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Actually get the proper mime type for a given file.

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(FIXME: now we handle more than just images)
This commit is contained in:
green-ponies (jgen) 2012-04-15 19:55:06 -04:00
parent a0a0ba5bbc
commit 0c37be79a0
1 changed files with 55 additions and 5 deletions
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60
core/imageboard.pack.php
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@ -385,14 +385,64 @@ class Image {
/** /**
* Get the image's mime type * Get the image's mime type
* *
* FIXME: now we handle more than just images
*
* @retval string * @retval string
*/ */
public function get_mime_type() { public function get_mime_type() {
$type = strtolower($this->ext); return __getMimeType( get_image_filename() );
if($type === "jpg") $type = "jpeg"; }
return 'image/'.$type;
/**
* Get MIME type for file
*
* The contents of this function are taken from the __getMimeType() function
* from the "Amazon S3 PHP class" which is Copyright (c) 2008, Donovan Schönknecht
* and released under the 'Simplified BSD License'.
*
* @internal Used to get mime types
* @param string &$file File path
* @return string
*/
public static function __getMimeType(&$file)
{
$type = false;
// Fileinfo documentation says fileinfo_open() will use the
// MAGIC env var for the magic file
if (extension_loaded('fileinfo') && isset($_ENV['MAGIC']) &&
($finfo = finfo_open(FILEINFO_MIME, $_ENV['MAGIC'])) !== false)
{
if (($type = finfo_file($finfo, $file)) !== false)
{
// Remove the charset and grab the last content-type
$type = explode(' ', str_replace('; charset=', ';charset=', $type));
$type = array_pop($type);
$type = explode(';', $type);
$type = trim(array_shift($type));
}
finfo_close($finfo);
// If anyone is still using mime_content_type()
} elseif (function_exists('mime_content_type'))
$type = trim(mime_content_type($file));
if ($type !== false && strlen($type) > 0) return $type;
// Otherwise do it the old fashioned way
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'
);
$ext = strtolower(pathInfo($file, PATHINFO_EXTENSION));
return isset($exts[$ext]) ? $exts[$ext] : 'application/octet-stream';
} }
/** /**