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1
29
30 package com.caucho.quercus.lib;
31
32 import com.caucho.quercus.QuercusModuleException;
33 import com.caucho.quercus.annotation.Optional;
34 import com.caucho.quercus.annotation.Reference;
35 import com.caucho.quercus.env.Env;
36 import com.caucho.quercus.env.NullValue;
37 import com.caucho.quercus.env.Value;
38 import com.caucho.quercus.module.AbstractQuercusModule;
39 import com.caucho.util.Alarm;
40 import com.caucho.util.L10N;
41
42 import javax.servlet.http.Cookie  ;
43 import javax.servlet.http.HttpServletResponse ;
44 import java.io.IOException ;
45
46
49 public class HttpModule extends AbstractQuercusModule {
50 private static final L10N L = new L10N(HttpModule.class);
51
52
55 public static Value header(Env env, String header,
56 @Optional("true") boolean replace,
57 @Optional long httpResponseCode)
58 {
59 try {
60 HttpServletResponse res = env.getResponse();
61
62 if (res == null) {
63 env.error(L.l("header requires a http context"));
64 return NullValue.NULL;
65 }
66
67 int len = header.length();
68
69 if (header.startsWith("HTTP/")) {
70 int p = header.indexOf(' ');
71 int status = 0;
72 int ch;
73
74 for (; p < len && header.charAt(p) == ' '; p++) {
75 }
76
77 for (; p < len && '0' <= (ch = header.charAt(p)) && ch <= '9'; p++) {
78 status = 10 * status + ch - '0';
79 }
80
81 for (; p < len && header.charAt(p) == ' '; p++) {
82 }
83
84 if (status > 0) {
85 res.setStatus(status, header.substring(p));
86
87 return NullValue.NULL;
88 }
89 }
90
91 int p = header.indexOf(':');
92
93 if (p > 0) {
94 String key = header.substring(0, p).trim();
95 String value = header.substring(p + 1).trim();
96
97 if (key.equalsIgnoreCase("Location"))
98 res.sendRedirect(value);
99 else if (replace)
100 res.setHeader(key, value);
101 else
102 res.addHeader(key, value);
103
104 if (key.equalsIgnoreCase("Content-Type")) {
105 if (value.indexOf("charset") < 0 && value.indexOf("text/") < 0)
106 res.setCharacterEncoding("iso-8859-1");
107
108 env.getOut().setEncoding(res.getCharacterEncoding());
109 }
110 }
111
112 return NullValue.NULL;
113 } catch (IOException e) {
114 throw new QuercusModuleException(e);
115 }
116 }
117
118
121 public static boolean headers_sent(Env env,
122 @Optional @Reference Value file,
123 @Optional @Reference Value line)
124 {
125 HttpServletResponse res = env.getResponse();
126
127 return res.isCommitted();
128 }
129
130
133 public static boolean setcookie(Env env,
134 String name,
135 @Optional String value,
136 @Optional long expire,
137 @Optional String path,
138 @Optional String domain,
139 @Optional boolean secure)
140 {
141 if (value == null || value.equals(""))
142 value = "";
143
144 StringBuilder sb = new StringBuilder ();
145 int len = value.length();
146 for (int i = 0; i < len; i++) {
147 char ch = value.charAt(i);
148
149 switch (ch) {
150 case '%': case ';': case ':': case '{': case '}':
151 case ' ': case '\t': case '\n': case '\r':
152 case '"': case '\'':
153 {
154 sb.append('%');
155
156 int d = (ch / 16) & 0xf;
157 if (d < 10)
158 sb.append((char) ('0' + d));
159 else
160 sb.append((char) ('A' + d - 10));
161
162 d = ch & 0xf;
163 if (d < 10)
164 sb.append((char) ('0' + d));
165 else
166 sb.append((char) ('A' + d - 10));
167
168 break;
169 }
170
171 default:
172 sb.append(ch);
173 break;
174 }
175 }
176
177 Cookie cookie = new Cookie (name, sb.toString());
178
179 if (expire > 0)
180 cookie.setMaxAge((int) (expire - Alarm.getCurrentTime() / 1000));
181
182 if (path != null && ! path.equals(""))
183 cookie.setPath(path);
184
185 if (domain != null && ! domain.equals(""))
186 cookie.setDomain(domain);
187
188 if (secure)
189 cookie.setSecure(true);
190
191 env.getResponse().addCookie(cookie);
192
193 return true;
194 }
195
196
199 public static String urldecode(String s)
201 {
202 int len = s.length();
203 StringBuilder sb = new StringBuilder ();
204
205 for (int i = 0; i < len; i++) {
206 char ch = s.charAt(i);
207
208 if (ch == '%' && i + 2 < len) {
209 int d1 = s.charAt(i + 1);
210 int d2 = s.charAt(i + 2);
211
212 int v = 0;
213
214 if ('0' <= d1 && d1 <= '9')
215 v = 16 * (d1 - '0');
216 else if ('a' <= d1 && d1 <= 'f')
217 v = 16 * (d1 - 'a' + 10);
218 else if ('A' <= d1 && d1 <= 'F')
219 v = 16 * (d1 - 'A' + 10);
220 else {
221 sb.append('%');
222 continue;
223 }
224
225 if ('0' <= d2 && d2 <= '9')
226 v += (d2 - '0');
227 else if ('a' <= d2 && d2 <= 'f')
228 v += (d2 - 'a' + 10);
229 else if ('A' <= d2 && d2 <= 'F')
230 v += (d2 - 'A' + 10);
231 else {
232 sb.append('%');
233 continue;
234 }
235
236 i += 2;
237 sb.append((char) v);
238 }
239 else
240 sb.append(ch);
241 }
242
243 return sb.toString();
244 }
245 }
246
247 |
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