Examples of org.meshcms.util.Path

org.meshcms.util.Path
An abstract representation of a file path. The root of the path is undefined, and the path can be relative (i.e. can start with '..'). Example of paths are:
- (the empty path)
  This is meant as the (relative) root;
- filename.txt
- home/user/document.html
- ../../directoryname
A Path can be created from any object. When you call a constructor, the path is initialized as empty, then the objects passed to the constructor are added to it. When all objects have been added, the path is simplified by removing redundant elements. For example, "home/user/../otheruser" is reduced to "home/otheruser". After the constructor returns, the Path object is immutable. When you call a method to modify it (like one of the add() methods), it returns a new Path that is the result of the requested operation. The objects are added as follows:
- if the object is null, nothing is added;
- if it is another Path, its elements are added;
- if it is a String, it is split in tokens (divided by slashes or backslashes) and these tokens are added as elements;
- if it is a Collection, any member of the Collection is added as a separate object;
- if it is an array of Strings, any member of the array is added as a separate String (to be tokenized);
- if it is another kind of object, its toString() method is called and the returned String is tokenized and added.
@author Luciano Vernaschi

   * Returns the <code>Path</code> of a file in the context.
   *
   * @see #getFile
   */
  public Path getPath(File file) {
    return new Path(Utils.getRelativePath(rootFile, file, "/"));
  }

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  public Path getPath(File file) {
    return new Path(Utils.getRelativePath(rootFile, file, "/"));
  }


  public Path getRequestedPath(HttpServletRequest request) {
    return new Path(request.getServletPath());
  }

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  public Path getRequestedPath(HttpServletRequest request) {
    return new Path(request.getServletPath());
  }


  public Path getServedPath(HttpServletRequest request) {
    return new Path(request.getServletPath());
  }

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  public String getAbsoluteLink(PageInfo pageInfo) {
    return getAbsoluteLink(pageInfo.getPath());
  }


  public Path getLink(Path path, Path pagePath) {
    Path link = path.getRelativeTo(getDirectory(pagePath));


    if (link.getElementCount() == 0 && isDirectory(path)) {
      Path welcome = getSiteMap().getCurrentWelcome(path);


      if (welcome != null) {
        link = welcome.getRelativeTo(getDirectory(pagePath));
      }
    }


    return link;
  }

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   * Returns the complete tag used by pages in the admin folder. This way those
   * pages can set to be themed according to the site preferences (i.e. using
   * a custom theme or the default admin theme).
   */
  public String getAdminMetaThemeTag() {
    Path themePath = getThemePath(adminPath);
    return "<meta name=\"decorator\" content=\"/" + getServedPath(themePath) +
        "/" + SiteMap.THEME_DECORATOR + "\" />";
  }

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  public Path findCurrentWelcome(Path dirPath) {
    File dirFile = getFile(dirPath);


    if (dirFile.isDirectory()) {
      for (int i = 0; i < welcomeFiles.length; i++) {
        Path wPath = dirPath.add(welcomeFiles[i]);


        if (getFile(wPath).exists()) {
          return wPath;
        }
      }

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   * @param pagePath the path of the page who's theme is searched.
   *
   * @return the theme of this page as a Path object
   */
  public Path getThemePath(Path pagePath) {
    Path themePath = siteInfo.getThemePath(pagePath);


    if (pagePath.isContainedIn(adminPath)) {
      if (configuration.isUseAdminTheme() || themePath == null ||
          System.currentTimeMillis() - lastAdminThemeBlock < 300000L || // 5 minutes
          !getFile(themePath.add(SiteMap.THEME_DECORATOR)).exists()) {
        themePath = adminThemePath;
      }
    }


    return themePath;

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      if (!Utils.isNullOrEmpty(theme)) {
        if (theme.equals(PageAssembler.EMPTY)) {
          return null;
        }


        Path themePath = (Path) webSite.getSiteMap().getThemesMap().get(theme);


        if (themePath != null) {
          return themePath;
        }
      }

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      if (pre != null) {
        w.write(pre);
      }
      
      Path baseIconPath = Utils.isTrue(flags) ? webSite.getAdminPath().add("flags") : null;
      
      while (iter.hasNext()) {
        if (putSeparator) {
          w.write(separator);
        }
        
        putSeparator = true;
        SiteMap.CodeLocalePair lang = (SiteMap.CodeLocalePair) iter.next();
        String langCode = lang.getCode();
        String localeName = Utils.encodeHTML(lang.getName());
        Path link = null;
        String onClick = null;
        
        if (notTranslatable) {
          link = webSite.getLink(new Path(langCode), pageDirPath);
        } else {
          if (!langCode.equalsIgnoreCase(pagePath.getElementAt(0))) {
            Path path = siteMap.getServedPath(pagePath.replace(0, langCode));


            if (!webSite.getFile(path).isFile()) {
              if (userInfo != null && userInfo.canWrite(webSite, path)) {
                PageInfo ppi = siteMap.getParentPageInfo(pagePath);


                if (ppi != null && ppi.getLevel() > 0) {
                  Path pPath = ppi.getPath().replace(0, langCode);


                  if (siteMap.getPageInfo(pPath) != null) {
                    ResourceBundle bundle =
                        ResourceBundle.getBundle("org/meshcms/webui/Locales",
                        WebUtils.getPageLocale(pageContext));
                    String msg = Utils.replace(bundle.getString("confirmTranslation"),
                        '\'', "\\'");
                    
                    onClick = "if (confirm('" + msg +"')) {location.href='" +
                        adminRelPath + "/createpage.jsp?popup=false&newdir=false&fullpath=" +
                        path + "';return false}";
                  }
                }
              }


              path = new Path(langCode);
            }


            link = webSite.getLink(path, pageDirPath);
          }
        }
        
        if (link != null) {
          w.write("<a href=\"" + link + "\"");
          
          if (onClick != null) {
            w.write(" onclick=\"" + onClick + "\"");
          }
          
          w.write(">");
        }
        
        if (Utils.isTrue(flags)) {
          if (flagsBundle == null) {
            flagsBundle = ResourceBundle.getBundle("org/meshcms/webui/Flags");
          }
          
          try {
            Path iconPath = baseIconPath.add(flagsBundle.getString(langCode) + ".png");
            w.write("<img src='" + webSite.getLink(iconPath, pageDirPath) +
                "' alt='" + localeName + "' title='" + localeName + "'/>");
          } catch (Exception ex) {
            ex.printStackTrace();
          }

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      }
      
      request.setAttribute(WEBSITE_ATTRIBUTE, webSite);
      request.setCharacterEncoding(Utils.SYSTEM_CHARSET);
      HttpServletRequest httpReq = webSite.wrapRequest(request);
      Path pagePath = webSite.getRequestedPath(httpReq);
      
      /* This is needed to avoid source code disclosure in virtual sites */
      if (webSite instanceof VirtualWebSite) {
        String uri = httpReq.getRequestURI().toLowerCase();
        
        if (uri.endsWith(".jsp/")) {
          httpRes.sendError(HttpServletResponse.SC_NOT_FOUND);
          return;
        }
        
        if (! pagePath.isContainedIn(webSite.getAdminPath()) &&
            uri.endsWith(".jsp") && !WebUtils.verifyJSP(webSite, pagePath)) {
          httpRes.sendError(HttpServletResponse.SC_FORBIDDEN,
              "Execution of this page is not allowed");
          return;
        }
      }
      
      if (webSite.isDirectory(pagePath)) {
        Path wPath = webSite.findCurrentWelcome(pagePath);
        Configuration conf = webSite.getConfiguration();
        
        if (conf == null || conf.isAlwaysDenyDirectoryListings()) {
          if (wPath != null) {
            redirect(httpReq, httpRes, wPath);
          } else {
            httpRes.sendError(HttpServletResponse.SC_FORBIDDEN,
                "Directory listing denied");
          }
          
          return;
        }
      }
      
      SiteMap siteMap = null;
      PageInfo pageInfo = null;
      boolean isAdminPage = false;
      boolean isGuest = true;
      String pageCharset = null;
      
      if (webSite.getCMSPath() != null) {
        if (pagePath.isContainedIn(webSite.getVirtualSitesPath()) ||
            pagePath.isContainedIn(webSite.getPrivatePath())) {
          httpRes.sendError(HttpServletResponse.SC_NOT_FOUND);
          return;
        }
        
        siteMap = webSite.getSiteMap();
        isAdminPage = pagePath.isContainedIn(webSite.getAdminPath());
        HttpSession session = httpReq.getSession();
        
        if (webSite.getConfiguration().isSearchMovedPages() &&
            !(isAdminPage || webSite.getFile(pagePath).exists())) {
          Path redirPath = siteMap.getRedirMatch(pagePath);
          
          if (redirPath != null) {
            blockRemoteCaching(httpRes);
            httpRes.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
            httpRes.setHeader("Location", httpReq.getContextPath() + "/" + redirPath);
            return;
          }
        }
        
        UserInfo userInfo = (session == null) ? null :
          (UserInfo) session.getAttribute("userInfo");
        isGuest = userInfo == null || userInfo.isGuest();


        // See if should redirect to one of the available languages
        if (isGuest && webSite.getConfiguration().isRedirectRoot() &&
            siteMap.getPathInMenu(pagePath).isRoot()) {
          Path redirPath = getPreferredLanguage(httpReq);
          
          if (redirPath != null) {
            WebUtils.setBlockCache(httpReq);
            redirect(httpReq, httpRes, redirPath);
            return;
          }
        }
        
        // Deal with all pages
        if (FileTypes.isPage(pagePath.getLastElement())) {
          // Block direct requests of modules from non authenticated users
          /* if (isGuest && webSite.isInsideModules(pagePath) &&
              pagePath.getLastElement().equalsIgnoreCase(SiteMap.MODULE_INCLUDE_FILE)) {
            httpRes.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
          } */
          
          // disallow access to guests if required by configuration
          if (isGuest && webSite.getConfiguration().isPasswordProtected() &&
              !pagePath.isChildOf(webSite.getAdminPath())) {
            httpRes.sendError(HttpServletResponse.SC_FORBIDDEN,
                "You don't have enough privileges");
            return;
          }
          
          WebUtils.updateLastModifiedTime(httpReq, webSite.getFile(pagePath));
          blockRemoteCaching(httpRes);
          
          // Find a theme for this page
          Path themePath = null;
          String themeParameter = request.getParameter(THEME_FILE_ATTRIBUTE);
          
          if (themeParameter != null) {
            themePath = (Path) siteMap.getThemesMap().get(themeParameter);
          }
          
          if (themePath == null || !webSite.getFile(themePath).exists()) {
            themePath = webSite.getThemePath(pagePath);
          }
          
          if (themePath != null) { // there is a theme for this page
            if (themePath.isContainedIn(webSite.getCustomThemesPath()) &&
                !WebUtils.verifyJSP(webSite, themePath.add("main.jsp"))) {
              if (isAdminPage) {
                webSite.setLastAdminThemeBlock(System.currentTimeMillis());
              }
              
              httpRes.sendError(HttpServletResponse.SC_FORBIDDEN,
                  "Current theme is not allowed");
              return;
            }
            
            request.setAttribute(THEME_PATH_ATTRIBUTE, themePath);
            
            // pages in /admin do not need a decorator to be specified:
            if (!isAdminPage || themeParameter != null) {
              request.setAttribute(THEME_FILE_ATTRIBUTE, "/" +
                  webSite.getServedPath(themePath) + "/" +
                  SiteMap.THEME_DECORATOR);
            }
          }
          
          /* Since a real page has been requested, disable hotlinking prevention
             for this session
          if (session != null && webSite.getConfiguration().isPreventHotlinking() &&
              session.getAttribute(HOTLINKING_ALLOWED) == null && !isAdminPage) {
            session.setAttribute(HOTLINKING_ALLOWED, HOTLINKING_ALLOWED);
          } */
        }
        
        if (webSite.getConfiguration().isPreventHotlinking() &&
            FileTypes.isPreventHotlinking(pagePath.getLastElement()) /*&&
            (session == null || session.getAttribute(HOTLINKING_ALLOWED) == null)*/) {
          String agent = httpReq.getHeader("user-agent");
          
          if (agent == null || agent.toLowerCase().indexOf("java") < 0) {
            try {
              String domain = WebUtils.get2ndLevelDomain(httpReq);
              
              if (domain != null) {
                String referrer = httpReq.getHeader("referer");
                
                try {
                  referrer = new URL(referrer).getHost();
                } catch (Exception ex) {
                  referrer = null;
                }
                
                if (referrer == null || referrer.indexOf(domain) < 0) {
                  httpRes.sendRedirect(httpReq.getContextPath() + "/" +
                      webSite.getAdminPath() + "/hotlinking.jsp?path=" + pagePath);
                  return;
                }
              }
            } catch (MalformedURLException ex) {}
          }
        }
        
        pageInfo = siteMap.getPageInfo(pagePath);
        
        if (pageInfo != null) { // this page is contained in the site map
          if (isGuest) {
            pageInfo.addHit();
          }
          
          if (pageInfo.getCharset() != null) {
            pageCharset = pageInfo.getCharset();
          }
        } else { // not a page in the site map
          // Let's try to apply the right charset to JavaScript lang files
          if (isAdminPage && pagePath.getLastElement().endsWith(".js") &&
              userInfo != null && userInfo.canDo(UserInfo.CAN_BROWSE_FILES)) {
            String script = null;
            
            if (pagePath.isContainedIn(webSite.getAdminScriptsPath().add("tiny_mce"))) {
              script = "TinyMCE";
            } else if (pagePath.isContainedIn(webSite.getAdminScriptsPath().add("jscalendar"))) {
              script = "DHTMLCalendar";
            }
            
            if (script != null) {
              Locale locale = Utils.getLocale(userInfo.getPreferredLocaleCode());
              ResourceBundle bundle =
                  ResourceBundle.getBundle("org/meshcms/webui/Locales", locale);
              String s = bundle.getString(script + "LangCode");
              
              if (!Utils.isNullOrEmpty(s) && pagePath.getLastElement().equals(s + ".js")) {
                s = bundle.getString(script + "LangCharset");
                
                if (!Utils.isNullOrEmpty(s)) {
                  pageCharset = s;
                }
              }
            }
          } // end of JavaScript stuff
        }
      } // end of CMS stuff
      
      String mimeType = sc.getMimeType(pagePath.getLastElement());
      
      if (mimeType == null) {
        mimeType = "text/html";
      }
      
      httpRes.setContentType(mimeType + "; charset=" +
          Utils.noNull(pageCharset, Utils.SYSTEM_CHARSET));
      
      try {
        // Cache management
        if (isGuest && pageInfo != null &&
            httpReq.getMethod().equalsIgnoreCase("get") &&
            Utils.isNullOrEmpty(httpReq.getQueryString()) &&
            webSite.isVisuallyEditable(pagePath)) {
          int cacheType = webSite.getConfiguration().getCacheType();
          
          // Let's see if the browser supports GZIP
          String ae = httpReq.getHeader("Accept-Encoding");
          boolean gzip = ae != null && ae.toLowerCase().indexOf("gzip") > -1;
          InputStream in = null;
          
          if (cacheType == Configuration.IN_MEMORY_CACHE ||
              cacheType == Configuration.MIXED_CACHE) {
            byte[] pageBytes = siteMap.getCached(pageInfo.getPath());
            
            // a cached page too small is suspicious
            if (pageBytes != null && pageBytes.length > 256) {
              in = new ByteArrayInputStream(pageBytes);
            }
          }
          
          if (cacheType == Configuration.ON_DISK_CACHE ||
              (in == null && cacheType == Configuration.MIXED_CACHE)) {
            File cacheFile = WebUtils.getCacheFile(webSite, siteMap, pagePath);
            
            if (cacheFile != null) {
              in = new FileInputStream(cacheFile);
              
              if (cacheType == Configuration.MIXED_CACHE) {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                Utils.copyStream(in, baos, true);
                byte[] b = baos.toByteArray();
                siteMap.cache(pageInfo.getPath(), b);
                in = new ByteArrayInputStream(b);
              }
            }
          }
          
          // if a valid cached version has been found, use it
          if (in != null) {
            ServletOutputStream sos = response.getOutputStream();
            
            if (gzip) {
              httpRes.setHeader("Content-Encoding", "gzip");
            } else {
              // uncompress the page on the fly for that spider or old browser
              in = new GZIPInputStream(in);
            }
            
            Utils.copyStream(in, sos, false);
            sos.flush();
            return;
          }
          
          // otherwise, if cache is enabled, store the generated page
          if (cacheType != Configuration.NO_CACHE) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            OutputStream os = new GZIPOutputStream(baos);
            CacheResponseWrapper wrapper = new CacheResponseWrapper(httpRes, os);
            chain.doFilter(httpReq, wrapper);
            wrapper.finishResponse();
            // os.flush();
            
            /* If WebUtils.setBlockCache has not been called while creating
               the page, it can be cached */
            if (!WebUtils.isCacheBlocked(httpReq)) {
              if (cacheType == Configuration.IN_MEMORY_CACHE ||
                  cacheType == Configuration.MIXED_CACHE) {
                siteMap.cache(pageInfo.getPath(), baos.toByteArray());
              }
              
              if (cacheType == Configuration.ON_DISK_CACHE ||
                  cacheType == Configuration.MIXED_CACHE) {
                File cacheFile = webSite.getRepositoryFile
                    (siteMap.getServedPath(pagePath), CACHE_FILE_NAME);
                cacheFile.getParentFile().mkdirs();
                Utils.writeFully(cacheFile, baos.toByteArray());
              }
            }
            
            return;
          }
        } // end of cache management
        
        chain.doFilter(httpReq, httpRes);
        webSite.updateSiteMap(false); // better here than nowhere :)
      } catch (Exception ex) {
        if (isAdminPage) {
          webSite.setLastAdminThemeBlock(System.currentTimeMillis());
        }
        
        Path wPath = webSite.findCurrentWelcome(pagePath);
        
        if (wPath != null && !wPath.equals(pagePath)) {
          redirect(httpReq, httpRes, wPath);
          return;
        }
        
        sc.log("--------\n\nIMPORTANT: an exception has been caught while serving " +

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