149 lines
3.9 KiB
PHP
149 lines
3.9 KiB
PHP
<?php
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namespace BookStack\Http\Controllers;
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use BookStack\Ownable;
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use Illuminate\Foundation\Bus\DispatchesJobs;
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use Illuminate\Http\Exceptions\HttpResponseException;
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use Illuminate\Http\Request;
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use Illuminate\Routing\Controller as BaseController;
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use Illuminate\Foundation\Validation\ValidatesRequests;
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use BookStack\User;
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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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* @var User static
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*/
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protected $currentUser;
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/**
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* @var bool
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*/
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protected $signedIn;
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/**
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* Controller constructor.
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*/
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public function __construct()
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{
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$this->middleware(function ($request, $next) {
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// Get a user instance for the current user
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$user = user();
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// Share variables with controllers
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$this->currentUser = $user;
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$this->signedIn = auth()->check();
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// Share variables with views
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view()->share('signedIn', $this->signedIn);
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view()->share('currentUser', $user);
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return $next($request);
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});
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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 preventAccessForDemoUsers()
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{
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if (config('app.env') === 'demo') $this->showPermissionError();
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}
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/**
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* Adds the page title into the view.
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* @param $title
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*/
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public function setPageTitle($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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$response = redirect('/');
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session()->flash('error', trans('errors.permission'));
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}
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throw new HttpResponseException($response);
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}
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/**
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* Checks for a permission.
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* @param string $permissionName
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* @return bool|\Illuminate\Http\RedirectResponse
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*/
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protected function checkPermission($permissionName)
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{
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if (!user() || !user()->can($permissionName)) {
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$this->showPermissionError();
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}
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return true;
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}
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/**
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* Check the current user's permissions against an ownable item.
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* @param $permission
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* @param Ownable $ownable
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* @return bool
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*/
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protected function checkOwnablePermission($permission, Ownable $ownable)
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{
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if (userCan($permission, $ownable)) return true;
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return $this->showPermissionError();
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}
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/**
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* Check if a user has a permission or bypass if the callback is true.
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* @param $permissionName
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* @param $callback
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* @return bool
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*/
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protected function checkPermissionOr($permissionName, $callback)
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{
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$callbackResult = $callback();
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if ($callbackResult === false) $this->checkPermission($permissionName);
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return true;
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}
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/**
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* Send back a json error message.
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* @param string $messageText
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* @param int $statusCode
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* @return mixed
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*/
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protected function jsonError($messageText = "", $statusCode = 500)
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{
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return response()->json(['message' => $messageText], $statusCode);
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}
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/**
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* Create the response for when a request fails validation.
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*
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* @param \Illuminate\Http\Request $request
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* @param array $errors
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* @return \Symfony\Component\HttpFoundation\Response
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*/
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protected function buildFailedValidationResponse(Request $request, array $errors)
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{
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if ($request->expectsJson()) {
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return response()->json(['validation' => $errors], 422);
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}
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return redirect()->to($this->getRedirectUrl())
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->withInput($request->input())
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->withErrors($errors, $this->errorBag());
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}
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}
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