PHP Zend_XmlRpc_Request::loadXML方法代码示例

 /**
  * For XML-RPC - we want to check for enc / sigs
  *
  * @return $xml
  */
 protected function modify_payload()
 {
     global $HTTP_RAW_POST_DATA;
     $xml = null;
     // check for encryption and signatures
     if ($this->authmethod == WEBSERVICE_AUTHMETHOD_PERMANENT_TOKEN) {
         // we need the token so that we can find the key
         if (!($dbtoken = get_record('external_tokens', 'token', $this->token, 'tokentype', EXTERNAL_TOKEN_PERMANENT))) {
             // log failed login attempts
             throw new WebserviceAccessException(get_string('invalidtoken', 'auth.webservice'));
         }
         // is WS-Security active ?
         if ($dbtoken->wssigenc) {
             $this->publickey = $dbtoken->publickey;
         }
     } else {
         if ($this->authmethod == WEBSERVICE_AUTHMETHOD_USERNAME) {
             // get the user
             $user = get_record('usr', 'username', $this->username);
             if (empty($user)) {
                 throw new WebserviceAccessException(get_string('wrongusernamepassword', 'auth.webservice'));
             }
             // get the institution from the external user
             $ext_user = get_record('external_services_users', 'userid', $user->id);
             if (empty($ext_user)) {
                 throw new WebserviceAccessException(get_string('wrongusernamepassword', 'auth.webservice'));
             }
             // is WS-Security active ?
             if ($ext_user->wssigenc) {
                 $this->publickey = $ext_user->publickey;
             }
         }
     }
     // only both if we can find a public key
     if (!empty($this->publickey)) {
         // A singleton provides our site's SSL info
         require_once get_config('docroot') . 'api/xmlrpc/lib.php';
         $HTTP_RAW_POST_DATA = file_get_contents('php://input');
         $openssl = OpenSslRepo::singleton();
         $payload = $HTTP_RAW_POST_DATA;
         $this->payload_encrypted = false;
         $this->payload_signed = false;
         try {
             $xml = new SimpleXMLElement($payload);
         } catch (Exception $e) {
             throw new XmlrpcServerException('Payload is not a valid XML document', 6001);
         }
         // Cascading switch. Kinda.
         try {
             if ($xml->getName() == 'encryptedMessage') {
                 $this->payload_encrypted = true;
                 $payload = xmlenc_envelope_strip($xml);
             }
             if ($xml->getName() == 'signedMessage') {
                 $this->payload_signed = true;
                 $payload = xmldsig_envelope_strip($xml);
             }
             $xml = $payload;
         } catch (CryptException $e) {
             if ($e->getCode() == 7025) {
                 // The key they used to contact us is old, respond with the new key correctly
                 // This sucks. Error handling of our mnet code needs to improve
                 ob_start();
                 xmlrpc_error($e->getMessage(), $e->getCode());
                 $response = ob_get_contents();
                 ob_end_clean();
                 // Sign and encrypt our response, even though we don't know if the
                 // request was signed and encrypted
                 $response = xmldsig_envelope($response);
                 $response = xmlenc_envelope($response, $this->publickey);
                 $xml = $response;
             }
         }
     }
     // if XML has been grabbed already then it must be turned into a request object
     if ($xml) {
         $request = new Zend_XmlRpc_Request();
         $request->loadXML($xml);
         $xml = $request;
     }
     return $xml;
 }