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1
16 package org.mortbay.servlet;
17 import java.io.IOException  ;
18 import java.io.Writer ;
19 import java.util.Date ;
20 import java.util.Enumeration ;
21
22 import javax.servlet.ServletConfig ;
23 import javax.servlet.ServletException ;
24 import javax.servlet.http.HttpServlet ;
25 import javax.servlet.http.HttpServletRequest ;
26 import javax.servlet.http.HttpServletResponse ;
27 import javax.servlet.http.HttpSession ;
28
29 import org.apache.commons.logging.Log;
30 import org.mortbay.log.LogFactory;
31 import org.mortbay.html.Page;
32 import org.mortbay.html.TableForm;
33 import org.mortbay.util.LogSupport;
34
35
36
37
42 public class SessionDump extends HttpServlet
43 {
44 private static Log log = LogFactory.getLog(SessionDump.class);
45
46 int redirectCount=0;
47
48 String pageType;
49
50
51 public void init(ServletConfig config)
52 throws ServletException
53 {
54 super.init(config);
55 }
56
57
58 public void doPost(HttpServletRequest request,
59 HttpServletResponse response)
60 throws ServletException , IOException
61 {
62 HttpSession session = request.getSession(false);
63 String action = request.getParameter("Action");
64 String name = request.getParameter("Name");
65 String value = request.getParameter("Value");
66 String age = request.getParameter("MaxAge");
67
68 String nextUrl = getURI(request)+"?R="+redirectCount++;
69 if (action.equals("New Session"))
70 {
71 session = request.getSession(true);
72 }
73 else
74 if (session!=null)
75 {
76 if (action.equals("Invalidate"))
77 session.invalidate();
78 else if (action.equals("Set"))
79 {
80 session.setAttribute(name,value);
81 try
82 {
83 int m = Integer.parseInt(age);
84 session.setMaxInactiveInterval(m);
85 }
86 catch(Exception e)
87 {
88 LogSupport.ignore(log,e);
89 }
90 }
91 else if (action.equals("Remove"))
92 session.removeAttribute(name);
93 }
94
95 String encodedUrl=response.encodeRedirectURL(nextUrl);
96 response.sendRedirect(encodedUrl);
97
98 }
99
100
101
102 public void doGet(HttpServletRequest request,
103 HttpServletResponse response)
104 throws ServletException , IOException
105 {
106 response.setContentType("text/html");
107 Page page= new Page();
108
109 HttpSession session = request.getSession(getURI(request).indexOf("new")>0);
110
111 page.title("Session Dump Servlet: ");
112
113 TableForm tf = new TableForm(response.encodeURL(getURI(request)));
114 tf.method("POST");
115
116 if (session==null)
117 {
118 page.add("<H1>No Session</H1>");
119 tf.addButton("Action","New Session");
120 }
121 else
122 {
123 try
124 {
125 tf.addText("ID",session.getId());
126 tf.addText("State",session.isNew()?"NEW":"Valid");
127 tf.addText("Creation",
128 new Date (session.getCreationTime()).toString());
129 tf.addText("Last Access",
130 new Date (session.getLastAccessedTime()).toString());
131 tf.addText("Max Inactive",
132 ""+session.getMaxInactiveInterval());
133
134 tf.addText("Context",""+session.getServletContext());
135
136 Enumeration keys=session.getAttributeNames();
137 while(keys.hasMoreElements())
138 {
139 String name=(String )keys.nextElement();
140 String value=session.getAttribute(name).toString();
141 tf.addText(name,value);
142 }
143
144 tf.addTextField("Name","Property Name",20,"name");
145 tf.addTextField("Value","Property Value",20,"value");
146 tf.addTextField("MaxAge","MaxAge(s)",5,"");
147 tf.addButtonArea();
148 tf.addButton("Action","Set");
149 tf.addButton("Action","Remove");
150 tf.addButton("Action","Invalidate");
151
152 page.add(tf);
153 tf=null;
154 if (request.isRequestedSessionIdFromCookie())
155 page.add("<P>Turn off cookies in your browser to try url encoding<BR>");
156
157 if (request.isRequestedSessionIdFromURL())
158 page.add("<P>Turn on cookies in your browser to try cookie encoding<BR>");
159
160 }
161 catch (IllegalStateException e)
162 {
163 log.debug(LogSupport.EXCEPTION,e);
164 page.add("<H1>INVALID Session</H1>");
165 tf=new TableForm(getURI(request));
166 tf.addButton("Action","New Session");
167 }
168 }
169
170 if (tf!=null)
171 page.add(tf);
172
173 Writer writer=response.getWriter();
174 page.write(writer);
175 writer.flush();
176 }
177
178
179 public String getServletInfo() {
180 return "Session Dump Servlet";
181 }
182
183
184 private String getURI(HttpServletRequest request)
185 {
186 String uri=(String )request.getAttribute("javax.servlet.forward.request_uri");
187 if (uri==null)
188 uri=request.getRequestURI();
189 return uri;
190 }
191
192 }
193 |
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