BookStack/app/Http/Controllers/AttachmentController.php

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<?php namespace BookStack\Http\Controllers;
use BookStack\Entities\Repos\PageRepo;
use BookStack\Exceptions\FileUploadException;
use BookStack\Exceptions\NotFoundException;
use BookStack\Uploads\Attachment;
use BookStack\Uploads\AttachmentService;
use Exception;
use Illuminate\Contracts\Filesystem\FileNotFoundException;
use Illuminate\Http\Request;
use Illuminate\Support\MessageBag;
use Illuminate\Validation\ValidationException;
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class AttachmentController extends Controller
{
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protected $attachmentService;
protected $attachment;
protected $pageRepo;
/**
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* AttachmentController constructor.
*/
public function __construct(AttachmentService $attachmentService, Attachment $attachment, PageRepo $pageRepo)
{
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$this->attachmentService = $attachmentService;
$this->attachment = $attachment;
$this->pageRepo = $pageRepo;
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parent::__construct();
}
/**
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* Endpoint at which attachments are uploaded to.
* @throws ValidationException
* @throws NotFoundException
*/
public function upload(Request $request)
{
$this->validate($request, [
'uploaded_to' => 'required|integer|exists:pages,id',
'file' => 'required|file'
]);
$pageId = $request->get('uploaded_to');
$page = $this->pageRepo->getById($pageId);
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$this->checkPermission('attachment-create-all');
$this->checkOwnablePermission('page-update', $page);
$uploadedFile = $request->file('file');
try {
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$attachment = $this->attachmentService->saveNewUpload($uploadedFile, $pageId);
} catch (FileUploadException $e) {
return response($e->getMessage(), 500);
}
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return response()->json($attachment);
}
/**
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* Update an uploaded attachment.
* @throws ValidationException
*/
public function uploadUpdate(Request $request, $attachmentId)
{
$this->validate($request, [
'file' => 'required|file'
]);
$attachment = $this->attachment->newQuery()->findOrFail($attachmentId);
$this->checkOwnablePermission('view', $attachment->page);
$this->checkOwnablePermission('page-update', $attachment->page);
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$this->checkOwnablePermission('attachment-create', $attachment);
$uploadedFile = $request->file('file');
try {
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$attachment = $this->attachmentService->saveUpdatedUpload($uploadedFile, $attachment);
} catch (FileUploadException $e) {
return response($e->getMessage(), 500);
}
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return response()->json($attachment);
}
/**
* Get the update form for an attachment.
* @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function getUpdateForm(string $attachmentId)
{
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$attachment = $this->attachment->findOrFail($attachmentId);
$this->checkOwnablePermission('page-update', $attachment->page);
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$this->checkOwnablePermission('attachment-create', $attachment);
return view('attachments.manager-edit-form', [
'attachment' => $attachment,
]);
}
/**
* Update the details of an existing file.
*/
public function update(Request $request, string $attachmentId)
{
$attachment = $this->attachment->newQuery()->findOrFail($attachmentId);
try {
$this->validate($request, [
'attachment_edit_name' => 'required|string|min:1|max:255',
'attachment_edit_url' => 'string|min:1|max:255'
]);
} catch (ValidationException $exception) {
return response()->view('attachments.manager-edit-form', array_merge($request->only(['attachment_edit_name', 'attachment_edit_url']), [
'attachment' => $attachment,
'errors' => new MessageBag($exception->errors()),
]), 422);
}
$this->checkOwnablePermission('view', $attachment->page);
$this->checkOwnablePermission('page-update', $attachment->page);
$this->checkOwnablePermission('attachment-create', $attachment);
$attachment = $this->attachmentService->updateFile($attachment, [
'name' => $request->get('attachment_edit_name'),
'link' => $request->get('attachment_edit_url'),
]);
return view('attachments.manager-edit-form', [
'attachment' => $attachment,
]);
}
/**
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* Attach a link to a page.
* @throws NotFoundException
*/
public function attachLink(Request $request)
{
$pageId = $request->get('attachment_link_uploaded_to');
try {
$this->validate($request, [
'attachment_link_uploaded_to' => 'required|integer|exists:pages,id',
'attachment_link_name' => 'required|string|min:1|max:255',
'attachment_link_url' => 'required|string|min:1|max:255'
]);
} catch (ValidationException $exception) {
return response()->view('attachments.manager-link-form', array_merge($request->only(['attachment_link_name', 'attachment_link_url']), [
'pageId' => $pageId,
'errors' => new MessageBag($exception->errors()),
]), 422);
}
$page = $this->pageRepo->getById($pageId);
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$this->checkPermission('attachment-create-all');
$this->checkOwnablePermission('page-update', $page);
$attachmentName = $request->get('attachment_link_name');
$link = $request->get('attachment_link_url');
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$attachment = $this->attachmentService->saveNewFromLink($attachmentName, $link, $pageId);
return view('attachments.manager-link-form', [
'pageId' => $pageId,
]);
}
/**
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* Get the attachments for a specific page.
*/
public function listForPage(int $pageId)
{
$page = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-view', $page);
return view('attachments.manager-list', [
'attachments' => $page->attachments->all(),
]);
}
/**
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* Update the attachment sorting.
* @throws ValidationException
* @throws NotFoundException
*/
public function sortForPage(Request $request, int $pageId)
{
$this->validate($request, [
'order' => 'required|array',
]);
$page = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-update', $page);
$attachmentOrder = $request->get('order');
$this->attachmentService->updateFileOrderWithinPage($attachmentOrder, $pageId);
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return response()->json(['message' => trans('entities.attachments_order_updated')]);
}
/**
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* Get an attachment from storage.
* @throws FileNotFoundException
* @throws NotFoundException
*/
public function get(string $attachmentId)
{
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$attachment = $this->attachment->findOrFail($attachmentId);
try {
$page = $this->pageRepo->getById($attachment->uploaded_to);
} catch (NotFoundException $exception) {
throw new NotFoundException(trans('errors.attachment_not_found'));
}
$this->checkOwnablePermission('page-view', $page);
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if ($attachment->external) {
return redirect($attachment->path);
}
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$attachmentContents = $this->attachmentService->getAttachmentFromStorage($attachment);
return $this->downloadResponse($attachmentContents, $attachment->getFileName());
}
/**
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* Delete a specific attachment in the system.
* @throws Exception
*/
public function delete(string $attachmentId)
{
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$attachment = $this->attachment->findOrFail($attachmentId);
$this->checkOwnablePermission('attachment-delete', $attachment);
$this->attachmentService->deleteFile($attachment);
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return response()->json(['message' => trans('entities.attachments_deleted')]);
}
}