Create 1.5 branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@766260 13f79535-47bb-0310-9956-ffa450edef68

15 files changed, 1317 insertions, 0 deletions

diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicy.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicy.java
new file mode 100644
index 0000000000..4ab7e582ac
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicy.java
@@ -0,0 +1,45 @@
+/*
+ * 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;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.host.http.UserContext;
+
+/**
+ * This policy configures authentication/authorization
+ * in embedded http servers
+ * 
+ * @version $Rev$ $Date$
+ */
+public class AuthenticationConfigurationPolicy {
+    public static final QName NAME = new QName(Constants.SCA10_TUSCANY_NS, "basicAuthenticationConfiguration");
+    
+    private List<UserContext> users = new ArrayList<UserContext>();
+    
+    public List<UserContext> getUsers() {
+        return this.users;
+    }
+    
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicyProcessor.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicyProcessor.java
new file mode 100644
index 0000000000..b45b8a4275
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/authentication/AuthenticationConfigurationPolicyProcessor.java
@@ -0,0 +1,156 @@
+/*
+ * 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;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.util.StringTokenizer;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.host.http.UserContext;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+/**
+ *  <sca:policySet name="widgetBindingAuthenticationPolicySet"
+ *       provides="sca:authentication"
+ *       appliesTo="tuscany:binding.http">
+ *       <tuscany:authenticationConfiguration>
+ *            <tuscany:user username="user1" password="tuscany" roles="admin"/>
+ *            <tuscany:user username="user2" password="tuscany" roles="admin, user"/>
+ *            <tuscany:user username="user3" password="tuscany" roles="user"/>
+ *       </tuscany:authenticationConfiguration>
+ *  </sca:policySet>
+ *
+ *
+ * @version $Rev$ $Date$
+ */
+
+public class AuthenticationConfigurationPolicyProcessor implements StAXArtifactProcessor<AuthenticationConfigurationPolicy> {
+    private static final QName AUTHENTICATION_CONFIGURATION_QNAME = new QName(Constants.SCA10_TUSCANY_NS, "authenticationConfiguration");
+    private static final QName USER_QNAME = new QName(Constants.SCA10_TUSCANY_NS, "user");
+
+    private Monitor monitor;
+    
+    public AuthenticationConfigurationPolicyProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "policy-security-http-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+            monitor.problem(problem);
+        }        
+    }    
+    
+    public QName getArtifactType() {
+        return AuthenticationConfigurationPolicy.NAME;
+    }
+
+    public Class<AuthenticationConfigurationPolicy> getModelType() {
+        return AuthenticationConfigurationPolicy.class;
+    }
+
+    public AuthenticationConfigurationPolicy read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        AuthenticationConfigurationPolicy authenticationConfiguration = new AuthenticationConfigurationPolicy();
+        
+        int event = reader.getEventType();
+        QName start = reader.getName();
+        QName name = null;
+        while (true) {
+            switch (event) {
+                case START_ELEMENT:
+                    name = reader.getName();
+                    if(USER_QNAME.equals(name)) {
+                        UserContext user = new UserContext();
+                        //<tuscany:user username="user1" password="tuscany" roles="admin, user"/>
+                        String username = reader.getAttributeValue(null, "username");
+                        if(username == null) {
+                            error("RequiredAttributeUsernameMissing", reader);
+                        } else {
+                            user.setUsername(username);    
+                        }
+                        
+                        String password = reader.getAttributeValue(null, "password");
+                        if(password == null) {
+                            error("RequiredAttributePasswordMissing", reader);
+                        } else {
+                            user.setPassword(password);
+                        }
+                        
+                        String roles = reader.getAttributeValue(null, "roles");
+                        if(roles == null) {
+                            error("RequiredAttributeRolesMissing", reader);
+                        } else {
+                            for (StringTokenizer tokens = new StringTokenizer(roles, ","); tokens.hasMoreTokens();) {
+                                user.getRoles().add(tokens.nextToken());    
+                            }
+                        }
+                        
+                        authenticationConfiguration.getUsers().add(user);
+                    }
+                    break;
+                case END_ELEMENT:
+                    if (start.equals(reader.getName())) {
+                        if (reader.hasNext()) {
+                            reader.next();
+                        }
+                        return authenticationConfiguration;
+                    }
+
+            }
+            if (reader.hasNext()) {
+                event = reader.next();
+            } else {
+                return authenticationConfiguration;
+            }
+        }    
+    }
+
+    public void write(AuthenticationConfigurationPolicy model, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        // TODO Auto-generated method stub
+    }
+
+    public void resolve(AuthenticationConfigurationPolicy model, ModelResolver resolver) throws ContributionResolveException {
+
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicy.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicy.java
new file mode 100644
index 0000000000..5301e13269
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicy.java
@@ -0,0 +1,132 @@
+/*
+ * 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.confidentiality;
+
+import java.util.Properties;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.policy.Policy;
+
+
+/**
+ * Models the SCA Implementation Security Policy Assertion for Confidentiality.
+ * 
+ * This would map to enabling SSL communication and would require 
+ * the following configuration items :
+ * 
+ * - javax.net.ssl.keyStore
+ * - javax.net.ssl.keyStorePassword
+ * - javax.net.ssl.keyStoreType
+ *
+ * - javax.net.ssl.trustStoreType
+ * - javax.net.ssl.trustStore
+ * - javax.net.ssl.trustStorePassword
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ConfidentialityPolicy implements Policy {
+    public static final QName NAME = new QName(Constants.SCA10_TUSCANY_NS, "confidentiality");
+
+    private String trustStoreType;
+    private String trustStore;
+    private String trustStorePassword;
+    
+    private String keyStoreType;
+    private String keyStore;
+    private String keyStorePassword;
+    
+    
+    public String getTrustStoreType() {
+        return trustStoreType;
+    }
+
+    public void setTrustStoreType(String trustStoreType) {
+        this.trustStoreType = trustStoreType;
+    }
+    
+    public String getTrustStore() {
+        return trustStore;
+    }
+
+    public void setTrustStore(String trustStore) {
+        this.trustStore = trustStore;
+    }
+
+    public String getTrustStorePassword() {
+        return trustStorePassword;
+    }
+
+    public void setTrustStorePassword(String trustStorePassword) {
+        this.trustStorePassword = trustStorePassword;
+    }
+
+    public String getKeyStoreType() {
+        return keyStoreType;
+    }
+
+    public void setKeyStoreType(String keyStoreType) {
+        this.keyStoreType = keyStoreType;
+    }
+    
+    public String getKeyStore() {
+        return keyStore;
+    }
+
+    public void setKeyStore(String keyStore) {
+        this.keyStore = keyStore;
+    }
+
+    public String getKeyStorePassword() {
+        return keyStorePassword;
+    }
+
+    public void setKeyStorePassword(String keyStorePassword) {
+        this.keyStorePassword = keyStorePassword;
+    }
+
+    public QName getSchemaName() {
+        return NAME;
+    }
+
+    public boolean isUnresolved() {
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+        
+    }
+    
+    public Properties toProperties() {
+        Properties properties = new Properties();
+        
+        properties.put("javax.net.ssl.trustStoreType", trustStoreType);
+        properties.put("javax.net.ssl.trustStore", trustStore);
+        properties.put("javax.net.ssl.trustStorePassword", trustStorePassword);
+        
+        properties.put("javax.net.ssl.keyStoreType", keyStoreType);
+        properties.put("javax.net.ssl.keyStore", keyStore);
+        properties.put("javax.net.ssl.keyStorePassword", keyStorePassword);
+        
+        return properties;
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicyProcessor.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicyProcessor.java
new file mode 100644
index 0000000000..972700bdce
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/confidentiality/ConfidentialityPolicyProcessor.java
@@ -0,0 +1,157 @@
+/*
+ * 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.confidentiality;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+public class ConfidentialityPolicyProcessor implements StAXArtifactProcessor<ConfidentialityPolicy> {
+    private static final QName KEY_STORE_QNAME = new QName(Constants.SCA10_TUSCANY_NS, "keyStore");
+    private static final QName TRUST_STORE_QNAME = new QName(Constants.SCA10_TUSCANY_NS, "trustStore");
+
+    private Monitor monitor;
+    
+    public ConfidentialityPolicyProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "policy-security-http-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+            monitor.problem(problem);
+        }        
+    }    
+    
+    public QName getArtifactType() {
+        return ConfidentialityPolicy.NAME;
+    }
+
+    public Class<ConfidentialityPolicy> getModelType() {
+        return ConfidentialityPolicy.class;
+    }
+
+    public ConfidentialityPolicy read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        ConfidentialityPolicy policy = new ConfidentialityPolicy();
+        int event = reader.getEventType();
+        QName start = reader.getName();
+        QName name = null;
+        while (true) {
+            switch (event) {
+                case START_ELEMENT:
+                    name = reader.getName();
+                    if(KEY_STORE_QNAME.equals(name)) {
+                        //<tuscany:keyStore type="JKS" file="conf/tomcat.keystore" password="apache"/>
+                        String type = reader.getAttributeValue(null, "type");
+                        if(type == null) {
+                            error("RequiredAttributeKeyStoreTypeMissing", reader);
+                        } else {
+                            policy.setKeyStoreType(type);    
+                        }
+                        
+                        String file = reader.getAttributeValue(null, "file");
+                        if(file == null) {
+                            error("RequiredAttributeKeyStoreFileMissing", reader);
+                        } else {
+                            policy.setKeyStore(file);
+                        }
+                        
+                        String password = reader.getAttributeValue(null, "password");
+                        if(file == null) {
+                            error("RequiredAttributeKeyStorePasswordMissing", reader);
+                        } else {
+                            policy.setKeyStorePassword(password);
+                        }
+                        
+                    } else if(TRUST_STORE_QNAME.equals(name)) {
+                        //<tuscany:trustStore type="" file="" password=""/>
+                        String type = reader.getAttributeValue(null, "type");
+                        if(type == null) {
+                            error("RequiredAttributeTrustStoreTypeMissing", reader);
+                        } else {
+                            policy.setTrustStoreType(type);    
+                        }
+                        
+                        String file = reader.getAttributeValue(null, "file");
+                        if(file == null) {
+                            error("RequiredAttributeTrusStoreFileMissing", reader);
+                        } else {
+                            policy.setTrustStore(file);
+                        }
+                        
+                        String password = reader.getAttributeValue(null, "password");
+                        if(file == null) {
+                            error("RequiredAttributeTrustStorePasswordMissing", reader);
+                        } else {
+                            policy.setTrustStorePassword(password);
+                        }
+
+                    }
+                    break;
+                case END_ELEMENT:
+                    if (start.equals(reader.getName())) {
+                        if (reader.hasNext()) {
+                            reader.next();
+                        }
+                        return policy;
+                    }
+
+            }
+            if (reader.hasNext()) {
+                event = reader.next();
+            } else {
+                return policy;
+            }
+        }    }
+
+    public void write(ConfidentialityPolicy model, XMLStreamWriter writer) throws ContributionWriteException,
+        XMLStreamException {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void resolve(ConfidentialityPolicy model, ModelResolver resolver) throws ContributionResolveException {
+
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationCallbackHandler.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationCallbackHandler.java
new file mode 100644
index 0000000000..00453a213b
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationCallbackHandler.java
@@ -0,0 +1,70 @@
+/*
+ * 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.io.IOException;
+
+import javax.security.auth.Subject;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+
+import org.apache.tuscany.sca.policy.SecurityUtil;
+import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPrincipal;
+
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationCallbackHandler implements CallbackHandler {
+    private final Subject subject;
+    
+    public LDAPRealmAuthenticationCallbackHandler(Subject subject) {
+        this.subject = subject;
+    }
+    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+
+        BasicAuthenticationPrincipal principal =  SecurityUtil.getPrincipal(subject, BasicAuthenticationPrincipal.class);
+
+        if (principal != null){
+            System.out.println(">>> LDAPRealmAuthenticationCallbackHandler" +
+                               " Username: " + principal.getName() + 
+                               " Password: " + principal.getPassword());
+            
+            for (int i = 0; i < callbacks.length; i++) {
+                if (callbacks[i] instanceof NameCallback) {
+                    NameCallback nc = (NameCallback)callbacks[i];
+                    nc.setName(principal.getName());
+                } else if (callbacks[i] instanceof PasswordCallback) {
+                    PasswordCallback pc = (PasswordCallback)callbacks[i];
+                    pc.setPassword(principal.getPassword().toCharArray());
+                } else {
+                    throw new UnsupportedCallbackException
+                    (callbacks[i], "Unsupported Callback!");
+                }
+            }
+        }
+        
+
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationImplementationPolicyProvider.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationImplementationPolicyProvider.java
new file mode 100644
index 0000000000..9b0ab3c8a1
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationImplementationPolicyProvider.java
@@ -0,0 +1,98 @@
+/*
+ * 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.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ConfiguredOperation;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.OperationsConfigurator;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.security.jaas.JaasAuthenticationInterceptor;
+import org.apache.tuscany.sca.policy.security.jaas.JaasAuthenticationPolicy;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class LDAPRealmAuthenticationImplementationPolicyProvider implements PolicyProvider {
+    private RuntimeComponent component;
+    private Implementation implementation;
+
+    public LDAPRealmAuthenticationImplementationPolicyProvider(RuntimeComponent component, Implementation implementation) {
+        super();
+        this.component = component;
+        this.implementation = implementation;
+    }
+    
+
+    public String getPhase() {
+        return Phase.IMPLEMENTATION_POLICY;
+    }
+
+    public Interceptor createInterceptor(Operation operation) {
+        List<LDAPRealmAuthenticationPolicy> policies = findPolicies(operation);
+        if (policies == null || policies.isEmpty()) {
+            return null;
+        } else {
+            return new LDAPRealmAuthenticationInterceptor(findPolicies(operation));
+        }
+    }
+
+    /**
+     * Internal utility methods
+     */
+    
+    /**
+     * 
+     * @param op
+     * @return
+     */
+    private List<LDAPRealmAuthenticationPolicy> findPolicies(Operation op) {
+        List<LDAPRealmAuthenticationPolicy> polices = new ArrayList<LDAPRealmAuthenticationPolicy>();
+        // FIXME: How do we get a list of effective policySets for a given operation?
+        if (implementation instanceof OperationsConfigurator) {
+            OperationsConfigurator operationsConfigurator = (OperationsConfigurator)implementation;
+            for (ConfiguredOperation cop : operationsConfigurator.getConfiguredOperations()) {
+                if (cop.getName().equals(op.getName())) {
+                    for (PolicySet ps : cop.getPolicySets()) {
+                        for (Object p : ps.getPolicies()) {
+                            if (JaasAuthenticationPolicy.class.isInstance(p)) {
+                                polices.add((LDAPRealmAuthenticationPolicy)p);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        
+        List<PolicySet> policySets = component.getPolicySets();
+        for (PolicySet ps : policySets) {
+            for (Object p : ps.getPolicies()) {
+                if (LDAPRealmAuthenticationPolicy.class.isInstance(p)) {
+                    polices.add((LDAPRealmAuthenticationPolicy)p);
+                }
+            }
+        }
+        return polices;
+    }
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java
new file mode 100644
index 0000000000..787d41f584
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationInterceptor.java
@@ -0,0 +1,68 @@
+/*
+ * 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.security.http.util.HttpSecurityUtil;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationInterceptor  implements Interceptor {
+    private List<LDAPRealmAuthenticationPolicy> authenticationPolicies;
+    private Invoker next;
+
+    public LDAPRealmAuthenticationInterceptor(List<LDAPRealmAuthenticationPolicy> authenticationPolicies) {
+        super();
+        this.authenticationPolicies = authenticationPolicies;
+    }
+
+    public Invoker getNext() {
+        return next;
+    }
+
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+
+    public Message invoke(Message msg) {
+        try {
+            for (LDAPRealmAuthenticationPolicy policy : authenticationPolicies) {
+                Subject subject = HttpSecurityUtil.getSubject(msg);
+                CallbackHandler callbackHandler = new LDAPRealmAuthenticationCallbackHandler(subject);
+                LoginContext lc = new LoginContext(policy.getRealmConfigurationName(), callbackHandler);
+                lc.login();
+            }
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }
+        return getNext().invoke(msg);
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicy.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicy.java
new file mode 100644
index 0000000000..ddb6790964
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicy.java
@@ -0,0 +1,79 @@
+/*
+ * 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 javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.policy.Policy;
+
+/**
+ * This policy provides realm based authentication/authorization
+ * 
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationPolicy implements Policy{
+    static final QName NAME = new QName(Constants.SCA10_TUSCANY_NS,"ldapRealmAuthentication");
+
+    private String realmName;
+    private String realmConfigurationName;
+
+    /**
+     * 
+     * @return
+     */
+    public String getRealmName() {
+        return realmName;
+    }
+
+    /**
+     * 
+     * @param realmName
+     */
+    public void setRealmName(String realmName) {
+        this.realmName = realmName;
+    }
+    
+    /**
+     * 
+     * @return
+     */
+    public String getRealmConfigurationName() {
+        return realmConfigurationName;
+    }
+
+    /**
+     * 
+     * @param realmConfigurationName
+     */
+    public void setRealmConfigurationName(String realmConfigurationName) {
+        this.realmConfigurationName = realmConfigurationName;
+    }
+
+    public QName getSchemaName() {
+        return NAME;
+    }
+    
+    public boolean isUnresolved() {
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+    }
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProcessor.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProcessor.java
new file mode 100644
index 0000000000..caa1a66b94
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProcessor.java
@@ -0,0 +1,140 @@
+/*
+ * 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 static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+
+public class LDAPRealmAuthenticationPolicyProcessor implements StAXArtifactProcessor<LDAPRealmAuthenticationPolicy> {
+    static final QName REALM_QNAME = new QName(Constants.SCA10_TUSCANY_NS,"realm");
+    public static final QName REALM_CONFIGURATION_QNAME = new QName(Constants.SCA10_TUSCANY_NS,"realmConfigurationName");
+    
+    private Monitor monitor;
+    
+    
+    public LDAPRealmAuthenticationPolicyProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+         if (monitor != null) {
+                 Problem problem = new ProblemImpl(this.getClass().getName(), "policy-security-http-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+             monitor.problem(problem);
+         }        
+    }
+    
+    public Class<LDAPRealmAuthenticationPolicy> getModelType() {
+        return LDAPRealmAuthenticationPolicy.class;
+    }
+    
+
+    public QName getArtifactType() {
+        return LDAPRealmAuthenticationPolicy.NAME;
+    }
+    
+    public LDAPRealmAuthenticationPolicy read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        LDAPRealmAuthenticationPolicy policy = new LDAPRealmAuthenticationPolicy();
+        int event = reader.getEventType();
+        QName name = null;
+        
+        while (reader.hasNext()) {
+            event = reader.getEventType();
+            switch (event) {
+                case START_ELEMENT : {
+                    name = reader.getName();
+                    if (name.equals(REALM_QNAME)) {
+                        String realmName = reader.getElementText();
+                        if (realmName != null) {
+                            policy.setRealmName(realmName.trim());
+                        }
+                    }
+                    if (name.equals(REALM_CONFIGURATION_QNAME)) {
+                        String realmConfigurationName = reader.getElementText();
+                        if (realmConfigurationName != null) {
+                            policy.setRealmConfigurationName(realmConfigurationName.trim());
+                        }
+                    } 
+
+                    break;
+                }
+            }
+            
+            if ( event == END_ELEMENT ) {
+                if ( LDAPRealmAuthenticationPolicy.NAME.equals(reader.getName()) ) {
+                    break;
+                } 
+            }
+            
+            //Read the next element
+            if (reader.hasNext()) {
+                reader.next();
+            }
+        }
+         
+        return policy;
+    }
+
+    public void write(LDAPRealmAuthenticationPolicy policy, XMLStreamWriter writer) throws ContributionWriteException,
+                                                        XMLStreamException {
+        String prefix = "tuscany";
+        writer.writeStartElement(prefix, 
+                                 LDAPRealmAuthenticationPolicy.NAME.getLocalPart(),
+                                 LDAPRealmAuthenticationPolicy.NAME.getNamespaceURI());
+        writer.writeNamespace("tuscany", Constants.SCA10_TUSCANY_NS);
+        
+       
+        writer.writeEndElement();
+    }
+
+
+    public void resolve(LDAPRealmAuthenticationPolicy policy, ModelResolver resolver) throws ContributionResolveException {
+
+    }
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProviderFactory.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProviderFactory.java
new file mode 100644
index 0000000000..ec6111a3ef
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationPolicyProviderFactory.java
@@ -0,0 +1,64 @@
+/*
+ * 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 org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.policy.security.jaas.JaasAuthenticationImplementationPolicyProvider;
+import org.apache.tuscany.sca.policy.security.jaas.JaasAuthenticationPolicy;
+import org.apache.tuscany.sca.policy.security.jaas.JaasAuthenticationServicePolicyProvider;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.PolicyProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationPolicyProviderFactory implements PolicyProviderFactory<LDAPRealmAuthenticationPolicy> {
+
+    public LDAPRealmAuthenticationPolicyProviderFactory(ExtensionPointRegistry registry) {
+        super();
+    }
+
+    public Class<LDAPRealmAuthenticationPolicy> getModelType() {
+        return LDAPRealmAuthenticationPolicy.class;
+    }
+
+    public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component, Implementation implementation) {
+        return new LDAPRealmAuthenticationImplementationPolicyProvider(component, implementation);
+    }
+
+    public PolicyProvider createReferencePolicyProvider(RuntimeComponent component,
+                                                        RuntimeComponentReference reference,
+                                                        Binding binding) {
+        return null;
+    }
+
+    public PolicyProvider createServicePolicyProvider(RuntimeComponent component,
+                                                      RuntimeComponentService service,
+                                                      Binding binding) {
+        return new LDAPRealmAuthenticationServicePolicyProvider(component, service, binding);
+    }
+
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationServicePolicyProvider.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationServicePolicyProvider.java
new file mode 100644
index 0000000000..117e9a0009
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationServicePolicyProvider.java
@@ -0,0 +1,122 @@
+/*
+ * 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.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ConfiguredOperation;
+import org.apache.tuscany.sca.assembly.OperationsConfigurator;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+
+/**
+ * 
+ * @version $Rev$ $Date$
+ */
+public class LDAPRealmAuthenticationServicePolicyProvider implements PolicyProvider {
+    private RuntimeComponent component;
+    private RuntimeComponentService service;
+    private Binding binding;
+
+    private List<Operation> operations = new ArrayList<Operation>();
+    
+    public LDAPRealmAuthenticationServicePolicyProvider(RuntimeComponent component, RuntimeComponentService service, Binding binding) {
+        super();
+        this.component = component;
+        this.service = service;
+        this.binding = binding;
+        
+        this.operations.addAll(service.getInterfaceContract().getInterface().getOperations());
+    }
+
+    public String getPhase() {
+        return Phase.SERVICE_BINDING_POLICY;
+    }
+
+    public Interceptor createInterceptor(Operation operation) {
+        List<LDAPRealmAuthenticationPolicy> policies = findPolicies(operation);
+        if (policies == null || policies.isEmpty()) {
+            return null;
+        } else {
+            return new LDAPRealmAuthenticationInterceptor(policies);
+        }
+    }
+
+
+    /**
+     * Private utility methods
+     */
+    
+    /**
+     * 
+     * @param op
+     * @return
+     */
+    private List<LDAPRealmAuthenticationPolicy> findPolicies(Operation op) {
+        List<LDAPRealmAuthenticationPolicy> polices = new ArrayList<LDAPRealmAuthenticationPolicy>();
+        // FIXME: How do we get a list of effective policySets for a given operation?
+        for(Operation operation : operations) {
+            if (operation.getName().equals(op.getName())) {
+                for (PolicySet ps : operation.getPolicySets()) {
+                    for (Object p : ps.getPolicies()) {
+                        if (LDAPRealmAuthenticationPolicy.class.isInstance(p)) {
+                            polices.add((LDAPRealmAuthenticationPolicy)p);
+                        }
+                    }
+                }
+            }
+        }
+
+        if (service instanceof OperationsConfigurator) {
+            OperationsConfigurator operationsConfigurator = (OperationsConfigurator)service;
+            for (ConfiguredOperation cop : operationsConfigurator.getConfiguredOperations()) {
+                if (cop.getName().equals(op.getName())) {
+                    for (PolicySet ps : cop.getApplicablePolicySets()) {
+                        for (Object p : ps.getPolicies()) {
+                            if (LDAPRealmAuthenticationPolicy.class.isInstance(p)) {
+                                polices.add((LDAPRealmAuthenticationPolicy)p);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        List<PolicySet> policySets = service.getPolicySets();
+        for (PolicySet ps : policySets) {
+            for (Object p : ps.getPolicies()) {
+                if (LDAPRealmAuthenticationPolicy.class.isInstance(p)) {
+                    polices.add((LDAPRealmAuthenticationPolicy)p);
+                }
+            }
+        }
+        
+        return polices;
+    }
+
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/util/HttpSecurityUtil.java b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/util/HttpSecurityUtil.java
new file mode 100644
index 0000000000..88b2ee9fce
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/util/HttpSecurityUtil.java
@@ -0,0 +1,124 @@
+/*
+ * 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.util;
+
+import java.util.StringTokenizer;
+
+import javax.security.auth.Subject;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPrincipal;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class HttpSecurityUtil {
+    
+    /**
+     * Check if Authorization header is available
+     * @param request
+     * @param response
+     * @return
+     */
+    public static boolean hasAuthorizationHeader(HttpServletRequest request) {
+        boolean result = false;
+        if(request.getHeader("Authorization") != null) {
+            result = true;
+        }
+        
+        return result;
+    }   
+    
+    /**
+     * 
+     * @param request
+     * @param response
+     * @return
+     */
+    public static String getAuthorizationHeader(HttpServletRequest request) {
+        return request.getHeader("Authorization");
+    }    
+
+    public static Subject getSubject(Message msg){
+
+        Subject subject = null;
+        HttpServletRequest request = null;
+
+        for (Object header : msg.getHeaders()){
+            if (header instanceof Subject){
+                subject  = (Subject)header;
+                break;
+            } else if( header instanceof HttpServletRequest) {
+                request = (HttpServletRequest) header;
+            }
+        }
+
+        //if there is no subject, but request is available
+        //try to build a subject from authorization header
+        if (subject == null & request != null) {
+            if ( hasAuthorizationHeader(request)) {
+                subject = getSubject(getAuthorizationHeader(request));
+            }
+            
+        }
+        if (subject == null){
+            subject = new Subject(); 
+            msg.getHeaders().add(subject); 
+        }
+
+        return subject;
+
+    }
+    
+    public static Subject getSubject(String httpAuthorizationHeader){
+        
+        
+        // get the security context
+        Subject subject = new Subject();
+        String user = null;
+        String password = null;
+        
+        if (httpAuthorizationHeader != null) {
+            StringTokenizer tokens = new StringTokenizer(httpAuthorizationHeader);
+            if (tokens.hasMoreTokens()) {
+                String basic = tokens.nextToken();
+                if (basic.equalsIgnoreCase("Basic")) {
+                    String credentials = tokens.nextToken();
+                    String userAndPassword = new String(Base64.decodeBase64(credentials.getBytes()));
+                    int colon = userAndPassword.indexOf(":");
+                    if (colon != -1) {
+                        user = userAndPassword.substring(0, colon);
+                        password = userAndPassword.substring(colon + 1);
+                    }
+                }
+            }
+        }
+
+        if(user != null && password != null) {
+            BasicAuthenticationPrincipal principal = new BasicAuthenticationPrincipal(user, password);
+            subject.getPrincipals().add(principal);
+        }
+        
+        return subject;
+    }
+}
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..fd57d8a44f
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,21 @@
+# 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. 
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.policy.authentication.AuthenticationConfigurationPolicyProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#authenticationConfiguration,model=org.apache.tuscany.sca.policy.authentication.AuthenticationConfigurationPolicy
+org.apache.tuscany.sca.policy.confidentiality.ConfidentialityPolicyProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#confidentiality,model=org.apache.tuscany.sca.policy.confidentiality.ConfidentialityPolicy
+org.apache.tuscany.sca.policy.security.http.LDAPRealmAuthenticationPolicyProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#ldapRealmAuthentication,model=org.apache.tuscany.sca.policy.security.http.LDAPRealmAuthenticationPolicy
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory
new file mode 100644
index 0000000000..5a92f0dfd7
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.PolicyProviderFactory
@@ -0,0 +1,19 @@
+# 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. 
+
+# Implementation class for the policy extension
+org.apache.tuscany.sca.policy.security.http.LDAPRealmAuthenticationPolicyProviderFactory;model=org.apache.tuscany.sca.policy.security.http.LDAPRealmAuthenticationPolicy
diff --git a/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/policy-security-http-validation-messages.properties b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/policy-security-http-validation-messages.properties
new file mode 100644
index 0000000000..ebb47f2b60
--- /dev/null
+++ b/branches/sca-java-1.5/modules/policy-security-http/src/main/resources/policy-security-http-validation-messages.properties
@@ -0,0 +1,22 @@
+#
+#
+#    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.
+#
+#
+RequiredAttributeRolesMissing = Required attribute 'roles' is missing.
+ClassNotFoundException = Class Not Found Exception: {0}
\ No newline at end of file