1 files changed, 101 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC3/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/authentication/basic/BasicAuthenticationReferencePolicyInterceptor.java b/tags/java/sca/2.0-M4-RC3/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/authentication/basic/BasicAuthenticationReferencePolicyInterceptor.java
new file mode 100644
index 0000000000..189866a23f
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC3/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/authentication/basic/BasicAuthenticationReferencePolicyInterceptor.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.tuscany.sca.policy.authentication.basic;
+
+import javax.security.auth.Subject;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.security.SecurityUtil;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class BasicAuthenticationReferencePolicyInterceptor implements PhasedInterceptor {
+    private static final String SCA10_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.1";
+    public static final QName policySetQName = new QName(SCA10_TUSCANY_NS, "wsBasicAuthentication");
+
+    private Invoker next;
+    private Operation operation;
+    private PolicySet policySet = null;
+    private String context;
+    private BasicAuthenticationPolicy policy;
+
+    public BasicAuthenticationReferencePolicyInterceptor(String context, Operation operation, PolicySet policySet) {
+        super();
+        this.operation = operation;
+        this.policySet = policySet;
+        this.context = context;
+        init();
+    }
+
+    private void init() {
+        if (policySet != null) {
+            for (Object policyObject : policySet.getPolicies()){
+                if (policyObject instanceof BasicAuthenticationPolicy){
+                    policy = (BasicAuthenticationPolicy)policyObject;
+                    break;
+                }
+            }
+        }
+    }
+
+    public Message invoke(Message msg) {
+        
+        // get the security context
+        Subject subject = SecurityUtil.getSubject(msg);
+        BasicAuthenticationPrincipal principal = SecurityUtil.getPrincipal(subject, 
+                                                                           BasicAuthenticationPrincipal.class);
+
+        // if no credentials propogated from the reference then use 
+        // the ones from the policy
+        if (principal == null && 
+            policy.getUserName() != null && 
+            !policy.getUserName().equals("")) {
+            principal = new BasicAuthenticationPrincipal(policy.getUserName(),
+                                                         policy.getPassword());
+            subject.getPrincipals().add(principal);
+        }
+
+        if (principal == null){
+            // alternatively we could call out here to some 3rd party system to get credentials
+            // or convert from some other security principal
+        }
+        
+        return getNext().invoke(msg);
+    }
+
+    public Invoker getNext() {
+        return next;
+    }
+
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+    
+    public String getPhase() {
+        return Phase.REFERENCE_POLICY;
+    }    
+}