diff options
Diffstat (limited to 'tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache')
7 files changed, 1228 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java new file mode 100644 index 0000000000..12f1143e3a --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java @@ -0,0 +1,516 @@ +/* + * 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.binding.http.provider; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.URLDecoder; +import java.text.ParseException; +import java.util.List; + +import javax.servlet.ServletException; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.http.HTTPCacheContext; +import org.apache.tuscany.sca.binding.http.util.HTTPHeadersParser; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPolicy; + +/** + * Servlet responsible for dispatching HTTP requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingListenerServlet extends HttpServlet { + private static final long serialVersionUID = 2865466417329430610L; + + private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication"); + + transient private Binding binding; + + transient private boolean requiresAuthentication = false; + transient private BasicAuthenticationPolicy basicAuthenticationPolicy = null; + + private MessageFactory messageFactory; + private Invoker getInvoker; + private Invoker conditionalGetInvoker; + private Invoker putInvoker; + private Invoker conditionalPutInvoker; + private Invoker postInvoker; + private Invoker conditionalPostInvoker; + private Invoker deleteInvoker; + private Invoker conditionalDeleteInvoker; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPBindingListenerServlet(Binding binding, MessageFactory messageFactory) { + this.binding = binding; + this.messageFactory = messageFactory; + + + // find out which policies are active + if (binding instanceof PolicySetAttachPoint) { + List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents(); + for(Intent intent : intents) { + if(intent.getName().equals(AUTEHTICATION_INTENT)) { + requiresAuthentication = true; + } + } + + + List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets(); + for (PolicySet ps : policySets) { + for (Object p : ps.getPolicies()) { + if (BasicAuthenticationPolicy.class.isInstance(p)) { + basicAuthenticationPolicy = (BasicAuthenticationPolicy)p; + } else { + // etc. check for other types of policy being present + } + } + } + } + } + + + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + if(requiresAuthentication) { + if(! hasAuthorization(request, response)) { + response.setHeader("WWW-Authenticate", "BASIC realm=\"Tuscany\""); + response.sendError(HttpServletResponse.SC_UNAUTHORIZED); + } + } + + super.service(request, response); + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + + //store http headers to message + requestMessage.getHeaders().addAll(HTTPHeadersParser.getHeaders(request)); + + String id = path.substring(1); + + Message responseMessage = null; + HTTPCacheContext cacheContext = null; + try { + cacheContext = HTTPCacheContext.getCacheContextFromRequest(request); + } catch (ParseException e) { + } + + // Route message based on availability of cache info and cache methods + if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalGetInvoker != null )) { + requestMessage.setBody(new Object[] {id, cacheContext}); + responseMessage = conditionalGetInvoker.invoke(requestMessage); + } else { + requestMessage.setBody(new Object[] {id}); + responseMessage = getInvoker.invoke(requestMessage); + } + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + + int index = -1; + if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_NOT_MODIFIED ); + return; + } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED ); + return; + } + + throw new ServletException((Throwable)responseMessage.getBody()); + } + + // Write the response from the service implementation to the response + // output stream + InputStream is = (InputStream)responseMessage.getBody(); + OutputStream os = response.getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + } + + @Override + protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + String id = path.substring(1); + + Message responseMessage = null; + HTTPCacheContext cacheContext = null; + try { + cacheContext = HTTPCacheContext.getCacheContextFromRequest(request); + } catch (ParseException e) { + } + + // Route message based on availability of cache info and cache methods + if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalDeleteInvoker != null )) { + requestMessage.setBody(new Object[] {id, cacheContext}); + responseMessage = conditionalDeleteInvoker.invoke(requestMessage); + } else { + requestMessage.setBody(new Object[] {id}); + responseMessage = deleteInvoker.invoke(requestMessage); + } + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + + int index = -1; + if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_NOT_MODIFIED ); + return; + } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED ); + return; + } + + throw new ServletException((Throwable)responseMessage.getBody()); + } + + // Write the response from the service implementation to the response + // output stream + InputStream is = (InputStream)responseMessage.getBody(); + OutputStream os = response.getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + } + + @Override + protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + String id = path.substring(1); + + Message responseMessage = null; + HTTPCacheContext cacheContext = null; + try { + cacheContext = HTTPCacheContext.getCacheContextFromRequest(request); + } catch (ParseException e) { + } + + // Route message based on availability of cache info and cache methods + if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPutInvoker != null )) { + requestMessage.setBody(new Object[] {id, cacheContext}); + responseMessage = conditionalPutInvoker.invoke(requestMessage); + } else { + requestMessage.setBody(new Object[] {id}); + responseMessage = putInvoker.invoke(requestMessage); + } + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + + int index = -1; + if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_NOT_MODIFIED ); + return; + } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED ); + return; + } + + throw new ServletException((Throwable)responseMessage.getBody()); + } + + // Write the response from the service implementation to the response + // output stream + InputStream is = (InputStream)responseMessage.getBody(); + OutputStream os = response.getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + } + + @Override + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + // String id = path.substring(1); + + Message responseMessage = null; + HTTPCacheContext cacheContext = null; + try { + cacheContext = HTTPCacheContext.getCacheContextFromRequest(request); + } catch (ParseException e) { + } + + // Route message based on availability of cache info and cache methods + if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPostInvoker != null )) { + requestMessage.setBody(new Object[] {cacheContext}); + responseMessage = conditionalPostInvoker.invoke(requestMessage); + } else { + requestMessage.setBody(new Object[] {}); + responseMessage = postInvoker.invoke(requestMessage); + } + if (responseMessage.isFault()) { + Object body = responseMessage.getBody(); + + int index = -1; + if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_NOT_MODIFIED ); + return; + } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) { + if ( index > -1 ) + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index )); + else + response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED ); + return; + } + + throw new ServletException((Throwable)responseMessage.getBody()); + } + + + // Test if the ETag and LastModified are returned as a cache context. + Object body = responseMessage.getBody(); + if ( body.getClass() == HTTPCacheContext.class ) { + // Transfer to header if so. + HTTPCacheContext cc = (HTTPCacheContext)responseMessage.getBody(); + if (( cc != null ) && ( cc.isEnabled() )) { + String eTag = cc.getETag(); + if ( eTag != null ) + response.setHeader( "ETag", cc.getETag() ); + String lastModified = cc.getLastModified(); + if ( lastModified != null) + response.setHeader( "LastModified", cc.getLastModified() ); + } + } + } + + /** + * @return the getInvoker + */ + public Invoker getGetInvoker() { + return getInvoker; + } + + /** + * @param getInvoker the getInvoker to set + */ + public void setGetInvoker(Invoker getInvoker) { + this.getInvoker = getInvoker; + } + + /** + * @return the conditionalGetInvoker + */ + public Invoker getConditionalGetInvoker() { + return conditionalGetInvoker; + } + + /** + * @param conditionalGetInvoker the conditionalGetInvoker to set + */ + public void setConditionalGetInvoker(Invoker conditionalGetInvoker) { + this.conditionalGetInvoker = conditionalGetInvoker; + } + + /** + * @return the putInvoker + */ + public Invoker getPutInvoker() { + return putInvoker; + } + + /** + * @param putInvoker the putInvoker to set + */ + public void setPutInvoker(Invoker putInvoker) { + this.putInvoker = putInvoker; + } + + /** + * @return the conditionalPutInvoker + */ + public Invoker getConditionalPutInvoker() { + return conditionalPutInvoker; + } + + /** + * @param conditionalPutInvoker the conditionalPutInvoker to set + */ + public void setConditionalPutInvoker(Invoker conditionalPutInvoker) { + this.conditionalPutInvoker = conditionalPutInvoker; + } + + /** + * @return the postInvoker + */ + public Invoker getPostInvoker() { + return postInvoker; + } + + /** + * @param postInvoker the postInvoker to set + */ + public void setPostInvoker(Invoker postInvoker) { + this.postInvoker = postInvoker; + } + + /** + * @return the conditionalPostInvoker + */ + public Invoker getConditionalPostInvoker() { + return conditionalPostInvoker; + } + + /** + * @param conditionalPostInvoker the conditionalPostInvoker to set + */ + public void setConditionalPostInvoker(Invoker conditionalPostInvoker) { + this.conditionalPostInvoker = conditionalPostInvoker; + } + + /** + * @return the deleteInvoker + */ + public Invoker getDeleteInvoker() { + return deleteInvoker; + } + + /** + * @param deleteInvoker the deleteInvoker to set + */ + public void setDeleteInvoker(Invoker deleteInvoker) { + this.deleteInvoker = deleteInvoker; + } + + /** + * @return the conditionalDeleteInvoker + */ + public Invoker getConditionalDeleteInvoker() { + return conditionalDeleteInvoker; + } + + /** + * @param conditionalDeleteInvoker the conditionalDeleteInvoker to set + */ + public void setConditionalDeleteInvoker(Invoker conditionalDeleteInvoker) { + this.conditionalDeleteInvoker = conditionalDeleteInvoker; + } + + + /** + * Utility Methods related to Policy + */ + + + private boolean hasAuthorization(HttpServletRequest request, ServletResponse response) { + boolean result = false; + if(request.getHeader("Authorization") != null) { + result = true; + } + + return result; + } + + +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java new file mode 100644 index 0000000000..768636d478 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java @@ -0,0 +1,65 @@ +/* + * 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.binding.http.provider; + +import org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + + +/** + * Factory for HTTP binding providers. + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingProviderFactory implements BindingProviderFactory<HTTPBinding> { + private ExtensionPointRegistry extensionPoints; + private MessageFactory messageFactory; + private ServletHost servletHost; + + public HTTPBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class); + this.servletHost = servletHosts.getServletHosts().get(0); + ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + messageFactory = modelFactories.getFactory(MessageFactory.class); + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, HTTPBinding binding) { + return null; + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, HTTPBinding binding) { + return new HTTPServiceBindingProvider(component, service, binding, extensionPoints, messageFactory, servletHost); + } + + public Class<HTTPBinding> getModelType() { + return HTTPBinding.class; + } +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java new file mode 100644 index 0000000000..e20d420d49 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java @@ -0,0 +1,94 @@ +/* + * 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.binding.http.provider; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.URLDecoder; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +/** + * Servlet responsible for dispatching HTTP GET requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class HTTPGetListenerServlet extends HttpServlet { + private static final long serialVersionUID = 2865466417329430610L; + + private MessageFactory messageFactory; + private Invoker getInvoker; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPGetListenerServlet(Invoker getInvoker, MessageFactory messageFactory) { + this.getInvoker = getInvoker; + this.messageFactory = messageFactory; + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.length() ==0) { + + // Redirect to a URL ending with / to make relative hrefs work + // relative to the served resource. + response.sendRedirect(request.getRequestURL().append('/').toString()); + return; + } + + // Invoke the get operation on the service implementation + Message requestMessage = messageFactory.createMessage(); + String id = path.substring(1); + requestMessage.setBody(new Object[] {id}); + Message responseMessage = getInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + throw new ServletException((Throwable)responseMessage.getBody()); + } + + // Write the response from the service implementation to the response + // output stream + InputStream is = (InputStream)responseMessage.getBody(); + OutputStream os = response.getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + + } + +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java new file mode 100644 index 0000000000..605e2c6211 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java @@ -0,0 +1,102 @@ +/* + * 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.binding.http.provider; + +import java.io.BufferedReader; +import java.io.CharArrayWriter; +import java.io.IOException; +import java.io.InputStreamReader; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.http.HTTPBindingContext; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +public class HTTPRRBListenerServlet extends HttpServlet { + + private static final long serialVersionUID = 6688524143716091739L; + + transient private Binding binding; + transient private Invoker bindingInvoker; + transient private MessageFactory messageFactory; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPRRBListenerServlet(Binding binding, Invoker bindingInvoker, MessageFactory messageFactory) { + this.binding = binding; + this.bindingInvoker = bindingInvoker; + this.messageFactory = messageFactory; + } + + public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // Decode using the charset in the request if it exists otherwise + // use UTF-8 as this is what all browser implementations use. + // The JSON-RPC-Java JavaScript client is ASCII clean so it + // although here we can correctly handle data from other clients + // that do not escape non ASCII data + String charset = request.getCharacterEncoding(); + if (charset == null) { + charset = "UTF-8"; + } + BufferedReader in = new BufferedReader(new InputStreamReader(request.getInputStream(), charset)); + + // Read the request + CharArrayWriter data = new CharArrayWriter(); + char[] buf = new char[4096]; + int ret; + while ((ret = in.read(buf, 0, 4096)) != -1) { + data.write(buf, 0, ret); + } + + HTTPBindingContext bindingContext = new HTTPBindingContext(); + bindingContext.setHttpRequest(request); + bindingContext.setHttpResponse(response); + + // Dispatch the service interaction to the service invoker + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBindingContext(bindingContext); + requestMessage.setBody(new Object[]{data}); + + Message responseMessage = bindingInvoker.invoke(requestMessage); + + // return response to client + if (responseMessage.isFault()) { + // Turn a fault into an exception + //throw new ServletException((Throwable)responseMessage.getBody()); + Throwable e = (Throwable)responseMessage.getBody(); + response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } else { + byte[] bout; + bout = responseMessage.<Object>getBody().toString().getBytes("UTF-8"); + response.getOutputStream().write(bout); + response.getOutputStream().flush(); + response.getOutputStream().close(); + } + } + +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java new file mode 100644 index 0000000000..8e84d04b76 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java @@ -0,0 +1,265 @@ +/* + * 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.binding.http.provider; + +import java.util.List; + +import javax.servlet.Servlet; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.SecurityContext; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.authentication.AuthenticationConfigurationPolicy; +import org.apache.tuscany.sca.policy.confidentiality.ConfidentialityPolicy; +import org.apache.tuscany.sca.provider.OperationSelectorProvider; +import org.apache.tuscany.sca.provider.OperationSelectorProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ServiceBindingProviderRRB; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.provider.WireFormatProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * Implementation of an HTTP binding provider. + * + * @version $Rev$ $Date$ + */ +public class HTTPServiceBindingProvider implements ServiceBindingProviderRRB { + private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication"); + private static final QName CONFIDENTIALITY_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","confidentiality"); + + private ExtensionPointRegistry extensionPoints; + + private RuntimeComponent component; + private RuntimeComponentService service; + private InterfaceContract serviceContract; + private HTTPBinding binding; + private MessageFactory messageFactory; + + private OperationSelectorProvider osProvider; + private WireFormatProvider wfProvider; + + private ServletHost servletHost; + private String servletMapping; + private HTTPBindingListenerServlet bindingListenerServlet; + + public HTTPServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + HTTPBinding binding, + ExtensionPointRegistry extensionPoints, + MessageFactory messageFactory, + ServletHost servletHost) { + this.component = component; + this.service = service; + + this.binding = binding; + this.extensionPoints = extensionPoints; + this.messageFactory = messageFactory; + this.servletHost = servletHost; + + // retrieve operation selector and wire format service providers + + ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + + + if (binding.getOperationSelector() != null) { + // Configure the interceptors for operation selection + OperationSelectorProviderFactory osProviderFactory = (OperationSelectorProviderFactory) providerFactories.getProviderFactory(binding.getOperationSelector().getClass()); + if (osProviderFactory != null) { + this.osProvider = osProviderFactory.createServiceOperationSelectorProvider(component, service, binding); + } + } + + if (binding.getRequestWireFormat() != null && binding.getResponseWireFormat() != null) { + // Configure the interceptors for wire format + WireFormatProviderFactory wfProviderFactory = (WireFormatProviderFactory) providerFactories.getProviderFactory(binding.getRequestWireFormat().getClass()); + if (wfProviderFactory != null) { + this.wfProvider = wfProviderFactory.createServiceWireFormatProvider(component, service, binding); + } + } + + + + //clone the service contract to avoid databinding issues + try { + this.serviceContract = (InterfaceContract) service.getInterfaceContract().clone(); + + // configure data binding + if (this.wfProvider != null) { + wfProvider.configureWireFormatInterfaceContract(service.getInterfaceContract()); + } + } catch(CloneNotSupportedException e) { + this.serviceContract = service.getInterfaceContract(); + } + + } + + public void start() { + // Get the invokers for the supported operations + RuntimeComponentService componentService = (RuntimeComponentService) service; + RuntimeWire wire = componentService.getRuntimeWire(binding); + Servlet servlet = null; + bindingListenerServlet = new HTTPBindingListenerServlet(binding, messageFactory ); + for (InvocationChain invocationChain : wire.getInvocationChains()) { + Operation operation = invocationChain.getTargetOperation(); + String operationName = operation.getName(); + if (binding.getOperationSelector() != null || binding.getRequestWireFormat() != null) { + Invoker bindingInvoker = wire.getBindingInvocationChain().getHeadInvoker(); + servlet = new HTTPRRBListenerServlet(binding, bindingInvoker, messageFactory); + break; + } else if (operationName.equals("get")) { + Invoker getInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setGetInvoker(getInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalGet")) { + Invoker conditionalGetInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalGetInvoker(conditionalGetInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("delete")) { + Invoker deleteInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setDeleteInvoker(deleteInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalDelete")) { + Invoker conditionalDeleteInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalDeleteInvoker(conditionalDeleteInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("put")) { + Invoker putInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setPutInvoker(putInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalPut")) { + Invoker conditionalPutInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalPutInvoker(conditionalPutInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("post")) { + Invoker postInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setPostInvoker(postInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("conditionalPost")) { + Invoker conditionalPostInvoker = invocationChain.getHeadInvoker(); + bindingListenerServlet.setConditionalPostInvoker(conditionalPostInvoker); + servlet = bindingListenerServlet; + } else if (operationName.equals("service")) { + Invoker serviceInvoker = invocationChain.getHeadInvoker(); + servlet = new HTTPServiceListenerServlet(binding, serviceInvoker, messageFactory); + break; + } + } + if (servlet == null) { + throw new IllegalStateException("No get or service method found on the service"); + } + + // Create our HTTP service listener Servlet and register it with the + // Servlet host + servletMapping = binding.getURI(); + if (!servletMapping.endsWith("/")) { + servletMapping += "/"; + } + if (!servletMapping.endsWith("*")) { + servletMapping += "*"; + } + + + SecurityContext securityContext = new SecurityContext(); + boolean isConfidentialityRequired = false; + boolean isAuthenticationRequired = false; + + + // find out which policies are active + if (binding instanceof PolicySetAttachPoint) { + List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents(); + for(Intent intent : intents) { + if (intent.getName().equals(AUTEHTICATION_INTENT)) { + isAuthenticationRequired = true; + } else if (intent.getName().equals(CONFIDENTIALITY_INTENT)) { + isConfidentialityRequired = true; + } + } + + List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets(); + for (PolicySet ps : policySets) { + for (Object p : ps.getPolicies()) { + if (ConfidentialityPolicy.class.isInstance(p) && isConfidentialityRequired) { + //Handle enabling and configuring SSL + ConfidentialityPolicy confidentialityPolicy = (ConfidentialityPolicy)p; + + securityContext.setSSLEnabled(true); + securityContext.setSSLProperties(confidentialityPolicy.toProperties()); + } else if(AuthenticationConfigurationPolicy.class.isInstance(p) && isAuthenticationRequired) { + // Handle authentication and user configuration + AuthenticationConfigurationPolicy authenticationConfiguration = (AuthenticationConfigurationPolicy)p; + + securityContext.setAuthenticationEnabled(true); + securityContext.getUsers().clear(); + securityContext.getUsers().addAll(authenticationConfiguration.getUsers()); + } + } + } + } + + + servletHost.addServletMapping(servletMapping, servlet, securityContext); + } + + public void stop() { + // Unregister the Servlet from the Servlet host + servletHost.removeServletMapping(servletMapping); + } + + public InterfaceContract getBindingInterfaceContract() { + return service.getInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return false; + } + + /** + * Add specific http interceptor to invocation chain + * @param runtimeWire + */ + public void configureBindingChain(RuntimeWire runtimeWire) { + + InvocationChain bindingChain = runtimeWire.getBindingInvocationChain(); + + if(osProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_OPERATION_SELECTOR, osProvider.createInterceptor()); + } + + if (wfProvider != null) { + bindingChain.addInterceptor(Phase.SERVICE_BINDING_WIREFORMAT, wfProvider.createInterceptor()); + } + + } + +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java new file mode 100644 index 0000000000..493255655d --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java @@ -0,0 +1,136 @@ +/* + * 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.binding.http.provider; + +import java.io.IOException; +import java.util.List; + +import javax.servlet.Servlet; +import javax.servlet.ServletConfig; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPolicy; + +/** + * Servlet responsible for dispatching HTTP service requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class HTTPServiceListenerServlet implements Servlet { + private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication"); + + transient private Binding binding; + transient private ServletConfig config; + transient private MessageFactory messageFactory; + transient private Invoker serviceInvoker; + + transient private boolean requiresAuthentication = false; + transient private BasicAuthenticationPolicy basicAuthenticationPolicy = null; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPServiceListenerServlet(Binding binding, Invoker serviceInvoker, MessageFactory messageFactory) { + this.binding = binding; + this.serviceInvoker = serviceInvoker; + this.messageFactory = messageFactory; + + // find out which policies are active + if (binding instanceof PolicySetAttachPoint) { + List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents(); + for(Intent intent : intents) { + if(intent.getName().equals(AUTEHTICATION_INTENT)) { + requiresAuthentication = true; + } + } + + + List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets(); + for (PolicySet ps : policySets) { + for (Object p : ps.getPolicies()) { + if (BasicAuthenticationPolicy.class.isInstance(p)) { + basicAuthenticationPolicy = (BasicAuthenticationPolicy)p; + } else { + // etc. check for other types of policy being present + } + } + } + } + } + + public ServletConfig getServletConfig() { + return config; + } + + public String getServletInfo() { + return ""; + } + + public void init(ServletConfig config) throws ServletException { + this.config = config; + } + + public void destroy() { + + } + + public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException { + + if(requiresAuthentication) { + if(! hasAuthenticationHeader((HttpServletRequest)request, (HttpServletResponse)response)) { + ((HttpServletResponse)response).sendError(HttpServletResponse.SC_UNAUTHORIZED); + } + } + + // Dispatch the service interaction to the service invoker + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBody(new Object[]{request, response}); + Message responseMessage = serviceInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + // Turn a fault into an exception + //throw new ServletException((Throwable)responseMessage.getBody()); + Throwable e = (Throwable)responseMessage.getBody(); + ((HttpServletResponse)response).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } + } + + + private boolean hasAuthenticationHeader(HttpServletRequest request, ServletResponse response) { + boolean result = false; + if(request.getHeader("Authorization") != null) { + result = true; + } + + return result; + } +} diff --git a/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java new file mode 100644 index 0000000000..1fe4600e31 --- /dev/null +++ b/tags/java/sca/1.5.1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java @@ -0,0 +1,50 @@ +/* + * 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.binding.http.util; + +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; + +import javax.servlet.http.HttpServletRequest; + +import org.apache.tuscany.sca.binding.http.HTTPHeader; + +public class HTTPHeadersParser { + + /** + * Parse http request headers to a map + * + * @param request + * @return + */ + public static List<HTTPHeader> getHeaders(HttpServletRequest request) { + List<HTTPHeader> headers = new ArrayList<HTTPHeader>(); + + Enumeration<?> headerNames = request.getHeaderNames(); + while (headerNames.hasMoreElements()) { + String headerName = (String) headerNames.nextElement(); + Object headerValue = request.getHeader(headerName); + HTTPHeader header = new HTTPHeader(headerName, headerValue); + headers.add(header); + } + return headers; + } +} |