Android Open Source - SmartPass Password File

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Back to project page SmartPass.

License

The source code is released under:

Copyright (c) 2013 Dax Earl, Aaron Golliver Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal ...

Java Source Code

package com.passwordLib;
/*from w  ww  .  j  av  a2s  .com*/
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Set;
import java.util.TreeSet;

import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;

import android.content.Context;

import com.example.smartpass.UserAccount;

public final class PasswordFile {
  public static String username;
  public static String saltedPassword;
  public static String password;
  private static String salt;
  public static String fileName;

  public static String selectedPassword = "";
  public static String selectedUsername = "";

  private static HashMap<String, UserAccount> encryptedPasswordFile;

  private static Set<String> folderList;

  static Context context;

  @SuppressWarnings("unchecked")
  public static void initPasswordFile(String _username, String _password,
      Context _context) {
    username = _username;
    salt = _username + "L6M9A6O926C9A6T936S9W6A9G659U69";
    saltedPassword = _password + salt;
    password = _password;
    context = _context;
    fileName = username + ".pass";

    // download the password file
    // System.out.println("Downloading password file");

    /* read from disk */
    FileInputStream f_in;
    PasswordFile.folderList = new TreeSet<String>();
    ObjectInputStream obj_in;
    try {
      f_in = new FileInputStream(context.getFilesDir() + "/" + fileName);
      obj_in = new ObjectInputStream(f_in);

      Object obj = obj_in.readObject();

      if (obj instanceof HashMap<?, ?>) {
        encryptedPasswordFile = (HashMap<String, UserAccount>) obj;
      } else {
        encryptedPasswordFile = new HashMap<String, UserAccount>();
      }
      System.out.println(encryptedPasswordFile.toString());
      System.out.println("loaded from file");

      f_in.close();
      obj_in.close();

      for (String folder : encryptedPasswordFile.keySet()) {
        String folderName = folder.split(":")[0];
        PasswordFile.folderList.add(folderName);
      }
      if (PasswordFile.folderList.size() == 0) {
        PasswordFile.folderList.add("default");
      }

    } catch (FileNotFoundException e) {
      encryptedPasswordFile = new HashMap<String, UserAccount>();      
      PasswordFile.folderList.add("default");

    } catch (IOException e) {
      encryptedPasswordFile = new HashMap<String, UserAccount>();
      PasswordFile.folderList.add("default");
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    } finally {
    }
  }

  public static void saveFile() {
    try {
      FileOutputStream f_out = new FileOutputStream(context.getFilesDir()
          + "/" + fileName);
      ObjectOutputStream obj_out = new ObjectOutputStream(f_out);
      obj_out.writeObject(encryptedPasswordFile);
      f_out.close();
    } catch (FileNotFoundException e) {
      System.out.println("Mistake");
      e.printStackTrace();
    } catch (IOException e) {
      System.out.println("Mistake");
      e.printStackTrace();
    }
  }

  public static void addPassword(String newPassPlainText, String newUsername,
      String folder, String passwordName) throws InvalidKeyException,
      NoSuchAlgorithmException, NoSuchPaddingException,
      IllegalBlockSizeException, BadPaddingException {
    String fullName = folder + ":" + passwordName;

    String encryptedPassword = "";
    try {
      encryptedPassword = SimpleCrypto.encrypt(newPassPlainText,
          saltedPassword);
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    try {
      SimpleCrypto.decrypt(encryptedPassword, saltedPassword);
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    UserAccount ua = new UserAccount(newUsername, encryptedPassword,
        folder, passwordName);

    encryptedPasswordFile.put(fullName, ua);
    Object args[] = new Object[] { context, username, saltedPassword };
    new SendPasswordTask().execute(args);
  }

  public static Set<String> getFolders() {
    return PasswordFile.folderList;
  }

  public static ArrayList<String> getAccountsInFolder(String folder) {
    ArrayList<String> accounts = new ArrayList<String>();
    for (String account : encryptedPasswordFile.keySet()) {
      String currentFolder = account.split(":")[0];
      if (currentFolder.equals(folder)) {
        accounts.add(account.split(":")[1]);
      }
    }
    return accounts;
  }

  public static void addFolder(String folderName) {
    PasswordFile.folderList.add(folderName);
  }

  public static String getPassword(String folder, String accoutnname) {
    String fullname = folder + ":" + accoutnname;
    String encryptedPass = PasswordFile.encryptedPasswordFile.get(fullname).encryptedPassword;
    return PasswordLib.decode(encryptedPass, saltedPassword);
  }

  public static String getUsername(String folder, String accoutnname) {
    String fullname = folder + ":" + accoutnname;
    String username = encryptedPasswordFile.get(fullname).username;

    // return PasswordLib.decode(encryptedPass, password);
    return username;
  }

  public static UserAccount getUserAccount(String folder, String accountName) {
    String fullname = folder + ":" + accountName;
    return encryptedPasswordFile.get(fullname);
  }

  public static void deletePassword(String folder, String accountName) {
    String fullname = folder + ":" + accountName;
    encryptedPasswordFile.remove(fullname);

  }

}

Java Source Code List

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