Proyectos de Subversion Moodle

<?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/>.

/**

 * OAuth 2 Linked login configuration page.

 *

 * @package    auth_oauth2

 * @copyright  2017 Damyon Wiese <damyon@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require_once(__DIR__ . '/../../config.php');

require_once($CFG->libdir.'/adminlib.php');

require_once($CFG->libdir.'/tablelib.php');

$PAGE->set_url('/auth/oauth2/linkedlogins.php');

$PAGE->set_context(context_user::instance($USER->id));

$PAGE->set_pagelayout('admin');

$strheading = get_string('linkedlogins', 'auth_oauth2');

$PAGE->set_title($strheading);

$PAGE->set_heading($strheading);

require_login();

if (!\auth_oauth2\api::is_enabled()) {

    throw new \moodle_exception('notenabled', 'auth_oauth2');

}

$action = optional_param('action', '', PARAM_ALPHAEXT);

if ($action == 'new') {

    require_sesskey();

    $issuerid = required_param('issuerid', PARAM_INT);

    $issuer = \core\oauth2\api::get_issuer($issuerid);

    if (!$issuer->is_available_for_login()) {

        throw new \moodle_exception('issuernologin', 'auth_oauth2');

    }

    // We do a login dance with this issuer.

    $addparams = ['action' => 'new', 'issuerid' => $issuerid, 'sesskey' => sesskey()];

    $addurl = new moodle_url('/auth/oauth2/linkedlogins.php', $addparams);

    $client = \core\oauth2\api::get_user_oauth_client($issuer, $addurl);

    if (optional_param('logout', false, PARAM_BOOL)) {

        $client->log_out();

    }

    if (!$client->is_logged_in()) {

        redirect($client->get_login_url());

    }

    $userinfo = $client->get_userinfo();

    if (!empty($userinfo)) {

        try {

            \auth_oauth2\api::link_login($userinfo, $issuer);

            redirect($PAGE->url, get_string('changessaved'), null, \core\output\notification::NOTIFY_SUCCESS);

        } catch (Exception $e) {

            redirect($PAGE->url, $e->getMessage(), null, \core\output\notification::NOTIFY_ERROR);

        }

    } else {

        redirect($PAGE->url, get_string('notloggedin', 'auth_oauth2'), null, \core\output\notification::NOTIFY_ERROR);

    }

} else if ($action == 'delete') {

    require_sesskey();

    $linkedloginid = required_param('linkedloginid', PARAM_INT);

    auth_oauth2\api::delete_linked_login($linkedloginid);

    redirect($PAGE->url, get_string('changessaved'), null, \core\output\notification::NOTIFY_SUCCESS);

}

$renderer = $PAGE->get_renderer('auth_oauth2');

$linkedloginid = optional_param('id', '', PARAM_RAW);

$linkedlogin = null;

auth_oauth2\api::clean_orphaned_linked_logins();

$issuers = \core\oauth2\api::get_all_issuers(true);

$anyshowinloginpage = false;

$issuerbuttons = array();

foreach ($issuers as $issuer) {

    if (!$issuer->is_available_for_login()) {

        continue;

    }

    $anyshowinloginpage = true;

    $addparams = ['action' => 'new', 'issuerid' => $issuer->get('id'), 'sesskey' => sesskey(), 'logout' => true];

    $addurl = new moodle_url('/auth/oauth2/linkedlogins.php', $addparams);

    $issuerbuttons[$issuer->get('id')] = $renderer->single_button($addurl, get_string('createnewlinkedlogin', 'auth_oauth2',

        s($issuer->get_display_name())));

}

if (!$anyshowinloginpage) {

    // Just a notification that we can't make it.

    $preferencesurl = new moodle_url('/user/preferences.php');

    redirect($preferencesurl, get_string('noissuersavailable', 'auth_oauth2'), null, \core\output\notification::NOTIFY_WARNING);

}

echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('linkedlogins', 'auth_oauth2'));

echo $OUTPUT->doc_link('Linked_Logins', get_string('linkedloginshelp', 'auth_oauth2'));

$linkedlogins = auth_oauth2\api::get_linked_logins();

echo $renderer->linked_logins_table($linkedlogins);

foreach ($issuerbuttons as $issuerbutton) {

    echo $issuerbutton;

}

echo $OUTPUT->footer();