ejbcawebbean.java

JAVA做的J2EE下CA认证系统 基于EJB开发

        }
    }

    public Object clone() throws CloneNotSupportedException {
      return super.clone();
    }

    /* Checks if the admin have authorization to view the resource */
    public boolean isAuthorized(String resource) throws AuthorizationDeniedException {
      boolean returnval=false;
      if(certificates != null){         
        returnval= authorizedatahandler.isAuthorized(administrator,resource);
      }
      else{
        throw new  AuthorizationDeniedException("Client certificate required.");
      }
      return returnval;
    }

    /* Checks if the admin have authorization to view the resource without performing any logging. Used by menu page */
    public boolean isAuthorizedNoLog(String resource) throws AuthorizationDeniedException {
      boolean returnval=false;
      if(certificates != null){
        returnval= authorizedatahandler.isAuthorizedNoLog(administrator,resource);
      }
      else{
        throw new  AuthorizationDeniedException("Client certificate required.");
      }
      return returnval;
    }


    /* A more optimezed authorization verison to check if the admin have authorization to view the url without performing any logging.
     * AUTHORIZED_RA.. contants should be used.*/
    public boolean isAuthorizedNoLog(int resource) throws AuthorizationDeniedException {
      boolean returnval=false;
      if(certificates != null){
        if(raauthorized[resource] == null)
          raauthorized[resource] = Boolean.valueOf(authorizedatahandler.isAuthorizedNoLog(new Admin(certificates[0]),AUTHORIZED_RA_RESOURCES[resource]));

        returnval = raauthorized[resource].booleanValue();
      }
      else{
        throw new  AuthorizationDeniedException("Client certificate required.");
      }
      return returnval;
    }

    public String getBaseUrl(){return globalconfiguration.getBaseUrl();}

    /* Returns the current admins preference */
    public AdminPreference getAdminPreference() throws Exception{
      AdminPreference returnval = adminspreferences.getAdminPreference(certificatefingerprint);
      if(returnval==null)
        returnval = currentadminpreference;
      return returnval;
    }

    /* Returns the admin preferences database */
    public AdminPreferenceDataHandler getAdminPreferences() {
      return adminspreferences;
    }

    public AuthorizationDataHandler getAuthorizationDataHandler(){
       return  authorizedatahandler;
    }

    /* Returns the global configuration */
    public GlobalConfiguration getGlobalConfiguration() {
      return this.informationmemory.getGlobalConfiguration();
    }

     /**  A functions that returns wanted helpfile in prefered language.
     *   The parameter helpfilename should the wanted filename without language infix.
     *   For example: given helpfilename 'cahelp.html' would return 'cahelp.en.html'
     *   if english was the users prefered language. */
    public String getHelpfileInfix(String helpfilename) {
      String returnedurl=null;
      String [] strs = adminsweblanguage.getAvailableLanguages();
      int index = currentadminpreference.getPreferedLanguage();
      String prefered = strs[index];
      prefered = prefered.toLowerCase();
      String secondary = adminsweblanguage.getAvailableLanguages()[currentadminpreference.getSecondaryLanguage()]
                                           .toLowerCase();

      String helpfile = helpfilename.substring(0,helpfilename.lastIndexOf('.'));
      String postfix  = helpfilename.substring(helpfilename.lastIndexOf('.')+1);

      String preferedfilename = "/" + globalconfiguration.getHelpPath()+"/"
                                + helpfile + "." + prefered + "." + postfix;

      String preferedurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getHelpPath()+"/"
                          + helpfile + "." + prefered + "." + postfix;

      String secondaryurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getHelpPath()+"/"
                          + helpfile + "." + secondary + "." + postfix;

      if(this.getClass().getResourceAsStream(preferedfilename) != null)
        returnedurl = preferedurl;
      else
        returnedurl = secondaryurl;

      return returnedurl;
    }

    /**  A functions that returns wanted imagefile in prefered language and theme. If none of the language
     *   specific images are found the original imagefilename will be returned.
     *
     *   The priority of filenames are int the following order
     *   1. imagename.theme.preferedlanguage.jpg/gif
     *   2. imagename.theme.secondarylanguage.jpg/gif
     *   3. imagename.theme.jpg/gif
     *   4. imagename.preferedlanguage.jpg/gif
     *   5. imagename.secondarylanguage.jpg/gif
     *   6. imagename.jpg/gif
     *
     *   The parameter imagefilename should the wanted filename without language infix.
     *   For example: given imagefilename 'caimg.gif' would return 'caimg.en.gif'
     *   if english was the users prefered language. It's important that all letters i imagefilename is lowercase.*/

    public String getImagefileInfix(String imagefilename) {
      String returnedurl=null;
      String [] strs = adminsweblanguage.getAvailableLanguages();
      int index = currentadminpreference.getPreferedLanguage();
      String prefered = strs[index];
      prefered = prefered.toLowerCase();
      String secondary = adminsweblanguage.getAvailableLanguages()[currentadminpreference.getSecondaryLanguage()]
                                           .toLowerCase();

      String imagefile = imagefilename.substring(0,imagefilename.lastIndexOf('.'));
      String theme     = currentadminpreference.getTheme().toLowerCase();
      String postfix   = imagefilename.substring(imagefilename.lastIndexOf('.')+1);

      String preferedthemefilename = "/" + globalconfiguration .getImagesPath()+"/"
                                + imagefile + "." + theme + "." + prefered + "." + postfix;
      String secondarythemefilename = "/" + globalconfiguration .getImagesPath()+"/"
                                + imagefile + "." + theme + "." + secondary + "." + postfix;
      String themefilename =  "/" + globalconfiguration .getImagesPath()+"/"
                                + imagefile + "." + theme + "."  + postfix;

      String preferedfilename = "/" + globalconfiguration .getImagesPath()+"/"
                                + imagefile + "." + prefered + "." + postfix;

      String secondaryfilename = "/" + globalconfiguration .getImagesPath()+"/"
                                 + imagefile + "." + secondary + "." + postfix;

       String preferedthemeurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "." + theme + "." + prefered + "." + postfix;

      String secondarythemeurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "." + theme + "." + secondary + "." + postfix;

      String imagethemeurl     = globalconfiguration .getBaseUrl()  + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "." + theme + "." + postfix;


      String preferedurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "." + prefered + "." + postfix;

      String secondaryurl = globalconfiguration .getBaseUrl() + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "." + secondary + "." + postfix;

      String imageurl     = globalconfiguration .getBaseUrl()  + globalconfiguration .getAdminWebPath()
                          + globalconfiguration .getImagesPath()+"/"
                          + imagefile + "."  + postfix;
      if(this.getClass().getResourceAsStream(preferedthemefilename) != null)
        returnedurl = preferedthemeurl;
      else{
        if(this.getClass().getResourceAsStream(secondarythemefilename) != null)
          returnedurl = secondarythemeurl;
        else{
          if(this.getClass().getResourceAsStream(themefilename) != null)
            returnedurl = imagethemeurl;
          else{
            if(this.getClass().getResourceAsStream(preferedfilename) != null)
              returnedurl = preferedurl;
            else{
              if(this.getClass().getResourceAsStream(secondaryfilename) != null)
                 returnedurl = secondaryurl;
              else
                returnedurl = imageurl;
            }
          }
        }
      }
      return returnedurl;
    }


    public String[] getAvailableLanguages() {
        return adminsweblanguage.getAvailableLanguages();
    }
    public String getText(String template){
      return adminsweblanguage.getText(template);
    }

    public String printDate(Date date){
     return DateFormat.getDateInstance(DateFormat.SHORT).format(date);
    }

    public String printDateTime(Date date){
      return DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(date);
    }

    public void reloadGlobalConfiguration() throws  Exception {
      globalconfiguration = globaldataconfigurationdatahandler.loadGlobalConfiguration();
      informationmemory.systemConfigurationEdited(globalconfiguration);
    }

    public void saveGlobalConfiguration() throws Exception{
      globaldataconfigurationdatahandler.saveGlobalConfiguration(globalconfiguration);
      informationmemory.systemConfigurationEdited(globalconfiguration);
    }

    public boolean existsAdminPreference() throws Exception{
      return adminspreferences.existsAdminPreference(certificatefingerprint);
    }

    public void addAdminPreference(AdminPreference ap) throws Exception{
      currentadminpreference = ap;
      adminspreferences.addAdminPreference(certificatefingerprint,ap);
      adminsweblanguage = new WebLanguages(globalconfiguration, currentadminpreference.getPreferedLanguage()
                                          ,currentadminpreference.getSecondaryLanguage());
    }
  
    public Collection getAuthorizedCAIds(){
      return this.informationmemory.getAuthorizedCAIds();
    }
    
    public void changeAdminPreference(AdminPreference ap) throws Exception{
      currentadminpreference = ap;
      adminspreferences.changeAdminPreference(certificatefingerprint,ap);
      adminsweblanguage = new WebLanguages(globalconfiguration, currentadminpreference.getPreferedLanguage()
                                          ,currentadminpreference.getSecondaryLanguage());
    }

    public AdminPreference getDefaultAdminPreference() throws Exception{
      return adminspreferences.getDefaultAdminPreference();
    } // getDefaultAdminPreference()

    public void saveDefaultAdminPreference(AdminPreference dap) throws Exception{
      adminspreferences.saveDefaultAdminPreference(dap);

      // Reload preferences
      currentadminpreference = adminspreferences.getAdminPreference(certificatefingerprint);
      if(currentadminpreference == null){
         currentadminpreference = adminspreferences.getDefaultAdminPreference();
      }
      adminsweblanguage = new WebLanguages(globalconfiguration, currentadminpreference.getPreferedLanguage()
                                          ,currentadminpreference.getSecondaryLanguage());
    } // saveDefaultAdminPreference
    
    public InformationMemory getInformationMemory(){
      return this.informationmemory;   
    }
    
    public Admin getAdminObject(){
    	return this.administrator;    
    }

    /** Returns the default content encoding used in JSPs. Reads the env-entry contentEncoding from web.xml.
     * 
     * @return The content encoding set in the webs env-entry java:comp/env/contentEncoding, or ISO-8859-1 (default), never returns null.
     */
    public String getDefaultContentEncoding() {
        String ret = null;
        try {
            ret = ServiceLocator.getInstance().getString("java:comp/env/contentEncoding");            
        } catch (ServiceLocatorException e) {
            log.debug("Can not find any default content encoding, using hard default ISO-8859-1.");
            ret = "ISO-8859-1";            
        }
        if (ret == null) {
            log.debug("Can not find any default content encoding, using hard default ISO-8859-1.");
            ret = "ISO-8859-1";
        } 
        return ret;
    }
}