initial commit

tests/integration/sudo_mode_invalid_token_rejected_test.go

@@ -0,0 +1,107 @@
+/*
+ * 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"
+)
+
+// TestSudoModeInvalidTokenRejected verifies that an invalid or malformed
+// sudo token is rejected and the user is required to verify with MFA/password.
+func TestSudoModeInvalidTokenRejected(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":   totpCodePrev(t, secret),
+	}, account.Token)
+	if err != nil {
+		t.Fatalf("failed to enable totp: %v", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("enable totp returned %d: %s", resp.StatusCode, readResponseBody(resp))
+	}
+	resp.Body.Close()
+
+	loginResp, err := client.postJSON("/auth/login", loginRequest{
+		Email:    account.Email,
+		Password: account.Password,
+	})
+	if err != nil {
+		t.Fatalf("failed to login: %v", err)
+	}
+	var login loginResponse
+	decodeJSONResponse(t, loginResp, &login)
+	if !login.MFA || login.Ticket == "" {
+		t.Fatalf("expected MFA required for login")
+	}
+
+	resp, err = client.postJSON("/auth/login/mfa/totp", map[string]string{
+		"code":   totpCodeNow(t, secret),
+		"ticket": login.Ticket,
+	})
+	if err != nil {
+		t.Fatalf("failed to complete MFA login: %v", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("MFA login returned %d: %s", resp.StatusCode, readResponseBody(resp))
+	}
+	var mfaLogin mfaLoginResponse
+	decodeJSONResponse(t, resp, &mfaLogin)
+	if mfaLogin.Token == "" {
+		t.Fatalf("MFA login did not return a token")
+	}
+	account.Token = mfaLogin.Token
+
+	invalidTokens := []string{
+		"invalid-token",
+		"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.invalid.signature",
+		"",
+		"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ0eXBlIjoibm90LXN1ZG8ifQ.fakesignature",
+	}
+
+	for _, invalidToken := range invalidTokens {
+		var headers map[string]string
+		if invalidToken != "" {
+			headers = map[string]string{sudoModeHeader: invalidToken}
+		} else {
+			headers = nil
+		}
+
+		resp, err = client.postJSONWithAuthAndHeaders("/users/@me/disable", map[string]any{}, account.Token, headers)
+		if err != nil {
+			t.Fatalf("failed to make request with invalid token: %v", err)
+		}
+		if resp.StatusCode != http.StatusForbidden {
+			t.Fatalf("expected 403 for invalid sudo token %q, got %d: %s", invalidToken, resp.StatusCode, readResponseBody(resp))
+		}
+
+		var errResp errorResponse
+		decodeJSONResponse(t, resp, &errResp)
+		if errResp.Code != "SUDO_MODE_REQUIRED" {
+			t.Fatalf("expected SUDO_MODE_REQUIRED error code for invalid token, got: %s", errResp.Code)
+		}
+	}
+
+	t.Logf("all invalid sudo tokens were correctly rejected")
+}