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
203 Set<String> languageIds = I18nServlet.getLanguageIds();
204
205 for (String languageId : languageIds) {
206 if (StringUtil.startsWith(friendlyURL, languageId)) {
207 pos = friendlyURL.indexOf(CharPool.SLASH, 1);
208
209 if (((pos != -1) && (pos != languageId.length())) ||
210 ((pos == -1) &&
211 !StringUtil.equalsIgnoreCase(friendlyURL, languageId))) {
212
213 continue;
214 }
215
216 if (pos == -1) {
217 i18nLanguageId = languageId;
218 friendlyURL = StringPool.SLASH;
219 }
220 else {
221 i18nLanguageId = languageId.substring(0, pos);
222 friendlyURL = friendlyURL.substring(pos);
223 }
224
225 break;
226 }
227 }
228
229 friendlyURL = StringUtil.replace(
230 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING, StringPool.BLANK);
231
232 if (_log.isDebugEnabled()) {
233 _log.debug("Friendly URL " + friendlyURL);
234 }
235
236 if (!friendlyURL.equals(StringPool.SLASH) &&
237 !isValidFriendlyURL(friendlyURL)) {
238
239 _log.debug("Friendly URL is not valid");
240
241 processFilter(
242 VirtualHostFilter.class.getName(), request, response,
243 filterChain);
244
245 return;
246 }
247
248 LayoutSet layoutSet = (LayoutSet)request.getAttribute(
249 WebKeys.VIRTUAL_HOST_LAYOUT_SET);
250
251 if (_log.isDebugEnabled()) {
252 _log.debug("Layout set " + layoutSet);
253 }
254
255 if (layoutSet == null) {
256 processFilter(
257 VirtualHostFilter.class.getName(), request, response,
258 filterChain);
259
260 return;
261 }
262
263 try {
264 LastPath lastPath = new LastPath(
265 originalContextPath, friendlyURL, request.getParameterMap());
266
267 request.setAttribute(WebKeys.LAST_PATH, lastPath);
268
269 StringBundler forwardURL = new StringBundler(5);
270
271 if (i18nLanguageId != null) {
272 forwardURL.append(i18nLanguageId);
273 }
274
275 if (originalFriendlyURL.startsWith(
276 PropsValues.WIDGET_SERVLET_MAPPING)) {
277
278 forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
279
280 friendlyURL = StringUtil.replaceFirst(
281 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
282 StringPool.BLANK);
283 }
284
285 long plid = PortalUtil.getPlidFromFriendlyURL(
286 companyId, friendlyURL);
287
288 if (plid <= 0) {
289 Group group = GroupLocalServiceUtil.getGroup(
290 layoutSet.getGroupId());
291
292 if (isDocumentFriendlyURL(
293 request, group.getGroupId(), friendlyURL)) {
294
295 processFilter(
296 VirtualHostFilter.class.getName(), request, response,
297 filterChain);
298
299 return;
300 }
301
302 if (group.isGuest() && friendlyURL.equals(StringPool.SLASH) &&
303 !layoutSet.isPrivateLayout()) {
304
305 String homeURL = PortalUtil.getRelativeHomeURL(request);
306
307 if (Validator.isNotNull(homeURL)) {
308 friendlyURL = homeURL;
309 }
310 }
311 else {
312 if (layoutSet.isPrivateLayout()) {
313 if (group.isUser()) {
314 forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
315 }
316 else {
317 forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
318 }
319 }
320 else {
321 forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
322 }
323
324 forwardURL.append(group.getFriendlyURL());
325 }
326 }
327
328 forwardURL.append(friendlyURL);
329
330 if (_log.isDebugEnabled()) {
331 _log.debug("Forward to " + forwardURL);
332 }
333
334 RequestDispatcher requestDispatcher =
335 _servletContext.getRequestDispatcher(forwardURL.toString());
336
337 requestDispatcher.forward(request, response);
338 }
339 catch (Exception e) {
340 _log.error(e, e);
341
342 processFilter(
343 VirtualHostFilter.class.getName(), request, response,
344 filterChain);
345 }
346 }
347
348 private static final String _PATH_DOCUMENTS = "/documents/";
349
350 private static final String _PATH_MODULE_SLASH =
351 Portal.PATH_MODULE + StringPool.SLASH;
352
353 private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
354 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
355
356 private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
357 _PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
358
359 private static final String _PRIVATE_USER_SERVLET_MAPPING =
360 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
361
362 private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
363 _PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
364
365 private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
366 PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
367
368 private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
369 _PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
370
371 private static final Log _log = LogFactoryUtil.getLog(
372 VirtualHostFilter.class);
373
374 private ServletContext _servletContext;
375
376 }