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Update image.php 

don't try to extract image infos from 0- or better less than 12 byte length files. See description of `exif_imagetype` function at
`http://php.net/manual/de/function.exif-imagetype.php`.
This commit is contained in:
j-ed 2013-03-02 10:51:49 +01:00
parent 1f9551a382
commit 07b956c22d
1 changed files with 9 additions and 2 deletions
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11
lib/image.php
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@ -35,7 +35,13 @@ class OC_Image {
* @returns string The mime type if the it could be determined, otherwise an empty string.
*/
static public function getMimeTypeForFile($filepath) {
$imagetype = exif_imagetype($filepath);
// exif_imagetype throws "read error!" if file is less than 12 byte
if (filesize($filepath) > 11) {
$imagetype = exif_imagetype($filepath);
}
else {
$imagetype = false;
}
return $imagetype ? image_type_to_mime_type($imagetype) : '';
}
@ -385,7 +391,8 @@ class OC_Image {
* @returns An image resource or false on error
*/
public function loadFromFile($imagepath=false) {
if(!is_file($imagepath) || !file_exists($imagepath) || !is_readable($imagepath)) {
// exif_imagetype throws "read error!" if file is less than 12 byte
if(!is_file($imagepath) || !file_exists($imagepath) || filesize($imagepath) < 12 || !is_readable($imagepath)) {
// Debug output disabled because this method is tried before loadFromBase64?
OC_Log::write('core', 'OC_Image->loadFromFile, couldn\'t load: '.$imagepath, OC_Log::DEBUG);
return false;