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 contextPath = PortalUtil.getPathContext();
165
166 String originalFriendlyURL = request.getRequestURI();
167
168 String friendlyURL = originalFriendlyURL;
169
170 if (Validator.isNotNull(contextPath) &&
171 friendlyURL.contains(contextPath)) {
172
173 friendlyURL = friendlyURL.substring(contextPath.length());
174 }
175
176 int pos = friendlyURL.indexOf(StringPool.SEMICOLON);
177
178 if (pos != -1) {
179 friendlyURL = friendlyURL.substring(0, pos);
180 }
181
182 friendlyURL = StringUtil.replace(
183 friendlyURL, StringPool.DOUBLE_SLASH, StringPool.SLASH);
184
185 String i18nLanguageId = null;
186
187 Set<String> languageIds = I18nServlet.getLanguageIds();
188
189 for (String languageId : languageIds) {
190 if (StringUtil.startsWith(friendlyURL, languageId)) {
191 pos = friendlyURL.indexOf(CharPool.SLASH, 1);
192
193 if (((pos != -1) && (pos != languageId.length())) ||
194 ((pos == -1) &&
195 !StringUtil.equalsIgnoreCase(friendlyURL, languageId))) {
196
197 continue;
198 }
199
200 if (pos == -1) {
201 i18nLanguageId = languageId;
202 friendlyURL = StringPool.SLASH;
203 }
204 else {
205 i18nLanguageId = languageId.substring(0, pos);
206 friendlyURL = friendlyURL.substring(pos);
207 }
208
209 break;
210 }
211 }
212
213 friendlyURL = StringUtil.replace(
214 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING, StringPool.BLANK);
215
216 if (_log.isDebugEnabled()) {
217 _log.debug("Friendly URL " + friendlyURL);
218 }
219
220 if (!friendlyURL.equals(StringPool.SLASH) &&
221 !isValidFriendlyURL(friendlyURL)) {
222
223 _log.debug("Friendly URL is not valid");
224
225 processFilter(
226 VirtualHostFilter.class, request, response, filterChain);
227
228 return;
229 }
230
231 LayoutSet layoutSet = (LayoutSet)request.getAttribute(
232 WebKeys.VIRTUAL_HOST_LAYOUT_SET);
233
234 if (_log.isDebugEnabled()) {
235 _log.debug("Layout set " + layoutSet);
236 }
237
238 if (layoutSet == null) {
239 processFilter(
240 VirtualHostFilter.class, request, response, filterChain);
241
242 return;
243 }
244
245 try {
246 LastPath lastPath = new LastPath(
247 contextPath, friendlyURL, request.getParameterMap());
248
249 request.setAttribute(WebKeys.LAST_PATH, lastPath);
250
251 StringBundler forwardURL = new StringBundler(5);
252
253 if (i18nLanguageId != null) {
254 forwardURL.append(i18nLanguageId);
255 }
256
257 if (originalFriendlyURL.startsWith(
258 PropsValues.WIDGET_SERVLET_MAPPING)) {
259
260 forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
261
262 friendlyURL = StringUtil.replaceFirst(
263 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
264 StringPool.BLANK);
265 }
266
267 long plid = PortalUtil.getPlidFromFriendlyURL(
268 companyId, friendlyURL);
269
270 if (plid <= 0) {
271 Group group = GroupLocalServiceUtil.getGroup(
272 layoutSet.getGroupId());
273
274 if (isDocumentFriendlyURL(
275 request, group.getGroupId(), friendlyURL)) {
276
277 processFilter(
278 VirtualHostFilter.class, request, response,
279 filterChain);
280
281 return;
282 }
283
284 if (group.isGuest() && friendlyURL.equals(StringPool.SLASH) &&
285 !layoutSet.isPrivateLayout()) {
286
287 String homeURL = PortalUtil.getRelativeHomeURL(request);
288
289 if (Validator.isNotNull(homeURL)) {
290 friendlyURL = homeURL;
291 }
292 }
293 else {
294 if (layoutSet.isPrivateLayout()) {
295 if (group.isUser()) {
296 forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
297 }
298 else {
299 forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
300 }
301 }
302 else {
303 forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
304 }
305
306 forwardURL.append(group.getFriendlyURL());
307 }
308 }
309
310 forwardURL.append(friendlyURL);
311
312 if (_log.isDebugEnabled()) {
313 _log.debug("Forward to " + forwardURL);
314 }
315
316 RequestDispatcher requestDispatcher =
317 _servletContext.getRequestDispatcher(forwardURL.toString());
318
319 requestDispatcher.forward(request, response);
320 }
321 catch (Exception e) {
322 _log.error(e, e);
323
324 processFilter(
325 VirtualHostFilter.class, request, response, filterChain);
326 }
327 }
328
329 private static final String _PATH_DOCUMENTS = "/documents/";
330
331 private static final String _PATH_MODULE_SLASH =
332 Portal.PATH_MODULE + StringPool.SLASH;
333
334 private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
335 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
336
337 private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
338 _PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
339
340 private static final String _PRIVATE_USER_SERVLET_MAPPING =
341 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
342
343 private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
344 _PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
345
346 private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
347 PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
348
349 private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
350 _PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
351
352 private static final Log _log = LogFactoryUtil.getLog(
353 VirtualHostFilter.class);
354
355 private ServletContext _servletContext;
356
357 }