/**
* Start a session if required username/password exist in the system
*
* @param Context $Context
* @param Authenticator $Authenticator
* @param int $UserID
*/
function Start(&$Context, $Authenticator, $UserID = '0')
{
$this->StartSession($Context);
// If the UserID is not explicitly defined (ie. by some vanilla-based login module),
// retrieve the authenticated UserID from the Authenticator module.
$this->UserID = ForceInt($UserID, 0);
if ($this->UserID == 0) {
$this->UserID = $Authenticator->GetIdentity();
}
// Now retrieve user information
if ($this->UserID > 0) {
$UserManager = $Context->ObjectFactory->NewContextObject($Context, 'UserManager');
$this->User = $UserManager->GetSessionDataById($this->UserID);
// If the session data retrieval failed for some reason, dump the user
if (!$this->User) {
$this->User = $Context->ObjectFactory->NewContextObject($Context, 'User');
$this->User->Clear();
$this->UserID = 0;
}
} else {
$this->User = $Context->ObjectFactory->NewContextObject($Context, 'User');
$this->User->Clear();
}
}
