| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Created by PhpStorm. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * User: arthur | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Date: 11.10.18 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Time: 15:35 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | namespace Foundation\Policies; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Foundation\Abstracts\Policies\Policy; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Foundation\Contracts\ModelPolicyContract; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Foundation\Contracts\Ownable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use Foundation\Exceptions\Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Illuminate\Auth\Access\HandlesAuthorization; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Illuminate\Contracts\Auth\Authenticatable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Modules\User\Entities\User; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | class OwnershipPolicy extends Policy implements ModelPolicyContract | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     use HandlesAuthorization; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * Determine if the given user can access the model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @param  User $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @throws Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     public function access($user, $model): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         return $this->userIsModelOwner($user, $model); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @param User $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @param Ownable $model | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @throws Exception | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  |     private function userIsModelOwner(User $user, Ownable $model): bool | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  |         if (classImplementsInterface($model->ownedBy(), Authenticatable::class)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  |             return $user->id === $model->ownerId(); | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |         $ownerModel = $model->ownedBy(); | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |         $owner = $ownerModel::find($model->ownerId()); | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         if (classImplementsInterface($owner, Ownable::class)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |             return $this->userIsModelOwner($user, $owner); | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |         throw new Exception("recursive ownershippolicy lookup failed. Not all models implemented ownable so couldn't identify if user owned model"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * Determine if the given user can access the model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @param  User $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     public function create(User $user): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * Determine if the given user can update the model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @param  User $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * @throws Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     public function update(User $user, $model): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         return $this->userIsModelOwner($user, $model); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @param User $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * @param $model | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     public function delete(User $user, $model): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * @param $user | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * @param $ability | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * @return null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 1 |  |     public function before($user, $ability) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
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                | 98 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         //TODO IMPLEMENT CHECK USER IS ADMIN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 1 |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 103 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 104 |  |  |  | 
            
                        
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.