public function lsow_admin_ajax()
{
// check the nonce
$this->lsow_check_nonce();
// retrieve data
$this->ajax_data = isset($_POST) ? $_POST : $_GET;
// retrieve function
$func = $this->ajax_data['func'];
switch ($func) {
case 'lsow_save_settings':
$response = $this->save_settings_callback();
break;
case 'lsow_reset_settings':
$response = $this->save_settings_callback();
break;
default:
$response = ajax_response(false, __('Sorry, an unknown error occurred...', 'livemesh-so-widgets'), null);
break;
}
// send json response and die
wp_send_json($response);
}
function invalidate_sessions($params)
{
global $dbc;
// Force any sessions off that have been around for 2 hours
// or haven't pinged for 4 mins (gives them a couple chances to
// ping late)
$q = 'SELECT id, url, port FROM servers WHERE occupied=1 AND ' . '(DATE_ADD(acquire_time, INTERVAL 2 HOUR) < NOW() OR ' . 'DATE_ADD(last_used, INTERVAL 4 MINUTE) < NOW())';
$r = mysqli_query($dbc, $q);
$rows = array();
$ids = array();
while ($row = mysqli_fetch_assoc($r)) {
$rows[] = $row;
$ids[] = (int) $row['id'];
}
$q = 'UPDATE servers SET occupied=0 WHERE id IN (' . implode(',', $ids) . ')';
$r = mysqli_query($dbc, $q);
// TODO: tell server to reset its data for users.
// TODO:
// Shut down the instance if no servers have been accessed in 4 hours.
$q = 'SELECT id FROM servers WHERE DATE_ADD(last_used, INTERVAL 4 HOUR) < NOW()';
// Ping servers and remove from the list if they're not up.
$servers = $this->get_servers_list();
$ids = array();
foreach ($servers as $server) {
$ch = curl_init($server['url'] . ':' . $server['port'] . '/crossdomain.xml');
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($code != 200) {
$ids[] = $server['id'];
}
}
if (count($ids) > 0) {
$q = '';
if (count($ids) == count($servers)) {
$q = 'TRUNCATE servers';
} else {
$q = 'DELETE FROM servers WHERE id IN (' . implode(',', $ids) . ')';
}
$r = mysqli_query($dbc, $q);
}
// clean up old sessions
clean_session(60 * 60 * 3);
return ajax_response('Okay');
}
$a = $_GET['a'];
switch ($a) {
case 1:
uploadDir($oss, $bucket);
break;
case 2:
fenduan($oss, $object, $bucket, $upload_file);
break;
case 3:
get_obj_list($oss, $bucket, $options);
break;
case 4:
create_obj($oss, $bucket);
break;
case 5:
ajax_upload($oss, $bucket);
break;
case 6:
ajax_response();
break;
}
function ajax_upload($oss, $bucket)
{
$object = $_FILES['file']['name'];
$upload_file = $_FILES['file']['tmp_name'];
echo fenduan($oss, $object, $bucket, $upload_file);
}
function ajax_response()
{
print_r($_SESSION);
}
/**
* Called via ajax. Handler for the submit in the session settings form
*/
function action_save_module_settings()
{
if (isset($_POST['user_standard_module_hours'])) {
// Set or reset standard module hours for the user?
if (!ctype_digit($_POST['user_standard_module_hours']) || $_POST['user_standard_module_hours'] == 0) {
save_standard_module_hours(LOADED_COURSE_ID, null);
} else {
save_standard_module_hours(LOADED_COURSE_ID, $_POST['user_standard_module_hours']);
}
}
// Iterate supplied modules. Only those changed client side is submitted
foreach ($_POST as $key => $value) {
if (preg_match('/^module-(\\d+)$/', $key, $m)) {
$module_id = $m[1];
// Check that we got a valid module id
if (!get_module_by_id($module_id)) {
ajax_response(true, 'Invalid module id');
}
// Reset to standard
if (!ctype_digit($value) || $value == null) {
save_module_hours($module_id, null);
} else {
save_module_hours($module_id, $value);
}
}
}
ajax_response();
}
