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Merge pull request #9668 from nextcloud/backport/9666/stable13 

[stable13] Make sure the file is readable before attempting to create a preview
This commit is contained in:
Morris Jobke 2018-05-30 11:34:29 +02:00 committed by GitHub
parent db59474868 e55effc5ef
commit 3acfcc433a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 0 deletions
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6
lib/private/Preview/Generator.php
View File

@ -89,6 +89,12 @@ class Generator {
* @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
*/
public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
//Make sure that we can read the file
if (!$file->isReadable()) {
throw new NotFoundException('Cannot read file');
}
$this->eventDispatcher->dispatch(
IPreview::EVENT,
new GenericEvent($file,[

20
tests/lib/Preview/GeneratorTest.php
View File

@ -76,6 +76,8 @@ class GeneratorTest extends \Test\TestCase {
public function testGetCachedPreview() {
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(true);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
@ -122,6 +124,8 @@ class GeneratorTest extends \Test\TestCase {
public function testGetNewPreview() {
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(true);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
@ -248,6 +252,8 @@ class GeneratorTest extends \Test\TestCase {
$this->expectException(NotFoundException::class);
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(true);
$this->previewManager->method('isMimeSupported')
->with('invalidType')
@ -271,6 +277,8 @@ class GeneratorTest extends \Test\TestCase {
public function testNoProvider() {
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(true);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
@ -350,6 +358,8 @@ class GeneratorTest extends \Test\TestCase {
*/
public function testCorrectSize($maxX, $maxY, $reqX, $reqY, $crop, $mode, $expectedX, $expectedY) {
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(true);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
@ -416,4 +426,14 @@ class GeneratorTest extends \Test\TestCase {
$this->assertSame($preview, $result);
}
}
public function testUnreadbleFile() {
$file = $this->createMock(File::class);
$file->method('isReadable')
->willReturn(false);
$this->expectException(NotFoundException::class);
$this->generator->getPreview($file, 100, 100, false);
}
}