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Module Auth

Authentification utilisateur, inscription et gestion de session via base44.auth.

TypeScript Types
Methods
Examples
Error Handling
Auth Providers
Environment Availability
App Visibility
Limitations

TypeScript Types

User Interface

interface User {
  id: string;
  created_date: string;
  updated_date: string;
  email: string;
  full_name: string | null;
  disabled: boolean | null;
  is_verified: boolean;
  app_id: string;
  is_service: boolean;
  role: string;
  [key: string]: any; // Custom schema fields
}

LoginResponse Interface

interface LoginResponse {
  access_token: string;  // JWT token
  user: User;           // Complete user object
}

Parameter Interfaces

RegisterParams

interface RegisterParams {
  email: string;                    // Required
  password: string;                 // Required
  turnstile_token?: string | null;  // Optional: Cloudflare Turnstile for bot protection
  referral_code?: string | null;    // Optional: Referral code
}

VerifyOtpParams

interface VerifyOtpParams {
  email: string;     // User's email
  otpCode: string;   // OTP code from email
}

ResetPasswordParams

interface ResetPasswordParams {
  resetToken: string;   // Token from password reset email
  newPassword: string;  // New password to set
}

ChangePasswordParams

interface ChangePasswordParams {
  userId: string;          // User ID
  currentPassword: string; // Current password for verification
  newPassword: string;     // New password to set
}

Provider Type

type Provider = 'google' | 'microsoft' | 'facebook';

Methods

Module Interface

interface AuthModule {
  // User Info
  me(): Promise<User>;
  updateMe(data: Partial<Omit<User, 'id' | 'created_date' | 'updated_date' | 'app_id' | 'is_service'>>): Promise<User>;
  isAuthenticated(): Promise<boolean>;

  // Login/Logout
  loginViaEmailPassword(email: string, password: string, turnstileToken?: string): Promise<LoginResponse>;
  loginWithProvider(provider: Provider, fromUrl?: string): void;
  logout(redirectUrl?: string): void;
  redirectToLogin(nextUrl: string): void;

  // Token Management
  setToken(token: string, saveToStorage?: boolean): void;

  // Registration
  register(params: RegisterParams): Promise<any>;
  verifyOtp(params: VerifyOtpParams): Promise<any>;
  resendOtp(email: string): Promise<any>;

  // User Management
  inviteUser(userEmail: string, role: string): Promise<any>;

  // Password Management
  resetPasswordRequest(email: string): Promise<any>;
  resetPassword(params: ResetPasswordParams): Promise<any>;
  changePassword(params: ChangePasswordParams): Promise<any>;
}

Method Reference Table

Method	Parameters	Return Type	Description
`register()`	`params: RegisterParams`	`Promise<any>`	Create new user account
`loginViaEmailPassword()`	`email: string, password: string, turnstileToken?: string`	`Promise<LoginResponse>`	Authenticate with email/password
`loginWithProvider()`	`provider: Provider, fromUrl?: string`	`void`	Initiate OAuth login flow. Providers: `'google'` (default), `'microsoft'`, `'facebook'` (enable in app settings)
`me()`	None	`Promise<User>`	Get current authenticated user
`updateMe()`	`data: Partial<User>`	`Promise<User>`	Update current user’s profile
`logout()`	`redirectUrl?: string`	`void`	Redirect to server-side logout (clears HTTP-only cookies and session), then to redirectUrl or current URL
`redirectToLogin()`	`nextUrl: string`	`void`	⚠️ Avoid - Prefer custom login UI with `loginViaEmailPassword()` or `loginWithProvider()`
`isAuthenticated()`	None	`Promise<boolean>`	Check if user is logged in
`setToken()`	`token: string, saveToStorage?: boolean`	`void`	Manually set auth token
`inviteUser()`	`userEmail: string, role: string`	`Promise<any>`	Send invitation email
`verifyOtp()`	`params: VerifyOtpParams`	`Promise<any>`	Verify OTP code
`resendOtp()`	`email: string`	`Promise<any>`	Resend OTP code
`resetPasswordRequest()`	`email: string`	`Promise<any>`	Request password reset
`resetPassword()`	`params: ResetPasswordParams`	`Promise<any>`	Reset password with token
`changePassword()`	`params: ChangePasswordParams`	`Promise<any>`	Change user password

Examples

Register New User (Complete Flow)

Registration requires email verification before login. Complete flow:

Register - Create the user account
Verification email sent - User receives an OTP code
Verify OTP - User enters code to verify email
Login - User can now log in

try {
  // Step 1: Register the user
  await base44.auth.register({
    email: "user@example.com",
    password: "securePassword123",
    referral_code: "OPTIONAL_CODE",    // optional
    turnstile_token: "CAPTCHA_TOKEN"   // optional, for bot protection
  });
  console.log('Registration successful. Check email for OTP code.');

  // Step 2: User receives email with OTP code (e.g., "123456")

  // Step 3: Verify the OTP code
  await base44.auth.verifyOtp({
    email: "user@example.com",
    otpCode: "123456"  // code from verification email
  });
  console.log('Email verified successfully.');

  // Step 4: Now the user can log in
  const loginResponse = await base44.auth.loginViaEmailPassword(
    "user@example.com",
    "securePassword123"
  );
  console.log('Login successful:', loginResponse.user);

} catch (error) {
  console.error('Registration flow failed:', error.message);
  // Handle specific errors (see Error Handling section)
}

Important: Users cannot log in until they complete OTP verification. Attempting to call loginViaEmailPassword before verification will fail.

try {
  const response = await base44.auth.loginViaEmailPassword(
    "user@example.com",
    "password123",
    turnstileToken  // optional: for bot protection
  );

  console.log('Login successful');
  console.log('User:', response.user);
  console.log('Token:', response.access_token);

  // JWT is automatically stored for subsequent requests

} catch (error) {
  console.error('Login failed:', error.message);
  if (error.status === 401) {
    console.error('Invalid credentials');
  } else if (error.status === 403) {
    console.error('Email not verified. Please check your email for OTP.');
  }
}

Supported providers: 'google' (enabled by default), 'microsoft', and 'facebook'. Enable Microsoft or Facebook in your app’s authentication settings before using them.

// Redirect to Google OAuth
base44.auth.loginWithProvider('google');

// Redirect to Google OAuth and return to current page after
base44.auth.loginWithProvider('google', window.location.href);

// Microsoft or Facebook (enable in app settings first)
base44.auth.loginWithProvider('microsoft');
base44.auth.loginWithProvider('facebook', '/dashboard');

Get Current User

try {
  const user = await base44.auth.me();

  if (user) {
    console.log('User ID:', user.id);
    console.log('Email:', user.email);
    console.log('Name:', user.full_name);
    console.log('Role:', user.role);
    console.log('Verified:', user.is_verified);
  } else {
    console.log('User not authenticated');
  }

} catch (error) {
  console.error('Failed to fetch user:', error.message);
  if (error.status === 401) {
    // Token expired or invalid - navigate to your custom login page
    navigate('/login');
  }
}

Update User Profile

try {
  const updatedUser = await base44.auth.updateMe({
    full_name: "John Doe",
    // Custom schema fields can be updated here
    phone: "+1234567890",
    preferences: { theme: "dark" }
  });

  console.log('Profile updated:', updatedUser);

} catch (error) {
  console.error('Profile update failed:', error.message);
  if (error.status === 400) {
    console.error('Invalid data provided');
  } else if (error.status === 401) {
    console.error('Authentication required');
    navigate('/login');
  }
}

Check Authentication Status

try {
  const isLoggedIn = await base44.auth.isAuthenticated();

  if (isLoggedIn) {
    // Show authenticated UI
    console.log('User is authenticated');
  } else {
    // Show login button
    console.log('User is not authenticated');
  }

} catch (error) {
  console.error('Failed to check authentication:', error.message);
  // On error, treat as not authenticated
}

Logout

Logout redirects the user to the server-side logout endpoint (/api/apps/auth/logout) to clear HTTP-only cookies and the session, then redirects to the given URL (or the current page if omitted). Requires a browser environment.

// Logout: clears session via server, then redirects to current page
base44.auth.logout();

// Logout and redirect to goodbye page after
base44.auth.logout("/goodbye");

// Logout and redirect to homepage
base44.auth.logout("/");

Protected Route Pattern

// Using a navigation function (e.g., React Router's useNavigate, Next.js router)
async function requireAuth(navigate) {
  try {
    const user = await base44.auth.me();

    if (!user) {
      // Navigate to your custom login page
      navigate('/login', { state: { returnTo: window.location.pathname } });
      return null;
    }

    return user;

  } catch (error) {
    console.error('Authentication check failed:', error.message);
    navigate('/login', { state: { returnTo: window.location.pathname } });
    return null;
  }
}

// Usage in your app
async function loadProtectedPage(navigate) {
  const user = await requireAuth(navigate);
  if (!user) {
    // Will navigate to login
    return;
  }

  // Continue with authenticated logic
  console.log('Welcome,', user.full_name);
}

Set Authentication Token

// SECURITY WARNING: Never hardcode tokens or expose them in client code
// Tokens should only be received from secure authentication flows

// Set token and save to localStorage (default)
base44.auth.setToken(receivedToken);

// Set token without saving to localStorage (temporary session)
base44.auth.setToken(receivedToken, false);

// Verify token was set
try {
  const isAuthenticated = await base44.auth.isAuthenticated();
  if (!isAuthenticated) {
    console.error('Token validation failed');
  }
} catch (error) {
  console.error('Failed to set token:', error.message);
}

Invite User to Application

try {
  // Note: Typically requires admin privileges
  const response = await base44.auth.inviteUser(
    "newuser@example.com",
    "user"  // or "admin"
  );

  console.log('Invitation sent successfully');

} catch (error) {
  console.error('Failed to invite user:', error.message);
  if (error.status === 403) {
    console.error('Insufficient permissions to invite users');
  } else if (error.status === 400) {
    console.error('Invalid email or role');
  }
}

OTP Verification

try {
  // Verify OTP code sent to user's email
  await base44.auth.verifyOtp({
    email: "user@example.com",
    otpCode: "123456"
  });

  console.log('OTP verified successfully');

} catch (error) {
  console.error('OTP verification failed:', error.message);
  if (error.status === 400) {
    console.error('Invalid or expired OTP code');
  } else if (error.status === 429) {
    console.error('Too many attempts. Please try again later.');
  }
}

// Resend OTP if needed
try {
  await base44.auth.resendOtp("user@example.com");
  console.log('OTP resent successfully');

} catch (error) {
  console.error('Failed to resend OTP:', error.message);
  if (error.status === 429) {
    console.error('Too many requests. Please wait before trying again.');
  }
}

Password Reset Flow

// Step 1: Request password reset
try {
  await base44.auth.resetPasswordRequest("user@example.com");
  console.log('Password reset email sent. Check your inbox.');

} catch (error) {
  console.error('Password reset request failed:', error.message);
  if (error.status === 429) {
    console.error('Too many requests. Please try again later.');
  }
  // Note: For security, don't reveal if email exists
}

// Step 2: Reset password with token from email
try {
  await base44.auth.resetPassword({
    resetToken: "token-from-email",
    newPassword: "newSecurePassword123"
  });

  console.log('Password reset successfully. You can now log in.');

} catch (error) {
  console.error('Password reset failed:', error.message);
  if (error.status === 400) {
    console.error('Invalid or expired reset token');
  } else if (error.status === 422) {
    console.error('Password does not meet requirements');
  }
}

Change Password

try {
  const currentUser = await base44.auth.me();

  if (!currentUser) {
    throw new Error('User must be authenticated to change password');
  }

  await base44.auth.changePassword({
    userId: currentUser.id,
    currentPassword: "oldPassword123",
    newPassword: "newSecurePassword456"
  });

  console.log('Password changed successfully');

} catch (error) {
  console.error('Password change failed:', error.message);
  if (error.status === 401) {
    console.error('Current password is incorrect');
  } else if (error.status === 422) {
    console.error('New password does not meet requirements');
  } else if (error.status === 403) {
    console.error('Not authorized to change this password');
  }
}

Error Handling

Common Error Scenarios

The auth module can throw various errors. Here are common scenarios and how to handle them:

Authentication Errors (401/403)

try {
  const user = await base44.auth.me();
} catch (error) {
  if (error.status === 401) {
    // Token expired or invalid - navigate to your custom login page
    navigate('/login');
  } else if (error.status === 403) {
    // Email not verified or insufficient permissions
    console.error('Access denied:', error.message);
  }
}

Validation Errors (400/422)

try {
  await base44.auth.register({
    email: "invalid-email",
    password: "weak"
  });
} catch (error) {
  if (error.status === 400) {
    console.error('Invalid input:', error.message);
    // Handle validation errors
  } else if (error.status === 422) {
    console.error('Data validation failed:', error.details);
  }
}

Rate Limiting (429)

try {
  await base44.auth.resendOtp("user@example.com");
} catch (error) {
  if (error.status === 429) {
    console.error('Too many requests. Please wait before trying again.');
    // Show countdown or disable button temporarily
  }
}

Generic Error Handler

function handleAuthError(error) {
  switch (error.status) {
    case 400:
      return 'Invalid input. Please check your data.';
    case 401:
      return 'Authentication required. Redirecting to login...';
    case 403:
      return 'Access denied. You may need to verify your email.';
    case 404:
      return 'Resource not found.';
    case 422:
      return 'Validation failed. Please check your input.';
    case 429:
      return 'Too many requests. Please try again later.';
    case 500:
      return 'Server error. Please try again.';
    default:
      return 'An unexpected error occurred.';
  }
}

// Usage
try {
  await base44.auth.loginViaEmailPassword(email, password);
} catch (error) {
  console.error(handleAuthError(error));
}

Auth Providers

Configure authentication providers in your app dashboard:

Available Providers

Built-in (All Plans):

Email/Password - Default, always enabled
Google - OAuth authentication
Microsoft - OAuth authentication
Facebook - OAuth authentication

SSO Providers (Elite Plan):

Okta
Azure AD
GitHub

Using OAuth Providers

Google – enabled by default.
Microsoft – enable in your app’s authentication settings before use.
Facebook – enable in your app’s authentication settings before use.

// Initiate OAuth login flow
base44.auth.loginWithProvider('google');

// Return to specific page after authentication
base44.auth.loginWithProvider('microsoft', '/dashboard');

// Supported values: 'google', 'microsoft', 'facebook'

Environment Availability

Environment	Availability	Notes
Frontend	✅ Yes	All methods available
Backend Functions	✅ Yes	Use `createClientFromRequest(req)` for authenticated client
Service Role	❌ No	Auth methods not available in service role context

Frontend Usage

// Standard browser usage
const user = await base44.auth.me();

Backend Functions Usage

import { createClientFromRequest } from "@base44/sdk";

Deno.serve(async (req) => {
  const base44 = createClientFromRequest(req);

  // Get user from request context
  const user = await base44.auth.me();

  // User operations here...
  return Response.json({ user });
});

App Visibility

Control who can access your app in the app settings:

Public Apps

No login required for basic access
Users can view public content without authentication
Authenticated users get additional features/data

Private Apps

Login required to access any content
Unauthenticated users are automatically redirected to login
All content is protected by default

Limitations

Authentication UI Options

Recommended: Build custom login/signup UI using loginViaEmailPassword() and loginWithProvider() for full control over user experience and branding
Alternative: redirectToLogin() uses Base44’s hosted authentication pages with limited customization

redirectToLogin() shows both login and signup options on the same page
No separate redirectToSignup() method
Users can switch between login/signup on the hosted page
⚠️ Note: Prefer building custom login UI for better user experience

Password Requirements

Minimum length and complexity requirements enforced
Requirements not exposed via API
Validation errors returned when requirements not met

Rate Limiting

OTP requests are rate-limited to prevent abuse
Password reset requests are rate-limited
Login attempts may be rate-limited with Turnstile protection

Token Management

JWTs are automatically stored in localStorage by default
Token expiration and refresh not exposed in API
Call me() or isAuthenticated() to verify token validity

Best Practices

1. Always Handle Errors

try {
  await base44.auth.loginViaEmailPassword(email, password);
} catch (error) {
  // Always handle authentication errors
  console.error('Login failed:', error.message);
}

2. Verify Authentication Before Protected Actions

const user = await requireAuth();
if (!user) return; // Will redirect to login
// Proceed with authenticated action

3. Use Type Safety with TypeScript

import type { User, LoginResponse } from '@base44/sdk';

const user: User = await base44.auth.me();
const response: LoginResponse = await base44.auth.loginViaEmailPassword(email, password);

4. Don’t Hardcode Credentials

// ❌ BAD
base44.auth.setToken("hardcoded-token-here");

// ✅ GOOD
const token = await secureAuthFlow();
base44.auth.setToken(token);

5. Provide User Feedback

try {
  await base44.auth.register(params);
  showSuccessMessage('Registration successful! Check your email for verification code.');
} catch (error) {
  showErrorMessage('Registration failed: ' + error.message);
}

6. Handle Token Expiration Gracefully

try {
  const user = await base44.auth.me();
} catch (error) {
  if (error.status === 401) {
    // Clear local state and navigate to login
    localStorage.clear();
    navigate('/login');
  }
}

// ✅ RECOMMENDED - Custom login form with direct methods
const handleLogin = async (email, password) => {
  try {
    const { user } = await base44.auth.loginViaEmailPassword(email, password);
    navigate('/dashboard');
  } catch (error) {
    setError(error.message);
  }
};

const handleGoogleLogin = () => {
  base44.auth.loginWithProvider('google', '/dashboard');
};

// ❌ AVOID - Redirecting to hosted login page
// base44.auth.redirectToLogin(window.location.href);

Cette page a été traduite à l’aide de l’IA. Pour les informations les plus précises et à jour, consultez la version anglaise.

​Module Auth

​Contents

​TypeScript Types

​User Interface

​LoginResponse Interface

​Parameter Interfaces

​RegisterParams

​VerifyOtpParams

​ResetPasswordParams

​ChangePasswordParams

​Provider Type

​Methods

​Module Interface

​Method Reference Table

​Examples

​Register New User (Complete Flow)

​Login with Email/Password

​Login with OAuth Provider

​Get Current User

​Update User Profile

​Check Authentication Status

​Logout

​Protected Route Pattern

​Set Authentication Token

​Invite User to Application

​OTP Verification

​Password Reset Flow

​Change Password

​Error Handling

​Common Error Scenarios

​Authentication Errors (401/403)

​Validation Errors (400/422)

​Rate Limiting (429)

​Generic Error Handler

​Auth Providers

​Available Providers

​Using OAuth Providers

​Environment Availability

​Frontend Usage

​Backend Functions Usage

​App Visibility

​Public Apps

​Private Apps

​Limitations

​Authentication UI Options

​Hosted Login (via redirectToLogin)

​Password Requirements

​Rate Limiting

​Token Management

​Best Practices

​1. Always Handle Errors

​2. Verify Authentication Before Protected Actions

​3. Use Type Safety with TypeScript

​4. Don’t Hardcode Credentials

​5. Provide User Feedback

​6. Handle Token Expiration Gracefully

​7. Build Custom Login UI (Recommended)

Module Auth

Contents

TypeScript Types

User Interface

LoginResponse Interface

Parameter Interfaces

RegisterParams

VerifyOtpParams

ResetPasswordParams

ChangePasswordParams

Provider Type

Methods

Module Interface

Method Reference Table

Examples

Register New User (Complete Flow)

Login with Email/Password

Login with OAuth Provider

Get Current User

Update User Profile

Check Authentication Status

Logout

Protected Route Pattern

Set Authentication Token

Invite User to Application

OTP Verification

Password Reset Flow

Change Password

Error Handling

Common Error Scenarios

Authentication Errors (401/403)

Validation Errors (400/422)

Rate Limiting (429)

Generic Error Handler

Auth Providers

Available Providers

Using OAuth Providers

Environment Availability

Frontend Usage

Backend Functions Usage

App Visibility

Public Apps

Private Apps

Limitations

Authentication UI Options

Hosted Login (via redirectToLogin)

Password Requirements

Rate Limiting

Token Management

Best Practices

1. Always Handle Errors

2. Verify Authentication Before Protected Actions

3. Use Type Safety with TypeScript

4. Don’t Hardcode Credentials

5. Provide User Feedback

6. Handle Token Expiration Gracefully

7. Build Custom Login UI (Recommended)