001
014
015 package com.liferay.portal.servlet.filters.virtualhost;
016
017 import com.liferay.portal.LayoutFriendlyURLException;
018 import com.liferay.portal.NoSuchLayoutException;
019 import com.liferay.portal.kernel.exception.PortalException;
020 import com.liferay.portal.kernel.exception.SystemException;
021 import com.liferay.portal.kernel.log.Log;
022 import com.liferay.portal.kernel.log.LogFactoryUtil;
023 import com.liferay.portal.kernel.struts.LastPath;
024 import com.liferay.portal.kernel.util.CharPool;
025 import com.liferay.portal.kernel.util.HttpUtil;
026 import com.liferay.portal.kernel.util.StringBundler;
027 import com.liferay.portal.kernel.util.StringPool;
028 import com.liferay.portal.kernel.util.StringUtil;
029 import com.liferay.portal.kernel.util.Validator;
030 import com.liferay.portal.model.Group;
031 import com.liferay.portal.model.LayoutSet;
032 import com.liferay.portal.model.impl.LayoutImpl;
033 import com.liferay.portal.service.LayoutLocalServiceUtil;
034 import com.liferay.portal.servlet.I18nServlet;
035 import com.liferay.portal.servlet.filters.BasePortalFilter;
036 import com.liferay.portal.util.Portal;
037 import com.liferay.portal.util.PortalInstances;
038 import com.liferay.portal.util.PortalUtil;
039 import com.liferay.portal.util.PropsValues;
040 import com.liferay.portal.util.WebKeys;
041 import com.liferay.portal.webserver.WebServerServlet;
042
043 import java.util.Map;
044
045 import javax.servlet.FilterChain;
046 import javax.servlet.FilterConfig;
047 import javax.servlet.RequestDispatcher;
048 import javax.servlet.ServletContext;
049 import javax.servlet.http.HttpServletRequest;
050 import javax.servlet.http.HttpServletResponse;
051
052
062 public class VirtualHostFilter extends BasePortalFilter {
063
064 @Override
065 public void init(FilterConfig filterConfig) {
066 super.init(filterConfig);
067
068 _servletContext = filterConfig.getServletContext();
069
070 String contextPath = PortalUtil.getPathContext();
071
072 String proxyPath = PortalUtil.getPathProxy();
073
074 if (!contextPath.isEmpty() && !proxyPath.isEmpty() &&
075 contextPath.startsWith(proxyPath)) {
076
077 contextPath = contextPath.substring(proxyPath.length());
078 }
079
080 _contextPath = contextPath;
081 }
082
083 @Override
084 public boolean isFilterEnabled(
085 HttpServletRequest request, HttpServletResponse response) {
086
087 String uri = request.getRequestURI();
088
089 for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
090 if (uri.endsWith(extension)) {
091 return false;
092 }
093 }
094
095 return true;
096 }
097
098 protected boolean isDocumentFriendlyURL(
099 HttpServletRequest request, long groupId, String friendlyURL)
100 throws PortalException, SystemException {
101
102 if (friendlyURL.startsWith(_PATH_DOCUMENTS) &&
103 WebServerServlet.hasFiles(request)) {
104
105 String path = HttpUtil.fixPath(request.getPathInfo());
106
107 String[] pathArray = StringUtil.split(path, CharPool.SLASH);
108
109 if (pathArray.length == 2) {
110 try {
111 LayoutLocalServiceUtil.getFriendlyURLLayout(
112 groupId, false, friendlyURL);
113 }
114 catch (NoSuchLayoutException nsle) {
115 return true;
116 }
117 }
118 else {
119 return true;
120 }
121 }
122
123 return false;
124 }
125
126 protected boolean isValidFriendlyURL(String friendlyURL) {
127 friendlyURL = StringUtil.toLowerCase(friendlyURL);
128
129 if (PortalInstances.isVirtualHostsIgnorePath(friendlyURL) ||
130 friendlyURL.startsWith(_PATH_MODULE_SLASH) ||
131 friendlyURL.startsWith(_PRIVATE_GROUP_SERVLET_MAPPING_SLASH) ||
132 friendlyURL.startsWith(_PRIVATE_USER_SERVLET_MAPPING_SLASH) ||
133 friendlyURL.startsWith(_PUBLIC_GROUP_SERVLET_MAPPING_SLASH)) {
134
135 return false;
136 }
137
138 if (LayoutImpl.hasFriendlyURLKeyword(friendlyURL)) {
139 return false;
140 }
141
142 int code = LayoutImpl.validateFriendlyURL(friendlyURL, false);
143
144 if ((code > -1) &&
145 (code != LayoutFriendlyURLException.ENDS_WITH_SLASH)) {
146
147 return false;
148 }
149
150 return true;
151 }
152
153
156 @Deprecated
157 protected boolean isValidRequestURL(StringBuffer requestURL) {
158 if (requestURL == null) {
159 return false;
160 }
161
162 String url = requestURL.toString();
163
164 for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
165 if (url.endsWith(extension)) {
166 return false;
167 }
168 }
169
170 return true;
171 }
172
173 @Override
174 protected void processFilter(
175 HttpServletRequest request, HttpServletResponse response,
176 FilterChain filterChain)
177 throws Exception {
178
179 long companyId = PortalInstances.getCompanyId(request);
180
181 String originalFriendlyURL = request.getRequestURI();
182
183 String friendlyURL = originalFriendlyURL;
184
185 friendlyURL = StringUtil.replace(
186 friendlyURL, StringPool.DOUBLE_SLASH, StringPool.SLASH);
187
188 if (!friendlyURL.equals(StringPool.SLASH) && !_contextPath.isEmpty() &&
189 (friendlyURL.length() > _contextPath.length()) &&
190 friendlyURL.startsWith(_contextPath) &&
191 friendlyURL.charAt(_contextPath.length()) == CharPool.SLASH) {
192
193 friendlyURL = friendlyURL.substring(_contextPath.length());
194 }
195
196 int pos = friendlyURL.indexOf(CharPool.SEMICOLON);
197
198 if (pos != -1) {
199 friendlyURL = friendlyURL.substring(0, pos);
200 }
201
202 String i18nLanguageId = _findLanguageId(friendlyURL);
203
204 if (i18nLanguageId != null) {
205 friendlyURL = friendlyURL.substring(i18nLanguageId.length());
206 }
207
208 friendlyURL = StringUtil.replace(
209 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING, StringPool.BLANK);
210
211 if (_log.isDebugEnabled()) {
212 _log.debug("Friendly URL " + friendlyURL);
213 }
214
215 if (!friendlyURL.equals(StringPool.SLASH) &&
216 !isValidFriendlyURL(friendlyURL)) {
217
218 _log.debug("Friendly URL is not valid");
219
220 if (i18nLanguageId != null) {
221 int offset =
222 originalFriendlyURL.length() - friendlyURL.length() -
223 i18nLanguageId.length();
224
225 if (!originalFriendlyURL.regionMatches(
226 offset, i18nLanguageId, 0, i18nLanguageId.length())) {
227
228 String forwardURL = originalFriendlyURL;
229
230 if (offset > 0) {
231 String prefix = originalFriendlyURL.substring(
232 0, offset);
233
234 forwardURL = prefix.concat(i18nLanguageId);
235 }
236 else {
237 forwardURL = i18nLanguageId;
238 }
239
240 forwardURL = forwardURL.concat(friendlyURL);
241
242 RequestDispatcher requestDispatcher =
243 _servletContext.getRequestDispatcher(forwardURL);
244
245 requestDispatcher.forward(request, response);
246
247 return;
248 }
249 }
250
251 processFilter(
252 VirtualHostFilter.class, request, response, filterChain);
253
254 return;
255 }
256
257 LayoutSet layoutSet = (LayoutSet)request.getAttribute(
258 WebKeys.VIRTUAL_HOST_LAYOUT_SET);
259
260 if (_log.isDebugEnabled()) {
261 _log.debug("Layout set " + layoutSet);
262 }
263
264 if (layoutSet == null) {
265 processFilter(
266 VirtualHostFilter.class, request, response, filterChain);
267
268 return;
269 }
270
271 try {
272 LastPath lastPath = new LastPath(
273 _contextPath, friendlyURL, request.getParameterMap());
274
275 request.setAttribute(WebKeys.LAST_PATH, lastPath);
276
277 StringBundler forwardURL = new StringBundler(5);
278
279 if (i18nLanguageId != null) {
280 forwardURL.append(i18nLanguageId);
281 }
282
283 if (originalFriendlyURL.startsWith(
284 PropsValues.WIDGET_SERVLET_MAPPING)) {
285
286 forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
287
288 friendlyURL = StringUtil.replaceFirst(
289 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
290 StringPool.BLANK);
291 }
292
293 if (friendlyURL.equals(StringPool.SLASH) ||
294 (PortalUtil.getPlidFromFriendlyURL(companyId, friendlyURL) <=
295 0)) {
296
297 Group group = layoutSet.getGroup();
298
299 if (isDocumentFriendlyURL(
300 request, group.getGroupId(), friendlyURL)) {
301
302 processFilter(
303 VirtualHostFilter.class, request, response,
304 filterChain);
305
306 return;
307 }
308
309 if (group.isGuest() && friendlyURL.equals(StringPool.SLASH) &&
310 !layoutSet.isPrivateLayout()) {
311
312 String homeURL = PortalUtil.getRelativeHomeURL(request);
313
314 if (Validator.isNotNull(homeURL)) {
315 friendlyURL = homeURL;
316 }
317 }
318 else {
319 if (layoutSet.isPrivateLayout()) {
320 if (group.isUser()) {
321 forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
322 }
323 else {
324 forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
325 }
326 }
327 else {
328 forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
329 }
330
331 forwardURL.append(group.getFriendlyURL());
332 }
333 }
334
335 String forwardURLString = friendlyURL;
336
337 if (forwardURL.index() > 0) {
338 forwardURL.append(friendlyURL);
339
340 forwardURLString = forwardURL.toString();
341 }
342
343 if (_log.isDebugEnabled()) {
344 _log.debug("Forward to " + forwardURLString);
345 }
346
347 RequestDispatcher requestDispatcher =
348 _servletContext.getRequestDispatcher(forwardURLString);
349
350 requestDispatcher.forward(request, response);
351 }
352 catch (Exception e) {
353 _log.error(e, e);
354
355 processFilter(
356 VirtualHostFilter.class, request, response, filterChain);
357 }
358 }
359
360 private String _findLanguageId(String friendlyURL) {
361 if (friendlyURL.isEmpty() ||
362 (friendlyURL.charAt(0) != CharPool.SLASH)) {
363
364 return null;
365 }
366
367 String lowerCaseLanguageId = friendlyURL;
368
369 int index = friendlyURL.indexOf(CharPool.SLASH, 1);
370
371 if (index != -1) {
372 lowerCaseLanguageId = friendlyURL.substring(0, index);
373 }
374
375 lowerCaseLanguageId = StringUtil.toLowerCase(lowerCaseLanguageId);
376
377 Map<String, String> languageIds = I18nServlet.getLanguageIdsMap();
378
379 String languageId = languageIds.get(lowerCaseLanguageId);
380
381 if (languageId == null) {
382 return null;
383 }
384
385 return languageId;
386 }
387
388 private static final String _PATH_DOCUMENTS = "/documents/";
389
390 private static final String _PATH_MODULE_SLASH =
391 Portal.PATH_MODULE + StringPool.SLASH;
392
393 private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
394 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
395
396 private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
397 _PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
398
399 private static final String _PRIVATE_USER_SERVLET_MAPPING =
400 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
401
402 private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
403 _PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
404
405 private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
406 PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
407
408 private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
409 _PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
410
411 private static Log _log = LogFactoryUtil.getLog(VirtualHostFilter.class);
412
413 private String _contextPath;
414 private ServletContext _servletContext;
415
416 }