SecurityMiddleware => Add assignment secret check

ExpressAPI/src/middlewares/SecurityMiddleware.ts

@@ -33,6 +33,9 @@ class SecurityMiddleware {
                             case SecurityCheckType.EXERCISE_SECRET:
                                 isAllowed = isAllowed || (req.headers.exercisesecret as string | undefined) === req.boundParams.exercise!.secret;
                                 break;
+                            case SecurityCheckType.ASSIGNMENT_SECRET:
+                                isAllowed = isAllowed || (req.headers.assignmentsecret as string | undefined) === req.boundParams.assignment!.secret;
+                                break;
                             default:
                                 break;
                         }

ExpressAPI/src/types/SecurityCheckType.ts

@@ -3,6 +3,7 @@ enum SecurityCheckType {
     ASSIGNMENT_STAFF        = 'assignmentStaff',
     ASSIGNMENT_IS_PUBLISHED = 'assignmentIsPublished',
     EXERCISE_SECRET         = 'exerciseSecret',
+    ASSIGNMENT_SECRET       = 'assignmentSecret',
 }