Create common function for userIsFormOwner & rewrite protected form (#244)

* Create common function for userIsFormOwner & rewrite protected form

* fix testcase

app/Http/Kernel.php

@@ -80,6 +80,6 @@ class Kernel extends HttpKernel
         'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
 
         'pro-form' => \App\Http\Middleware\Form\ProForm::class,
-        'password-protected-form' => \App\Http\Middleware\Form\PasswordProtectedForm::class,
+        'protected-form' => \App\Http\Middleware\Form\ProtectedForm::class,
     ];
 }

app/Http/Middleware/Form/ProtectedForm.php

@@ -7,7 +7,7 @@ use Closure;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 
-class PasswordProtectedForm
+class ProtectedForm
 {
     const PASSWORD_HEADER_NAME = 'form-password';
 
@@ -20,26 +20,34 @@ class PasswordProtectedForm
      */
     public function handle(Request $request, Closure $next)
     {
-        if ($request->route('slug')) {
-            $form = Form::where('slug',$request->route('slug'))->firstOrFail();
-            $request->merge([
-                'form' => $form,
-            ]);
-            $userIsFormOwner = Auth::check() && Auth::user()->workspaces()->find($form->workspace_id) !== null;
-            if (!$userIsFormOwner && $form->has_password) {
-                if($this->hasCorrectPassword($request, $form)){
-                    return $next($request);
-                }
-
-                return response([
-                    'status' => 'Unauthorized',
-                    'message' => 'Form is password protected.',
-                ], 403);
-            }
+        if (!$request->route('slug')) {
+            return $next($request);
         }
+
+        $form = Form::where('slug',$request->route('slug'))->firstOrFail();
+        $request->merge([
+            'form' => $form,
+        ]);
+        $userIsFormOwner = Auth::check() && Auth::user()->ownsForm($form);
+        if (!$userIsFormOwner && $this->isProtected($request, $form)) {
+            return response([
+                'status' => 'Unauthorized',
+                'message' => 'Form is protected.',
+            ], 403);
+        }
+
         return $next($request);
     }
 
+    public static function isProtected(Request $request, Form $form)
+    {
+        if (!$form->has_password) {
+            return false;
+        }
+
+        return !self::hasCorrectPassword($request, $form);
+    }
+
     public static function hasCorrectPassword(Request $request, Form $form)
     {
         return $request->headers->has(self::PASSWORD_HEADER_NAME) && $request->headers->get(self::PASSWORD_HEADER_NAME) == hash('sha256', $form->password);

app/Http/Resources/FormResource.php

@@ -2,7 +2,7 @@
 
 namespace App\Http\Resources;
 
-use App\Http\Middleware\Form\PasswordProtectedForm;
+use App\Http\Middleware\Form\ProtectedForm;
 use App\Http\Resources\UserResource;
 use Illuminate\Http\Resources\Json\JsonResource;
 use Illuminate\Support\Facades\Auth;
@@ -20,8 +20,8 @@ class FormResource extends JsonResource
      */
     public function toArray($request)
     {
-        if(!$this->userIsFormOwner() && $this->doesMissPassword($request)){
-            return $this->getPasswordProtectedForm();
+        if(!$this->userIsFormOwner() && ProtectedForm::isProtected($request, $this->resource)){
+            return $this->getProtectedForm();
         }
 
         $ownerData = $this->userIsFormOwner() ? [
@@ -96,14 +96,7 @@ class FormResource extends JsonResource
         return $this;
     }
 
-    private function doesMissPassword(Request $request)
-    {
-        if (!$this->has_password) return false;
-
-        return !PasswordProtectedForm::hasCorrectPassword($request, $this->resource);
-    }
-
-    private function getPasswordProtectedForm()
+    private function getProtectedForm()
     {
         return [
             'id' => $this->id,
@@ -131,8 +124,7 @@ class FormResource extends JsonResource
     private function userIsFormOwner() {
         return $this->extra?->userIsOwner ??
             (
-                Auth::check()
-                && Auth::user()->workspaces()->find($this->workspace_id) !== null
+                Auth::check() && Auth::user()->ownsForm($this->resource)
             );
     }
 

app/Models/User.php

@@ -61,6 +61,11 @@ class User extends Authenticatable implements JWTSubject
 
     protected $withCount = ['workspaces'];
 
+    public function ownsForm(Form $form)
+    {
+        return $this->workspaces()->find($form->workspace_id) !== null;
+    }
+    
     /**
      * Get the profile photo URL attribute.
      *

routes/api.php

@@ -139,7 +139,7 @@ Route::group(['prefix' => 'appsumo'], function () {
  * Public Forms related routes
  */
 Route::prefix('forms')->name('forms.')->group(function () {
-    Route::middleware('password-protected-form')->group(function () {
+    Route::middleware('protected-form')->group(function () {
         Route::post('{slug}/answer', [PublicFormController::class, 'answer'])->name('answer');
 
         // Form content endpoints (user lists, relation lists etc.)

tests/Feature/Forms/FormPasswordTest.php

@@ -54,7 +54,7 @@ it('can not submit form without password for guest user', function () {
         ->assertStatus(403)
         ->assertJson([
             'status' => 'Unauthorized',
-            'message' => 'Form is password protected.'
+            'message' => 'Form is protected.'
         ]);
 });
 
@@ -66,7 +66,7 @@ it('can not submit form with wrong password for guest user', function () {
         ->assertStatus(403)
         ->assertJson([
             'status' => 'Unauthorized',
-            'message' => 'Form is password protected.'
+            'message' => 'Form is protected.'
         ]);
 });