util.inc: Default to static extension lookup

Magic can return invalid results for video files, breaking their playback. Default to the static extension lookup to avoid this problem but still return application/octet-stream if nothing works.
This commit is contained in:
velocity37 2012-09-29 16:07:41 -07:00 committed by Shish
parent 0663bf54a0
commit 52718b0590

View File

@ -509,6 +509,27 @@ function captcha_check() {
* @return string
*/
function getMimeType($file, $ext="") {
// Static extension lookup
$ext = strtolower($ext);
static $exts = array(
'jpg' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png',
'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'ico' => 'image/x-icon',
'swf' => 'application/x-shockwave-flash', 'pdf' => 'application/pdf',
'zip' => 'application/zip', 'gz' => 'application/x-gzip',
'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2', 'txt' => 'text/plain',
'asc' => 'text/plain', 'htm' => 'text/html', 'html' => 'text/html',
'css' => 'text/css', 'js' => 'text/javascript',
'xml' => 'text/xml', 'xsl' => 'application/xsl+xml',
'ogg' => 'application/ogg', 'mp3' => 'audio/mpeg', 'wav' => 'audio/x-wav',
'avi' => 'video/x-msvideo', 'mpg' => 'video/mpeg', 'mpeg' => 'video/mpeg',
'mov' => 'video/quicktime', 'flv' => 'video/x-flv', 'php' => 'text/x-php',
'mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm'
);
if (isset($exts[$ext])) { return $exts[$ext]; }
$type = false;
// Fileinfo documentation says fileinfo_open() will use the
// MAGIC env var for the magic file
@ -530,25 +551,8 @@ function getMimeType($file, $ext="") {
$type = trim(mime_content_type($file));
if ($type !== false && strlen($type) > 0) return $type;
// Otherwise do it the old fashioned way
$ext = strtolower($ext);
static $exts = array(
'jpg' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png',
'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'ico' => 'image/x-icon',
'swf' => 'application/x-shockwave-flash', 'pdf' => 'application/pdf',
'zip' => 'application/zip', 'gz' => 'application/x-gzip',
'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2', 'txt' => 'text/plain',
'asc' => 'text/plain', 'htm' => 'text/html', 'html' => 'text/html',
'css' => 'text/css', 'js' => 'text/javascript',
'xml' => 'text/xml', 'xsl' => 'application/xsl+xml',
'ogg' => 'application/ogg', 'mp3' => 'audio/mpeg', 'wav' => 'audio/x-wav',
'avi' => 'video/x-msvideo', 'mpg' => 'video/mpeg', 'mpeg' => 'video/mpeg',
'mov' => 'video/quicktime', 'flv' => 'video/x-flv', 'php' => 'text/x-php',
'mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm'
);
return isset($exts[$ext]) ? $exts[$ext] : 'application/octet-stream';
return 'application/octet-stream';
}
/**