Example usage for javax.servlet.http HttpServletRequest getHeaders

Introduction

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

Prototype

public Enumeration<String> getHeaders(String name);

Source Link

Document

Returns all the values of the specified request header as an Enumeration of String objects.

Usage

From source file:org.springframework.boot.ops.trace.WebRequestTraceFilter.java

protected Map<String, Object> getTrace(HttpServletRequest request) {

    Map<String, Object> map = new LinkedHashMap<String, Object>();
    Enumeration<String> names = request.getHeaderNames();

    while (names.hasMoreElements()) {
        String name = names.nextElement();
        List<String> values = Collections.list(request.getHeaders(name));
        Object value = values;//from ww w .  j a va  2 s. c o  m
        if (values.size() == 1) {
            value = values.get(0);
        } else if (values.isEmpty()) {
            value = "";
        }
        map.put(name, value);

    }
    Map<String, Object> trace = new LinkedHashMap<String, Object>();
    trace.put("method", request.getMethod());
    trace.put("path", request.getRequestURI());
    trace.put("headers", map);
    return trace;
}

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From source file:org.owasp.benchmark.testcode.BenchmarkTest00258.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");

    String param = "";
    java.util.Enumeration<String> headers = request.getHeaders("BenchmarkTest00258");

    if (headers != null && headers.hasMoreElements()) {
        param = headers.nextElement(); // just grab first element
    }// w w  w.  ja  v a2 s . c o  m

    // URL Decode the header value since req.getHeaders() doesn't. Unlike req.getParameters().
    param = java.net.URLDecoder.decode(param, "UTF-8");

    String bar = org.apache.commons.lang.StringEscapeUtils.escapeHtml(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
    //       };
    java.security.SecureRandom random = new java.security.SecureRandom();
    byte[] iv = random.generateSeed(8); // DES requires 8 byte keys

    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:guru.nidi.raml.doc.servlet.MirrorServlet.java

private void headers(HttpServletRequest req, PrintWriter out) {
    out.println("headers");
    final Enumeration<String> headerNames = req.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        final String name = headerNames.nextElement();
        out.print(name + ": ");
        final Enumeration<String> headers = req.getHeaders(name);
        while (headers.hasMoreElements()) {
            out.print("'" + headers.nextElement() + "', ");
        }// ww w. j  av  a 2 s .c  om
        out.println();
    }
    out.println();
}

---

From source file:org.niord.proxy.web.ETagServletFilter.java

/**
 * Inspired by javax.ws.rs.core.Request.evaluatePreconditions().
 * Evaluate request preconditions based on the passed in value.
 *
 * @param etag an ETag for the current state of the resource
 * @return if the preconditions are met.
 *///from  w w  w .  j a v a2s.  co  m
private boolean evaluatePreconditions(EntityTag etag, HttpServletRequest request,
        HttpServletResponse response) {
    if (etag == null) {
        return false;
    }

    response.setHeader(HEADER_ETAG, etag.toString());

    boolean match = Collections.list(request.getHeaders(HEADER_IF_NONE_MATCH)).stream().map(this::trimEtagValue) // Strip any "-gzip" suffix added by Apache modules
            .anyMatch(val -> val.equals(etag.toString()));

    if (match) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }

    // No matching etag headers
    return false;
}

---

From source file:org.apache.camel.component.gae.http.GHttpTestServlet.java

@SuppressWarnings("unchecked")
@Override/*from   w  ww. j a  v a 2s  .c  o  m*/
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // Set default response code
    resp.setStatus(200);
    // Copy headers from request to response
    Enumeration<String> headerNames = req.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        String headerName = headerNames.nextElement();
        Enumeration<String> headers = req.getHeaders(headerName);
        while (headers.hasMoreElements()) {
            String headerValue = headers.nextElement();
            resp.addHeader(headerName, headerValue);
            // Set custom response code
            // if requested by client
            if (headerName.equals("code")) {
                resp.setStatus(Integer.parseInt(headerValue));
            }
        }
    }

    // add some special response headers
    resp.addHeader("testUrl", req.getRequestURL().toString());
    resp.addHeader("testMethod", req.getMethod().toString());
    if (req.getQueryString() != null) {
        resp.addHeader("testQuery", req.getQueryString());
    }

    // Copy body from request to response
    resp.getWriter().println(IOUtils.toString(req.getInputStream()));
    resp.getWriter().flush();
}

---

From source file:com.ibm.util.merge.web.rest.servlet.RequestData.java

private Map<String, List<String>> readHeaderValues(HttpServletRequest request) {
    Enumeration<String> headerNames = request.getHeaderNames();
    Map<String, List<String>> headerValues = new HashMap<>();
    while (headerNames.hasMoreElements()) {
        String headerName = headerNames.nextElement();
        Enumeration<String> values = request.getHeaders(headerName);
        List<String> vals = new ArrayList<>();
        while (values.hasMoreElements()) {
            String val = values.nextElement();
            vals.add(val);
        }//from   www .j  a v a 2  s  .co  m
    }
    return headerValues;
}

---

From source file:guru.nidi.raml.doc.servlet.MirrorServlet.java

private Map<String, Object> headers(HttpServletRequest req) {
    final Map<String, Object> map = new HashMap<>();
    final Enumeration<String> headerNames = req.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        final String name = headerNames.nextElement();
        final List<String> values = new ArrayList<>();
        final Enumeration<String> headers = req.getHeaders(name);
        while (headers.hasMoreElements()) {
            values.add(headers.nextElement());
        }// w  ww.j a v a  2 s  . c o  m
        map.put(name, values);
    }
    return map;
}

---

From source file:org.springframework.boot.actuate.trace.WebRequestTraceFilter.java

private Map<String, Object> getRequestHeaders(HttpServletRequest request) {
    Map<String, Object> headers = new LinkedHashMap<String, Object>();
    Enumeration<String> names = request.getHeaderNames();
    while (names.hasMoreElements()) {
        String name = names.nextElement();
        List<String> values = Collections.list(request.getHeaders(name));
        Object value = values;/*from  ww  w.  j  av a 2 s .c om*/
        if (values.size() == 1) {
            value = values.get(0);
        } else if (values.isEmpty()) {
            value = "";
        }
        headers.put(name, value);
    }
    return headers;
}

---

From source file:edu.gatech.i3l.fhir.jpa.provider.BaseJpaProvider.java

public void startRequest(HttpServletRequest theRequest) {
    if (theRequest == null) {
        return;//  w  w  w.  j  a va 2  s  .  co  m
    }

    Set<String> headerNames = new TreeSet<String>();
    for (Enumeration<String> enums = theRequest.getHeaderNames(); enums.hasMoreElements();) {
        headerNames.add(enums.nextElement());
    }
    ourLog.debug("Request headers: {}", headerNames);

    Enumeration<String> forwardedFors = theRequest.getHeaders("x-forwarded-for");
    StringBuilder b = new StringBuilder();
    for (Enumeration<String> enums = forwardedFors; enums.hasMoreElements();) {
        if (b.length() > 0) {
            b.append(" / ");
        }
        b.append(enums.nextElement());
    }

    String forwardedFor = b.toString();
    String ip = theRequest.getRemoteAddr();
    if (StringUtils.isBlank(forwardedFor)) {
        org.slf4j.MDC.put(REMOTE_ADDR, ip);
        ourLog.debug("Request is from address: {}", ip);
    } else {
        org.slf4j.MDC.put(REMOTE_ADDR, forwardedFor);
        ourLog.debug("Request is from forwarded address: {}", forwardedFor);
    }

    String userAgent = StringUtils.defaultString(theRequest.getHeader("user-agent"));
    org.slf4j.MDC.put(REMOTE_UA, userAgent);

}

---

From source file:com.idega.core.cache.filter.Filter.java

/**
 * Checks if request contains the header value.
 *///from  w  w  w .  j  a  v  a  2  s. co  m
private boolean headerContains(final HttpServletRequest request, final String header, final String value) {

    logRequestHeaders(request);

    final Enumeration accepted = request.getHeaders(header);
    while (accepted.hasMoreElements()) {
        final String headerValue = (String) accepted.nextElement();
        if (headerValue.indexOf(value) != -1) {
            return true;
        }
    }
    return false;
}

---

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