diff options
Diffstat (limited to 'system/libraries/Image_lib.php')
| -rw-r--r-- | system/libraries/Image_lib.php | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php index a5cb6fb47..a07557f61 100644 --- a/system/libraries/Image_lib.php +++ b/system/libraries/Image_lib.php @@ -1207,7 +1207,7 @@ class CI_Image_lib { } // Build the finalized image - if ($wm_img_type === 3 && function_exists('imagealphablending')) + if ($wm_img_type === 3) { @imagealphablending($src_img, TRUE); } @@ -1551,7 +1551,16 @@ class CI_Image_lib { */ public function image_display_gd($resource) { - header('Content-Disposition: filename='.$this->source_image.';'); + // RFC 6266 allows for multibyte filenames, but only in UTF-8, + // so we have to make it conditional ... + $filename = basename(empty($this->new_image) ? $this->source_image : $this->new_image); + $charset = strtoupper(config_item('charset')); + $utf8_filename = ($charset !== 'UTF-8') + ? get_instance()->utf8->convert_to_utf8($filename, $charset) + : $filename; + isset($utf8_filename[0]) && $utf8_filename = " filename*=UTF-8''".rawurlencode($utf8_filename); + + header('Content-Disposition: filename="'.$filename.'";'.$utf8_filename); header('Content-Type: '.$this->mime_type); header('Content-Transfer-Encoding: binary'); header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT'); |