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1
29
30 package com.caucho.servlets.ssi;
31
32 import com.caucho.util.Alarm;
33 import com.caucho.util.IntMap;
34 import com.caucho.util.QDate;
35 import com.caucho.vfs.Path;
36
37 import javax.servlet.http.HttpServletRequest  ;
38 import javax.servlet.http.HttpServletResponse ;
39
40
43 public class VarExpr extends SSIExpr {
44 private static final int ATTRIBUTE = 0;
45 private static final int HTTP_ = ATTRIBUTE + 1;
46
47 private static final int SERVER_SOFTWARE = HTTP_ + 1;
48 private static final int SERVER_NAME = SERVER_SOFTWARE + 1;
49 private static final int SERVER_ADDR = SERVER_NAME + 1;
50 private static final int SERVER_PORT = SERVER_ADDR + 1;
51 private static final int REMOTE_ADDR = SERVER_PORT + 1;
52 private static final int REMOTE_PORT = REMOTE_ADDR + 1;
53 private static final int REMOTE_USER = REMOTE_PORT + 1;
54 private static final int AUTH_TYPE = REMOTE_USER + 1;
55 private static final int GATEWAY_INTERFACE = AUTH_TYPE + 1;
56 private static final int SERVER_PROTOCOL = GATEWAY_INTERFACE + 1;
57 private static final int REQUEST_METHOD = SERVER_PROTOCOL + 1;
58 private static final int QUERY_STRING = REQUEST_METHOD + 1;
59 private static final int REQUEST_URI = QUERY_STRING + 1;
60 private static final int SCRIPT_FILENAME = REQUEST_URI + 1;
61 private static final int SCRIPT_NAME = SCRIPT_FILENAME + 1;
62 private static final int PATH_INFO = SCRIPT_NAME + 1;
63 private static final int PATH_TRANSLATED = PATH_INFO + 1;
64 private static final int CONTENT_LENGTH = PATH_TRANSLATED + 1;
65 private static final int CONTENT_TYPE = CONTENT_LENGTH + 1;
66
67 private static final int DATE_GMT = CONTENT_TYPE + 1;
68 private static final int DATE_LOCAL = DATE_GMT + 1;
69 private static final int DOCUMENT_NAME = DATE_LOCAL + 1;
70 private static final int DOCUMENT_URI = DOCUMENT_NAME + 1;
71 private static final int LAST_MODIFIED = DOCUMENT_URI + 1;
72 private static final int USER_NAME = LAST_MODIFIED + 1;
73
74 private static final IntMap _varMap = new IntMap();
75
76 private final int _code;
77
78 private final String _var;
79
80 private final Path _path;
81
82 VarExpr(String var, Path path)
83 {
84 int code = _varMap.get(var.toLowerCase());
85
86 if (code > 0) {
87 }
88 else if (var.startsWith("HTTP_")) {
89 var = var.substring(5).replace('_', '-').toLowerCase();
90 code = HTTP_;
91 }
92 else
93 code = ATTRIBUTE;
94
95 _code = code;
96 _var = var;
97
98 _path = path;
99 }
100
101
104 public String evalString(HttpServletRequest request,
105 HttpServletResponse response)
106 {
107 String fmt;
108 String value = null;
109
110 switch (_code) {
111 case ATTRIBUTE:
112 value = String.valueOf(request.getAttribute(_var));
113 break;
114
115 case HTTP_:
116 value = request.getHeader(_var);
117 break;
118
119 case SERVER_SOFTWARE:
120 value = "Resin/" + com.caucho.Version.VERSION;
121 break;
122
123 case SERVER_NAME:
124 case SERVER_ADDR:
125 value = request.getServerName();
126 break;
127
128 case SERVER_PORT:
129 value = String.valueOf(request.getServerPort());
130 break;
131
132 case REMOTE_ADDR:
133 value = request.getServerName();
134 break;
135
136 case REMOTE_PORT:
137 value = String.valueOf(request.getServerPort());
138 break;
139
140 case REMOTE_USER:
141 value = request.getRemoteUser();
142 break;
143
144 case AUTH_TYPE:
145 value = request.getAuthType();
146 break;
147
148 case GATEWAY_INTERFACE:
149 value = "CGI/1.1";
150 break;
151
152 case SERVER_PROTOCOL:
153 value = request.getProtocol();
154 break;
155
156 case REQUEST_METHOD:
157 value = request.getMethod();
158 break;
159
160 case QUERY_STRING:
161 value = request.getQueryString();
162 break;
163
164 case REQUEST_URI:
165 value = request.getRequestURI();
166 break;
167
168 case PATH_INFO:
169 value = request.getPathInfo();
170 break;
171
172 case PATH_TRANSLATED:
173 value = request.getRealPath(request.getPathInfo());
174 break;
175
176 case CONTENT_LENGTH:
177 value = String.valueOf(request.getContentLength());
178 break;
179
180 case CONTENT_TYPE:
181 value = request.getHeader("Content-Type");
182 break;
183
184 case DATE_GMT:
185 fmt = (String ) request.getAttribute("caucho.ssi.timefmt");
186 if (fmt == null)
187 fmt = "%Y-%m-%d %H:%M:%S";
188 value = QDate.formatGMT(Alarm.getCurrentTime(), fmt);
189 break;
190
191 case DATE_LOCAL:
192 fmt = (String ) request.getAttribute("caucho.ssi.timefmt");
193 if (fmt == null)
194 fmt = "%Y-%m-%d %H:%M:%S";
195
196 value = QDate.formatLocal(Alarm.getCurrentTime(), fmt);
197 break;
198
199 case DOCUMENT_NAME:
200 value = _path.getTail();
201 break;
202
203 case DOCUMENT_URI:
204 value = request.getRequestURI();
205 break;
206
207 case LAST_MODIFIED:
208 fmt = (String ) request.getAttribute("caucho.ssi.timefmt");
209 if (fmt == null)
210 fmt = "%Y-%m-%d %H:%M:%S";
211
212 value = QDate.formatLocal(_path.getLastModified(), fmt);
213 break;
214
215 case USER_NAME:
216 default:
217 break;
218 }
219
220 if (value != null)
221 return value;
222 else
223 return "(null)";
224 }
225
226 static {
227 _varMap.put("server_software", SERVER_SOFTWARE);
228 _varMap.put("server_name", SERVER_NAME);
229 _varMap.put("server_addr", SERVER_ADDR);
230 _varMap.put("server_port", SERVER_PORT);
231 _varMap.put("remote_addr", REMOTE_ADDR);
232 _varMap.put("remote_port", REMOTE_PORT);
233 _varMap.put("remote_user", REMOTE_USER);
234 _varMap.put("auth_type", AUTH_TYPE);
235 _varMap.put("gateway_interface", GATEWAY_INTERFACE);
236 _varMap.put("server_protocol", SERVER_PROTOCOL);
237 _varMap.put("request_method", REQUEST_METHOD);
238 _varMap.put("query_string", QUERY_STRING);
239 _varMap.put("request_uri", REQUEST_URI);
240 _varMap.put("script_filename", SCRIPT_FILENAME);
241 _varMap.put("script_name", SCRIPT_NAME);
242 _varMap.put("path_info", PATH_INFO);
243 _varMap.put("path_translated", PATH_TRANSLATED);
244 _varMap.put("content_length", CONTENT_LENGTH);
245 _varMap.put("content_type", CONTENT_TYPE);
246
247 _varMap.put("date_gmt", DATE_GMT);
248 _varMap.put("date_local", DATE_LOCAL);
249 _varMap.put("document_name", DOCUMENT_NAME);
250 _varMap.put("document_uri", DOCUMENT_URI);
251 _varMap.put("last_modified", LAST_MODIFIED);
252 _varMap.put("user_name", USER_NAME);
253 }
254 }
255 |
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