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4.7. Sample Endpoint Configurations

An endpoint declares all the abstract methods that are exposed to the client. You can use endpoint configurations to include property declarations. The endpoint implementations can be associated with a given endpoint configuration using the @EndpointConfig annotation. The following steps describe a sample endpoint configuration:
  1. Create the web service endpoint using JAX-WS. Use a contract-first approach when using WS-Security as the policies declared in the WSDL are parsed by the Apache CXF engine on both server and client sides. Here is an example of WSDL contract enforcing signature and encryption using X 509 certificates: 
    <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<definitions targetNamespace="http://www.jboss.org/jbossws/ws-extensions/wssecuritypolicy" name="SecurityService"
        xmlns:tns="http://www.jboss.org/jbossws/ws-extensions/wssecuritypolicy"
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
        xmlns="http://schemas.xmlsoap.org/wsdl/"
        xmlns:wsp="http://www.w3.org/ns/ws-policy"
        xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
        xmlns:wsaws="http://www.w3.org/2005/08/addressing"
        xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
  <types>
    <xsd:schema>
      <xsd:import namespace="http://www.jboss.org/jbossws/ws-extensions/wssecuritypolicy" schemaLocation="SecurityService_schema1.xsd"/>
    </xsd:schema>
  </types>
  <message name="sayHello">
    <part name="parameters" element="tns:sayHello"/>
  </message>
  <message name="sayHelloResponse">
    <part name="parameters" element="tns:sayHelloResponse"/>
  </message>
  <portType name="ServiceIface">
    <operation name="sayHello">
      <input message="tns:sayHello"/>
      <output message="tns:sayHelloResponse"/>
    </operation>
  </portType>
  <binding name="SecurityServicePortBinding" type="tns:ServiceIface">
    <wsp:PolicyReference URI="#SecurityServiceSignThenEncryptPolicy"/>
    <soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
    <operation name="sayHello">
      <soap:operation soapAction=""/>
      <input>
        <soap:body use="literal"/>
      </input>
      <output>
        <soap:body use="literal"/>
      </output>
    </operation>
  </binding>
  <service name="SecurityService">
    <port name="SecurityServicePort" binding="tns:SecurityServicePortBinding">
      <soap:address location="http://localhost:8080/jaxws-samples-wssePolicy-sign-encrypt"/>
    </port>
  </service>
 
  <wsp:Policy wsu:Id="SecurityServiceSignThenEncryptPolicy" xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
    <wsp:ExactlyOne>
      <wsp:All>
        <sp:AsymmetricBinding xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
          <wsp:Policy>
            <sp:InitiatorToken>
              <wsp:Policy>
                <sp:X509Token sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy/IncludeToken/AlwaysToRecipient">
                  <wsp:Policy>
                    <sp:WssX509V1Token11/>
                  </wsp:Policy>
                  </sp:X509Token>
              </wsp:Policy>
            </sp:InitiatorToken>
            <sp:RecipientToken>
              <wsp:Policy>
                <sp:X509Token sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy/IncludeToken/Never">
                  <wsp:Policy>
                    <sp:WssX509V1Token11/>
                  </wsp:Policy>
                </sp:X509Token>
              </wsp:Policy>
            </sp:RecipientToken>
            <sp:AlgorithmSuite>
              <wsp:Policy>
                <sp-cxf:Basic128GCM xmlns:sp-cxf="http://cxf.apache.org/custom/security-policy"/>
              </wsp:Policy>
            </sp:AlgorithmSuite>
            <sp:Layout>
              <wsp:Policy>
                <sp:Lax/>
              </wsp:Policy>
            </sp:Layout>
            <sp:IncludeTimestamp/>
            <sp:EncryptSignature/>
            <sp:OnlySignEntireHeadersAndBody/>
            <sp:SignBeforeEncrypting/>
          </wsp:Policy>
        </sp:AsymmetricBinding>
        <sp:SignedParts xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
          <sp:Body/>
        </sp:SignedParts>
        <sp:EncryptedParts xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
          <sp:Body/>
        </sp:EncryptedParts>
        <sp:Wss10 xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
          <wsp:Policy>
            <sp:MustSupportRefIssuerSerial/>
          </wsp:Policy>
        </sp:Wss10>
      </wsp:All>
    </wsp:ExactlyOne>
  </wsp:Policy>
</definitions>
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    You can generate the service endpoint using the wsconsume tool and then use a @EndpointConfig annotation as shown below: 
    package org.jboss.test.ws.jaxws.samples.wsse.policy.basic;
 
import javax.jws.WebService;
import org.jboss.ws.api.annotation.EndpointConfig;
 
@WebService
(
   portName = "SecurityServicePort",
   serviceName = "SecurityService",
   wsdlLocation = "WEB-INF/wsdl/SecurityService.wsdl",
   targetNamespace = "http://www.jboss.org/jbossws/ws-extensions/wssecuritypolicy",
   endpointInterface = "org.jboss.test.ws.jaxws.samples.wsse.policy.basic.ServiceIface"
)
@EndpointConfig(configFile = "WEB-INF/jaxws-endpoint-config.xml", configName = "Custom WS-Security Endpoint")
public class ServiceImpl implements ServiceIface
{
   public String sayHello()
   {
      return "Secure Hello World!";
   }
}
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  2. Use the referenced jaxws-endpoint-config.xml descriptor to provide a custom endpoint configuration with the required server side configuration properties as shown below. This tells the engine which certificate or key to use for signature, signature verification, encryption, and decryption. 
    <?xml version="1.0" encoding="UTF-8"?>
<jaxws-config xmlns="urn:jboss:jbossws-jaxws-config:4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:javaee="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="urn:jboss:jbossws-jaxws-config:4.0 schema/jbossws-jaxws-config_4_0.xsd">
  <endpoint-config>
    <config-name>Custom WS-Security Endpoint</config-name>
    <property>
      <property-name>ws-security.signature.properties</property-name>
      <property-value>bob.properties</property-value>
    </property>
    <property>
      <property-name>ws-security.encryption.properties</property-name>
      <property-value>bob.properties</property-value>
    </property>
    <property>
      <property-name>ws-security.signature.username</property-name>
      <property-value>bob</property-value>
    </property>
    <property>
      <property-name>ws-security.encryption.username</property-name>
      <property-value>alice</property-value>
    </property>
    <property>
      <property-name>ws-security.callback-handler</property-name>
      <property-value>org.jboss.test.ws.jaxws.samples.wsse.policy.basic.KeystorePasswordCallback</property-value>
    </property>
  </endpoint-config>
</jaxws-config>
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    Here,
    • The bob.properties configuration file includes the WSS4J Crypto properties which in turn links to the keystore file, type, alias, and password for accessing it. For example: 
      org.apache.ws.security.crypto.provider=org.apache.ws.security.components.crypto.Merlin
org.apache.ws.security.crypto.merlin.keystore.type=jks
org.apache.ws.security.crypto.merlin.keystore.password=password
org.apache.ws.security.crypto.merlin.keystore.alias=bob
org.apache.ws.security.crypto.merlin.keystore.file=bob.jks
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    • The callback handler enables Apache CXF to access the keystore. For example: 
      package org.jboss.test.ws.jaxws.samples.wsse.policy.basic;
 
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.apache.ws.security.WSPasswordCallback;
 
public class KeystorePasswordCallback implements CallbackHandler {
   private Map<String, String> passwords = new HashMap<String, String>();
 
   public KeystorePasswordCallback() {
      passwords.put("alice", "password");
      passwords.put("bob", "password");
   }
 
   /**
    * It attempts to get the password from the private
    * alias/passwords map.
    */
   public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
      for (int i = 0; i < callbacks.length; i++) {
         WSPasswordCallback pc = (WSPasswordCallback)callbacks[i];
 
         String pass = passwords.get(pc.getIdentifier());
         if (pass != null) {
            pc.setPassword(pass);
            return;
         }
      }
   }
 
   /**
    * Add an alias/password pair to the callback mechanism.
    */
   public void setAliasPassword(String alias, String password) {
      passwords.put(alias, password);
   }
}
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  3. Assuming the bob.jks keystore is properly generated and contains the server Bob's full key as well as the client Alice's public key, you can proceed to packaging the endpoint. Here is the expected content: 
     /dati/jbossws/stack/cxf/trunk $ jar -tvf ./modules/testsuite/cxf-tests/target/test-libs/jaxws-samples-wsse-policy-sign-encrypt.war
     0 Thu Jun 16 18:50:48 CEST 2011 META-INF/
   140 Thu Jun 16 18:50:46 CEST 2011 META-INF/MANIFEST.MF
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/
   586 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/web.xml
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/basic/
  1687 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/basic/KeystorePasswordCallback.class
   383 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/basic/ServiceIface.class
  1070 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/basic/ServiceImpl.class
     0 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/jaxws/
   705 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/jaxws/SayHello.class
  1069 Thu Jun 16 18:50:48 CEST 2011 WEB-INF/classes/org/jboss/test/ws/jaxws/samples/wsse/policy/jaxws/SayHelloResponse.class
  1225 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/jaxws-endpoint-config.xml
     0 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/wsdl/
  4086 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/wsdl/SecurityService.wsdl
   653 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/wsdl/SecurityService_schema1.xsd
  1820 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/classes/bob.jks
   311 Thu Jun 16 18:50:44 CEST 2011 WEB-INF/classes/bob.properties
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    Here, the jaxws classes generated by the tools and a basic web.xml referencing the endpoint bean are also included: 
    <?xml version="1.0" encoding="UTF-8"?>
<web-app
   version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
   <servlet>
      <servlet-name>TestService</servlet-name>
      <servlet-class>org.jboss.test.ws.jaxws.samples.wsse.policy.basic.ServiceImpl</servlet-class>
   </servlet>
   <servlet-mapping>
      <servlet-name>TestService</servlet-name>
      <url-pattern>/*</url-pattern>
   </servlet-mapping>
</web-app>
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    Note
    If you are deploying the endpoint archive to JBoss Application Server 7, add a dependency to org.apache.ws.security module in the MANIFEST.MF file: 
    Manifest-Version: 1.0
Ant-Version: Apache Ant 1.7.1
Created-By: 17.0-b16 (Sun Microsystems Inc.)
Dependencies: org.apache.ws.security
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