/**
* Try to login a user using a username and a cleartext password.
*
* @param string $username The username.
* @param string $password The password in cleartext.
* @return number The user ID of the user or -1 on failure.
*/
public static function login($username, $password)
{
if (!isset($username) || !isset($password)) {
return -1;
}
$ssh = new Net_SSH2(CLUSTER_HOST);
if ($ssh->login($username, $password)) {
// the user credentials are valid!
// make sure this user is also allowed to access chris by checking the user table and grabbing the user id
$userMapper = new Mapper('User');
$userMapper->filter('username=(?)', $username);
$userResults = $userMapper->get();
// if user exist, return its id
if (isset($userResults['User'][0])) {
// setup directory if needed
UserC::setupDir($username, $ssh);
// valid user
return $userResults['User'][0]->id;
} else {
$uid = $ssh->exec('id -u ' . $username);
$report = "=========================================" . PHP_EOL;
$report .= date('Y-m-d h:i:s') . ' ---> New user logging in...' . PHP_EOL;
$report .= $username . PHP_EOL;
$report .= $uid . PHP_EOL;
// log logging information
$logFile = joinPaths(CHRIS_LOG, 'new_user.log');
$fh = fopen($logFile, 'a') or die("can't open file");
fwrite($fh, $report);
fclose($fh);
// returns 0 since the user table doesnt have auto increment
UserC::create($uid, $username);
// setup directory if needed
UserC::setupDir($username, $ssh);
return $uid;
}
}
// invalid credentials
return -1;
}
