_VERBOSE); - $pdo->commit(); - continue; - } - - $score = self::calculate_article_score($article_filters) + $entry_score_modifier; - - Debug::log("initial score: $score [including plugin modifier: $entry_score_modifier]", Debug::LOG_VERBOSE); - - // check for user post link to main table - - $sth = $pdo->prepare("SELECT ref_id, int_id FROM ttrss_user_entries WHERE - ref_id = ? AND owner_uid = ?"); - $sth->execute([$ref_id, $feed_obj->owner_uid]); - - // okay it doesn't exist - create user entry - if ($row = $sth->fetch()) { - $entry_ref_id = $row["ref_id"]; - $entry_int_id = $row["int_id"]; - - Debug::log("user record FOUND: RID: $entry_ref_id, IID: $entry_int_id", Debug::LOG_VERBOSE); - } else { - - Debug::log("user record not found, creating...", Debug::LOG_VERBOSE); - - if ($score >= -500 && !self::find_article_filter($article_filters, 'catchup') && !$entry_force_catchup) { - $unread = 1; - $last_read_qpart = null; - } else { - $unread = 0; - $last_read_qpart = date("Y-m-d H:i"); // we can't use NOW() here because it gets quoted - } - - if (self::find_article_filter($article_filters, 'mark') || $score > 1000) { - $marked = 1; - } else { - $marked = 0; - } - - if (self::find_article_filter($article_filters, 'publish')) { - $published = 1; - } else { - $published = 0; - } - - $last_marked = ($marked == 1) ? 'NOW()' : 'NULL'; - $last_published = ($published == 1) ? 'NOW()' : 'NULL'; - - $sth = $pdo->prepare( - "INSERT INTO ttrss_user_entries - (ref_id, owner_uid, feed_id, unread, last_read, marked, - published, score, tag_cache, label_cache, uuid, - last_marked, last_published) - VALUES (?, ?, ?, ?, ?, ?, ?, ?, '', '', '', ".$last_marked.", ".$last_published.")"); - - $sth->execute([$ref_id, $feed_obj->owner_uid, $feed, $unread, $last_read_qpart, $marked, - $published, $score]); - - $sth = $pdo->prepare("SELECT int_id FROM ttrss_user_entries WHERE - ref_id = ? AND owner_uid = ? AND - feed_id = ? LIMIT 1"); - - $sth->execute([$ref_id, $feed_obj->owner_uid, $feed]); - - if ($row = $sth->fetch()) - $entry_int_id = $row['int_id']; - } - - Debug::log("resulting RID: $entry_ref_id, IID: $entry_int_id", Debug::LOG_VERBOSE); - - if (Config::get(Config::DB_TYPE) == "pgsql") - $tsvector_qpart = "tsvector_combined = to_tsvector(:ts_lang, :ts_content),"; - else - $tsvector_qpart = ""; - - $sth = $pdo->prepare("UPDATE ttrss_entries - SET title = :title, - $tsvector_qpart - content = :content, - content_hash = :content_hash, - updated = :updated, - date_updated = NOW(), - num_comments = :num_comments, - plugin_data = :plugin_data, - author = :author, - lang = :lang - WHERE id = :id"); - - $params = [":title" => $entry_title, - ":content" => "$entry_content", - ":content_hash" => $entry_current_hash, - ":updated" => $entry_timestamp_fmt, - ":num_comments" => (int)$num_comments, - ":plugin_data" => $entry_plugin_data, - ":author" => "$entry_author", - ":lang" => $entry_language, - ":id" => $ref_id]; - - if (Config::get(Config::DB_TYPE) == "pgsql") { - $params[":ts_lang"] = $feed_language; - $params[":ts_content"] = mb_substr(strip_tags($entry_title) . " " . \Soundasleep\Html2Text::convert($entry_content), 0, 900000); - } - - $sth->execute($params); - - // update aux data - $sth = $pdo->prepare("UPDATE ttrss_user_entries - SET score = ? WHERE ref_id = ?"); - $sth->execute([$score, $ref_id]); - - if ($feed_obj->mark_unread_on_update && - !$entry_force_catchup && - !self::find_article_filter($article_filters, 'catchup')) { - - Debug::log("article updated, marking unread as requested.", Debug::LOG_VERBOSE); - - $sth = $pdo->prepare("UPDATE ttrss_user_entries - SET last_read = null, unread = true WHERE ref_id = ?"); - $sth->execute([$ref_id]); - } else { - Debug::log("article updated, but we're forbidden to mark it unread.", Debug::LOG_VERBOSE); - } - } - - Debug::log("assigning labels [other]...", Debug::LOG_VERBOSE); - - foreach ($article_labels as $label) { - Labels::add_article($entry_ref_id, $label[1], $feed_obj->owner_uid); - } - - Debug::log("assigning labels [filters]...", Debug::LOG_VERBOSE); - - self::assign_article_to_label_filters($entry_ref_id, $article_filters, - $feed_obj->owner_uid, $article_labels); - - if ($feed_obj->cache_images) - self::cache_enclosures($enclosures, $feed_obj->site_url); - - if (Debug::get_loglevel() >= Debug::LOG_EXTENDED) { - Debug::log("article enclosures:", Debug::LOG_VERBOSE); - print_r($enclosures); - } - - $esth = $pdo->prepare("SELECT id FROM ttrss_enclosures - WHERE content_url = ? AND content_type = ? AND post_id = ?"); - - $usth = $pdo->prepare("INSERT INTO ttrss_enclosures - (content_url, content_type, title, duration, post_id, width, height) VALUES - (?, ?, ?, ?, ?, ?, ?)"); - - foreach ($enclosures as $enc) { - $enc_url = $enc[0]; - $enc_type = $enc[1]; - $enc_dur = (int)$enc[2]; - $enc_title = $enc[3]; - $enc_width = intval($enc[4]); - $enc_height = intval($enc[5]); - - $esth->execute([$enc_url, $enc_type, $entry_ref_id]); - - if (!$esth->fetch()) { - $usth->execute([$enc_url, $enc_type, (string)$enc_title, $enc_dur, $entry_ref_id, $enc_width, $enc_height]); - } - } - - // check for manual tags (we have to do it here since they're loaded from filters) - foreach ($article_filters as $f) { - if ($f["type"] == "tag") { - $entry_tags = [...$entry_tags, ...FeedItem_Common::normalize_categories(explode(",", $f["param"]))]; - } - } - - // like boring tags, but filter-based - foreach ($article_filters as $f) { - if ($f["type"] == "ignore-tag") { - $entry_tags = array_diff($entry_tags, - FeedItem_Common::normalize_categories(explode(",", $f["param"]))); - } - } - - // Skip boring tags - $entry_tags = FeedItem_Common::normalize_categories( - array_diff($entry_tags, - FeedItem_Common::normalize_categories(explode(",", - get_pref(Prefs::BLACKLISTED_TAGS, $feed_obj->owner_uid))))); - - Debug::log("resulting article tags: " . implode(", ", $entry_tags), Debug::LOG_VERBOSE); - - // Save article tags in the database - if (count($entry_tags) > 0) { - - $tsth = $pdo->prepare("SELECT id FROM ttrss_tags - WHERE tag_name = ? AND post_int_id = ? AND - owner_uid = ? LIMIT 1"); - - $usth = $pdo->prepare("INSERT INTO ttrss_tags - (owner_uid,tag_name,post_int_id) - VALUES (?, ?, ?)"); - - foreach ($entry_tags as $tag) { - $tsth->execute([$tag, $entry_int_id, $feed_obj->owner_uid]); - - if (!$tsth->fetch()) { - $usth->execute([$feed_obj->owner_uid, $tag, $entry_int_id]); - } - } - - /* update the cache */ - - $tsth = $pdo->prepare("UPDATE ttrss_user_entries - SET tag_cache = ? WHERE ref_id = ? - AND owner_uid = ?"); - - $tsth->execute([ - join(",", $entry_tags), - $entry_ref_id, - $feed_obj->owner_uid - ]); - } - - Debug::log("article processed.", Debug::LOG_VERBOSE); - - $pdo->commit(); - $a_span->end(); - } - - Debug::log(Debug::SEPARATOR, Debug::LOG_VERBOSE); - - Debug::log("purging feed...", Debug::LOG_VERBOSE); - - Feeds::_purge($feed, 0); - - $feed_obj->set([ - 'last_updated' => Db::NOW(), - 'last_unconditional' => Db::NOW(), - 'last_successful_update' => Db::NOW(), - 'last_error' => '', - ]); - - $feed_obj->save(); - - } else { - - $error_msg = mb_substr($rss->error(), 0, 245); - - Debug::log("fetch error: $error_msg", Debug::LOG_VERBOSE); - - if (count($rss->errors()) > 1) { - foreach ($rss->errors() as $error) { - Debug::log("+ $error", Debug::LOG_VERBOSE); - } - } - - $feed_obj->set([ - 'last_updated' => Db::NOW(), - 'last_unconditional' => Db::NOW(), - 'last_error' => $error_msg, - ]); - - $feed_obj->save(); - - unset($rss); - - Debug::log("update failed.", Debug::LOG_VERBOSE); - $span->end(); - return false; - } - - Debug::log("update done.", Debug::LOG_VERBOSE); - $span->end(); - return true; - } - - /** - * TODO: move to DiskCache? - * - * @param array<int, array<string>> $enclosures An array of "enclosure arrays" [string $link, string $type, string $length, string, $title, string $width, string $height] - * @see RSSUtils::update_rss_feed() - * @see FeedEnclosure - */ - static function cache_enclosures(array $enclosures, string $site_url): void { - $cache = DiskCache::instance("images"); - - if ($cache->is_writable()) { - foreach ($enclosures as $enc) { - - if (preg_match("/(image|audio|video)/", $enc[1])) { - $src = UrlHelper::rewrite_relative($site_url, $enc[0]); - - $local_filename = sha1($src); - - Debug::log("cache_enclosures: downloading: $src to $local_filename", Debug::LOG_VERBOSE); - - if (!$cache->exists($local_filename)) { - $file_content = UrlHelper::fetch(array("url" => $src, - "http_referrer" => $src, - "max_size" => Config::get(Config::MAX_CACHE_FILE_SIZE))); - - if ($file_content) { - $cache->put($local_filename, $file_content); - } else { - Debug::log("cache_enclosures: failed with ".UrlHelper::$fetch_last_error_code.": ".UrlHelper::$fetch_last_error); - } - } - } - } - } - } - - /* TODO: move to DiskCache? */ - static function cache_media_url(DiskCache $cache, string $url, string $site_url): void { - $url = UrlHelper::rewrite_relative($site_url, $url); - $local_filename = sha1($url); - - Debug::log("cache_media: checking $url", Debug::LOG_VERBOSE); - - if (!$cache->exists($local_filename)) { - Debug::log("cache_media: downloading: $url to $local_filename", Debug::LOG_VERBOSE); - - $file_content = UrlHelper::fetch(array("url" => $url, - "http_referrer" => $url, - "max_size" => Config::get(Config::MAX_CACHE_FILE_SIZE))); - - if ($file_content) { - $cache->put($local_filename, $file_content); - } else { - Debug::log("cache_media: failed with ".UrlHelper::$fetch_last_error_code.": ".UrlHelper::$fetch_last_error); - } - } - } - - /* TODO: move to DiskCache? */ - static function cache_media(string $html, string $site_url): void { - $cache = DiskCache::instance("images"); - - if ($html && $cache->is_writable()) { - $doc = new DOMDocument(); - if (@$doc->loadHTML($html)) { - $xpath = new DOMXPath($doc); - - $entries = $xpath->query('(//img[@src]|//source[@src|@srcset]|//video[@poster|@src])'); - - foreach ($entries as $entry) { - foreach (array('src', 'poster') as $attr) { - if ($entry->hasAttribute($attr) && strpos($entry->getAttribute($attr), "data:") !== 0) { - self::cache_media_url($cache, $entry->getAttribute($attr), $site_url); - } - } - - if ($entry->hasAttribute("srcset")) { - $matches = self::decode_srcset($entry->getAttribute('srcset')); - - for ($i = 0; $i < count($matches); $i++) { - self::cache_media_url($cache, $matches[$i]["url"], $site_url); - } - } - } - } - } - } - - static function expire_error_log(): void { - Debug::log("Removing old error log entries..."); - - $pdo = Db::pdo(); - - if (Config::get(Config::DB_TYPE) == "pgsql") { - $pdo->query("DELETE FROM ttrss_error_log - WHERE created_at < NOW() - INTERVAL '7 days'"); - } else { - $pdo->query("DELETE FROM ttrss_error_log - WHERE created_at < DATE_SUB(NOW(), INTERVAL 7 DAY)"); - } - } - - /** - * @deprecated table not used - */ - static function expire_feed_archive(): void { - $pdo = Db::pdo(); - - $pdo->query("DELETE FROM ttrss_archived_feeds"); - } - - static function expire_lock_files(): void { - Debug::log("Removing old lock files...", Debug::LOG_VERBOSE); - - $num_deleted = 0; - - if (is_writable(Config::get(Config::LOCK_DIRECTORY))) { - $files = glob(Config::get(Config::LOCK_DIRECTORY) . "/*.lock"); - - if ($files) { - foreach ($files as $file) { - if (!file_is_locked(basename($file)) && time() - filemtime($file) > 86400*2) { - unlink($file); - ++$num_deleted; - } - } - } - } - - Debug::log("Removed $num_deleted old lock files."); - } - - /** - * Source: http://www.php.net/manual/en/function.parse-url.php#104527 - * Returns the url query as associative array - * - * @param string query - * @return array params - */ - /* static function convertUrlQuery($query) { - $queryParts = explode('&', $query); - - $params = array(); - - foreach ($queryParts as $param) { - $item = explode('=', $param); - $params[$item[0]] = $item[1]; - } - - return $params; - } */ - - /** - * @param array<int, array<string, mixed>> $filters - * @param array<int, string> $tags - * @param array<int, array<string, mixed>>|null $matched_rules - * @param array<int, array<string, mixed>>|null $matched_filters - * - * @return array<int, array<string, string>> An array of filter action arrays with keys "type" and "param" - */ - static function get_article_filters(array $filters, string $title, string $content, string $link, string $author, array $tags, array &$matched_rules = null, array &$matched_filters = null): array { - $span = Tracer::start(__METHOD__); - - $matches = array(); - - foreach ($filters as $filter) { - $match_any_rule = $filter["match_any_rule"] ?? false; - $inverse = $filter["inverse"] ?? false; - $filter_match = false; - $last_processed_rule = false; - $regexp_matches = []; - - foreach ($filter["rules"] as $rule) { - $match = false; - $reg_exp = str_replace('/', '\/', (string)$rule["reg_exp"]); - $reg_exp = str_replace("\n", "", $reg_exp); // reg_exp may be formatted with CRs now because of textarea, we need to strip those - $rule_inverse = $rule["inverse"] ?? false; - $last_processed_rule = $rule; - - if (empty($reg_exp)) - continue; - - switch ($rule["type"]) { - case "title": - $match = @preg_match("/$reg_exp/iu", $title, $regexp_matches); - break; - case "content": - // we don't need to deal with multiline regexps - $content = (string)preg_replace("/[\r\n\t]/", "", $content); - - $match = @preg_match("/$reg_exp/iu", $content, $regexp_matches); - break; - case "both": - // we don't need to deal with multiline regexps - $content = (string)preg_replace("/[\r\n\t]/", "", $content); - - $match = (@preg_match("/$reg_exp/iu", $title, $regexp_matches) || @preg_match("/$reg_exp/iu", $content, $regexp_matches)); - break; - case "link": - $match = @preg_match("/$reg_exp/iu", $link, $regexp_matches); - break; - case "author": - $match = @preg_match("/$reg_exp/iu", $author, $regexp_matches); - break; - case "tag": - if (count($tags) == 0) - array_push($tags, ''); // allow matching if there are no tags - - foreach ($tags as $tag) { - if (@preg_match("/$reg_exp/iu", $tag, $regexp_matches)) { - $match = true; - break; - } - } - break; - } - - if ($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) { - $last_processed_rule["regexp_matches"] = $regexp_matches; - - if (is_array($matched_rules)) array_push($matched_rules, $last_processed_rule); - if (is_array($matched_filters)) array_push($matched_filters, $filter); - - foreach ($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; - } - } - } - - $span->end(); - - return $matches; - } - - /** - * @param array<int, array<string, string>> $filters An array of filter action arrays with keys "type" and "param" - * - * @return array<string, string>|null A filter action array with keys "type" and "param" - */ - static function find_article_filter(array $filters, string $filter_name): ?array { - foreach ($filters as $f) { - if ($f["type"] == $filter_name) { - return $f; - }; - } - return null; - } - - /** - * @param array<int, array<string, string>> $filters An array of filter action arrays with keys "type" and "param" - * - * @return array<int, array<string, string>> An array of filter action arrays with keys "type" and "param" - */ - static function find_article_filters(array $filters, string $filter_name): array { - $results = array(); - - foreach ($filters as $f) { - if ($f["type"] == $filter_name) { - array_push($results, $f); - }; - } - return $results; - } - - /** - * @param array<int, array<string, string>> $filters An array of filter action arrays with keys "type" and "param" - */ - static function calculate_article_score(array $filters): int { - $score = 0; - - foreach ($filters as $f) { - if ($f["type"] == "score") { - $score += $f["param"]; - }; - } - return $score; - } - - /** - * @param array<int, array<int, int|string>> $labels An array of label arrays like [int $feed_id, string $caption, string $fg_color, string $bg_color] - * - * @see Article::_get_labels() - */ - static function labels_contains_caption(array $labels, string $caption): bool { - foreach ($labels as $label) { - if ($label[1] == $caption) { - return true; - } - } - - return false; - } - - /** - * @param array<int, array<string, string>> $filters An array of filter action arrays with keys "type" and "param" - * @param array<int, array<int, int|string>> $article_labels An array of label arrays like [int $feed_id, string $caption, string $fg_color, string $bg_color] - */ - static function assign_article_to_label_filters(int $id, array $filters, int $owner_uid, $article_labels): void { - foreach ($filters as $f) { - if ($f["type"] == "label") { - if (!self::labels_contains_caption($article_labels, $f["param"])) { - Labels::add_article($id, $f["param"], $owner_uid); - } - } - } - } - - static function make_guid_from_title(string $title): ?string { - return preg_replace("/[ \"\',.:;]/", "-", - mb_strtolower(strip_tags($title), 'utf-8')); - } - - /* counter cache is no longer used, if called truncate leftover data */ - static function cleanup_counters_cache(): void { - $pdo = Db::pdo(); - - $pdo->query("DELETE FROM ttrss_counters_cache"); - $pdo->query("DELETE FROM ttrss_cat_counters_cache"); - } - - static function disable_failed_feeds(): void { - if (Config::get(Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT) > 0) { - - $pdo = Db::pdo(); - - $pdo->beginTransaction(); - - $days = Config::get(Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT); - - if (Config::get(Config::DB_TYPE) == "pgsql") { - $interval_query = "last_successful_update < NOW() - INTERVAL '$days days' AND last_updated > NOW() - INTERVAL '1 days'"; - } else /* if (Config::get(Config::DB_TYPE) == "mysql") */ { - $interval_query = "last_successful_update < DATE_SUB(NOW(), INTERVAL $days DAY) AND last_updated > DATE_SUB(NOW(), INTERVAL 1 DAY)"; - } - - $sth = $pdo->prepare("SELECT id, title, owner_uid - FROM ttrss_feeds - WHERE update_interval != -1 AND last_successful_update IS NOT NULL AND $interval_query"); - - $sth->execute(); - - while ($row = $sth->fetch()) { - Logger::log(E_USER_NOTICE, - sprintf("Auto disabling feed %d (%s, UID: %d) because it failed to update for %d days.", - $row["id"], clean($row["title"]), $row["owner_uid"], Config::get(Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT))); - - Debug::log(sprintf("Auto-disabling feed %d (%s) (failed to update for %d days).", $row["id"], - clean($row["title"]), Config::get(Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT))); - } - - $sth = $pdo->prepare("UPDATE ttrss_feeds SET update_interval = -1 WHERE - update_interval != -1 AND last_successful_update IS NOT NULL AND $interval_query"); - $sth->execute(); - - $pdo->commit(); - } - } - - static function housekeeping_user(int $owner_uid): void { - $tmph = new PluginHost(); - - UserHelper::load_user_plugins($owner_uid, $tmph); - - $tmph->run_hooks(PluginHost::HOOK_HOUSE_KEEPING); - } - - /** migrates favicons from legacy storage in feed-icons/ to cache/feed-icons/using new naming (sans .ico suffix) */ - static function migrate_feed_icons() : void { - $old_dir = Config::get(Config::ICONS_DIR); - $new_dir = Config::get(Config::CACHE_DIR) . '/feed-icons'; - - $dh = opendir($old_dir); - - $cache = DiskCache::instance('feed-icons'); - - if ($dh) { - while (($old_filename = readdir($dh)) !== false) { - if (strpos($old_filename, ".ico") !== false) { - $new_filename = str_replace(".ico", "", $old_filename); - $old_full_path = "$old_dir/$old_filename"; - - if (is_file($old_full_path) && $cache->put($new_filename, file_get_contents($old_full_path))) { - unlink($old_full_path); - } - } - } - - closedir($dh); - } - } - - static function housekeeping_common(): void { - $cache = DiskCache::instance(""); - $cache->expire_all(); - - self::migrate_feed_icons(); - self::expire_lock_files(); - self::expire_error_log(); - self::expire_feed_archive(); - self::cleanup_feed_browser(); - self::cleanup_feed_icons(); - self::disable_failed_feeds(); - - Article::_purge_orphans(); - self::cleanup_counters_cache(); - - PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING); - } - - /** - * @return false|string - */ - static function update_favicon(string $site_url, int $feed) { - $favicon_urls = self::get_favicon_urls($site_url); - - if (count($favicon_urls) == 0) { - Debug::log("favicon: couldn't find any favicon URLs for $site_url", Debug::LOG_VERBOSE); - return false; - } - - // i guess we'll have to go through all of them until something looks valid... - foreach ($favicon_urls as $favicon_url) { - - // Limiting to "image" type misses those served with text/plain - $contents = UrlHelper::fetch([ - 'url' => $favicon_url, - 'max_size' => Config::get(Config::MAX_FAVICON_FILE_SIZE), - //'type' => 'image', - ]); - - if (!$contents) { - Debug::log("favicon: fetching $favicon_url failed, skipping...", Debug::LOG_VERBOSE); - break; - } - - // TODO: we could use mime_conent_type() here instead of below hacks but we'll need to - // save every favicon to disk and go from there. - // also, if SVG is allowed in the future, we'll need to specifically forbid 'image/svg+xml'. - - // Crude image type matching. - // Patterns gleaned from the file(1) source code. - if (preg_match('/^\x00\x00\x01\x00/', $contents)) { - // 0 string \000\000\001\000 MS Windows icon resource - //error_log("update_favicon: favicon_url=$favicon_url isa MS Windows icon resource"); - } - elseif (preg_match('/^GIF8/', $contents)) { - // 0 string GIF8 GIF image data - //error_log("update_favicon: favicon_url=$favicon_url isa GIF image"); - } - elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) { - // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data - //error_log("update_favicon: favicon_url=$favicon_url isa PNG image"); - } - elseif (preg_match('/^\xff\xd8/', $contents)) { - // 0 beshort 0xffd8 JPEG image data - //error_log("update_favicon: favicon_url=$favicon_url isa JPG image"); - } - elseif (preg_match('/^BM/', $contents)) { - // 0 string BM PC bitmap (OS2, Windows BMP files) - //error_log("update_favicon, favicon_url=$favicon_url isa BMP image"); - } - else { - //error_log("update_favicon: favicon_url=$favicon_url isa UNKNOWN type"); - Debug::log("favicon $favicon_url type is unknown, skipping...", Debug::LOG_VERBOSE); - break; - } - - $favicon_cache = DiskCache::instance('feed-icons'); - - if ($favicon_cache->is_writable()) { - Debug::log("favicon: $favicon_url looks valid, saving to cache", Debug::LOG_VERBOSE); - - // we deal with this manually - if (!$favicon_cache->exists(".no-auto-expiry")) - $favicon_cache->put(".no-auto-expiry", ""); - - return $favicon_cache->put((string)$feed, $contents); - } else { - Debug::log("favicon: $favicon_url skipping, local cache is not writable", Debug::LOG_VERBOSE); - } - } - - return false; - } - - static function is_gzipped(string $feed_data): bool { - return strpos(substr($feed_data, 0, 3), - "\x1f" . "\x8b" . "\x08", 0) === 0; - } - - /** - * @return array<int, array<string, mixed>> An array of filter arrays with keys "id", "match_any_rule", "inverse", "rules", and "actions" - */ - static function load_filters(int $feed_id, int $owner_uid) { - $filters = array(); - - $feed_id = (int) $feed_id; - $cat_id = Feeds::_cat_of($feed_id); - - if (!$cat_id) - $null_cat_qpart = "cat_id IS NULL OR"; - else - $null_cat_qpart = ""; - - $pdo = Db::pdo(); - - $sth = $pdo->prepare("SELECT * FROM ttrss_filters2 WHERE - owner_uid = ? AND enabled = true ORDER BY order_id, title"); - $sth->execute([$owner_uid]); - - $check_cats = [...Feeds::_get_parent_cats($cat_id, $owner_uid), $cat_id]; - - $check_cats_str = join(",", $check_cats); - $check_cats_fullids = array_map(fn(int $a) => "CAT:$a", $check_cats); - - while ($line = $sth->fetch()) { - $filter_id = $line["id"]; - - $match_any_rule = sql_bool_to_bool($line["match_any_rule"]); - - $sth2 = $pdo->prepare("SELECT - r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, r.match_on, t.name AS type_name - FROM ttrss_filters2_rules AS r, - ttrss_filter_types AS t - WHERE - (match_on IS NOT NULL OR - (($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats_str)) AND - (feed_id IS NULL OR feed_id = ?))) AND - filter_type = t.id AND filter_id = ?"); - $sth2->execute([$feed_id, $filter_id]); - - $rules = array(); - $actions = array(); - - while ($rule_line = $sth2->fetch()) { - # print_r($rule_line); - - if ($rule_line["match_on"]) { - $match_on = json_decode($rule_line["match_on"], true); - - if (in_array("0", $match_on) || in_array($feed_id, $match_on) || count(array_intersect($check_cats_fullids, $match_on)) > 0) { - - $rule = array(); - $rule["reg_exp"] = $rule_line["reg_exp"]; - $rule["type"] = $rule_line["type_name"]; - $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]); - - array_push($rules, $rule); - } else if (!$match_any_rule) { - // this filter contains a rule that doesn't match to this feed/category combination - // thus filter has to be rejected - - $rules = []; - break; - } - - } else { - - $rule = array(); - $rule["reg_exp"] = $rule_line["reg_exp"]; - $rule["type"] = $rule_line["type_name"]; - $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]); - - array_push($rules, $rule); - } - } - - if (count($rules) > 0) { - $sth2 = $pdo->prepare("SELECT a.action_param,t.name AS type_name - FROM ttrss_filters2_actions AS a, - ttrss_filter_actions AS t - WHERE - action_id = t.id AND filter_id = ?"); - $sth2->execute([$filter_id]); - - while ($action_line = $sth2->fetch()) { - # print_r($action_line); - - $action = array(); - $action["type"] = $action_line["type_name"]; - $action["param"] = $action_line["action_param"]; - - array_push($actions, $action); - } - } - - $filter = []; - $filter["id"] = $filter_id; - $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]); - $filter["inverse"] = sql_bool_to_bool($line["inverse"]); - $filter["rules"] = $rules; - $filter["actions"] = $actions; - - if (count($rules) > 0 && count($actions) > 0) { - array_push($filters, $filter); - } - } - - return $filters; - } - - /** - * Returns first determined favicon URL for a feed. - * @param string $url A feed or page URL - * @access public - * @return false|string The favicon URL string, or false if none was found. - */ - static function get_favicon_url(string $url) { - - $favicon_urls = self::get_favicon_urls($url); - - if (count($favicon_urls) > 0) - return $favicon_urls[0]; - else - return false; - } - - /** - * Try to determine all favicon URLs for a feed. - * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/) - * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php - * - * @param string $url A feed or page URL - * @access public - * @return array<string> List of all determined favicon URLs or an empty array - */ - static function get_favicon_urls(string $url) : array { - - $favicon_urls = []; - - if ($html = @UrlHelper::fetch($url)) { - - $doc = new DOMDocument(); - if (@$doc->loadHTML($html)) { - $xpath = new DOMXPath($doc); - - $base = $xpath->query('/html/head/base[@href]'); - foreach ($base as $b) { - $url = UrlHelper::rewrite_relative($url, $b->getAttribute("href")); - break; - } - - $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon" or @rel="alternate icon"]'); - if (count($entries) > 0) { - foreach ($entries as $entry) { - $favicon_url = UrlHelper::rewrite_relative($url, $entry->getAttribute("href")); - - if ($favicon_url) - array_push($favicon_urls, $favicon_url); - - } - } - } - } - - if (count($favicon_urls) == 0) { - $favicon_url = UrlHelper::rewrite_relative($url, "/favicon.ico"); - - if ($favicon_url) - array_push($favicon_urls, $favicon_url); - } - - return $favicon_urls; - } - - /** - * @see https://community.tt-rss.org/t/problem-with-img-srcset/3519 - * - * @return array<int, array<string, string>> An array of srcset subitem arrays with keys "url" and "size" - */ - static function decode_srcset(string $srcset): array { - $matches = []; - - preg_match_all( - '/(?:\A|,)\s*(?P<url>(?!,)\S+(?<!,))\s*(?P<size>\s\d+w|\s\d+(?:\.\d+)?(?:[eE][+-]?\d+)?x|)\s*(?=,|\Z)/', - $srcset, $matches, PREG_SET_ORDER - ); - - foreach ($matches as $m) { - array_push($matches, [ - "url" => trim($m["url"]), - "size" => trim($m["size"]) - ]); - } - - return $matches; - } - - /** - * @param array<int, array<string, string>> $matches An array of srcset subitem arrays with keys "url" and "size" - */ - static function encode_srcset(array $matches): string { - $tokens = []; - - foreach ($matches as $m) { - array_push($tokens, trim($m["url"]) . " " . trim($m["size"])); - } - - return implode(",", $tokens); - } - - static function function_enabled(string $func): bool { - return !in_array($func, - explode(',', str_replace(" ", "", ini_get('disable_functions')))); - } -} |