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']) && $_SERVER['HTTPS'] !== 'off');
+
+ // Set session cookie options
+ session_set_cookie_params($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+ // If this session is obsolete it means there already is a new id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;
function login_fail()
{
+ global $path_to_root;
+
header("HTTP/1.1 401 Authorization Required");
echo "<center><br><br><font size='5' color='red'><b>" . _("Incorrect Password") . "<b></font><br><br>";
echo "<b>" . _("The user and password combination is not valid for the system.") . "<b><br><br>";
echo _("If you are not an authorized user, please contact your system administrator to obtain an account to enable you to use the system.");
- echo "<br><a href='javascript:history.go(-1)'>" . _("Back") . "</a>";
+ echo "<br><a href='$path_to_root/index.php'>" . _("Try again") . "</a>";
echo "</center>";
kill_login();
die();
}
+function check_faillog()
+{
+ global $login_delay, $login_faillog, $login_max_attempts;
+
+ $user = $_SESSION["wa_current_user"]->user;
+
+ if (@$login_delay && (@$login_faillog[$user][$_SERVER['REMOTE_ADDR']] >= @$login_max_attempts) && (time() < $login_faillog[$user]['last'] + $login_delay))
+ return true;
+
+ return false;
+}
+/*
+ Simple brute force attack detection is performed before connection to company database is open. Therefore access counters have to be stored in file.
+ Login attempts counter is created for every new user IP, which partialy prevent DOS attacks.
+*/
+function write_login_filelog($login, $result)
+{
+ global $login_faillog, $login_max_attempts, $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][$ip] < @$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 = $path_to_root."/faillog.php";
+
+ if ((!file_exists($filename) && is_writable($path_to_root)) || is_writable($filename))
+ {
+ file_put_contents($filename, $msg);
+ }
+}
+
//----------------------------------------------------------------------------------------
function check_page_security($page_security)
{
+ global $SysPrefs;
+
+ $msg = '';
+
if (!$_SESSION["wa_current_user"]->check_user_access())
{
// notification after upgrade from pre-2.2 version
- $msg = is_array($_SESSION["wa_current_user"]->role_set) ?
- _("Please remove \$security_groups and \$security_headings arrays from config.php file!")
- : _("Security settings have not been defined for your user account.")
- . "<br>" . _("Please contact your system administrator.");
-
- page(_("Access denied"), false);
- display_error($msg);
- end_page();
+ $msg = $_SESSION["wa_current_user"]->old_db ?
+ _("Security settings have not been defined for your user account.")
+ . "<br>" . _("Please contact your system administrator.")
+ : _("Please remove \$security_groups and \$security_headings arrays from config.php file!");
+ } elseif (!$_SESSION['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($msg);
+ end_page(@$_REQUEST['popup']);
kill_login();
exit;
}
if (!$_SESSION["wa_current_user"]->can_access_page($page_security))
{
- // no_menu parameter guess here is ugly hack, but works for now.
- // Better solution is to use global switch for menu, set before
- // session.inc inclusion.
- page(_("Access denied"), strpos($_SERVER['PHP_SELF'], '/view/'));
echo "<center><br><br><br><b>";
echo _("The security settings on your account do not permit you to access this function");
echo "</b>";
echo "<br><br><br><br></center>";
+ end_page(@$_REQUEST['popup']);
+ exit;
+ }
+ if (!$_SESSION['SysPrefs']->db_ok
+ && !in_array($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();
- //kill_login();
exit;
}
+
+}
+/*
+ Helper function for setting page security level depeding on
+ GET start variable and/or some value stored in session variable.
+ Before the call $page_security should be set to default page_security value.
+*/
+function set_page_security($value=null, $trans = array(), $gtrans = array())
+{
+ global $page_security;
+
+ // first check is this is not start page call
+ foreach($gtrans as $key => $area)
+ if (isset($_GET[$key])) {
+ $page_security = $area;
+ return;
+ }
+
+ // then check session value
+ if (isset($trans[$value])) {
+ $page_security = $trans[$value];
+ return;
+ }
}
//-----------------------------------------------------------------------------
return $data;
}
+function html_cleanup(&$parms)
+{
+ foreach($parms as $name => $value) {
+// $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
+ if (is_array($value))
+ html_cleanup($parms[$name]);
+ else
+ $parms[$name] = @htmlspecialchars($value, ENT_QUOTES, $_SESSION['language']->encoding);
+ }
+ reset($parms); // needed for direct key() usage later throughout the sources
+}
+
//============================================================================
//
//
function login_timeout()
{
+ // skip timeout on logout page
if ($_SESSION["wa_current_user"]->logged) {
$tout = $_SESSION["wa_current_user"]->timeout;
if ($tout && (time() > $_SESSION["wa_current_user"]->last_act + $tout))
$path_to_root = ".";
}
+//----------------------------------------------------------------------------------------
+// set to reasonable values if not set in config file (pre-2.3.12 installations)
+
+if ((!isset($login_delay)) || ($login_delay < 0))
+ $login_delay = 10;
+
+if ((!isset($login_max_attempts)) || ($login_max_attempts < 0))
+ $login_max_attempts = 3;
+
+
// Prevent register_globals vulnerability
if (isset($_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/current_user.inc");
include_once($path_to_root . "/includes/lang/language.php");
include_once($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.'/'.$ext['path'].'/hooks.php');
+}
/*
Uncomment the setting below when using FA on shared hosting
to avoid unexpeced session timeouts.
Make sure this directory exists and is writable!
*/
-//ini_set('session.save_path', dirname(__FILE__).'/../tmp/');
+// ini_set('session.save_path', dirname(__FILE__).'/../tmp/');
ini_set('session.gc_maxlifetime', 36000); // 10hrs
+ini_set('session.cache_limiter', 'private'); // prevent 'page expired' errors
+
+hook_session_start(@$_POST["company_login_name"]);
+
+$Session_manager = new SessionManager();
+$Session_manager->sessionStart('FA'.md5(dirname(__FILE__)));
-session_name('FrontAccounting');
-session_start();
// this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
header("Cache-control: private");
-get_text::init();
+include_once($path_to_root . "/config.php");
+get_text_init();
+
+if ($login_delay > 0)
+ @include_once($path_to_root . "/faillog.php");
// Page Initialisation
-if (!isset($_SESSION['languages']))
+if (!isset($_SESSION['wa_current_user']) || !$_SESSION['wa_current_user']->logged_in()
+ || !isset($_SESSION['language']) || !method_exists($_SESSION['language'], 'set_language'))
{
- language::load_languages(); // sets also default $_SESSION['language']
+ $l = array_search_value($dflt_lang, $installed_languages, 'code');
+ $_SESSION['language'] = new language($l['name'], $l['code'], $l['encoding'],
+ (isset($l['rtl']) && $l['rtl'] === true) ? 'rtl' : 'ltr');
}
-language::set_language($_SESSION['language']->code);
+$_SESSION['language']->set_language($_SESSION['language']->code);
-// include $Hooks object if locale file exists
-if(@include_once($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
-$Ajax =& new Ajax();
+$Ajax = new Ajax();
// js/php validation rules container
$Validate = array();
// page help. Currently help for function keys.
$Pagehelp = array();
+$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"]))
$_SESSION["wa_current_user"] = new current_user();
-set_global_connection();
+html_cleanup($_GET);
+html_cleanup($_POST);
+html_cleanup($_REQUEST);
+html_cleanup($_SERVER);
-login_timeout();
+// logout.php is the only page we should have always
+// accessable regardless of access level and current login status.
+if (strstr($_SERVER['PHP_SELF'], 'logout.php') == false){
-if (!$_SESSION["wa_current_user"]->logged_in())
-{
- // Show login screen
- if (!isset($_POST["user_name_entry_field"]) or $_POST["user_name_entry_field"] == "")
+ login_timeout();
+
+ if (!$_SESSION["wa_current_user"]->old_db)
+ include_once($path_to_root . '/company/'.user_company().'/installed_extensions.php');
+
+ install_hooks();
+
+ if (!$_SESSION["wa_current_user"]->logged_in())
{
- if (strstr($_SERVER['PHP_SELF'], 'timeout.php') == false)
- $_SESSION['timeout'] = array( 'uri'=> $_SERVER['REQUEST_URI'],
+ // Show login screen
+ if (!isset($_POST["user_name_entry_field"]) or $_POST["user_name_entry_field"] == "")
+ {
+ // strip ajax marker from uri, to force synchronous page reload
+ $_SESSION['timeout'] = array( 'uri'=>preg_replace('/JsHttpRequest=(?:(\d+)-)?([^&]+)/s',
+ '', @htmlspecialchars($_SERVER['REQUEST_URI'], ENT_QUOTES, $_SESSION['language']->encoding)),
'post' => $_POST);
- if (!in_ajax()) {
include($path_to_root . "/access/login.php");
+ if (in_ajax())
+ $Ajax->activate('_page_body');
+ exit;
} else {
- // ajax update of current page elements - open login window in popup
- // to not interfere with ajaxified page.
- $Ajax->popup($path_to_root . "/access/timeout.php");
- }
- exit;
- } else {
- $succeed = $_SESSION["wa_current_user"]->login($_POST["company_login_name"],
- $_POST["user_name_entry_field"],
- md5($_POST["password"]));
- // select full vs fallback ui mode on login
- $_SESSION["wa_current_user"]->ui_mode = $_POST['ui_mode'];
- if (!$succeed)
- {
+ 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"], $_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();
+ login_fail();
+ }
}
- $lang = $_SESSION['language'];
- language::set_language($_SESSION['language']->code);
+ } else
+ { set_global_connection();
+ if (db_fixed())
+ db_set_encoding($_SESSION['language']->encoding);
}
-}
-if (!isset($_SESSION["App"])) {
- $_SESSION["App"] = new front_accounting();
- $_SESSION["App"]->init();
+ if (!isset($_SESSION["App"])) {
+ $_SESSION["App"] = new front_accounting();
+ $_SESSION["App"]->init();
+ }
}
-//----------------------------------------------------------------------------------------
-
-check_page_security($page_security);
+$SysPrefs = &$_SESSION['SysPrefs'];
// 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);
projects / fa-stable.git / blobdiff