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<?php
namespace Test\Files\Stream;
use OC\Files\View;
use OCA\Encryption_Dummy\DummyModule;
class Encryption extends \Test\TestCase {
/**
* @param string $mode
* @param integer $limit
*/
protected function getStream($fileName, $mode, $unencryptedSize) {
clearstatcache();
$size = filesize($fileName);
$source = fopen($fileName, $mode);
$internalPath = $fileName;
$fullPath = $fileName;
$header = [];
$uid = '';
$encryptionModule = $this->buildMockModule();
$storage = $this->getMockBuilder('\OC\Files\Storage\Storage')
->disableOriginalConstructor()->getMock();
$encStorage = $this->getMockBuilder('\OC\Files\Storage\Wrapper\Encryption')
->disableOriginalConstructor()->getMock();
$config = $this->getMockBuilder('\OCP\IConfig')
->disableOriginalConstructor()
->getMock();
$groupManager = $this->getMockBuilder('\OC\Group\Manager')
->disableOriginalConstructor()
->getMock();
$file = $this->getMockBuilder('\OC\Encryption\File')
->disableOriginalConstructor()
->setMethods(['getAccessList'])
->getMock();
$file->expects($this->any())->method('getAccessList')->willReturn([]);
$util = $this->getMock('\OC\Encryption\Util', ['getUidAndFilename'], [new View(), new \OC\User\Manager(), $groupManager, $config]);
$util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', $internalPath]);
return \OC\Files\Stream\Encryption::wrap($source, $internalPath,
$fullPath, $header, $uid, $encryptionModule, $storage, $encStorage,
$util, $file, $mode, $size, $unencryptedSize);
}
public function testWriteRead() {
$fileName = tempnam("/tmp", "FOO");
$stream = $this->getStream($fileName, 'w+', 0);
$this->assertEquals(6, fwrite($stream, 'foobar'));
fclose($stream);
$stream = $this->getStream($fileName, 'r', 6);
$this->assertEquals('foobar', fread($stream, 100));
fclose($stream);
}
public function testSeek() {
$fileName = tempnam("/tmp", "FOO");
$stream = $this->getStream($fileName, 'w+', 0);
$this->assertEquals(6, fwrite($stream, 'foobar'));
$this->assertEquals(0, fseek($stream, 3));
$this->assertEquals(6, fwrite($stream, 'foobar'));
fclose($stream);
$stream = $this->getStream($fileName, 'r', 9);
$this->assertEquals('foofoobar', fread($stream, 100));
fclose($stream);
}
function dataFilesProvider() {
return [
['lorem-big.txt'],
['block-aligned.txt'],
['block-aligned-plus-one.txt'],
];
}
/**
* @dataProvider dataFilesProvider
*/
public function testWriteReadBigFile($testFile) {
$expectedData = file_get_contents(\OC::$SERVERROOT . '/tests/data/' . $testFile);
// write it
$fileName = tempnam("/tmp", "FOO");
$stream = $this->getStream($fileName, 'w+', 0);
fwrite($stream, $expectedData);
fclose($stream);
// read it all
$stream = $this->getStream($fileName, 'r', strlen($expectedData));
$data = stream_get_contents($stream);
fclose($stream);
$this->assertEquals($expectedData, $data);
// another read test with a loop like we do in several places:
$stream = $this->getStream($fileName, 'r', strlen($expectedData));
$data = '';
while (!feof($stream)) {
$data .= fread($stream, 8192);
}
fclose($stream);
$this->assertEquals($expectedData, $data);
}
/**
* @return \PHPUnit_Framework_MockObject_MockObject
*/
protected function buildMockModule() {
$encryptionModule = $this->getMockBuilder('\OCP\Encryption\IEncryptionModule')
->disableOriginalConstructor()
->setMethods(['getId', 'getDisplayName', 'begin', 'end', 'encrypt', 'decrypt', 'update', 'shouldEncrypt', 'getUnencryptedBlockSize'])
->getMock();
$encryptionModule->expects($this->any())->method('getId')->willReturn('UNIT_TEST_MODULE');
$encryptionModule->expects($this->any())->method('getDisplayName')->willReturn('Unit test module');
$encryptionModule->expects($this->any())->method('begin')->willReturn([]);
$encryptionModule->expects($this->any())->method('end')->willReturn('');
$encryptionModule->expects($this->any())->method('encrypt')->willReturnCallback(function($data) {
// simulate different block size by adding some padding to the data
if (isset($data[6125])) {
return str_pad($data, 8192, 'X');
}
// last block
return $data;
});
$encryptionModule->expects($this->any())->method('decrypt')->willReturnCallback(function($data) {
if (isset($data[8191])) {
return substr($data, 0, 6126);
}
// last block
return $data;
});
$encryptionModule->expects($this->any())->method('update')->willReturn(true);
$encryptionModule->expects($this->any())->method('shouldEncrypt')->willReturn(true);
$encryptionModule->expects($this->any())->method('getUnencryptedBlockSize')->willReturn(6126);
return $encryptionModule;
}
}
|
