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Add preview endpoint for the fileid 

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
This commit is contained in:
Roeland Jago Douma 2018-01-16 21:19:35 +01:00
parent f39f95e4e8
commit 0224c61530
No known key found for this signature in database
GPG Key ID: F941078878347C0C
2 changed files with 76 additions and 15 deletions
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89
core/Controller/PreviewController.php
View File

@ -1,4 +1,5 @@
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
@ -31,6 +32,7 @@ use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\IPreview;
use OCP\IRequest;
@ -57,12 +59,13 @@ class PreviewController extends Controller {
* @param IPreview $preview
* @param IRootFolder $root
* @param string $userId
* @param ITimeFactory $timeFactory
*/
public function __construct($appName,
public function __construct(string $appName,
IRequest $request,
IPreview $preview,
IRootFolder $root,
$userId,
string $userId,
ITimeFactory $timeFactory
) {
parent::__construct($appName, $request);
@ -83,15 +86,15 @@ class PreviewController extends Controller {
* @param bool $a
* @param bool $forceIcon
* @param string $mode
* @return DataResponse|Http\FileDisplayResponse
* @return DataResponse|FileDisplayResponse
*/
public function getPreview(
$file = '',
$x = 32,
$y = 32,
$a = false,
$forceIcon = true,
$mode = 'fill') {
public function getPreview (
string $file = '',
int $x = 32,
int $y = 32,
bool $a = false,
bool $forceIcon = true,
string $mode = 'fill'): Http\Response {
if ($file === '' || $x === 0 || $y === 0) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
@ -99,19 +102,77 @@ class PreviewController extends Controller {
try {
$userFolder = $this->root->getUserFolder($this->userId);
$file = $userFolder->get($file);
$node = $userFolder->get($file);
} catch (NotFoundException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if (!($file instanceof File) || (!$forceIcon && !$this->preview->isAvailable($file))) {
return $this->fetchPreview($node, $x, $y, $a, $forceIcon, $mode);
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param int $fileId
* @param int $x
* @param int $y
* @param bool $a
* @param bool $forceIcon
* @param string $mode
*
* @return DataResponse|FileDisplayResponse
*/
public function getPreviewByFileId(
int $fileId = -1,
int $x = 32,
int $y = 32,
bool $a = false,
bool $forceIcon = true,
string $mode = 'fill') {
if ($fileId === -1 || $x === 0 || $y === 0) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
$userFolder = $this->root->getUserFolder($this->userId);
$nodes = $userFolder->getById($fileId);
if (\count($nodes) === 0) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} else if (!$file->isReadable()) {
}
$node = array_pop($nodes);
return $this->fetchPreview($node, $x, $y, $a, $forceIcon, $mode);
}
/**
* @param Node $node
* @param int $x
* @param int $y
* @param bool $a
* @param bool $forceIcon
* @param string $mode
* @return DataResponse|FileDisplayResponse
*/
private function fetchPreview(
Node $node,
int $x,
int $y,
bool $a = false,
bool $forceIcon = true,
string $mode) : Http\Response {
if (!($node instanceof File) || (!$forceIcon && !$this->preview->isAvailable($node))) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if (!$node->isReadable()) {
return new DataResponse([], Http::STATUS_FORBIDDEN);
}
try {
$f = $this->preview->getPreview($file, $x, $y, !$a, $mode);
$f = $this->preview->getPreview($node, $x, $y, !$a, $mode);
$response = new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
// Let cache this!

2
core/routes.php
View File

@ -57,7 +57,7 @@ $application->registerRoutes($this, [
['name' => 'TwoFactorChallenge#showChallenge', 'url' => '/login/challenge/{challengeProviderId}', 'verb' => 'GET'],
['name' => 'TwoFactorChallenge#solveChallenge', 'url' => '/login/challenge/{challengeProviderId}', 'verb' => 'POST'],
['name' => 'OCJS#getConfig', 'url' => '/core/js/oc.js', 'verb' => 'GET'],
['name' => 'Preview#getPreview', 'url' => '/core/preview', 'verb' => 'GET'],
['name' => 'Preview#getPreviewByFileId', 'url' => '/core/preview', 'verb' => 'GET'],
['name' => 'Preview#getPreview', 'url' => '/core/preview.png', 'verb' => 'GET'],
['name' => 'Css#getCss', 'url' => '/css/{appName}/{fileName}', 'verb' => 'GET'],
['name' => 'Js#getJs', 'url' => '/js/{appName}/{fileName}', 'verb' => 'GET'],