initial commit

tests/integration/auth_webauthn_registration_user_handle_test.go

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package integration
+
+import (
+	"net/http"
+	"testing"
+)
+
+// TestAuthWebAuthnRegistrationUserHandle ensures registration options carry the
+// stable user identifier so authenticators bind passkeys to the correct account.
+func TestAuthWebAuthnRegistrationUserHandle(t *testing.T) {
+	client := newTestClient(t)
+	account := createTestAccount(t, client)
+
+	secret := newTotpSecret(t)
+	resp, err := client.postJSONWithAuth("/users/@me/mfa/totp/enable", map[string]string{
+		"secret": secret,
+		"code":   totpCodeNow(t, secret),
+	}, account.Token)
+	if err != nil {
+		t.Fatalf("failed to enable totp: %v", err)
+	}
+	assertStatus(t, resp, http.StatusOK)
+	resp.Body.Close()
+
+	resp, err = client.postJSONWithAuth("/users/@me/mfa/webauthn/credentials/registration-options", map[string]any{
+		"mfa_method": "totp",
+		"mfa_code":   totpCodeNow(t, secret),
+	}, account.Token)
+	if err != nil {
+		t.Fatalf("failed to request registration options: %v", err)
+	}
+	assertStatus(t, resp, http.StatusOK)
+
+	var options webAuthnRegistrationOptions
+	decodeJSONResponse(t, resp, &options)
+
+	handle := string(decodeBase64URL(t, options.User.ID))
+	if handle != account.UserID {
+		t.Fatalf("expected user handle %s, got %s", account.UserID, handle)
+	}
+}