public function test_is_remote_site_valid()
{
$hub = new local_hub();
// TODO: move to: https://github.com/moodlehq/moodle-exttests
$invalidsites = array('http://localhost', 'http://127.0.0.1', 'https://download.moodle.org/does-not-exist');
foreach ($invalidsites as $site) {
$this->assertFalse($hub->is_remote_site_valid($site), "{$site} reported valid");
}
$validsites = array('http://download.moodle.org', 'http://learn.moodle.net', 'https://learn.gold.ac.uk', 'http://devmooc.net/', 'http://englishwat.com/qvilearn/');
foreach ($validsites as $site) {
$this->assertTrue($hub->is_remote_site_valid($site), "{$site} reported invalid");
}
}
} else {
$tokenerror = true;
}
} else {
$tokenerror = true;
}
if (!empty($tokenerror)) {
throw new moodle_exception(get_string('freshtokenerror', 'local_hub'));
}
echo $OUTPUT->header();
echo $htmlcontent;
echo $OUTPUT->footer();
exit;
}
// Check if the remote site is available.
if (!$hub->is_remote_site_valid($url)) {
$port = parse_url($url, PHP_URL_PORT);
if (!empty($port) && $port != 80 && $port != 443) {
throw new moodle_exception('cannotregisterbadport', 'local_hub', $url, $url);
}
throw new moodle_exception('cannotregisternotavailablesite', 'local_hub', $url, $url);
}
//check if the registration password is correct
$hubpassword = get_config('local_hub', 'password');
if (!empty($hubpassword) and $hubpassword != $password) {
throw new moodle_exception('wronghubpassword', 'local_hub', $url . '/admin/registration/hubselector.php');
}
//check if the site url is already registered
$sitewithsameurl = $hub->get_site_by_url($url);
if (!empty($sitewithsameurl)) {
$urlexists = true;
// 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/>.
/**
* Administrator can see if server can
* @package local_hub
* @copyright 2014 Dan Poltawski <*****@*****.**>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require __DIR__ . '/../../../config.php';
require_once $CFG->libdir . '/adminlib.php';
require_once $CFG->dirroot . '/local/hub/lib.php';
require_once $CFG->dirroot . "/local/hub/admin/forms.php";
admin_externalpage_setup('checksiteconnectivity');
$hub = new local_hub();
$mform = new local_hub_siteconnectivity_form();
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('checksiteconnectivity', 'local_hub'));
if ($data = $mform->get_data()) {
if ($hub->is_remote_site_valid($data->url)) {
echo $OUTPUT->notification(get_string('urlaccessible', 'local_hub', $data->url), 'notifysuccess');
} else {
echo $OUTPUT->notification(get_string('urlnotaccessible', 'local_hub', $data->url), 'notifyproblem');
}
}
$mform->display();
echo $OUTPUT->footer();
/**
* Update site registration
* two security check:
* 1- if the url changed, unactivate the site and alert the administrator
* 2- call the site by web service and confirm it, if confirmation fail, the update is declare failed
* @return boolean 1 if updated was successfull
*/
public static function update_site_info($siteinfo)
{
// Ensure the current user is allowed to run this function
$context = context_system::instance();
self::validate_context($context);
require_capability('local/hub:updateinfo', $context);
$params = self::validate_parameters(self::update_site_info_parameters(), array('siteinfo' => $siteinfo));
//check that the hub can access the site
$hubmanager = new local_hub();
if (!$hubmanager->is_remote_site_valid($params['siteinfo']['url'])) {
throw new moodle_exception('cannotregisternotavailablesite', 'local_hub', $params['siteinfo']['url'], $params['siteinfo']['url']);
}
//add ip information
$params['siteinfo']['ip'] = getremoteaddr();
//retieve site url
$token = optional_param('wstoken', '', PARAM_ALPHANUM);
$siteurl = $hubmanager->get_communication(WSSERVER, REGISTEREDSITE, null, $token)->remoteurl;
//this following error should never happen
//(communication record doesn't exist and webservice token exists)
if (empty($siteurl)) {
throw new moodle_exception('noexistingcommunication', 'local_hub');
}
$result = $hubmanager->register_site($params['siteinfo'], $siteurl);
return 1;
}
