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<?php
/**
* admin/lti.php - LTI consumer API for Stud.IP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Elmar Ludwig
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
*/
class Admin_LtiController extends AuthenticatedController
{
/**
* Callback function being called before an action is executed.
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
$GLOBALS['perm']->check('root');
Navigation::activateItem('/admin/config/lti');
PageLayout::setTitle(_('Konfiguration der LTI-Tools'));
$widget = Sidebar::get()->addWidget(new ActionsWidget());
$widget->addLink(
_('Neues LTI-Tool registrieren'),
$this->url_for('admin/lti/edit'),
Icon::create('add')
)->asDialog();
Helpbar::get()->addPlainText('', _('Hier können Sie Verknüpfungen mit externen Tools konfigurieren, sofern diese den LTI-Standard (Version 1.x) unterstützen.'));
}
/**
* Display the list of registered LTI tools.
*/
public function index_action()
{
$this->tools = LtiTool::findAll();
}
/**
* Display dialog for editing an LTI tool.
*
* @param int $id tool id
*/
public function edit_action($id = null)
{
$this->tool = new LtiTool($id);
}
/**
* Save changes for an LTI tool.
*
* @param int $id tool id
*/
public function save_action($id)
{
CSRFProtection::verifyUnsafeRequest();
$tool = new LtiTool($id ?: null);
$tool->name = trim(Request::get('name'));
$tool->launch_url = trim(Request::get('launch_url'));
$tool->consumer_key = trim(Request::get('consumer_key'));
$tool->consumer_secret = trim(Request::get('consumer_secret'));
$tool->custom_parameters = trim(Request::get('custom_parameters'));
$tool->allow_custom_url = Request::int('allow_custom_url', 0);
$tool->deep_linking = Request::int('deep_linking', 0);
$tool->send_lis_person = Request::int('send_lis_person', 0);
$tool->oauth_signature_method = Request::get('oauth_signature_method', 'sha1');
if ($tool->store()) {
PageLayout::postSuccess(sprintf(
_('Einstellungen für "%s" wurden gespeichert.'),
htmlReady($tool->name)
));
}
$this->redirect('admin/lti');
}
/**
* Delete an LTI tool.
*
* @param int $id tool id
*/
public function delete_action($id)
{
CSRFProtection::verifyUnsafeRequest();
$tool = LtiTool::find($id);
$tool_name = $tool->name;
if ($tool && $tool->delete()) {
PageLayout::postSuccess(sprintf(
_('Das LTI-Tool "%s" wurde gelöscht.'),
htmlReady($tool_name)
));
}
$this->redirect('admin/lti');
}
}
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