
:guide-id: mod-auth-openidc
:guide-parent: 
:guide-title: Configuring the mod_auth_openidc Apache HTTPD Module
:guide-summary: Configure the mod_auth_openidc Apache module with {project_name}.
:guide-priority: 50
:guide-tile-visible: true
:version: 26.4.0

include::../attributes.adoc[]

[[mod-auth-openidc]]
= Configuring the mod_auth_openidc Apache HTTPD Module

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WARNING: {project_name} does not provide any official support to mod_auth_openidc. The instructions below are best-effort and may not be up-to-date.
We recommend that you stick to official mod_auth_openidc documentation for more details.

The https://github.com/OpenIDC/mod_auth_openidc[mod_auth_openidc] is an Apache HTTP plugin for OpenID Connect. If your language/environment supports using Apache HTTPD
as a proxy, then you can use _mod_auth_openidc_ to secure your web application with OpenID Connect.  Configuration of this module
is beyond the scope of this document.  Please see the _mod_auth_openidc_ GitHub repo for more details on configuration.

To configure _mod_auth_openidc_ you'll need

* The client_id.
* The client_secret.
* The redirect_uri to your application.
* The {project_name} openid-configuration url
* _mod_auth_openidc_ specific Apache HTTPD module config.

An example configuration would look like the following.

[source,subs="attributes+"]
----
LoadModule auth_openidc_module modules/mod_auth_openidc.so

ServerName ${HOSTIP}

<VirtualHost *:80>

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html

    #this is required by mod_auth_openidc
    OIDCCryptoPassphrase a-random-secret-used-by-apache-oidc-and-balancer

    OIDCProviderMetadataURL ${KC_ADDR}{kc_realms_path}/${KC_REALM}/.well-known/openid-configuration

    OIDCClientID ${CLIENT_ID}
    OIDCClientSecret ${CLIENT_SECRET}
    OIDCRedirectURI http://${HOSTIP}/${CLIENT_APP_NAME}/redirect_uri

    # maps the preferred_username claim to the REMOTE_USER environment variable
    OIDCRemoteUserClaim preferred_username

    <Location /${CLIENT_APP_NAME}/>
        AuthType openid-connect
        Require valid-user
    </Location>
</VirtualHost>
----

Further information on how to configure mod_auth_openidc can be found on the https://github.com/OpenIDC/mod_auth_openidc[mod_auth_openidc]
project page.


