/**
* Sends the response as a JSON encoded string
*
* @param mixed The data (usually an array) to send
*/
public function sendAsJson($data)
{
//This function needs to be kept in sync with the implmentation in applicationlight.php
if (headers_sent($file, $line)) {
throw new Exception("Cannot send response, headers already sent. File: {$file} Line: {$line}");
}
// We need to convert $data charset if we're not using UTF-8
if (vB5_String::getTempCharset() != 'UTF-8') {
$data = vB5_String::toCharset($data, vB5_String::getTempCharset(), 'UTF-8');
}
//If this is IE9, IE10, or IE11 -- we also need to work around the deliberate attempt to break "is IE" logic by the
//IE dev team -- we need to send type "text/plain". Yes, we know that's not the standard.
if (isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false or strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== false)) {
header('Content-type: text/plain; charset=UTF-8');
} else {
header('Content-type: application/json; charset=UTF-8');
}
// IE will cache ajax requests, and we need to prevent this - VBV-148
header('Cache-Control: max-age=0,no-cache,no-store,post-check=0,pre-check=0');
header('Expires: Sat, 1 Jan 2000 01:00:00 GMT');
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Pragma: no-cache");
if (isset($data['template']) and !empty($data['template'])) {
$data['template'] = $this->outputPage($data['template'], false);
}
echo vB5_String::jsonEncode($data);
}
/**
* @static
* When current lang charset isn't the one in http content_type header
* this method will convert All Ajax $_POST data into current language charset
*/
protected static function ajaxCharsetConvert()
{
$requestcharset = '';
if (isset($_SERVER["CONTENT_TYPE"]) and $_SERVER["CONTENT_TYPE"]) {
if (($pos = strpos(strtoupper($_SERVER["CONTENT_TYPE"]), 'CHARSET')) !== false) {
$requestcharset = substr(strtoupper($_SERVER["CONTENT_TYPE"]), $pos);
$temp = explode('=', $requestcharset);
if (!empty($temp[1])) {
$requestcharset = trim($temp[1]);
}
}
}
if ($requestcharset and vB5_String::getTempCharset() != $requestcharset) {
$routestring = isset($_REQUEST['routestring']) ? $_REQUEST['routestring'] : null;
$_COOKIE = vB5_String::toCharset($_COOKIE, $requestcharset);
$_GET = vB5_String::toCharset($_GET, $requestcharset);
$_POST = vB5_String::toCharset($_POST, $requestcharset);
$_REQUEST = vB5_String::toCharset($_REQUEST, $requestcharset);
if ($routestring !== null) {
// Preserve the utf-8 encoded route string
$_REQUEST['routestring'] = $routestring;
if (isset($_GET['routestring'])) {
$_GET['routestring'] = $routestring;
}
if (isset($_POST['routestring'])) {
$_POST['routestring'] = $routestring;
}
}
// Note we're not doing file names here because they're set via multipart form.
// So $_SERVER["CONTENT_TYPE"] won't have CHARSET in it.
}
}
