roundcubemail-plugins-kolab/plugins/kolab_sso/config.inc.php.dist

<?php

// Enable debugging
$config['kolab_sso_debug'] = true;

// IMAP (master) user
$config['kolab_sso_imap_user'] = 'cyrus-admin';

// IMAP (master) password
$config['kolab_sso_imap_pass'] = 'password';

// SMTP server host
// To override the SMTP port or connection method, provide a full URL like 'tls://somehost:587'
$config['kolab_sso_smtp_server'] = null;

// SMTP username
$config['kolab_sso_smtp_user'] = '';

// SMTP password
$config['kolab_sso_smtp_pass'] = '';

// LDAP user DN
$config['kolab_sso_ldap_user'] = 'uid=kolab-service,ou=Special Users,dc=example,dc=org';

// LDAP password
$config['kolab_sso_ldap_pass'] = 'password';

// Require SSO logon by removing possibility to logon with user/password
$config['kolab_sso_disable_login'] = false;

// SSO providers/configuration
$config['kolab_sso_options'] = array();
/* Example:
$config['kolab_sso_options'] = array(
    'keycloak' => array(
        // User-friendly name (will be displayed in the button label)
        'name'   => 'OpenIDC Test',
        // Driver name
        'driver' => 'openidc',
        // Provider API URI
        'uri' => 'https://kolab.eu.auth0.com',
        // Client ID/Secret for the API
        'client_id' => '20w6DXX69isNBaufCwyK24wkBHqPT2ht',
        'client_secret' => 'd78McGW4UWfFyZprGd8BCKooll',
        // Token URI, if different than <uri>/token
        'token_uri' => 'https://kolab.eu.auth0.com/oauth/token',
        // Authorize URI, if different than <uri>/authorize
        'auth_uri' => 'https://kolab.eu.auth0.com/authorize',
        // Response URI, by default we use https://domain.tld/path?_task=login&_action=sso
        // Define it if the Provider does not allow above
        // to use https://domain.tld/path/<response_uri> instead
        'response_uri' => '/sso',
        // Public key (or certificate) for token validation when using RS256/RS385/RS512 method
        'pubkey' => '-----BEGIN CERTIFICATE-----
            ...
            -----END CERTIFICATE-----
        ',
    ),
);
*/