mirror of
https://github.com/BookStackApp/BookStack.git
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165 lines
4.5 KiB
PHP
165 lines
4.5 KiB
PHP
<?php
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namespace BookStack\Http\Controllers;
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use BookStack\Facades\Activity;
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use BookStack\Interfaces\Loggable;
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use BookStack\HasCreatorAndUpdater;
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use BookStack\Model;
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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\Exceptions\HttpResponseException;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Response;
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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, 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', $title);
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}
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/**
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* On a permission error redirect to home and display.
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* the error as a notification.
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*/
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protected function showPermissionError()
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{
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if (request()->wantsJson()) {
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$response = response()->json(['error' => trans('errors.permissionJson')], 403);
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} else {
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$response = redirect('/');
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$this->showErrorNotification(trans('errors.permission'));
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}
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throw new HttpResponseException($response);
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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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* 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 a response that forces a download in the browser.
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*/
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protected function downloadResponse(string $content, string $fileName): Response
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{
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return response()->make($content, 200, [
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'Content-Type' => 'application/octet-stream',
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'Content-Disposition' => 'attachment; filename="' . $fileName . '"'
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]);
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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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* @param string|Loggable
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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(): string
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{
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return 'image_extension|no_double_extension|mimes:jpeg,png,gif,webp';
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}
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}
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