initial commit

tests/integration/auth_email_revert_flow_test.go

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+/*
+ * 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 (
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+)
+
+func TestAuthEmailRevertFlow(t *testing.T) {
+	client := newTestClient(t)
+
+	t.Run("revert restores original email and clears mfa", func(t *testing.T) {
+		account := createTestAccount(t, client)
+		clearTestEmails(t, client)
+
+		startResp := startEmailChange(t, client, account, account.Password)
+
+		var originalProof string
+		if startResp.RequireOriginal {
+			originalEmail := waitForEmail(t, client, "email_change_original", account.Email)
+			originalCode := originalEmail.Metadata["code"]
+			originalProof = verifyOriginalEmailChange(t, client, account, startResp.Ticket, originalCode, account.Password)
+		} else {
+			originalProof = *startResp.OriginalProof
+		}
+
+		newEmail := fmt.Sprintf("integration-revert-%d@example.com", time.Now().UnixNano())
+		requestNewEmailChange(t, client, account, startResp.Ticket, newEmail, originalProof, account.Password)
+
+		newEmailData := waitForEmail(t, client, "email_change_new", newEmail)
+		newCode := newEmailData.Metadata["code"]
+		if newCode == "" {
+			t.Fatalf("expected new email code in metadata")
+		}
+
+		emailToken := verifyNewEmailChange(t, client, account, startResp.Ticket, newCode, originalProof, account.Password)
+
+		resp, err := client.patchJSONWithAuth("/users/@me", map[string]any{
+			"email_token": emailToken,
+			"password":    account.Password,
+		}, account.Token)
+		if err != nil {
+			t.Fatalf("failed to finalize email change: %v", err)
+		}
+		assertStatus(t, resp, http.StatusOK)
+		resp.Body.Close()
+
+		revertEmail := waitForEmail(t, client, "email_change_revert", account.Email)
+		revertToken := revertEmail.Metadata["token"]
+		if revertToken == "" {
+			t.Fatalf("expected revert token in email metadata")
+		}
+
+		newPassword := uniquePassword()
+		resp, err = client.postJSON("/auth/email-revert", map[string]any{
+			"token":    revertToken,
+			"password": newPassword,
+		})
+		if err != nil {
+			t.Fatalf("failed to call email revert endpoint: %v", err)
+		}
+		assertStatus(t, resp, http.StatusOK)
+		var revertResp loginResponse
+		decodeJSONResponse(t, resp, &revertResp)
+		resp.Body.Close()
+
+		if revertResp.Token == "" {
+			t.Fatalf("expected revert to return a new token")
+		}
+
+		if respOld, err := client.getWithAuth("/users/@me", account.Token); err == nil {
+			if respOld.StatusCode == http.StatusOK {
+				t.Fatalf("expected old session token to be invalidated after revert")
+			}
+			respOld.Body.Close()
+		}
+
+		resp, err = client.getWithAuth("/users/@me", revertResp.Token)
+		if err != nil {
+			t.Fatalf("failed to fetch user with reverted token: %v", err)
+		}
+		assertStatus(t, resp, http.StatusOK)
+		var user userPrivateResponse
+		decodeJSONResponse(t, resp, &user)
+		resp.Body.Close()
+
+		if user.Email != account.Email {
+			t.Fatalf("expected email to revert to %s, got %s", account.Email, user.Email)
+		}
+		if user.MfaEnabled || len(user.AuthenticatorTypes) > 0 {
+			t.Fatalf("expected MFA to be disabled after revert")
+		}
+		if user.Phone != nil {
+			t.Fatalf("expected phone number to be removed after revert, got %v", *user.Phone)
+		}
+		if user.PasswordLastChangedAt == nil {
+			t.Fatalf("expected password_last_changed_at to be set after revert")
+		}
+
+		login := loginTestUser(t, client, account.Email, newPassword)
+		if login.Token == "" {
+			t.Fatalf("expected login with new password to succeed")
+		}
+
+		resp, err = client.postJSON("/auth/login", loginRequest{Email: account.Email, Password: account.Password})
+		if err != nil {
+			t.Fatalf("failed to call login with old password: %v", err)
+		}
+		if resp.StatusCode == http.StatusOK {
+			t.Fatalf("expected old password login to fail after revert")
+		}
+		assertStatus(t, resp, http.StatusBadRequest)
+		resp.Body.Close()
+	})
+}