<?php define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30); define_default('DAEMON_FEED_LIMIT', 500); define_default('DAEMON_SLEEP_INTERVAL', 120); define_default('_MIN_CACHE_IMAGE_SIZE', 1024); function calculate_article_hash($article, $pluginhost) { $tmp = ""; foreach ($article as $k => $v) { if ($k != "feed" && isset($v)) { $tmp .= sha1("$k:" . (is_array($v) ? implode(",", $v) : $v)); } } 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 (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf WHERE tf.feed_url = ttrss_feeds.feed_url AND (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; } /** * Update a feed batch. * Used by daemons to update n feeds by run. * Only update feed needing a update, and not being processed * by another process. * * @param mixed $link Database link * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT. * @param boolean $from_http Set to true if you call this function from http to disable cli specific code. * @param boolean $debug Set to false to disable debug output. Default to true. * @return void */ function update_daemon_common($limit = DAEMON_FEED_LIMIT, $from_http = false, $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); $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 ORDER BY last_updated $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; $bstarted = microtime(true); // For each feed, we call the feed update function. foreach ($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)."' AND (ttrss_feeds.update_interval > 0 OR ttrss_user_prefs.value != '-1') $login_thresh_qpart ORDER BY ttrss_feeds.id $query_limit"); if (db_num_rows($tmp_result) > 0) { $rss = false; while ($tline = db_fetch_assoc($tmp_result)) { if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"] . " " . $tline["owner_uid"]); $fstarted = microtime(true); $rss = update_rss_feed($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) / $nf)); } require_once "digest.php"; // Send feed digests by email if needed. send_headlines_digests($debug); return $nf; } // function update_daemon_common // this is used when subscribing function set_basic_feed_info($feed) { $feed = db_escape_string($feed); $result = db_query("SELECT feed_url,auth_pass,auth_pass_encrypted FROM ttrss_feeds WHERE id = '$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) { 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_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 = '$feed'"); } } } // ignore_daemon is not used function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false, $rss = false) { $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']; _debug_suppress(!$debug_enabled); _debug("start", $debug_enabled); $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$feed'"); $title = db_fetch_result($result, 0, "title"); // feed was batch-subscribed or something, we need to get basic info // this is not optimal currently as it fetches stuff separately TODO: optimize if ($title == "[Unknown]") { _debug("setting basic feed info for $feed..."); set_basic_feed_info($feed); } $result = db_query("SELECT id,update_interval,auth_login, feed_url,auth_pass,cache_images, mark_unread_on_update, owner_uid, pubsub_state, auth_pass_encrypted, feed_language, (SELECT max(date_entered) FROM ttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '$feed') AS last_article_timestamp FROM ttrss_feeds WHERE id = '$feed'"); if (db_num_rows($result) == 0) { _debug("feed $feed NOT FOUND/SKIPPED", $debug_enabled); return false; } $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp")); if (defined('_DISABLE_HTTP_304')) $last_article_timestamp = 0; $owner_uid = db_fetch_result($result, 0, "owner_uid"); $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update")); $pubsub_state = db_fetch_result($result, 0, "pubsub_state"); $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, 0, "auth_pass_encrypted")); db_query("UPDATE ttrss_feeds SET last_update_started = NOW() WHERE id = '$feed'"); $auth_login = db_fetch_result($result, 0, "auth_login"); $auth_pass = db_fetch_result($result, 0, "auth_pass"); if ($auth_pass_encrypted) { require_once "crypt.php"; $auth_pass = decrypt_string($auth_pass); } $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); $fetch_url = db_fetch_result($result, 0, "feed_url"); $feed_language = db_escape_string(mb_strtolower(db_fetch_result($result, 0, "feed_language"))); if (!$feed_language) $feed_language = 'english'; $feed = db_escape_string($feed); $date_feed_processed = date('Y-m-d H:i'); $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml"; $pluginhost = new PluginHost(); $pluginhost->set_debug($debug_enabled); $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid); $pluginhost->load(PLUGINS, PluginHost::KIND_ALL); $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid); $pluginhost->load_data(); if ($rss && is_object($rss) && get_class($rss) == "FeedParser") { _debug("using previously initialized parser object"); } else { $rss_hash = false; $force_refetch = isset($_REQUEST["force_refetch"]); foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) { $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass); } // try cache if (!$feed_data && file_exists($cache_filename) && is_readable($cache_filename) && !$auth_login && !$auth_pass && filemtime($cache_filename) > time() - 30) { _debug("using local cache [$cache_filename].", $debug_enabled); @$feed_data = file_get_contents($cache_filename); if ($feed_data) { $rss_hash = sha1($feed_data); } } else { _debug("local cache will not be used for this feed", $debug_enabled); } // fetch feed from source if (!$feed_data) { _debug("fetching [$fetch_url]...", $debug_enabled); _debug("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $last_article_timestamp), $debug_enabled); $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, $force_refetch ? 0 : $last_article_timestamp); global $fetch_curl_used; if (!$fetch_curl_used) { $tmp = @gzdecode($feed_data); if ($tmp) $feed_data = $tmp; } $feed_data = trim($feed_data); _debug("fetch done.", $debug_enabled); // cache vanilla feed data for re-use if ($feed_data && !$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) { $new_rss_hash = sha1($feed_data); if ($new_rss_hash != $rss_hash) { _debug("saving $cache_filename", $debug_enabled); @file_put_contents($cache_filename, $feed_data); } } } if (!$feed_data) { global $fetch_last_error; global $fetch_last_error_code; _debug("unable to fetch: $fetch_last_error [$fetch_last_error_code]", $debug_enabled); $error_escaped = ''; // If-Modified-Since if ($fetch_last_error_code != 304) { $error_escaped = db_escape_string($fetch_last_error); } else { _debug("source claims data not modified, nothing to do.", $debug_enabled); } db_query( "UPDATE ttrss_feeds SET last_error = '$error_escaped', last_updated = NOW() WHERE id = '$feed'"); return; } } foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) { $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed); } // set last update to now so if anything *simplepie* crashes later we won't be // continuously failing on the same feed //db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'"); if (!$rss) { $rss = new FeedParser($feed_data); $rss->init(); } // print_r($rss); $feed = db_escape_string($feed); if (!$rss->error()) { // We use local pluginhost here because we need to load different per-user feed plugins $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss); _debug("language: $feed_language", $debug_enabled); _debug("processing feed data...", $debug_enabled); // db_query("BEGIN"); if (DB_TYPE == "pgsql") { $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'"; } else { $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)"; } $result = db_query("SELECT owner_uid,favicon_avg_color, (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"; $s = new Subscriber($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 $entry_content; print "\n"; } $entry_comments = $item->get_comments_url(); $entry_author = $item->get_author(); $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245)); $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245)); $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245)); $num_comments = (int) $item->get_comments_count(); _debug("author $entry_author", $debug_enabled); _debug("num_comments: $num_comments", $debug_enabled); _debug("looking for tags...", $debug_enabled); // parse <category> entries into tags $additional_tags = array(); $additional_tags_src = $item->get_categories(); if (is_array($additional_tags_src)) { foreach ($additional_tags_src as $tobj) { array_push($additional_tags, $tobj); } } $entry_tags = array_unique($additional_tags); for ($i = 0; $i < count($entry_tags); $i++) $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8'); _debug("tags found: " . join(",", $entry_tags), $debug_enabled); _debug("done collecting data.", $debug_enabled); $result = db_query("SELECT id, content_hash, lang FROM ttrss_entries WHERE guid = '".db_escape_string($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"); $article_labels = get_article_labels($base_entry_id, $owner_uid); $entry_language = db_fetch_result($result, 0, "lang"); } else { $base_entry_id = false; $entry_stored_hash = ""; $article_labels = array(); $entry_language = ""; } $article = array("owner_uid" => $owner_uid, // 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) ); $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'"); // if we allow duplicate posts, we have to continue to // create the user entries for this feed if (!get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) { continue; } } _debug("hash differs, applying plugin filters:", $debug_enabled); foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) { _debug("... " . get_class($plugin), $debug_enabled); $start = microtime(true); $article = $plugin->hook_article_filter($article); _debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled); $entry_plugin_data .= mb_strtolower(get_class($plugin)) . ","; } $entry_plugin_data = db_escape_string($entry_plugin_data); _debug("plugin data: $entry_plugin_data", $debug_enabled); // Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077 if (DB_TYPE == "mysql") { foreach ($article as $k => $v) { // i guess we'll have to take the risk of 4byte unicode labels & tags here if (!is_array($article[$k])) { $article[$k] = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $v); } } } /* Collect article tags here so we could filter by them: */ $article_filters = get_article_filters($filters, $article["title"], $article["content"], $article["link"], 0, $article["author"], $article["tags"]); if ($debug_enabled) { _debug("article filters: ", $debug_enabled); if (count($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"]); $entry_author = db_escape_string($article["author"]); $entry_link = db_escape_string($article["link"]); $entry_content = $article["content"]; // escaped below $entry_force_catchup = $article["force_catchup"]; $article_labels = $article["labels"]; $entry_score_modifier = (int) $article["score_modifier"]; $entry_language = db_escape_string($article["language"]); if ($debug_enabled) { _debug("article labels:", $debug_enabled); print_r($article_labels); } _debug("force catchup: $entry_force_catchup"); if ($cache_images && is_writable(CACHE_DIR . '/images')) cache_images($entry_content, $site_url, $debug_enabled); $entry_content = db_escape_string($entry_content, false); //db_query("BEGIN"); $result = db_query("SELECT id FROM ttrss_entries WHERE (guid = '$entry_guid' OR guid = '$entry_guid_hashed')"); if (db_num_rows($result) == 0) { _debug("base guid [$entry_guid] not found", $debug_enabled); // base post entry does not exist, create it $result = db_query( "INSERT INTO ttrss_entries (title, guid, link, updated, content, content_hash, no_orig_date, date_updated, date_entered, comments, num_comments, plugin_data, lang, author) VALUES ('$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')"); } else { $base_entry_id = db_fetch_result($result, 0, "id"); } // now it should exist, if not - bad luck then $result = db_query("SELECT id FROM ttrss_entries WHERE guid = '$entry_guid' OR guid = '$entry_guid_hashed'"); $entry_ref_id = 0; $entry_int_id = 0; if (db_num_rows($result) == 1) { _debug("base guid found, checking for user record", $debug_enabled); $ref_id = db_fetch_result($result, 0, "id"); $entry_ref_id = $ref_id; /* $stored_guid = db_fetch_result($result, 0, "guid"); if ($stored_guid != $entry_guid_hashed) { if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled); db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE id = '$ref_id'"); } */ // check for user post link to main table // do we allow duplicate posts with same GUID in different feeds? if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) { $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)"; } else { $dupcheck_qpart = ""; } if (find_article_filter($article_filters, "filter")) { //db_query("COMMIT"); // close transaction in progress continue; } $score = calculate_article_score($article_filters) + $entry_score_modifier; _debug("initial score: $score [including plugin modifier: $entry_score_modifier]", $debug_enabled); $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' $dupcheck_qpart"; // if ($_REQUEST["xdebug"]) print "$query\n"; $result = db_query($query); // okay it doesn't exist - create user entry if (db_num_rows($result) == 0) { _debug("user record not found, creating...", $debug_enabled); if ($score >= -500 && !find_article_filter($article_filters, 'catchup') && !$entry_force_catchup) { $unread = 'true'; $last_read_qpart = 'NULL'; } else { $unread = 'false'; $last_read_qpart = 'NOW()'; } if (find_article_filter($article_filters, 'mark') || $score > 1000) { $marked = 'true'; } else { $marked = 'false'; } if (find_article_filter($article_filters, 'publish')) { $published = 'true'; } else { $published = 'false'; } // N-grams /* if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) { $result = db_query("SELECT COUNT(*) AS similar FROM ttrss_entries,ttrss_user_entries WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day' AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD." AND owner_uid = $owner_uid"); $ngram_similar = db_fetch_result($result, 0, "similar"); _debug("N-gram similar results: $ngram_similar", $debug_enabled); if ($ngram_similar > 0) { $unread = 'false'; } } */ $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL'; $last_published = ($published == 'true') ? 'NOW()' : 'NULL'; $result = db_query( "INSERT INTO ttrss_user_entries (ref_id, owner_uid, feed_id, unread, last_read, marked, published, score, tag_cache, label_cache, uuid, last_marked, last_published) VALUES ('$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 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 ($mark_unread_on_update) { db_query("UPDATE ttrss_user_entries SET last_read = null, unread = true WHERE ref_id = '$ref_id'"); } } //db_query("COMMIT"); _debug("assigning labels [other]...", $debug_enabled); foreach ($article_labels as $label) { label_add_article($entry_ref_id, $label[1], $owner_uid); } _debug("assigning labels [filters]...", $debug_enabled); assign_article_to_label_filters($entry_ref_id, $article_filters, $owner_uid, $article_labels); _debug("looking for enclosures...", $debug_enabled); // enclosures $enclosures = array(); $encs = $item->get_enclosures(); if (is_array($encs)) { foreach ($encs as $e) { $e_item = array( $e->link, $e->type, $e->length, $e->title, $e->width, $e->height); array_push($enclosures, $e_item); } } if ($debug_enabled) { _debug("article enclosures:", $debug_enabled); print_r($enclosures); } //db_query("BEGIN"); // debugging // db_query("DELETE FROM ttrss_enclosures WHERE post_id = '$entry_ref_id'"); foreach ($enclosures as $enc) { $enc_url = db_escape_string($enc[0]); $enc_type = db_escape_string($enc[1]); $enc_dur = db_escape_string($enc[2]); $enc_title = db_escape_string($enc[3]); $enc_width = intval($enc[4]); $enc_height = intval($enc[5]); $result = db_query("SELECT id FROM ttrss_enclosures WHERE content_url = '$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); } _debug("done", $debug_enabled); return $rss; } function cache_images($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 = $xpath->query('(//img[@src])'); foreach ($entries as $entry) { if ($entry->hasAttribute('src')) { $src = rewrite_relative_url($site_url, $entry->getAttribute('src')); $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png"; if ($debug) _debug("cache_images: downloading: $src to $local_filename"); if (!file_exists($local_filename)) { $file_content = fetch_file_contents($src); if ($file_content && strlen($file_content) > _MIN_CACHE_IMAGE_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, $timestamp, $author, $tags) { $matches = array(); foreach ($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/i", $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/i", $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/i", $title) || @preg_match("/$reg_exp/i", $content)); break; case "link": $match = @preg_match("/$reg_exp/i", $link); break; case "author": $match = @preg_match("/$reg_exp/i", $author); break; case "tag": foreach ($tags as $tag) { if (@preg_match("/$reg_exp/i", $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 ($filter_match) { foreach ($filter["actions"] AS $action) { array_push($matches, $action); // if Stop action encountered, perform no further processing if ($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, $f["param"])) { label_add_article($id, $f["param"], $owner_uid); } } } } function make_guid_from_title($title) { return preg_replace("/[ \"\',.:;]/", "-", mb_strtolower(strip_tags($title), 'utf-8')); } /* function verify_feed_xml($feed_data) { libxml_use_internal_errors(true); $doc = new DOMDocument(); $doc->loadXML($feed_data); $error = libxml_get_last_error(); libxml_clear_errors(); return $error; } */ function cleanup_counters_cache($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); _debug("Removed $frows (feeds) $crows (cats) orphaned counter cache entries."); } function housekeeping_common($debug) { expire_cached_files($debug); expire_lock_files($debug); expire_error_log($debug); $count = update_feedbrowser_cache(); _debug("Feedbrowser updated, $count feeds processed."); purge_orphans( true); cleanup_counters_cache($debug); $rc = cleanup_tags( 14, 50000); _debug("Cleaned $rc cached tags."); PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", ""); } ?>