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fix memory leak caused by not destroying image in Preview/Generate.php 

Signed-off-by: Elijah Martin-Merrill <elijah@nyp-itsours.com>
This commit is contained in:
Elijah Martin-Merrill 2020-07-27 10:52:44 -04:00 committed by backportbot[bot]
parent 02680cf93d
commit 66bb6fdbb0
2 changed files with 8 additions and 3 deletions
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6
lib/private/Preview/Generator.php
View File

@ -192,6 +192,12 @@ class Generator {
}
}
// Free memory being used by the embedded image resource. Without this the image is kept in memory indefinitely.
// Garbage Collection does NOT free this memory. We have to do it ourselves.
if ($maxPreviewImage instanceof IImage) {
$maxPreviewImage->destroy();
}
return $preview;
}

5
tests/lib/Preview/GeneratorTest.php
View File

@ -31,7 +31,6 @@ use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IConfig;
use OCP\IImage;
use OCP\IPreview;
use OCP\Preview\IProviderV2;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@ -183,7 +182,7 @@ class GeneratorTest extends \Test\TestCase {
$this->fail('Unexpected provider requested');
});
$image = $this->createMock(IImage::class);
$image = $this->createMock(\OC_Image::class);
$image->method('width')->willReturn(2048);
$image->method('height')->willReturn(2048);
$image->method('valid')->willReturn(true);
@ -318,7 +317,7 @@ class GeneratorTest extends \Test\TestCase {
}
private function getMockImage($width, $height, $data = null) {
$image = $this->createMock(IImage::class);
$image = $this->createMock(\OC_Image::class);
$image->method('height')->willReturn($width);
$image->method('width')->willReturn($height);
$image->method('valid')->willReturn(true);