/**
* This abstract function performs the processing of the user request.
* @param User $user The requesting user. If the user is not null, then by convention
* actions will assume the user is authenticated, otherwise not.
* @throws Exception If an error was encountered while processing this request, an exception
* will be thrown.
* @return void
*/
public function processRequest(User $user = NULL)
{
$returnUrl = UrlFormatter::formatRoutingItemUrl('actions/LoginAction');
$imageSearchViewUrl = UrlFormatter::formatRoutingItemUrl('views/ImageSearchView');
// if the user is already logged in redirect to the image search view
if ($user != NULL) {
header("Location: {$imageSearchViewUrl}");
return;
} else {
if (!isset($_POST[self::POST_PARAM_USERNAME]) || !isset($_POST[self::POST_PARAM_USERNAME])) {
$loginView = new LoginView();
$loginView->processRequest();
exit;
}
$username = $_POST[self::POST_PARAM_USERNAME];
$password = $_POST[self::POST_PARAM_PASSWORD];
$user = User::loadUserByUsername(DbConnectionUtil::getDbConnection(), $username);
if ($user == NULL || $user->getPassword() != md5($password)) {
$loginView = new LoginView();
$loginView->setPreviousAttemptErrorMessage("Login Failed");
$loginView->processRequest();
exit;
} else {
UserAuthUtil::registerAuthenticatedUser($user);
header("Location: {$imageSearchViewUrl}");
return;
}
}
}
