1 files changed, 13 insertions, 0 deletions
diff --git a/internal/web/web_test.go b/internal/web/web_test.go
index 6324443..49915f4 100644
--- a/internal/web/web_test.go
+++ b/internal/web/web_test.go
@@ -962,3 +962,16 @@ func TestLoginThrottled(t *testing.T) {
 		t.Errorf("got %d, want 429", rec.Code)
 	}
 }
+
+// The login form is the one POST outside guardPOST; it caps its own body.
+func TestLoginBodyCapped(t *testing.T) {
+	s := NewServer(&config.Config{BaseDomain: "example.com", JWTSecret: []byte("x")}, nil)
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest("POST", "/webadmin", strings.NewReader("username=a&password="+strings.Repeat("x", maxLoginBody)))
+	req.Host = "example.com"
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	s.ServeHTTP(rec, req)
+	if rec.Code != http.StatusBadRequest {
+		t.Errorf("got %d, want 400", rec.Code)
+	}
+}