/**
* Destroy current session
*/
public static function delCurrent()
{
// Delete the global object
if ($session = LigminchaGlobalSession::getCurrent()) {
lgDebug('Session destroyed', $session);
LigminchaGlobalDistributed::del(array('id' => $session->id));
}
// Delete the SSO cookie
LigminchaGlobalSSO::delCookie();
}
/**
* Called after the page has rendered but before it's been sent to the client
*/
public function onAfterRender()
{
LigminchaGlobalSSO::appendTokenRequest();
LigminchaGlobalSSO::toolbar();
LigminchaGlobalDistributed::sendQueue();
}
/**
* Send all queued sync-objects
*/
public static function sendQueue()
{
// Get all LG_SYNC items, bail if none
if (!($queue = LigminchaGlobalSync::select())) {
return false;
}
// Make data streams for each target from the sync objects
$streams = array();
$server = LigminchaGlobalServer::getCurrent()->id;
$session = LigminchaGlobalSession::getCurrent() ? LigminchaGlobalSession::getCurrent()->id : 0;
foreach ($queue as $sync) {
$target = LigminchaGlobalServer::newFromId($sync->ref1)->id;
if (array_key_exists($target, $streams)) {
$streams[$target][] = $sync;
} else {
$streams[$target] = array(0, $server, $session, $sync);
}
}
//print '<pre>'; print_r($streams); print '</pre>';
// Encode and send each stream
foreach ($streams as $target => $stream) {
// Get the target domain from it's tag
$url = LigminchaGlobalServer::newFromId($target)->tag;
// Zip up the data in JSON format
// TODO: encrypt using shared secret or public key
$data = self::encodeData($stream);
// If we're standalone or the master, ensure no data is routed to the master, mark it as successful so the sync objects are cleared
if (LigminchaGlobalServer::getCurrent()->isMaster && $url == LigminchaGlobalServer::masterDomain()) {
$result = LG_SUCCESS;
} else {
$result = self::post($url, array(self::$cmd => $data));
}
// If result is success, remove all sync objects destined for this target server
if ($result == LG_SUCCESS) {
LigminchaGlobalDistributed::del(array('type' => LG_SYNC, 'ref1' => $target), false, true);
} else {
die(lgDebug("Failed to post outgoing sync data to {$url} result({$result})"));
}
}
return true;
}
/**
* Make a current session and current user from an SSO session ID cookie (called when running on a master standalone site)
*/
public static function makeSessionFromCookie()
{
if (array_key_exists(self::$cookie, $_COOKIE)) {
if ($session = LigminchaGlobalSession::selectOne(array('id' => $_COOKIE[self::$cookie]))) {
if ($user = LigminchaGlobalUser::newFromId($session->owner)) {
LigminchaGlobalSession::setCurrent($session);
LigminchaGlobalUser::setCurrent($user);
lgDebug('Session established from existing SSO cookie', $session);
} else {
lgDebug('SSO session cookie found, but user is no longer logged in (' . substr($_COOKIE[self::$cookie], 0, 5) . ')');
}
} else {
lgDebug('SSO session cookie found, but not in database (' . substr($_COOKIE[self::$cookie], 0, 5) . ')');
}
if (!$session || !$user) {
if ($session) {
LigminchaGlobalDistributed::del(array('id' => $session->id));
}
self::delCookie();
}
} else {
lgDebug('No SSO session cookie found ' . var_export($_COOKIE, true));
}
}
/**
* Convert a DB row assoc array into a LigminchaGlobalObject or sub-class
*/
public static function newFromFields($fields)
{
$class = 'LigminchaGlobalObject';
if (array_key_exists($fields['type'], self::$classes)) {
$c = 'LigminchaGlobal' . self::$classes[$fields['type']];
if (class_exists($c)) {
$class = $c;
}
}
$obj = new $class();
foreach ($fields as $field => $val) {
$obj->{$field} = LigminchaGlobalDistributed::objField($field, $val);
}
$obj->data = LigminchaGlobalDistributed::decodeDataField($obj->data);
return $obj;
}