Chamilo/main/auth/cas/cas_var.inc.php

<?php

/* This file contains all the configuration variable for the cas module
 * In the future, these will be in the database
*/

if (api_is_cas_activated()) {
    require_once __DIR__.'/../../../vendor/apereo/phpcas/source/CAS.php';

    // Get the $cas array from app/config/auth.conf.php
    global $cas;

    if (is_array($cas) && array_key_exists('debug', $cas) && !empty($cas['debug'])) {
        phpCAS::setDebug($cas['debug']);
    }

    if (is_array($cas) && array_key_exists('verbose', $cas) && $cas['verbose']) {
        phpCAS::setVerbose(true);
    }

    if (!phpCAS::isInitialized()) {
        switch (api_get_setting('cas_protocol')) {
            case 'CAS1':
                $version = CAS_VERSION_1_0;
                break;
            case 'CAS3':
                $version = CAS_VERSION_3_0;
                break;
            case 'SAML':
                $version = SAML_VERSION_1_1;
                break;
            case 'CAS2':
            default:
                $version = CAS_VERSION_2_0;
        }
        $port = api_get_setting('cas_port');
        if (is_null($port)) {
            $port = 443;
        } else {
            $port = intval($port) ?: 443;
        }
        $uri = api_get_setting('cas_server_uri') ?: '';
        $hostname = api_get_setting('cas_server') ?: 'localhost';
        $serviceBaseUrl = '';

        if (is_array($cas)) {
            if (array_key_exists('service_base_url', $cas)) {
                $serviceBaseUrl = $cas['service_base_url'];
            }
        }

        phpCAS::client($version, $hostname, $port, $uri, $serviceBaseUrl);

        if (is_array($cas) && array_key_exists('noCasServerValidation', $cas) && $cas['noCasServerValidation']) {
            phpCAS::setNoCasServerValidation();
        }

        if (is_array($cas)) {
            if (array_key_exists('fixedServiceURL', $cas)) {
                $fixedServiceURL = $cas['fixedServiceURL'];
                if (is_string($fixedServiceURL)) {
                    phpCAS::setFixedServiceURL($fixedServiceURL);
                } elseif (is_bool($fixedServiceURL) && $fixedServiceURL) {
                    phpCAS::setFixedServiceURL(api_get_configuration_value('root_web'));
                }
            }

            if (isset($cas['saml_validate_url'])) {
                phpCAS::setServerSamlValidateURL($cas['saml_validate_url']);
            }
        }
    }
}