// ========================================================================
// Copyright 1996-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package com.acme;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Reader;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.util.Enumeration;
import java.util.Locale;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestWrapper;
import javax.servlet.UnavailableException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpServletResponse;
import org.mortbay.util.StringUtil;
import org.mortbay.util.ajax.Continuation;
import org.mortbay.util.ajax.ContinuationSupport;
/* ------------------------------------------------------------ */
/** Dump Servlet Request.
*
*/
public class Dump extends HttpServlet
{
/* ------------------------------------------------------------ */
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}
/* ------------------------------------------------------------ */
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doGet(request, response);
}
/* ------------------------------------------------------------ */
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
if(request.getPathInfo().toLowerCase().indexOf("script")!=-1)
{
response.sendRedirect(getServletContext().getContextPath() + "/dump/info");
return;
}
request.setCharacterEncoding("UTF-8");
if (request.getParameter("empty")!=null)
{
response.setStatus(200);
response.flushBuffer();
return;
}
if (request.getParameter("sleep")!=null)
{
try
{
long s = Long.parseLong(request.getParameter("sleep"));
Thread.sleep(s/2);
response.sendError(102);
Thread.sleep(s/2);
}
catch (InterruptedException e)
{
return;
}
catch (Exception e)
{
throw new ServletException(e);
}
}
if (request.getParameter("continue")!=null)
{
Continuation continuation = ContinuationSupport.getContinuation(request, null);
continuation.suspend(Long.parseLong(request.getParameter("continue")));
}
request.setAttribute("Dump", this);
getServletContext().setAttribute("Dump",this);
// getServletContext().log("dump "+request.getRequestURI());
// Force a content length response
String length= request.getParameter("length");
if (length != null && length.length() > 0)
{
response.setContentLength(Integer.parseInt(length));
}
// Handle a dump of data
String data= request.getParameter("data");
String block= request.getParameter("block");
String dribble= request.getParameter("dribble");
if (data != null && data.length() > 0)
{
int d=Integer.parseInt(data);
int b=(block!=null&&block.length()>0)?Integer.parseInt(block):50;
byte[] buf=new byte[b];
for (int i=0;i<b;i++)
{
buf[i]=(byte)('0'+(i%10));
if (i%10==9)
buf[i]=(byte)'\n';
}
buf[0]='o';
OutputStream out=response.getOutputStream();
response.setContentType("text/plain");
while (d > 0)
{
if (b==1)
{
out.write(d%80==0?'\n':'.');
d--;
}
else if (d>=b)
{
out.write(buf);
d=d-b;
}
else
{
out.write(buf,0,d);
d=0;
}
if (dribble!=null)
{
out.flush();
try
{
Thread.sleep(Long.parseLong(dribble));
}
catch (Exception e)
{
e.printStackTrace();
break;
}
}
}
return;
}
// handle an exception
String info= request.getPathInfo();
if (info != null && info.endsWith("Exception"))
{
try
{
throw (Throwable) Thread.currentThread().getContextClassLoader().loadClass(info.substring(1)).newInstance();
}
catch (Throwable th)
{
throw new ServletException(th);
}
}
// test a reset
String reset= request.getParameter("reset");
if (reset != null && reset.length() > 0)
{
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.setHeader("SHOULD_NOT","BE SEEN");
response.reset();
}
// handle an redirect
String redirect= request.getParameter("redirect");
if (redirect != null && redirect.length() > 0)
{
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.sendRedirect(redirect);
try
{
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
}
catch(IOException e)
{
// ignored as stream is closed.
}
return;
}
// handle an error
String error= request.getParameter("error");
if (error != null && error.length() > 0)
{
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.sendError(Integer.parseInt(error));
try
{
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
}
catch(IOException e)
{
// ignored as stream is closed.
}
return;
}
String buffer= request.getParameter("buffer");
if (buffer != null && buffer.length() > 0)
response.setBufferSize(Integer.parseInt(buffer));
String charset= request.getParameter("charset");
if (charset==null)
charset="UTF-8";
response.setCharacterEncoding(charset);
response.setContentType("text/html");
if (info != null && info.indexOf("Locale/") >= 0)
{
try
{
String locale_name= info.substring(info.indexOf("Locale/") + 7);
Field f= java.util.Locale.class.getField(locale_name);
response.setLocale((Locale)f.get(null));
}
catch (Exception e)
{
e.printStackTrace();
response.setLocale(Locale.getDefault());
}
}
String cn= request.getParameter("cookie");
String cv=request.getParameter("cookiev");
if (cn!=null && cv!=null)
{
Cookie cookie= new Cookie(cn, cv);
if (request.getParameter("version")!=null)
cookie.setVersion(Integer.parseInt(request.getParameter("version")));
cookie.setComment("Cookie from dump servlet");
response.addCookie(cookie);
}
String pi= request.getPathInfo();
if (pi != null && pi.startsWith("/ex"))
{
OutputStream out= response.getOutputStream();
out.write("</H1>This text should be reset</H1>".getBytes());
if ("/ex0".equals(pi))
throw new ServletException("test ex0", new Throwable());
else if ("/ex1".equals(pi))
throw new IOException("test ex1");
else if ("/ex2".equals(pi))
throw new UnavailableException("test ex2");
else if (pi.startsWith("/ex3/"))
throw new UnavailableException("test ex3",Integer.parseInt(pi.substring(5)));
throw new RuntimeException("test");
}
if ("true".equals(request.getParameter("close")))
response.setHeader("Connection","close");
String buffered= request.getParameter("buffered");
PrintWriter pout=null;
try
{
pout =response.getWriter();
}
catch(IllegalStateException e)
{
pout=new PrintWriter(new OutputStreamWriter(response.getOutputStream(),charset));
}
if (buffered!=null)
pout = new PrintWriter(new BufferedWriter(pout,Integer.parseInt(buffered)));
try
{
pout.write("<html>\n<body>\n");
pout.write("<h1>Dump Servlet</h1>\n");
pout.write("<table width=\"95%\">");
pout.write("<tr>\n");
pout.write("<th align=\"right\">getMethod: </th>");
pout.write("<td>" + notag(request.getMethod())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getContentLength: </th>");
pout.write("<td>"+Integer.toString(request.getContentLength())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getContentType: </th>");
pout.write("<td>"+notag(request.getContentType())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestURI: </th>");
pout.write("<td>"+notag(request.getRequestURI())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestURL: </th>");
pout.write("<td>"+notag(request.getRequestURL().toString())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getContextPath: </th>");
pout.write("<td>"+request.getContextPath()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletPath: </th>");
pout.write("<td>"+notag(request.getServletPath())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getPathInfo: </th>");
pout.write("<td>"+notag(request.getPathInfo())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getPathTranslated: </th>");
pout.write("<td>"+notag(request.getPathTranslated())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getQueryString: </th>");
pout.write("<td>"+notag(request.getQueryString())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getProtocol: </th>");
pout.write("<td>"+request.getProtocol()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getScheme: </th>");
pout.write("<td>"+request.getScheme()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServerName: </th>");
pout.write("<td>"+notag(request.getServerName())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServerPort: </th>");
pout.write("<td>"+Integer.toString(request.getServerPort())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalName: </th>");
pout.write("<td>"+request.getLocalName()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalAddr: </th>");
pout.write("<td>"+request.getLocalAddr()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalPort: </th>");
pout.write("<td>"+Integer.toString(request.getLocalPort())+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteUser: </th>");
pout.write("<td>"+request.getRemoteUser()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteAddr: </th>");
pout.write("<td>"+request.getRemoteAddr()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteHost: </th>");
pout.write("<td>"+request.getRemoteHost()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemotePort: </th>");
pout.write("<td>"+request.getRemotePort()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestedSessionId: </th>");
pout.write("<td>"+request.getRequestedSessionId()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isSecure(): </th>");
pout.write("<td>"+request.isSecure()+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isUserInRole(admin): </th>");
pout.write("<td>"+request.isUserInRole("admin")+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocale: </th>");
pout.write("<td>"+request.getLocale()+"</td>");
Enumeration locales= request.getLocales();
while (locales.hasMoreElements())
{
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocales: </th>");
pout.write("<td>"+locales.nextElement()+"</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Other HTTP Headers:</big></th>");
Enumeration h= request.getHeaderNames();
String name;
while (h.hasMoreElements())
{
name= (String)h.nextElement();
Enumeration h2= request.getHeaders(name);
while (h2.hasMoreElements())
{
String hv= (String)h2.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+notag(name)+": </th>");
pout.write("<td>"+notag(hv)+"</td>");
}
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Parameters:</big></th>");
h= request.getParameterNames();
while (h.hasMoreElements())
{
name= (String)h.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+notag(name)+": </th>");
pout.write("<td>"+notag(request.getParameter(name))+"</td>");
String[] values= request.getParameterValues(name);
if (values == null)
{
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+notag(name)+" Values: </th>");
pout.write("<td>"+"NULL!"+"</td>");
}
else if (values.length > 1)
{
for (int i= 0; i < values.length; i++)
{
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+notag(name)+"["+i+"]: </th>");
pout.write("<td>"+notag(values[i])+"</td>");
}
}
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Cookies:</big></th>");
Cookie[] cookies = request.getCookies();
for (int i=0; cookies!=null && i<cookies.length;i++)
{
Cookie cookie = cookies[i];
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+notag(cookie.getName())+": </th>");
pout.write("<td>"+notag(cookie.getValue())+"</td>");
}
String content_type=request.getContentType();
if (content_type!=null &&
!content_type.startsWith("application/x-www-form-urlencoded") &&
!content_type.startsWith("multipart/form-data"))
{
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" valign=\"top\" colspan=\"2\"><big><br/>Content:</big></th>");
pout.write("</tr><tr>\n");
pout.write("<td><pre>");
char[] content= new char[4096];
int len;
try{
Reader in=request.getReader();
while((len=in.read(content))>=0)
pout.write(notag(new String(content,0,len)));
}
catch(IOException e)
{
pout.write(e.toString());
}
pout.write("</pre></td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Attributes:</big></th>");
Enumeration a= request.getAttributeNames();
while (a.hasMoreElements())
{
name= (String)a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\" valign=\"top\">"+name+": </th>");
pout.write("<td>"+"<pre>" + toString(request.getAttribute(name)) + "</pre>"+"</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Servlet InitParameters:</big></th>");
a= getInitParameterNames();
while (a.hasMoreElements())
{
name= (String)a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+name+": </th>");
pout.write("<td>"+ toString(getInitParameter(name)) +"</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context InitParameters:</big></th>");
a= getServletContext().getInitParameterNames();
while (a.hasMoreElements())
{
name= (String)a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">"+name+": </th>");
pout.write("<td>"+ toString(getServletContext().getInitParameter(name)) + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context Attributes:</big></th>");
a= getServletContext().getAttributeNames();
while (a.hasMoreElements())
{
name= (String)a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\" valign=\"top\">"+name+": </th>");
pout.write("<td>"+"<pre>" + toString(getServletContext().getAttribute(name)) + "</pre>"+"</td>");
}
String res= request.getParameter("resource");
if (res != null && res.length() > 0)
{
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Get Resource: \""+res+"\"</big></th>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">this.getClass().getResource(...): </th>");
pout.write("<td>"+this.getClass().getResource(res)+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">this.getClass().getClassLoader().getResource(...): </th>");
pout.write("<td>"+this.getClass().getClassLoader().getResource(res)+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResource(...): </th>");
pout.write("<td>"+Thread.currentThread().getContextClassLoader().getResource(res)+"</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getResource(...): </th>");
try{pout.write("<td>"+getServletContext().getResource(res)+"</td>");}
catch(Exception e) {pout.write("<td>"+"" +e+"</td>");}
}
pout.write("</tr></table>\n");
/* ------------------------------------------------------------ */
pout.write("<h2>Request Wrappers</h2>\n");
ServletRequest rw=request;
int w=0;
while (rw !=null)
{
pout.write((w++)+": "+rw.getClass().getName()+"<br/>");
if (rw instanceof HttpServletRequestWrapper)
rw=((HttpServletRequestWrapper)rw).getRequest();
else if (rw instanceof ServletRequestWrapper)
rw=((ServletRequestWrapper)rw).getRequest();
else
rw=null;
}
pout.write("<br/>");
pout.write("<h2>International Characters (UTF-8)</h2>");
pout.write("LATIN LETTER SMALL CAPITAL AE<br/>\n");
pout.write("Directly uni encoded(\\u1d01): \u1d01<br/>");
pout.write("HTML reference (Æ): Æ<br/>");
pout.write("Decimal (ᴁ): ᴁ<br/>");
pout.write("Javascript unicode (\\u1d01) : <script language='javascript'>document.write(\"\u1d01\");</script><br/>");
pout.write("<br/>");
pout.write("<h2>Form to generate GET content</h2>");
pout.write("<form method=\"GET\" action=\""+response.encodeURL(getURI(request))+"\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\">");
pout.write("</form>");
pout.write("<br/>");
pout.write("<h2>Form to generate POST content</h2>");
pout.write("<form method=\"POST\" accept-charset=\"utf-8\" action=\""+response.encodeURL(getURI(request))+"\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
pout.write("Select: <select multiple name=\"Select\">\n");
pout.write("<option>ValueA</option>");
pout.write("<option>ValueB1,ValueB2</option>");
pout.write("<option>ValueC</option>");
pout.write("</select><br/>");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
pout.write("</form>");
pout.write("<br/>");
pout.write("<h2>Form to generate UPLOAD content</h2>");
pout.write("<form method=\"POST\" enctype=\"multipart/form-data\" accept-charset=\"utf-8\" action=\""+response.encodeURL(getURI(request))+"\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"comment\"/><br/>\n");
pout.write("File 1: <input type=\"file\" name=\"file1\" /><br/>\n");
pout.write("File 2: <input type=\"file\" name=\"file2\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
pout.write("</form>");
pout.write("<h2>Form to set Cookie</h2>");
pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
pout.write("cookie: <input type=\"text\" name=\"cookie\" /><br/>\n");
pout.write("value: <input type=\"text\" name=\"cookiev\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"setCookie\">");
pout.write("</form>\n");
pout.write("<h2>Form to get Resource</h2>");
pout.write("<form method=\"POST\" action=\""+response.encodeURL(getURI(request))+"\">");
pout.write("resource: <input type=\"text\" name=\"resource\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"getResource\">");
pout.write("</form>\n");
}
catch (Exception e)
{
getServletContext().log("dump", e);
}
if (request.getParameter("stream")!=null)
{
pout.flush();
Continuation continuation = ContinuationSupport.getContinuation(request, null);
continuation.suspend(Long.parseLong(request.getParameter("stream")));
}
String lines= request.getParameter("lines");
if (lines!=null)
{
char[] line = "<span>A line of characters. Blah blah blah blah. blooble blooble</span></br>\n".toCharArray();
for (int l=Integer.parseInt(lines);l-->0;)
{
pout.write("<span>"+l+" </span>");
pout.write(line);
}
}
pout.write("</body>\n</html>\n");
pout.close();
if (pi != null)
{
if ("/ex4".equals(pi))
throw new ServletException("test ex4", new Throwable());
if ("/ex5".equals(pi))
throw new IOException("test ex5");
if ("/ex6".equals(pi))
throw new UnavailableException("test ex6");
}
}
/* ------------------------------------------------------------ */
public String getServletInfo()
{
return "Dump Servlet";
}
/* ------------------------------------------------------------ */
public synchronized void destroy()
{
}
/* ------------------------------------------------------------ */
private String getURI(HttpServletRequest request)
{
String uri= (String)request.getAttribute("javax.servlet.forward.request_uri");
if (uri == null)
uri= request.getRequestURI();
return uri;
}
/* ------------------------------------------------------------ */
private static String toString(Object o)
{
if (o == null)
return null;
try
{
if (o.getClass().isArray())
{
StringBuffer sb = new StringBuffer();
if (!o.getClass().getComponentType().isPrimitive())
{
Object[] array= (Object[])o;
for (int i= 0; i < array.length; i++)
{
if (i > 0)
sb.append("\n");
sb.append(array.getClass().getComponentType().getName());
sb.append("[");
sb.append(i);
sb.append("]=");
sb.append(toString(array[i]));
}
return sb.toString();
}
else
{
int length = Array.getLength(o);
for (int i=0;i<length;i++)
{
if (i > 0)
sb.append("\n");
sb.append(o.getClass().getComponentType().getName());
sb.append("[");
sb.append(i);
sb.append("]=");
sb.append(toString(Array.get(o, i)));
}
return sb.toString();
}
}
else
return o.toString();
}
catch (Exception e)
{
return e.toString();
}
}
private String notag(String s)
{
if (s==null)
return "null";
s=StringUtil.replace(s,"&","&");
s=StringUtil.replace(s,"<","<");
s=StringUtil.replace(s,">",">");
return s;
}
}