| | |
| | | * A method to guess the mime_type of an attachment. |
| | | * |
| | | * @param string $path Path to the file. |
| | | * @param string $name File name (with suffix) |
| | | * @param string $failover Mime type supplied for failover. |
| | | * |
| | | * @return string |
| | |
| | | * @see http://de2.php.net/manual/en/ref.fileinfo.php |
| | | * @see http://de2.php.net/mime_content_type |
| | | */ |
| | | function rc_mime_content_type($path, $failover = 'application/octet-stream') |
| | | function rc_mime_content_type($path, $name, $failover = 'application/octet-stream') |
| | | { |
| | | $mime_type = null; |
| | | $mime_magic = rcmail::get_instance()->config->get('mime_magic'); |
| | | $mime_ext = @include(RCMAIL_CONFIG_DIR . '/mimetypes.php'); |
| | | $suffix = $name ? substr($name, strrpos($name, '.')+1) : '*'; |
| | | |
| | | if (!extension_loaded('fileinfo')) { |
| | | @dl('fileinfo.' . PHP_SHLIB_SUFFIX); |
| | | // use file name suffix with hard-coded mime-type map |
| | | if (is_array($mime_ext)) { |
| | | $mime_type = $mime_ext[$suffix]; |
| | | } |
| | | |
| | | if (function_exists('finfo_open')) { |
| | | if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) { |
| | | $mime_type = finfo_file($finfo, $path); |
| | | finfo_close($finfo); |
| | | // try fileinfo extension if available |
| | | if (!$mime_type) { |
| | | if (!extension_loaded('fileinfo')) { |
| | | @dl('fileinfo.' . PHP_SHLIB_SUFFIX); |
| | | } |
| | | if (function_exists('finfo_open')) { |
| | | if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) { |
| | | $mime_type = finfo_file($finfo, $path); |
| | | finfo_close($finfo); |
| | | } |
| | | } |
| | | } |
| | | // try PHP's mime_content_type |
| | | if (!$mime_type && function_exists('mime_content_type')) { |
| | | $mime_type = mime_content_type($path); |
| | | } |
| | | |
| | | // fall back to user-submitted string |
| | | if (!$mime_type) { |
| | | $mime_type = $failover; |
| | | } |