]> git.wh0rd.org - tt-rss.git/blobdiff - include/rssfuncs.php
add basic rss support
[tt-rss.git] / include / rssfuncs.php
index 48638f57ef6e08a102b0294e8fb5c992d0af6e4e..ec0ca5a4f1d05307461a40032549e9e188350c9a 100644 (file)
@@ -1,7 +1,7 @@
 <?php
        define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30);
        define_default('DAEMON_FEED_LIMIT', 500);
-       define_default('DAEMON_SLEEP_INTERVAL', 60);
+       define_default('DAEMON_SLEEP_INTERVAL', 120);
 
        function update_feedbrowser_cache() {
 
                                WHERE feed_url IN (%s)", implode(',', $feeds_quoted)));
                }
 
-               expire_cached_files($debug);
-               expire_lock_files($debug);
-               expire_error_log($debug);
-
                $nf = 0;
 
                // For each feed, we call the feed update function.
                $result = db_query("SELECT id,update_interval,auth_login,
                        feed_url,auth_pass,cache_images,last_updated,
                        mark_unread_on_update, owner_uid,
-                       pubsub_state, auth_pass_encrypted
+                       pubsub_state, auth_pass_encrypted,
+                       (SELECT max(date_entered) FROM
+                               ttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '$feed') AS last_article_timestamp
                        FROM ttrss_feeds WHERE id = '$feed'");
 
                if (db_num_rows($result) == 0) {
                        return false;
                }
 
+               // set last update to now so if anything *simplepie* crashes later we won't be
+               // continuously failing on the same feed
+               db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
+
                $last_updated = db_fetch_result($result, 0, "last_updated");
+               $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
                $owner_uid = db_fetch_result($result, 0, "owner_uid");
                $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
                        0, "mark_unread_on_update"));
                $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".feed";
 
                // Ignore cache if new feed or manual update.
-               $cache_age = ($no_cache || is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ?
-                       30 : get_feed_update_interval($feed) * 60;
+               $cache_age = ($no_cache || is_null($last_updated) || strpos($last_updated, '1970-01-01') === 0) ? 30 : get_feed_update_interval($feed) * 60;
 
                _debug("cache filename: $cache_filename exists: " . file_exists($cache_filename), $debug_enabled);
                _debug("cache age: $cache_age; no cache: $no_cache", $debug_enabled);
                $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"]);
 
 
                                _debug("using local cache.", $debug_enabled);
 
-                               if ($cache_timestamp > $last_updated_timestamp) {
+                               if ($cache_timestamp > $last_article_timestamp) {
                                        @$rss_data = file_get_contents($cache_filename);
 
                                        if ($rss_data) {
                                }
                } else {
                        _debug("local cache will not be used for this feed", $debug_enabled);
-                       $cache_timestamp = 0;
                }
 
                if (!$rss) {
 
                        if (!$feed_data) {
-                               _debug("fetching [$fetch_url] (ts: $cache_timestamp/$last_updated_timestamp)", $debug_enabled);
+                               _debug("fetching [$fetch_url]...", $debug_enabled);
+                               _debug("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $last_article_timestamp), $debug_enabled);
 
                                $feed_data = fetch_file_contents($fetch_url, false,
                                        $auth_login, $auth_pass, false,
                                        $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT,
-                                       $force_refetch ? 0 : max($last_updated_timestamp, $cache_timestamp));
+                                       $force_refetch ? 0 : $last_article_timestamp);
 
                                global $fetch_curl_used;
 
                }
 
                if (!$rss) {
-                       $rss = new SimplePie();
+                       /* $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->enable_cache(false); */
 
-                       @$rss->init();
+                       $rss = new FeedParser($feed_data);
+                       $rss->init();
                }
 
 //             print_r($rss);
 
                                if ($new_rss_hash != $rss_hash) {
                                        _debug("saving $cache_filename", $debug_enabled);
-                                       @file_put_contents($cache_filename, serialize($rss));
+                                       //@file_put_contents($cache_filename, serialize($rss)); NOT YET
                                }
                        }
 
 
                        $site_url = db_escape_string(mb_substr(rewrite_relative_url($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) */
 
-                               db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE
-                                       id = '$feed'");
-
                                $favicon_file = ICONS_DIR . "/$feed.ico";
                                $favicon_modified = @filemtime($favicon_file);
 
                                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("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
                                }
 
                                db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()
                                if (!$entry_guid) $entry_guid = $item->get_link();
                                if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 
+                               _debug("f_guid $entry_guid", $debug_enabled);
+
                                if (!$entry_guid) continue;
 
                                $entry_guid = "$owner_uid,$entry_guid";
 
                                $entry_timestamp = "";
 
-                               $entry_timestamp = strtotime($item->get_date());
+                               $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();
                                _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);
 
                                $entry_link = rewrite_relative_url($site_url, $item->get_link());
 
                                        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_comments = $item->get_comments_url();
+                               $entry_author = $item->get_author();
 
                                $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
 
                                $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
                                $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
 
-                               $num_comments = $item->get_item_tags('http://purl.org/rss/1.0/modules/slash/', 'comments');
+                               $num_comments = $item->get_comments_count();
 
                                if (is_array($num_comments) && is_array($num_comments[0])) {
                                        $num_comments = (int) $num_comments[0]["data"];
 
                                if (is_array($additional_tags_src)) {
                                        foreach ($additional_tags_src as $tobj) {
-                                               array_push($additional_tags, $tobj->get_term());
+                                               array_push($additional_tags, $tobj);
                                        }
                                }
 
 
                        foreach ($filter["rules"] as $rule) {
                                $match = false;
-                               $reg_exp = $rule["reg_exp"];
+                               $reg_exp = str_replace('/', '\/', $rule["reg_exp"]);
                                $rule_inverse = $rule["inverse"];
 
                                if (!$reg_exp)
                                        $match = @preg_match("/$reg_exp/i", $author);
                                        break;
                                case "tag":
-                                       $tag_string = join(",", $tags);
-                                       $match = @preg_match("/$reg_exp/i", $tag_string);
+                                       foreach ($tags as $tag) {
+                                               if (@preg_match("/$reg_exp/i", $tag)) {
+                                                       $match = true;
+                                                       break;
+                                               }
+                                       }
                                        break;
                                }
 
                return $error;
        }
 
+       function housekeeping_common($debug) {
+               expire_cached_files($debug);
+               expire_lock_files($debug);
+               expire_error_log($debug);
+
+               $count = update_feedbrowser_cache();
+               _debug("Feedbrowser updated, $count feeds processed.");
+
+               purge_orphans( true);
+               $rc = cleanup_tags( 14, 50000);
+
+               _debug("Cleaned $rc cached tags.");
+       }
+
+       function utf8_entity_decode($entity){
+               $convmap = array(0x0, 0x10000, 0, 0xfffff);
+               return mb_decode_numericentity($entity, $convmap, 'UTF-8');
+       }
+
+       function decode_numeric_entities($body) {
+               $body = preg_replace('/&#\d{2,5};/ue', "utf8_entity_decode('$0')", $body );
+               $body = preg_replace('/&#x([a-fA-F0-7]{2,8});/ue', "utf8_entity_decode('&#'.hexdec('$1').';')", $body );
+               return $body;
+       }
 ?>