Added invalidCursor error

src/Http/Controllers/ResourceController.php

@@ -18,6 +18,7 @@
 use ArieTimmerman\Laravel\SCIMServer\Tests\Model\User;
 use Illuminate\Contracts\Pagination\CursorPaginator;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Pagination\Cursor;
 use Illuminate\Support\Facades\Validator;
 
 class ResourceController extends Controller
@@ -259,6 +260,14 @@ function (Builder $query) use ($filter, $resourceType) {
                 $resourceObjects = $resourceObjects->orderBy('id');
             }
 
+            if($request->input('cursor')){
+                $cursor = @Cursor::fromEncoded($request->input('cursor'));
+
+                if($cursor == null){
+                    throw (new SCIMException('Invalid Cursor'))->setCode(400)->setScimType('invalidCursor');
+                }
+            }
+
             $resourceObjects = $resourceObjects->cursorPaginate(
                 $count,
                 cursor: $request->input('cursor')

tests/BasicTest.php

@@ -140,6 +140,19 @@ public function testCursorPagination()
         $this->assertNull($response2->json('startIndex'));
     }
 
+    public function testCursorPaginationFailure()
+    {
+        $response1 = $this->get('/scim/v2/Users?count=60&cursor=invalid');
+
+        $response1->assertStatus(400);
+        $response1->assertJson([
+            'schemas' => ['urn:ietf:params:scim:api:messages:2.0:Error'],
+            'status' => '400',
+            'scimType' => 'invalidCursor'
+        ]);
+
+    }
+
     public function testPagination()
     {
         $response = $this->get('/scim/v2/Users?startIndex=21&count=20');