MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
+
+class SessionManager
+{
+ function sessionStart($name, $limit = 0, $path = '/', $domain = null, $secure = null)
+ {
+ // Set the cookie name
+ session_name($name);
+
+ // Set SSL level
+ $https = isset($secure) ? $secure : (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
+
+ // Set session cookie options
+ if (version_compare(PHP_VERSION, '5.2', '<')) // avoid failure on older php versions
+ session_set_cookie_params($limit, $path, $domain, $https);
+ else
+ session_set_cookie_params($limit, $path, $domain, $https, true);
+
+ session_start();
+
+ // Make sure the session hasn't expired, and destroy it if it has
+ if ($this->validateSession())
+ {
+ // Check to see if the session is new or a hijacking attempt
+ if(!$this->preventHijacking())
+ {
+ // Reset session data and regenerate id
+ $_SESSION = array();
+ $_SESSION['IPaddress'] = $_SERVER['REMOTE_ADDR'];
+ $_SESSION['userAgent'] = @$_SERVER['HTTP_USER_AGENT'];
+ $this->regenerateSession();
+
+ // Give a 5% chance of the session id changing on any request
+ }
+ elseif (rand(1, 100) <= 5)
+ {
+ $this->regenerateSession();
+ }
+ }
+ else
+ {
+ $_SESSION = array();
+ session_destroy();
+ session_start();
+ }
+ }
+
+ function preventHijacking()
+ {
+ if (!isset($_SESSION['IPaddress']) || !isset($_SESSION['userAgent']))
+ return false;
+
+ if ($_SESSION['IPaddress'] != $_SERVER['REMOTE_ADDR'])
+ return false;
+
+ if ( $_SESSION['userAgent'] != @$_SERVER['HTTP_USER_AGENT'])
+ return false;
+
+ return true;
+ }
+
+ function regenerateSession()
+ {
+ // If this session is obsolete it means there already is a new id
+ if (isset($_SESSION['OBSOLETE']) && ($_SESSION['OBSOLETE'] == true))
+ return;
+
+ // Set current session to expire in 10 seconds
+ $_SESSION['OBSOLETE'] = true;
+ $_SESSION['EXPIRES'] = time() + 10;
+
+ // Create new session without destroying the old one
+ session_regenerate_id();
+ // Grab current session ID and close both sessions to allow other scripts to use them
+ $newSession = session_id();
+ session_write_close();
+ // Set session ID to the new one, and start it back up again
+
+ session_id($newSession);
+ session_start();
+
+ // Now we unset the obsolete and expiration values for the session we want to keep
+ unset($_SESSION['OBSOLETE']);
+ unset($_SESSION['EXPIRES']);
+ }
+
+ function validateSession()
+ {
+ if (isset($_SESSION['OBSOLETE']) && !isset($_SESSION['EXPIRES']) )
+ return false;
+
+ if (isset($_SESSION['EXPIRES']) && $_SESSION['EXPIRES'] < time())
+ return false;
+
+ return true;
+ }
+}
+
function output_html($text)
{
global $before_box, $Ajax, $messages;
die();
}
+function password_reset_fail()
+{
+ global $path_to_root;
+
+ echo "<center><br><br><font size='5' color='red'><b>" . _("Incorrect Email") . "<b></font><br><br>";
+ echo "<b>" . _("The email address does not exist in the system, or is used by more than one user.") . "<b><br><br>";
+
+ echo _("Plase try again or contact your system administrator to obtain new password.");
+ echo "<br><a href='$path_to_root/index.php?reset=1'>" . _("Try again") . "</a>";
+ echo "</center>";
+
+ kill_login();
+ die();
+}
+
+function password_reset_success()
+{
+ global $path_to_root;
+
+ echo "<center><br><br><font size='5' color='green'><b>" . _("New password sent") . "<b></font><br><br>";
+ echo "<b>" . _("A new password has been sent to your mailbox.") . "<b><br><br>";
+
+ echo "<br><a href='$path_to_root/index.php'>" . _("Login here") . "</a>";
+ echo "</center>";
+
+ kill_login();
+ die();
+}
+
+function check_faillog()
+{
+ global $SysPrefs, $login_faillog;
+
+ $user = $_SESSION["wa_current_user"]->user;
+
+ if (@$SysPrefs->login_delay && (@$login_faillog[$user][$_SERVER['REMOTE_ADDR']] >= @$SysPrefs->login_max_attempts) && (time() < $login_faillog[$user]['last'] + $SysPrefs->login_delay))
+ return true;
+
+ return false;
+}
+
+/*
+ Ensure file is re-read on next request if php caching is active
+*/
+function cache_invalidate($filename)
+{
+ if (function_exists('opcache_invalidate')) // OpCode extension
+ opcache_invalidate($filename);
+}
+
+/*
+ Simple brute force attack detection is performed before connection to company database is open. Therefore access counters have to be stored in file.
+ Login attempts counter is created for every new user IP, which partialy prevent DOS attacks.
+*/
+function write_login_filelog($login, $result)
+{
+ global $login_faillog, $SysPrefs, $path_to_root;
+
+ $user = $_SESSION["wa_current_user"]->user;
+
+ $ip = $_SERVER['REMOTE_ADDR'];
+
+ if (!isset($login_faillog[$user][$ip]) || $result) // init or reset on successfull login
+ $login_faillog[$user] = array($ip => 0, 'last' => '');
+
+ if (!$result)
+ {
+ if ($login_faillog[$user][$ip] < @$SysPrefs->login_max_attempts) {
+
+ $login_faillog[$user][$ip]++;
+ } else {
+ $login_faillog[$user][$ip] = 0; // comment out to restart counter only after successfull login.
+ error_log(sprintf(_("Brute force attack on account '%s' detected. Access for non-logged users temporarily blocked." ), $login));
+ }
+ $login_faillog[$user]['last'] = time();
+ }
+
+ $msg = "<?php\n";
+ $msg .= "/*\n";
+ $msg .= "Login attempts info.\n";
+ $msg .= "*/\n";
+ $msg .= "\$login_faillog = " .var_export($login_faillog, true). ";\n";
+
+ $filename = $path_to_root."/tmp/faillog.php";
+
+ if ((!file_exists($filename) && is_writable($path_to_root.'/tmp')) || is_writable($filename))
+ {
+ file_put_contents($filename, $msg);
+ cache_invalidate($filename);
+ }
+}
+
//----------------------------------------------------------------------------------------
function check_page_security($page_security)
{
+ global $SysPrefs;
+
+ $msg = '';
+
if (!$_SESSION["wa_current_user"]->check_user_access())
{
// notification after upgrade from pre-2.2 version
_("Security settings have not been defined for your user account.")
. "<br>" . _("Please contact your system administrator.")
: _("Please remove \$security_groups and \$security_headings arrays from config.php file!");
-
+ } elseif (!$SysPrefs->db_ok && !$_SESSION["wa_current_user"]->can_access('SA_SOFTWAREUPGRADE'))
+ {
+ $msg = _('Access to application has been blocked until database upgrade is completed by system administrator.');
+ }
+
+ if ($msg){
display_error($msg);
- end_page();
+ end_page(@$_REQUEST['popup']);
kill_login();
exit;
}
echo _("The security settings on your account do not permit you to access this function");
echo "</b>";
echo "<br><br><br><br></center>";
+ end_page(@$_REQUEST['popup']);
+ exit;
+ }
+ if (!$SysPrefs->db_ok
+ && !in_array($page_security, array('SA_SOFTWAREUPGRADE', 'SA_OPEN', 'SA_BACKUP')))
+ {
+ display_error(_('System is blocked after source upgrade until database is updated on System/Software Upgrade page'));
end_page();
exit;
}
+
}
/*
Helper function for setting page security level depeding on
return $data;
}
+/*
+ htmlspecialchars does not support certain encodings.
+ ISO-8859-2 fortunately has the same special characters positions as
+ ISO-8859-1, so fix is easy. If any other unsupported encoding is used,
+ add workaround here.
+*/
+function html_specials_encode($str)
+{
+ return htmlspecialchars($str, ENT_QUOTES, $_SESSION['language']->encoding=='iso-8859-2' ?
+ 'ISO-8859-1' : $_SESSION['language']->encoding);
+}
+
+function html_cleanup(&$parms)
+{
+ foreach($parms as $name => $value) {
+ if (is_array($value))
+ html_cleanup($parms[$name]);
+ else
+ $parms[$name] = html_specials_encode($value);
+ }
+ reset($parms); // needed for direct key() usage later throughout the sources
+}
+
//============================================================================
//
//
if (isset($_GET['path_to_root']) || isset($_POST['path_to_root']))
die("Restricted access");
+include_once($path_to_root . "/includes/errors.inc");
+// colect all error msgs
+set_error_handler('error_handler' /*, errtypes */);
+
include_once($path_to_root . "/includes/current_user.inc");
include_once($path_to_root . "/frontaccounting.php");
include_once($path_to_root . "/admin/db/security_db.inc");
-include_once($path_to_root . "/includes/lang/language.php");
+include_once($path_to_root . "/includes/lang/language.inc");
include_once($path_to_root . "/config_db.php");
include_once($path_to_root . "/includes/ajax.inc");
include_once($path_to_root . "/includes/ui/ui_msgs.inc");
+include_once($path_to_root . "/includes/prefs/sysprefs.inc");
+
+include_once($path_to_root . "/includes/hooks.inc");
+//
+// include all extensions hook files.
+//
+foreach ($installed_extensions as $ext)
+{
+ if (file_exists($path_to_root.'/'.$ext['path'].'/hooks.php'))
+ include_once($path_to_root.'/'.$ext['path'].'/hooks.php');
+}
+$Session_manager = new SessionManager();
+$Session_manager->sessionStart('FA'.md5(dirname(__FILE__)));
+
+$_SESSION['SysPrefs'] = new sys_prefs();
+
+$SysPrefs = &$_SESSION['SysPrefs'];
+
+//----------------------------------------------------------------------------------------
+// set to reasonable values if not set in config file (pre-2.3.12 installations)
+
+if ((!isset($SysPrefs->login_delay)) || ($SysPrefs->login_delay < 0))
+ $SysPrefs->login_delay = 10;
+
+if ((!isset($SysPrefs->login_max_attempts)) || ($SysPrefs->login_max_attempts < 0))
+ $SysPrefs->login_max_attempts = 3;
+
+if ($SysPrefs->go_debug > 0)
+ error_reporting(-1);
+else
+ error_reporting(E_USER_WARNING|E_USER_ERROR|E_USER_NOTICE);
+ini_set("display_errors", "On");
+
+if ($SysPrefs->error_logfile != '') {
+ ini_set("error_log", $SysPrefs->error_logfile);
+ ini_set("ignore_repeated_errors", "On");
+ ini_set("log_errors", "On");
+}
/*
Uncomment the setting below when using FA on shared hosting
to avoid unexpeced session timeouts.
Make sure this directory exists and is writable!
*/
-//ini_set('session.save_path', dirname(__FILE__).'/../tmp/');
+// ini_set('session.save_path', dirname(__FILE__).'/../tmp/');
ini_set('session.gc_maxlifetime', 36000); // 10hrs
-session_name('FA'.md5(dirname(__FILE__)));
-session_start();
+hook_session_start(@$_POST["company_login_name"]);
// this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
header("Cache-control: private");
get_text_init();
+if ($SysPrefs->login_delay > 0)
+ @include_once($path_to_root . "/tmp/faillog.php");
+
// Page Initialisation
-if (!isset($_SESSION['language']) || !method_exists($_SESSION['language'], 'set_language'))
+if (!isset($_SESSION['wa_current_user']) || !$_SESSION['wa_current_user']->logged_in()
+ || !isset($_SESSION['language']) || !method_exists($_SESSION['language'], 'set_language'))
{
$l = array_search_value($dflt_lang, $installed_languages, 'code');
$_SESSION['language'] = new language($l['name'], $l['code'], $l['encoding'],
- isset($l['rtl']) ? 'rtl' : 'ltr');
+ (isset($l['rtl']) && $l['rtl'] === true) ? 'rtl' : 'ltr');
}
$_SESSION['language']->set_language($_SESSION['language']->code);
-// include $Hooks object if locale file exists
-if (file_exists($path_to_root . "/lang/".$_SESSION['language']->code."/locale.inc"))
-{
- include_once($path_to_root . "/lang/".$_SESSION['language']->code."/locale.inc");
- $Hooks = new Hooks();
-}
include_once($path_to_root . "/includes/access_levels.inc");
-include_once($path_to_root . "/config.php");
+include_once($path_to_root . "/version.php");
include_once($path_to_root . "/includes/main.inc");
+include_once($path_to_root . "/includes/app_entries.inc");
// Ajax communication object
$Ajax = new Ajax();
// page help. Currently help for function keys.
$Pagehelp = array();
-$SysPrefs = new sys_prefs();
-
$Refs = new references();
// intercept all output to destroy it in case of ajax call
register_shutdown_function('end_flush');
ob_start('output_html',0);
-// colect all error msgs
-set_error_handler('error_handler' /*, errtypes */);
-
if (!isset($_SESSION["wa_current_user"]))
$_SESSION["wa_current_user"] = new current_user();
+html_cleanup($_GET);
+html_cleanup($_POST);
+html_cleanup($_REQUEST);
+html_cleanup($_SERVER);
+
// logout.php is the only page we should have always
// accessable regardless of access level and current login status.
-if (strstr($_SERVER['PHP_SELF'], 'logout.php') == false){
+if (!defined('FA_LOGOUT_PHP_FILE')){
login_timeout();
+ if (!$_SESSION["wa_current_user"]->old_db)
+ include($path_to_root . '/company/'.user_company().'/installed_extensions.php');
+
+ install_hooks();
+
if (!$_SESSION["wa_current_user"]->logged_in())
{
+ if (@$SysPrefs->allow_password_reset && !$SysPrefs->allow_demo_mode
+ && (isset($_GET['reset']) || isset($_POST['email_entry_field']))) {
+ if (!isset($_POST["email_entry_field"])) {
+ include($path_to_root . "/access/password_reset.php");
+ exit();
+ }
+ else {
+ if (isset($_POST["company_login_nickname"]) && !isset($_POST["company_login_name"])) {
+ for ($i = 0; $i < count($db_connections); $i++) {
+ if ($db_connections[$i]["name"] == $_POST["company_login_nickname"]) {
+ $_POST["company_login_name"] = $i;
+ unset($_POST["company_login_nickname"]);
+ break 1; // cannot pass variables to break from PHP v5.4 onwards
+ }
+ }
+ }
+ $_succeed = isset($db_connections[$_POST["company_login_name"]]) &&
+ $_SESSION["wa_current_user"]->reset_password($_POST["company_login_name"],
+ $_POST["email_entry_field"]);
+ if ($_succeed)
+ {
+ password_reset_success();
+ }
+
+ password_reset_fail();
+ }
+ }
// Show login screen
if (!isset($_POST["user_name_entry_field"]) or $_POST["user_name_entry_field"] == "")
{
// strip ajax marker from uri, to force synchronous page reload
$_SESSION['timeout'] = array( 'uri'=>preg_replace('/JsHttpRequest=(?:(\d+)-)?([^&]+)/s',
- '', @$_SERVER['REQUEST_URI']),
+ '', html_specials_encode($_SERVER['REQUEST_URI'])),
'post' => $_POST);
include($path_to_root . "/access/login.php");
$Ajax->activate('_page_body');
exit;
} else {
-
+ if (isset($_POST["company_login_nickname"]) && !isset($_POST["company_login_name"])) {
+ for ($i = 0; $i < count($db_connections); $i++) {
+ if ($db_connections[$i]["name"] == $_POST["company_login_nickname"]) {
+ $_POST["company_login_name"] = $i;
+ unset($_POST["company_login_nickname"]);
+ break 1; // cannot pass variables to break from PHP v5.4 onwards
+ }
+ }
+ }
$succeed = isset($db_connections[$_POST["company_login_name"]]) &&
$_SESSION["wa_current_user"]->login($_POST["company_login_name"],
- $_POST["user_name_entry_field"], md5($_POST["password"]));
+ $_POST["user_name_entry_field"], $_POST["password"]);
// select full vs fallback ui mode on login
$_SESSION["wa_current_user"]->ui_mode = $_POST['ui_mode'];
if (!$succeed)
// Incorrect password
login_fail();
}
+ elseif(isset($_SESSION['timeout']) && !$_SESSION['timeout']['post'])
+ {
+ // in case of GET request redirect to avoid confirmation dialog
+ // after return from menu option
+ header("HTTP/1.1 303 See Other");
+ header("Location: ".$_SESSION['timeout']['uri']);
+ exit();
+ }
$lang = &$_SESSION['language'];
$lang->set_language($_SESSION['language']->code);
}
} else
+ {
set_global_connection();
- if (!$_SESSION["wa_current_user"]->old_db)
- include_once($path_to_root . '/company/'.user_company().'/installed_extensions.php');
+ if (db_fixed())
+ db_set_encoding($_SESSION['language']->encoding);
+ $SysPrefs->refresh();
+ }
if (!isset($_SESSION["App"])) {
$_SESSION["App"] = new front_accounting();
$_SESSION["App"]->init();
// POST vars cleanup needed for direct reuse.
// We quote all values later with db_escape() before db update.
- $_POST = strip_quotes($_POST);
-
-?>
\ No newline at end of file
+$_POST = strip_quotes($_POST);