diff options
Diffstat (limited to 'classes')
-rw-r--r-- | classes/api.php | 7 | ||||
-rwxr-xr-x | classes/feeds.php | 10 | ||||
-rwxr-xr-x | classes/pref/feeds.php | 14 | ||||
-rwxr-xr-x | classes/pref/filters.php | 4 | ||||
-rwxr-xr-x | classes/rpc.php | 4 | ||||
-rw-r--r-- | classes/rssutils.php | 1577 |
6 files changed, 1589 insertions, 27 deletions
diff --git a/classes/api.php b/classes/api.php index 1fc84884e..220d37981 100644 --- a/classes/api.php +++ b/classes/api.php @@ -412,12 +412,10 @@ class API extends Handler { } function updateFeed() { - require_once "include/rssfuncs.php"; - $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]); if (!ini_get("open_basedir")) { - update_rss_feed($feed_id); + RSSUtils::update_rss_feed($feed_id); } $this->wrap(self::STATUS_OK, array("status" => "OK")); @@ -678,8 +676,7 @@ class API extends Handler { $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); if (!$cache_images && time() - $last_updated > 120) { - include "rssfuncs.php"; - update_rss_feed($feed_id, true); + RSSUtils::update_rss_feed($feed_id, true); } else { db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01' WHERE id = '$feed_id'"); diff --git a/classes/feeds.php b/classes/feeds.php index 6c85bbf31..809a8ff98 100755 --- a/classes/feeds.php +++ b/classes/feeds.php @@ -202,8 +202,7 @@ class Feeds extends Handler_Protected { $cache_images = sql_bool_to_bool($this->dbh->fetch_result($result, 0, "cache_images")); if (!$cache_images && time() - $last_updated > 120) { - include "rssfuncs.php"; - update_rss_feed($feed, true); + RSSUtils::update_rss_feed($feed, true); } else { $this->dbh->query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01' WHERE id = '$feed'"); @@ -1222,8 +1221,7 @@ class Feeds extends Handler_Protected { <pre><?php if ($do_update) { - include "rssfuncs.php"; - update_rss_feed($feed_id, true); + RSSUtils::update_rss_feed($feed_id, true); } ?></pre> @@ -1491,8 +1489,6 @@ class Feeds extends Handler_Protected { global $fetch_last_error; global $fetch_last_error_content; - require_once "include/rssfuncs.php"; - $url = fix_url($url); if (!$url || !validate_feed_url($url)) return array("code" => 2); @@ -1550,7 +1546,7 @@ class Feeds extends Handler_Protected { $feed_id = db_fetch_result($result, 0, "id"); if ($feed_id) { - set_basic_feed_info($feed_id); + RSSUtils::set_basic_feed_info($feed_id); } return array("code" => 1, "feed_id" => (int) $feed_id); diff --git a/classes/pref/feeds.php b/classes/pref/feeds.php index f1eea93f7..78e0f2f2b 100755 --- a/classes/pref/feeds.php +++ b/classes/pref/feeds.php @@ -1024,9 +1024,7 @@ class Pref_Feeds extends Handler_Protected { WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]); if ($reset_basic_info) { - require_once "rssfuncs.php"; - - set_basic_feed_info($feed_id); + RSSUtils::set_basic_feed_info($feed_id); } PluginHost::getInstance()->run_hooks(PluginHost::HOOK_PREFS_SAVE_FEED, @@ -1147,8 +1145,6 @@ class Pref_Feeds extends Handler_Protected { } function rescore() { - require_once "rssfuncs.php"; - $ids = explode(",", $this->dbh->escape_string($_REQUEST["ids"])); foreach ($ids as $id) { @@ -1170,11 +1166,11 @@ class Pref_Feeds extends Handler_Protected { $tags = Article::get_article_tags($line["ref_id"]); - $article_filters = get_article_filters($filters, $line['title'], + $article_filters = RSSUtils::get_article_filters($filters, $line['title'], $line['content'], $line['link'], strtotime($line['updated']), $line['author'], $tags); - $new_score = calculate_article_score($article_filters); + $new_score = RSSUtils::calculate_article_score($article_filters); if (!$scores[$new_score]) $scores[$new_score] = array(); @@ -1227,11 +1223,11 @@ class Pref_Feeds extends Handler_Protected { $tags = Article::get_article_tags($line["ref_id"]); - $article_filters = get_article_filters($filters, $line['title'], + $article_filters = RSSUtils::get_article_filters($filters, $line['title'], $line['content'], $line['link'], strtotime($line['updated']), $line['author'], $tags); - $new_score = calculate_article_score($article_filters); + $new_score = RSSUtils::calculate_article_score($article_filters); if (!$scores[$new_score]) $scores[$new_score] = array(); diff --git a/classes/pref/filters.php b/classes/pref/filters.php index e4943a5a5..e5abf4627 100755 --- a/classes/pref/filters.php +++ b/classes/pref/filters.php @@ -44,8 +44,6 @@ class Pref_Filters extends Handler_Protected { } function testFilterDo() { - require_once "include/rssfuncs.php"; - $offset = (int) db_escape_string($_REQUEST["offset"]); $limit = (int) db_escape_string($_REQUEST["limit"]); @@ -129,7 +127,7 @@ class Pref_Filters extends Handler_Protected { while ($line = db_fetch_assoc($result)) { - $rc = get_article_filters(array($filter), $line['title'], $line['content'], $line['link'], + $rc = RSSUtils::get_article_filters(array($filter), $line['title'], $line['content'], $line['link'], $line['author'], explode(",", $line['tag_cache'])); if (count($rc) > 0) { diff --git a/classes/rpc.php b/classes/rpc.php index a31452bea..70ee423af 100755 --- a/classes/rpc.php +++ b/classes/rpc.php @@ -538,8 +538,6 @@ class RPC extends Handler_Protected { $feed_id = -1; - require_once "rssfuncs.php"; - $num_updated = 0; $tstart = time(); @@ -548,7 +546,7 @@ class RPC extends Handler_Protected { $feed_id = $line["id"]; if (time() - $tstart < ini_get("max_execution_time") * 0.7) { - update_rss_feed($feed_id, true); + RSSUtils::update_rss_feed($feed_id, true); ++$num_updated; } else { break; diff --git a/classes/rssutils.php b/classes/rssutils.php new file mode 100644 index 000000000..84d6941da --- /dev/null +++ b/classes/rssutils.php @@ -0,0 +1,1577 @@ +<?php +define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30); +define_default('DAEMON_FEED_LIMIT', 500); +define_default('DAEMON_SLEEP_INTERVAL', 120); +define_default('_MIN_CACHE_FILE_SIZE', 1024); + +class RSSUtils { + static function calculate_article_hash($article, $pluginhost) { + $tmp = ""; + + foreach ($article as $k => $v) { + if ($k != "feed" && isset($v)) { + $x = strip_tags(is_array($v) ? implode(",", $v) : $v); + + //_debug("$k:" . sha1($x) . ":" . htmlspecialchars($x), true); + + $tmp .= sha1("$k:" . sha1($x)); + } + } + + return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp); + } + + static function update_feedbrowser_cache() { + + $result = db_query("SELECT feed_url, site_url, title, COUNT(id) AS subscribers + FROM ttrss_feeds WHERE feed_url NOT IN (SELECT feed_url FROM ttrss_feeds + WHERE private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%') + GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000"); + + db_query("BEGIN"); + + db_query("DELETE FROM ttrss_feedbrowser_cache"); + + $count = 0; + + while ($line = db_fetch_assoc($result)) { + $subscribers = db_escape_string($line["subscribers"]); + $feed_url = db_escape_string($line["feed_url"]); + $title = db_escape_string($line["title"]); + $site_url = db_escape_string($line["site_url"]); + + $tmp_result = db_query("SELECT subscribers FROM + ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'"); + + if (db_num_rows($tmp_result) == 0) { + + db_query("INSERT INTO ttrss_feedbrowser_cache + (feed_url, site_url, title, subscribers) VALUES ('$feed_url', + '$site_url', '$title', '$subscribers')"); + + ++$count; + + } + + } + + db_query("COMMIT"); + + return $count; + + } + + static function update_daemon_common($limit = DAEMON_FEED_LIMIT, $debug = true) { + // Process all other feeds using last_updated and interval parameters + + $schema_version = get_schema_version(); + + if ($schema_version != SCHEMA_VERSION) { + die("Schema version is wrong, please upgrade the database.\n"); + } + + define('PREFS_NO_CACHE', true); + + // Test if the user has loggued in recently. If not, it does not update its feeds. + if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) { + if (DB_TYPE == "pgsql") { + $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'"; + } else { + $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)"; + } + } else { + $login_thresh_qpart = ""; + } + + // Test if the feed need a update (update interval exceeded). + if (DB_TYPE == "pgsql") { + $update_limit_qpart = "AND (( + ttrss_feeds.update_interval = 0 + AND ttrss_user_prefs.value != '-1' + AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL) + ) OR ( + ttrss_feeds.update_interval > 0 + AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL) + ) OR (ttrss_feeds.last_updated IS NULL + AND ttrss_user_prefs.value != '-1') + OR (last_updated = '1970-01-01 00:00:00' + AND ttrss_user_prefs.value != '-1'))"; + } else { + $update_limit_qpart = "AND (( + ttrss_feeds.update_interval = 0 + AND ttrss_user_prefs.value != '-1' + AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE) + ) OR ( + ttrss_feeds.update_interval > 0 + AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE) + ) OR (ttrss_feeds.last_updated IS NULL + AND ttrss_user_prefs.value != '-1') + OR (last_updated = '1970-01-01 00:00:00' + AND ttrss_user_prefs.value != '-1'))"; + } + + // Test if feed is currently being updated by another process. + if (DB_TYPE == "pgsql") { + $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '10 minutes')"; + } else { + $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))"; + } + + // Test if there is a limit to number of updated feeds + $query_limit = ""; + if($limit) $query_limit = sprintf("LIMIT %d", $limit); + + // Update the least recently updated feeds first + $query_order = "ORDER BY last_updated"; + if (DB_TYPE == "pgsql") $query_order .= " NULLS FIRST"; + + $query = "SELECT DISTINCT ttrss_feeds.feed_url, ttrss_feeds.last_updated + FROM + ttrss_feeds, ttrss_users, ttrss_user_prefs + WHERE + ttrss_feeds.owner_uid = ttrss_users.id + AND ttrss_user_prefs.profile IS NULL + AND ttrss_users.id = ttrss_user_prefs.owner_uid + AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' + $login_thresh_qpart $update_limit_qpart + $updstart_thresh_qpart + $query_order $query_limit"; + + // We search for feed needing update. + $result = db_query($query); + + if($debug) _debug(sprintf("Scheduled %d feeds to update...", db_num_rows($result))); + + // Here is a little cache magic in order to minimize risk of double feed updates. + $feeds_to_update = array(); + while ($line = db_fetch_assoc($result)) { + array_push($feeds_to_update, db_escape_string($line['feed_url'])); + } + + // We update the feed last update started date before anything else. + // There is no lag due to feed contents downloads + // It prevent an other process to update the same feed. + + if(count($feeds_to_update) > 0) { + $feeds_quoted = array(); + + foreach ($feeds_to_update as $feed) { + array_push($feeds_quoted, "'" . db_escape_string($feed) . "'"); + } + + db_query(sprintf("UPDATE ttrss_feeds SET last_update_started = NOW() + WHERE feed_url IN (%s)", implode(',', $feeds_quoted))); + } + + $nf = 0; + $bstarted = microtime(true); + + $batch_owners = array(); + + // For each feed, we call the feed update function. + foreach ($feeds_to_update as $feed) { + if($debug) _debug("Base feed: $feed"); + + //update_rss_feed($line["id"], true); + + // since we have the data cached, we can deal with other feeds with the same url + + $tmp_result = db_query("SELECT DISTINCT ttrss_feeds.id,last_updated,ttrss_feeds.owner_uid + FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE + ttrss_user_prefs.owner_uid = ttrss_feeds.owner_uid AND + ttrss_users.id = ttrss_user_prefs.owner_uid AND + ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' AND + ttrss_user_prefs.profile IS NULL AND + feed_url = '".db_escape_string($feed)."' + $update_limit_qpart + $login_thresh_qpart + ORDER BY ttrss_feeds.id $query_limit"); + + if (db_num_rows($tmp_result) > 0) { + while ($tline = db_fetch_assoc($tmp_result)) { + if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"] . " " . $tline["owner_uid"]); + + if (array_search($tline["owner_uid"], $batch_owners) === FALSE) + array_push($batch_owners, $tline["owner_uid"]); + + $fstarted = microtime(true); + RSSUtils::update_rss_feed($tline["id"], true, false); + _debug_suppress(false); + + _debug(sprintf(" %.4f (sec)", microtime(true) - $fstarted)); + + ++$nf; + } + } + } + + if ($nf > 0) { + _debug(sprintf("Processed %d feeds in %.4f (sec), %.4f (sec/feed avg)", $nf, + microtime(true) - $bstarted, (microtime(true) - $bstarted) / $nf)); + } + + foreach ($batch_owners as $owner_uid) { + _debug("Running housekeeping tasks for user $owner_uid..."); + + RSSUtils::housekeeping_user($owner_uid); + } + + // Send feed digests by email if needed. + Digest::send_headlines_digests($debug); + + return $nf; + + } + + // this is used when subscribing + static function set_basic_feed_info($feed) { + + $feed = db_escape_string($feed); + + $result = db_query("SELECT feed_url,auth_pass,auth_login,auth_pass_encrypted + FROM ttrss_feeds WHERE id = '$feed'"); + + $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, + 0, "auth_pass_encrypted")); + + $auth_login = db_fetch_result($result, 0, "auth_login"); + $auth_pass = db_fetch_result($result, 0, "auth_pass"); + + if ($auth_pass_encrypted && function_exists("mcrypt_decrypt")) { + require_once "crypt.php"; + $auth_pass = decrypt_string($auth_pass); + } + + $fetch_url = db_fetch_result($result, 0, "feed_url"); + + $feed_data = fetch_file_contents($fetch_url, false, + $auth_login, $auth_pass, false, + FEED_FETCH_TIMEOUT, + 0); + + global $fetch_curl_used; + + if (!$fetch_curl_used) { + $tmp = @gzdecode($feed_data); + + if ($tmp) $feed_data = $tmp; + } + + $feed_data = trim($feed_data); + + $rss = new FeedParser($feed_data); + $rss->init(); + + if (!$rss->error()) { + + $result = db_query("SELECT title, site_url FROM ttrss_feeds WHERE id = '$feed'"); + + $registered_title = db_fetch_result($result, 0, "title"); + $orig_site_url = db_fetch_result($result, 0, "site_url"); + + $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245)); + $feed_title = db_escape_string(mb_substr($rss->get_title(), 0, 199)); + + if ($feed_title && (!$registered_title || $registered_title == "[Unknown]")) { + db_query("UPDATE ttrss_feeds SET + title = '$feed_title' WHERE id = '$feed'"); + } + + if ($site_url && $orig_site_url != $site_url) { + db_query("UPDATE ttrss_feeds SET + site_url = '$site_url' WHERE id = '$feed'"); + } + } + } + + /** + * @SuppressWarnings(PHPMD.UnusedFormalParameter) + */ + static function update_rss_feed($feed, $no_cache = false) { + + $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']; + + _debug_suppress(!$debug_enabled); + _debug("start", $debug_enabled); + + $result = db_query("SELECT title FROM ttrss_feeds + WHERE id = '$feed'"); + + if (db_num_rows($result) == 0) { + _debug("feed $feed NOT FOUND/SKIPPED", $debug_enabled); + user_error("Attempt to update unknown/invalid feed $feed", E_USER_WARNING); + return false; + } + + $title = db_fetch_result($result, 0, "title"); + + // feed was batch-subscribed or something, we need to get basic info + // this is not optimal currently as it fetches stuff separately TODO: optimize + if ($title == "[Unknown]") { + _debug("setting basic feed info for $feed..."); + RSSUtils::set_basic_feed_info($feed); + } + + $result = db_query("SELECT id,update_interval,auth_login, + feed_url,auth_pass,cache_images, + mark_unread_on_update, owner_uid, + pubsub_state, auth_pass_encrypted, + feed_language + FROM ttrss_feeds WHERE id = '$feed'"); + + $owner_uid = db_fetch_result($result, 0, "owner_uid"); + $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, + 0, "mark_unread_on_update")); + $pubsub_state = db_fetch_result($result, 0, "pubsub_state"); + $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, + 0, "auth_pass_encrypted")); + + db_query("UPDATE ttrss_feeds SET last_update_started = NOW() + WHERE id = '$feed'"); + + $auth_login = db_fetch_result($result, 0, "auth_login"); + $auth_pass = db_fetch_result($result, 0, "auth_pass"); + + if ($auth_pass_encrypted && function_exists("mcrypt_decrypt")) { + require_once "crypt.php"; + $auth_pass = decrypt_string($auth_pass); + } + + $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); + $fetch_url = db_fetch_result($result, 0, "feed_url"); + $feed_language = db_escape_string(mb_strtolower(db_fetch_result($result, 0, "feed_language"))); + if (!$feed_language) $feed_language = 'english'; + + $feed = db_escape_string($feed); + + $date_feed_processed = date('Y-m-d H:i'); + + $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml"; + + $pluginhost = new PluginHost(); + $pluginhost->set_debug($debug_enabled); + $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid); + + $pluginhost->load(PLUGINS, PluginHost::KIND_ALL); + $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid); + $pluginhost->load_data(); + + $rss_hash = false; + + $force_refetch = isset($_REQUEST["force_refetch"]); + $feed_data = ""; + + foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) { + $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, 0, $auth_login, $auth_pass); + } + + // try cache + if (!$feed_data && + file_exists($cache_filename) && + is_readable($cache_filename) && + !$auth_login && !$auth_pass && + filemtime($cache_filename) > time() - 30) { + + _debug("using local cache [$cache_filename].", $debug_enabled); + + @$feed_data = file_get_contents($cache_filename); + + if ($feed_data) { + $rss_hash = sha1($feed_data); + } + + } else { + _debug("local cache will not be used for this feed", $debug_enabled); + } + + // fetch feed from source + if (!$feed_data) { + _debug("fetching [$fetch_url]...", $debug_enabled); + + if (ini_get("open_basedir") && function_exists("curl_init")) { + _debug("not using CURL due to open_basedir restrictions"); + } + + $feed_data = fetch_file_contents($fetch_url, false, + $auth_login, $auth_pass, false, + $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, + 0); + + global $fetch_curl_used; + + if (!$fetch_curl_used) { + $tmp = @gzdecode($feed_data); + + if ($tmp) $feed_data = $tmp; + } + + $feed_data = trim($feed_data); + + _debug("fetch done.", $debug_enabled); + + // cache vanilla feed data for re-use + if ($feed_data && !$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) { + $new_rss_hash = sha1($feed_data); + + if ($new_rss_hash != $rss_hash) { + _debug("saving $cache_filename", $debug_enabled); + @file_put_contents($cache_filename, $feed_data); + } + } + } + + if (!$feed_data) { + global $fetch_last_error; + global $fetch_last_error_code; + + _debug("unable to fetch: $fetch_last_error [$fetch_last_error_code]", $debug_enabled); + + $error_escaped = ''; + + // If-Modified-Since + if ($fetch_last_error_code != 304) { + $error_escaped = db_escape_string($fetch_last_error); + } else { + _debug("source claims data not modified, nothing to do.", $debug_enabled); + } + + db_query( + "UPDATE ttrss_feeds SET last_error = '$error_escaped', + last_updated = NOW() WHERE id = '$feed'"); + + return; + } + + foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) { + $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed); + } + + $rss = new FeedParser($feed_data); + $rss->init(); + + $feed = db_escape_string($feed); + + if (!$rss->error()) { + + // We use local pluginhost here because we need to load different per-user feed plugins + $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss); + + _debug("language: $feed_language", $debug_enabled); + _debug("processing feed data...", $debug_enabled); + +// db_query("BEGIN"); + + if (DB_TYPE == "pgsql") { + $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'"; + } else { + $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)"; + } + + $result = db_query("SELECT owner_uid,favicon_avg_color, + (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS + favicon_needs_check + FROM ttrss_feeds WHERE id = '$feed'"); + + $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, + "favicon_needs_check")); + $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color"); + + $owner_uid = db_fetch_result($result, 0, "owner_uid"); + + $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245)); + + _debug("site_url: $site_url", $debug_enabled); + _debug("feed_title: " . $rss->get_title(), $debug_enabled); + + if ($favicon_needs_check || $force_refetch) { + + /* terrible hack: if we crash on floicon shit here, we won't check + * the icon avgcolor again (unless the icon got updated) */ + + $favicon_file = ICONS_DIR . "/$feed.ico"; + $favicon_modified = @filemtime($favicon_file); + + _debug("checking favicon...", $debug_enabled); + + RSSUtils::check_feed_favicon($site_url, $feed); + $favicon_modified_new = @filemtime($favicon_file); + + if ($favicon_modified_new > $favicon_modified) + $favicon_avg_color = ''; + + if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') { + require_once "colors.php"; + + db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE + id = '$feed'"); + + $favicon_color = db_escape_string( + calculate_avg_color($favicon_file)); + + $favicon_colorstring = ",favicon_avg_color = '".$favicon_color."'"; + } else if ($favicon_avg_color == 'fail') { + _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled); + } + + db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW() + $favicon_colorstring + WHERE id = '$feed'"); + } + + _debug("loading filters & labels...", $debug_enabled); + + $filters = load_filters($feed, $owner_uid); + + _debug("" . count($filters) . " filters loaded.", $debug_enabled); + + $items = $rss->get_items(); + + if (!is_array($items)) { + _debug("no articles found.", $debug_enabled); + + db_query("UPDATE ttrss_feeds + SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); + + return; // no articles + } + + if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) { + + _debug("checking for PUSH hub...", $debug_enabled); + + $feed_hub_url = false; + + $links = $rss->get_links('hub'); + + if ($links && is_array($links)) { + foreach ($links as $l) { + $feed_hub_url = $l; + break; + } + } + + _debug("feed hub url: $feed_hub_url", $debug_enabled); + + $feed_self_url = $fetch_url; + + $links = $rss->get_links('self'); + + if ($links && is_array($links)) { + foreach ($links as $l) { + $feed_self_url = $l; + break; + } + } + + _debug("feed self url = $feed_self_url"); + + if ($feed_hub_url && $feed_self_url && function_exists('curl_init') && + !ini_get("open_basedir")) { + + require_once 'lib/pubsubhubbub/Subscriber.php'; + + $callback_url = get_self_url_prefix() . + "/public.php?op=pubsub&id=$feed"; + + $s = new Pubsubhubbub\Subscriber\Subscriber($feed_hub_url, $callback_url); + + $rc = $s->subscribe($feed_self_url); + + _debug("feed hub url found, subscribe request sent. [rc=$rc]", $debug_enabled); + + db_query("UPDATE ttrss_feeds SET pubsub_state = 1 + WHERE id = '$feed'"); + } + } + + _debug("processing articles...", $debug_enabled); + + $tstart = time(); + + foreach ($items as $item) { + if ($_REQUEST['xdebug'] == 3) { + print_r($item); + } + + if (ini_get("max_execution_time") > 0 && time() - $tstart >= ini_get("max_execution_time") * 0.7) { + _debug("looks like there's too many articles to process at once, breaking out", $debug_enabled); + break; + } + + $entry_guid = $item->get_id(); + if (!$entry_guid) $entry_guid = $item->get_link(); + if (!$entry_guid) $entry_guid = RSSUtils::make_guid_from_title($item->get_title()); + if (!$entry_guid) continue; + + $entry_guid = "$owner_uid,$entry_guid"; + + $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid)); + + _debug("guid $entry_guid / $entry_guid_hashed", $debug_enabled); + + $entry_timestamp = ""; + + $entry_timestamp = $item->get_date(); + + _debug("orig date: " . $item->get_date(), $debug_enabled); + + if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) { + $entry_timestamp = time(); + } + + $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp); + + _debug("date $entry_timestamp [$entry_timestamp_fmt]", $debug_enabled); + +// $entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8'); +// $entry_title = decode_numeric_entities($entry_title); + $entry_title = $item->get_title(); + + $entry_link = rewrite_relative_url($site_url, $item->get_link()); + + _debug("title $entry_title", $debug_enabled); + _debug("link $entry_link", $debug_enabled); + + if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);; + + $entry_content = $item->get_content(); + if (!$entry_content) $entry_content = $item->get_description(); + + if ($_REQUEST["xdebug"] == 2) { + print "content: "; + print htmlspecialchars($entry_content); + print "\n"; + } + + $entry_comments = db_escape_string(mb_substr($item->get_comments_url(), 0, 245)); + $num_comments = (int) $item->get_comments_count(); + + $entry_author = $item->get_author(); // escaped later + $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245)); + + _debug("author $entry_author", $debug_enabled); + _debug("num_comments: $num_comments", $debug_enabled); + _debug("looking for tags...", $debug_enabled); + + // parse <category> entries into tags + + $additional_tags = array(); + + $additional_tags_src = $item->get_categories(); + + if (is_array($additional_tags_src)) { + foreach ($additional_tags_src as $tobj) { + array_push($additional_tags, $tobj); + } + } + + $entry_tags = array_unique($additional_tags); + + for ($i = 0; $i < count($entry_tags); $i++) + $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8'); + + _debug("tags found: " . join(",", $entry_tags), $debug_enabled); + + _debug("done collecting data.", $debug_enabled); + + $result = db_query("SELECT id, content_hash, lang FROM ttrss_entries + WHERE guid = '".db_escape_string($entry_guid)."' OR guid = '$entry_guid_hashed'"); + + if (db_num_rows($result) != 0) { + $base_entry_id = db_fetch_result($result, 0, "id"); + $entry_stored_hash = db_fetch_result($result, 0, "content_hash"); + $article_labels = Article::get_article_labels($base_entry_id, $owner_uid); + $entry_language = db_fetch_result($result, 0, "lang"); + + $existing_tags = Article::get_article_tags($base_entry_id, $owner_uid); + $entry_tags = array_unique(array_merge($entry_tags, $existing_tags)); + + } else { + $base_entry_id = false; + $entry_stored_hash = ""; + $article_labels = array(); + $entry_language = ""; + } + + $article = array("owner_uid" => $owner_uid, // read only + "guid" => $entry_guid, // read only + "guid_hashed" => $entry_guid_hashed, // read only + "title" => $entry_title, + "content" => $entry_content, + "link" => $entry_link, + "labels" => $article_labels, // current limitation: can add labels to article, can't remove them + "tags" => $entry_tags, + "author" => $entry_author, + "force_catchup" => false, // ugly hack for the time being + "score_modifier" => 0, // no previous value, plugin should recalculate score modifier based on content if needed + "language" => $entry_language, + "feed" => array("id" => $feed, + "fetch_url" => $fetch_url, + "site_url" => $site_url, + "cache_images" => $cache_images) + ); + + $entry_plugin_data = ""; + $entry_current_hash = RSSUtils::calculate_article_hash($article, $pluginhost); + + _debug("article hash: $entry_current_hash [stored=$entry_stored_hash]", $debug_enabled); + + if ($entry_current_hash == $entry_stored_hash && !isset($_REQUEST["force_rehash"])) { + _debug("stored article seems up to date [IID: $base_entry_id], updating timestamp only", $debug_enabled); + + // we keep encountering the entry in feeds, so we need to + // update date_updated column so that we don't get horrible + // dupes when the entry gets purged and reinserted again e.g. + // in the case of SLOW SLOW OMG SLOW updating feeds + + $base_entry_id = db_fetch_result($result, 0, "id"); + + db_query("UPDATE ttrss_entries SET date_updated = NOW() + WHERE id = '$base_entry_id'"); + + continue; + } + + _debug("hash differs, applying plugin filters:", $debug_enabled); + + foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) { + _debug("... " . get_class($plugin), $debug_enabled); + + $start = microtime(true); + $article = $plugin->hook_article_filter($article); + + _debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled); + + $entry_plugin_data .= mb_strtolower(get_class($plugin)) . ","; + } + + if ($_REQUEST["xdebug"] == 2) { + print "processed content: "; + print htmlspecialchars($article["content"]); + print "\n"; + } + + $entry_plugin_data = db_escape_string($entry_plugin_data); + + _debug("plugin data: $entry_plugin_data", $debug_enabled); + + // Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077 + if (DB_TYPE == "mysql") { + foreach ($article as $k => $v) { + + // i guess we'll have to take the risk of 4byte unicode labels & tags here + if (is_string($article[$k])) { + $article[$k] = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $v); + } + } + } + + /* Collect article tags here so we could filter by them: */ + + $matched_rules = array(); + + $article_filters = RSSUtils::get_article_filters($filters, $article["title"], + $article["content"], $article["link"], $article["author"], + $article["tags"], $matched_rules); + + if ($debug_enabled) { + _debug("matched filter rules: ", $debug_enabled); + + if (count($matched_rules) != 0) { + print_r($matched_rules); + } + + _debug("filter actions: ", $debug_enabled); + + if (count($article_filters) != 0) { + print_r($article_filters); + } + } + + $plugin_filter_names = RSSUtils::find_article_filters($article_filters, "plugin"); + $plugin_filter_actions = $pluginhost->get_filter_actions(); + + if (count($plugin_filter_names) > 0) { + _debug("applying plugin filter actions...", $debug_enabled); + + foreach ($plugin_filter_names as $pfn) { + list($pfclass,$pfaction) = explode(":", $pfn["param"]); + + if (isset($plugin_filter_actions[$pfclass])) { + $plugin = $pluginhost->get_plugin($pfclass); + + _debug("... $pfclass: $pfaction", $debug_enabled); + + if ($plugin) { + $start = microtime(true); + $article = $plugin->hook_article_filter_action($article, $pfaction); + + _debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled); + } else { + _debug("??? $pfclass: plugin object not found."); + } + } else { + _debug("??? $pfclass: filter plugin not registered."); + } + } + } + + $entry_tags = $article["tags"]; + $entry_guid = db_escape_string($entry_guid); + $entry_title = db_escape_string($article["title"]); + $entry_author = db_escape_string(mb_substr($article["author"], 0, 245)); + $entry_link = db_escape_string($article["link"]); + $entry_content = $article["content"]; // escaped below + $entry_force_catchup = $article["force_catchup"]; + $article_labels = $article["labels"]; + $entry_score_modifier = (int) $article["score_modifier"]; + $entry_language = db_escape_string($article["language"]); + + if ($debug_enabled) { + _debug("article labels:", $debug_enabled); + + if (count($article_labels) != 0) { + print_r($article_labels); + } + } + + _debug("force catchup: $entry_force_catchup"); + + if ($cache_images && is_writable(CACHE_DIR . '/images')) + RSSUtils::cache_media($entry_content, $site_url, $debug_enabled); + + $entry_content = db_escape_string($entry_content, false); + + //db_query("BEGIN"); + + $result = db_query("SELECT id FROM ttrss_entries + WHERE (guid = '$entry_guid' OR guid = '$entry_guid_hashed')"); + + if (db_num_rows($result) == 0) { + + _debug("base guid [$entry_guid or $entry_guid_hashed] not found, creating...", $debug_enabled); + + // base post entry does not exist, create it + + db_query( + "INSERT INTO ttrss_entries + (title, + guid, + link, + updated, + content, + content_hash, + no_orig_date, + date_updated, + date_entered, + comments, + num_comments, + plugin_data, + lang, + author) + VALUES + ('$entry_title', + '$entry_guid_hashed', + '$entry_link', + '$entry_timestamp_fmt', + '$entry_content', + '$entry_current_hash', + false, + NOW(), + '$date_feed_processed', + '$entry_comments', + '$num_comments', + '$entry_plugin_data', + '$entry_language', + '$entry_author')"); + + } + + // now it should exist, if not - bad luck then + + $result = db_query("SELECT id FROM ttrss_entries + WHERE guid = '$entry_guid' OR guid = '$entry_guid_hashed'"); + + $entry_ref_id = 0; + $entry_int_id = 0; + + if (db_num_rows($result) == 1) { + + _debug("base guid found, checking for user record", $debug_enabled); + + $ref_id = db_fetch_result($result, 0, "id"); + $entry_ref_id = $ref_id; + + /* $stored_guid = db_fetch_result($result, 0, "guid"); + if ($stored_guid != $entry_guid_hashed) { + if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled); + + db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE + id = '$ref_id'"); + } */ + + if (RSSUtils::find_article_filter($article_filters, "filter")) { + //db_query("COMMIT"); // close transaction in progress + continue; + } + + $score = RSSUtils::calculate_article_score($article_filters) + $entry_score_modifier; + + _debug("initial score: $score [including plugin modifier: $entry_score_modifier]", $debug_enabled); + + // check for user post link to main table + + $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE + ref_id = '$ref_id' AND owner_uid = '$owner_uid'"; + +// if ($_REQUEST["xdebug"]) print "$query\n"; + + $result = db_query($query); + + // okay it doesn't exist - create user entry + if (db_num_rows($result) == 0) { + + _debug("user record not found, creating...", $debug_enabled); + + if ($score >= -500 && !RSSUtils::find_article_filter($article_filters, 'catchup') && !$entry_force_catchup) { + $unread = 'true'; + $last_read_qpart = 'NULL'; + } else { + $unread = 'false'; + $last_read_qpart = 'NOW()'; + } + + if (RSSUtils::find_article_filter($article_filters, 'mark') || $score > 1000) { + $marked = 'true'; + } else { + $marked = 'false'; + } + + if (RSSUtils::find_article_filter($article_filters, 'publish')) { + $published = 'true'; + } else { + $published = 'false'; + } + + $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL'; + $last_published = ($published == 'true') ? 'NOW()' : 'NULL'; + + $result = db_query( + "INSERT INTO ttrss_user_entries + (ref_id, owner_uid, feed_id, unread, last_read, marked, + published, score, tag_cache, label_cache, uuid, + last_marked, last_published) + VALUES ('$ref_id', '$owner_uid', '$feed', $unread, + $last_read_qpart, $marked, $published, '$score', '', '', + '', $last_marked, $last_published)"); + + if (PUBSUBHUBBUB_HUB && $published == 'true') { + $rss_link = get_self_url_prefix() . + "/public.php?op=rss&id=-2&key=" . + get_feed_access_key(-2, false, $owner_uid); + + $p = new pubsubhubbub\publisher\Publisher(PUBSUBHUBBUB_HUB); + + /* $pubsub_result = */ $p->publish_update($rss_link); + } + + $result = db_query( + "SELECT int_id FROM ttrss_user_entries WHERE + ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND + feed_id = '$feed' LIMIT 1"); + + if (db_num_rows($result) == 1) { + $entry_int_id = db_fetch_result($result, 0, "int_id"); + } + } else { + _debug("user record FOUND", $debug_enabled); + + $entry_ref_id = db_fetch_result($result, 0, "ref_id"); + $entry_int_id = db_fetch_result($result, 0, "int_id"); + } + + _debug("RID: $entry_ref_id, IID: $entry_int_id", $debug_enabled); + + if (DB_TYPE == "pgsql") { + $tsvector_combined = db_escape_string(mb_substr($entry_title . ' ' . strip_tags(str_replace('<', ' <', $entry_content)), + 0, 1000000)); + + $tsvector_qpart = "tsvector_combined = to_tsvector('$feed_language', '$tsvector_combined'),"; + + } else { + $tsvector_qpart = ""; + } + + db_query("UPDATE ttrss_entries + SET title = '$entry_title', + content = '$entry_content', + content_hash = '$entry_current_hash', + updated = '$entry_timestamp_fmt', + $tsvector_qpart + num_comments = '$num_comments', + plugin_data = '$entry_plugin_data', + author = '$entry_author', + lang = '$entry_language' + WHERE id = '$ref_id'"); + + // update aux data + db_query("UPDATE ttrss_user_entries + SET score = '$score' WHERE ref_id = '$ref_id'"); + + if ($mark_unread_on_update) { + _debug("article updated, marking unread as requested.", $debug_enabled); + + db_query("UPDATE ttrss_user_entries + SET last_read = null, unread = true WHERE ref_id = '$ref_id'"); + } + } + + //db_query("COMMIT"); + + _debug("assigning labels [other]...", $debug_enabled); + + foreach ($article_labels as $label) { + Labels::add_article($entry_ref_id, $label[1], $owner_uid); + } + + _debug("assigning labels [filters]...", $debug_enabled); + + RSSUtils::assign_article_to_label_filters($entry_ref_id, $article_filters, + $owner_uid, $article_labels); + + _debug("looking for enclosures...", $debug_enabled); + + // enclosures + + $enclosures = array(); + + $encs = $item->get_enclosures(); + + if (is_array($encs)) { + foreach ($encs as $e) { + $e_item = array( + rewrite_relative_url($site_url, $e->link), + $e->type, $e->length, $e->title, $e->width, $e->height); + array_push($enclosures, $e_item); + } + } + + if ($cache_images && is_writable(CACHE_DIR . '/images')) + RSSUtils::cache_enclosures($enclosures, $site_url, $debug_enabled); + + if ($debug_enabled) { + _debug("article enclosures:", $debug_enabled); + print_r($enclosures); + } + + //db_query("BEGIN"); + +// debugging +// db_query("DELETE FROM ttrss_enclosures WHERE post_id = '$entry_ref_id'"); + + foreach ($enclosures as $enc) { + $enc_url = db_escape_string($enc[0]); + $enc_type = db_escape_string($enc[1]); + $enc_dur = db_escape_string($enc[2]); + $enc_title = db_escape_string($enc[3]); + $enc_width = intval($enc[4]); + $enc_height = intval($enc[5]); + + $result = db_query("SELECT id FROM ttrss_enclosures + WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'"); + + if (db_num_rows($result) == 0) { + db_query("INSERT INTO ttrss_enclosures + (content_url, content_type, title, duration, post_id, width, height) VALUES + ('$enc_url', '$enc_type', '$enc_title', '$enc_dur', '$entry_ref_id', $enc_width, $enc_height)"); + } + } + + //db_query("COMMIT"); + + // check for manual tags (we have to do it here since they're loaded from filters) + + foreach ($article_filters as $f) { + if ($f["type"] == "tag") { + + $manual_tags = trim_array(explode(",", $f["param"])); + + foreach ($manual_tags as $tag) { + if (tag_is_valid($tag)) { + array_push($entry_tags, $tag); + } + } + } + } + + // Skip boring tags + + $boring_tags = trim_array(explode(",", mb_strtolower(get_pref( + 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8'))); + + $filtered_tags = array(); + $tags_to_cache = array(); + + if ($entry_tags && is_array($entry_tags)) { + foreach ($entry_tags as $tag) { + if (array_search($tag, $boring_tags) === false) { + array_push($filtered_tags, $tag); + } + } + } + + $filtered_tags = array_unique($filtered_tags); + + if ($debug_enabled) { + _debug("filtered article tags:", $debug_enabled); + print_r($filtered_tags); + } + + // Save article tags in the database + + if (count($filtered_tags) > 0) { + + //db_query("BEGIN"); + + foreach ($filtered_tags as $tag) { + + $tag = sanitize_tag($tag); + $tag = db_escape_string($tag); + + if (!tag_is_valid($tag)) continue; + + $result = db_query("SELECT id FROM ttrss_tags + WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND + owner_uid = '$owner_uid' LIMIT 1"); + + if ($result && db_num_rows($result) == 0) { + + db_query("INSERT INTO ttrss_tags + (owner_uid,tag_name,post_int_id) + VALUES ('$owner_uid','$tag', '$entry_int_id')"); + } + + array_push($tags_to_cache, $tag); + } + + /* update the cache */ + + $tags_to_cache = array_unique($tags_to_cache); + + $tags_str = db_escape_string(join(",", $tags_to_cache)); + + db_query("UPDATE ttrss_user_entries + SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id' + AND owner_uid = $owner_uid"); + + //db_query("COMMIT"); + } + + _debug("article processed", $debug_enabled); + } + + _debug("purging feed...", $debug_enabled); + + purge_feed($feed, 0, $debug_enabled); + + db_query("UPDATE ttrss_feeds + SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); + +// db_query("COMMIT"); + + } else { + + $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245)); + + _debug("fetch error: $error_msg", $debug_enabled); + + if (count($rss->errors()) > 1) { + foreach ($rss->errors() as $error) { + _debug("+ $error"); + } + } + + db_query( + "UPDATE ttrss_feeds SET last_error = '$error_msg', + last_updated = NOW() WHERE id = '$feed'"); + + unset($rss); + return; + } + + _debug("done", $debug_enabled); + + return true; + } + + static function cache_enclosures($enclosures, $site_url, $debug) { + foreach ($enclosures as $enc) { + + if (preg_match("/(image|audio|video)/", $enc[1])) { + + $src = rewrite_relative_url($site_url, $enc[0]); + + $local_filename = CACHE_DIR . "/images/" . sha1($src); + + if ($debug) _debug("cache_enclosures: downloading: $src to $local_filename"); + + if (!file_exists($local_filename)) { + $file_content = fetch_file_contents($src); + + if ($file_content && strlen($file_content) > _MIN_CACHE_FILE_SIZE) { + file_put_contents($local_filename, $file_content); + } + } else { + touch($local_filename); + } + } + } + } + + static function cache_media($html, $site_url, $debug) { + libxml_use_internal_errors(true); + + $charset_hack = '<head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> + </head>'; + + $doc = new DOMDocument(); + $doc->loadHTML($charset_hack . $html); + $xpath = new DOMXPath($doc); + + $entries = $xpath->query('(//img[@src])|(//video/source[@src])|(//audio/source[@src])'); + + foreach ($entries as $entry) { + if ($entry->hasAttribute('src') && strpos($entry->getAttribute('src'), "data:") !== 0) { + $src = rewrite_relative_url($site_url, $entry->getAttribute('src')); + + $local_filename = CACHE_DIR . "/images/" . sha1($src); + + if ($debug) _debug("cache_media: downloading: $src to $local_filename"); + + if (!file_exists($local_filename)) { + $file_content = fetch_file_contents($src); + + if ($file_content && strlen($file_content) > _MIN_CACHE_FILE_SIZE) { + file_put_contents($local_filename, $file_content); + } + } else { + touch($local_filename); + } + } + } + } + + static 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)"); + } + + } + + static 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 $num_deleted old lock files."); + } + + static function expire_cached_files($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 $num_deleted files."); + } + } + + /** + * Source: http://www.php.net/manual/en/function.parse-url.php#104527 + * Returns the url query as associative array + * + * @param string query + * @return array params + */ + static function convertUrlQuery($query) { + $queryParts = explode('&', $query); + + $params = array(); + + foreach ($queryParts as $param) { + $item = explode('=', $param); + $params[$item[0]] = $item[1]; + } + + return $params; + } + + static function get_article_filters($filters, $title, $content, $link, $author, $tags, &$matched_rules = false) { + $matches = array(); + + foreach ($filters as $filter) { + $match_any_rule = $filter["match_any_rule"]; + $inverse = $filter["inverse"]; + $filter_match = false; + + foreach ($filter["rules"] as $rule) { + $match = false; + $reg_exp = str_replace('/', '\/', $rule["reg_exp"]); + $rule_inverse = $rule["inverse"]; + + if (!$reg_exp) + continue; + + switch ($rule["type"]) { + case "title": + $match = @preg_match("/$reg_exp/iu", $title); + break; + case "content": + // we don't need to deal with multiline regexps + $content = preg_replace("/[\r\n\t]/", "", $content); + + $match = @preg_match("/$reg_exp/iu", $content); + break; + case "both": + // we don't need to deal with multiline regexps + $content = preg_replace("/[\r\n\t]/", "", $content); + + $match = (@preg_match("/$reg_exp/iu", $title) || @preg_match("/$reg_exp/iu", $content)); + break; + case "link": + $match = @preg_match("/$reg_exp/iu", $link); + break; + case "author": + $match = @preg_match("/$reg_exp/iu", $author); + break; + case "tag": + foreach ($tags as $tag) { + if (@preg_match("/$reg_exp/iu", $tag)) { + $match = true; + break; + } + } + break; + } + + if ($rule_inverse) $match = !$match; + + if ($match_any_rule) { + if ($match) { + $filter_match = true; + break; + } + } else { + $filter_match = $match; + if (!$match) { + break; + } + } + } + + if ($inverse) $filter_match = !$filter_match; + + if ($filter_match) { + if (is_array($matched_rules)) array_push($matched_rules, $rule); + + foreach ($filter["actions"] AS $action) { + array_push($matches, $action); + + // if Stop action encountered, perform no further processing + if (isset($action["type"]) && $action["type"] == "stop") return $matches; + } + } + } + + return $matches; + } + + static function find_article_filter($filters, $filter_name) { + foreach ($filters as $f) { + if ($f["type"] == $filter_name) { + return $f; + }; + } + return false; + } + + static function find_article_filters($filters, $filter_name) { + $results = array(); + + foreach ($filters as $f) { + if ($f["type"] == $filter_name) { + array_push($results, $f); + }; + } + return $results; + } + + static function calculate_article_score($filters) { + $score = 0; + + foreach ($filters as $f) { + if ($f["type"] == "score") { + $score += $f["param"]; + }; + } + return $score; + } + + static function labels_contains_caption($labels, $caption) { + foreach ($labels as $label) { + if ($label[1] == $caption) { + return true; + } + } + + return false; + } + + static function assign_article_to_label_filters($id, $filters, $owner_uid, $article_labels) { + foreach ($filters as $f) { + if ($f["type"] == "label") { + if (!RSSUtils::labels_contains_caption($article_labels, $f["param"])) { + Labels::add_article($id, $f["param"], $owner_uid); + } + } + } + } + + static function make_guid_from_title($title) { + return preg_replace("/[ \"\',.:;]/", "-", + mb_strtolower(strip_tags($title), 'utf-8')); + } + + static function cleanup_counters_cache($debug) { + $result = db_query("DELETE FROM ttrss_counters_cache + WHERE feed_id > 0 AND + (SELECT COUNT(id) FROM ttrss_feeds WHERE + id = feed_id AND + ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid) = 0"); + $frows = db_affected_rows($result); + + $result = db_query("DELETE FROM ttrss_cat_counters_cache + WHERE feed_id > 0 AND + (SELECT COUNT(id) FROM ttrss_feed_categories WHERE + id = feed_id AND + ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid) = 0"); + $crows = db_affected_rows($result); + + if ($debug) _debug("Removed $frows (feeds) $crows (cats) orphaned counter cache entries."); + } + + static function housekeeping_user($owner_uid) { + $tmph = new PluginHost(); + + load_user_plugins($owner_uid, $tmph); + + $tmph->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", ""); + } + + static function housekeeping_common($debug) { + RSSUtils::expire_cached_files($debug); + RSSUtils::expire_lock_files($debug); + RSSUtils::expire_error_log($debug); + + $count = RSSUtils::update_feedbrowser_cache(); + _debug("Feedbrowser updated, $count feeds processed."); + + Article::purge_orphans( true); + RSSUtils::cleanup_counters_cache($debug); + + //$rc = cleanup_tags( 14, 50000); + //_debug("Cleaned $rc cached tags."); + + PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", ""); + } + + static function check_feed_favicon($site_url, $feed) { + # print "FAVICON [$site_url]: $favicon_url\n"; + + $icon_file = ICONS_DIR . "/$feed.ico"; + + if (!file_exists($icon_file)) { + $favicon_url = get_favicon_url($site_url); + + if ($favicon_url) { + // Limiting to "image" type misses those served with text/plain + $contents = fetch_file_contents($favicon_url); // , "image"); + + if ($contents) { + // Crude image type matching. + // Patterns gleaned from the file(1) source code. + if (preg_match('/^\x00\x00\x01\x00/', $contents)) { + // 0 string \000\000\001\000 MS Windows icon resource + //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource"); + } + elseif (preg_match('/^GIF8/', $contents)) { + // 0 string GIF8 GIF image data + //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image"); + } + elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) { + // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data + //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image"); + } + elseif (preg_match('/^\xff\xd8/', $contents)) { + // 0 beshort 0xffd8 JPEG image data + //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image"); + } + else { + //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type"); + $contents = ""; + } + } + + if ($contents) { + $fp = @fopen($icon_file, "w"); + + if ($fp) { + fwrite($fp, $contents); + fclose($fp); + chmod($icon_file, 0644); + } + } + } + return $icon_file; + } + } + + + +}
\ No newline at end of file |