Example usage for org.apache.commons.httpclient HttpMethod getResponseHeaders

List of usage examples for org.apache.commons.httpclient HttpMethod getResponseHeaders

Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpMethod getResponseHeaders.

Prototype

public abstract Header[] getResponseHeaders();

Source Link

Usage

From source file:com.sourcesense.confluence.servlets.CMISProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link HttpServletResponse}
 *
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse    An object by which we can send the proxied
 *                               response back to the client
 * @param httpServletRequest Request object pertaining to the proxied HTTP request
 * @throws IOException      Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException Can be thrown to indicate that another error has occurred
 *///from   ww w.j a v  a  2s  . co  m
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {
    // Create a default HttpClient
    HttpClient httpClient = new HttpClient();
    getCredential(httpServletRequest.getParameter("servername"));
    if (credentials != null) {
        httpClient.getParams().setAuthenticationPreemptive(true);
        httpClient.getState().setCredentials(AuthScope.ANY, credentials);
    }
    httpMethodProxyRequest.setFollowRedirects(true);
    // Execute the request
    int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    String response = httpMethodProxyRequest.getResponseBodyAsString();

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES
            /* 300 */ && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + STRING_LOCATION_HEADER + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        if (followRedirects) {
            if (stringLocation.contains("jsessionid")) {
                Cookie cookie = new Cookie("JSESSIONID",
                        stringLocation.substring(stringLocation.indexOf("jsessionid=") + 11));
                cookie.setPath("/");
                httpServletResponse.addCookie(cookie);
                //debug("redirecting: set jessionid (" + cookie.getValue() + ") cookie from URL");
            } else if (httpMethodProxyRequest.getResponseHeader("Set-Cookie") != null) {
                Header header = httpMethodProxyRequest.getResponseHeader("Set-Cookie");
                String[] cookieDetails = header.getValue().split(";");
                String[] nameValue = cookieDetails[0].split("=");

                Cookie cookie = new Cookie(nameValue[0], nameValue[1]);
                cookie.setPath("/");
                //debug("redirecting: setting cookie: " + cookie.getName() + ":" + cookie.getValue() + " on " + cookie.getPath());
                httpServletResponse.addCookie(cookie);
            }
            httpServletResponse.sendRedirect(stringLocation
                    .replace(getProxyHostAndPort(httpServletRequest) + this.getProxyPath(), stringMyHostName));
            return;
        }
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling.  See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (header.getName().equals("Transfer-Encoding") && header.getValue().equals("chunked")
                || header.getName().equals("Content-Encoding") && header.getValue().equals("gzip") || // don't copy gzip header
                header.getName().equals("WWW-Authenticate")) { // don't copy WWW-Authenticate header so browser doesn't prompt on failed basic auth
            // proxy servlet does not support chunked encoding
        } else {
            httpServletResponse.setHeader(header.getName(), header.getValue());
        }
    }

    List<Header> responseHeaders = Arrays.asList(headerArrayResponse);

    if (isBodyParameterGzipped(responseHeaders)) {
        debug("GZipped: true");
        if (!followRedirects && intProxyResponseCode == HttpServletResponse.SC_MOVED_TEMPORARILY) {
            response = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
            httpServletResponse.setStatus(HttpServletResponse.SC_OK);
            intProxyResponseCode = HttpServletResponse.SC_OK;
            httpServletResponse.setHeader(STRING_LOCATION_HEADER, response);
        } else {
            response = new String(ungzip(httpMethodProxyRequest.getResponseBody()));
        }
        httpServletResponse.setContentLength(response.length());
    }

    // Send the content to the client
    if (intProxyResponseCode == 200)
        httpServletResponse.getWriter().write(response);
    else
        httpServletResponse.getWriter().write(intProxyResponseCode);
}

From source file:it.geosolutions.httpproxy.HTTPProxy.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response back to the client via the given {@link HttpServletResponse}
 * /*from   www  .j av  a  2s  .c  om*/
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse An object by which we can send the proxied response back to the client
 * @param digest
 * @throws IOException Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException Can be thrown to indicate that another error has occurred
 */
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse, String user, String password, ProxyInfo proxyInfo)
        throws IOException, ServletException {

    if (user != null && password != null) {
        UsernamePasswordCredentials upc = new UsernamePasswordCredentials(user, password);
        httpClient.getState().setCredentials(AuthScope.ANY, upc);
    }

    httpMethodProxyRequest.setFollowRedirects(false);

    InputStream inputStreamServerResponse = null;
    ByteArrayOutputStream baos = null;

    try {

        // //////////////////////////
        // Execute the request
        // //////////////////////////

        int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);

        onRemoteResponse(httpMethodProxyRequest);

        // ////////////////////////////////////////////////////////////////////////////////
        // Check if the proxy response is a redirect
        // The following code is adapted from
        // org.tigris.noodle.filters.CheckForRedirect
        // Hooray for open source software
        // ////////////////////////////////////////////////////////////////////////////////

        if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
                && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {

            String stringStatusCode = Integer.toString(intProxyResponseCode);
            String stringLocation = httpMethodProxyRequest.getResponseHeader(Utils.LOCATION_HEADER).getValue();

            if (stringLocation == null) {
                throw new ServletException("Recieved status code: " + stringStatusCode + " but no "
                        + Utils.LOCATION_HEADER + " header was found in the response");
            }

            // /////////////////////////////////////////////
            // Modify the redirect to go to this proxy
            // servlet rather that the proxied host
            // /////////////////////////////////////////////

            String stringMyHostName = httpServletRequest.getServerName();

            if (httpServletRequest.getServerPort() != 80) {
                stringMyHostName += ":" + httpServletRequest.getServerPort();
            }

            stringMyHostName += httpServletRequest.getContextPath();
            httpServletResponse.sendRedirect(stringLocation.replace(
                    Utils.getProxyHostAndPort(proxyInfo) + proxyInfo.getProxyPath(), stringMyHostName));

            return;

        } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {

            // ///////////////////////////////////////////////////////////////
            // 304 needs special handling. See:
            // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
            // We get a 304 whenever passed an 'If-Modified-Since'
            // header and the data on disk has not changed; server
            // responds w/ a 304 saying I'm not going to send the
            // body because the file has not changed.
            // ///////////////////////////////////////////////////////////////

            httpServletResponse.setIntHeader(Utils.CONTENT_LENGTH_HEADER_NAME, 0);
            httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);

            return;
        }

        // /////////////////////////////////////////////
        // Pass the response code back to the client
        // /////////////////////////////////////////////

        httpServletResponse.setStatus(intProxyResponseCode);

        // /////////////////////////////////////////////
        // Pass response headers back to the client
        // /////////////////////////////////////////////

        Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();

        for (Header header : headerArrayResponse) {

            // /////////////////////////
            // Skip GZIP Responses
            // /////////////////////////

            if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_ACCEPT_ENCODING)
                    && header.getValue().toLowerCase().contains("gzip"))
                continue;
            else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_CONTENT_ENCODING)
                    && header.getValue().toLowerCase().contains("gzip"))
                continue;
            else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_TRANSFER_ENCODING))
                continue;
            //                else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_WWW_AUTHENTICATE))
            //                    continue;                
            else
                httpServletResponse.setHeader(header.getName(), header.getValue());
        }

        // ///////////////////////////////////
        // Send the content to the client
        // ///////////////////////////////////

        inputStreamServerResponse = httpMethodProxyRequest.getResponseBodyAsStream();

        if (inputStreamServerResponse != null) {
            byte[] b = new byte[proxyConfig.getDefaultStreamByteSize()];

            baos = new ByteArrayOutputStream(b.length);

            int read = 0;
            while ((read = inputStreamServerResponse.read(b)) > 0) {
                baos.write(b, 0, read);
                baos.flush();
            }

            baos.writeTo(httpServletResponse.getOutputStream());
        }

    } catch (HttpException e) {
        if (LOGGER.isLoggable(Level.SEVERE))
            LOGGER.log(Level.SEVERE, "Error executing HTTP method ", e);
    } finally {
        try {
            if (inputStreamServerResponse != null)
                inputStreamServerResponse.close();
        } catch (IOException e) {
            if (LOGGER.isLoggable(Level.SEVERE))
                LOGGER.log(Level.SEVERE, "Error closing request input stream ", e);
            throw new ServletException(e.getMessage());
        }

        try {
            if (baos != null) {
                baos.flush();
                baos.close();
            }
        } catch (IOException e) {
            if (LOGGER.isLoggable(Level.SEVERE))
                LOGGER.log(Level.SEVERE, "Error closing response stream ", e);
            throw new ServletException(e.getMessage());
        }

        httpMethodProxyRequest.releaseConnection();
    }
}

From source file:com.zimbra.cs.zimlet.ProxyServlet.java

private void doProxy(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    ZimbraLog.clearContext();/*w w w .ja  va 2  s. co  m*/
    boolean isAdmin = isAdminRequest(req);
    AuthToken authToken = isAdmin ? getAdminAuthTokenFromCookie(req, resp, true)
            : getAuthTokenFromCookie(req, resp, true);
    if (authToken == null) {
        String zAuthToken = req.getParameter(QP_ZAUTHTOKEN);
        if (zAuthToken != null) {
            try {
                authToken = AuthProvider.getAuthToken(zAuthToken);
                if (authToken.isExpired()) {
                    resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, "authtoken expired");
                    return;
                }
                if (!authToken.isRegistered()) {
                    resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, "authtoken is invalid");
                    return;
                }
                if (isAdmin && !authToken.isAdmin()) {
                    resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, "permission denied");
                    return;
                }
            } catch (AuthTokenException e) {
                resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, "unable to parse authtoken");
                return;
            }
        }
    }
    if (authToken == null) {
        resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, "no authtoken cookie");
        return;
    }

    // get the posted body before the server read and parse them.
    byte[] body = copyPostedData(req);

    // sanity check
    String target = req.getParameter(TARGET_PARAM);
    if (target == null) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }

    // check for permission
    URL url = new URL(target);
    if (!isAdmin && !checkPermissionOnTarget(url, authToken)) {
        resp.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    // determine whether to return the target inline or store it as an upload
    String uploadParam = req.getParameter(UPLOAD_PARAM);
    boolean asUpload = uploadParam != null && (uploadParam.equals("1") || uploadParam.equalsIgnoreCase("true"));

    HttpMethod method = null;
    try {
        HttpClient client = ZimbraHttpConnectionManager.getExternalHttpConnMgr().newHttpClient();
        HttpProxyUtil.configureProxy(client);
        String reqMethod = req.getMethod();
        if (reqMethod.equalsIgnoreCase("GET")) {
            method = new GetMethod(target);
        } else if (reqMethod.equalsIgnoreCase("POST")) {
            PostMethod post = new PostMethod(target);
            if (body != null)
                post.setRequestEntity(new ByteArrayRequestEntity(body, req.getContentType()));
            method = post;
        } else if (reqMethod.equalsIgnoreCase("PUT")) {
            PutMethod put = new PutMethod(target);
            if (body != null)
                put.setRequestEntity(new ByteArrayRequestEntity(body, req.getContentType()));
            method = put;
        } else if (reqMethod.equalsIgnoreCase("DELETE")) {
            method = new DeleteMethod(target);
        } else {
            ZimbraLog.zimlet.info("unsupported request method: " + reqMethod);
            resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }

        // handle basic auth
        String auth, user, pass;
        auth = req.getParameter(AUTH_PARAM);
        user = req.getParameter(USER_PARAM);
        pass = req.getParameter(PASS_PARAM);
        if (auth != null && user != null && pass != null) {
            if (!auth.equals(AUTH_BASIC)) {
                ZimbraLog.zimlet.info("unsupported auth type: " + auth);
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
                return;
            }
            HttpState state = new HttpState();
            state.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(user, pass));
            client.setState(state);
            method.setDoAuthentication(true);
        }

        Enumeration headers = req.getHeaderNames();
        while (headers.hasMoreElements()) {
            String hdr = (String) headers.nextElement();
            ZimbraLog.zimlet.debug("incoming: " + hdr + ": " + req.getHeader(hdr));
            if (canProxyHeader(hdr)) {
                ZimbraLog.zimlet.debug("outgoing: " + hdr + ": " + req.getHeader(hdr));
                if (hdr.equalsIgnoreCase("x-host"))
                    method.getParams().setVirtualHost(req.getHeader(hdr));
                else
                    method.addRequestHeader(hdr, req.getHeader(hdr));
            }
        }

        try {
            if (!(reqMethod.equalsIgnoreCase("POST") || reqMethod.equalsIgnoreCase("PUT"))) {
                method.setFollowRedirects(true);
            }
            HttpClientUtil.executeMethod(client, method);
        } catch (HttpException ex) {
            ZimbraLog.zimlet.info("exception while proxying " + target, ex);
            resp.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        int status = method.getStatusLine() == null ? HttpServletResponse.SC_INTERNAL_SERVER_ERROR
                : method.getStatusCode();

        // workaround for Alexa Thumbnails paid web service, which doesn't bother to return a content-type line
        Header ctHeader = method.getResponseHeader("Content-Type");
        String contentType = ctHeader == null || ctHeader.getValue() == null ? DEFAULT_CTYPE
                : ctHeader.getValue();

        InputStream targetResponseBody = method.getResponseBodyAsStream();

        if (asUpload) {
            String filename = req.getParameter(FILENAME_PARAM);
            if (filename == null || filename.equals(""))
                filename = new ContentType(contentType).getParameter("name");
            if ((filename == null || filename.equals(""))
                    && method.getResponseHeader("Content-Disposition") != null)
                filename = new ContentDisposition(method.getResponseHeader("Content-Disposition").getValue())
                        .getParameter("filename");
            if (filename == null || filename.equals(""))
                filename = "unknown";

            List<Upload> uploads = null;

            if (targetResponseBody != null) {
                try {
                    Upload up = FileUploadServlet.saveUpload(targetResponseBody, filename, contentType,
                            authToken.getAccountId());
                    uploads = Arrays.asList(up);
                } catch (ServiceException e) {
                    if (e.getCode().equals(MailServiceException.UPLOAD_REJECTED))
                        status = HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE;
                    else
                        status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
                }
            }

            resp.setStatus(status);
            FileUploadServlet.sendResponse(resp, status, req.getParameter(FORMAT_PARAM), null, uploads, null);
        } else {
            resp.setStatus(status);
            resp.setContentType(contentType);
            for (Header h : method.getResponseHeaders())
                if (canProxyHeader(h.getName()))
                    resp.addHeader(h.getName(), h.getValue());
            if (targetResponseBody != null)
                ByteUtil.copy(targetResponseBody, true, resp.getOutputStream(), true);
        }
    } finally {
        if (method != null)
            method.releaseConnection();
    }
}

From source file:com.liferay.portal.util.HttpImpl.java

protected byte[] URLtoByteArray(String location, Http.Method method, Map<String, String> headers,
        Cookie[] cookies, Http.Auth auth, Http.Body body, List<Http.FilePart> fileParts,
        Map<String, String> parts, Http.Response response, boolean followRedirects) throws IOException {

    byte[] bytes = null;

    HttpMethod httpMethod = null;
    HttpState httpState = null;/*from  www.  j  a v a  2  s .  co  m*/

    try {
        _cookies.set(null);

        if (location == null) {
            return null;
        } else if (!location.startsWith(Http.HTTP_WITH_SLASH) && !location.startsWith(Http.HTTPS_WITH_SLASH)) {

            location = Http.HTTP_WITH_SLASH + location;
        }

        HostConfiguration hostConfiguration = getHostConfiguration(location);

        HttpClient httpClient = getClient(hostConfiguration);

        if (method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) {

            if (method.equals(Http.Method.POST)) {
                httpMethod = new PostMethod(location);
            } else {
                httpMethod = new PutMethod(location);
            }

            if (body != null) {
                RequestEntity requestEntity = new StringRequestEntity(body.getContent(), body.getContentType(),
                        body.getCharset());

                EntityEnclosingMethod entityEnclosingMethod = (EntityEnclosingMethod) httpMethod;

                entityEnclosingMethod.setRequestEntity(requestEntity);
            } else if (method.equals(Http.Method.POST)) {
                PostMethod postMethod = (PostMethod) httpMethod;

                processPostMethod(postMethod, fileParts, parts);
            }
        } else if (method.equals(Http.Method.DELETE)) {
            httpMethod = new DeleteMethod(location);
        } else if (method.equals(Http.Method.HEAD)) {
            httpMethod = new HeadMethod(location);
        } else {
            httpMethod = new GetMethod(location);
        }

        if (headers != null) {
            for (Map.Entry<String, String> header : headers.entrySet()) {
                httpMethod.addRequestHeader(header.getKey(), header.getValue());
            }
        }

        if ((method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) && ((body != null)
                || ((fileParts != null) && !fileParts.isEmpty()) | ((parts != null) && !parts.isEmpty()))) {
        } else if (!hasRequestHeader(httpMethod, HttpHeaders.CONTENT_TYPE)) {
            httpMethod.addRequestHeader(HttpHeaders.CONTENT_TYPE,
                    ContentTypes.APPLICATION_X_WWW_FORM_URLENCODED);
        }

        if (!hasRequestHeader(httpMethod, HttpHeaders.USER_AGENT)) {
            httpMethod.addRequestHeader(HttpHeaders.USER_AGENT, _DEFAULT_USER_AGENT);
        }

        httpState = new HttpState();

        if ((cookies != null) && (cookies.length > 0)) {
            org.apache.commons.httpclient.Cookie[] commonsCookies = toCommonsCookies(cookies);

            httpState.addCookies(commonsCookies);

            HttpMethodParams httpMethodParams = httpMethod.getParams();

            httpMethodParams.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
        }

        if (auth != null) {
            httpMethod.setDoAuthentication(true);

            httpState.setCredentials(new AuthScope(auth.getHost(), auth.getPort(), auth.getRealm()),
                    new UsernamePasswordCredentials(auth.getUsername(), auth.getPassword()));
        }

        proxifyState(httpState, hostConfiguration);

        httpClient.executeMethod(hostConfiguration, httpMethod, httpState);

        Header locationHeader = httpMethod.getResponseHeader("location");

        if ((locationHeader != null) && !locationHeader.equals(location)) {
            String redirect = locationHeader.getValue();

            if (followRedirects) {
                return URLtoByteArray(redirect, Http.Method.GET, headers, cookies, auth, body, fileParts, parts,
                        response, followRedirects);
            } else {
                response.setRedirect(redirect);
            }
        }

        InputStream inputStream = httpMethod.getResponseBodyAsStream();

        if (inputStream != null) {
            Header contentLength = httpMethod.getResponseHeader(HttpHeaders.CONTENT_LENGTH);

            if (contentLength != null) {
                response.setContentLength(GetterUtil.getInteger(contentLength.getValue()));
            }

            Header contentType = httpMethod.getResponseHeader(HttpHeaders.CONTENT_TYPE);

            if (contentType != null) {
                response.setContentType(contentType.getValue());
            }

            bytes = FileUtil.getBytes(inputStream);
        }

        for (Header header : httpMethod.getResponseHeaders()) {
            response.addHeader(header.getName(), header.getValue());
        }

        return bytes;
    } finally {
        try {
            if (httpState != null) {
                _cookies.set(toServletCookies(httpState.getCookies()));
            }
        } catch (Exception e) {
            _log.error(e, e);
        }

        try {
            if (httpMethod != null) {
                httpMethod.releaseConnection();
            }
        } catch (Exception e) {
            _log.error(e, e);
        }
    }
}

From source file:com.twelve.capital.external.feed.util.HttpImpl.java

protected byte[] URLtoByteArray(String location, Http.Method method, Map<String, String> headers,
        Cookie[] cookies, Http.Auth auth, Http.Body body, List<Http.FilePart> fileParts,
        Map<String, String> parts, Http.Response response, boolean followRedirects, String progressId,
        PortletRequest portletRequest) throws IOException {

    byte[] bytes = null;

    HttpMethod httpMethod = null;
    HttpState httpState = null;/*ww w  .j  a v  a  2 s  .  c o m*/

    try {
        _cookies.set(null);

        if (location == null) {
            return null;
        } else if (!location.startsWith(Http.HTTP_WITH_SLASH) && !location.startsWith(Http.HTTPS_WITH_SLASH)) {

            location = Http.HTTP_WITH_SLASH + location;
        }

        HostConfiguration hostConfiguration = getHostConfiguration(location);

        HttpClient httpClient = getClient(hostConfiguration);

        if (method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) {

            if (method.equals(Http.Method.POST)) {
                httpMethod = new PostMethod(location);
            } else {
                httpMethod = new PutMethod(location);
            }

            if (body != null) {
                RequestEntity requestEntity = new StringRequestEntity(body.getContent(), body.getContentType(),
                        body.getCharset());

                EntityEnclosingMethod entityEnclosingMethod = (EntityEnclosingMethod) httpMethod;

                entityEnclosingMethod.setRequestEntity(requestEntity);
            } else if (method.equals(Http.Method.POST)) {
                PostMethod postMethod = (PostMethod) httpMethod;

                if (!hasRequestHeader(postMethod, HttpHeaders.CONTENT_TYPE)) {

                    HttpClientParams httpClientParams = httpClient.getParams();

                    httpClientParams.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, StringPool.UTF8);
                }

                processPostMethod(postMethod, fileParts, parts);
            }
        } else if (method.equals(Http.Method.DELETE)) {
            httpMethod = new DeleteMethod(location);
        } else if (method.equals(Http.Method.HEAD)) {
            httpMethod = new HeadMethod(location);
        } else {
            httpMethod = new GetMethod(location);
        }

        if (headers != null) {
            for (Map.Entry<String, String> header : headers.entrySet()) {
                httpMethod.addRequestHeader(header.getKey(), header.getValue());
            }
        }

        if ((method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) && ((body != null)
                || ((fileParts != null) && !fileParts.isEmpty()) || ((parts != null) && !parts.isEmpty()))) {
        } else if (!hasRequestHeader(httpMethod, HttpHeaders.CONTENT_TYPE)) {
            httpMethod.addRequestHeader(HttpHeaders.CONTENT_TYPE,
                    ContentTypes.APPLICATION_X_WWW_FORM_URLENCODED_UTF8);
        }

        if (!hasRequestHeader(httpMethod, HttpHeaders.USER_AGENT)) {
            httpMethod.addRequestHeader(HttpHeaders.USER_AGENT, _DEFAULT_USER_AGENT);
        }

        httpState = new HttpState();

        if (ArrayUtil.isNotEmpty(cookies)) {
            org.apache.commons.httpclient.Cookie[] commonsCookies = toCommonsCookies(cookies);

            httpState.addCookies(commonsCookies);

            HttpMethodParams httpMethodParams = httpMethod.getParams();

            httpMethodParams.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
        }

        if (auth != null) {
            httpMethod.setDoAuthentication(true);

            httpState.setCredentials(new AuthScope(auth.getHost(), auth.getPort(), auth.getRealm()),
                    new UsernamePasswordCredentials(auth.getUsername(), auth.getPassword()));
        }

        proxifyState(httpState, hostConfiguration);

        int responseCode = httpClient.executeMethod(hostConfiguration, httpMethod, httpState);

        response.setResponseCode(responseCode);

        Header locationHeader = httpMethod.getResponseHeader("location");

        if ((locationHeader != null) && !locationHeader.equals(location)) {
            String redirect = locationHeader.getValue();

            if (followRedirects) {
                return URLtoByteArray(redirect, Http.Method.GET, headers, cookies, auth, body, fileParts, parts,
                        response, followRedirects, progressId, portletRequest);
            } else {
                response.setRedirect(redirect);
            }
        }

        InputStream inputStream = httpMethod.getResponseBodyAsStream();

        if (inputStream != null) {
            int contentLength = 0;

            Header contentLengthHeader = httpMethod.getResponseHeader(HttpHeaders.CONTENT_LENGTH);

            if (contentLengthHeader != null) {
                contentLength = GetterUtil.getInteger(contentLengthHeader.getValue());

                response.setContentLength(contentLength);
            }

            Header contentType = httpMethod.getResponseHeader(HttpHeaders.CONTENT_TYPE);

            if (contentType != null) {
                response.setContentType(contentType.getValue());
            }

            if (Validator.isNotNull(progressId) && (portletRequest != null)) {

                ProgressInputStream progressInputStream = new ProgressInputStream(portletRequest, inputStream,
                        contentLength, progressId);

                UnsyncByteArrayOutputStream unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream(
                        contentLength);

                try {
                    progressInputStream.readAll(unsyncByteArrayOutputStream);
                } finally {
                    progressInputStream.clearProgress();
                }

                bytes = unsyncByteArrayOutputStream.unsafeGetByteArray();

                unsyncByteArrayOutputStream.close();
            } else {
                bytes = FileUtil.getBytes(inputStream);
            }
        }

        for (Header header : httpMethod.getResponseHeaders()) {
            response.addHeader(header.getName(), header.getValue());
        }

        return bytes;
    } finally {
        try {
            if (httpState != null) {
                _cookies.set(toServletCookies(httpState.getCookies()));
            }
        } catch (Exception e) {
            _log.error(e, e);
        }

        try {
            if (httpMethod != null) {
                httpMethod.releaseConnection();
            }
        } catch (Exception e) {
            _log.error(e, e);
        }
    }
}

From source file:com.twinsoft.convertigo.engine.servlets.ReverseProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link HttpServletResponse}
 * //w ww . j  a  v  a  2 s . c o  m
 * @param httpMethodProxyRequest
 *            An object representing the proxy request to be made
 * @param httpServletResponse
 *            An object by which we can send the proxied response back to
 *            the client
 * @throws IOException
 *             Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException
 *             Can be thrown to indicate that another error has occurred
 * @throws EngineException
 */
private void doRequest(HttpMethodType httpMethodType, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {
    try {
        Engine.logEngine.debug("(ReverseProxyServlet) Starting request handling");

        if (Boolean.parseBoolean(EnginePropertiesManager.getProperty(PropertyName.SSL_DEBUG))) {
            System.setProperty("javax.net.debug", "all");
            Engine.logEngine.trace("(ReverseProxyServlet) Enabling SSL debug mode");
        } else {
            System.setProperty("javax.net.debug", "");
            Engine.logEngine.debug("(ReverseProxyServlet) Disabling SSL debug mode");
        }

        String baseUrl;
        String projectName;
        String connectorName;
        String contextName;
        String extraPath;

        {
            String requestURI = httpServletRequest.getRequestURI();
            Engine.logEngine.trace("(ReverseProxyServlet) Requested URI : " + requestURI);
            Matcher m = reg_fields.matcher(requestURI);
            if (m.matches() && m.groupCount() >= 5) {
                baseUrl = m.group(1);
                projectName = m.group(2);
                connectorName = m.group(3);
                contextName = m.group(4);
                extraPath = m.group(5);
            } else {
                throw new MalformedURLException(
                        "The request doesn't contains needed fields : projectName, connectorName and contextName");
            }
        }

        String sessionID = httpServletRequest.getSession().getId();

        Engine.logEngine.debug("(ReverseProxyServlet) baseUrl : " + baseUrl + " ; projectName : " + projectName
                + " ; connectorName : " + connectorName + " ; contextName : " + contextName + " ; extraPath : "
                + extraPath + " ; sessionID : " + sessionID);

        Context context = Engine.theApp.contextManager.get(null, contextName, sessionID, null, projectName,
                connectorName, null);

        Project project = Engine.theApp.databaseObjectsManager.getProjectByName(projectName);
        context.projectName = projectName;
        context.project = project;

        ProxyHttpConnector proxyHttpConnector = (ProxyHttpConnector) project.getConnectorByName(connectorName);
        context.connector = proxyHttpConnector;
        context.connectorName = proxyHttpConnector.getName();

        HostConfiguration hostConfiguration = proxyHttpConnector.hostConfiguration;

        // Proxy configuration
        String proxyServer = Engine.theApp.proxyManager.getProxyServer();
        String proxyUser = Engine.theApp.proxyManager.getProxyUser();
        String proxyPassword = Engine.theApp.proxyManager.getProxyPassword();
        int proxyPort = Engine.theApp.proxyManager.getProxyPort();

        if (!proxyServer.equals("")) {
            hostConfiguration.setProxy(proxyServer, proxyPort);
            Engine.logEngine.debug("(ReverseProxyServlet) Using proxy: " + proxyServer + ":" + proxyPort);
        } else {
            // Remove old proxy configuration
            hostConfiguration.setProxyHost(null);
        }

        String targetHost = proxyHttpConnector.getServer();
        Engine.logEngine.debug("(ReverseProxyServlet) Target host: " + targetHost);
        int targetPort = proxyHttpConnector.getPort();
        Engine.logEngine.debug("(ReverseProxyServlet) Target port: " + targetPort);

        // Configuration SSL
        Engine.logEngine.debug("(ReverseProxyServlet) Https: " + proxyHttpConnector.isHttps());
        CertificateManager certificateManager = proxyHttpConnector.certificateManager;
        boolean trustAllServerCertificates = proxyHttpConnector.isTrustAllServerCertificates();

        if (proxyHttpConnector.isHttps()) {
            Engine.logEngine.debug("(ReverseProxyServlet) Setting up SSL properties");
            certificateManager.collectStoreInformation(context);

            Engine.logEngine.debug(
                    "(ReverseProxyServlet) CertificateManager has changed: " + certificateManager.hasChanged);
            if (certificateManager.hasChanged || (!targetHost.equalsIgnoreCase(hostConfiguration.getHost()))
                    || (hostConfiguration.getPort() != targetPort)) {
                Engine.logEngine
                        .debug("(ReverseProxyServlet) Using MySSLSocketFactory for creating the SSL socket");
                Protocol myhttps = new Protocol("https",
                        MySSLSocketFactory.getSSLSocketFactory(certificateManager.keyStore,
                                certificateManager.keyStorePassword, certificateManager.trustStore,
                                certificateManager.trustStorePassword, trustAllServerCertificates),
                        targetPort);

                hostConfiguration.setHost(targetHost, targetPort, myhttps);
            }

            Engine.logEngine.debug("(ReverseProxyServlet) Updated host configuration for SSL purposes");
        } else {
            hostConfiguration.setHost(targetHost, targetPort);
        }

        HttpMethod httpMethodProxyRequest;

        String targetPath = proxyHttpConnector.getBaseDir() + extraPath;

        // Handle the query string
        if (httpServletRequest.getQueryString() != null) {
            targetPath += "?" + httpServletRequest.getQueryString();
        }
        Engine.logEngine.debug("(ReverseProxyServlet) Target path: " + targetPath);

        Engine.logEngine.debug("(ReverseProxyServlet) Requested method: " + httpMethodType);

        if (httpMethodType == HttpMethodType.GET) {
            // Create a GET request
            httpMethodProxyRequest = new GetMethod();
        } else if (httpMethodType == HttpMethodType.POST) {
            // Create a standard POST request
            httpMethodProxyRequest = new PostMethod();
            ((PostMethod) httpMethodProxyRequest)
                    .setRequestEntity(new InputStreamRequestEntity(httpServletRequest.getInputStream()));
        } else {
            throw new IllegalArgumentException("Unknown HTTP method: " + httpMethodType);
        }

        String charset = httpMethodProxyRequest.getParams().getUriCharset();
        URI targetURI;
        try {
            targetURI = new URI(targetPath, true, charset);
        } catch (URIException e) {
            // Bugfix #1484
            String newTargetPath = "";
            for (String part : targetPath.split("&")) {
                if (!newTargetPath.equals("")) {
                    newTargetPath += "&";
                }
                String[] pair = part.split("=");
                try {
                    newTargetPath += URLDecoder.decode(pair[0], "UTF-8") + "="
                            + (pair.length > 1 ? URLEncoder.encode(URLDecoder.decode(pair[1], "UTF-8"), "UTF-8")
                                    : "");
                } catch (UnsupportedEncodingException ee) {
                    newTargetPath = targetPath;
                }
            }

            targetURI = new URI(newTargetPath, true, charset);
        }
        httpMethodProxyRequest.setURI(targetURI);

        // Tells the method to automatically handle authentication.
        httpMethodProxyRequest.setDoAuthentication(true);

        HttpState httpState = getHttpState(proxyHttpConnector, context);

        String basicUser = proxyHttpConnector.getAuthUser();
        String basicPassword = proxyHttpConnector.getAuthPassword();
        String givenBasicUser = proxyHttpConnector.getGivenAuthUser();
        String givenBasicPassword = proxyHttpConnector.getGivenAuthPassword();

        // Basic authentication configuration
        String realm = null;
        if (!basicUser.equals("") || (basicUser.equals("") && (givenBasicUser != null))) {
            String userName = ((givenBasicUser == null) ? basicUser : givenBasicUser);
            String userPassword = ((givenBasicPassword == null) ? basicPassword : givenBasicPassword);
            httpState.setCredentials(new AuthScope(targetHost, targetPort, realm),
                    new UsernamePasswordCredentials(userName, userPassword));
            Engine.logEngine.debug("(ReverseProxyServlet) Credentials: " + userName + ":******");
        }

        // Setting basic authentication for proxy
        if (!proxyServer.equals("") && !proxyUser.equals("")) {
            httpState.setProxyCredentials(new AuthScope(proxyServer, proxyPort),
                    new UsernamePasswordCredentials(proxyUser, proxyPassword));
            Engine.logEngine.debug("(ReverseProxyServlet) Proxy credentials: " + proxyUser + ":******");
        }

        // Forward the request headers
        setProxyRequestHeaders(httpServletRequest, httpMethodProxyRequest, proxyHttpConnector);

        // Use the CEMS HttpClient
        HttpClient httpClient = Engine.theApp.httpClient;
        httpMethodProxyRequest.setFollowRedirects(false);

        // Execute the request
        int intProxyResponseCode = httpClient.executeMethod(hostConfiguration, httpMethodProxyRequest,
                httpState);

        // Check if the proxy response is a redirect
        // The following code is adapted from
        // org.tigris.noodle.filters.CheckForRedirect
        // Hooray for open source software
        if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
                && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
            String stringStatusCode = Integer.toString(intProxyResponseCode);
            String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
            if (stringLocation == null) {
                throw new ServletException("Received status code: " + stringStatusCode + " but no "
                        + STRING_LOCATION_HEADER + " header was found in the response");
            }
            // Modify the redirect to go to this proxy servlet rather that
            // the
            // proxied host
            String redirect = handleRedirect(stringLocation, baseUrl, proxyHttpConnector);
            httpServletResponse.sendRedirect(redirect);
            Engine.logEngine.debug("(ReverseProxyServlet) Send redirect (" + redirect + ")");
            return;
        } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
            // 304 needs special handling. See:
            // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
            // We get a 304 whenever passed an 'If-Modified-Since'
            // header and the data on disk has not changed; server
            // responds w/ a 304 saying I'm not going to send the
            // body because the file has not changed.
            httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
            httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
            Engine.logEngine.debug("(ReverseProxyServlet) NOT MODIFIED (304)");
            return;
        }

        // Pass the response code back to the client
        httpServletResponse.setStatus(intProxyResponseCode);

        // Pass response headers back to the client
        Engine.logEngine.debug("(ReverseProxyServlet) Response headers back to the client:");
        Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
        for (Header header : headerArrayResponse) {
            String headerName = header.getName();
            String headerValue = header.getValue();
            if (!headerName.equalsIgnoreCase("Transfer-Encoding")
                    && !headerName.equalsIgnoreCase("Set-Cookie")) {
                httpServletResponse.setHeader(headerName, headerValue);
                Engine.logEngine.debug("   " + headerName + "=" + headerValue);
            }
        }

        String contentType = null;
        Header[] contentTypeHeaders = httpMethodProxyRequest.getResponseHeaders("Content-Type");
        for (Header contentTypeHeader : contentTypeHeaders) {
            contentType = contentTypeHeader.getValue();
            break;
        }

        String pageCharset = "UTF-8";
        if (contentType != null) {
            int iCharset = contentType.indexOf("charset=");
            if (iCharset != -1) {
                pageCharset = contentType.substring(iCharset + "charset=".length()).trim();
            }
            Engine.logEngine.debug("(ReverseProxyServlet) Using charset: " + pageCharset);
        }

        InputStream siteIn = httpMethodProxyRequest.getResponseBodyAsStream();

        // Handle gzipped content
        Header[] contentEncodingHeaders = httpMethodProxyRequest.getResponseHeaders("Content-Encoding");
        boolean bGZip = false, bDeflate = false;
        for (Header contentEncodingHeader : contentEncodingHeaders) {
            HeaderElement[] els = contentEncodingHeader.getElements();
            for (int j = 0; j < els.length; j++) {
                if ("gzip".equals(els[j].getName())) {
                    Engine.logBeans.debug("(ReverseProxyServlet) Decode GZip stream");
                    siteIn = new GZIPInputStream(siteIn);
                    bGZip = true;
                } else if ("deflate".equals(els[j].getName())) {
                    Engine.logBeans.debug("(ReverseProxyServlet) Decode Deflate stream");
                    siteIn = new InflaterInputStream(siteIn, new Inflater(true));
                    bDeflate = true;
                }
            }
        }

        byte[] bytesDataResult;

        ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);

        // String resourceUrl = projectName + targetPath;

        String t = context.statistics.start(EngineStatistics.APPLY_USER_REQUEST);

        try {
            // Read either from the cache, either from the remote server
            // InputStream is = proxyCacheManager.getResource(resourceUrl);
            // if (is != null) {
            // Engine.logEngine.debug("(ReverseProxyServlet) Getting data from cache");
            // siteIn = is;
            // }
            int c = siteIn.read();
            while (c > -1) {
                baos.write(c);
                c = siteIn.read();
            }
            // if (is != null) is.close();
        } finally {
            context.statistics.stop(t, true);
        }

        bytesDataResult = baos.toByteArray();
        baos.close();
        Engine.logEngine.debug("(ReverseProxyServlet) Data retrieved!");

        // if (isDynamicContent(httpServletRequest.getPathInfo(),
        // proxyHttpConnector.getDynamicContentFiles())) {
        Engine.logEngine.debug("(ReverseProxyServlet) Dynamic content");

        bytesDataResult = handleStringReplacements(baseUrl, contentType, pageCharset, proxyHttpConnector,
                bytesDataResult);

        String billingClassName = context.getConnector().getBillingClassName();
        if (billingClassName != null) {
            try {
                Engine.logContext.debug("Billing class name required: " + billingClassName);
                AbstractBiller biller = (AbstractBiller) Class.forName(billingClassName).newInstance();
                Engine.logContext.debug("Executing the biller");
                biller.insertBilling(context);
            } catch (Throwable e) {
                Engine.logContext.warn("Unable to execute the biller (the billing is thus ignored): ["
                        + e.getClass().getName() + "] " + e.getMessage());
            }
        }
        // }
        // else {
        // Engine.logEngine.debug("(ReverseProxyServlet) Static content: " +
        // contentType);
        //            
        // // Determine if the resource has already been cached or not
        // CacheEntry cacheEntry =
        // proxyCacheManager.getCacheEntry(resourceUrl);
        // if (cacheEntry instanceof FileCacheEntry) {
        // FileCacheEntry fileCacheEntry = (FileCacheEntry) cacheEntry;
        // File file = new File(fileCacheEntry.fileName);
        // if (!file.exists())
        // proxyCacheManager.removeCacheEntry(cacheEntry);
        // cacheEntry = null;
        // }
        // if (cacheEntry == null) {
        // bytesDataResult = handleStringReplacements(contentType,
        // proxyHttpConnector, bytesDataResult);
        //
        // if (intProxyResponseCode == 200) {
        // Engine.logEngine.debug("(ReverseProxyServlet) Resource stored: "
        // + resourceUrl);
        // cacheEntry = proxyCacheManager.storeResponse(resourceUrl,
        // bytesDataResult);
        // cacheEntry.contentLength = bytesDataResult.length;
        // cacheEntry.contentType = contentType;
        // Engine.logEngine.debug("(ReverseProxyServlet) Cache entry: " +
        // cacheEntry);
        // }
        // }
        // }

        // Send the content to the client
        if (Engine.logEngine.isDebugEnabled() && MimeType.Html.is(contentType)) {
            Engine.logEngine.debug("Data proxied:\n" + new String(bytesDataResult, pageCharset));
        }

        if (bGZip || bDeflate) {
            baos = new ByteArrayOutputStream();
            OutputStream compressedOutputStream = bGZip ? new GZIPOutputStream(baos)
                    : new DeflaterOutputStream(baos,
                            new Deflater(Deflater.DEFAULT_COMPRESSION | Deflater.DEFAULT_STRATEGY, true));
            compressedOutputStream.write(bytesDataResult);
            compressedOutputStream.close();
            bytesDataResult = baos.toByteArray();
            baos.close();
        }

        httpServletResponse.setContentLength(bytesDataResult.length);
        OutputStream outputStreamClientResponse = httpServletResponse.getOutputStream();
        outputStreamClientResponse.write(bytesDataResult);

        Engine.logEngine.debug("(ReverseProxyServlet) End of document retransmission");
    } catch (Exception e) {
        Engine.logEngine.error("Error while trying to proxy page", e);
        throw new ServletException("Error while trying to proxy page", e);
    }
}

From source file:com.twinsoft.convertigo.beans.connectors.SiteClipperConnector.java

private void doProcessRequest(Shuttle shuttle) throws IOException, ServletException, EngineException {
    shuttle.statisticsTaskID = context.statistics.start(EngineStatistics.GET_DOCUMENT);
    try {/*from  w  ww .  java 2  s .  co  m*/
        shuttle.sharedScope = context.getSharedScope();

        String domain = shuttle.getRequest(QueryPart.host) + shuttle.getRequest(QueryPart.port);
        Engine.logSiteClipper.trace("(SiteClipperConnector) Prepare the request for the domain " + domain);
        if (!shouldRewrite(domain)) {
            Engine.logSiteClipper.info(
                    "(SiteClipperConnector) The domain " + domain + " is not allowed with this connector");
            shuttle.response.sendError(HttpServletResponse.SC_FORBIDDEN,
                    "The domain " + domain + " is not allowed with this connector");
            return;
        }

        String uri = shuttle.getRequest(QueryPart.uri);

        Engine.logSiteClipper.info("Preparing " + shuttle.request.getMethod() + " " + shuttle.getRequestUrl());

        HttpMethod httpMethod = null;
        XulRecorder xulRecorder = context.getXulRecorder();
        if (xulRecorder != null) {
            httpMethod = shuttle.httpMethod = xulRecorder.getRecord(shuttle.getRequestUrlAndQuery());
        }
        if (httpMethod == null) {
            try {
                switch (shuttle.getRequestHttpMethodType()) {
                case GET:
                    httpMethod = new GetMethod(uri);
                    break;
                case POST:
                    httpMethod = new PostMethod(uri);
                    ((PostMethod) httpMethod)
                            .setRequestEntity(new InputStreamRequestEntity(shuttle.request.getInputStream()));
                    break;
                case PUT:
                    httpMethod = new PutMethod(uri);
                    ((PutMethod) httpMethod)
                            .setRequestEntity(new InputStreamRequestEntity(shuttle.request.getInputStream()));
                    break;
                case DELETE:
                    httpMethod = new DeleteMethod(uri);
                    break;
                case HEAD:
                    httpMethod = new HeadMethod(uri);
                    break;
                case OPTIONS:
                    httpMethod = new OptionsMethod(uri);
                    break;
                case TRACE:
                    httpMethod = new TraceMethod(uri);
                    break;
                default:
                    throw new ServletException(
                            "(SiteClipperConnector) unknown http method " + shuttle.request.getMethod());
                }
                httpMethod.setFollowRedirects(false);
            } catch (Exception e) {
                throw new ServletException(
                        "(SiteClipperConnector) unexpected exception will building the http method : "
                                + e.getMessage());
            }
            shuttle.httpMethod = httpMethod;

            SiteClipperScreenClass screenClass = getCurrentScreenClass();
            Engine.logSiteClipper.info("Request screen class: " + screenClass.getName());

            for (String name : Collections
                    .list(GenericUtils.<Enumeration<String>>cast(shuttle.request.getHeaderNames()))) {
                if (requestHeadersToIgnore.contains(HeaderName.parse(name))) {
                    Engine.logSiteClipper.trace("(SiteClipperConnector) Ignoring request header " + name);
                } else {
                    String value = shuttle.request.getHeader(name);
                    Engine.logSiteClipper
                            .trace("(SiteClipperConnector) Copying request header " + name + "=" + value);
                    shuttle.setRequestCustomHeader(name, value);
                }
            }

            Engine.logSiteClipper.debug("(SiteClipperConnector) applying request rules for the screenclass "
                    + screenClass.getName());
            for (IRequestRule rule : screenClass.getRequestRules()) {
                if (rule.isEnabled()) {
                    Engine.logSiteClipper
                            .trace("(SiteClipperConnector) applying request rule " + rule.getName());
                    rule.fireEvents();
                    boolean done = rule.applyOnRequest(shuttle);
                    Engine.logSiteClipper.debug("(SiteClipperConnector) the request rule " + rule.getName()
                            + " is " + (done ? "well" : "not") + " applied");
                } else {
                    Engine.logSiteClipper
                            .trace("(SiteClipperConnector) skip the disabled request rule " + rule.getName());
                }
            }

            for (Entry<String, String> header : shuttle.requestCustomHeaders.entrySet()) {
                Engine.logSiteClipper.trace("(SiteClipperConnector) Push request header " + header.getKey()
                        + "=" + header.getValue());
                httpMethod.addRequestHeader(header.getKey(), header.getValue());
            }

            String queryString = shuttle.request.getQueryString();

            if (queryString != null) {
                try {
                    // Fake test in order to check query string validity
                    new URI("http://localhost/index?" + queryString, true,
                            httpMethod.getParams().getUriCharset());
                } catch (URIException e) {
                    // Bugfix #2103
                    StringBuffer newQuery = new StringBuffer();
                    for (String part : RegexpUtils.pattern_and.split(queryString)) {
                        String[] pair = RegexpUtils.pattern_equals.split(part, 2);
                        try {
                            newQuery.append('&')
                                    .append(URLEncoder.encode(URLDecoder.decode(pair[0], "UTF-8"), "UTF-8"));
                            if (pair.length > 1) {
                                newQuery.append('=').append(
                                        URLEncoder.encode(URLDecoder.decode(pair[1], "UTF-8"), "UTF-8"));
                            }
                        } catch (UnsupportedEncodingException ee) {
                            Engine.logSiteClipper
                                    .trace("(SiteClipperConnector) failed to encode query part : " + part);
                        }
                    }

                    queryString = newQuery.length() > 0 ? newQuery.substring(1) : newQuery.toString();
                    Engine.logSiteClipper.trace("(SiteClipperConnector) re-encode query : " + queryString);
                }
            }

            Engine.logSiteClipper.debug("(SiteClipperConnector) Copying the query string : " + queryString);
            httpMethod.setQueryString(queryString);

            //            if (context.httpState == null) {
            //               Engine.logSiteClipper.debug("(SiteClipperConnector) Creating new HttpState for context id " + context.contextID);
            //               context.httpState = new HttpState();
            //            } else {
            //               Engine.logSiteClipper.debug("(SiteClipperConnector) Using HttpState of context id " + context.contextID);
            //            }

            getHttpState(shuttle);

            HostConfiguration hostConfiguration = getHostConfiguration(shuttle);

            HttpMethodParams httpMethodParams = httpMethod.getParams();
            httpMethodParams.setBooleanParameter("http.connection.stalecheck", true);
            httpMethodParams.setParameter(HttpMethodParams.RETRY_HANDLER,
                    new DefaultHttpMethodRetryHandler(3, true));

            Engine.logSiteClipper.info("Requesting " + httpMethod.getName() + " "
                    + hostConfiguration.getHostURL() + httpMethod.getURI().toString());

            HttpClient httpClient = context.getHttpClient3(shuttle.getHttpPool());
            HttpUtils.logCurrentHttpConnection(httpClient, hostConfiguration, shuttle.getHttpPool());
            httpClient.executeMethod(hostConfiguration, httpMethod, context.httpState);
        } else {
            Engine.logSiteClipper.info("Retrieve recorded response from Context");
        }

        int status = httpMethod.getStatusCode();

        shuttle.processState = ProcessState.response;

        Engine.logSiteClipper.info("Request terminated with status " + status);
        shuttle.response.setStatus(status);

        if (Engine.isStudioMode() && status == HttpServletResponse.SC_OK
                && shuttle.getResponseMimeType().startsWith("text/")) {
            fireDataChanged(new ConnectorEvent(this, shuttle.getResponseAsString()));
        }

        SiteClipperScreenClass screenClass = getCurrentScreenClass();
        Engine.logSiteClipper.info("Response screen class: " + screenClass.getName());

        if (Engine.isStudioMode()) {
            Engine.theApp.fireObjectDetected(new EngineEvent(screenClass));
        }

        for (Header header : httpMethod.getResponseHeaders()) {
            String name = header.getName();
            if (responseHeadersToIgnore.contains(HeaderName.parse(name))) {
                Engine.logSiteClipper.trace("(SiteClipperConnector) Ignoring response header " + name);
            } else {
                String value = header.getValue();
                Engine.logSiteClipper
                        .trace("(SiteClipperConnector) Copying response header " + name + "=" + value);
                shuttle.responseCustomHeaders.put(name, value);
            }
        }

        Engine.logSiteClipper.debug(
                "(SiteClipperConnector) applying response rules for the screenclass " + screenClass.getName());
        for (IResponseRule rule : screenClass.getResponseRules()) {
            if (rule.isEnabled()) {
                Engine.logSiteClipper.trace("(SiteClipperConnector) applying response rule " + rule.getName());
                rule.fireEvents();
                boolean done = rule.applyOnResponse(shuttle);
                Engine.logSiteClipper.debug("(SiteClipperConnector) the response rule " + rule.getName()
                        + " is " + (done ? "well" : "not") + " applied");
            } else {
                Engine.logSiteClipper
                        .trace("(SiteClipperConnector) skip the disabled response rule " + rule.getName());
            }
        }

        for (Entry<String, String> header : shuttle.responseCustomHeaders.entrySet()) {
            Engine.logSiteClipper.trace(
                    "(SiteClipperConnector) Push request header " + header.getKey() + "=" + header.getValue());
            shuttle.response.addHeader(header.getKey(), header.getValue());
        }

        if (shuttle.postInstructions != null) {
            JSONArray instructions = new JSONArray();
            for (IClientInstruction instruction : shuttle.postInstructions) {
                try {
                    instructions.put(instruction.getInstruction());
                } catch (JSONException e) {
                    Engine.logSiteClipper.error(
                            "(SiteClipperConnector) Failed to add a post instruction due to a JSONException",
                            e);
                }
            }
            String codeToInject = "<script>C8O_postInstructions = " + instructions.toString() + "</script>\n"
                    + "<script src=\"" + shuttle.getRequest(QueryPart.full_convertigo_path)
                    + "/scripts/jquery.min.js\"></script>\n" + "<script src=\""
                    + shuttle.getRequest(QueryPart.full_convertigo_path)
                    + "/scripts/siteclipper.js\"></script>\n";

            String content = shuttle.getResponseAsString();
            Matcher matcher = HtmlLocation.head_top.matcher(content);
            String newContent = RegexpUtils.inject(matcher, codeToInject);
            if (newContent == null) {
                matcher = HtmlLocation.body_top.matcher(content);
                newContent = RegexpUtils.inject(matcher, codeToInject);
            }
            if (newContent != null) {
                shuttle.setResponseAsString(newContent);
            } else {
                Engine.logSiteClipper.info(
                        "(SiteClipperConnector) Failed to find a head or body tag in the response content");
                Engine.logSiteClipper.trace("(SiteClipperConnector) Response content : \"" + content + "\"");
            }
        }

        long nbBytes = 0L;
        if (shuttle.responseAsString != null
                && shuttle.responseAsString.hashCode() != shuttle.responseAsStringOriginal.hashCode()) {
            OutputStream os = shuttle.response.getOutputStream();
            switch (shuttle.getResponseContentEncoding()) {
            case gzip:
                os = new GZIPOutputStream(os);
                break;
            case deflate:
                os = new DeflaterOutputStream(os,
                        new Deflater(Deflater.DEFAULT_COMPRESSION | Deflater.DEFAULT_STRATEGY, true));
                break;
            default:
                break;
            }
            nbBytes = shuttle.responseAsByte.length;
            IOUtils.write(shuttle.responseAsString, os, shuttle.getResponseCharset());
            os.close();
        } else {
            InputStream is = (shuttle.responseAsByte == null) ? httpMethod.getResponseBodyAsStream()
                    : new ByteArrayInputStream(shuttle.responseAsByte);
            if (is != null) {
                nbBytes = 0;
                OutputStream os = shuttle.response.getOutputStream();
                int read = is.read();
                while (read >= 0) {
                    os.write(read);
                    os.flush();
                    read = is.read();
                    nbBytes++;
                }
                is.close();
                //               nbBytes = IOUtils.copyLarge(is, shuttle.response.getOutputStream());
                Engine.logSiteClipper
                        .trace("(SiteClipperConnector) Response body copyied (" + nbBytes + " bytes)");
            }
        }
        shuttle.response.getOutputStream().close();

        shuttle.score = getScore(nbBytes);
        Engine.logSiteClipper
                .debug("(SiteClipperConnector) Request terminated with a score of " + shuttle.score);
    } finally {
        long duration = context.statistics.stop(shuttle.statisticsTaskID);
        if (context.requestedObject != null) {
            try {
                Engine.theApp.billingManager.insertBilling(context, Long.valueOf(duration),
                        Long.valueOf(shuttle.score));
            } catch (Exception e) {
                Engine.logContext.warn("Unable to insert billing ticket (the billing is thus ignored): ["
                        + e.getClass().getName() + "] " + e.getMessage());
            }
        }
    }
}

From source file:nl.nn.adapterframework.http.HttpSender.java

public String getResponseBodyAsString(HttpMethod httpmethod) throws IOException {
    String charset = ((HttpMethodBase) httpmethod).getResponseCharSet();
    if (log.isDebugEnabled())
        log.debug(getLogPrefix() + "response body uses charset [" + charset + "]");
    if ("HEAD".equals(getMethodType())) {
        XmlBuilder headersXml = new XmlBuilder("headers");
        Header[] headers = httpmethod.getResponseHeaders();
        for (Header header : headers) {
            XmlBuilder headerXml = new XmlBuilder("header");
            headerXml.addAttribute("name", header.getName());
            headerXml.setCdataValue(header.getValue());
            headersXml.addSubElement(headerXml);
        }/*from   ww  w  . jav  a2 s .  c  o m*/
        return headersXml.toXML();
    }
    InputStream is = httpmethod.getResponseBodyAsStream();
    if (is == null) {
        return null;
    }
    String responseBody = Misc.streamToString(is, "\n", charset, false);
    int rbLength = responseBody.length();
    long rbSizeWarn = Misc.getResponseBodySizeWarnByDefault();
    if (rbLength >= rbSizeWarn) {
        log.warn(getLogPrefix() + "retrieved result size [" + Misc.toFileSize(rbLength) + "] exceeds ["
                + Misc.toFileSize(rbSizeWarn) + "]");
    }
    return responseBody;
}

From source file:org.alfresco.jive.impl.JiveOpenClientImpl.java

/**
 * Debugging method for obtaining the state of a response as a String.
 * /* www. j av a  2 s . c o  m*/
 * @param method The method to retrieve the response state from <i>(may be null)</i>.
 * @return The response state as a human-readable string value <i>(will not be null)</i>.
 */
private String responseToString(final HttpMethod method) {
    StringBuffer result = new StringBuffer(128);

    if (method != null) {
        result.append("\n\tStatus: ");
        result.append(method.getStatusCode());
        result.append(" ");
        result.append(method.getStatusText());

        result.append("\n\tHeaders: ");

        for (final Header header : method.getResponseHeaders()) {
            result.append("\n\t\t");
            result.append(header.getName());
            result.append(" : ");
            result.append(header.getValue());
        }

        result.append("\n\tBody:");
        result.append("\n");

        try {
            result.append(method.getResponseBodyAsString());
        } catch (final IOException ioe) {
            result.append("unknown, due to: " + ioe.getMessage());
        }
    } else {
        result.append("(null)");
    }

    return (result.toString());
}

From source file:org.alfresco.rest.api.tests.client.PublicApiHttpClient.java

public HttpResponse submitRequest(HttpMethod req, final RequestContext rq) throws HttpException, IOException {
    try {//from  w w  w  . ja  v a2 s.  c o m
        final long start = System.currentTimeMillis();

        final HttpRequestCallback<HttpResponse> callback = new HttpRequestCallback<HttpResponse>() {
            @Override
            public HttpResponse onCallSuccess(HttpMethod method) throws Exception {
                long end = System.currentTimeMillis();

                Map<String, String> headersMap = null;
                Header[] headers = method.getResponseHeaders();
                if (headers != null) {
                    headersMap = new HashMap<String, String>(headers.length);
                    for (Header header : headers) {
                        headersMap.put(header.getName(), header.getValue());
                    }
                }

                return new HttpResponse(method, rq.getRunAsUser(), method.getResponseBody(), headersMap,
                        (end - start));
            }

            @Override
            public boolean onError(HttpMethod method, Throwable t) {
                return false;
            }
        };

        HttpResponse response = null;
        if (rq.getPassword() != null) {
            response = authenticatedHttp.executeHttpMethodAuthenticated(req, rq.getRunAsUser(),
                    rq.getPassword(), callback);
        } else {
            response = authenticatedHttp.executeHttpMethodAuthenticated(req, rq.getRunAsUser(), callback);
        }
        return response;
    } finally {
        if (req != null) {
            req.releaseConnection();
        }
    }
}