diff options
Diffstat (limited to 'classes')
-rwxr-xr-x | classes/rssutils.php | 101 |
1 files changed, 55 insertions, 46 deletions
diff --git a/classes/rssutils.php b/classes/rssutils.php index 5fb2e7712..30d08328f 100755 --- a/classes/rssutils.php +++ b/classes/rssutils.php @@ -594,7 +594,7 @@ class RSSUtils { $favicon_file = ICONS_DIR . "/$feed.ico"; $favicon_modified = file_exists($favicon_file) ? filemtime($favicon_file) : -1; - Debug::log("checking favicon...", Debug::$LOG_VERBOSE); + Debug::log("checking favicon for feed $feed...", Debug::$LOG_VERBOSE); self::check_feed_favicon($site_url, $feed); $favicon_modified_new = file_exists($favicon_file) ? filemtime($favicon_file) : -1; @@ -1643,58 +1643,67 @@ class RSSUtils { } static function check_feed_favicon($site_url, $feed) { - # print "FAVICON [$site_url]: $favicon_url\n"; - $icon_file = ICONS_DIR . "/$feed.ico"; - if (!file_exists($icon_file)) { - $favicon_url = self::get_favicon_url($site_url); + $favicon_url = self::get_favicon_url($site_url); + if (!$favicon_url) { + Debug::log("couldn't find favicon URL in $site_url", Debug::$LOG_VERBOSE); + return false; + } - if ($favicon_url) { - // Limiting to "image" type misses those served with text/plain - $contents = UrlHelper::fetch($favicon_url); // , "image"); + // Limiting to "image" type misses those served with text/plain + $contents = UrlHelper::fetch([ + 'url' => $favicon_url, + 'max_size' => MAX_FAVICON_FILE_SIZE, + //'type' => 'image', + ]); + if (!$contents) { + Debug::log("fetching favicon $favicon_url failed", Debug::$LOG_VERBOSE); + return false; + } - 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"); - } - elseif (preg_match('/^BM/', $contents)) { - // 0 string BM PC bitmap (OS2, Windows BMP files) - //error_log("check_feed_favicon, favicon_url=$favicon_url isa BMP image"); - } - else { - //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type"); - $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"); + } + elseif (preg_match('/^BM/', $contents)) { + // 0 string BM PC bitmap (OS2, Windows BMP files) + //error_log("check_feed_favicon, favicon_url=$favicon_url isa BMP image"); + } + else { + //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type"); + Debug::log("favicon $favicon_url type is unknown (not updating)", Debug::$LOG_VERBOSE); + return false; + } - if ($contents) { - $fp = @fopen($icon_file, "w"); + Debug::log("setting contents of $icon_file", Debug::$LOG_VERBOSE); - if ($fp) { - fwrite($fp, $contents); - fclose($fp); - chmod($icon_file, 0644); - } - } - } - return $icon_file; + $fp = @fopen($icon_file, "w"); + if (!$fp) { + Debug::log("failed to open $icon_file for writing", Debug::$LOG_VERBOSE); + return false; } + + fwrite($fp, $contents); + fclose($fp); + chmod($icon_file, 0644); + clearstatcache(); + + return $icon_file; } static function is_gzipped($feed_data) { |