Example usage for javax.servlet.http HttpServletRequest getHeaderNames

List of usage examples for javax.servlet.http HttpServletRequest getHeaderNames

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Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getHeaderNames.

Prototype

public Enumeration<String> getHeaderNames();

Source Link

Document

Returns an enumeration of all the header names this request contains.

Usage

From source file:org.owasp.benchmark.testcode.BenchmarkTest01138.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html");

    String param = "";
    boolean flag = true;
    java.util.Enumeration<String> names = request.getHeaderNames();
    while (names.hasMoreElements() && flag) {
        String name = (String) names.nextElement();
        java.util.Enumeration<String> values = request.getHeaders(name);
        if (values != null) {
            while (values.hasMoreElements() && flag) {
                String value = (String) values.nextElement();
                if (value.equals("vector")) {
                    param = name;/*from  w w  w  . j a va2 s. c  o m*/
                    flag = false;
                }
            }
        }
    }

    String bar = new Test().doSomething(param);

    // Code based on example from:
    // http://examples.javacodegeeks.com/core-java/crypto/encrypt-decrypt-file-stream-with-des/
    // 8-byte initialization vector
    byte[] iv = { (byte) 0xB2, (byte) 0x12, (byte) 0xD5, (byte) 0xB2, (byte) 0x44, (byte) 0x21, (byte) 0xC3,
            (byte) 0xC3033 };

    try {
        javax.crypto.Cipher c = javax.crypto.Cipher.getInstance("DES/CBC/PKCS5Padding", "SunJCE");
        // Prepare the cipher to encrypt
        javax.crypto.SecretKey key = javax.crypto.KeyGenerator.getInstance("DES").generateKey();
        java.security.spec.AlgorithmParameterSpec paramSpec = new javax.crypto.spec.IvParameterSpec(iv);
        c.init(javax.crypto.Cipher.ENCRYPT_MODE, key, paramSpec);

        // encrypt and store the results
        byte[] input = { (byte) '?' };
        Object inputParam = bar;
        if (inputParam instanceof String)
            input = ((String) inputParam).getBytes();
        if (inputParam instanceof java.io.InputStream) {
            byte[] strInput = new byte[1000];
            int i = ((java.io.InputStream) inputParam).read(strInput);
            if (i == -1) {
                response.getWriter().println(
                        "This input source requires a POST, not a GET. Incompatible UI for the InputStream source.");
                return;
            }
            input = java.util.Arrays.copyOf(strInput, i);
        }
        byte[] result = c.doFinal(input);

        java.io.File fileTarget = new java.io.File(
                new java.io.File(org.owasp.benchmark.helpers.Utils.testfileDir), "passwordFile.txt");
        java.io.FileWriter fw = new java.io.FileWriter(fileTarget, true); //the true will append the new data
        fw.write("secret_value=" + org.owasp.esapi.ESAPI.encoder().encodeForBase64(result, true) + "\n");
        fw.close();
        response.getWriter()
                .println("Sensitive value: '" + org.owasp.esapi.ESAPI.encoder().encodeForHTML(new String(input))
                        + "' encrypted and stored<br/>");

    } catch (java.security.NoSuchAlgorithmException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (java.security.NoSuchProviderException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (javax.crypto.NoSuchPaddingException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (javax.crypto.IllegalBlockSizeException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (javax.crypto.BadPaddingException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (java.security.InvalidKeyException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    } catch (java.security.InvalidAlgorithmParameterException e) {
        response.getWriter().println(
                "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
        e.printStackTrace(response.getWriter());
        throw new ServletException(e);
    }
    response.getWriter()
            .println("Crypto Test javax.crypto.Cipher.getInstance(java.lang.String,java.lang.String) executed");
}

From source file:org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet.java

/**
 * Download link and have it be the response.
 * @param req the http request//from  w  ww  .  j  a  v a2 s .c o  m
 * @param resp the http response
 * @param link the link to download
 * @param c the cookie to set if any
 * @throws IOException on any error.
 */
private static void proxyLink(HttpServletRequest req, HttpServletResponse resp, URI link, Cookie c,
        String proxyHost) throws IOException {
    org.apache.commons.httpclient.URI uri = new org.apache.commons.httpclient.URI(link.toString(), false);
    HttpClientParams params = new HttpClientParams();
    params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
    params.setBooleanParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
    HttpClient client = new HttpClient(params);
    // Make sure we send the request from the proxy address in the config
    // since that is what the AM filter checks against. IP aliasing or
    // similar could cause issues otherwise.
    HostConfiguration config = new HostConfiguration();
    InetAddress localAddress = InetAddress.getByName(proxyHost);
    if (LOG.isDebugEnabled()) {
        LOG.debug("local InetAddress for proxy host: " + localAddress.toString());
    }
    config.setLocalAddress(localAddress);
    HttpMethod method = new GetMethod(uri.getEscapedURI());
    @SuppressWarnings("unchecked")
    Enumeration<String> names = req.getHeaderNames();
    while (names.hasMoreElements()) {
        String name = names.nextElement();
        if (passThroughHeaders.contains(name)) {
            String value = req.getHeader(name);
            LOG.debug("REQ HEADER: " + name + " : " + value);
            method.setRequestHeader(name, value);
        }
    }

    String user = req.getRemoteUser();
    if (user != null && !user.isEmpty()) {
        method.setRequestHeader("Cookie", PROXY_USER_COOKIE_NAME + "=" + URLEncoder.encode(user, "ASCII"));
    }
    OutputStream out = resp.getOutputStream();
    try {
        resp.setStatus(client.executeMethod(config, method));
        for (Header header : method.getResponseHeaders()) {
            resp.setHeader(header.getName(), header.getValue());
        }
        if (c != null) {
            resp.addCookie(c);
        }
        InputStream in = method.getResponseBodyAsStream();
        if (in != null) {
            IOUtils.copyBytes(in, out, 4096, true);
        }
    } finally {
        method.releaseConnection();
    }
}

From source file:grails.plugin.cache.web.filter.AbstractFilter.java

protected void logRequestHeaders(final HttpServletRequest request) {
    if (!log.isDebugEnabled()) {
        return;/*from  w  w w.  j  a  v  a  2 s. c o  m*/
    }

    Map<String, String> headers = new HashMap<String, String>();
    StringBuilder logLine = new StringBuilder("Request Headers");
    for (Enumeration<String> enumeration = request.getHeaderNames(); enumeration.hasMoreElements();) {
        String name = enumeration.nextElement();
        String headerValue = request.getHeader(name);
        headers.put(name, headerValue);
        logLine.append(": ").append(name).append(" -> ").append(headerValue);
    }
    log.debug(logLine.toString());
}

From source file:org.apache.servicemix.http.processors.ConsumerProcessor.java

protected Map<String, String> getHeaders(HttpServletRequest request) {
    Map<String, String> headers = new HashMap<String, String>();
    Enumeration<?> enumeration = request.getHeaderNames();
    while (enumeration.hasMoreElements()) {
        String name = (String) enumeration.nextElement();
        String value = request.getHeader(name);
        headers.put(name, value);/*w  w  w  .  j a va2s . c  o m*/
    }

    return headers;
}

From source file:org.sakaiproject.sdata.tool.SnoopHandler.java

/**
 * @param request//from w w  w.j av  a 2  s . c  o m
 */
private void snoopRequest(HttpServletRequest request) {
    StringBuilder sb = new StringBuilder("SData Request :").append(request);
    sb.append("\n\tRequest Path :").append(request.getPathInfo());
    sb.append("\n\tMethod :").append(request.getMethod());
    for (Enumeration<?> hnames = request.getHeaderNames(); hnames.hasMoreElements();) {
        String name = (String) hnames.nextElement();
        sb.append("\n\tHeader :").append(name).append("=[").append(request.getHeader(name)).append("]");
    }
    for (Enumeration<?> hnames = request.getParameterNames(); hnames.hasMoreElements();) {
        String name = (String) hnames.nextElement();
        sb.append("\n\tParameter :").append(name).append("=[").append(request.getParameter(name)).append("]");
    }
    if (request.getCookies() != null) {
        for (Cookie c : request.getCookies()) {
            sb.append("\n\tCookie:");
            sb.append("name[").append(c.getName());
            sb.append("]path[").append(c.getPath());
            sb.append("]value[").append(c.getValue());
        }
    }
    sb.append("]");
    for (Enumeration<?> hnames = request.getAttributeNames(); hnames.hasMoreElements();) {
        String name = (String) hnames.nextElement();
        sb.append("\n\tAttribute :").append(name).append("=[").append(request.getAttribute(name)).append("]");
    }
    HttpSession session = request.getSession();
    sb.append("\n\tUser :").append(request.getRemoteUser());
    if (session != null) {
        sb.append("\n\tSession ID :").append(session.getId());
        for (Enumeration<?> hnames = session.getAttributeNames(); hnames.hasMoreElements();) {
            String name = (String) hnames.nextElement();
            sb.append("\n\tSession Attribute :").append(name).append("=[").append(session.getAttribute(name))
                    .append("]");
        }

    } else {
        sb.append("\n\tNo Session");
    }

    LOG.info(sb.toString());
}

From source file:com.zimbra.cs.servlet.ZimbraServlet.java

public static void proxyServletRequest(HttpServletRequest req, HttpServletResponse resp, HttpMethod method,
        HttpState state) throws IOException, ServiceException {
    // create an HTTP client with the same cookies
    javax.servlet.http.Cookie cookies[] = req.getCookies();
    String hostname = method.getURI().getHost();
    boolean hasZMAuth = hasZimbraAuthCookie(state);
    if (cookies != null) {
        for (int i = 0; i < cookies.length; i++) {
            if (cookies[i].getName().equals(ZimbraCookie.COOKIE_ZM_AUTH_TOKEN) && hasZMAuth)
                continue;
            state.addCookie(//ww  w.  java 2s.c o  m
                    new Cookie(hostname, cookies[i].getName(), cookies[i].getValue(), "/", null, false));
        }
    }
    HttpClient client = ZimbraHttpConnectionManager.getInternalHttpConnMgr().newHttpClient();
    if (state != null)
        client.setState(state);

    int hopcount = 0;
    for (Enumeration<?> enm = req.getHeaderNames(); enm.hasMoreElements();) {
        String hname = (String) enm.nextElement(), hlc = hname.toLowerCase();
        if (hlc.equals("x-zimbra-hopcount"))
            try {
                hopcount = Math.max(Integer.parseInt(req.getHeader(hname)), 0);
            } catch (NumberFormatException e) {
            }
        else if (hlc.startsWith("x-") || hlc.startsWith("content-") || hlc.equals("authorization"))
            method.addRequestHeader(hname, req.getHeader(hname));
    }
    if (hopcount >= MAX_PROXY_HOPCOUNT)
        throw ServiceException.TOO_MANY_HOPS(HttpUtil.getFullRequestURL(req));
    method.addRequestHeader("X-Zimbra-Hopcount", Integer.toString(hopcount + 1));
    if (method.getRequestHeader("X-Zimbra-Orig-Url") == null)
        method.addRequestHeader("X-Zimbra-Orig-Url", req.getRequestURL().toString());
    String ua = req.getHeader("User-Agent");
    if (ua != null)
        method.setRequestHeader("User-Agent", ua);

    // dispatch the request and copy over the results
    int statusCode = -1;
    for (int retryCount = 3; statusCode == -1 && retryCount > 0; retryCount--) {
        statusCode = HttpClientUtil.executeMethod(client, method);
    }
    if (statusCode == -1) {
        resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "retry limit reached");
        return;
    } else if (statusCode >= 300) {
        resp.sendError(statusCode, method.getStatusText());
        return;
    }

    Header[] headers = method.getResponseHeaders();
    for (int i = 0; i < headers.length; i++) {
        String hname = headers[i].getName(), hlc = hname.toLowerCase();
        if (hlc.startsWith("x-") || hlc.startsWith("content-") || hlc.startsWith("www-"))
            resp.addHeader(hname, headers[i].getValue());
    }
    InputStream responseStream = method.getResponseBodyAsStream();
    if (responseStream == null || resp.getOutputStream() == null)
        return;
    ByteUtil.copy(method.getResponseBodyAsStream(), false, resp.getOutputStream(), false);
}

From source file:com.google.acre.servlet.ProxyPassServlet.java

/**
 * Retreives all of the headers from the servlet request and sets them on
 * the proxy request/*from  ww w. j a  va2 s . c o m*/
 * 
 * @param httpServletRequest The request object representing the client's
 *                            request to the servlet engine
 * @param httpMethodProxyRequest The request that we are about to send to
 *                                the proxy host
 */
private void setProxyRequestHeaders(HttpServletRequest httpServletRequest,
        HttpRequestBase httpMethodProxyRequest) {
    // Get an Enumeration of all of the header names sent by the client
    Enumeration<?> enumerationOfHeaderNames = httpServletRequest.getHeaderNames();
    while (enumerationOfHeaderNames.hasMoreElements()) {
        String stringHeaderName = (String) enumerationOfHeaderNames.nextElement();
        if (stringHeaderName.equalsIgnoreCase(STRING_CONTENT_LENGTH_HEADER_NAME))
            continue;
        // As per the Java Servlet API 2.5 documentation:
        //      Some headers, such as Accept-Language can be sent by clients
        //      as several headers each with a different value rather than
        //      sending the header as a comma separated list.
        // Thus, we get an Enumeration of the header values sent by the client
        Enumeration<?> enumerationOfHeaderValues = httpServletRequest.getHeaders(stringHeaderName);
        while (enumerationOfHeaderValues.hasMoreElements()) {
            String stringHeaderValue = (String) enumerationOfHeaderValues.nextElement();
            // In case the proxy host is running multiple virtual servers,
            // rewrite the Host header to ensure that we get content from
            // the correct virtual server
            if (stringHeaderName.equalsIgnoreCase(STRING_HOST_HEADER_NAME)) {
                stringHeaderValue = this.metawebAPIHostAndPort;
            }
            // Set the same header on the proxy request
            httpMethodProxyRequest.addHeader(stringHeaderName, stringHeaderValue);
        }
    }
}

From source file:de.undercouch.gradle.tasks.download.HeadersTest.java

@Override
protected Handler[] makeHandlers() throws IOException {
    //echo X-* headers back in response body
    ContextHandler echoHeadersHandler = new ContextHandler("/" + ECHO_HEADERS) {
        @Override/*from ww  w . j  ava2  s  .c o m*/
        public void handle(String target, HttpServletRequest request, HttpServletResponse response,
                int dispatch) throws IOException, ServletException {
            response.setStatus(200);
            PrintWriter rw = response.getWriter();
            rw.write(HEADERS + "\n");
            @SuppressWarnings("unchecked")
            Enumeration<String> headerNames = (Enumeration<String>) request.getHeaderNames();
            while (headerNames.hasMoreElements()) {
                String name = headerNames.nextElement();
                if (name.startsWith("X-")) {
                    rw.write(String.format("  %s: %s\n", name, request.getHeader(name)));
                }
            }
            rw.close();
        }
    };
    return new Handler[] { echoHeadersHandler };
}

From source file:org.portletbridge.portlet.PortletBridgeServlet.java

protected void copyRequestHeaders(HttpServletRequest request, HttpMethodBase method) {

    Enumeration properties = request.getHeaderNames();
    while (properties.hasMoreElements()) {
        String propertyName = (String) properties.nextElement();
        String propertyNameToLower = propertyName.toLowerCase();
        if (!ignoreRequestHeaders.contains(propertyNameToLower) && !(method instanceof GetMethod
                && ignorePostToGetRequestHeaders.contains(propertyNameToLower))) {
            Enumeration values = request.getHeaders(propertyName);
            while (values.hasMoreElements()) {
                String property = (String) values.nextElement();
                // System.out.println(propertyName + ":" + property);
                method.setRequestHeader(propertyName, property);
            }/*from  www.  j a  va  2  s. c o  m*/
        }
    }

    // TODO consider what happens if the host is different after a redirect...
    // Conditional cookie transfer
    try {
        org.apache.commons.httpclient.URI uri = method.getURI();
        if (uri != null) {
            String host = uri.getHost();
            if (host != null) {
                if (host.equals(request.getHeader("host"))) {
                    String cookie = request.getHeader("cookie");
                    if (cookie != null)
                        method.setRequestHeader("cookie", cookie);
                }
            } else {
                log.warn("host is null for uri " + uri);
            }
        } else {
            log.warn("uri is null for method " + method);
        }
    } catch (URIException e) {
        log.warn(e, e);
    }

}