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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
//
// This file is part of BasicLTI4Moodle
//
// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
// are already supporting or going to support BasicLTI. This project Implements the consumer
// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
// at the GESSI research group at UPC.
// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
//
// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
// of the Universitat Politecnica de Catalunya http://www.upc.edu
// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.
/**
* This file defines de main basiclti configuration form
*
* @package mod_lti
* @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
* marc.alier@upc.edu
* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
* @author Marc Alier
* @author Jordi Piguillem
* @author Nikolas Galanis
* @author Charles Severance
* @author Chris Scribner
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
global $CFG;
require_once($CFG->libdir.'/formslib.php');
require_once($CFG->dirroot.'/mod/lti/locallib.php');
/**
* LTI Edit Form
*
* @package mod_lti
* @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
* marc.alier@upc.edu
* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_lti_edit_types_form extends moodleform {
/**
* Define this form.
*/
public function definition() {
global $CFG, $PAGE;
$mform =& $this->_form;
$istool = $this->_customdata && isset($this->_customdata->istool) && $this->_customdata->istool;
$typeid = $this->_customdata->id ?? '';
$clientid = $this->_customdata->clientid ?? '';
// Add basiclti elements.
$mform->addElement('header', 'setup', get_string('tool_settings', 'lti'));
$mform->addElement('text', 'lti_typename', get_string('typename', 'lti'));
$mform->setType('lti_typename', PARAM_TEXT);
$mform->addHelpButton('lti_typename', 'typename', 'lti');
$mform->addRule('lti_typename', null, 'required', null, 'client');
$mform->addElement('text', 'lti_toolurl', get_string('toolurl', 'lti'), array('size' => '64'));
$mform->setType('lti_toolurl', PARAM_URL);
$mform->addHelpButton('lti_toolurl', 'toolurl', 'lti');
$mform->addElement('textarea', 'lti_description', get_string('tooldescription', 'lti'), array('rows' => 4, 'cols' => 60));
$mform->setType('lti_description', PARAM_TEXT);
$mform->addHelpButton('lti_description', 'tooldescription', 'lti');
if (!$istool) {
$mform->addRule('lti_toolurl', null, 'required', null, 'client');
} else {
$mform->disabledIf('lti_toolurl', null);
}
if (!$istool) {
$options = array(
LTI_VERSION_1 => get_string('oauthsecurity', 'lti'),
LTI_VERSION_1P3 => get_string('jwtsecurity', 'lti'),
);
$mform->addElement('select', 'lti_ltiversion', get_string('ltiversion', 'lti'), $options);
$mform->setType('lti_ltiversion', PARAM_TEXT);
$mform->addHelpButton('lti_ltiversion', 'ltiversion', 'lti');
$mform->setDefault('lti_ltiversion', LTI_VERSION_1);
$mform->addElement('text', 'lti_resourcekey', get_string('resourcekey_admin', 'lti'));
$mform->setType('lti_resourcekey', PARAM_TEXT);
$mform->addHelpButton('lti_resourcekey', 'resourcekey_admin', 'lti');
$mform->hideIf('lti_resourcekey', 'lti_ltiversion', 'eq', LTI_VERSION_1P3);
$mform->setForceLtr('lti_resourcekey');
$mform->addElement('passwordunmask', 'lti_password', get_string('password_admin', 'lti'));
$mform->setType('lti_password', PARAM_TEXT);
$mform->addHelpButton('lti_password', 'password_admin', 'lti');
$mform->hideIf('lti_password', 'lti_ltiversion', 'eq', LTI_VERSION_1P3);
if (!empty($typeid)) {
$mform->addElement('text', 'lti_clientid_disabled', get_string('clientidadmin', 'lti'));
$mform->setType('lti_clientid_disabled', PARAM_TEXT);
$mform->addHelpButton('lti_clientid_disabled', 'clientidadmin', 'lti');
$mform->hideIf('lti_clientid_disabled', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->disabledIf('lti_clientid_disabled', null);
$mform->setForceLtr('lti_clientid_disabled');
$mform->addElement('hidden', 'lti_clientid');
$mform->setType('lti_clientid', PARAM_TEXT);
}
$keyoptions = [
LTI_RSA_KEY => get_string('keytype_rsa', 'lti'),
LTI_JWK_KEYSET => get_string('keytype_keyset', 'lti'),
];
$mform->addElement('select', 'lti_keytype', get_string('keytype', 'lti'), $keyoptions);
$mform->setType('lti_keytype', PARAM_TEXT);
$mform->addHelpButton('lti_keytype', 'keytype', 'lti');
$mform->setDefault('lti_keytype', LTI_JWK_KEYSET);
$mform->hideIf('lti_keytype', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->addElement('textarea', 'lti_publickey', get_string('publickey', 'lti'), ['rows' => 8, 'cols' => 60]);
$mform->setType('lti_publickey', PARAM_TEXT);
$mform->addHelpButton('lti_publickey', 'publickey', 'lti');
$mform->hideIf('lti_publickey', 'lti_keytype', 'neq', LTI_RSA_KEY);
$mform->hideIf('lti_publickey', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->setForceLtr('lti_publickey');
$mform->addElement('text', 'lti_publickeyset', get_string('publickeyset', 'lti'), ['size' => '64']);
$mform->setType('lti_publickeyset', PARAM_TEXT);
$mform->addHelpButton('lti_publickeyset', 'publickeyset', 'lti');
$mform->hideIf('lti_publickeyset', 'lti_keytype', 'neq', LTI_JWK_KEYSET);
$mform->hideIf('lti_publickeyset', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->setForceLtr('lti_publickeyset');
$mform->addElement('text', 'lti_initiatelogin', get_string('initiatelogin', 'lti'), array('size' => '64'));
$mform->setType('lti_initiatelogin', PARAM_URL);
$mform->addHelpButton('lti_initiatelogin', 'initiatelogin', 'lti');
$mform->hideIf('lti_initiatelogin', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->addElement('textarea', 'lti_redirectionuris', get_string('redirectionuris', 'lti'),
array('rows' => 3, 'cols' => 60));
$mform->setType('lti_redirectionuris', PARAM_TEXT);
$mform->addHelpButton('lti_redirectionuris', 'redirectionuris', 'lti');
$mform->hideIf('lti_redirectionuris', 'lti_ltiversion', 'neq', LTI_VERSION_1P3);
$mform->setForceLtr('lti_redirectionuris');
}
if ($istool) {
$mform->addElement('textarea', 'lti_parameters', get_string('parameter', 'lti'), array('rows' => 4, 'cols' => 60));
$mform->setType('lti_parameters', PARAM_TEXT);
$mform->addHelpButton('lti_parameters', 'parameter', 'lti');
$mform->disabledIf('lti_parameters', null);
$mform->setForceLtr('lti_parameters');
}
$mform->addElement('textarea', 'lti_customparameters', get_string('custom', 'lti'), array('rows' => 4, 'cols' => 60));
$mform->setType('lti_customparameters', PARAM_TEXT);
$mform->addHelpButton('lti_customparameters', 'custom', 'lti');
$mform->setForceLtr('lti_customparameters');
if (!empty($this->_customdata->isadmin)) {
$options = array(
LTI_COURSEVISIBLE_NO => get_string('show_in_course_no', 'lti'),
LTI_COURSEVISIBLE_PRECONFIGURED => get_string('show_in_course_preconfigured', 'lti'),
LTI_COURSEVISIBLE_ACTIVITYCHOOSER => get_string('show_in_course_activity_chooser', 'lti'),
);
if ($istool) {
// LTI2 tools can not be matched by URL, they have to be either in preconfigured tools or in activity chooser.
unset($options[LTI_COURSEVISIBLE_NO]);
$stringname = 'show_in_course_lti2';
} else {
$stringname = 'show_in_course_lti1';
}
$mform->addElement('select', 'lti_coursevisible', get_string($stringname, 'lti'), $options);
$mform->addHelpButton('lti_coursevisible', $stringname, 'lti');
$mform->setDefault('lti_coursevisible', '1');
} else {
$mform->addElement('hidden', 'lti_coursevisible', LTI_COURSEVISIBLE_PRECONFIGURED);
}
$mform->setType('lti_coursevisible', PARAM_INT);
$mform->addElement('hidden', 'typeid');
$mform->setType('typeid', PARAM_INT);
$launchoptions = array();
$launchoptions[LTI_LAUNCH_CONTAINER_EMBED] = get_string('embed', 'lti');
$launchoptions[LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS] = get_string('embed_no_blocks', 'lti');
$launchoptions[LTI_LAUNCH_CONTAINER_REPLACE_MOODLE_WINDOW] = get_string('existing_window', 'lti');
$launchoptions[LTI_LAUNCH_CONTAINER_WINDOW] = get_string('new_window', 'lti');
$mform->addElement('select', 'lti_launchcontainer', get_string('default_launch_container', 'lti'), $launchoptions);
$mform->setDefault('lti_launchcontainer', LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS);
$mform->addHelpButton('lti_launchcontainer', 'default_launch_container', 'lti');
$mform->setType('lti_launchcontainer', PARAM_INT);
$mform->addElement('advcheckbox', 'lti_contentitem', get_string('contentitem', 'lti'));
$mform->addHelpButton('lti_contentitem', 'contentitem', 'lti');
$mform->setAdvanced('lti_contentitem');
if ($istool) {
$mform->disabledIf('lti_contentitem', null);
}
$mform->addElement('text', 'lti_toolurl_ContentItemSelectionRequest',
get_string('toolurl_contentitemselectionrequest', 'lti'), array('size' => '64'));
$mform->setType('lti_toolurl_ContentItemSelectionRequest', PARAM_URL);
$mform->setAdvanced('lti_toolurl_ContentItemSelectionRequest');
$mform->addHelpButton('lti_toolurl_ContentItemSelectionRequest', 'toolurl_contentitemselectionrequest', 'lti');
$mform->disabledIf('lti_toolurl_ContentItemSelectionRequest', 'lti_contentitem', 'notchecked');
if ($istool) {
$mform->disabledIf('lti_toolurl__ContentItemSelectionRequest', null);
}
$mform->addElement('hidden', 'oldicon');
$mform->setType('oldicon', PARAM_URL);
$mform->addElement('text', 'lti_icon', get_string('icon_url', 'lti'), array('size' => '64'));
$mform->setType('lti_icon', PARAM_URL);
$mform->setAdvanced('lti_icon');
$mform->addHelpButton('lti_icon', 'icon_url', 'lti');
$mform->addElement('text', 'lti_secureicon', get_string('secure_icon_url', 'lti'), array('size' => '64'));
$mform->setType('lti_secureicon', PARAM_URL);
$mform->setAdvanced('lti_secureicon');
$mform->addHelpButton('lti_secureicon', 'secure_icon_url', 'lti');
if (!$istool) {
// Display the lti advantage services.
$this->get_lti_advantage_services($mform);
}
if (!$istool) {
// Add privacy preferences fieldset where users choose whether to send their data.
$mform->addElement('header', 'privacy', get_string('privacy', 'lti'));
$options = array();
$options[0] = get_string('never', 'lti');
$options[1] = get_string('always', 'lti');
$options[2] = get_string('delegate', 'lti');
$mform->addElement('select', 'lti_sendname', get_string('share_name_admin', 'lti'), $options);
$mform->setType('lti_sendname', PARAM_INT);
$mform->setDefault('lti_sendname', '2');
$mform->addHelpButton('lti_sendname', 'share_name_admin', 'lti');
$mform->addElement('select', 'lti_sendemailaddr', get_string('share_email_admin', 'lti'), $options);
$mform->setType('lti_sendemailaddr', PARAM_INT);
$mform->setDefault('lti_sendemailaddr', '2');
$mform->addHelpButton('lti_sendemailaddr', 'share_email_admin', 'lti');
// LTI Extensions.
// Add grading preferences fieldset where the tool is allowed to return grades.
$mform->addElement('select', 'lti_acceptgrades', get_string('accept_grades_admin', 'lti'), $options);
$mform->setType('lti_acceptgrades', PARAM_INT);
$mform->setDefault('lti_acceptgrades', '2');
$mform->addHelpButton('lti_acceptgrades', 'accept_grades_admin', 'lti');
$mform->addElement('checkbox', 'lti_forcessl', ' ', ' ' . get_string('force_ssl', 'lti'), $options);
$mform->setType('lti_forcessl', PARAM_BOOL);
if (!empty($CFG->mod_lti_forcessl)) {
$mform->setDefault('lti_forcessl', '1');
$mform->freeze('lti_forcessl');
} else {
$mform->setDefault('lti_forcessl', '0');
}
$mform->addHelpButton('lti_forcessl', 'force_ssl', 'lti');
if (!empty($this->_customdata->isadmin)) {
// Add setup parameters fieldset.
$mform->addElement('header', 'setupoptions', get_string('miscellaneous', 'lti'));
$options = array(
LTI_DEFAULT_ORGID_SITEID => get_string('siteid', 'lti'),
LTI_DEFAULT_ORGID_SITEHOST => get_string('sitehost', 'lti'),
);
$mform->addElement('select', 'lti_organizationid_default', get_string('organizationid_default', 'lti'), $options);
$mform->setType('lti_organizationid_default', PARAM_TEXT);
$mform->setDefault('lti_organizationid_default', LTI_DEFAULT_ORGID_SITEID);
$mform->addHelpButton('lti_organizationid_default', 'organizationid_default', 'lti');
$mform->addElement('text', 'lti_organizationid', get_string('organizationidguid', 'lti'));
$mform->setType('lti_organizationid', PARAM_TEXT);
$mform->addHelpButton('lti_organizationid', 'organizationidguid', 'lti');
$mform->addElement('text', 'lti_organizationurl', get_string('organizationurl', 'lti'));
$mform->setType('lti_organizationurl', PARAM_URL);
$mform->addHelpButton('lti_organizationurl', 'organizationurl', 'lti');
}
}
/* Suppress this for now - Chuck
* mform->addElement('text', 'lti_organizationdescr', get_string('organizationdescr', 'lti'))
* mform->setType('lti_organizationdescr', PARAM_TEXT)
* mform->addHelpButton('lti_organizationdescr', 'organizationdescr', 'lti')
*/
/*
// Add a hidden element to signal a tool fixing operation after a problematic backup - restore process
//$mform->addElement('hidden', 'lti_fix');
*/
$tab = optional_param('tab', '', PARAM_ALPHAEXT);
$mform->addElement('hidden', 'tab', $tab);
$mform->setType('tab', PARAM_ALPHAEXT);
$courseid = optional_param('course', 1, PARAM_INT);
$mform->addElement('hidden', 'course', $courseid);
$mform->setType('course', PARAM_INT);
// Add standard buttons, common to all modules.
$this->add_action_buttons();
}
/**
* Retrieves the data of the submitted form.
*
* @return stdClass
*/
public function get_data() {
$data = parent::get_data();
if ($data && !empty($this->_customdata->istool)) {
// Content item checkbox is disabled in tool settings, so this cannot be edited. Just unset it.
unset($data->lti_contentitem);
}
return $data;
}
/**
* Generates the lti advantage extra configuration adding it to the mform
*
* @param MoodleQuickForm $mform
*/
public function get_lti_advantage_services(&$mform) {
// For each service add the label and get the array of configuration.
$services = lti_get_services();
$mform->addElement('header', 'services', get_string('services', 'lti'));
foreach ($services as $service) {
/** @var \mod_lti\local\ltiservice\service_base $service */
$service->get_configuration_options($mform);
}
}
/**
* Validate the form data before we allow them to save the tool type.
*
* @param array $data
* @param array $files
* @return array Error messages
*/
public function validation($data, $files) {
global $CFG;
$errors = parent::validation($data, $files);
// LTI2 tools do not contain a ltiversion field.
if (isset($data['lti_ltiversion']) && $data['lti_ltiversion'] == LTI_VERSION_1P3) {
require_once($CFG->dirroot . '/mod/lti/upgradelib.php');
$warning = mod_lti_verify_private_key();
if (!empty($warning)) {
$errors['lti_ltiversion'] = $warning;
return $errors;
}
}
return $errors;
}
}