private function SAML2_Assertion::parseSubject in SAML SP 2.0 Single Sign On (SSO) - SAML Service Provider 7

Parse subject in assertion.

Parameters

DOMElement $xml The assertion XML element.:

Throws

Exception

1 call to SAML2_Assertion::parseSubject()

SAML2_Assertion::__construct in includes/Assertion.php

File

includes/Assertion.php, line 116

Class

SAML2_Assertion

Code

private function parseSubject(DOMElement $xml) {
  $subject = Utilities::xpQuery($xml, './saml_assertion:Subject');
  if (empty($subject)) {

    /* No Subject node. */
    return;
  }
  elseif (count($subject) > 1) {
    throw new Exception('More than one <saml:Subject> in <saml:Assertion>.');
  }
  $subject = $subject[0];
  $nameId = Utilities::xpQuery($subject, './saml_assertion:NameID | ./saml_assertion:EncryptedID/xenc:EncryptedData');
  if (empty($nameId)) {
    throw new Exception('Missing <saml:NameID> or <saml:EncryptedID> in <saml:Subject>.');
  }
  elseif (count($nameId) > 1) {
    throw new Exception('More than one <saml:NameID> or <saml:EncryptedD> in <saml:Subject>.');
  }
  $nameId = $nameId[0];
  if ($nameId->localName === 'EncryptedData') {

    /* The NameID element is encrypted. */
    $this->encryptedNameId = $nameId;
  }
  else {
    $this->nameId = Utilities::parseNameId($nameId);
  }
}