|
1
31
32 package org.opencms.workplace.commons;
33
34 import org.opencms.file.CmsBackupResource;
35 import org.opencms.file.CmsObject;
36 import org.opencms.file.CmsResourceFilter;
37 import org.opencms.file.CmsVfsResourceNotFoundException;
38 import org.opencms.flex.CmsFlexController;
39 import org.opencms.i18n.CmsEncoder;
40 import org.opencms.jsp.CmsJspActionElement;
41 import org.opencms.main.CmsException;
42 import org.opencms.main.CmsLog;
43 import org.opencms.main.OpenCms;
44 import org.opencms.site.CmsSiteManager;
45 import org.opencms.staticexport.CmsStaticExportManager;
46 import org.opencms.util.CmsRequestUtil;
47 import org.opencms.util.CmsStringUtil;
48 import org.opencms.workplace.CmsDialog;
49 import org.opencms.workplace.CmsWorkplaceSettings;
50
51 import java.io.IOException  ;
52 import java.net.HttpURLConnection ;
53 import java.net.URL ;
54
55 import javax.servlet.http.HttpServletRequest ;
56 import javax.servlet.http.HttpServletResponse ;
57 import javax.servlet.jsp.PageContext ;
58
59 import org.apache.commons.logging.Log;
60
61
79 public class CmsDisplayResource extends CmsDialog {
80
81
82 public static final String PARAM_VERSIONID = "versionid";
83
84
85 private static final Log LOG = CmsLog.getLog(CmsDisplayResource.class);
86
87
88 private String m_paramVersionid;
89
90
95 public CmsDisplayResource(CmsJspActionElement jsp) {
96
97 super(jsp);
98 }
99
100
107 public CmsDisplayResource(PageContext context, HttpServletRequest req, HttpServletResponse res) {
108
109 this(new CmsJspActionElement(context, req, res));
110 }
111
112
120 protected static byte[] getBackupResourceContent(CmsObject cms, String resource, String versionId) {
121
122 if (CmsStringUtil.isNotEmpty(resource) && CmsStringUtil.isNotEmpty(versionId)) {
123
124 CmsBackupResource res = null;
126 try {
127 cms.getRequestContext().saveSiteRoot();
128 cms.getRequestContext().setSiteRoot("/");
129 res = cms.readBackupFile(resource, Integer.parseInt(versionId));
130 } catch (CmsException e) {
131 if (LOG.isInfoEnabled()) {
133 LOG.info(e.getLocalizedMessage());
134 }
135 return "".getBytes();
136 } finally {
137 cms.getRequestContext().restoreSiteRoot();
138 }
139 byte[] backupResourceContent = res.getContents();
140 backupResourceContent = CmsEncoder.changeEncoding(
141 backupResourceContent,
142 OpenCms.getSystemInfo().getDefaultEncoding(),
143 cms.getRequestContext().getEncoding());
144 return backupResourceContent;
145 }
146
147 return "".getBytes();
148 }
149
150
155 public void actionShow() throws Exception {
156
157 if (CmsStringUtil.isNotEmpty(getParamVersionid())) {
159 byte[] result = getBackupResourceContent(getCms(), getParamResource(), getParamVersionid());
160 if (result != null) {
161 String contentType = OpenCms.getResourceManager().getMimeType(
163 getParamResource(),
164 getCms().getRequestContext().getEncoding());
165
166 HttpServletResponse res = getJsp().getResponse();
167 HttpServletRequest req = getJsp().getRequest();
168
169 res.setHeader(
170 CmsRequestUtil.HEADER_CONTENT_DISPOSITION,
171 new StringBuffer ("attachment; filename=\"").append(getParamResource()).append("\"").toString());
172 res.setContentLength(result.length);
173
174 CmsFlexController controller = CmsFlexController.getController(req);
175 res = controller.getTopResponse();
176 res.setContentType(contentType);
177
178 try {
179 res.getOutputStream().write(result);
180 res.getOutputStream().flush();
181 } catch (IOException e) {
182 if (LOG.isInfoEnabled()) {
184 LOG.info(e.getLocalizedMessage());
185 }
186 return;
187 }
188 }
189 } else {
190 if (getCms().existsResource(getParamResource(), CmsResourceFilter.DEFAULT)) {
191 String url = getJsp().link(getParamResource());
192 if (url.indexOf("//:") < 0 && getCms().getRequestContext().currentProject().isOnlineProject()) {
194 String site = getCms().getRequestContext().getSiteRoot();
195 if (CmsStringUtil.isEmptyOrWhitespaceOnly(site)) {
196 site = OpenCms.getSiteManager().getDefaultUri();
197 if (CmsStringUtil.isEmptyOrWhitespaceOnly(site)) {
198 url = OpenCms.getSiteManager().getWorkplaceServer() + url;
199 } else if (CmsSiteManager.getSite(site) == null) {
200 url = OpenCms.getSiteManager().getWorkplaceServer() + url;
201 } else {
202 url = CmsSiteManager.getSite(site).getUrl() + url;
203 }
204 } else {
205 url = CmsSiteManager.getSite(site).getUrl() + url;
206 }
207 try {
208 CmsStaticExportManager manager = OpenCms.getStaticExportManager();
209 HttpURLConnection.setFollowRedirects(false);
210 URL exportUrl = new URL (manager.getExportUrl()
212 + manager.getRfsName(getCms(), getParamResource()));
213 HttpURLConnection urlcon = (HttpURLConnection )exportUrl.openConnection();
214 urlcon.setRequestMethod("GET");
216 urlcon.setRequestProperty(CmsRequestUtil.HEADER_OPENCMS_EXPORT, Boolean.TRUE.toString());
217 if (manager.getAcceptLanguageHeader() != null) {
218 urlcon.setRequestProperty(
219 CmsRequestUtil.HEADER_ACCEPT_LANGUAGE,
220 manager.getAcceptLanguageHeader());
221 } else {
222 urlcon.setRequestProperty(
223 CmsRequestUtil.HEADER_ACCEPT_LANGUAGE,
224 manager.getDefaultAcceptLanguageHeader());
225 }
226 if (manager.getAcceptCharsetHeader() != null) {
227 urlcon.setRequestProperty(
228 CmsRequestUtil.HEADER_ACCEPT_CHARSET,
229 manager.getAcceptCharsetHeader());
230 } else {
231 urlcon.setRequestProperty(
232 CmsRequestUtil.HEADER_ACCEPT_CHARSET,
233 manager.getDefaultAcceptCharsetHeader());
234 }
235 urlcon.connect();
237 urlcon.getResponseCode();
238 urlcon.disconnect();
239
240 } catch (Exception e) {
241 }
243 }
244 getJsp().getResponse().sendRedirect(url);
245 } else {
246 if (getCms().existsResource(getParamResource(), CmsResourceFilter.ALL)) {
247 if (getCms().existsResource(getParamResource(), CmsResourceFilter.IGNORE_EXPIRATION)) {
248 throw new CmsVfsResourceNotFoundException(Messages.get().container(
250 Messages.ERR_RESOURCE_OUTSIDE_TIMEWINDOW_1,
251 getParamResource()));
252 } else {
253 throw new CmsVfsResourceNotFoundException(Messages.get().container(
255 Messages.ERR_RESOURCE_DELETED_2,
256 getParamResource(),
257 getCms().getRequestContext().currentProject().getName()));
258 }
259 }
260 throw new CmsVfsResourceNotFoundException(Messages.get().container(
262 Messages.ERR_RESOURCE_DOES_NOT_EXIST_3,
263 getParamResource(),
264 getCms().getRequestContext().currentProject().getName(),
265 getCms().getRequestContext().getSiteRoot()));
266 }
267 }
268 }
269
270
275 public String getParamVersionid() {
276
277 return m_paramVersionid;
278 }
279
280
285 public void setParamVersionid(String paramVersionid) {
286
287 m_paramVersionid = paramVersionid;
288 }
289
290
293 protected void initWorkplaceRequestValues(CmsWorkplaceSettings settings, HttpServletRequest request) {
294
295 fillParamValues(settings, request);
296 }
297 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.