/**
* Populate variables from a specially encoded string. This is used because
* in a click URL, a parameter could possibly be another URL.
*
* The resulting values are set into the $_GET, and $_REQUEST globals
*/
function MAX_querystringConvertParams()
{
$conf = $GLOBALS['_MAX']['CONF'];
$qs = $_SERVER['QUERY_STRING'];
// 1. Strip off the destination
$dest = false;
$destStr = $conf['var']['dest'] . '=';
$pos = strpos($qs, $destStr);
if ($pos === false) {
$destStr = 'dest=';
$pos = strpos($qs, $destStr);
}
if ($pos !== false) {
$dest = urldecode(substr($qs, $pos + strlen($destStr)));
$qs = substr($qs, 0, $pos);
}
// 2. Parse the remaining string
$aGet = array();
$paramStr = $conf['var']['params'] . '=';
$paramPos = strpos($qs, $paramStr);
if (is_numeric($paramPos)) {
$qs = urldecode(substr($qs, $paramPos + strlen($paramStr)));
$delim = $qs[0];
if (is_numeric($delim)) {
$delim = substr($qs, 1, $delim);
}
$qs = substr($qs, strlen($delim) + 1);
MAX_querystringParseStr($qs, $aGet, $delim);
// Fix the destination URL since if appended by a form, it will have no '?'
$qPos = isset($aGet[$conf['var']['dest']]) ? strpos($aGet[$conf['var']['dest']], '?') : false;
$aPos = isset($aGet[$conf['var']['dest']]) ? strpos($aGet[$conf['var']['dest']], '&') : false;
if ($aPos && !$qPos) {
$desturl = substr($aGet[$conf['var']['dest']], 0, $aPos);
$destparams = substr($aGet[$conf['var']['dest']], $aPos + 1);
$aGet[$conf['var']['dest']] = $desturl . '?' . $destparams;
}
} else {
parse_str($qs, $aGet);
}
if ($dest !== false) {
$aGet[$conf['var']['dest']] = $dest;
}
// 3. Add any cookie values to the GET string...
$n = isset($_GET[$conf['var']['n']]) ? $_GET[$conf['var']['n']] : '';
if (empty($n)) {
// Try from querystring
$n = isset($aGet[$conf['var']['n']]) ? $aGet[$conf['var']['n']] : '';
}
if (!empty($n) && !empty($_COOKIE[$conf['var']['vars']][$n])) {
$aVars = unserialize(stripslashes($_COOKIE[$conf['var']['vars']][$n]));
foreach ($aVars as $name => $value) {
if (!isset($_GET[$name])) {
$aGet[$name] = $value;
}
}
}
$_GET = $aGet;
$_REQUEST = $_GET + $_POST + $_COOKIE;
}
/**
* merge the url params with global $_REQUEST
* call the lg.php script
*
* @param int $bannerId - if null then delivery failed
* @package string $html
*/
function _logBeacon($beaconURL)
{
if ($beaconURL) {
$requestSave = $_REQUEST;
$getSave = $_GET;
$_GET = array();
$request = MAX_querystringParseStr($beaconURL, &$aRequest, '&');
$_REQUEST = $aRequest;
chdir(MAX_PATH . '/www/delivery');
include './lg.php';
chdir(SIM_PATH);
$_REQUEST = $requestSave;
$_GET = $getSave;
} else {
MAX_cookieFlush();
}
}
function MAX_querystringConvertParams()
{
$conf = $GLOBALS['_MAX']['CONF'];
$qs = $_SERVER['QUERY_STRING'];
$dest = false;
$destStr = $conf['var']['dest'] . '=';
$pos = strpos($qs, $destStr);
if ($pos === false) {
$destStr = 'dest=';
$pos = strpos($qs, $destStr);
}
if ($pos !== false) {
$dest = urldecode(substr($qs, $pos + strlen($destStr)));
$qs = substr($qs, 0, $pos);
}
$aGet = array();
$paramStr = $conf['var']['params'] . '=';
$paramPos = strpos($qs, $paramStr);
if (is_numeric($paramPos)) {
$qs = urldecode(substr($qs, $paramPos + strlen($paramStr)));
$delim = $qs[0];
if (is_numeric($delim)) {
$delim = substr($qs, 1, $delim);
}
$qs = substr($qs, strlen($delim) + 1);
MAX_querystringParseStr($qs, $aGet, $delim);
$qPos = isset($aGet[$conf['var']['dest']]) ? strpos($aGet[$conf['var']['dest']], '?') : false;
$aPos = isset($aGet[$conf['var']['dest']]) ? strpos($aGet[$conf['var']['dest']], '&') : false;
if ($aPos && !$qPos) {
$desturl = substr($aGet[$conf['var']['dest']], 0, $aPos);
$destparams = substr($aGet[$conf['var']['dest']], $aPos + 1);
$aGet[$conf['var']['dest']] = $desturl . '?' . $destparams;
}
} else {
parse_str($qs, $aGet);
}
if ($dest !== false) {
$aGet[$conf['var']['dest']] = $dest;
}
$n = isset($_GET[$conf['var']['n']]) ? $_GET[$conf['var']['n']] : '';
if (empty($n)) {
$n = isset($aGet[$conf['var']['n']]) ? $aGet[$conf['var']['n']] : '';
}
if (!empty($n) && !empty($_COOKIE[$conf['var']['vars']][$n])) {
$aVars = unserialize(stripslashes($_COOKIE[$conf['var']['vars']][$n]));
foreach ($aVars as $name => $value) {
if (!isset($_GET[$name])) {
$aGet[$name] = $value;
}
}
}
$_GET = $aGet;
$_REQUEST = $_GET + $_POST + $_COOKIE;
}
