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https://github.com/BookStackApp/BookStack.git
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45ce7a7126
Swapped back handling to instead be pre-determined instead of being based upon session/referrer which would cause inconsistent results when referrer data was not available (redirect to app-loaded images/files). To support, this adds a mechansism to provide a URL through request data. Also cleaned up some imports in code while making changes. Closes #4656.
187 lines
5.0 KiB
PHP
187 lines
5.0 KiB
PHP
<?php
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namespace BookStack\Http;
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use BookStack\Activity\Models\Loggable;
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use BookStack\App\Model;
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use BookStack\Exceptions\NotifyException;
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use BookStack\Facades\Activity;
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use Illuminate\Foundation\Bus\DispatchesJobs;
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use Illuminate\Foundation\Validation\ValidatesRequests;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\RedirectResponse;
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use Illuminate\Http\Request;
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use Illuminate\Routing\Controller as BaseController;
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abstract class Controller extends BaseController
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{
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use DispatchesJobs;
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use ValidatesRequests;
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/**
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* Check if the current user is signed in.
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*/
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protected function isSignedIn(): bool
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{
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return auth()->check();
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}
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/**
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* Stops the application and shows a permission error if
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* the application is in demo mode.
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*/
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protected function preventAccessInDemoMode()
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{
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if (config('app.env') === 'demo') {
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$this->showPermissionError();
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}
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}
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/**
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* Adds the page title into the view.
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*/
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public function setPageTitle(string $title)
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{
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view()->share('pageTitle', $title);
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}
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/**
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* On a permission error redirect to home and display.
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* the error as a notification.
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*
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* @return never
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*/
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protected function showPermissionError()
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{
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$message = request()->wantsJson() ? trans('errors.permissionJson') : trans('errors.permission');
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throw new NotifyException($message, '/', 403);
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}
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/**
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* Checks that the current user has the given permission otherwise throw an exception.
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*/
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protected function checkPermission(string $permission): void
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{
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if (!user() || !user()->can($permission)) {
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$this->showPermissionError();
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}
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}
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/**
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* Prevent access for guest users beyond this point.
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*/
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protected function preventGuestAccess(): void
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{
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if (user()->isGuest()) {
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$this->showPermissionError();
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}
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}
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/**
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* Check the current user's permissions against an ownable item otherwise throw an exception.
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*/
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protected function checkOwnablePermission(string $permission, Model $ownable): void
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{
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if (!userCan($permission, $ownable)) {
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$this->showPermissionError();
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}
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}
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/**
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* Check if a user has a permission or bypass the permission
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* check if the given callback resolves true.
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*/
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protected function checkPermissionOr(string $permission, callable $callback): void
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{
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if ($callback() !== true) {
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$this->checkPermission($permission);
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}
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}
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/**
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* Check if the current user has a permission or bypass if the provided user
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* id matches the current user.
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*/
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protected function checkPermissionOrCurrentUser(string $permission, int $userId): void
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{
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$this->checkPermissionOr($permission, function () use ($userId) {
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return $userId === user()->id;
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});
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}
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/**
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* Send back a json error message.
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*/
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protected function jsonError(string $messageText = '', int $statusCode = 500): JsonResponse
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{
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return response()->json(['message' => $messageText, 'status' => 'error'], $statusCode);
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}
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/**
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* Create and return a new download response factory using the current request.
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*/
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protected function download(): DownloadResponseFactory
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{
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return new DownloadResponseFactory(request());
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}
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/**
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* Show a positive, successful notification to the user on next view load.
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*/
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protected function showSuccessNotification(string $message): void
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{
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session()->flash('success', $message);
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}
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/**
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* Show a warning notification to the user on next view load.
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*/
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protected function showWarningNotification(string $message): void
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{
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session()->flash('warning', $message);
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}
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/**
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* Show an error notification to the user on next view load.
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*/
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protected function showErrorNotification(string $message): void
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{
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session()->flash('error', $message);
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}
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/**
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* Log an activity in the system.
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*
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* @param string|Loggable $detail
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*/
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protected function logActivity(string $type, $detail = ''): void
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{
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Activity::add($type, $detail);
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}
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/**
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* Get the validation rules for image files.
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*/
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protected function getImageValidationRules(): array
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{
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return ['image_extension', 'mimes:jpeg,png,gif,webp', 'max:' . (config('app.upload_limit') * 1000)];
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}
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/**
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* Redirect to the URL provided in the request as a '_return' parameter.
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* Will check that the parameter leads to a URL under the root path of the system.
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*/
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protected function redirectToRequest(Request $request): RedirectResponse
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{
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$basePath = url('/');
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$returnUrl = $request->input('_return') ?? $basePath;
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if (!str_starts_with($returnUrl, $basePath)) {
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return redirect($basePath);
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}
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return redirect($returnUrl);
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}
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}
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