Example usage for org.apache.commons.httpclient HttpClient getParams

Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpClient getParams.

Prototype

public HttpClientParams getParams() 

Source Link

Usage

From source file:org.jetbrains.plugins.github.api.GithubApiUtil.java

@NotNull
private static HttpClient getHttpClient(@Nullable GithubAuthData.BasicAuth basicAuth, boolean useProxy) {
    final HttpClient client = new HttpClient();
    HttpConnectionManagerParams params = client.getHttpConnectionManager().getParams();
    params.setConnectionTimeout(CONNECTION_TIMEOUT); //set connection timeout (how long it takes to connect to
    // remote host)
    params.setSoTimeout(CONNECTION_TIMEOUT); //set socket timeout (how long it takes to retrieve data from remote
    // host)/*w  ww .java2  s.c  o m*/

    client.getParams().setContentCharset("UTF-8");
    // Configure proxySettings if it is required
    final HttpConfigurable proxySettings = HttpConfigurable.getInstance();
    if (useProxy && proxySettings.USE_HTTP_PROXY && !StringUtil.isEmptyOrSpaces(proxySettings.PROXY_HOST)) {
        client.getHostConfiguration().setProxy(proxySettings.PROXY_HOST, proxySettings.PROXY_PORT);
        if (proxySettings.PROXY_AUTHENTICATION) {
            client.getState().setProxyCredentials(AuthScope.ANY, new UsernamePasswordCredentials(
                    proxySettings.getProxyLogin(), proxySettings.getPlainProxyPassword()));
        }
    }
    if (basicAuth != null) {
        client.getParams().setCredentialCharset("UTF-8");
        client.getParams().setAuthenticationPreemptive(true);
        client.getState().setCredentials(AuthScope.ANY,
                new UsernamePasswordCredentials(basicAuth.getLogin(), basicAuth.getPassword()));
    }
    return client;
}

---

From source file:org.jetbrains.tfsIntegration.webservice.WebServiceHelper.java

private static void setupHttpClient(Credentials credentials, URI serverUri, HttpClient httpClient) {
    setCredentials(httpClient, credentials, serverUri);
    setProxy(httpClient);// w ww. j a va  2 s  .  c  o m
    httpClient.getParams().setSoTimeout(SOCKET_TIMEOUT);
    if (Registry.is("tfs.set.connection.timeout", false)) {
        httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(SOCKET_TIMEOUT);
        httpClient.getHttpConnectionManager().getParams().setSoTimeout(SOCKET_TIMEOUT);
    }
}

---

From source file:org.jetbrains.tfsIntegration.webservice.WebServiceHelper.java

private static void setCredentials(final @NotNull HttpClient httpClient, final @NotNull Credentials credentials,
        final @NotNull URI serverUri) {
    if (credentials.getType() == Credentials.Type.Alternate) {
        HostParams parameters = httpClient.getHostConfiguration().getParams();
        Collection<Header> headers = (Collection<Header>) parameters.getParameter(HostParams.DEFAULT_HEADERS);

        if (headers == null) {
            headers = new ArrayList<Header>();
            parameters.setParameter(HostParams.DEFAULT_HEADERS, headers);
        }/*from www .  j a  va 2 s. co m*/

        Header authHeader = ContainerUtil.find(headers, new Condition<Header>() {
            @Override
            public boolean value(Header header) {
                return header.getName().equals(HTTPConstants.HEADER_AUTHORIZATION);
            }
        });

        if (authHeader == null) {
            authHeader = new Header(HTTPConstants.HEADER_AUTHORIZATION, "");
            headers.add(authHeader);
        }

        authHeader.setValue(BasicScheme.authenticate(
                new UsernamePasswordCredentials(credentials.getUserName(), credentials.getPassword()),
                "UTF-8"));
    } else {
        final NTCredentials ntCreds = new NTCredentials(credentials.getUserName(), credentials.getPassword(),
                serverUri.getHost(), credentials.getDomain());
        httpClient.getState().setCredentials(AuthScope.ANY, ntCreds);
        httpClient.getParams().setBooleanParameter(USE_NATIVE_CREDENTIALS,
                credentials.getType() == Credentials.Type.NtlmNative);
    }
}

---

From source file:org.jivesoftware.community.http.impl.HttpClientManagerImpl.java

public HttpClient getClient(URL url,
        com.sun.syndication.fetcher.impl.HttpClientFeedFetcher.CredentialSupplier credentialSupplier,
        int timeout) {
    HttpClient client = new HttpClient();
    HttpConnectionManager conManager = client.getHttpConnectionManager();

    if (JiveGlobals.getProperty("http.proxyHost") != null
            && JiveGlobals.getProperty("http.proxyPort") != null) {
        client.getHostConfiguration().setProxy(JiveGlobals.getProperty("http.proxyHost"),
                Integer.parseInt(JiveGlobals.getProperty("http.proxyPort")));
        if (JiveGlobals.getProperty("http.proxyUsername") != null
                && JiveGlobals.getProperty("http.proxyPassword") != null) {
            HttpState state = new HttpState();
            state.setProxyCredentials(AuthScope.ANY,
                    new UsernamePasswordCredentials(JiveGlobals.getProperty("http.proxyUserName"),
                            JiveGlobals.getProperty("http.proxyPassword")));
            client.setState(state);//from  ww  w.ja v a 2  s.c o  m
        }
    }
    if (timeout > 0) {
        conManager.getParams().setParameter("http.connection.timeout", Integer.valueOf(timeout));
        conManager.getParams().setParameter("http.socket.timeout", Integer.valueOf(timeout));
    }
    if (isHTTPS(url)) {
        int port = url.getPort() <= -1 ? 443 : url.getPort();
        Protocol myhttps = new Protocol("https", new DummySSLSocketFactory(), port);
        Protocol.registerProtocol("https", myhttps);
        client.getHostConfiguration().setHost(url.getHost(), port, myhttps);
    } else {
        int port = url.getPort() <= -1 ? 80 : url.getPort();
        client.getHostConfiguration().setHost(url.getHost(), port);
    }
    if (url.getUserInfo() != null && credentialSupplier == null)
        credentialSupplier = new BasicAuthCredentials(url.getUserInfo());

    if (credentialSupplier != null) {
        client.getParams().setAuthenticationPreemptive(true);
        client.getState().setCredentials(new AuthScope(url.getHost(), -1, AuthScope.ANY_REALM),
                credentialSupplier.getCredentials(null, url.getHost()));
    }
    return client;
}

---

From source file:org.jivesoftware.openfire.clearspace.ClearspaceManager.java

/**
 * Makes a rest request of any type at the specified urlSuffix. The urlSuffix should be of the
 * form /userService/users.//from w  w w. j a va2  s.  c  om
 * If CS throws an exception it handled and transalated to a Openfire exception if possible.
 * This is done using the check fault method that tries to throw the best maching exception.
 *
 * @param type      Must be GET or DELETE
 * @param urlSuffix The url suffix of the rest request
 * @param xmlParams The xml with the request params, must be null if type is GET or DELETE only
 * @return The response as a xml doc.
 * @throws ConnectionException Thrown if there are issues perfoming the request.
 * @throws Exception Thrown if the response from Clearspace contains an exception.
 */
public Element executeRequest(HttpType type, String urlSuffix, String xmlParams)
        throws ConnectionException, Exception {
    if (Log.isDebugEnabled()) {
        Log.debug("Outgoing REST call [" + type + "] to " + urlSuffix + ": " + xmlParams);
    }

    String wsUrl = getConnectionURI() + WEBSERVICES_PATH + urlSuffix;

    String secret = getSharedSecret();

    HttpClient client = new HttpClient();
    HttpMethod method;

    // Configures the authentication
    client.getParams().setAuthenticationPreemptive(true);
    Credentials credentials = new UsernamePasswordCredentials(OPENFIRE_USERNAME, secret);
    AuthScope scope = new AuthScope(host, port, AuthScope.ANY_REALM);
    client.getState().setCredentials(scope, credentials);

    // Creates the method
    switch (type) {
    case GET:
        method = new GetMethod(wsUrl);
        break;
    case POST:
        PostMethod pm = new PostMethod(wsUrl);
        StringRequestEntity requestEntity = new StringRequestEntity(xmlParams);
        pm.setRequestEntity(requestEntity);
        method = pm;
        break;
    case PUT:
        PutMethod pm1 = new PutMethod(wsUrl);
        StringRequestEntity requestEntity1 = new StringRequestEntity(xmlParams);
        pm1.setRequestEntity(requestEntity1);
        method = pm1;
        break;
    case DELETE:
        method = new DeleteMethod(wsUrl);
        break;
    default:
        throw new IllegalArgumentException();
    }

    method.setRequestHeader("Accept", "text/xml");
    method.setDoAuthentication(true);

    try {
        // Executes the request
        client.executeMethod(method);

        // Parses the result
        String body = method.getResponseBodyAsString();
        if (Log.isDebugEnabled()) {
            Log.debug("Outgoing REST call results: " + body);
        }

        // Checks the http status
        if (method.getStatusCode() != 200) {
            if (method.getStatusCode() == 401) {
                throw new ConnectionException("Invalid password to connect to Clearspace.",
                        ConnectionException.ErrorType.AUTHENTICATION);
            } else if (method.getStatusCode() == 404) {
                throw new ConnectionException("Web service not found in Clearspace.",
                        ConnectionException.ErrorType.PAGE_NOT_FOUND);
            } else if (method.getStatusCode() == 503) {
                throw new ConnectionException("Web service not avaible in Clearspace.",
                        ConnectionException.ErrorType.SERVICE_NOT_AVAIBLE);
            } else {
                throw new ConnectionException(
                        "Error connecting to Clearspace, http status code: " + method.getStatusCode(),
                        new HTTPConnectionException(method.getStatusCode()),
                        ConnectionException.ErrorType.OTHER);
            }
        } else if (body.contains("Clearspace Upgrade Console")) {
            //TODO Change CS to send a more standard error message
            throw new ConnectionException("Clearspace is in an update state.",
                    ConnectionException.ErrorType.UPDATE_STATE);
        }

        Element response = localParser.get().parseDocument(body).getRootElement();

        // Check for exceptions
        checkFault(response);

        // Since there is no exception, returns the response
        return response;
    } catch (DocumentException e) {
        throw new ConnectionException("Error parsing the response of Clearspace.", e,
                ConnectionException.ErrorType.OTHER);
    } catch (HttpException e) {
        throw new ConnectionException("Error performing http request to Clearspace", e,
                ConnectionException.ErrorType.OTHER);
    } catch (UnknownHostException e) {
        throw new ConnectionException("Unknown Host " + getConnectionURI() + " trying to connect to Clearspace",
                e, ConnectionException.ErrorType.UNKNOWN_HOST);
    } catch (IOException e) {
        throw new ConnectionException("Error peforming http request to Clearspace.", e,
                ConnectionException.ErrorType.OTHER);
    } finally {
        method.releaseConnection();
    }
}

---

From source file:org.jivesoftware.openfire.crowd.CrowdManager.java

private CrowdManager() {
    try {//from w w w.ja v  a2 s .co m
        // loading crowd.properties file
        CrowdProperties crowdProps = new CrowdProperties();

        MultiThreadedHttpConnectionManager threadedConnectionManager = new MultiThreadedHttpConnectionManager();
        HttpClient hc = new HttpClient(threadedConnectionManager);

        HttpClientParams hcParams = hc.getParams();
        hcParams.setAuthenticationPreemptive(true);

        HttpConnectionManagerParams hcConnectionParams = hc.getHttpConnectionManager().getParams();
        hcConnectionParams.setDefaultMaxConnectionsPerHost(crowdProps.getHttpMaxConnections());
        hcConnectionParams.setMaxTotalConnections(crowdProps.getHttpMaxConnections());
        hcConnectionParams.setConnectionTimeout(crowdProps.getHttpConnectionTimeout());
        hcConnectionParams.setSoTimeout(crowdProps.getHttpSocketTimeout());

        crowdServer = new URI(crowdProps.getCrowdServerUrl()).resolve("rest/usermanagement/latest/");

        // setting BASIC authentication in place for connection with Crowd
        HttpState httpState = hc.getState();
        Credentials crowdCreds = new UsernamePasswordCredentials(crowdProps.getApplicationName(),
                crowdProps.getApplicationPassword());
        httpState.setCredentials(new AuthScope(crowdServer.getHost(), crowdServer.getPort()), crowdCreds);

        // setting Proxy config in place if needed
        if (StringUtils.isNotBlank(crowdProps.getHttpProxyHost()) && crowdProps.getHttpProxyPort() > 0) {
            hc.getHostConfiguration().setProxy(crowdProps.getHttpProxyHost(), crowdProps.getHttpProxyPort());

            if (StringUtils.isNotBlank(crowdProps.getHttpProxyUsername())
                    || StringUtils.isNotBlank(crowdProps.getHttpProxyPassword())) {
                Credentials proxyCreds = new UsernamePasswordCredentials(crowdProps.getHttpProxyUsername(),
                        crowdProps.getHttpProxyPassword());
                httpState.setProxyCredentials(
                        new AuthScope(crowdProps.getHttpProxyHost(), crowdProps.getHttpProxyPort()),
                        proxyCreds);
            }
        }

        if (LOG.isDebugEnabled()) {
            LOG.debug("HTTP Client config");
            LOG.debug(crowdServer.toString());
            LOG.debug("Max connections:" + hcConnectionParams.getMaxTotalConnections());
            LOG.debug("Socket timeout:" + hcConnectionParams.getSoTimeout());
            LOG.debug("Connect timeout:" + hcConnectionParams.getConnectionTimeout());
            LOG.debug("Proxy host:" + crowdProps.getHttpProxyHost() + ":" + crowdProps.getHttpProxyPort());
            LOG.debug("Crowd application name:" + crowdProps.getApplicationName());
        }

        client = hc;
    } catch (Exception e) {
        LOG.error("Failure to load the Crowd manager", e);
    }
}

---

From source file:org.josso.gl2.gateway.reverseproxy.ReverseProxyValve.java

/**
 * Intercepts Http request and redirects it to the configured SSO partner application.
 *
 * @param request The servlet request to be processed
 * @param response The servlet response to be created
 * @exception IOException if an input/output error occurs
 * @exception javax.servlet.ServletException if a servlet error occurs
 *///w  w  w. jav  a  2  s.c om
public int invoke(Request request, Response response) throws IOException, ServletException {

    if (debug >= 1)
        log("ReverseProxyValve Acting.");

    ProxyContextConfig[] contexts = _rpc.getProxyContexts();

    // Create an instance of HttpClient.
    HttpClient client = new HttpClient();

    HttpServletRequest hsr = (HttpServletRequest) request.getRequest();
    String uri = hsr.getRequestURI();

    String uriContext = null;

    StringTokenizer st = new StringTokenizer(uri.substring(1), "/");
    while (st.hasMoreTokens()) {
        String token = st.nextToken();
        uriContext = "/" + token;
        break;
    }

    if (uriContext == null)
        uriContext = uri;

    // Obtain the target host from the
    String proxyForwardHost = null;
    String proxyForwardUri = null;

    for (int i = 0; i < contexts.length; i++) {
        if (contexts[i].getContext().equals(uriContext)) {
            log("Proxy context mapped to host/uri: " + contexts[i].getForwardHost()
                    + contexts[i].getForwardUri());
            proxyForwardHost = contexts[i].getForwardHost();
            proxyForwardUri = contexts[i].getForwardUri();
            break;
        }
    }

    if (proxyForwardHost == null) {
        log("URI '" + uri + "' can't be mapped to host");
        //valveContext.invokeNext(request, response);
        return Valve.INVOKE_NEXT;
    }

    if (proxyForwardUri == null) {
        // trim the uri context before submitting the http request
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = uri.substring(uriTrailStartPos);
    } else {
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = proxyForwardUri + uri.substring(uriTrailStartPos);
    }

    // log ("Proxy request mapped to " + "http://" + proxyForwardHost + proxyForwardUri);

    HttpMethod method;

    // to be moved to a builder which instantiates and build concrete methods.
    if (hsr.getMethod().equals(METHOD_GET)) {
        // Create a method instance.
        HttpMethod getMethod = new GetMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = getMethod;
    } else if (hsr.getMethod().equals(METHOD_POST)) {
        // Create a method instance.
        PostMethod postMethod = new PostMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        postMethod.setRequestBody(hsr.getInputStream());
        method = postMethod;
    } else if (hsr.getMethod().equals(METHOD_HEAD)) {
        // Create a method instance.
        HeadMethod headMethod = new HeadMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = headMethod;
    } else if (hsr.getMethod().equals(METHOD_PUT)) {
        method = new PutMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
    } else
        throw new java.lang.UnsupportedOperationException("Unknown method : " + hsr.getMethod());

    // copy incoming http headers to reverse proxy request
    Enumeration hne = hsr.getHeaderNames();
    while (hne.hasMoreElements()) {
        String hn = (String) hne.nextElement();

        // Map the received host header to the target host name
        // so that the configured virtual domain can
        // do the proper handling.
        if (hn.equalsIgnoreCase("host")) {
            method.addRequestHeader("Host", proxyForwardHost);
            continue;
        }

        Enumeration hvals = hsr.getHeaders(hn);
        while (hvals.hasMoreElements()) {
            String hv = (String) hvals.nextElement();
            method.addRequestHeader(hn, hv);
        }
    }

    // Add Reverse-Proxy-Host header
    String reverseProxyHost = getReverseProxyHost(request);
    method.addRequestHeader(Constants.JOSSO_REVERSE_PROXY_HEADER, reverseProxyHost);

    if (debug >= 1)
        log("Sending " + Constants.JOSSO_REVERSE_PROXY_HEADER + " " + reverseProxyHost);

    // DO NOT follow redirects !
    method.setFollowRedirects(false);

    // By default the httpclient uses HTTP v1.1. We are downgrading it
    // to v1.0 so that the target server doesn't set a reply using chunked
    // transfer encoding which doesn't seem to be handled properly.
    // Check how to make chunked transfer encoding work.
    client.getParams().setVersion(new HttpVersion(1, 0));

    // Execute the method.
    int statusCode = -1;
    try {
        // execute the method.
        statusCode = client.executeMethod(method);
    } catch (HttpRecoverableException e) {
        log("A recoverable exception occurred " + e.getMessage());
    } catch (IOException e) {
        log("Failed to connect.");
        e.printStackTrace();
    }

    // Check that we didn't run out of retries.
    if (statusCode == -1) {
        log("Failed to recover from exception.");
    }

    // Read the response body.
    byte[] responseBody = method.getResponseBody();

    // Release the connection.
    method.releaseConnection();

    HttpServletResponse sres = (HttpServletResponse) response.getResponse();

    // First thing to do is to copy status code to response, otherwise
    // catalina will do it as soon as we set a header or some other part of the response.
    sres.setStatus(method.getStatusCode());

    // copy proxy response headers to client response
    Header[] responseHeaders = method.getResponseHeaders();
    for (int i = 0; i < responseHeaders.length; i++) {
        Header responseHeader = responseHeaders[i];
        String name = responseHeader.getName();
        String value = responseHeader.getValue();

        // Adjust the URL in the Location, Content-Location and URI headers on HTTP redirect responses
        // This is essential to avoid by-passing the reverse proxy because of HTTP redirects on the
        // backend servers which stay behind the reverse proxy
        switch (method.getStatusCode()) {
        case HttpStatus.SC_MOVED_TEMPORARILY:
        case HttpStatus.SC_MOVED_PERMANENTLY:
        case HttpStatus.SC_SEE_OTHER:
        case HttpStatus.SC_TEMPORARY_REDIRECT:

            if ("Location".equalsIgnoreCase(name) || "Content-Location".equalsIgnoreCase(name)
                    || "URI".equalsIgnoreCase(name)) {

                // Check that this redirect must be adjusted.
                if (value.indexOf(proxyForwardHost) >= 0) {
                    String trail = value.substring(proxyForwardHost.length());
                    value = getReverseProxyHost(request) + trail;
                    if (debug >= 1)
                        log("Adjusting redirect header to " + value);
                }
            }
            break;

        } //end of switch
        sres.addHeader(name, value);

    }

    // Sometimes this is null, when no body is returned ...
    if (responseBody != null && responseBody.length > 0)
        sres.getOutputStream().write(responseBody);

    sres.getOutputStream().flush();

    if (debug >= 1)
        log("ReverseProxyValve finished.");

    return Valve.END_PIPELINE;
}

---

From source file:org.josso.tc50.gateway.reverseproxy.ReverseProxyValve.java

/**
 * Intercepts Http request and redirects it to the configured SSO partner application.
 *
 * @param request The servlet request to be processed
 * @param response The servlet response to be created
 * @param valveContext The valve _context used to invoke the next valve
 *  in the current processing pipeline/*from w ww  .j a  v  a  2s.  co m*/
 * @exception IOException if an input/output error occurs
 * @exception javax.servlet.ServletException if a servlet error occurs
 */
public void invoke(Request request, Response response, ValveContext valveContext)
        throws IOException, javax.servlet.ServletException {

    if (debug >= 1)
        log("ReverseProxyValve Acting.");

    ProxyContextConfig[] contexts = _rpc.getProxyContexts();

    // Create an instance of HttpClient.
    HttpClient client = new HttpClient();

    HttpServletRequest hsr = (HttpServletRequest) request.getRequest();
    String uri = hsr.getRequestURI();

    String uriContext = null;

    StringTokenizer st = new StringTokenizer(uri.substring(1), "/");
    while (st.hasMoreTokens()) {
        String token = st.nextToken();
        uriContext = "/" + token;
        break;
    }

    if (uriContext == null)
        uriContext = uri;

    // Obtain the target host from the
    String proxyForwardHost = null;
    String proxyForwardUri = null;

    for (int i = 0; i < contexts.length; i++) {
        if (contexts[i].getContext().equals(uriContext)) {
            log("Proxy context mapped to host/uri: " + contexts[i].getForwardHost()
                    + contexts[i].getForwardUri());
            proxyForwardHost = contexts[i].getForwardHost();
            proxyForwardUri = contexts[i].getForwardUri();
            break;
        }
    }

    if (proxyForwardHost == null) {
        log("URI '" + uri + "' can't be mapped to host");
        valveContext.invokeNext(request, response);
        return;
    }

    if (proxyForwardUri == null) {
        // trim the uri context before submitting the http request
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = uri.substring(uriTrailStartPos);
    } else {
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = proxyForwardUri + uri.substring(uriTrailStartPos);
    }

    // log ("Proxy request mapped to " + "http://" + proxyForwardHost + proxyForwardUri);

    HttpMethod method;

    // to be moved to a builder which instantiates and build concrete methods.
    if (hsr.getMethod().equals(METHOD_GET)) {
        // Create a method instance.
        HttpMethod getMethod = new GetMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = getMethod;
    } else if (hsr.getMethod().equals(METHOD_POST)) {
        // Create a method instance.
        PostMethod postMethod = new PostMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        postMethod.setRequestBody(hsr.getInputStream());
        method = postMethod;
    } else if (hsr.getMethod().equals(METHOD_HEAD)) {
        // Create a method instance.
        HeadMethod headMethod = new HeadMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = headMethod;
    } else if (hsr.getMethod().equals(METHOD_PUT)) {
        method = new PutMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
    } else
        throw new java.lang.UnsupportedOperationException("Unknown method : " + hsr.getMethod());

    // copy incoming http headers to reverse proxy request
    Enumeration hne = hsr.getHeaderNames();
    while (hne.hasMoreElements()) {
        String hn = (String) hne.nextElement();

        // Map the received host header to the target host name
        // so that the configured virtual domain can
        // do the proper handling.
        if (hn.equalsIgnoreCase("host")) {
            method.addRequestHeader("Host", proxyForwardHost);
            continue;
        }

        Enumeration hvals = hsr.getHeaders(hn);
        while (hvals.hasMoreElements()) {
            String hv = (String) hvals.nextElement();
            method.addRequestHeader(hn, hv);
        }
    }

    // Add Reverse-Proxy-Host header
    String reverseProxyHost = getReverseProxyHost(request);
    method.addRequestHeader(Constants.JOSSO_REVERSE_PROXY_HEADER, reverseProxyHost);

    if (debug >= 1)
        log("Sending " + Constants.JOSSO_REVERSE_PROXY_HEADER + " " + reverseProxyHost);

    // DO NOT follow redirects !
    method.setFollowRedirects(false);

    // By default the httpclient uses HTTP v1.1. We are downgrading it
    // to v1.0 so that the target server doesn't set a reply using chunked
    // transfer encoding which doesn't seem to be handled properly.
    // Check how to make chunked transfer encoding work.
    client.getParams().setVersion(new HttpVersion(1, 0));

    // Execute the method.
    int statusCode = -1;
    try {
        // execute the method.
        statusCode = client.executeMethod(method);
    } catch (HttpRecoverableException e) {
        log("A recoverable exception occurred " + e.getMessage());
    } catch (IOException e) {
        log("Failed to connect.");
        e.printStackTrace();
    }

    // Check that we didn't run out of retries.
    if (statusCode == -1) {
        log("Failed to recover from exception.");
    }

    // Read the response body.
    byte[] responseBody = method.getResponseBody();

    // Release the connection.
    method.releaseConnection();

    HttpServletResponse sres = (HttpServletResponse) response.getResponse();

    // First thing to do is to copy status code to response, otherwise
    // catalina will do it as soon as we set a header or some other part of the response.
    sres.setStatus(method.getStatusCode());

    // copy proxy response headers to client response
    Header[] responseHeaders = method.getResponseHeaders();
    for (int i = 0; i < responseHeaders.length; i++) {
        Header responseHeader = responseHeaders[i];
        String name = responseHeader.getName();
        String value = responseHeader.getValue();

        // Adjust the URL in the Location, Content-Location and URI headers on HTTP redirect responses
        // This is essential to avoid by-passing the reverse proxy because of HTTP redirects on the
        // backend servers which stay behind the reverse proxy
        switch (method.getStatusCode()) {
        case HttpStatus.SC_MOVED_TEMPORARILY:
        case HttpStatus.SC_MOVED_PERMANENTLY:
        case HttpStatus.SC_SEE_OTHER:
        case HttpStatus.SC_TEMPORARY_REDIRECT:

            if ("Location".equalsIgnoreCase(name) || "Content-Location".equalsIgnoreCase(name)
                    || "URI".equalsIgnoreCase(name)) {

                // Check that this redirect must be adjusted.
                if (value.indexOf(proxyForwardHost) >= 0) {
                    String trail = value.substring(proxyForwardHost.length());
                    value = getReverseProxyHost(request) + trail;
                    if (debug >= 1)
                        log("Adjusting redirect header to " + value);
                }
            }
            break;

        } //end of switch
        sres.addHeader(name, value);

    }

    // Sometimes this is null, when no body is returned ...
    if (responseBody != null && responseBody.length > 0)
        sres.getOutputStream().write(responseBody);

    sres.getOutputStream().flush();

    if (debug >= 1)
        log("ReverseProxyValve finished.");

    return;
}

---

From source file:org.josso.tc55.gateway.reverseproxy.ReverseProxyValve.java

/**
 * Intercepts Http request and redirects it to the configured SSO partner application.
 *
 * @param request The servlet request to be processed
 * @param response The servlet response to be created
 *  in the current processing pipeline//from  w  w  w . ja  v a  2  s .  c  om
 * @exception IOException if an input/output error occurs
 * @exception javax.servlet.ServletException if a servlet error occurs
 */
public void invoke(Request request, Response response) throws IOException, javax.servlet.ServletException {

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("ReverseProxyValve Acting.");

    ProxyContextConfig[] contexts = _rpc.getProxyContexts();

    // Create an instance of HttpClient.
    HttpClient client = new HttpClient();

    HttpServletRequest hsr = (HttpServletRequest) request.getRequest();
    String uri = hsr.getRequestURI();

    String uriContext = null;

    StringTokenizer st = new StringTokenizer(uri.substring(1), "/");
    while (st.hasMoreTokens()) {
        String token = st.nextToken();
        uriContext = "/" + token;
        break;
    }

    if (uriContext == null)
        uriContext = uri;

    // Obtain the target host from the
    String proxyForwardHost = null;
    String proxyForwardUri = null;

    for (int i = 0; i < contexts.length; i++) {
        if (contexts[i].getContext().equals(uriContext)) {
            log("Proxy context mapped to host/uri: " + contexts[i].getForwardHost()
                    + contexts[i].getForwardUri());
            proxyForwardHost = contexts[i].getForwardHost();
            proxyForwardUri = contexts[i].getForwardUri();
            break;
        }
    }

    if (proxyForwardHost == null) {
        log("URI '" + uri + "' can't be mapped to host");
        getNext().invoke(request, response);
        return;
    }

    if (proxyForwardUri == null) {
        // trim the uri context before submitting the http request
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = uri.substring(uriTrailStartPos);
    } else {
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = proxyForwardUri + uri.substring(uriTrailStartPos);
    }

    // log ("Proxy request mapped to " + "http://" + proxyForwardHost + proxyForwardUri);

    HttpMethod method;

    // to be moved to a builder which instantiates and build concrete methods.
    if (hsr.getMethod().equals(METHOD_GET)) {
        // Create a method instance.
        HttpMethod getMethod = new GetMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = getMethod;
    } else if (hsr.getMethod().equals(METHOD_POST)) {
        // Create a method instance.
        PostMethod postMethod = new PostMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        postMethod.setRequestBody(hsr.getInputStream());
        method = postMethod;
    } else if (hsr.getMethod().equals(METHOD_HEAD)) {
        // Create a method instance.
        HeadMethod headMethod = new HeadMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = headMethod;
    } else if (hsr.getMethod().equals(METHOD_PUT)) {
        method = new PutMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
    } else
        throw new java.lang.UnsupportedOperationException("Unknown method : " + hsr.getMethod());

    // copy incoming http headers to reverse proxy request
    Enumeration hne = hsr.getHeaderNames();
    while (hne.hasMoreElements()) {
        String hn = (String) hne.nextElement();

        // Map the received host header to the target host name
        // so that the configured virtual domain can
        // do the proper handling.
        if (hn.equalsIgnoreCase("host")) {
            method.addRequestHeader("Host", proxyForwardHost);
            continue;
        }

        Enumeration hvals = hsr.getHeaders(hn);
        while (hvals.hasMoreElements()) {
            String hv = (String) hvals.nextElement();
            method.addRequestHeader(hn, hv);
        }
    }

    // Add Reverse-Proxy-Host header
    String reverseProxyHost = getReverseProxyHost(request);
    method.addRequestHeader(Constants.JOSSO_REVERSE_PROXY_HEADER, reverseProxyHost);

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("Sending " + Constants.JOSSO_REVERSE_PROXY_HEADER + " " + reverseProxyHost);

    // DO NOT follow redirects !
    method.setFollowRedirects(false);

    // By default the httpclient uses HTTP v1.1. We are downgrading it
    // to v1.0 so that the target server doesn't set a reply using chunked
    // transfer encoding which doesn't seem to be handled properly.
    // Check how to make chunked transfer encoding work.
    client.getParams().setVersion(new HttpVersion(1, 0));

    // Execute the method.
    int statusCode = -1;
    try {
        // execute the method.
        statusCode = client.executeMethod(method);
    } catch (HttpRecoverableException e) {
        log("A recoverable exception occurred " + e.getMessage());
    } catch (IOException e) {
        log("Failed to connect.");
        e.printStackTrace();
    }

    // Check that we didn't run out of retries.
    if (statusCode == -1) {
        log("Failed to recover from exception.");
    }

    // Read the response body.
    byte[] responseBody = method.getResponseBody();

    // Release the connection.
    method.releaseConnection();

    HttpServletResponse sres = (HttpServletResponse) response.getResponse();

    // First thing to do is to copy status code to response, otherwise
    // catalina will do it as soon as we set a header or some other part of the response.
    sres.setStatus(method.getStatusCode());

    // copy proxy response headers to client response
    Header[] responseHeaders = method.getResponseHeaders();
    for (int i = 0; i < responseHeaders.length; i++) {
        Header responseHeader = responseHeaders[i];
        String name = responseHeader.getName();
        String value = responseHeader.getValue();

        // Adjust the URL in the Location, Content-Location and URI headers on HTTP redirect responses
        // This is essential to avoid by-passing the reverse proxy because of HTTP redirects on the
        // backend servers which stay behind the reverse proxy
        switch (method.getStatusCode()) {
        case HttpStatus.SC_MOVED_TEMPORARILY:
        case HttpStatus.SC_MOVED_PERMANENTLY:
        case HttpStatus.SC_SEE_OTHER:
        case HttpStatus.SC_TEMPORARY_REDIRECT:

            if ("Location".equalsIgnoreCase(name) || "Content-Location".equalsIgnoreCase(name)
                    || "URI".equalsIgnoreCase(name)) {

                // Check that this redirect must be adjusted.
                if (value.indexOf(proxyForwardHost) >= 0) {
                    String trail = value.substring(proxyForwardHost.length());
                    value = getReverseProxyHost(request) + trail;
                    if (container.getLogger().isDebugEnabled())
                        container.getLogger().debug("Adjusting redirect header to " + value);
                }
            }
            break;

        } //end of switch
        sres.addHeader(name, value);

    }

    // Sometimes this is null, when no body is returned ...
    if (responseBody != null && responseBody.length > 0)
        sres.getOutputStream().write(responseBody);

    sres.getOutputStream().flush();

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("ReverseProxyValve finished.");

    return;
}

---

From source file:org.josso.tc60.gateway.reverseproxy.ReverseProxyValve.java

/**
 * Intercepts Http request and redirects it to the configured SSO partner application.
 *
 * @param request The servlet request to be processed
 * @param response The servlet response to be created
 *  in the current processing pipeline/*from  ww  w  .j  av a 2  s . c  o  m*/
 * @exception IOException if an input/output error occurs
 * @exception javax.servlet.ServletException if a servlet error occurs
 */
public void invoke(Request request, Response response) throws IOException, javax.servlet.ServletException {

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("ReverseProxyValve Acting.");

    ProxyContextConfig[] contexts = _rpc.getProxyContexts();

    // Create an instance of HttpClient.
    HttpClient client = new HttpClient();

    HttpServletRequest hsr = (HttpServletRequest) request.getRequest();
    String uri = hsr.getRequestURI();

    String uriContext = null;

    StringTokenizer st = new StringTokenizer(uri.substring(1), "/");
    while (st.hasMoreTokens()) {
        String token = st.nextToken();
        uriContext = "/" + token;
        break;
    }

    if (uriContext == null)
        uriContext = uri;

    // Obtain the target host from the
    String proxyForwardHost = null;
    String proxyForwardUri = null;

    for (int i = 0; i < contexts.length; i++) {
        if (contexts[i].getContext().equals(uriContext)) {
            log("Proxy context mapped to host/uri: " + contexts[i].getForwardHost()
                    + contexts[i].getForwardUri());
            proxyForwardHost = contexts[i].getForwardHost();
            proxyForwardUri = contexts[i].getForwardUri();
            break;
        }
    }

    if (proxyForwardHost == null) {
        log("URI '" + uri + "' can't be mapped to host");
        getNext().invoke(request, response);
        return;
    }

    if (proxyForwardUri == null) {
        // trim the uri context before submitting the http request
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = uri.substring(uriTrailStartPos);
    } else {
        int uriTrailStartPos = uri.substring(1).indexOf("/") + 1;
        proxyForwardUri = proxyForwardUri + uri.substring(uriTrailStartPos);
    }

    // log ("Proxy request mapped to " + "http://" + proxyForwardHost + proxyForwardUri);

    HttpMethod method;

    // to be moved to a builder which instantiates and build concrete methods.
    if (hsr.getMethod().equals(METHOD_GET)) {
        // Create a method instance.
        HttpMethod getMethod = new GetMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = getMethod;
    } else if (hsr.getMethod().equals(METHOD_POST)) {
        // Create a method instance.
        PostMethod postMethod = new PostMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        postMethod.setRequestBody(hsr.getInputStream());
        method = postMethod;
    } else if (hsr.getMethod().equals(METHOD_HEAD)) {
        // Create a method instance.
        HeadMethod headMethod = new HeadMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
        method = headMethod;
    } else if (hsr.getMethod().equals(METHOD_PUT)) {
        method = new PutMethod(proxyForwardHost + proxyForwardUri
                + (hsr.getQueryString() != null ? ("?" + hsr.getQueryString()) : ""));
    } else
        throw new java.lang.UnsupportedOperationException("Unknown method : " + hsr.getMethod());

    // copy incoming http headers to reverse proxy request
    Enumeration hne = hsr.getHeaderNames();
    while (hne.hasMoreElements()) {
        String hn = (String) hne.nextElement();

        // Map the received host header to the target host name
        // so that the configured virtual domain can
        // do the proper handling.
        if (hn.equalsIgnoreCase("host")) {
            method.addRequestHeader("Host", proxyForwardHost);
            continue;
        }

        Enumeration hvals = hsr.getHeaders(hn);
        while (hvals.hasMoreElements()) {
            String hv = (String) hvals.nextElement();
            method.addRequestHeader(hn, hv);
        }
    }

    // Add Reverse-Proxy-Host header
    String reverseProxyHost = getReverseProxyHost(request);
    method.addRequestHeader(Constants.JOSSO_REVERSE_PROXY_HEADER, reverseProxyHost);

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("Sending " + Constants.JOSSO_REVERSE_PROXY_HEADER + " " + reverseProxyHost);

    // DO NOT follow redirects !
    method.setFollowRedirects(false);

    // By default the httpclient uses HTTP v1.1. We are downgrading it
    // to v1.0 so that the target server doesn't set a reply using chunked
    // transfer encoding which doesn't seem to be handled properly.
    client.getParams().setVersion(new HttpVersion(1, 0));

    // Execute the method.
    int statusCode = -1;
    try {
        // execute the method.
        statusCode = client.executeMethod(method);
    } catch (HttpRecoverableException e) {
        log("A recoverable exception occurred " + e.getMessage());
    } catch (IOException e) {
        log("Failed to connect.");
        e.printStackTrace();
    }

    // Check that we didn't run out of retries.
    if (statusCode == -1) {
        log("Failed to recover from exception.");
    }

    // Read the response body.
    byte[] responseBody = method.getResponseBody();

    // Release the connection.
    method.releaseConnection();

    HttpServletResponse sres = (HttpServletResponse) response.getResponse();

    // First thing to do is to copy status code to response, otherwise
    // catalina will do it as soon as we set a header or some other part of the response.
    sres.setStatus(method.getStatusCode());

    // copy proxy response headers to client response
    Header[] responseHeaders = method.getResponseHeaders();
    for (int i = 0; i < responseHeaders.length; i++) {
        Header responseHeader = responseHeaders[i];
        String name = responseHeader.getName();
        String value = responseHeader.getValue();

        // Adjust the URL in the Location, Content-Location and URI headers on HTTP redirect responses
        // This is essential to avoid by-passing the reverse proxy because of HTTP redirects on the
        // backend servers which stay behind the reverse proxy
        switch (method.getStatusCode()) {
        case HttpStatus.SC_MOVED_TEMPORARILY:
        case HttpStatus.SC_MOVED_PERMANENTLY:
        case HttpStatus.SC_SEE_OTHER:
        case HttpStatus.SC_TEMPORARY_REDIRECT:

            if ("Location".equalsIgnoreCase(name) || "Content-Location".equalsIgnoreCase(name)
                    || "URI".equalsIgnoreCase(name)) {

                // Check that this redirect must be adjusted.
                if (value.indexOf(proxyForwardHost) >= 0) {
                    String trail = value.substring(proxyForwardHost.length());
                    value = getReverseProxyHost(request) + trail;
                    if (container.getLogger().isDebugEnabled())
                        container.getLogger().debug("Adjusting redirect header to " + value);
                }
            }
            break;

        } //end of switch
        sres.addHeader(name, value);

    }

    // Sometimes this is null, when no body is returned ...
    if (responseBody != null && responseBody.length > 0)
        sres.getOutputStream().write(responseBody);

    sres.getOutputStream().flush();

    if (container.getLogger().isDebugEnabled())
        container.getLogger().debug("ReverseProxyValve finished.");

    return;
}

---

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