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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Special settings for auth_shibboleth WAYF.
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*
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* @package auth_shibboleth
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* @copyright 2017 Stephen Bourget
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Special settings for auth_shibboleth WAYF.
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*
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* @package auth_shibboleth
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* @copyright 2017 Stephen Bourget
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class auth_shibboleth_admin_setting_special_wayf_select extends admin_setting_configselect {
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/**
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* Calls parent::__construct with specific arguments.
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*/
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public function __construct() {
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$yesno = array();
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$yesno['off'] = new lang_string('no');
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$yesno['on'] = new lang_string('yes');
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parent::__construct('auth_shibboleth/alt_login',
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new lang_string('auth_shib_integrated_wayf', 'auth_shibboleth'),
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new lang_string('auth_shib_integrated_wayf_description', 'auth_shibboleth'),
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'off',
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$yesno);
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}
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/**
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* We need to overwrite the global "alternate login url" setting if wayf is enabled.
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*
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* @param string $data Form data.
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* @return string Empty when no errors.
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*/
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public function write_setting($data) {
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global $CFG;
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// Overwrite alternative login URL if integrated WAYF is used.
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if (isset($data) && $data == 'on') {
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set_config('alt_login', $data, 'auth_shibboleth');
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set_config('alternateloginurl', $CFG->wwwroot.'/auth/shibboleth/login.php');
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} else {
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// Check if integrated WAYF was enabled and is now turned off.
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// If it was and only then, reset the Moodle alternate URL.
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$oldsetting = get_config('auth_shibboleth', 'alt_login');
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if (isset($oldsetting) and $oldsetting == 'on') {
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set_config('alt_login', 'off', 'auth_shibboleth');
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set_config('alternateloginurl', '');
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}
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$data = 'off';
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}
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return parent::write_setting($data);
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}
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}
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