IDCI Keycloak Security Bundle

This Symfony bundle is an alternative solution to FOSUserBundle, working with keycloak.

For symfony 2/3/4 use version 1.2.0 For symfony 5+ use version 2.0.0 or +

Installation

With composer:

$ composer require idci/keycloak-security-bundle

Configuration

If you want to set up keycloak locally you can download it here and follow instructions from the official documentation. In case that you want to use keycloak in docker go directly to configuration for Docker.

Bundle configuration

Basic

In case of you already have keycloak running locally on your machine or is running remotely but without proxy, here is the default configuration you should use:

# config/packages/idci_keycloak_security.yaml
idci_keycloak_security:
    server_url: '%env(resolve:KEYCLOAK_SERVER_BASE_URL)%'
    server_public_url: '%env(resolve:KEYCLOAK_SERVER_PUBLIC_BASE_URL)%'
    server_private_url: '%env(resolve:KEYCLOAK_SERVER_PRIVATE_BASE_URL)%'
    realm: '%env(resolve:KEYCLOAK_REALM)%'
    client_id: '%env(resolve:KEYCLOAK_CLIENT_ID)%'
    client_secret: '%env(resolve:KEYCLOAK_CLIENT_SECRET)%'
    default_target_route_name: 'app_home'
    ssl_verification: true

Docker

If you want to use keycloak in docker you can base your stack on this sample.

Here is a stack example configuration for docker swarm:

# config/packages/idci_keycloak_security.yaml
idci_keycloak_security:
    server_public_url: 'http://keycloak.docker' # your keycloak url accessible via your navigator
    server_private_url: 'http://keycloak:8080' # your keycloak container reference in the network
    realm: 'MyRealm'
    client_id: 'my-client'
    client_secret: '21d4cc5c-9ed6-4bf8-8528-6d659b66f216'
    default_target_route_name: 'home' # The route you will be redirected to after sign in

Make sure that your php container in the container is attached to a network with keycloak, otherwise it will not be able to resolve "http://keycloak:8080/auth" and the public_server_url must be accessible through the port 80 because keycloak verify the issuer.

NOTE: The keycloak api endpoint as change, so if you used an old version, add the /auth to you url:

idci_keycloak_security:
    server_public_url: 'http://keycloak.docker/auth'
    server_private_url: 'http://keycloak:8080/auth'

Route configuration

Create a new file in config/routes/ to load pre configured bundle routes.

# config/routes/idci_keycloak_security.yaml
IDCIKeycloakSecurityBundle:
    resource: "@IDCIKeycloakSecurityBundle/Resources/config/routing.yaml"
    prefix: /

This will add the following routes to your application:

idci_keycloak_security_auth_connect       => /auth/connect/keycloak
idci_keycloak_security_auth_connect_check => /auth/connect-check/keycloak
idci_keycloak_security_auth_logout        => /auth/logout
idci_keycloak_security_auth_account       => /auth/account

Symfony security configuration

To link keycloak with symfony you must configure your application security file.

Here is a simple configuration that restrict access to /* routes only to user with roles "ROLE_USER" or "ROLE_ADMIN" :

# config/packages/security.yaml
imports:
    # Import Keycloak security providers
    - { resource: '@IDCIKeycloakSecurityBundle/Resources/config/security.yaml' }

security:

    enable_authenticator_manager: true
    firewalls:

        # This route create the OAuth 2 "User Authorization Request" and must be accessible for unauthenticated users
        auth_connect:
            pattern: /auth/connect/keycloak
            security: false

        # Here is an example to protect your application (API) using OAuth 2 Client Credentials Flow (JWT with Bearer token authentication)
        api:
            pattern: ^/api
            provider: idci_keycloak_bearer_security_provider
            entry_point: IDCI\Bundle\KeycloakSecurityBundle\Security\EntryPoint\BearerAuthenticationEntryPoint
            custom_authenticators:
                - IDCI\Bundle\KeycloakSecurityBundle\Security\Authenticator\KeycloakBearerAuthenticator

        # Here is an example to protect your application (UI) using OAuth 2 Authorization Code Flow
        secured_area:
            pattern: ^/
            provider: idci_keycloak_security_provider
            entry_point: IDCI\Bundle\KeycloakSecurityBundle\Security\EntryPoint\AuthenticationEntryPoint
            custom_authenticators:
                - IDCI\Bundle\KeycloakSecurityBundle\Security\Authenticator\KeycloakAuthenticator
            logout:
                path: idci_keycloak_security_auth_logout

    role_hierarchy:
        ROLE_ADMIN: ROLE_USER

    access_control:
        # This following ROLES must be configured in your Keycloak client
        - { path: ^/admin, roles: ROLE_ADMIN }
        - { path: ^/api, roles: ROLE_API }

Note: If you wish to secure your application using OAuth 2 Authorization Code Flow for route starting with /admin, you will have to put the provided bundle routes behind the firewall, so here is an example on how to do this:

    ...

        secured_area:
            pattern: ^/(admin|auth)
            provider: idci_keycloak_security_provider
            entry_point: IDCI\Bundle\KeycloakSecurityBundle\Security\EntryPoint\AuthenticationEntryPoint
            custom_authenticators:
                - IDCI\Bundle\KeycloakSecurityBundle\Security\Authenticator\KeycloakAuthenticator
            logout:
                path: idci_keycloak_security_auth_logout

    ...

Keycloak configuration

If you need help to use keycloak because it is the first time you work on it, we've made a little tutorial step by step describing a basic configuration of a keycloak realm:

Logout

To logout users, use the route 'idci_keycloak_security_auth_logout':

<a href="{{ url('idci_keycloak_security_auth_logout') }}">Logout</a>

Keycloak user account space

If you wants to provide a link to access keycloak user account space, use the route 'idci_keycloak_security_auth_account':

<a href="{{ url('idci_keycloak_security_auth_account') }}">Account</a>

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