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<?php
use Lti\ResourceLink;
use Studip\Lti\Enum\LtiVersion;
use Lti\RegistrationPrivacySettings;
final class Lti_ConsentController extends AuthenticatedController
{
public function edit_action(ResourceLink $resourceLink): void
{
PageLayout::disableSidebar();
$registration = $resourceLink->deployment->registration;
$privacySettings = RegistrationPrivacySettings::findOneBySQL(
'registration_id = :registration_id AND user_id = :user_id',
[
'registration_id' => $registration->id,
'user_id' => User::findCurrent()->id
]
);
if (!$privacySettings) {
$privacySettings = new RegistrationPrivacySettings();
$privacySettings->registration_id = $registration->id;
$privacySettings->user_id = User::findCurrent()->id;
}
if (Request::isPost()) {
CSRFProtection::verifyUnsafeRequest();
if (Request::submitted('save')) {
if (!Request::get('confirmed')) {
PageLayout::postError(_('Ohne die aktive Zustimmung zur Weitergabe Ihrer personenbezogenen Daten können Sie das LTI-Tool nicht nutzen!'));
return;
}
$privacySettings->accepted = 1;
//Check which optional fields are allowed to be transmitted to the tool:
$optionalFieldList = Request::getArray('submit_optional_field');
$optionalFields = [];
if (array_key_exists('lang', $optionalFieldList)) {
$optionalFields[] = 'lang';
}
if (array_key_exists('avatar_url', $optionalFieldList)) {
$optionalFields[] = 'avatar_url';
}
$privacySettings->allowed_optional_fields = implode(',', $optionalFields);
$privacySettings->store();
if (Request::get('redirect') === 'launch') {
if ($registration->version == LtiVersion::Lti1p3a->value) {
$this->redirect('lti/1p3/index/launch/' . $resourceLink->id);
}
if ($registration->version == LtiVersion::Lti1P1->value) {
$this->redirect('lti/1p1/index/launch/' . $resourceLink->id);
}
return;
}
}
if (Request::isDialog()) {
//Close the dialog:
$this->response->add_header('X-Dialog-Close', '1');
return;
} else {
//Redirect to the LTI tool page of the course:
$this->redirect('course/lti/index');
}
}
$this->resourceLink = $resourceLink;
$this->privacySettings = $privacySettings;
if (Request::get('launch_container') === 'iframe') {
PageLayout::disableHeader();
PageLayout::disableFooter();
PageLayout::disableSidebar();
}
}
}
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