OAuth2 & Social Auth Flows

Configure social login and OAuth2 authentication.

Supported Providers

Provider	Strategy	Status
Google	OAuth2	Built-in
GitHub	OAuth2	Built-in
Facebook	OAuth2	Built-in
Twitter	OAuth1.1a	Built-in
Microsoft	OAuth2	Built-in
LinkedIn	OAuth2	Built-in

OAuth2 Flow

Configuration

# Google
GOOGLE_CLIENT_ID=your-client-id
GOOGLE_CLIENT_SECRET=your-client-secret
GOOGLE_CALLBACK_URL=http://localhost:3000/api/auth/google/callback

# GitHub
GITHUB_CLIENT_ID=your-client-id
GITHUB_CLIENT_SECRET=your-client-secret
GITHUB_CALLBACK_URL=http://localhost:3000/api/auth/github/callback

# Facebook
FACEBOOK_CLIENT_ID=your-app-id
FACEBOOK_CLIENT_SECRET=your-app-secret
FACEBOOK_CALLBACK_URL=http://localhost:3000/api/auth/facebook/callback

Implementation

@UseGuards(AuthGuard('google'))
@Get('google')
async googleAuth() {}

@UseGuards(AuthGuard('google'))
@Get('google/callback')
async googleAuthCallback(@Req() req) {
  return this.authService.socialLogin(req.user, 'google');
}

Related Pages

• JWT Deep Dive — token management
• SSO with SAML — enterprise SSO
• Authentication API — auth API