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package org.mule.transport.http; |
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|
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import org.mule.DefaultMuleEvent; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.OptimizedRequestContext; |
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import org.mule.RequestContext; |
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import org.mule.api.MessagingException; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.config.MuleProperties; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.lifecycle.CreateException; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.transport.Connector; |
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import org.mule.api.transport.MessageReceiver; |
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import org.mule.api.transport.PropertyScope; |
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import org.mule.config.i18n.Message; |
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import org.mule.config.i18n.MessageFactory; |
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import org.mule.session.DefaultMuleSession; |
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import org.mule.transport.ConnectException; |
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import org.mule.transport.NullPayload; |
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import org.mule.transport.http.i18n.HttpMessages; |
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import org.mule.transport.tcp.TcpConnector; |
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import org.mule.transport.tcp.TcpMessageReceiver; |
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import org.mule.util.MapUtils; |
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import org.mule.util.monitor.Expirable; |
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|
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import java.io.IOException; |
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import java.net.Socket; |
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import java.net.SocketAddress; |
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import java.util.Map; |
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|
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import javax.resource.spi.work.Work; |
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|
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import edu.emory.mathcs.backport.java.util.concurrent.TimeUnit; |
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|
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import org.apache.commons.httpclient.Header; |
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import org.apache.commons.httpclient.HttpVersion; |
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|
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|
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|
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|
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|
54 | 0 | public class HttpMessageReceiver extends TcpMessageReceiver |
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{ |
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public HttpMessageReceiver(Connector connector, FlowConstruct flowConstruct, InboundEndpoint endpoint) |
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throws CreateException |
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{ |
59 | 0 | super(connector, flowConstruct, endpoint); |
60 | 0 | } |
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|
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@Override |
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protected Work createWork(Socket socket) throws IOException |
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{ |
65 | 0 | return new HttpWorker(socket); |
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} |
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|
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@Override |
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protected void doConnect() throws ConnectException |
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{ |
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|
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|
73 | 0 | if (this.shouldConnect()) |
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{ |
75 | 0 | super.doConnect(); |
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} |
77 | 0 | } |
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|
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protected boolean shouldConnect() |
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{ |
81 | 0 | StringBuffer requestUri = new StringBuffer(80); |
82 | 0 | requestUri.append(endpoint.getProtocol()).append("://"); |
83 | 0 | requestUri.append(endpoint.getEndpointURI().getHost()); |
84 | 0 | requestUri.append(':').append(endpoint.getEndpointURI().getPort()); |
85 | 0 | requestUri.append('*'); |
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|
87 | 0 | MessageReceiver[] receivers = connector.getReceivers(requestUri.toString()); |
88 | 0 | for (MessageReceiver receiver : receivers) |
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{ |
90 | 0 | if (receiver.isConnected()) |
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{ |
92 | 0 | return false; |
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} |
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} |
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|
96 | 0 | return true; |
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} |
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|
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@SuppressWarnings("synthetic-access") |
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protected class HttpWorker implements Work, Expirable |
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{ |
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private HttpServerConnection conn; |
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private String remoteClientAddress; |
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|
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public HttpWorker(Socket socket) throws IOException |
106 | 0 | { |
107 | 0 | String encoding = endpoint.getEncoding(); |
108 | 0 | if (encoding == null) |
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{ |
110 | 0 | encoding = connector.getMuleContext().getConfiguration().getDefaultEncoding(); |
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} |
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|
113 | 0 | conn = new HttpServerConnection(socket, encoding, (HttpConnector) connector); |
114 | |
|
115 | 0 | final SocketAddress clientAddress = socket.getRemoteSocketAddress(); |
116 | 0 | if (clientAddress != null) |
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{ |
118 | 0 | remoteClientAddress = clientAddress.toString(); |
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} |
120 | 0 | } |
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|
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public void expired() |
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{ |
124 | 0 | if (conn.isOpen()) |
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{ |
126 | 0 | conn.close(); |
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} |
128 | 0 | } |
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|
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public void run() |
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{ |
132 | 0 | long keepAliveTimeout = ((TcpConnector) connector).getKeepAliveTimeout(); |
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|
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try |
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{ |
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do |
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{ |
138 | 0 | conn.setKeepAlive(false); |
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|
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|
141 | 0 | if (keepAliveTimeout > 0) |
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{ |
143 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().addExpirable( |
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keepAliveTimeout, TimeUnit.MILLISECONDS, this); |
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} |
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|
147 | 0 | HttpRequest request = conn.readRequest(); |
148 | 0 | if (request == null) |
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{ |
150 | 0 | break; |
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} |
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|
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|
154 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().removeExpirable(this); |
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|
156 | 0 | conn.writeResponse(processRequest(request)); |
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|
158 | 0 | if (request.getBody() != null) |
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{ |
160 | 0 | request.getBody().close(); |
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} |
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} |
163 | 0 | while (conn.isKeepAlive()); |
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} |
165 | 0 | catch (Exception e) |
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{ |
167 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(e); |
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} |
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finally |
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{ |
171 | 0 | logger.debug("Closing HTTP connection."); |
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|
173 | 0 | if (conn.isOpen()) |
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{ |
175 | 0 | conn.close(); |
176 | 0 | conn = null; |
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|
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|
179 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().removeExpirable(this); |
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} |
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} |
182 | 0 | } |
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|
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protected HttpResponse processRequest(HttpRequest request) throws MuleException, IOException |
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{ |
186 | 0 | RequestLine requestLine = request.getRequestLine(); |
187 | 0 | String method = requestLine.getMethod(); |
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|
189 | 0 | if (method.equals(HttpConstants.METHOD_GET) |
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|| method.equals(HttpConstants.METHOD_HEAD) |
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|| method.equals(HttpConstants.METHOD_POST) |
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|| method.equals(HttpConstants.METHOD_OPTIONS) |
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|| method.equals(HttpConstants.METHOD_PUT) |
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|| method.equals(HttpConstants.METHOD_DELETE) |
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|| method.equals(HttpConstants.METHOD_TRACE) |
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|| method.equals(HttpConstants.METHOD_CONNECT) |
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|| method.equals(HttpConstants.METHOD_PATCH)) |
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{ |
199 | 0 | return doRequest(request); |
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} |
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else |
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{ |
203 | 0 | return doBad(requestLine); |
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} |
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} |
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|
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protected HttpResponse doRequest(HttpRequest request) throws IOException, MuleException |
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{ |
209 | 0 | sendExpect100(request); |
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|
211 | 0 | MuleMessage message = createMuleMessage(request); |
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|
213 | 0 | String path = message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
214 | 0 | int i = path.indexOf('?'); |
215 | 0 | if (i > -1) |
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{ |
217 | 0 | path = path.substring(0, i); |
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} |
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|
220 | 0 | message.setProperty(HttpConnector.HTTP_REQUEST_PATH_PROPERTY, path, PropertyScope.INBOUND); |
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|
222 | 0 | if (logger.isDebugEnabled()) |
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{ |
224 | 0 | logger.debug(message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY)); |
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} |
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|
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|
228 | 0 | MessageReceiver receiver = getTargetReceiver(message, endpoint); |
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|
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HttpResponse response; |
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|
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|
233 | 0 | if (receiver != null) |
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{ |
235 | 0 | message.setProperty(HttpConnector.HTTP_CONTEXT_PATH_PROPERTY, |
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HttpConnector.normalizeUrl(receiver.getEndpointURI().getPath()), |
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PropertyScope.INBOUND); |
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|
239 | 0 | preRouteMessage(message); |
240 | 0 | MuleEvent returnEvent = receiver.routeMessage(message); |
241 | 0 | MuleMessage returnMessage = returnEvent == null ? null : returnEvent.getMessage(); |
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|
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Object tempResponse; |
244 | 0 | if (returnMessage != null) |
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{ |
246 | 0 | tempResponse = returnMessage.getPayload(); |
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} |
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else |
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{ |
250 | 0 | tempResponse = NullPayload.getInstance(); |
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} |
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|
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|
254 | 0 | if (tempResponse instanceof HttpResponse) |
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{ |
256 | 0 | response = (HttpResponse) tempResponse; |
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} |
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else |
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{ |
260 | 0 | response = transformResponse(returnMessage, returnEvent); |
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} |
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|
263 | 0 | response.setupKeepAliveFromRequestVersion(request.getRequestLine().getHttpVersion()); |
264 | 0 | HttpConnector httpConnector = (HttpConnector) connector; |
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|
266 | 0 | Header connectionHeader = request.getFirstHeader("Connection"); |
267 | 0 | boolean endpointOverride = endpoint.getProperty("keepAlive") != null; |
268 | 0 | boolean endpointKeepAliveValue = getEndpointKeepAliveValue(endpoint); |
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|
270 | 0 | if (endpointOverride) |
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{ |
272 | 0 | response.disableKeepAlive(!endpointKeepAliveValue); |
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} |
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else |
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{ |
276 | 0 | response.disableKeepAlive(!httpConnector.isKeepAlive()); |
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} |
278 | |
|
279 | 0 | if (connectionHeader != null) |
280 | |
{ |
281 | 0 | String value = connectionHeader.getValue(); |
282 | 0 | if ("keep-alive".equalsIgnoreCase(value) && endpointKeepAliveValue) |
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{ |
284 | 0 | response.setKeepAlive(true); |
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|
286 | 0 | if (response.getHttpVersion().equals(HttpVersion.HTTP_1_0)) |
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{ |
288 | 0 | connectionHeader = new Header(HttpConstants.HEADER_CONNECTION, "Keep-Alive"); |
289 | 0 | response.setHeader(connectionHeader); |
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} |
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} |
292 | 0 | else if ("close".equalsIgnoreCase(value) || !endpointKeepAliveValue) |
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{ |
294 | 0 | response.setKeepAlive(false); |
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} |
296 | 0 | } |
297 | 0 | else if (request.getRequestLine().getHttpVersion().equals(HttpVersion.HTTP_1_1)) |
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{ |
299 | 0 | response.setKeepAlive(endpointKeepAliveValue); |
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} |
301 | 0 | } |
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else |
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{ |
304 | 0 | response = buildFailureResponse(request.getRequestLine(), message); |
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} |
306 | 0 | return response; |
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} |
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|
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|
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|
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|
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|
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private boolean getEndpointKeepAliveValue(ImmutableEndpoint ep) |
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{ |
315 | 0 | String value = (String) ep.getProperty("keepAlive"); |
316 | 0 | if (value != null) |
317 | |
{ |
318 | 0 | return Boolean.parseBoolean(value); |
319 | |
} |
320 | 0 | return true; |
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} |
322 | |
|
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protected HttpResponse doOtherValid(RequestLine requestLine, String method) throws MuleException |
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{ |
325 | 0 | MuleMessage message = createMuleMessage(null); |
326 | 0 | MuleEvent event = new DefaultMuleEvent(message, endpoint, new DefaultMuleSession(connector.getMuleContext())); |
327 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
328 | 0 | HttpResponse response = new HttpResponse(); |
329 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_METHOD_NOT_ALLOWED); |
330 | 0 | response.setBody(HttpMessages.methodNotAllowed(method).toString() + HttpConstants.CRLF); |
331 | 0 | return transformResponse(response, event); |
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} |
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|
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protected HttpResponse doBad(RequestLine requestLine) throws MuleException |
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{ |
336 | 0 | MuleMessage message = createMuleMessage(null); |
337 | 0 | MuleEvent event = new DefaultMuleEvent(message, endpoint, new DefaultMuleSession(connector.getMuleContext())); |
338 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
339 | 0 | HttpResponse response = new HttpResponse(); |
340 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_BAD_REQUEST); |
341 | 0 | response.setBody(HttpMessages.malformedSyntax().toString() + HttpConstants.CRLF); |
342 | 0 | return transformResponse(response, event); |
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} |
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|
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private void sendExpect100(HttpRequest request) throws MuleException, IOException |
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{ |
347 | 0 | RequestLine requestLine = request.getRequestLine(); |
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|
349 | |
|
350 | |
|
351 | |
|
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|
353 | 0 | HttpVersion requestVersion = requestLine.getHttpVersion(); |
354 | 0 | if (HttpVersion.HTTP_1_1.equals(requestVersion)) |
355 | |
{ |
356 | 0 | Header expectHeader = request.getFirstHeader(HttpConstants.HEADER_EXPECT); |
357 | 0 | if (expectHeader != null) |
358 | |
{ |
359 | 0 | String expectHeaderValue = expectHeader.getValue(); |
360 | 0 | if (HttpConstants.HEADER_EXPECT_CONTINUE_REQUEST_VALUE.equals(expectHeaderValue)) |
361 | |
{ |
362 | 0 | HttpResponse expected = new HttpResponse(); |
363 | 0 | expected.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_CONTINUE); |
364 | 0 | final DefaultMuleEvent event = new DefaultMuleEvent(new DefaultMuleMessage(expected, |
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connector.getMuleContext()), endpoint, new DefaultMuleSession(flowConstruct, |
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connector.getMuleContext())); |
367 | 0 | RequestContext.setEvent(event); |
368 | 0 | conn.writeResponse(transformResponse(expected, event)); |
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} |
370 | |
} |
371 | |
} |
372 | 0 | } |
373 | |
|
374 | |
protected HttpResponse buildFailureResponse(RequestLine requestLine, MuleMessage message) throws MuleException |
375 | |
{ |
376 | 0 | EndpointURI uri = endpoint.getEndpointURI(); |
377 | 0 | String failedPath = String.format("%s://%s:%d%s", |
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uri.getScheme(), uri.getHost(), uri.getPort(), |
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message.getInboundProperty(HttpConnector.HTTP_REQUEST_PATH_PROPERTY)); |
380 | |
|
381 | 0 | if (logger.isDebugEnabled()) |
382 | |
{ |
383 | 0 | logger.debug("Failed to bind to " + failedPath); |
384 | |
} |
385 | |
|
386 | 0 | HttpResponse response = new HttpResponse(); |
387 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_NOT_FOUND); |
388 | 0 | response.setBody(HttpMessages.cannotBindToAddress(failedPath).toString()); |
389 | 0 | DefaultMuleEvent event = new DefaultMuleEvent(new DefaultMuleMessage(response, connector.getMuleContext()), endpoint, |
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new DefaultMuleSession(flowConstruct, connector.getMuleContext())); |
391 | 0 | RequestContext.setEvent(event); |
392 | |
|
393 | 0 | return transformResponse(response, event); |
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} |
395 | |
|
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protected void preRouteMessage(MuleMessage message) throws MessagingException |
397 | |
{ |
398 | 0 | message.setProperty(MuleProperties.MULE_REMOTE_CLIENT_ADDRESS, remoteClientAddress, PropertyScope.INBOUND); |
399 | 0 | } |
400 | |
|
401 | |
public void release() |
402 | |
{ |
403 | 0 | conn.close(); |
404 | 0 | conn = null; |
405 | 0 | } |
406 | |
} |
407 | |
|
408 | |
protected MessageReceiver getTargetReceiver(MuleMessage message, ImmutableEndpoint ep) |
409 | |
throws ConnectException |
410 | |
{ |
411 | 0 | String path = message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
412 | 0 | int i = path.indexOf('?'); |
413 | 0 | if (i > -1) |
414 | |
{ |
415 | 0 | path = path.substring(0, i); |
416 | |
} |
417 | |
|
418 | 0 | StringBuffer requestUri = new StringBuffer(80); |
419 | 0 | if (path.indexOf("://") == -1) |
420 | |
{ |
421 | 0 | requestUri.append(ep.getProtocol()).append("://"); |
422 | 0 | requestUri.append(ep.getEndpointURI().getHost()); |
423 | 0 | requestUri.append(':').append(ep.getEndpointURI().getPort()); |
424 | |
|
425 | 0 | if (!"/".equals(path)) |
426 | |
{ |
427 | 0 | requestUri.append(path); |
428 | |
} |
429 | |
} |
430 | |
|
431 | 0 | String uriStr = requestUri.toString(); |
432 | |
|
433 | 0 | if (logger.isTraceEnabled()) |
434 | |
{ |
435 | 0 | logger.trace("Looking up receiver on connector: " + connector.getName() + " with URI key: " |
436 | |
+ requestUri.toString()); |
437 | |
} |
438 | |
|
439 | 0 | MessageReceiver receiver = connector.lookupReceiver(uriStr); |
440 | |
|
441 | |
|
442 | |
|
443 | 0 | if (receiver == null && !"/".equals(path)) |
444 | |
{ |
445 | 0 | if (logger.isDebugEnabled()) |
446 | |
{ |
447 | 0 | logger.debug("Secondary lookup of receiver on connector: " + connector.getName() |
448 | |
+ " with URI key: " + requestUri.toString()); |
449 | |
} |
450 | |
|
451 | 0 | receiver = findReceiverByStem(connector.getReceivers(), uriStr); |
452 | |
|
453 | 0 | if (receiver == null && logger.isWarnEnabled()) |
454 | |
{ |
455 | 0 | logger.warn("No receiver found with secondary lookup on connector: " + connector.getName() |
456 | |
+ " with URI key: " + requestUri.toString()); |
457 | 0 | logger.warn("Receivers on connector are: " |
458 | |
+ MapUtils.toString(connector.getReceivers(), true)); |
459 | |
} |
460 | |
} |
461 | |
|
462 | 0 | return receiver; |
463 | |
} |
464 | |
|
465 | |
protected HttpResponse transformResponse(Object response, MuleEvent event) throws MuleException |
466 | |
{ |
467 | |
MuleMessage message; |
468 | 0 | if (response instanceof MuleMessage) |
469 | |
{ |
470 | 0 | message = (MuleMessage) response; |
471 | |
} |
472 | |
else |
473 | |
{ |
474 | 0 | message = new DefaultMuleMessage(response, connector.getMuleContext()); |
475 | |
} |
476 | |
|
477 | |
|
478 | 0 | message.applyTransformers(null, defaultResponseTransformers, HttpResponse.class); |
479 | 0 | return (HttpResponse) message.getPayload(); |
480 | |
} |
481 | |
|
482 | |
public static MessageReceiver findReceiverByStem(Map<Object, MessageReceiver> receivers, String uriStr) |
483 | |
{ |
484 | 0 | int match = 0; |
485 | 0 | MessageReceiver receiver = null; |
486 | 0 | for (Map.Entry<Object, MessageReceiver> e : receivers.entrySet()) |
487 | |
{ |
488 | 0 | String key = (String) e.getKey(); |
489 | 0 | MessageReceiver candidate = e.getValue(); |
490 | 0 | if (uriStr.startsWith(key) && match < key.length()) |
491 | |
{ |
492 | 0 | match = key.length(); |
493 | 0 | receiver = candidate; |
494 | |
} |
495 | 0 | } |
496 | 0 | return receiver; |
497 | |
} |
498 | |
|
499 | |
@Override |
500 | |
protected void initializeMessageFactory() throws InitialisationException |
501 | |
{ |
502 | |
HttpMuleMessageFactory factory; |
503 | |
try |
504 | |
{ |
505 | 0 | factory = (HttpMuleMessageFactory) super.createMuleMessageFactory(); |
506 | |
|
507 | 0 | boolean enableCookies = MapUtils.getBooleanValue(endpoint.getProperties(), |
508 | |
HttpConnector.HTTP_ENABLE_COOKIES_PROPERTY, ((HttpConnector) connector).isEnableCookies()); |
509 | 0 | factory.setEnableCookies(enableCookies); |
510 | |
|
511 | 0 | String cookieSpec = MapUtils.getString(endpoint.getProperties(), |
512 | |
HttpConnector.HTTP_COOKIE_SPEC_PROPERTY, ((HttpConnector) connector).getCookieSpec()); |
513 | 0 | factory.setCookieSpec(cookieSpec); |
514 | |
|
515 | 0 | factory.setExchangePattern(endpoint.getExchangePattern()); |
516 | |
|
517 | 0 | muleMessageFactory = factory; |
518 | |
} |
519 | 0 | catch (CreateException ce) |
520 | |
{ |
521 | 0 | Message message = MessageFactory.createStaticMessage(ce.getMessage()); |
522 | 0 | throw new InitialisationException(message, ce, this); |
523 | 0 | } |
524 | 0 | } |
525 | |
|
526 | |
@Override |
527 | |
protected MuleMessage handleUnacceptedFilter(MuleMessage message) |
528 | |
{ |
529 | 0 | if (logger.isDebugEnabled()) |
530 | |
{ |
531 | 0 | logger.debug("Message request '" |
532 | |
+ message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY) |
533 | |
+ "' is being rejected since it does not match the filter on this endpoint: " |
534 | |
+ endpoint); |
535 | |
} |
536 | 0 | message.setOutboundProperty(HttpConnector.HTTP_STATUS_PROPERTY, String.valueOf(HttpConstants.SC_NOT_ACCEPTABLE)); |
537 | 0 | return message; |
538 | |
} |
539 | |
} |