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- <?php
- define('DAEMON_UPDATE_LOGIN_LIMIT', 30);
- define('DAEMON_FEED_LIMIT', 100);
- define('DAEMON_SLEEP_INTERVAL', 120);
- 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)) {
- $subscribers = db_escape_string($line["subscribers"]);
- $feed_url = db_escape_string($line["feed_url"]);
- $title = db_escape_string($line["title"]);
- $site_url = db_escape_string($line["site_url"]);
- $tmp_result = db_query($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_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_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 ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
- ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
- ttrss_feeds.update_interval
- 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...\n", 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)) {
- $feeds_to_update[$line['id']] = $line;
- }
- // 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.
- $feed_ids = array_keys($feeds_to_update);
- if($feed_ids) {
- db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
- WHERE id IN (%s)", implode(',', $feed_ids)));
- }
- expire_cached_files($debug);
- // For each feed, we call the feed update function.
- while ($line = array_pop($feeds_to_update)) {
- if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
- update_rss_feed($link, $line["id"], true);
- sleep(1); // prevent flood (FIXME make this an option?)
- }
- // Send feed digests by email if needed.
- send_headlines_digests($link, $debug);
- } // function update_daemon_common
- function fetch_twitter_rss($link, $url, $owner_uid) {
- require_once 'lib/tmhoauth/tmhOAuth.php';
- require_once "lib/magpierss/rss_fetch.inc";
- require_once 'lib/magpierss/rss_utils.inc';
- $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
- WHERE id = $owner_uid");
- $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
- $url_escaped = db_escape_string($url);
- if ($access_token) {
- $tmhOAuth = new tmhOAuth(array(
- 'consumer_key' => CONSUMER_KEY,
- 'consumer_secret' => CONSUMER_SECRET,
- 'user_token' => $access_token['oauth_token'],
- 'user_secret' => $access_token['oauth_token_secret'],
- ));
- $code = $tmhOAuth->request('GET', $url,
- convertUrlQuery(parse_url($url, PHP_URL_QUERY)));
- if ($code == 200) {
- $content = $tmhOAuth->response['response'];
- define('MAGPIE_CACHE_ON', false);
- $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
- MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
- return $rss;
- } else {
- db_query($link, "UPDATE ttrss_feeds
- SET last_error = 'OAuth authorization failed ($code).'
- WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
- }
- } else {
- db_query($link, "UPDATE ttrss_feeds
- SET last_error = 'OAuth information not found.'
- WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
- return false;
- }
- }
- function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false,
- $override_url = false) {
- global $plugins;
- require_once "lib/simplepie/simplepie.inc";
- require_once "lib/magpierss/rss_fetch.inc";
- require_once 'lib/magpierss/rss_utils.inc';
- $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
- if (!$_REQUEST["daemon"] && !$ignore_daemon) {
- return false;
- }
- if ($debug_enabled) {
- _debug("update_rss_feed: start");
- }
- if (!$ignore_daemon) {
- if (DB_TYPE == "pgsql") {
- $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
- } else {
- $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
- }
- $result = db_query($link, "SELECT id,update_interval,auth_login,
- auth_pass,cache_images,update_method,last_updated
- FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
- } else {
- $result = db_query($link, "SELECT id,update_interval,auth_login,
- feed_url,auth_pass,cache_images,update_method,last_updated,
- mark_unread_on_update, owner_uid, update_on_checksum_change,
- pubsub_state
- 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;
- }
- $update_method = db_fetch_result($result, 0, "update_method");
- $last_updated = db_fetch_result($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"));
- $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
- 0, "update_on_checksum_change"));
- $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
- 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 ($update_method == 0)
- $update_method = DEFAULT_UPDATE_METHOD + 1;
- // 1 - Magpie
- // 2 - SimplePie
- // 3 - Twitter OAuth
- if ($update_method == 2)
- $use_simplepie = true;
- else
- $use_simplepie = false;
- if ($debug_enabled) {
- _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
- }
- if ($update_method == 1) {
- $auth_login = urlencode($auth_login);
- $auth_pass = urlencode($auth_pass);
- }
- $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
- $fetch_url = db_fetch_result($result, 0, "feed_url");
- $feed = db_escape_string($feed);
- if ($auth_login && $auth_pass ){
- $url_parts = array();
- preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
- if ($url_parts[1] && $url_parts[2]) {
- $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
- }
- }
- if ($override_url)
- $fetch_url = $override_url;
- if ($debug_enabled) {
- _debug("update_rss_feed: fetching [$fetch_url]...");
- }
- // Ignore cache if new feed or manual update.
- $cache_age = (is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ?
- -1 : get_feed_update_interval($link, $feed) * 60;
- if ($update_method == 3) {
- $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
- } else if ($update_method == 1) {
- define('MAGPIE_CACHE_AGE', $cache_age);
- define('MAGPIE_CACHE_ON', !$no_cache);
- define('MAGPIE_FETCH_TIME_OUT', 60);
- define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
- $rss = @fetch_rss($fetch_url);
- } else {
- $simplepie_cache_dir = CACHE_DIR . "/simplepie";
- if (!is_dir($simplepie_cache_dir)) {
- mkdir($simplepie_cache_dir);
- }
- $rss = new SimplePie();
- $rss->set_useragent(SELF_USER_AGENT);
- # $rss->set_timeout(10);
- $rss->set_feed_url($fetch_url);
- $rss->set_output_encoding('UTF-8');
- //$rss->force_feed(true);
- if ($debug_enabled) {
- _debug("feed update interval (sec): " .
- get_feed_update_interval($link, $feed)*60);
- }
- $rss->enable_cache(!$no_cache);
- if (!$no_cache) {
- $rss->set_cache_location($simplepie_cache_dir);
- $rss->set_cache_duration($cache_age);
- }
- $rss->init();
- }
- // print_r($rss);
- if ($debug_enabled) {
- _debug("update_rss_feed: fetch done, parsing...");
- }
- $feed = db_escape_string($feed);
- if ($update_method == 2) {
- $fetch_ok = !$rss->error();
- } else {
- $fetch_ok = !!$rss;
- }
- if ($fetch_ok) {
- if ($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,icon_url,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");
- $orig_icon_url = db_fetch_result($result, 0, "icon_url");
- $orig_site_url = db_fetch_result($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");
- if ($use_simplepie) {
- $site_url = db_escape_string(trim($rss->get_link()));
- } else {
- $site_url = db_escape_string(trim($rss->channel["link"]));
- }
- // weird, weird Magpie
- if (!$use_simplepie) {
- if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
- }
- $site_url = rewrite_relative_url($fetch_url, $site_url);
- $site_url = substr($site_url, 0, 250);
- if ($debug_enabled) {
- _debug("update_rss_feed: checking favicon...");
- }
- if ($favicon_needs_check) {
- check_feed_favicon($site_url, $feed, $link);
- db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW()
- WHERE id = '$feed'");
- }
- if (!$registered_title || $registered_title == "[Unknown]") {
- if ($use_simplepie) {
- $feed_title = db_escape_string($rss->get_title());
- } else {
- $feed_title = db_escape_string($rss->channel["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'");
- }
- // print "I: " . $rss->channel["image"]["url"];
- if (!$use_simplepie) {
- $icon_url = db_escape_string(trim($rss->image["url"]));
- } else {
- $icon_url = db_escape_string(trim($rss->get_image_url()));
- }
- $icon_url = rewrite_relative_url($fetch_url, $icon_url);
- $icon_url = substr($icon_url, 0, 250);
- if ($icon_url && $orig_icon_url != $icon_url) {
- db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
- }
- if ($debug_enabled) {
- _debug("update_rss_feed: loading filters...");
- }
- $filters = load_filters($link, $feed, $owner_uid);
- // if ($debug_enabled) {
- // print_r($filters);
- // }
- if ($use_simplepie) {
- $iterator = $rss->get_items();
- } else {
- $iterator = $rss->items;
- if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
- if (!$iterator || !is_array($iterator)) $iterator = $rss;
- }
- if (!is_array($iterator)) {
- /* db_query($link, "UPDATE ttrss_feeds
- SET last_error = 'Parse error: can\'t find any articles.'
- WHERE id = '$feed'"); */
- // clear any errors and mark feed as updated if fetched okay
- // even if it's blank
- if ($debug_enabled) {
- _debug("update_rss_feed: entry iterator is not an array, no articles?");
- }
- db_query($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...");
- $feed_hub_url = false;
- if ($use_simplepie) {
- $links = $rss->get_links('hub');
- if ($links && is_array($links)) {
- foreach ($links as $l) {
- $feed_hub_url = $l;
- break;
- }
- }
- } else {
- $atom = $rss->channel['atom'];
- if ($atom) {
- if ($atom['link@rel'] == 'hub') {
- $feed_hub_url = $atom['link@href'];
- }
- if (!$feed_hub_url && $atom['link#'] > 1) {
- for ($i = 2; $i <= $atom['link#']; $i++) {
- if ($atom["link#$i@rel"] == 'hub') {
- $feed_hub_url = $atom["link#$i@href"];
- break;
- }
- }
- }
- } else {
- $feed_hub_url = $rss->channel['link_hub'];
- }
- }
- if ($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 ($iterator as $item) {
- $hook_params = array("item" => &$item, "feed" => $feed);
- $plugins->hook('rss_update_item', $hook_params);
- if ($_REQUEST['xdebug'] == 2) {
- print_r($item);
- }
- if ($use_simplepie) {
- $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());
- } else {
- $entry_guid = $item["id"];
- if (!$entry_guid) $entry_guid = $item["guid"];
- if (!$entry_guid) $entry_guid = $item["about"];
- if (!$entry_guid) $entry_guid = $item["link"];
- if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
- }
- if ($debug_enabled) {
- _debug("update_rss_feed: guid $entry_guid");
- }
- if (!$entry_guid) continue;
- $entry_timestamp = "";
- if ($use_simplepie) {
- $entry_timestamp = strtotime($item->get_date());
- } else {
- $rss_2_date = $item['pubdate'];
- $rss_1_date = $item['dc']['date'];
- $atom_date = $item['issued'];
- if (!$atom_date) $atom_date = $item['updated'];
- if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
- if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
- if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
- }
- if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
- $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]");
- }
- if ($use_simplepie) {
- $entry_title = $item->get_title();
- } else {
- $entry_title = trim(strip_tags($item["title"]));
- }
- if ($use_simplepie) {
- $entry_link = $item->get_link();
- } else {
- // strange Magpie workaround
- $entry_link = $item["link_"];
- if (!$entry_link) $entry_link = $item["link"];
- }
- $entry_link = rewrite_relative_url($site_url, $entry_link);
- if ($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);;
- $entry_link = strip_tags($entry_link);
- if ($use_simplepie) {
- $entry_content = $item->get_content();
- if (!$entry_content) $entry_content = $item->get_description();
- } else {
- $entry_content = $item["content:escaped"];
- if (!$entry_content) $entry_content = $item["content:encoded"];
- if (!$entry_content && is_array($entry_content)) $entry_content = $item["content"]["encoded"];
- if (!$entry_content) $entry_content = $item["content"];
- if (is_array($entry_content)) $entry_content = $entry_content[0];
- // Magpie bugs are getting ridiculous
- if (trim($entry_content) == "Array") $entry_content = false;
- if (!$entry_content) $entry_content = $item["atom_content"];
- if (!$entry_content) $entry_content = $item["summary"];
- if (!$entry_content ||
- strlen($entry_content) < strlen($item["description"])) {
- $entry_content = $item["description"];
- };
- // WTF
- if (is_array($entry_content)) {
- $entry_content = $entry_content["encoded"];
- if (!$entry_content) $entry_content = $entry_content["escaped"];
- }
- }
- if ($cache_images && is_writable(CACHE_DIR . '/images'))
- $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
- if ($_REQUEST["xdebug"] == 2) {
- print "update_rss_feed: content: ";
- print $entry_content;
- print "\n";
- }
- $entry_content_unescaped = $entry_content;
- if ($use_simplepie) {
- $entry_comments = strip_tags($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();
- $entry_author = db_escape_string($entry_author);
- }
- } else {
- $entry_comments = strip_tags($item["comments"]);
- $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
- if ($item['author']) {
- if (is_array($item['author'])) {
- if (!$entry_author) {
- $entry_author = db_escape_string(strip_tags($item['author']['name']));
- }
- if (!$entry_author) {
- $entry_author = db_escape_string(strip_tags($item['author']['email']));
- }
- }
- if (!$entry_author) {
- $entry_author = db_escape_string(strip_tags($item['author']));
- }
- }
- }
- if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
- $entry_guid = db_escape_string(strip_tags($entry_guid));
- $entry_guid = mb_substr($entry_guid, 0, 250);
- $result = db_query($link, "SELECT id FROM ttrss_entries
- WHERE guid = '$entry_guid'");
- $entry_content = db_escape_string($entry_content, false);
- $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
- $entry_title = db_escape_string($entry_title);
- $entry_link = db_escape_string($entry_link);
- $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
- $entry_author = mb_substr($entry_author, 0, 250);
- if ($use_simplepie) {
- $num_comments = 0; #FIXME#
- } else {
- $num_comments = db_escape_string($item["slash"]["comments"]);
- }
- if (!$num_comments) $num_comments = 0;
- if ($debug_enabled) {
- _debug("update_rss_feed: looking for tags [1]...");
- }
- // parse <category> entries into tags
- $additional_tags = array();
- if ($use_simplepie) {
- $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);
- }
- } else {
- $t_ctr = $item['category#'];
- if ($t_ctr == 0) {
- $additional_tags = array();
- } else if ($t_ctr > 0) {
- $additional_tags = array($item['category']);
- if ($item['category@term']) {
- array_push($additional_tags, $item['category@term']);
- }
- for ($i = 0; $i <= $t_ctr; $i++ ) {
- if ($item["category#$i"]) {
- array_push($additional_tags, $item["category#$i"]);
- }
- if ($item["category#$i@term"]) {
- array_push($additional_tags, $item["category#$i@term"]);
- }
- }
- }
- // parse <dc:subject> elements
- $t_ctr = $item['dc']['subject#'];
- if ($t_ctr > 0) {
- array_push($additional_tags, $item['dc']['subject']);
- for ($i = 0; $i <= $t_ctr; $i++ ) {
- if ($item['dc']["subject#$i"]) {
- array_push($additional_tags, $item['dc']["subject#$i"]);
- }
- }
- }
- }
- if ($debug_enabled) {
- _debug("update_rss_feed: looking for tags [2]...");
- }
- /* taaaags */
- // <a href="..." rel="tag">Xorg</a>, //
- $entry_tags = null;
- preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
- $entry_content_unescaped, $entry_tags);
- $entry_tags = $entry_tags[1];
- $entry_tags = array_merge($entry_tags, $additional_tags);
- $entry_tags = array_unique($entry_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);
- }
- # sanitize content
- $entry_content = sanitize_article_content($entry_content);
- $entry_title = sanitize_article_content($entry_title);
- if ($debug_enabled) {
- _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
- }
- db_query($link, "BEGIN");
- if (db_num_rows($result) == 0) {
- if ($debug_enabled) {
- _debug("update_rss_feed: base 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,
- no_orig_date,
- date_updated,
- date_entered,
- comments,
- num_comments,
- author)
- VALUES
- ('$entry_title',
- '$entry_guid',
- '$entry_link',
- '$entry_timestamp_fmt',
- '$entry_content',
- '$content_hash',
- $no_orig_date,
- NOW(),
- NOW(),
- '$entry_comments',
- '$num_comments',
- '$entry_author')");
- } 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'");
- }
- // now it should exist, if not - bad luck then
- $result = db_query($link, "SELECT
- id,content_hash,no_orig_date,title,
- ".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 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"));
- $ref_id = db_fetch_result($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';
- }
- }
- $result = db_query($link,
- "INSERT INTO ttrss_user_entries
- (ref_id, owner_uid, feed_id, unread, last_read, marked,
- published, score, tag_cache, label_cache, uuid)
- VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
- $last_read_qpart, $marked, $published, '$score', '', '', '')");
- 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;
- $update_insignificant = true;
- }
- if ($content_hash != $orig_content_hash) {
- $post_needs_update = true;
- $update_insignificant = false;
- }
- if (db_escape_string($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 = '$num_comments'
- WHERE id = '$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'");
- } else if ($update_on_checksum_change) {
- db_query($link, "UPDATE ttrss_user_entries
- SET last_read = null WHERE ref_id = '$ref_id'
- AND unread = false");
- }
- }
- }
- }
- db_query($link, "COMMIT");
- if ($debug_enabled) {
- _debug("update_rss_feed: assigning labels...");
- }
- assign_article_to_labels($link, $entry_ref_id, $article_filters,
- $owner_uid);
- if ($debug_enabled) {
- _debug("update_rss_feed: looking for enclosures...");
- }
- // enclosures
- $enclosures = array();
- if ($use_simplepie) {
- $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);
- }
- }
- } else {
- // <enclosure>
- $e_ctr = $item['enclosure#'];
- if ($e_ctr > 0) {
- $e_item = array($item['enclosure@url'],
- $item['enclosure@type'],
- $item['enclosure@length']);
- array_push($enclosures, $e_item);
- for ($i = 0; $i <= $e_ctr; $i++ ) {
- if ($item["enclosure#$i@url"]) {
- $e_item = array($item["enclosure#$i@url"],
- $item["enclosure#$i@type"],
- $item["enclosure#$i@length"]);
- array_push($enclosures, $e_item);
- }
- }
- }
- // <media:content>
- // can there be many of those? yes -fox
- $m_ctr = $item['media']['content#'];
- if ($m_ctr > 0) {
- $e_item = array($item['media']['content@url'],
- $item['media']['content@medium'],
- $item['media']['content@length']);
- array_push($enclosures, $e_item);
- for ($i = 0; $i <= $m_ctr; $i++ ) {
- if ($item["media"]["content#$i@url"]) {
- $e_item = array($item["media"]["content#$i@url"],
- $item["media"]["content#$i@medium"],
- $item["media"]["content#$i@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) {
- $enc_url = db_escape_string($enc[0]);
- $enc_type = db_escape_string($enc[1]);
- $enc_dur = db_escape_string($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[0] == "tag") {
- $manual_tags = trim_array(explode(",", $f[1]));
- foreach ($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);
- $tag = db_escape_string($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(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 ($debug_enabled) {
- _debug("update_rss_feed: article processed");
- }
- }
- if (!$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 {
- if ($use_simplepie) {
- $error_msg = mb_substr($rss->error(), 0, 250);
- } else {
- $error_msg = mb_substr(magpie_error(), 0, 250);
- }
- if ($debug_enabled) {
- _debug("update_rss_feed: error fetching feed: $error_msg");
- }
- $error_msg = db_escape_string($error_msg);
- db_query($link,
- "UPDATE ttrss_feeds SET last_error = '$error_msg',
- last_updated = NOW() WHERE id = '$feed'");
- }
- if ($use_simplepie) {
- 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, LIBXML_NOEMPTYTAG);
- }
- function expire_cached_files($debug) {
- foreach (array("magpie", "simplepie", "images", "export") 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;
- }
- ?>
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