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php-openid-client

Full OpenID client implementation.

Most of the library code is based on the awesome node-openid-client.

The PHP extension gmp could be required.

Implemented specs and features

• OAuth 2.0 RFC 6749 & OpenID Connect Core 1.0
  • Authorization (Authorization Code Flow, Implicit Flow, Hybrid Flow)
  • UserInfo Endpoint and ID Tokens including Signing and Encryption (using the JWT Framework library)
  • Passing a Request Object by Value or Reference including Signing and Encryption
  • Offline Access / Refresh Token Grant
  • Client Credentials Grant
  • Client Authentication incl. client_secret_jwt and private_key_jwt methods
• OpenID Connect Discovery 1.0
• OpenID Connect Dynamic Client Registration 1.0 and RFC7591 OAuth 2.0 Dynamic Client Registration Protocol
• OAuth 2.0 Form Post Response Mode
• RFC7009 - OAuth 2.0 Token Revocation
• RFC7662 - OAuth 2.0 Token Introspection
• RFC7592 - OAuth 2.0 Dynamic Client Registration Management Protocol

Supports of the following draft specifications

• JWT Response for OAuth Token Introspection - draft 03
• JWT Secured Authorization Response Mode for OAuth 2.0 (JARM) - draft 02
• OAuth 2.0 JWT Secured Authorization Request (JAR)
• OAuth 2.0 Mutual TLS Client Authentication and Certificate Bound Access Tokens (MTLS) - draft 15

Installation

Requirements:

• psr/http-client-implementation implementation
• psr/http-factory-implementation implementation
• psr/http-message-implementation implementation

RSA signing algorithms are already included from the JWT Framework package`. If you need other algorithms you should install it manually.

Basic Usage

For a basic usage you shouldn't require any other dependency package.

Every builder have methods to customize instances with other dependencies.

Client registration

See OpenID Connect Dynamic Client Registration 1.0 and RFC7591 OAuth 2.0 Dynamic Client Registration Protocol.

Token Introspection

See RFC7662 - OAuth 2.0 Token Introspection.

Token Revocation

See RFC7009 - OAuth 2.0 Token Revocation.

Request Object

You can create a request object authorization request with the Facile\OpenIDClient\RequestObject\RequestObjectFactory class.

This will create a signed (and optionally encrypted) JWT token based on your client metadata.

Then you can use it to create the AuthRequest:

Aggregated and Distributed Claims

The library can handle aggregated and distributed claims:

`

Using middlewares

There are some middlewares and handles available:

SessionCookieMiddleware

This middleware should always be on top of middlewares chain to provide a session for state and nonce parameters.

To use it you should install the dflydev/fig-cookies package:

The middleware provides a Facile\OpenIDClient\Session\AuthSessionInterface attribute with an Facile\OpenIDClient\Session\AuthSessionInterface stateful instance used to persist session data.

Using another session storage

If you have another session storage, you can handle it and provide a Facile\OpenIDClient\Session\AuthSessionInterface instance in the Facile\OpenIDClient\Session\AuthSessionInterface attribute.

ClientProviderMiddleware

This middleware should always be on top of middlewares chain to provide the client to the other middlewares.

AuthRequestProviderMiddleware

This middleware provide the auth request to use with the AuthRedirectHandler.

AuthRedirectHandler

This handler will redirect the user to the OpenID authorization page.

CallbackMiddleware

This middleware will handle the callback from the OpenID provider.

It will provide a Facile\OpenIDClient\Token\TokenSetInterface attribute with the final TokenSet object.

UserInfoMiddleware

This middleware will fetch user data from the userinfo endpoint and will provide an Facile\OpenIDClient\Middleware\UserInfoMiddleware attribute with user infos as array.

Performance improvements for production environment

It's important to use a cache to avoid to fetch issuer configuration and keys on every request.

Using Psalm

If you need to use Psalm you can include the plugin in your psalm.xml.