<?php define('DAEMON_UPDATE_LOGIN_LIMIT', 30); define('DAEMON_FEED_LIMIT', 100); define('DAEMON_SLEEP_INTERVAL', 60); function update_feedbrowser_cache($link) { $result = db_query($link, "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($link, "BEGIN"); db_query($link, "DELETE FROM ttrss_feedbrowser_cache"); $count = 0; while ($line = db_fetch_assoc($result)) { $subscribers = db_escape_string($link, $line["subscribers"]); $feed_url = db_escape_string($link, $line["feed_url"]); $title = db_escape_string($link, $line["title"]); $site_url = db_escape_string($link, $line["site_url"]); $tmp_result = db_query($link, "SELECT subscribers FROM ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'"); if (db_num_rows($tmp_result) == 0) { db_query($link, "INSERT INTO ttrss_feedbrowser_cache (feed_url, site_url, title, subscribers) VALUES ('$feed_url', '$site_url', '$title', '$subscribers')"); ++$count; } } db_query($link, "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 $debug Set to false to disable debug output. Default to true. * @return void */ function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) { // Process all other feeds using last_updated and interval parameters 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 exceded). 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 OR last_updated = '1970-01-01 00:00:00')"; } 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 OR last_updated = '1970-01-01 00:00:00')"; } // 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 '5 minutes')"; } else { $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))"; } // Test if there is a limit to number of updated feeds $query_limit = ""; if($limit) $query_limit = sprintf("LIMIT %d", $limit); $random_qpart = sql_random_function(); // We search for feed needing update. $result = db_query($link, "SELECT DISTINCT ttrss_feeds.feed_url,$random_qpart FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE ttrss_feeds.owner_uid = ttrss_users.id 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 $random_qpart $query_limit"); $user_prefs_cache = array(); if($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($link, $line['feed_url'])); } // We update the feed last update started date before anything else. // There is no lag due to feed contents downloads // It prevent an other process to update the same feed. if(count($feeds_to_update) > 0) { $feeds_quoted = array(); foreach ($feeds_to_update as $feed) { array_push($feeds_quoted, "'" . db_escape_string($link, $feed) . "'"); } db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW() WHERE feed_url IN (%s)", implode(',', $feeds_quoted))); } expire_cached_files($debug); expire_lock_files($debug); $nf = 0; // For each feed, we call the feed update function. foreach ($feeds_to_update as $feed) { if($debug) _debug("Base feed: $feed"); //update_rss_feed($link, $line["id"], true); // since we have the data cached, we can deal with other feeds with the same url $tmp_result = db_query($link, "SELECT DISTINCT ttrss_feeds.id,last_updated 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 feed_url = '".db_escape_string($link, $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) { while ($tline = db_fetch_assoc($tmp_result)) { if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"]); update_rss_feed($link, $tline["id"], true); ++$nf; } } } require_once "digest.php"; // Send feed digests by email if needed. send_headlines_digests($link, $debug); return $nf; } // function update_daemon_common // ignore_daemon is not used function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false, $override_url = false) { require_once "lib/simplepie/simplepie.inc"; $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']; if ($debug_enabled) { _debug("update_rss_feed: start"); } $result = db_query($link, "SELECT id,update_interval,auth_login, feed_url,auth_pass,cache_images,last_updated, mark_unread_on_update, owner_uid, pubsub_state, auth_pass_encrypted FROM ttrss_feeds WHERE id = '$feed'"); if (db_num_rows($result) == 0) { if ($debug_enabled) { _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED"); } return false; } $last_updated = db_fetch_result($result, 0, "last_updated"); $owner_uid = db_fetch_result($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($link, "UPDATE ttrss_feeds SET last_update_started = NOW() WHERE id = '$feed'"); $auth_login = db_fetch_result($result, 0, "auth_login"); $auth_pass = db_fetch_result($result, 0, "auth_pass"); if ($auth_pass_encrypted) { require_once "crypt.php"; $auth_pass = decrypt_string($auth_pass); } $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); $fetch_url = db_fetch_result($result, 0, "feed_url"); $feed = db_escape_string($link, $feed); if ($override_url) $fetch_url = $override_url; $date_feed_processed = date('Y-m-d H:i'); $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".feed"; // Ignore cache if new feed or manual update. $cache_age = ($no_cache || is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ? 30 : get_feed_update_interval($link, $feed) * 60; if ($debug_enabled) { _debug("update_rss_feed: cache filename: $cache_filename exists: " . file_exists($cache_filename)); _debug("update_rss_feed: cache age: $cache_age; no cache: $no_cache"); } $cached_feed_data_hash = false; $rss = false; $rss_hash = false; $cache_timestamp = file_exists($cache_filename) ? filemtime($cache_filename) : 0; $last_updated_timestamp = strtotime($last_updated); $force_refetch = isset($_REQUEST["force_refetch"]); if (file_exists($cache_filename) && is_readable($cache_filename) && !$auth_login && !$auth_pass && filemtime($cache_filename) > time() - $cache_age) { if ($debug_enabled) { _debug("update_rss_feed: using local cache."); } if ($cache_timestamp > $last_updated_timestamp) { @$rss_data = file_get_contents($cache_filename); if ($rss_data) { $rss_hash = sha1($rss_data); @$rss = unserialize($rss_data); } } else if (!$force_refetch) { if ($debug_enabled) { _debug("update_rss_feed: local cache valid and older than last_updated, nothing to do."); } return; } } if (!$rss) { if (!$feed_data) { if ($debug_enabled) { _debug("update_rss_feed: fetching [$fetch_url] (ts: $cache_timestamp/$last_updated_timestamp)"); } $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, $force_refetch ? 0 : max($last_updated_timestamp, $cache_timestamp)); if ($debug_enabled) { _debug("update_rss_feed: fetch done."); } } if (!$feed_data) { global $fetch_last_error; global $fetch_last_error_code; if ($debug_enabled) { _debug("update_rss_feed: unable to fetch: $fetch_last_error [$fetch_last_error_code]"); } $error_escaped = ''; // If-Modified-Since if ($fetch_last_error_code != 304) { $error_escaped = db_escape_string($link, $fetch_last_error); } else { if ($debug_enabled) { _debug("update_rss_feed: source claims data not modified, nothing to do."); } } db_query($link, "UPDATE ttrss_feeds SET last_error = '$error_escaped', last_updated = NOW() WHERE id = '$feed'"); return; } } $pluginhost = new PluginHost($link); $pluginhost->set_debug($debug_enabled); $user_plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid); $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL); $pluginhost->load($user_plugins, $pluginhost::KIND_USER, $owner_uid); $pluginhost->load_data(); foreach ($pluginhost->get_hooks($pluginhost::HOOK_FEED_FETCHED) as $plugin) { $feed_data = $plugin->hook_feed_fetched($feed_data); } if (!$rss) { $rss = new SimplePie(); $rss->set_sanitize_class("SanitizeDummy"); // simplepie ignores the above and creates default sanitizer anyway, // so let's override it... $rss->sanitize = new SanitizeDummy(); $rss->set_output_encoding('UTF-8'); $rss->set_raw_data($feed_data); $rss->enable_cache(false); @$rss->init(); } // print_r($rss); $feed = db_escape_string($link, $feed); if (!$rss->error()) { // cache data for later if (!$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) { $rss_data = serialize($rss); $new_rss_hash = sha1($rss_data); if ($new_rss_hash != $rss_hash) { if ($debug_enabled) { _debug("update_rss_feed: saving $cache_filename"); } @file_put_contents($cache_filename, serialize($rss)); } } // We use local pluginhost here because we need to load different per-user feed plugins $pluginhost->run_hooks($pluginhost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss); if ($debug_enabled) { _debug("update_rss_feed: processing feed data..."); } // db_query($link, "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)"; } $result = db_query($link, "SELECT title,site_url,owner_uid, (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS favicon_needs_check FROM ttrss_feeds WHERE id = '$feed'"); $registered_title = db_fetch_result($result, 0, "title"); $orig_site_url = db_fetch_result($result, 0, "site_url"); $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check")); $owner_uid = db_fetch_result($result, 0, "owner_uid"); $site_url = db_escape_string($link, mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245)); if ($favicon_needs_check || $force_refetch) { if ($debug_enabled) { _debug("update_rss_feed: checking favicon..."); } check_feed_favicon($site_url, $feed, $link); $favicon_file = ICONS_DIR . "/$feed.ico"; if (file_exists($favicon_file)) { $favicon_color = calculate_avg_color($favicon_file); require_once "colors.php"; if (is_array($favicon_color)) $tmp = array($favicon_color['red'], $favicon_color['green'], $favicon_color['blue']); $favicon_colorstring = ",favicon_avg_color = '" . _color_pack($tmp) . "'"; } db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW() $favicon_colorstring WHERE id = '$feed'"); } if (!$registered_title || $registered_title == "[Unknown]") { $feed_title = db_escape_string($link, $rss->get_title()); if ($debug_enabled) { _debug("update_rss_feed: registering title: $feed_title"); } db_query($link, "UPDATE ttrss_feeds SET title = '$feed_title' WHERE id = '$feed'"); } if ($site_url && $orig_site_url != $site_url) { db_query($link, "UPDATE ttrss_feeds SET site_url = '$site_url' WHERE id = '$feed'"); } if ($debug_enabled) { _debug("update_rss_feed: loading filters & labels..."); } $filters = load_filters($link, $feed, $owner_uid); $labels = get_all_labels($link, $owner_uid); if ($debug_enabled) { //print_r($filters); _debug("update_rss_feed: " . count($filters) . " filters loaded."); } $items = $rss->get_items(); if (!is_array($items)) { if ($debug_enabled) { _debug("update_rss_feed: no articles found."); } db_query($link, "UPDATE ttrss_feeds SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); return; // no articles } if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) { if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub..."); $feed_hub_url = false; $links = $rss->get_links('hub'); if ($links && is_array($links)) { foreach ($links as $l) { $feed_hub_url = $l; break; } } if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url"); if ($feed_hub_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 = $s->subscribe($fetch_url); if ($debug_enabled) _debug("update_rss_feed: feed hub url found, subscribe request sent."); db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1 WHERE id = '$feed'"); } } if ($debug_enabled) { _debug("update_rss_feed: processing articles..."); } foreach ($items as $item) { if ($_REQUEST['xdebug'] == 3) { print_r($item); } $entry_guid = $item->get_id(); if (!$entry_guid) $entry_guid = $item->get_link(); if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title()); if ($debug_enabled) { _debug("update_rss_feed: guid $entry_guid"); } if (!$entry_guid) continue; $entry_guid = "$owner_uid,$entry_guid"; $entry_timestamp = ""; $entry_timestamp = strtotime($item->get_date()); if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) { $entry_timestamp = time(); $no_orig_date = 'true'; } else { $no_orig_date = 'false'; } $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp); if ($debug_enabled) { _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]"); } $entry_title = html_entity_decode($item->get_title()); $entry_link = rewrite_relative_url($site_url, $item->get_link()); if ($debug_enabled) { _debug("update_rss_feed: title $entry_title"); _debug("update_rss_feed: link $entry_link"); } if (!$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 "update_rss_feed: content: "; print $entry_content; print "\n"; } $entry_comments = $item->data["comments"]; if ($item->get_author()) { $entry_author_item = $item->get_author(); $entry_author = $entry_author_item->get_name(); if (!$entry_author) $entry_author = $entry_author_item->get_email(); $entry_author = db_escape_string($link, $entry_author); } $entry_guid = db_escape_string($link, mb_substr($entry_guid, 0, 245)); $entry_comments = db_escape_string($link, mb_substr($entry_comments, 0, 245)); $entry_author = db_escape_string($link, mb_substr($entry_author, 0, 245)); $num_comments = $item->get_item_tags('http://purl.org/rss/1.0/modules/slash/', 'comments'); if (is_array($num_comments) && is_array($num_comments[0])) { $num_comments = (int) $num_comments[0]["data"]; } else { $num_comments = 0; } if ($debug_enabled) { _debug("update_rss_feed: num_comments: $num_comments"); _debug("update_rss_feed: looking for tags [1]..."); } // 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, $tobj->get_term()); } } if ($debug_enabled) { _debug("update_rss_feed: category tags:"); print_r($additional_tags); } if ($debug_enabled) { _debug("update_rss_feed: looking for tags [2]..."); } $entry_tags = array_unique($additional_tags); for ($i = 0; $i < count($entry_tags); $i++) $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8'); if ($debug_enabled) { //_debug("update_rss_feed: unfiltered tags found:"); //print_r($entry_tags); } if ($debug_enabled) { _debug("update_rss_feed: done collecting data."); } // TODO: less memory-hungry implementation if ($debug_enabled) { _debug("update_rss_feed: applying plugin filters.."); } // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?) $result = db_query($link, "SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND guid = '".db_escape_string($link, $entry_guid)."' AND owner_uid = $owner_uid"); if (db_num_rows($result) != 0) { $entry_plugin_data = db_fetch_result($result, 0, "plugin_data"); $stored_article = array("title" => db_fetch_result($result, 0, "title"), "content" => db_fetch_result($result, 0, "content"), "link" => db_fetch_result($result, 0, "link"), "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")), "author" => db_fetch_result($result, 0, "author")); } else { $entry_plugin_data = ""; $stored_article = array(); } $article = array("owner_uid" => $owner_uid, // read only "guid" => $entry_guid, // read only "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "tags" => $entry_tags, "plugin_data" => $entry_plugin_data, "author" => $entry_author, "stored" => $stored_article); foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_FILTER) as $plugin) { $article = $plugin->hook_article_filter($article); } $entry_tags = $article["tags"]; $entry_guid = db_escape_string($link, $entry_guid); $entry_title = db_escape_string($link, $article["title"]); $entry_author = db_escape_string($link, $article["author"]); $entry_link = db_escape_string($link, $article["link"]); $entry_plugin_data = db_escape_string($link, $article["plugin_data"]); $entry_content = $article["content"]; // escaped below if ($debug_enabled) { _debug("update_rss_feed: plugin data: $entry_plugin_data"); } if ($cache_images && is_writable(CACHE_DIR . '/images')) cache_images($entry_content, $site_url, $debug_enabled); $entry_content = db_escape_string($link, $entry_content, false); $content_hash = "SHA1:" . sha1($entry_content); db_query($link, "BEGIN"); $result = db_query($link, "SELECT id FROM ttrss_entries WHERE guid = '$entry_guid'"); if (db_num_rows($result) == 0) { if ($debug_enabled) { _debug("update_rss_feed: base guid [$entry_guid] not found"); } // base post entry does not exist, create it $result = db_query($link, "INSERT INTO ttrss_entries (title, guid, link, updated, content, content_hash, cached_content, no_orig_date, date_updated, date_entered, comments, num_comments, plugin_data, author) VALUES ('$entry_title', '$entry_guid', '$entry_link', '$entry_timestamp_fmt', '$entry_content', '$content_hash', '', $no_orig_date, NOW(), '$date_feed_processed', '$entry_comments', '$num_comments', '$entry_plugin_data', '$entry_author')"); $article_labels = array(); } else { // 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($link, "UPDATE ttrss_entries SET date_updated = NOW() WHERE id = '$base_entry_id'"); $article_labels = get_article_labels($link, $base_entry_id, $owner_uid); } // now it should exist, if not - bad luck then $result = db_query($link, "SELECT id,content_hash,no_orig_date,title,plugin_data, ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated, ".SUBSTRING_FOR_DATE."(updated,1,19) as updated, num_comments FROM ttrss_entries WHERE guid = '$entry_guid'"); $entry_ref_id = 0; $entry_int_id = 0; if (db_num_rows($result) == 1) { if ($debug_enabled) { _debug("update_rss_feed: base guid [$entry_guid] found, checking for user record"); } // this will be used below in update handler $orig_content_hash = db_fetch_result($result, 0, "content_hash"); $orig_title = db_fetch_result($result, 0, "title"); $orig_num_comments = db_fetch_result($result, 0, "num_comments"); $orig_date_updated = strtotime(db_fetch_result($result, 0, "date_updated")); $orig_plugin_data = db_fetch_result($result, 0, "plugin_data"); $ref_id = db_fetch_result($result, 0, "id"); $entry_ref_id = $ref_id; // check for user post link to main table // do we allow duplicate posts with same GUID in different feeds? if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) { $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)"; } else { $dupcheck_qpart = ""; } /* Collect article tags here so we could filter by them: */ $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags); if ($debug_enabled) { _debug("update_rss_feed: article filters: "); if (count($article_filters) != 0) { print_r($article_filters); } } if (find_article_filter($article_filters, "filter")) { db_query($link, "COMMIT"); // close transaction in progress continue; } $score = calculate_article_score($article_filters); if ($debug_enabled) { _debug("update_rss_feed: initial score: $score"); } $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE ref_id = '$ref_id' AND owner_uid = '$owner_uid' $dupcheck_qpart"; // if ($_REQUEST["xdebug"]) print "$query\n"; $result = db_query($link, $query); // okay it doesn't exist - create user entry if (db_num_rows($result) == 0) { if ($debug_enabled) { _debug("update_rss_feed: user record not found, creating..."); } if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) { $unread = 'true'; $last_read_qpart = 'NULL'; } else { $unread = 'false'; $last_read_qpart = 'NOW()'; } if (find_article_filter($article_filters, 'mark') || $score > 1000) { $marked = 'true'; } else { $marked = 'false'; } if (find_article_filter($article_filters, 'publish')) { $published = 'true'; } else { $published = 'false'; } // N-grams if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) { $result = db_query($link, "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"); if ($debug_enabled) { _debug("update_rss_feed: N-gram similar results: $ngram_similar"); } if ($ngram_similar > 0) { $unread = 'false'; } } $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL'; $last_published = ($published == 'true') ? 'NOW()' : 'NULL'; $result = db_query($link, "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') { $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key($link, -2, false, $owner_uid); $p = new Publisher(PUBSUBHUBBUB_HUB); $pubsub_result = $p->publish_update($rss_link); } $result = db_query($link, "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 { if ($debug_enabled) { _debug("update_rss_feed: user record FOUND"); } $entry_ref_id = db_fetch_result($result, 0, "ref_id"); $entry_int_id = db_fetch_result($result, 0, "int_id"); } if ($debug_enabled) { _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id"); } $post_needs_update = false; $update_insignificant = false; if ($orig_num_comments != $num_comments) { $post_needs_update = true; $update_insignificant = true; } if ($entry_plugin_data != $orig_plugin_data) { $post_needs_update = true; $update_insignificant = true; } if ($content_hash != $orig_content_hash) { $post_needs_update = true; $update_insignificant = false; } if (db_escape_string($link, $orig_title) != $entry_title) { $post_needs_update = true; $update_insignificant = false; } // if post needs update, update it and mark all user entries // linking to this post as updated if ($post_needs_update) { if (defined('DAEMON_EXTENDED_DEBUG')) { _debug("update_rss_feed: post $entry_guid needs update..."); } // print "<!-- post $orig_title needs update : $post_needs_update -->"; db_query($link, "UPDATE ttrss_entries SET title = '$entry_title', content = '$entry_content', content_hash = '$content_hash', updated = '$entry_timestamp_fmt', num_comments = '$num_comments', plugin_data = '$entry_plugin_data' WHERE id = '$ref_id'"); if (!$update_insignificant) { if ($mark_unread_on_update) { db_query($link, "UPDATE ttrss_user_entries SET last_read = null, unread = true WHERE ref_id = '$ref_id'"); } } } } db_query($link, "COMMIT"); if ($debug_enabled) { _debug("update_rss_feed: assigning labels..."); } assign_article_to_label_filters($link, $entry_ref_id, $article_filters, $owner_uid, $article_labels); if ($debug_enabled) { _debug("update_rss_feed: looking for enclosures..."); } // enclosures $enclosures = array(); $encs = $item->get_enclosures(); if (is_array($encs)) { foreach ($encs as $e) { $e_item = array( $e->link, $e->type, $e->length); array_push($enclosures, $e_item); } } if ($debug_enabled) { _debug("update_rss_feed: article enclosures:"); print_r($enclosures); } db_query($link, "BEGIN"); foreach ($enclosures as $enc) { $enc_url = db_escape_string($link, $enc[0]); $enc_type = db_escape_string($link, $enc[1]); $enc_dur = db_escape_string($link, $enc[2]); $result = db_query($link, "SELECT id FROM ttrss_enclosures WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'"); if (db_num_rows($result) == 0) { db_query($link, "INSERT INTO ttrss_enclosures (content_url, content_type, title, duration, post_id) VALUES ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')"); } } db_query($link, "COMMIT"); // check for manual tags (we have to do it here since they're loaded from filters) foreach ($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 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link, '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 ($debug_enabled) { _debug("update_rss_feed: filtered article tags:"); print_r($filtered_tags); } // Save article tags in the database if (count($filtered_tags) > 0) { db_query($link, "BEGIN"); foreach ($filtered_tags as $tag) { $tag = sanitize_tag($tag); $tag = db_escape_string($link, $tag); if (!tag_is_valid($tag)) continue; $result = db_query($link, "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($result) == 0) { db_query($link, "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); $tags_str = db_escape_string($link, join(",", $tags_to_cache)); db_query($link, "UPDATE ttrss_user_entries SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id' AND owner_uid = $owner_uid"); db_query($link, "COMMIT"); } if (get_pref($link, "AUTO_ASSIGN_LABELS", $owner_uid, false)) { if ($debug_enabled) { _debug("update_rss_feed: auto-assigning labels..."); } foreach ($labels as $label) { $caption = preg_quote($label["caption"]); if ($caption && preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) { if (!labels_contains_caption($article_labels, $caption)) { label_add_article($link, $entry_ref_id, $caption, $owner_uid); } } } } if ($debug_enabled) { _debug("update_rss_feed: article processed"); } } if (!$last_updated) { if ($debug_enabled) { _debug("update_rss_feed: new feed, catching it up..."); } catchup_feed($link, $feed, false, $owner_uid); } if ($debug_enabled) { _debug("purging feed..."); } purge_feed($link, $feed, 0, $debug_enabled); db_query($link, "UPDATE ttrss_feeds SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); // db_query($link, "COMMIT"); } else { $error_msg = db_escape_string($link, mb_substr($rss->error(), 0, 245)); if ($debug_enabled) { _debug("update_rss_feed: error fetching feed: $error_msg"); } db_query($link, "UPDATE ttrss_feeds SET last_error = '$error_msg', last_updated = NOW() WHERE id = '$feed'"); } unset($rss); if ($debug_enabled) { _debug("update_rss_feed: done"); } } function cache_images($html, $site_url, $debug) { $cache_dir = CACHE_DIR . "/images"; 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) > 1024) { file_put_contents($local_filename, $file_content); } } if (file_exists($local_filename)) { $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' . base64_encode($src)); } } } $node = $doc->getElementsByTagName('body')->item(0); return $doc->saveXML($node); } 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 $file) { if (!file_is_locked($file) && time() - filemtime($file) > 86400*2) { unlink($file); ++$num_deleted; } } } } if ($debug) _debug("Removed $num_deleted files."); } function expire_cached_files($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("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 = $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": $tag_string = join(",", $tags); $match = @preg_match("/$reg_exp/i", $tag_string); break; } if ($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] == $caption) { return true; } } return false; } function assign_article_to_label_filters($link, $id, $filters, $owner_uid, $article_labels) { foreach ($filters as $f) { if ($f["type"] == "label") { if (!labels_contains_caption($article_labels, $f["param"])) { label_add_article($link, $id, $f["param"], $owner_uid); } } } } function make_guid_from_title($title) { return preg_replace("/[ \"\',.:;]/", "-", mb_strtolower(strip_tags($title), 'utf-8')); } ?>