hushapplet.java

一个木马程序源码

      add(commands,commandsConstraints,selectAllButton,1,0);
      showSelectFunctionButtons(foldersSelected()>0,2);
      lockButtons(false);
    }

    /* On click of the "Save" button
     */
    else if (e.target==saveButton || e.target==saveButtonR)
    {
      lockButtons(true);
      clearCommands();
      folderChoice = new Choice();
      folderChoice.setBackground(Color.white);
      folderChoice.setFont(new Font("Helvetica",Font.PLAIN,12));
      for (int x=0;x<c.numberOfFolders();x++)
        if (!c.folderName(x).equals(c.folderName()))
          folderChoice.addItem(c.folderName(x));
      add(commands,commandsConstraints,saveMessageLabel,0,0);
      add(commands,commandsConstraints,folderChoice,1,0);
      add(commands,commandsConstraints,smallSaveButton,2,0);
      add(commands,commandsConstraints,cancelSaveButton,3,0);
    }

    /* On selection of folder to save message to
     */
    else if (e.target==smallSaveButton)
    {
      clearCommands();
      add(commands,commandsConstraints,
        new Label("Moving message(s)                                 "
                 +"                                                  "),0,0);
      commands.paintAll(commands.getGraphics());    
      if (currentScreen.equals("read"))
      {
        try 
        { 
          c.use();
          c.moveMessage(c.messageID(),folderChoice.getSelectedItem());
          listMessages(c.folderName(),0,true);
          listFolders(currentFolderPage,true);
          c.done(); 
        } catch (IOException e5) {error();}
        c.wipeMessage();
        clearCommands();
        if (c.numberOfMessages()>0)
        {
          add(commands,commandsConstraints,selectAllButton,0,0);
          showSelectFunctionButtons(messagesSelected()>0,1);   
        }
        currentScreen = "listMessages";
        lockButtons(false);
        mainLayout.show(main,currentScreen);
      }
      else
      {
        int saveCount=0;  // Special variable to compensate for changes during multiple saves
        try { c.use();
        for (int x=0; x<c.numberOfMessages(); x++)
          if (messageSelected[x])
	  {
            c.moveMessage(c.messageID(x)-saveCount,folderChoice.getSelectedItem());
            saveCount++;
          }
        listMessages(c.folderName(),0,true);
        listFolders(currentFolderPage,true);
        c.done(); } catch (IOException e5) {error();}

        clearCommands();
        if (c.numberOfMessages()>0)
        {
          add(commands,commandsConstraints,selectAllButton,0,0);
          showSelectFunctionButtons(messagesSelected()>0,1);   
        }
      }       
      lockButtons(false);
    }

    /* On click of cancel button for save
     */
    else if (e.target==cancelSaveButton)
    {
      clearCommands(); 
      if (currentScreen.equals("read"))
      {
        add(commands,commandsConstraints,backButton,0,0);
        add(commands,commandsConstraints,replyButton,1,0);
        add(commands,commandsConstraints,forwardButton,2,0);
        add(commands,commandsConstraints,deleteButtonR,3,0);
        add(commands,commandsConstraints,saveButtonR,4,0);
      }
      else
      {
        add(commands,commandsConstraints,selectAllButton,0,0);
        showSelectFunctionButtons(messagesSelected()>0,1);
      }   
      lockButtons(false);
    }
 
    /* On click of "Rename Selected" button
     */
    else if (e.target==renameButton)
    {
      if (folderSelected[0]) statusBar(spaces+"Cannot rename inbox"+spaces);
      else
      {
        lockButtons(true);
        clearCommands();
        formatTextComponent(renameFolderField = new TextField(12),true);
        add(commands,commandsConstraints,newNameLabel,0,0);
        add(commands,commandsConstraints,renameFolderField,1,0); 
        add(commands,commandsConstraints,smallRenameButton,2,0); 
        add(commands,commandsConstraints,cancelRenameButton,3,0);
        commands.paintAll(commands.getGraphics()); 
        renameFolderField.requestFocus(); 
      }
      return true;
    }

    /* On enter of new name for folder
     */
    else if (e.target==renameFolderField || e.target==smallRenameButton)
    {
      String newFolderName=renameFolderField.getText().trim();
      if (validFolderName(newFolderName))
      {
        for (int a=0;a<c.numberOfFolders();a++)
        {
          if (c.folderName(a).equals(newFolderName) && !folderSelected[a]) 
	  {
            statusBar(spaces+"That foldername already exists!"+spaces);
            ignoreLostFocus = true;
            renameFolderField.requestFocus();
            return true;
          }
        }
        
        clearCommands();
        add(commands,commandsConstraints,
          new Label("Renaming folder                                           "
                   +"                                                          "),0,0);
        commands.paintAll(commands.getGraphics());
        int x;
        for (x=0;x<c.numberOfFolders();x++) if (folderSelected[x]) break;
        try 
        { 
          c.use();
          c.renameFolder(c.folderName(x),newFolderName);
          listFolders(currentFolderPage,true);
          c.done(); 
        } catch (IOException e6) {error();}
        showSelectFunctionButtons(false,0);  
        clearCommands();
        add(commands,commandsConstraints,newFolderButton,0,0);
        add(commands,commandsConstraints,selectAllButton,1,0);
        showSelectFunctionButtons(foldersSelected()>2,0);  
        lockButtons(false);
      }
      else 
      {
        ignoreLostFocus=true;
        renameFolderField.requestFocus();
      }
    }
    
    /* On click of "Cancel" button for renaming a folder
     */
    else if (e.target==cancelRenameButton)
    {
      commands.remove(newNameLabel);
      commands.remove(renameFolderField);
      commands.remove(smallRenameButton);
      commands.remove(cancelRenameButton);
      add(commands,commandsConstraints,newFolderButton,0,0);
      add(commands,commandsConstraints,selectAllButton,1,0);
      showSelectFunctionButtons(foldersSelected()>2,0);  
      lockButtons(false);
    }

    /* On click of the "New Address" button
     */
    else if (e.target==newAddressButton)
    {
      lockButtons(true);
      addressesPanel.removeAll();
      add(addressesPanel,aConstraints,new Label("Enter new address information here..."),
         0,0,2,1,0,0,1,0,NO,NW,0,6,0,6);
      add(addressesPanel,aConstraints,colorLabel(new Label("Nickname:")),0,1,1,1,0,0,0,0,NO,NW,0,6,0,6);
      add(addressesPanel,aConstraints,colorLabel(new Label("Full Name:")),0,2);
      add(addressesPanel,aConstraints,colorLabel(new Label("Email Address:")),0,3);
      add(addressesPanel,aConstraints,newNicknameField=new TextField(10),1,1,1,1,0,0,1,0,B,NW,0,6,0,6);
      add(addressesPanel,aConstraints,newFullnameField=new TextField(10),1,2);
      add(addressesPanel,aConstraints,newAddressField=new TextField(10),1,3);
      add(addressesPanel,aConstraints,saveAddressButton=new Button("Done"),0,4,1,1,0,0,0,1,NO,NW,0,6,0,6);
      add(addressesPanel,aConstraints,cancelNewAddressButton=new Button("Cancel"),
        1,4,1,1,0,0,1,1,NO,NW,0,6,0,6);
      newNicknameField.setForeground(Color.black);
      newFullnameField.setForeground(Color.black);
      newAddressField.setForeground(Color.black);
      saveAddressButton.setForeground(Color.black);
      cancelNewAddressButton.setForeground(Color.black);
      addressesPanel.paintAll(addressesPanel.getGraphics());      
    }

    /*  On click of "save" button for a new address
     */
    else if (e.target==saveAddressButton)
    {
      String newNickname = newNicknameField.getText().trim();
      if (newNickname.length()==0)
      {
        statusBar(spaces+"You must enter a nickname"+spaces);
        ignoreLostFocus = true;
        newNicknameField.requestFocus();
        return true;
      }
      else if (newNickname.length()>9)
      {
        statusBar(spaces+"Nicknames must be nine characters or less"+spaces);
        ignoreLostFocus = true;
        newNicknameField.requestFocus();
        return true;
      }
      else if (newFullnameField.getText().indexOf('\\')!=-1)
      {
        statusBar(spaces+"Cannot use \\ in name"+spaces);
        ignoreLostFocus = true;
        newFullnameField.requestFocus();
        return true;
      }
      else if (newAddressField.getText().trim().length()==0)
      {
        statusBar(spaces+"You must enter an email address"+spaces);
        ignoreLostFocus = true;
        newAddressField.requestFocus();
        return true;
      }
      else if (validEmailAddress(newAddressField.getText().trim()))
      {
        for (int a=0;a<c.numberOfAddresses();a++)
	{
          if (c.nickname(a).equals(newNickname)) 
	  {
            statusBar(spaces+"That nickname already exists!"+spaces);
            ignoreLostFocus = true;
            newNicknameField.requestFocus();
            return true;
          }
        }

        clearCommands();
        add(commands,commandsConstraints,
          new Label("Adding address                                           "
                   +"                                                         "),0,0);
        commands.paintAll(commands.getGraphics());

        try 
        { 
          c.use();
          boolean successful = c.addAddress(newNicknameField.getText().trim(),
            newFullnameField.getText().trim(),newAddressField.getText().trim());
          if (successful)
	  {
            listAddresses(currentAddressPage,true);             
            lockButtons(false);
          }
          else newAddressField.requestFocus();
          c.done(); 
        } catch (IOException e7) 
        {
          error();
          lockButtons(false);
        }
        clearCommands();
        add(commands,commandsConstraints,newAddressButton,0,0);
        add(commands,commandsConstraints,showFingerprintButton,1,0);
        commands.paintAll(commands.getGraphics());
      }
      else
      {
        newAddressField.requestFocus();
        statusBar(spaces+"Bad email address"+spaces);
      }
    }

    /*  On click of "Cancel" button for a new address
     */
    else if (e.target==cancelNewAddressButton)
    {
      listAddressesNoReload(currentAddressPage);
      lockButtons(false);
    }

    /* Buttons for changing pages
     */
    else if (e.target==nextMessagePageButton) 
    {
      listMessagesNoReload(c.folderName(),currentMessagePage+1);
      commands.remove(deleteButton);
      commands.remove(saveButton);
      showSelectFunctionButtons(messagesSelected()>0,1);      
    }
    else if (e.target==previousMessagePageButton) 
    {
      listMessagesNoReload(c.folderName(),currentMessagePage-1);
      commands.remove(deleteButton);
      commands.remove(saveButton);
      showSelectFunctionButtons(messagesSelected()>0,1);      
    }
    else if (e.target==nextFolderPageButton) 
    {
      listFoldersNoReload(currentFolderPage+1);
      commands.remove(deleteButton);
      commands.remove(renameButton);
      showSelectFunctionButtons(foldersSelected()>0,2);
    }  
    else if (e.target==previousFolderPageButton) 
    {
      listFoldersNoReload(currentFolderPage-1);
      commands.remove(deleteButton);
      commands.remove(renameButton);
      showSelectFunctionButtons(foldersSelected()>0,2);
    }  
    else if (e.target==nextAddressPageButton) listAddressesNoReload(currentAddressPage+1);
    else if (e.target==previousAddressPageButton) listAddressesNoReload(currentAddressPage-1);

    /*  If the encrypt checkbox has been clicked
     */
    else if (e.target==encryptCheckbox)
    {
      /* Check to make sure we're only encrypting to hushmail addresses.
       */
      if (encryptCheckbox.getState())
      {
        for (int n=0;n<3;n++)
        {
          String t = headerField[n].getText().trim();
          int l = t.length();
          if (l>0)
	  {
            if (!toHushmail(t))
	    {
              encryptCheckbox.setState(false);
              statusBar(spaces+"Can only encrypt to addresses @"+c.domain()+spaces);
              break;
            }
	  }
        }
      }
      else statusBar(spaces+"Warning: this message will not be sent securely"+spaces);
    }

    else if (e.target==actualMessageCheckbox)
    { 
       try 
       {
         readMessage(c.messageID(),false);
       } catch (IOException cantHappen) {}
    }
 
    /* Check the address choices on the "Compose" screen
     */
   
    else if (currentScreen.equals("compose"))
    {
      /* Iterate through fields on compose screen checking for address book grabbing
       */
      for (int n=0;n<3;n++)
      {
        if (e.target==addressChoice[n])
        {
          if (addressChoice[n].getSelectedIndex()!=0)
  	  {
            String address;
            if (c.fullname(addressChoice[n].getSelectedIndex()-1).length()>0)