shib_login.php

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<?php

use ILIAS\AuthShibboleth\LoginPerformer;

require_once("../vendor/composer/vendor/autoload.php");
ilContext::init(ilContext::CONTEXT_SHIBBOLETH);
ilInitialisation::initILIAS();
global $DIC;

$server = $DIC->http()->request()->getServerParams();

if (
    !isset($server['HTTP_SHIB_APPLICATION_ID'])
    && !isset($server['Shib-Application-ID'])
    && !isset($server['REDIRECT_Shib_Application_ID'])
) {
    $factory = $DIC->ui()->factory();
    $message_box = $factory->messageBox()->failure("The file shib_login.php must be protected by Shibboleth, otherwise you cannot use Shibboleth authentication.")->withButtons([
        $factory->button()->standard('Open Documentation', './Services/AuthShibboleth/README.md')
    ]);

    $DIC->ui()->mainTemplate()->setContent($DIC->ui()->renderer()->render($message_box));
    $DIC->ui()->mainTemplate()->printToStdout();
} else {
    // authentication is done here
    $login = new LoginPerformer(
        ilLoggerFactory::getLogger('init'),
        $DIC->ctrl(),
        $DIC->ui()->mainTemplate(),
        $DIC->language(),
        $DIC['ilAuthSession']
    );

    $login->doShibbolethAuthentication();
}