README

Integrate the new authentication system from Symfony 5.2 with Auth0.

Installation

Install with Composer:

composer require happyr/auth0-bundle

Enable the bundle in bundles.php

return [
    // ...
    Happyr\Auth0Bundle\HappyrAuth0Bundle::class => ['all' => true],
];

Add your credentials and basic settings.

// config/packages/happyr_auth0.yaml
happyr_auth0:
    # In the sdk node, you can provide every settings provided by the auth0/auth0-PHP library
    # (https://github.com/auth0/auth0-PHP#configuration-options).
    # Only the "configuration" argument is not authorized.
    # For every parameter that reference an object, you must provide a service name.
    sdk:
        domain: '%env(AUTH0_DOMAIN)%'
        clientId: '%env(AUTH0_CLIENT_ID)%'
        clientSecret: '%env(AUTH0_SECRET)%'
        tokenCache: 'cache.app' # will reference the @cache.app service automatically
        managementTokenCache: 'cache.app'
        cookieSecret: '%kernel.secret%' # To encrypt cookie values
        scope:
          - openid # "openid" is required.
          - profile
          - email

You are now up and running and can use services Auth0\SDK\Auth0, Auth0\SDK\API\Authentication, Auth0\SDK\API\Management and Auth0\SDK\Configuration\SdkConfiguration.

If you want to integrate with the authentication system there are a bit more configuration you may do.

Authentication

Start by telling Symfony what entrypoint we use and add auth0.authenticator as "custom authenticator". This will make Symfony aware of the Auth0Bundle and how to use it.

// config/packages/security.yml
security:
    enable_authenticator_manager: true # Use the new authentication system

    # Example user provider
    providers:
        users:
            entity:
                class: 'App\Entity\User'
                property: 'auth0Id'

    firewalls:
        default:
            pattern:  ^/.*

            # Specify the entrypoint
            entry_point: auth0.entry_point

            # Add custom authenticator
            custom_authenticators:
                - auth0.authenticator

            # Example logout path
            logout:
                path: default_logout
                target: _user_logout
                invalidate_session: true

Next we need to configure the behavior of the bundle.

// config/packages/happyr_auth0.yaml
happyr_auth0:
    # ...

    firewall:
        # If a request comes into route default_login_check, we will intercept
        # it and redirect the user to auth0.
        check_route: default_login_check

        # The path or route where to redirect users on failure
        failure_path: default_logout

        # The default path or route to redirect users after login
        default_target_path: user_dashboard

The failure_path and default_target_path will use Symfony\Component\Security\Http\Authentication\DefaultAuthenticationFailureHandler and Symfony\Component\Security\Http\Authentication\DefaultAuthenticationSuccessHandler to handle redirects.

You may use your own handlers by specifying the service ids:

// config/packages/happyr_auth0.yaml
happyr_auth0:
   # ...

   firewall:
       # If a request comes into route default_login_check, we will intercept
       # it and redirect the user to auth0.
       check_route: default_login_check

       failure_handler: App\Security\AuthenticationHandler\MyFailureHandler
       success_handler: App\Security\AuthenticationHandler\MySuccessHandler

Custom user provider

If you want to use a custom UserProvider that fetches a user with more data than just the Auth0 id, then you may create a service that implement Happyr\Auth0Bundle\Security\Auth0UserProviderInterface.

Then configure the bundle to use that service:

// config/packages/happyr_auth0.yaml
happyr_auth0:
    # ...

    firewall:
        # ..
        user_provider: App\UserProvider\Auth0UserProvider

Troubleshooting

Make sure you have csrf_protection enabled.

framework:
    csrf_protection:
        enabled: true

Example configuration

Below is an example configuration. We use the Psr6Store to store all data in Redis and the session key in cookies. We also define to use the MemoryStore when testing.

happyr_auth0:
    sdk:
        domain: '%env(AUTH0_DOMAIN)%'
        clientId: '%env(AUTH0_CLIENT_ID)%'
        clientSecret: '%env(AUTH0_SECRET)%'
        # Use custom domain for universal login
        customDomain: '%env(AUTH0_LOGIN_DOMAIN)%'
        cookieSecret: '%kernel.secret%'
        tokenCache: 'cache.redis'
        managementTokenCache: 'cache.redis'
        transientStorage: 'auth0.storage.transient'
        sessionStorage: 'auth0.storage.session'
        scope:
            - openid # "openid" is required.
            - profile
            - email
    firewall:
        check_route: default_login_check
        failure_path: default_logout
        default_target_path: startpage

services:
    # Create a new SdkConfiguration service to be able to create
    # auth0.storage.cookie_* services without circular references

    auth0.sdk_cookie_config:
        class: Auth0\SDK\Configuration\SdkConfiguration
        arguments:
            - domain: '%env(AUTH0_DOMAIN)%'
              clientId: '%env(AUTH0_CLIENT_ID)%'
              clientSecret: '%env(AUTH0_SECRET)%'
              customDomain: '%env(AUTH0_LOGIN_DOMAIN)%'
              cookieSecret: '%kernel.secret%'

    auth0.storage.cookie_transient:
        class: Auth0\SDK\Store\CookieStore
        factory: ['@auth0.sdk_cookie_config', 'getTransientStorage']

    auth0.storage.cookie_session:
        class: Auth0\SDK\Store\CookieStore
        factory: ['@auth0.sdk_cookie_config', 'getSessionStorage']

    auth0.storage.transient:
        class: Auth0\SDK\Store\Psr6Store
        arguments: ['@auth0.storage.cookie_transient', '@cache.redis']

    auth0.storage.session:
        class: Auth0\SDK\Store\Psr6Store
        arguments: ['@auth0.storage.cookie_session', '@cache.redis']

when@test:
    services:
        test.auth0.session_storage:
            class: Auth0\SDK\Store\MemoryStore

        test.auth0.transient_storage:
            class: Auth0\SDK\Store\MemoryStore

    happyr_auth0:
        sdk:
            transientStorage: test.auth0.transient_storage
            sessionStorage: test.auth0.session_storage

happyr / auth0-bundle

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