nextcloud/tests/lib/Encryption/Keys/StorageTest.php

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<?php
/**
* ownCloud
*
* @copyright (C) 2015 ownCloud, Inc.
*
* @author Bjoern Schiessle <schiessle@owncloud.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Test\Encryption\Keys;
use OC\Encryption\Keys\Storage;
use OC\Files\View;
use OCP\IConfig;
use Test\TestCase;
class StorageTest extends TestCase {
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/** @var Storage */
protected $storage;
/** @var \PHPUnit\Framework\MockObject\MockObject */
protected $util;
/** @var \PHPUnit\Framework\MockObject\MockObject */
protected $view;
/** @var \PHPUnit\Framework\MockObject\MockObject */
protected $config;
protected function setUp(): void {
parent::setUp();
$this->util = $this->getMockBuilder('OC\Encryption\Util')
->disableOriginalConstructor()
->getMock();
$this->view = $this->getMockBuilder(View::class)
->disableOriginalConstructor()
->getMock();
$this->config = $this->getMockBuilder(IConfig::class)
->disableOriginalConstructor()
->getMock();
$this->storage = new Storage($this->view, $this->util);
}
public function testSetFileKey() {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', '/files/foo.txt']);
$this->util->expects($this->any())
->method('stripPartialFileExtension')
->willReturnArgument(0);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(false);
$this->view->expects($this->once())
->method('file_put_contents')
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'),
$this->equalTo('key'))
->willReturn(strlen('key'));
$this->assertTrue(
$this->storage->setFileKey('user1/files/foo.txt', 'fileKey', 'key', 'encModule')
);
}
public function dataTestGetFileKey() {
return [
['/files/foo.txt', '/files/foo.txt', true, 'key'],
['/files/foo.txt.ocTransferId2111130212.part', '/files/foo.txt', true, 'key'],
['/files/foo.txt.ocTransferId2111130212.part', '/files/foo.txt', false, 'key2'],
];
}
/**
* @dataProvider dataTestGetFileKey
*
* @param string $path
* @param string $strippedPartialName
* @param bool $originalKeyExists
* @param string $expectedKeyContent
*/
public function testGetFileKey($path, $strippedPartialName, $originalKeyExists, $expectedKeyContent) {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturnMap([
['user1/files/foo.txt', ['user1', '/files/foo.txt']],
['user1/files/foo.txt.ocTransferId2111130212.part', ['user1', '/files/foo.txt.ocTransferId2111130212.part']],
]);
// we need to strip away the part file extension in order to reuse a
// existing key if it exists, otherwise versions will break
$this->util->expects($this->once())
->method('stripPartialFileExtension')
->willReturn('user1' . $strippedPartialName);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(false);
$this->view->expects($this->at(0))
->method('file_exists')
->with($this->equalTo('/user1/files_encryption/keys' . $strippedPartialName . '/encModule/fileKey'))
->willReturn($originalKeyExists);
if (!$originalKeyExists) {
$this->view->expects($this->at(1))
->method('file_exists')
->with($this->equalTo('/user1/files_encryption/keys' . $path . '/encModule/fileKey'))
->willReturn(true);
$this->view->expects($this->once())
->method('file_get_contents')
->with($this->equalTo('/user1/files_encryption/keys' . $path . '/encModule/fileKey'))
->willReturn('key2');
} else {
$this->view->expects($this->once())
->method('file_get_contents')
->with($this->equalTo('/user1/files_encryption/keys' . $strippedPartialName . '/encModule/fileKey'))
->willReturn('key');
}
$this->assertSame($expectedKeyContent,
$this->storage->getFileKey('user1' . $path, 'fileKey', 'encModule')
);
}
public function testSetFileKeySystemWide() {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', '/files/foo.txt']);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(true);
$this->util->expects($this->any())
->method('stripPartialFileExtension')
->willReturnArgument(0);
$this->view->expects($this->once())
->method('file_put_contents')
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'),
$this->equalTo('key'))
->willReturn(strlen('key'));
$this->assertTrue(
$this->storage->setFileKey('user1/files/foo.txt', 'fileKey', 'key', 'encModule')
);
}
public function testGetFileKeySystemWide() {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', '/files/foo.txt']);
$this->util->expects($this->any())
->method('stripPartialFileExtension')
->willReturnArgument(0);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(true);
$this->view->expects($this->once())
->method('file_get_contents')
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn('key');
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn(true);
$this->assertSame('key',
$this->storage->getFileKey('user1/files/foo.txt', 'fileKey', 'encModule')
);
}
public function testSetSystemUserKey() {
$this->view->expects($this->once())
->method('file_put_contents')
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'),
$this->equalTo('key'))
->willReturn(strlen('key'));
$this->assertTrue(
$this->storage->setSystemUserKey('shareKey_56884', 'key', 'encModule')
);
}
public function testSetUserKey() {
$this->view->expects($this->once())
->method('file_put_contents')
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'),
$this->equalTo('key'))
->willReturn(strlen('key'));
$this->assertTrue(
$this->storage->setUserKey('user1', 'publicKey', 'key', 'encModule')
);
}
public function testGetSystemUserKey() {
$this->view->expects($this->once())
->method('file_get_contents')
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
->willReturn('key');
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
->willReturn(true);
$this->assertSame('key',
$this->storage->getSystemUserKey('shareKey_56884', 'encModule')
);
}
public function testGetUserKey() {
$this->view->expects($this->once())
->method('file_get_contents')
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
->willReturn('key');
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
->willReturn(true);
$this->assertSame('key',
$this->storage->getUserKey('user1', 'publicKey', 'encModule')
);
}
public function testDeleteUserKey() {
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
->willReturn(true);
$this->view->expects($this->once())
->method('unlink')
->with($this->equalTo('/user1/files_encryption/encModule/user1.publicKey'))
->willReturn(true);
$this->assertTrue(
$this->storage->deleteUserKey('user1', 'publicKey', 'encModule')
);
}
public function testDeleteSystemUserKey() {
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
->willReturn(true);
$this->view->expects($this->once())
->method('unlink')
->with($this->equalTo('/files_encryption/encModule/shareKey_56884'))
->willReturn(true);
$this->assertTrue(
$this->storage->deleteSystemUserKey('shareKey_56884', 'encModule')
);
}
public function testDeleteFileKeySystemWide() {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', '/files/foo.txt']);
$this->util->expects($this->any())
->method('stripPartialFileExtension')
->willReturnArgument(0);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(true);
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn(true);
$this->view->expects($this->once())
->method('unlink')
->with($this->equalTo('/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn(true);
$this->assertTrue(
$this->storage->deleteFileKey('user1/files/foo.txt', 'fileKey', 'encModule')
);
}
public function testDeleteFileKey() {
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturn(['user1', '/files/foo.txt']);
$this->util->expects($this->any())
->method('stripPartialFileExtension')
->willReturnArgument(0);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn(false);
$this->view->expects($this->once())
->method('file_exists')
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn(true);
$this->view->expects($this->once())
->method('unlink')
->with($this->equalTo('/user1/files_encryption/keys/files/foo.txt/encModule/fileKey'))
->willReturn(true);
$this->assertTrue(
$this->storage->deleteFileKey('user1/files/foo.txt', 'fileKey', 'encModule')
);
}
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/**
* @dataProvider dataProviderCopyRename
*/
public function testRenameKeys($source, $target, $systemWideMountSource, $systemWideMountTarget, $expectedSource, $expectedTarget) {
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$this->view->expects($this->any())
->method('file_exists')
->willReturn(true);
$this->view->expects($this->any())
->method('is_dir')
->willReturn(true);
$this->view->expects($this->once())
->method('rename')
->with(
$this->equalTo($expectedSource),
$this->equalTo($expectedTarget))
->willReturn(true);
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturnCallback([$this, 'getUidAndFilenameCallback']);
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$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturnCallback(function ($path, $owner) use ($systemWideMountSource, $systemWideMountTarget) {
if (strpos($path, 'source.txt') !== false) {
return $systemWideMountSource;
}
return $systemWideMountTarget;
});
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$this->storage->renameKeys($source, $target);
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}
/**
* @dataProvider dataProviderCopyRename
*/
public function testCopyKeys($source, $target, $systemWideMountSource, $systemWideMountTarget , $expectedSource, $expectedTarget) {
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$this->view->expects($this->any())
->method('file_exists')
->willReturn(true);
$this->view->expects($this->any())
->method('is_dir')
->willReturn(true);
$this->view->expects($this->once())
->method('copy')
->with(
$this->equalTo($expectedSource),
$this->equalTo($expectedTarget))
->willReturn(true);
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturnCallback([$this, 'getUidAndFilenameCallback']);
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$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturnCallback(function ($path, $owner) use ($systemWideMountSource, $systemWideMountTarget) {
if (strpos($path, 'source.txt') !== false) {
return $systemWideMountSource;
}
return $systemWideMountTarget;
});
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$this->storage->copyKeys($source, $target);
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}
public function getUidAndFilenameCallback() {
$args = func_get_args();
$path = $args[0];
$parts = explode('/', $path);
return [$parts[1], '/' . implode('/', array_slice($parts, 2))];
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}
public function dataProviderCopyRename() {
return [
['/user1/files/source.txt', '/user1/files/target.txt', false, false,
'/user1/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
['/user1/files/foo/source.txt', '/user1/files/target.txt', false, false,
'/user1/files_encryption/keys/files/foo/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
['/user1/files/source.txt', '/user1/files/foo/target.txt', false, false,
'/user1/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/foo/target.txt/'],
['/user1/files/source.txt', '/user1/files/foo/target.txt', true, true,
'/files_encryption/keys/files/source.txt/', '/files_encryption/keys/files/foo/target.txt/'],
['/user1/files/source.txt', '/user1/files/target.txt', false, true,
'/user1/files_encryption/keys/files/source.txt/', '/files_encryption/keys/files/target.txt/'],
['/user1/files/source.txt', '/user1/files/target.txt', true, false,
'/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
['/user2/files/source.txt', '/user1/files/target.txt', false, false,
'/user2/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
['/user2/files/foo/source.txt', '/user1/files/target.txt', false, false,
'/user2/files_encryption/keys/files/foo/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
['/user2/files/source.txt', '/user1/files/foo/target.txt', false, false,
'/user2/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/foo/target.txt/'],
['/user2/files/source.txt', '/user1/files/foo/target.txt', true, true,
'/files_encryption/keys/files/source.txt/', '/files_encryption/keys/files/foo/target.txt/'],
['/user2/files/source.txt', '/user1/files/target.txt', false, true,
'/user2/files_encryption/keys/files/source.txt/', '/files_encryption/keys/files/target.txt/'],
['/user2/files/source.txt', '/user1/files/target.txt', true, false,
'/files_encryption/keys/files/source.txt/', '/user1/files_encryption/keys/files/target.txt/'],
];
}
/**
* @dataProvider dataTestGetPathToKeys
*
* @param string $path
* @param boolean $systemWideMountPoint
* @param string $storageRoot
* @param string $expected
*/
public function testGetPathToKeys($path, $systemWideMountPoint, $storageRoot, $expected) {
$this->invokePrivate($this->storage, 'root_dir', [$storageRoot]);
$this->util->expects($this->any())
->method('getUidAndFilename')
->willReturnCallback([$this, 'getUidAndFilenameCallback']);
$this->util->expects($this->any())
->method('isSystemWideMountPoint')
->willReturn($systemWideMountPoint);
$this->assertSame($expected,
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self::invokePrivate($this->storage, 'getPathToKeys', [$path])
);
}
public function dataTestGetPathToKeys() {
return [
['/user1/files/source.txt', false, '', '/user1/files_encryption/keys/files/source.txt/'],
['/user1/files/source.txt', true, '', '/files_encryption/keys/files/source.txt/'],
['/user1/files/source.txt', false, 'storageRoot', '/storageRoot/user1/files_encryption/keys/files/source.txt/'],
['/user1/files/source.txt', true, 'storageRoot', '/storageRoot/files_encryption/keys/files/source.txt/'],
];
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}
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public function testKeySetPreparation() {
$this->view->expects($this->any())
->method('file_exists')
->willReturn(false);
$this->view->expects($this->any())
->method('is_dir')
->willReturn(false);
$this->view->expects($this->any())
->method('mkdir')
->willReturnCallback([$this, 'mkdirCallback']);
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$this->mkdirStack = [
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'/user1/files_encryption/keys/foo',
'/user1/files_encryption/keys',
'/user1/files_encryption',
'/user1'];
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self::invokePrivate($this->storage, 'keySetPreparation', ['/user1/files_encryption/keys/foo']);
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}
public function mkdirCallback() {
$args = func_get_args();
$expected = array_pop($this->mkdirStack);
$this->assertSame($expected, $args[0]);
}
/**
* @dataProvider dataTestGetFileKeyDir
*
* @param bool $isSystemWideMountPoint
* @param string $storageRoot
* @param string $expected
*/
public function testGetFileKeyDir($isSystemWideMountPoint, $storageRoot, $expected) {
$path = '/user1/files/foo/bar.txt';
$owner = 'user1';
$relativePath = '/foo/bar.txt';
$this->invokePrivate($this->storage, 'root_dir', [$storageRoot]);
$this->util->expects($this->once())->method('isSystemWideMountPoint')
->willReturn($isSystemWideMountPoint);
$this->util->expects($this->once())->method('getUidAndFilename')
->with($path)->willReturn([$owner, $relativePath]);
$this->assertSame($expected,
$this->invokePrivate($this->storage, 'getFileKeyDir', ['OC_DEFAULT_MODULE', $path])
);
}
public function dataTestGetFileKeyDir() {
return [
[false, '', '/user1/files_encryption/keys/foo/bar.txt/OC_DEFAULT_MODULE/'],
[true, '', '/files_encryption/keys/foo/bar.txt/OC_DEFAULT_MODULE/'],
[false, 'newStorageRoot', '/newStorageRoot/user1/files_encryption/keys/foo/bar.txt/OC_DEFAULT_MODULE/'],
[true, 'newStorageRoot', '/newStorageRoot/files_encryption/keys/foo/bar.txt/OC_DEFAULT_MODULE/'],
];
}
/**
* @dataProvider dataTestBackupUserKeys
* @param bool $createBackupDir
*/
public function testBackupUserKeys($createBackupDir) {
$storage = $this->getMockBuilder('OC\Encryption\Keys\Storage')
->setConstructorArgs([$this->view, $this->util])
->setMethods(['getTimestamp'])
->getMock();
$storage->expects($this->any())->method('getTimestamp')->willReturn('1234567');
$this->view->expects($this->once())->method('file_exists')
->with('user1/files_encryption/backup')->willReturn(!$createBackupDir);
if ($createBackupDir) {
$this->view->expects($this->at(1))->method('mkdir')
->with('user1/files_encryption/backup');
$this->view->expects($this->at(2))->method('mkdir')
->with('user1/files_encryption/backup/test.encryptionModule.1234567');
} else {
$this->view->expects($this->once())->method('mkdir')
->with('user1/files_encryption/backup/test.encryptionModule.1234567');
}
$this->view->expects($this->once())->method('copy')
->with(
'user1/files_encryption/encryptionModule',
'user1/files_encryption/backup/test.encryptionModule.1234567'
)->willReturn(true);
$this->assertTrue($storage->backupUserKeys('encryptionModule', 'test', 'user1'));
}
public function dataTestBackupUserKeys() {
return [
[true], [false]
];
}
}