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1
28
29 package com.caucho.server.connection;
30
31 import com.caucho.log.Log;
32 import com.caucho.util.CharCursor;
33 import com.caucho.util.HashMapImpl;
34 import com.caucho.util.StringCharCursor;
35 import com.caucho.vfs.ByteToChar;
36
37 import java.io.IOException  ;
38 import java.io.InputStream ;
39 import java.io.UnsupportedEncodingException ;
40 import java.util.logging.Level ;
41 import java.util.logging.Logger ;
42
43
46 public class Form {
47 static final Logger log = Log.open(Form.class);
48
49 private final ByteToChar _converter = ByteToChar.create();
50
51
58 public void parseQueryString(HashMapImpl<String ,String []> table,
59 String query,
60 String javaEncoding,
61 boolean isTop)
62 throws IOException
63 {
64 CharCursor is = new StringCharCursor(query);
65
66 ByteToChar converter = _converter;
67 try {
68 converter.setEncoding(javaEncoding);
69 } catch (UnsupportedEncodingException e) {
70 log.log(Level.FINE, e.toString(), e);
71 }
72
73 int ch = is.current();
74 while (ch != is.DONE) {
75 for (; Character.isWhitespace((char) ch) || ch == '&'; ch = is.next()) {
76 }
77
78 converter.clear();
79 for (; ch != is.DONE && ch != '=' && ch != '&'; ch = is.next())
80 readChar(converter, is, ch, isTop);
81
82 String key = converter.getConvertedString();
83
84 converter.clear();
85 if (ch == '=')
86 ch = is.next();
87 for (; ch != is.DONE && ch != '&'; ch = is.next())
88 readChar(converter, is, ch, isTop);
89
90 String value = converter.getConvertedString();
91
92 if (log.isLoggable(Level.FINE))
93 log.fine("query: " + key + "=" + value);
94
95 String []oldValue = table.get(key);
96
97 if (key == null || key.equals("")) {
98 }
99 else if (oldValue == null)
100 table.put(key, new String [] { value });
101 else {
102 String []newValue = new String [oldValue.length + 1];
103 System.arraycopy(oldValue, 0, newValue, 0, oldValue.length);
104 newValue[oldValue.length] = value;
105 table.put(key, newValue);
106 }
107 }
108 }
109
110
118 private static void readChar(ByteToChar converter, CharCursor is,
119 int ch, boolean isTop)
120 throws IOException
121 {
122 if (ch == '+')
123 converter.addByte(' ');
124 else if (ch == '%') {
125 int ch1 = is.next();
126
127 if (ch1 == 'u') {
128 ch1 = is.next();
129 int ch2 = is.next();
130 int ch3 = is.next();
131 int ch4 = is.next();
132
133 converter.addChar((char) ((toHex(ch1) << 12) +
134 (toHex(ch2) << 8) +
135 (toHex(ch3) << 4) +
136 (toHex(ch4))));
137 }
138 else {
139 int ch2 = is.next();
140
141 converter.addByte(((toHex(ch1) << 4) + toHex(ch2)));
142 }
143 }
144 else if (isTop)
145 converter.addByte((byte) ch);
146 else
147 converter.addChar((char) ch);
148 }
149
150
157 void parsePostData(HashMapImpl<String ,String []> table, InputStream is,
158 String javaEncoding)
159 throws IOException
160 {
161 ByteToChar converter = _converter;
162 try {
163 converter.setEncoding(javaEncoding);
164 } catch (UnsupportedEncodingException e) {
165 log.log(Level.FINE, e.toString(), e);
166 }
167
168 int ch = is.read();
169 while (ch >= 0) {
170 for (; Character.isWhitespace((char) ch) || ch == '&'; ch = is.read()) {
171 }
172
173 converter.clear();
174 for (;
175 ch >= 0 && ch != '=' && ch != '&' &&
176 ! Character.isWhitespace((char) ch);
177 ch = is.read()) {
178 readChar(converter, is, ch);
179 }
180
181 String key = converter.getConvertedString();
182
183 for (; Character.isWhitespace((char) ch); ch = is.read()) {
184 }
185
186 converter.clear();
187 if (ch == '=') {
188 ch = is.read();
189 for (; Character.isWhitespace((char) ch); ch = is.read()) {
190 }
191 }
192
193 for (; ch >= 0 && ch != '&'; ch = is.read())
194 readChar(converter, is, ch);
195
196 String value = converter.getConvertedString();
197
198
202
203 String []oldValue = table.get(key);
204
205 if (key == null || key.equals("")) {
206 }
207 else if (oldValue == null)
208 table.put(key, new String [] { value });
209 else {
210 String []newValue = new String [oldValue.length + 1];
211 System.arraycopy(oldValue, 0, newValue, 0, oldValue.length);
212 newValue[oldValue.length] = value;
213 table.put(key, newValue);
214 }
215 }
216 }
217
218
226 private static void readChar(ByteToChar converter, InputStream is, int ch)
227 throws IOException
228 {
229 if (ch == '+')
230 converter.addByte(' ');
231 else if (ch == '%') {
232 int ch1 = is.read();
233
234 if (ch1 == 'u') {
235 ch1 = is.read();
236 int ch2 = is.read();
237 int ch3 = is.read();
238 int ch4 = is.read();
239
240 converter.addChar((char) ((toHex(ch1) << 12) +
241 (toHex(ch2) << 8) +
242 (toHex(ch3) << 4) +
243 (toHex(ch4))));
244 }
245 else {
246 int ch2 = is.read();
247
248 converter.addByte(((toHex(ch1) << 4) + toHex(ch2)));
249 }
250 }
251 else
252 converter.addByte(ch);
253 }
254
255
258 private static int toHex(int ch)
259 {
260 if (ch >= '0' && ch <= '9')
261 return ch - '0';
262 else if (ch >= 'a' && ch <= 'f')
263 return ch - 'a' + 10;
264 else if (ch >= 'A' && ch <= 'F')
265 return ch - 'A' + 10;
266 else
267 return -1;
268 }
269 }
270 |
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