/*
    * Copyright 2016 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *       http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.openehealth.ipf.commons.ihe.ws;
  
  import org.apache.cxf.configuration.jsse.TLSClientParameters;
  import org.apache.cxf.configuration.security.AuthorizationPolicy;
  import org.apache.cxf.transport.http.HTTPConduit;
  import org.openehealth.ipf.commons.ihe.core.SecurityInformation;
  
  import javax.net.ssl.HostnameVerifier;
  import javax.net.ssl.SSLContext;
  
  /**
   *
   */
  public class WsSecurityInformation extends SecurityInformation {
  
      public WsSecurityInformation(boolean secure, SSLContext sslContext, HostnameVerifier hostnameVerifier, String username, String password) {
          super(secure, sslContext, hostnameVerifier, username, password);
      }
  
      protected void configureHttpConduit(HTTPConduit httpConduit) {
          if (isSecure()) {
              TLSClientParameters tlsClientParameters = httpConduit.getTlsClientParameters();
  
              // If no TLSClientParameters are configured and no custom SslContext is configured, we use the system default
              // otherwise we overwrite TLSClientParameters if a custom SslContext is configured
              if (tlsClientParameters == null) {
                  tlsClientParameters = new TLSClientParameters();
                  maybeUpdateSslContext(tlsClientParameters, true);
              } else {
                  maybeUpdateSslContext(tlsClientParameters, false);
              }
              if (getHostnameVerifier() != null) {
                  tlsClientParameters.setHostnameVerifier(getHostnameVerifier());
              }
              httpConduit.setTlsClientParameters(tlsClientParameters);
          }
          if (getUsername() != null) {
              AuthorizationPolicy authorizationPolicy = new AuthorizationPolicy();
              authorizationPolicy.setUserName(getUsername());
              authorizationPolicy.setPassword(getPassword());
              httpConduit.setAuthorization(authorizationPolicy);
          }
      }
  
      private void maybeUpdateSslContext(TLSClientParameters tlsClientParameters, boolean useDefaultSocketFactory) {
          if (getSslContext() == null) {
              if (useDefaultSocketFactory) {
                  tlsClientParameters.setUseHttpsURLConnectionDefaultSslSocketFactory(true);
              }
          } else {
              tlsClientParameters.setSSLSocketFactory(getSslContext().getSocketFactory());
          }
      }
  }