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login.php
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login.php
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<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2013 Ampache.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
define('NO_SESSION', '1');
require_once 'lib/init.php';
/* We have to create a cookie here because IIS
* can't handle Cookie + Redirect
*/
Session::create_cookie();
Preference::init();
/**
* If Access Control is turned on then we don't
* even want them to be able to get to the login
* page if they aren't in the ACL
*/
if (Config::get('access_control')) {
if (!Access::check_network('interface', '', '5')) {
debug_event('UI::access_denied', 'Access Denied:' . $_SERVER['REMOTE_ADDR'] . ' is not in the Interface Access list', '3');
UI::access_denied();
exit();
}
} // access_control is enabled
/* Clean Auth values */
unset($auth);
/* Check for posted username and password, or appropriate environment
variable if using HTTP auth */
if (($_POST['username'] && $_POST['password']) ||
(in_array('http', Config::get('auth_methods')) &&
($_SERVER['REMOTE_USER'] || $_SERVER['HTTP_REMOTE_USER']))) {
if ($_POST['rememberme']) {
Session::create_remember_cookie();
}
/* If we are in demo mode let's force auth success */
if (Config::get('demo_mode')) {
$auth['success'] = true;
$auth['info']['username'] = 'Admin - DEMO';
$auth['info']['fullname'] = 'Administrative User';
$auth['info']['offset_limit'] = 25;
}
else {
if ($_POST['username'] && $_POST['password']) {
$username = scrub_in($_POST['username']);
$password = $_POST['password'];
}
else {
if ($_SERVER['REMOTE_USER']) {
$username = $_SERVER['REMOTE_USER'];
}
elseif ($_SERVER['HTTP_REMOTE_USER']) {
$username = $_SERVER['HTTP_REMOTE_USER'];
}
$password = '';
}
$auth = Auth::login($username, $password);
if ($auth['success']) {
$username = $auth['username'];
}
else {
debug_event('Login', scrub_out($username) . ' attempted to login and failed', '1');
Error::add('general', T_('Error Username or Password incorrect, please try again'));
}
$user = User::get_from_username($username);
if ($user->disabled) {
$auth['success'] = false;
Error::add('general', T_('User Disabled please contact Admin'));
debug_event('Login', scrub_out($username) . ' is disabled and attempted to login', '1');
} // if user disabled
elseif (Config::get('prevent_multiple_logins')) {
$session_ip = $user->is_logged_in();
$current_ip = inet_pton($_SERVER['REMOTE_ADDR']);
if ($current_ip && ($current_ip != $session_ip)) {
$auth['success'] = false;
Error::add('general', T_('User Already Logged in'));
debug_event('Login', scrub_out($username) . ' is already logged in from ' . $session_ip . ' and attempted to login from ' . $current_ip, '1');
} // if logged in multiple times
} // if prevent multiple logins
elseif (Config::get('auto_create') && $auth['success'] &&
! $user->username) {
/* This is run if we want to autocreate users who don't
exist (useful for non-mysql auth) */
$access = Config::get('auto_user')
? User::access_name_to_level(Config::get('auto_user'))
: '5';
$name = $auth['name'];
$email = $auth['email'];
/* Attempt to create the user */
if (User::create($username, $name, $email,
hash('sha256', mt_rand()), $access)) {
$user = User::get_from_username($username);
}
else {
$auth['success'] = false;
Error::add('general', T_('Unable to create local account'));
}
} // End if auto_create
// This allows stealing passwords validated by external means
// such as LDAP
if (Config::get('auth_password_save') && $auth['success'] && $password) {
$user->update_password($password);
}
} // if we aren't in demo mode
} // if they passed a username/password
/* If the authentication was a success */
if ($auth['success']) {
// $auth->info are the fields specified in the config file
// to retrieve for each user
Session::create($auth);
// Not sure if it was me or php tripping out,
// but naming this 'user' didn't work at all
$_SESSION['userdata'] = $auth;
// Record the IP of this person!
if (Config::get('track_user_ip')) {
$user->insert_ip_history();
}
/* Make sure they are actually trying to get to this site and don't try
* to redirect them back into an admin section
*/
$web_path = Config::get('web_path');
if ((substr($_POST['referrer'], 0, strlen($web_path)) == $web_path) &&
strpos($_POST['referrer'], 'install.php') === false &&
strpos($_POST['referrer'], 'login.php') === false &&
strpos($_POST['referrer'], 'logout.php') === false &&
strpos($_POST['referrer'], 'update.php') === false &&
strpos($_POST['referrer'], 'activate.php') === false &&
strpos($_POST['referrer'], 'admin') === false ) {
header('Location: ' . $_POST['referrer']);
exit();
} // if we've got a referrer
header('Location: ' . Config::get('web_path') . '/index.php');
exit();
} // auth success
require Config::get('prefix') . '/templates/show_login_form.inc.php';
?>