|
1
2
29
30 package com.jcraft.jhttptunnel;
31 import java.util.*;
32 import java.io.*;
33
34 public abstract class Page{
35 static Hashtable map=new Hashtable();
36
37 static void register(){}
38
39 static void register(String  src, Object dst){
40 synchronized(map){
41 map.put(src, dst);
42 }
43 }
44
45 static Object map(String foo){
46 if(foo!=null && foo.startsWith("///")){
47 foo=foo.substring(2);
48 }
49 synchronized(map){
50 return map.get(foo);
51 }
52 }
53
54 String decode(String arg){
55
56 byte[] foo=arg.getBytes();
57 StringBuffer sb=new StringBuffer ();
58 for(int i=0; i<foo.length; i++){
59 if(foo[i]=='+'){ sb.append((char)' '); continue; }
60 if(foo[i]=='%' && i+2<foo.length){
61 int bar=foo[i+1];
62 bar=('0'<=bar && bar<='9')? bar-'0' :
63 ('a'<=bar && bar<='z')? bar-'a'+10 :
64 ('A'<=bar && bar<='Z')? bar-'A'+10 : bar;
65 bar*=16;
66 int goo=foo[i+2];
67 goo=('0'<=goo && goo<='9')? goo-'0' :
68 ('a'<=goo && goo<='f')? goo-'a'+10 :
69 ('A'<=goo && goo<='F')? goo-'A'+10 : goo;
70 bar+=goo; bar&=0xff;
71 sb.append((char)bar);
72 i+=2;
73 continue;
74 }
75 sb.append((char)foo[i]);
76 }
77 return sb.toString();
78 }
79
80 static void forward(MySocket mysocket, String location) throws IOException{
81 mysocket.println("HTTP/1.0 302 Found");
82 mysocket.println("Location: "+location);
84 mysocket.println("");
85 mysocket.flush();
86 mysocket.close();
87 }
88
89 static void unknown(MySocket mysocket, String location) throws IOException{
90 mysocket.println("HTTP/1.0 404 Not Found");
91 mysocket.println("Connection: close");
92 mysocket.println("Content-Type: text/html; charset=iso-8859-1");
93 mysocket.println("");
94 mysocket.println("<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">");
95 mysocket.println("<HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY>");
96 mysocket.println("<H1>Not Found</H1>");
97 mysocket.println("The requested URL "+location+" was not found on this server.<P>");
98 mysocket.println("<HR>");
99 mysocket.println("<ADDRESS>JRoar at "+HttpServer.myURL+"/</ADDRESS>");
100 mysocket.println("</BODY></HTML>");
101 mysocket.flush();
102 mysocket.close();
103 }
104
105 static void ok(MySocket mysocket, String location) throws IOException{
106 mysocket.println("HTTP/1.0 200 OK");
107 mysocket.println("Last-Modified: Thu, 04 Oct 2001 14:09:23 GMT");
108 mysocket.println("Connection: close");
109 mysocket.println("");
111 mysocket.flush();
112 mysocket.close();
113 }
114
115 abstract void kick(MySocket mysocket, Hashtable ht, Vector v) throws IOException;
116
117 Hashtable getVars(String arg){
118
119 Hashtable vars=new Hashtable();
120 vars.put("jroar-method", "GET");
121 if(arg==null) return vars;
122
123 arg=decode(arg);
124
125 int foo=0;
126 int i=0;
127 int c=0;
128
129 String key, value;
130
131 while(true){
132 key=value=null;
133
134 foo=arg.indexOf('=');
135 if(foo==-1)break;
136 key=arg.substring(0, foo);
137 arg=arg.substring(foo+1);
138
139 foo=arg.indexOf('&');
140 if(foo!=-1){
141 value=arg.substring(0, foo);
142 arg=arg.substring(foo+1);
143 }
144 else value=arg;
145
146 vars.put(key, value);
147
148 if(foo==-1)break;
149 }
150 return vars;
151 }
152
153 Hashtable getVars(MySocket mysocket, int len){
154 Hashtable vars=new Hashtable();
155 vars.put("jroar-method", "POST");
156 if(len==0) return vars;
157
158 int i=0;
159 int c=0;
160 StringBuffer sb=new StringBuffer ();
161 String key, value;
162
163 while(i<len){
164 key=value=null;
165 sb.setLength(0);
166 while(i<len){
167 c=mysocket.readByte( ); i++;
168 if(c=='='){
169 key=sb.toString();
170 break;
171 }
172 sb.append((char)c);
173 }
174 sb.setLength(0);
175 while(i<len){
176 c=mysocket.readByte( ); i++;
177 if(c=='&'){
178 value=sb.toString();
179 break;
180 }
181 sb.append((char)c);
182 }
183 if(key!=null && value!=null){
184 key=decode(key); value=decode(value);
185 vars.put(key, value);
186 }
187 }
188 return vars;
189 }
190
191 static void notFound(MySocket ms) throws IOException{
192 ms.println("HTTP/1.0 404 Not Found") ;
193 ms.println("Content-Type: text/html") ;
194 ms.println("") ;
195 ms.println("<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">");
196 ms.println("<HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY>");
197 ms.println("<H1>Not Found</H1>The requested URL was not found on this server.<HR>");
198 ms.println("</BODY></HTML>");
199 ms.flush();
200 ms.close();
201 }
202 }
203 |
Popular Tags |
Java API By Example, From Geeks To Geeks.