/**
* Class EcasPhpCASParser
* @param \DOMElement $root XML element coming from phpCAS
* @return array Attributes
* @see \phpCAS
*/
public function parse(\DOMElement $root)
{
phpCAS::trace('Found attribute ' . $root->nodeName);
$result = array();
if ($root->hasAttributes()) {
$attrs = $root->attributes;
foreach ($attrs as $attr) {
if ($attr->name == 'number') {
continue;
}
phpCAS::trace('Additional attribute ' . $attr->name . ' : ' . $attr->value);
$result['@attributes'][$attr->name] = $attr->value;
}
}
if ($root->hasChildNodes()) {
$children = $root->childNodes;
if ($children->length == 1) {
$child = $children->item(0);
if ($child->nodeType == XML_TEXT_NODE) {
$result['_value'] = $child->nodeValue;
return count($result) == 1 ? $result['_value'] : $result;
}
}
$groups = array();
foreach ($children as $child) {
$nodeName = str_replace('cas:', '', $child->nodeName);
phpCAS::traceBegin();
if ($nodeName == 'groups') {
$result['groups'] = array();
phpCas::traceBegin();
foreach ($child->childNodes as $groupChild) {
$result['groups'][] = $this->parse($groupChild);
}
phpCAS::traceEnd('Parsed groups');
} elseif (!isset($result[$nodeName])) {
$result[$nodeName] = $this->parse($child);
} else {
if (!isset($groups[$nodeName])) {
$result[$nodeName] = array($result[$nodeName]);
$groups[$nodeName] = 1;
}
$result[$nodeName][] = $this->parse($child);
}
phpCAS::traceEnd();
}
}
return $result;
}
/**
* This method is used to redirect the client to the CAS server.
* It is used by CASClient::forceAuthentication() and CASClient::checkAuthentication().
* @param $gateway true to check authentication, false to force it
* @public
*/
function redirectToCas($gateway = false)
{
$cas = new phpCas();
$cas->traceBegin();
$cas_url = $this->getServerLoginURL($gateway);
header('Location: ' . $cas_url);
$this->printHTMLHeader($this->getString(CAS_STR_AUTHENTICATION_WANTED));
printf('<p>' . $this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED) . '</p>', $cas_url);
$this->printHTMLFooter();
$cas->traceExit();
exit;
}
