1 files changed, 127 insertions, 0 deletions
diff --git a/branches/sca-java-1.5.1/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java b/branches/sca-java-1.5.1/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java
new file mode 100644
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+++ b/branches/sca-java-1.5.1/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java
@@ -0,0 +1,127 @@
+/*
+ * 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.security.http;
+
+import java.util.List;
+
+import javax.security.auth.Subject;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.login.LoginContext;
+
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.policy.authorization.AuthorizationPolicy;
+import org.apache.tuscany.sca.policy.security.http.util.HttpSecurityUtil;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationInterceptor  implements Interceptor {
+    private List<LDAPRealmAuthenticationPolicy> authenticationPolicies;
+    private List<AuthorizationPolicy> authorizationPolicies;
+    private Invoker next;
+
+    public LDAPRealmAuthenticationInterceptor(List<LDAPRealmAuthenticationPolicy> authenticationPolicies,
+                                              List<AuthorizationPolicy> authorizationPolicies) {
+        super();
+        this.authenticationPolicies = authenticationPolicies;
+        this.authorizationPolicies = authorizationPolicies;
+    }
+
+    public Invoker getNext() {
+        return next;
+    }
+
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+
+    public Message invoke(Message msg) {
+        Subject subject = null;
+        Subject authenticatedSubject = null;
+
+        try {
+            // Perform user authentication    
+            LDAPRealmAuthenticationPolicy authenticationPolicy = authenticationPolicies.get(0);
+            if( authenticationPolicy != null) {
+                subject = HttpSecurityUtil.getSubject(msg);
+                CallbackHandler callbackHandler = new LDAPRealmAuthenticationCallbackHandler(subject);
+
+                /* This bypass Java EE */
+                LoginContext lc = new LoginContext(authenticationPolicy.getRealmConfigurationName(), callbackHandler);
+                lc.login();
+
+
+                /* Uses Geronimo to login */
+                /*
+                LoginContext geronimoLoginContext = ContextManager.login(authenticationPolicy.getRealmConfigurationName(), callbackHandler);
+
+                authenticatedSubject = geronimoLoginContext.getSubject();
+                if (authenticatedSubject != null) {
+                    //TODO: add authenticated subject to the msg header ?
+                }
+                */
+            }
+
+            AuthorizationPolicy authorizationPolicy = authorizationPolicies.get(0);
+            if(authorizationPolicy != null) {
+                if(authorizationPolicy.getAccessControl() == AuthorizationPolicy.AcessControl.allow) {
+                    /* Geronimo Specific code */
+                    /*
+                    boolean isAllowed = false;
+                    for (String requiredRole : authorizationPolicy.getRoleNames()) {
+                        isAllowed = isUserInRole(authenticatedSubject, requiredRole);
+                    }
+                    
+                    if(! isAllowed ) {
+                        throw new javax.security.auth.login.LoginException("Insufficient access rights !");
+                    }
+                    */
+                }
+
+            }
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+        return getNext().invoke(msg);
+    }
+    
+    public boolean isUserInRole(Subject subject, String role) {
+        /* Geronimo Specific code */
+        /*
+        AccessControlContext acc = ContextManager.getCurrentContext();
+
+        try {
+            acc.checkPermission(new WebRoleRefPermission("", role));
+        } catch (Exception e) {
+            return false;
+        }
+
+        return true;
+        */
+
+        return false;
+    }
+
+
+}