function login($email, $password)
{
global $sid, $master_key, $rsa_priv_key;
$password_aes = prepare_key(str_to_a32($password));
$uh = stringhash(strtolower($email), $password_aes);
$res = api_req(array('a' => 'us', 'user' => $email, 'uh' => $uh));
$enc_master_key = base64_to_a32($res->k);
$master_key = decrypt_key($enc_master_key, $password_aes);
if (!empty($res->csid)) {
$enc_rsa_priv_key = base64_to_a32($res->privk);
$rsa_priv_key = decrypt_key($enc_rsa_priv_key, $master_key);
$privk = a32_to_str($rsa_priv_key);
$rsa_priv_key = array(0, 0, 0, 0);
for ($i = 0; $i < 4; $i++) {
$l = (ord($privk[0]) * 256 + ord($privk[1]) + 7) / 8 + 2;
$rsa_priv_key[$i] = mpi2bc(substr($privk, 0, $l));
$privk = substr($privk, $l);
}
$enc_sid = mpi2bc(base64urldecode($res->csid));
$sid = rsa_decrypt($enc_sid, $rsa_priv_key[0], $rsa_priv_key[1], $rsa_priv_key[2]);
$sid = base64urlencode(substr(strrev($sid), 0, 43));
}
}
function Login($user, $pass)
{
global $T8;
if (!extension_loaded('bcmath')) {
html_error('This plugin needs BCMath extension for login.');
}
$password_aes = prepare_key(str_to_a32($pass));
$T8['user_handle'] = stringhash($user, $password_aes);
$res = apiReq(array('a' => 'us', 'user' => $user, 'uh' => $T8['user_handle']));
if (is_numeric($res[0])) {
check_errors($res[0], 'Cannot login');
}
$T8['master_key'] = decrypt_key(base64_to_a32($res[0]['k']), $password_aes);
$privk = a32_to_str(decrypt_key(base64_to_a32($res[0]['privk']), $T8['master_key']));
$rsa_priv_key = array(0, 0, 0, 0);
for ($i = 0; $i < 4; $i++) {
$l = (ord($privk[0]) * 256 + ord($privk[1]) + 7) / 8 + 2;
$rsa_priv_key[$i] = mpi2bc(substr($privk, 0, $l));
$privk = substr($privk, $l);
}
$T8['sid'] = rsa_decrypt(mpi2bc(base64url_decode($res[0]['csid'])), $rsa_priv_key[0], $rsa_priv_key[1], $rsa_priv_key[2]);
$T8['sid'] = base64url_encode(substr(strrev($T8['sid']), 0, 43));
getRootNode();
t8ArrToCookieArr($rsa_priv_key);
SaveCookies($user, $pass);
// Update cookies file.
$cookie = '';
}