Merge pull request #519 from nextcloud/bugfix/noid/stream-attachment-download

Fetch file from rootFolder instead of IAppData to use StreamResponse
This commit is contained in:
Julius Härtl
2018-07-05 18:52:45 +02:00
committed by GitHub
2 changed files with 88 additions and 18 deletions

View File

@@ -29,12 +29,16 @@ use OCA\Deck\StatusException;
use OCP\AppFramework\Http\ContentSecurityPolicy;
use OCP\AppFramework\Http\EmptyContentSecurityPolicy;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\StreamResponse;
use OCP\Files\Cache\IScanner;
use OCP\Files\Folder;
use OCP\Files\IAppData;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IRequest;
@@ -45,17 +49,23 @@ class FileService implements IAttachmentService {
private $appData;
private $request;
private $logger;
private $rootFolder;
private $config;
public function __construct(
IL10N $l10n,
IAppData $appData,
IRequest $request,
ILogger $logger
ILogger $logger,
IRootFolder $rootFolder,
IConfig $config
) {
$this->l10n = $l10n;
$this->appData = $appData;
$this->request = $request;
$this->logger = $logger;
$this->rootFolder = $rootFolder;
$this->config = $config;
}
/**
@@ -174,9 +184,32 @@ class FileService implements IAttachmentService {
}
}
/**
* Workaround until ISimpleFile can be fetched as a resource
*
* @throws \Exception
*/
private function getFileFromRootFolder(Attachment $attachment) {
$folderName = 'file-card-' . (int)$attachment->getCardId();
$instanceId = $this->config->getSystemValue('instanceid', null);
if ($instanceId === null) {
throw new \Exception('no instance id!');
}
$name = 'appdata_' . $instanceId;
$appDataFolder = $this->rootFolder->get($name);
$appDataFolder = $appDataFolder->get('deck');
$cardFolder = $appDataFolder->get($folderName);
return $cardFolder->get($attachment->getData());
}
public function display(Attachment $attachment) {
$file = $this->getFileForAttachment($attachment);
$file = $this->getFileFromRootFolder($attachment);
if (method_exists($file, 'fopen')) {
$response = new StreamResponse($file->fopen('r'));
$response->addHeader('Content-Disposition', 'inline; filename="' . rawurldecode($file->getName()) . '"');
} else {
$response = new FileDisplayResponse($file);
}
if ($file->getMimeType() === 'application/pdf') {
// We need those since otherwise chrome won't show the PDF file with CSP rule object-src 'none'
// https://bugs.chromium.org/p/chromium/issues/detail?id=271452

View File

@@ -38,11 +38,15 @@ use OCA\Deck\StatusException;
use OCP\AppFramework\Http\ContentSecurityPolicy;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\Response;
use OCP\AppFramework\Http\StreamResponse;
use OCP\AppFramework\IAppContainer;
use OCP\Files\Folder;
use OCP\Files\IAppData;
use OCP\Files\IRootFolder;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\ICacheFactory;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IRequest;
@@ -61,6 +65,10 @@ class FileServiceTest extends TestCase {
private $logger;
/** @var FileService */
private $fileService;
/** @var IRootFolder */
private $rootFolder;
/** @var IConfig */
private $config;
public function setUp() {
parent::setUp();
@@ -68,7 +76,9 @@ class FileServiceTest extends TestCase {
$this->appData = $this->createMock(IAppData::class);
$this->l10n = $this->createMock(IL10N::class);
$this->logger = $this->createMock(ILogger::class);
$this->fileService = new FileService($this->l10n, $this->appData, $this->request, $this->logger);
$this->rootFolder = $this->createMock(IRootFolder::class);
$this->config = $this->createMock(IConfig::class);
$this->fileService = new FileService($this->l10n, $this->appData, $this->request, $this->logger, $this->rootFolder, $this->config);
}
public function mockGetFolder($cardId) {
@@ -253,33 +263,60 @@ class FileServiceTest extends TestCase {
}
public function testDisplay() {
$this->config->expects($this->once())
->method('getSystemValue')
->willReturn('123');
$appDataFolder = $this->createMock(Folder::class);
$deckAppDataFolder = $this->createMock(Folder::class);
$cardFolder = $this->createMock(Folder::class);
$this->rootFolder->expects($this->once())->method('get')->willReturn($appDataFolder);
$appDataFolder->expects($this->once())->method('get')->willReturn($deckAppDataFolder);
$deckAppDataFolder->expects($this->once())->method('get')->willReturn($cardFolder);
$attachment = $this->getAttachment();
$file = $this->createMock(ISimpleFile::class);
$folder = $this->mockGetFolder('123');
$folder->expects($this->once())
->method('getFile')
->willReturn($file);
$file->expects($this->exactly(2))
$file = $this->createMock(\OCP\Files\File::class);
$cardFolder->expects($this->once())->method('get')->willReturn($file);
$file->expects($this->any())
->method('getMimeType')
->willReturn('image/jpeg');
$file->expects($this->any())
->method('getName')
->willReturn('file1');
$file->expects($this->any())
->method('fopen')
->willReturn('fileresource');
$actual = $this->fileService->display($attachment);
$expected = new FileDisplayResponse($file);
$expected = new StreamResponse('fileresource');
$expected->addHeader('Content-Type', 'image/jpeg');
$expected->addHeader('Content-Disposition', 'inline; filename="' . rawurldecode($file->getName()) . '"');
$this->assertEquals($expected, $actual);
}
public function testDisplayPdf() {
$this->config->expects($this->once())
->method('getSystemValue')
->willReturn('123');
$appDataFolder = $this->createMock(Folder::class);
$deckAppDataFolder = $this->createMock(Folder::class);
$cardFolder = $this->createMock(Folder::class);
$this->rootFolder->expects($this->once())->method('get')->willReturn($appDataFolder);
$appDataFolder->expects($this->once())->method('get')->willReturn($deckAppDataFolder);
$deckAppDataFolder->expects($this->once())->method('get')->willReturn($cardFolder);
$attachment = $this->getAttachment();
$file = $this->createMock(ISimpleFile::class);
$folder = $this->mockGetFolder('123');
$folder->expects($this->once())
->method('getFile')
->willReturn($file);
$file->expects($this->exactly(2))
$file = $this->createMock(\OCP\Files\File::class);
$cardFolder->expects($this->once())->method('get')->willReturn($file);
$file->expects($this->any())
->method('getMimeType')
->willReturn('application/pdf');
$file->expects($this->any())
->method('getName')
->willReturn('file1');
$file->expects($this->any())
->method('fopen')
->willReturn('fileresource');
$actual = $this->fileService->display($attachment);
$expected = new FileDisplayResponse($file);
$expected = new StreamResponse('fileresource');
$expected->addHeader('Content-Disposition', 'inline; filename="' . rawurldecode($file->getName()) . '"');
$expected->addHeader('Content-Type', 'application/pdf');
$policy = new ContentSecurityPolicy();
$policy->addAllowedObjectDomain('\'self\'');