PHP SAML2_Utils::validateSignature方法代码示例

 /**
  * @param string $saml_response Base64 Encoded SAML
  *
  * @throws Exception When no assertions are found or signature in invalid
  */
 public function load_saml_response($saml_response)
 {
     $response_element = SAML2_DOMDocumentFactory::fromString(base64_decode($saml_response))->documentElement;
     $signature_info = SAML2_Utils::validateElement($response_element);
     SAML2_Utils::validateSignature($signature_info, $this->security_key);
     $response = SAML2_StatusResponse::fromXML($response_element);
     $this->destination = $response->getDestination();
     $assertions = $response->getAssertions();
     $this->assertions = $assertions;
 }

 /**
  * @param string $saml_request Base64 Encoded SAML
  *
  * @throws Exception When signature in invalid
  */
 public function load_saml_request($saml_request)
 {
     $request_element = SAML2_DOMDocumentFactory::fromString(base64_decode($saml_request))->documentElement;
     $signature_info = SAML2_Utils::validateElement($request_element);
     SAML2_Utils::validateSignature($signature_info, $this->security_key);
     /** @var SAML2_LogoutRequest $request */
     $request = SAML2_LogoutRequest::fromXML($request_element);
     $request->decryptNameId($this->security_key);
     $name_id = $request->getNameId();
     $this->notOnOrAfter = $request->getNotOnOrAfter();
     $this->name = $name_id ? $name_id['Value'] : null;
     $this->session_index = $request->getSessionIndex();
     $this->destination = $request->getDestination();
 }

 /**
  * Validate this assertion against a public key.
  *
  * If no signature was present on the assertion, we will return FALSE.
  * Otherwise, TRUE will be returned. An exception is thrown if the
  * signature validation fails.
  *
  * @param XMLSecurityKey $key  The key we should check against.
  * @return boolean  TRUE if successful, FALSE if it is unsigned.
  */
 public function validate(XMLSecurityKey $key)
 {
     assert('$key->type === XMLSecurityKey::RSA_SHA1');
     if ($this->signatureData === NULL) {
         return FALSE;
     }
     SAML2_Utils::validateSignature($this->signatureData, $key);
     return TRUE;
 }

 /**
  * Front controller for LaunchKey Native/White Label authentication
  *
  *
  * @param WP_User $user Unused parameter always passed first by authenticate filter
  * @param string $username Username specified by the user in the login screen
  * @param string $password Password specifiedby the user in the login screen
  *
  * @since 1.0.0
  * @return WP_User
  */
 public function authenticate($user, $username, $password)
 {
     if (empty($user) && empty($username) && empty($password) && !empty($_REQUEST['SAMLResponse'])) {
         $response_element = SAML2_DOMDocumentFactory::fromString(base64_decode($_REQUEST['SAMLResponse']))->documentElement;
         $signature_info = SAML2_Utils::validateElement($response_element);
         try {
             SAML2_Utils::validateSignature($signature_info, $this->security_key);
             $response = SAML2_StatusResponse::fromXML($response_element);
             /** @var SAML2_Assertion[] $assertions */
             $assertions = $response->getAssertions();
             if (empty($assertions)) {
                 throw new Exception("No assertions in SAML response");
             }
             $assertion = $assertions[0];
             $name_id = $assertion->getNameId();
             $username = $name_id['Value'];
             $session_id = $assertion->getSessionIndex();
             // Find the user by login
             $user = $this->wp_facade->get_user_by('login', $username);
             // If we don't have a user, create one
             if (!$user instanceof WP_User) {
                 $attributes = $assertion->getAttributes();
                 $user_data = array('user_login' => $username, 'user_pass' => '', 'role' => empty($attributes['role']) ? false : $this->translate_role($attributes['role'][0]));
                 $user_id = $this->wp_facade->wp_insert_user($user_data);
                 // Unset the password - wp_insert_user always generates a hash - it's misleading
                 $this->wp_facade->wp_update_user(array('ID' => $user_id, 'user_pass' => ''));
                 $user = new WP_User($user_id);
             }
             // Set the SSO session so we know we are logged in via SSSO
             $this->wp_facade->update_user_meta($user->ID, 'launchkey_sso_session', $session_id);
         } catch (Exception $e) {
             $this->wp_facade->wp_redirect($this->error_url);
             exit;
         }
         return $user;
     }
 }