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)) {
$rss->set_output_encoding('UTF-8');
$rss->force_feed(true);
- if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
-
- if ($debug_enabled) {
- _debug("enabling image cache");
- }
-
- $rss->set_image_handler("image.php", 'i');
- }
-
if ($debug_enabled) {
_debug("feed update interval (sec): " .
get_feed_update_interval($link, $feed)*60);
}
}
+ if ($cache_images)
+ $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
+
if ($_REQUEST["xdebug"] == 2) {
print "update_rss_feed: content: ";
print_r(htmlspecialchars($entry_content));
+ print "\n";
}
$entry_content_unescaped = $entry_content;
$entry_content = db_escape_string($entry_content, false);
- $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
+ $content_hash = "SHA1:x" . sha1(strip_tags($entry_content));
$entry_title = db_escape_string($entry_title);
$entry_link = db_escape_string($entry_link);
}
+ 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 ($file_content) {
+ file_put_contents($local_filename, $file_content);
+ }
+ }
+
+ if (file_exists($local_filename)) {
+ $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
+ htmlspecialchars($src));
+ }
+ }
+ }
+
+ $node = $doc->getElementsByTagName('body')->item(0);
+
+ return $doc->saveXML($node);
+ }
+
+ function expire_cached_files($debug) {
+ foreach (array("magpie", "simplepie", "images") 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/*");
+
+ foreach ($files as $file) {
+ if (time() - filemtime($file) > 86400*7) {
+ unlink($file);
+
+ ++$num_deleted;
+ }
+ }
+ }
+
+ if ($debug) _debug("Removed $num_deleted files.");
+ }
+ }
?>
git.wh0rd.org / tt-rss.git / blobdiff