Module oauth2 

OAuth2 Authentication Module

Implements OAuth2 authentication flows including:

• Authorization Code Flow (with PKCE)
• Client Credentials Flow
• Refresh Token Flow

Supports integration with external OAuth2 providers (Google, GitHub, etc.) and can also act as an OAuth2 authorization server.

Structs

AccessToken

OAuth2 access token

AuthorizationCode

Authorization code

ErrorResponse

OAuth2 error response

OAuth2Client

OAuth2 client registration

OAuth2ProviderConfig

OAuth2 provider configuration for external providers

OAuth2Server

OAuth2 authorization server

RefreshToken

OAuth2 refresh token

Scope

OAuth2 scope

TokenResponse

OAuth2 token response

Enums

CodeChallengeMethod

PKCE code challenge method

GrantType

OAuth2 grant types

ResponseType

OAuth2 response type

TokenType

OAuth2 token type