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.log.Log;
021 import com.liferay.portal.kernel.log.LogFactoryUtil;
022 import com.liferay.portal.kernel.struts.LastPath;
023 import com.liferay.portal.kernel.util.CharPool;
024 import com.liferay.portal.kernel.util.HttpUtil;
025 import com.liferay.portal.kernel.util.StringBundler;
026 import com.liferay.portal.kernel.util.StringPool;
027 import com.liferay.portal.kernel.util.StringUtil;
028 import com.liferay.portal.kernel.util.Validator;
029 import com.liferay.portal.kernel.util.WebKeys;
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.GroupLocalServiceUtil;
034 import com.liferay.portal.service.LayoutLocalServiceUtil;
035 import com.liferay.portal.servlet.I18nServlet;
036 import com.liferay.portal.servlet.filters.BasePortalFilter;
037 import com.liferay.portal.util.Portal;
038 import com.liferay.portal.util.PortalInstances;
039 import com.liferay.portal.util.PortalUtil;
040 import com.liferay.portal.util.PropsValues;
041 import com.liferay.portal.webserver.WebServerServlet;
042
043 import java.util.Set;
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
071 @Override
072 public boolean isFilterEnabled(
073 HttpServletRequest request, HttpServletResponse response) {
074
075 StringBuffer requestURL = request.getRequestURL();
076
077 if (isValidRequestURL(requestURL)) {
078 return true;
079 }
080 else {
081 return false;
082 }
083 }
084
085 protected boolean isDocumentFriendlyURL(
086 HttpServletRequest request, long groupId, String friendlyURL)
087 throws PortalException {
088
089 if (friendlyURL.startsWith(_PATH_DOCUMENTS) &&
090 WebServerServlet.hasFiles(request)) {
091
092 String path = HttpUtil.fixPath(request.getPathInfo());
093
094 String[] pathArray = StringUtil.split(path, CharPool.SLASH);
095
096 if (pathArray.length == 2) {
097 try {
098 LayoutLocalServiceUtil.getFriendlyURLLayout(
099 groupId, false, friendlyURL);
100 }
101 catch (NoSuchLayoutException nsle) {
102 return true;
103 }
104 }
105 else {
106 return true;
107 }
108 }
109
110 return false;
111 }
112
113 protected boolean isValidFriendlyURL(String friendlyURL) {
114 friendlyURL = StringUtil.toLowerCase(friendlyURL);
115
116 if (PortalInstances.isVirtualHostsIgnorePath(friendlyURL) ||
117 friendlyURL.startsWith(_PATH_MODULE_SLASH) ||
118 friendlyURL.startsWith(_PRIVATE_GROUP_SERVLET_MAPPING_SLASH) ||
119 friendlyURL.startsWith(_PRIVATE_USER_SERVLET_MAPPING_SLASH) ||
120 friendlyURL.startsWith(_PUBLIC_GROUP_SERVLET_MAPPING_SLASH)) {
121
122 return false;
123 }
124
125 if (LayoutImpl.hasFriendlyURLKeyword(friendlyURL)) {
126 return false;
127 }
128
129 int code = LayoutImpl.validateFriendlyURL(friendlyURL, false);
130
131 if ((code > -1) &&
132 (code != LayoutFriendlyURLException.ENDS_WITH_SLASH)) {
133
134 return false;
135 }
136
137 return true;
138 }
139
140 protected boolean isValidRequestURL(StringBuffer requestURL) {
141 if (requestURL == null) {
142 return false;
143 }
144
145 String url = requestURL.toString();
146
147 for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
148 if (url.endsWith(extension)) {
149 return false;
150 }
151 }
152
153 return true;
154 }
155
156 @Override
157 protected void processFilter(
158 HttpServletRequest request, HttpServletResponse response,
159 FilterChain filterChain)
160 throws Exception {
161
162 long companyId = PortalInstances.getCompanyId(request);
163
164 String originalContextPath = PortalUtil.getPathContext();
165
166 String contextPath = originalContextPath;
167
168 String originalFriendlyURL = request.getRequestURI();
169
170 String friendlyURL = originalFriendlyURL;
171
172 friendlyURL = StringUtil.replace(
173 friendlyURL, StringPool.DOUBLE_SLASH, StringPool.SLASH);
174
175 if (!friendlyURL.equals(StringPool.SLASH) &&
176 Validator.isNotNull(contextPath)) {
177
178 String proxyPath = PortalUtil.getPathProxy();
179
180 if (Validator.isNotNull(proxyPath) &&
181 contextPath.startsWith(proxyPath)) {
182
183 contextPath = contextPath.substring(proxyPath.length());
184 }
185
186 if (friendlyURL.startsWith(contextPath) &&
187 StringUtil.startsWith(
188 friendlyURL.substring(contextPath.length()),
189 StringPool.SLASH)) {
190
191 friendlyURL = friendlyURL.substring(contextPath.length());
192 }
193 }
194
195 int pos = friendlyURL.indexOf(StringPool.SEMICOLON);
196
197 if (pos != -1) {
198 friendlyURL = friendlyURL.substring(0, pos);
199 }
200
201 String i18nLanguageId = null;
202 String i18nLanguageIdLowerCase = null;
203
204 Set<String> languageIds = I18nServlet.getLanguageIds();
205
206 for (String languageId : languageIds) {
207 if (StringUtil.startsWith(friendlyURL, languageId)) {
208 pos = friendlyURL.indexOf(CharPool.SLASH, 1);
209
210 if (((pos != -1) && (pos != languageId.length())) ||
211 ((pos == -1) &&
212 !StringUtil.equalsIgnoreCase(friendlyURL, languageId))) {
213
214 continue;
215 }
216
217 if (!friendlyURL.startsWith(languageId)) {
218 i18nLanguageIdLowerCase = StringUtil.toLowerCase(
219 languageId);
220 }
221
222 if (pos == -1) {
223 i18nLanguageId = languageId;
224 friendlyURL = StringPool.SLASH;
225 }
226 else {
227 i18nLanguageId = languageId.substring(0, pos);
228 friendlyURL = friendlyURL.substring(pos);
229 }
230
231 break;
232 }
233 }
234
235 friendlyURL = StringUtil.replace(
236 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING, StringPool.BLANK);
237
238 if (_log.isDebugEnabled()) {
239 _log.debug("Friendly URL " + friendlyURL);
240 }
241
242 if (!friendlyURL.equals(StringPool.SLASH) &&
243 !isValidFriendlyURL(friendlyURL)) {
244
245 _log.debug("Friendly URL is not valid");
246
247 if (Validator.isNotNull(i18nLanguageIdLowerCase)) {
248 String forwardURL = StringUtil.replace(
249 originalFriendlyURL, i18nLanguageIdLowerCase,
250 i18nLanguageId);
251
252 RequestDispatcher requestDispatcher =
253 _servletContext.getRequestDispatcher(forwardURL);
254
255 requestDispatcher.forward(request, response);
256
257 return;
258 }
259 else {
260 processFilter(
261 VirtualHostFilter.class.getName(), request, response,
262 filterChain);
263
264 return;
265 }
266 }
267
268 LayoutSet layoutSet = (LayoutSet)request.getAttribute(
269 WebKeys.VIRTUAL_HOST_LAYOUT_SET);
270
271 if (_log.isDebugEnabled()) {
272 _log.debug("Layout set " + layoutSet);
273 }
274
275 if (layoutSet == null) {
276 processFilter(
277 VirtualHostFilter.class.getName(), request, response,
278 filterChain);
279
280 return;
281 }
282
283 try {
284 LastPath lastPath = new LastPath(
285 originalContextPath, friendlyURL, request.getParameterMap());
286
287 request.setAttribute(WebKeys.LAST_PATH, lastPath);
288
289 StringBundler forwardURL = new StringBundler(5);
290
291 if (i18nLanguageId != null) {
292 forwardURL.append(i18nLanguageId);
293 }
294
295 if (originalFriendlyURL.startsWith(
296 PropsValues.WIDGET_SERVLET_MAPPING)) {
297
298 forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
299
300 friendlyURL = StringUtil.replaceFirst(
301 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
302 StringPool.BLANK);
303 }
304
305 long plid = PortalUtil.getPlidFromFriendlyURL(
306 companyId, friendlyURL);
307
308 if (plid <= 0) {
309 Group group = GroupLocalServiceUtil.getGroup(
310 layoutSet.getGroupId());
311
312 if (isDocumentFriendlyURL(
313 request, group.getGroupId(), friendlyURL)) {
314
315 processFilter(
316 VirtualHostFilter.class.getName(), request, response,
317 filterChain);
318
319 return;
320 }
321
322 if (group.isGuest() && friendlyURL.equals(StringPool.SLASH) &&
323 !layoutSet.isPrivateLayout()) {
324
325 String homeURL = PortalUtil.getRelativeHomeURL(request);
326
327 if (Validator.isNotNull(homeURL)) {
328 friendlyURL = homeURL;
329 }
330 }
331 else {
332 if (layoutSet.isPrivateLayout()) {
333 if (group.isUser()) {
334 forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
335 }
336 else {
337 forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
338 }
339 }
340 else {
341 forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
342 }
343
344 forwardURL.append(group.getFriendlyURL());
345 }
346 }
347
348 forwardURL.append(friendlyURL);
349
350 if (_log.isDebugEnabled()) {
351 _log.debug("Forward to " + forwardURL);
352 }
353
354 RequestDispatcher requestDispatcher =
355 _servletContext.getRequestDispatcher(forwardURL.toString());
356
357 requestDispatcher.forward(request, response);
358 }
359 catch (Exception e) {
360 _log.error(e, e);
361
362 processFilter(
363 VirtualHostFilter.class.getName(), request, response,
364 filterChain);
365 }
366 }
367
368 private static final String _PATH_DOCUMENTS = "/documents/";
369
370 private static final String _PATH_MODULE_SLASH =
371 Portal.PATH_MODULE + StringPool.SLASH;
372
373 private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
374 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
375
376 private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
377 _PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
378
379 private static final String _PRIVATE_USER_SERVLET_MAPPING =
380 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
381
382 private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
383 _PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
384
385 private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
386 PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
387
388 private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
389 _PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
390
391 private static final Log _log = LogFactoryUtil.getLog(
392 VirtualHostFilter.class);
393
394 private ServletContext _servletContext;
395
396 }