$auth_class = "Authentication" . ucfirst($cfg['Server']['auth_type']);
if (!file_exists('./libraries/plugins/auth/' . $auth_class . '.class.php')) {
PMA_fatalError(__('Invalid authentication method set in configuration:') . ' ' . $cfg['Server']['auth_type']);
}
if (isset($_REQUEST['pma_password'])) {
$_REQUEST['pma_password'] = substr($_REQUEST['pma_password'], 0, 256);
}
include_once './libraries/plugins/auth/' . $auth_class . '.class.php';
// todo: add plugin manager
$plugin_manager = null;
/** @var AuthenticationPlugin $auth_plugin */
$auth_plugin = new $auth_class($plugin_manager);
if (!$auth_plugin->authCheck()) {
/* Force generating of new session on login */
if ($token_provided) {
PMA_secureSession();
}
$auth_plugin->auth();
} else {
$auth_plugin->authSetUser();
}
// Check IP-based Allow/Deny rules as soon as possible to reject the
// user based on mod_access in Apache
if (isset($cfg['Server']['AllowDeny']) && isset($cfg['Server']['AllowDeny']['order'])) {
/**
* ip based access library
*/
include_once './libraries/ip_allow_deny.lib.php';
$allowDeny_forbidden = false;
// default
if ($cfg['Server']['AllowDeny']['order'] == 'allow,deny') {
/**
* Gets advanced authentication settings
*
* this function DOES NOT check authentication - it just checks/provides
* authentication credentials required to connect to the MySQL server
* usually with $GLOBALS['dbi']->connect()
*
* it returns false if something is missing - which usually leads to
* auth() which displays login form
*
* it returns true if all seems ok which usually leads to auth_set_user()
*
* it directly switches to authFails() if user inactivity timeout is reached
*
* @return boolean whether we get authentication settings or not
*/
public function authCheck()
{
global $conn_error;
// Initialization
/**
* @global $GLOBALS['pma_auth_server'] the user provided server to
* connect to
*/
$GLOBALS['pma_auth_server'] = '';
$GLOBALS['PHP_AUTH_USER'] = $GLOBALS['PHP_AUTH_PW'] = '';
$GLOBALS['from_cookie'] = false;
if (!empty($_REQUEST['pma_username'])) {
// Verify Captcha if it is required.
if (!empty($GLOBALS['cfg']['CaptchaLoginPrivateKey']) && !empty($GLOBALS['cfg']['CaptchaLoginPublicKey'])) {
if (!empty($_POST["g-recaptcha-response"])) {
include_once 'libraries/plugins/auth/recaptcha/autoload.php';
$reCaptcha = new ReCaptcha($GLOBALS['cfg']['CaptchaLoginPrivateKey']);
// verify captcha status.
$resp = $reCaptcha->verify($_POST["g-recaptcha-response"], $_SERVER["REMOTE_ADDR"]);
// Check if the captcha entered is valid, if not stop the login.
if ($resp == null || !$resp->isSuccess()) {
$conn_error = __('Entered captcha is wrong, try again!');
return false;
}
} else {
$conn_error = __('Please enter correct captcha!');
return false;
}
}
// The user just logged in
$GLOBALS['PHP_AUTH_USER'] = PMA_sanitizeMySQLUser($_REQUEST['pma_username']);
$GLOBALS['PHP_AUTH_PW'] = empty($_REQUEST['pma_password']) ? '' : $_REQUEST['pma_password'];
if ($GLOBALS['cfg']['AllowArbitraryServer'] && isset($_REQUEST['pma_servername'])) {
if ($GLOBALS['cfg']['ArbitraryServerRegexp']) {
$parts = explode(' ', $_REQUEST['pma_servername']);
if (count($parts) == 2) {
$tmp_host = $parts[0];
} else {
$tmp_host = $_REQUEST['pma_servername'];
}
$match = preg_match($GLOBALS['cfg']['ArbitraryServerRegexp'], $tmp_host);
if (!$match) {
$conn_error = __('You are not allowed to log in to this MySQL server!');
return false;
}
}
$GLOBALS['pma_auth_server'] = PMA_sanitizeMySQLHost($_REQUEST['pma_servername']);
}
PMA_secureSession();
return true;
}
// At the end, try to set the $GLOBALS['PHP_AUTH_USER']
// and $GLOBALS['PHP_AUTH_PW'] variables from cookies
// check cookies
if (empty($_COOKIE['pmaUser-' . $GLOBALS['server']])) {
return false;
}
$GLOBALS['PHP_AUTH_USER'] = $this->cookieDecrypt($_COOKIE['pmaUser-' . $GLOBALS['server']], $this->_getEncryptionSecret());
// user was never logged in since session start
if (empty($_SESSION['last_access_time'])) {
return false;
}
// User inactive too long
$last_access_time = time() - $GLOBALS['cfg']['LoginCookieValidity'];
if ($_SESSION['last_access_time'] < $last_access_time) {
Util::cacheUnset('is_create_db_priv');
Util::cacheUnset('is_reload_priv');
Util::cacheUnset('db_to_create');
Util::cacheUnset('dbs_where_create_table_allowed');
Util::cacheUnset('dbs_to_test');
Util::cacheUnset('db_priv');
Util::cacheUnset('col_priv');
Util::cacheUnset('table_priv');
Util::cacheUnset('proc_priv');
$GLOBALS['no_activity'] = true;
$this->authFails();
if (!defined('TESTSUITE')) {
exit;
} else {
return false;
}
}
// check password cookie
if (empty($_COOKIE['pmaAuth-' . $GLOBALS['server']])) {
return false;
}
$auth_data = json_decode($this->cookieDecrypt($_COOKIE['pmaAuth-' . $GLOBALS['server']], $this->_getSessionEncryptionSecret()), true);
if (!is_array($auth_data) || !isset($auth_data['password'])) {
return false;
}
$GLOBALS['PHP_AUTH_PW'] = $auth_data['password'];
if ($GLOBALS['cfg']['AllowArbitraryServer'] && !empty($auth_data['server'])) {
$GLOBALS['pma_auth_server'] = $auth_data['server'];
}
$GLOBALS['from_cookie'] = true;
return true;
}
