public static function Start($forceStart)
{
if (ini_get('session.auto_start')) {
return;
}
$existingSession = isset($_COOKIE[session_name()]);
if (isset($_COOKIE[session_name()])) {
/**
* Prevent errors from illegal characters in session_id
*/
if (!preg_match('/^[a-z0-9\\-]/', $_COOKIE[session_name()])) {
unset($_COOKIE[session_name()]);
}
}
if (!self::$_Started && ($existingSession || $forceStart)) {
session_start();
/**
* Security hash to prevent fixation and hijacking.
*/
if (!$existingSession) {
self::Reset();
} else {
$previousSecurityHash = isset($_SESSION[self::SecurityKey]) ? $_SESSION[self::SecurityKey] : null;
if ($previousSecurityHash != self::CurrentSecurityHash()) {
self::Reset();
}
}
self::$_Started = true;
}
}
protected static function Report($errorMessage, $backTrace, $file, $line)
{
$htmlError = self::BuildBackTrace($errorMessage, $backTrace, $file, $line, true);
$textError = self::BuildBackTrace($errorMessage, $backTrace, $file, $line, false);
header('Status: 503 Service Temporarily Unavailable');
if (HTTPContext::Enabled()) {
echo $htmlError;
die;
} else {
echo $textError;
}
$userReported = true;
if (!$userReported) {
/**
* Redirect frontend user to generic error
*/
Util::redirect('/error/500/');
}
}
public static function Close()
{
HTTPContext::Close();
}
