Android Open Source - ildn-hub User Credential

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License

The source code is released under:

GNU General Public License

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Java Source Code

package net.ildn;
/*  ww w .  java  2 s  . c om*/
import net.ildn.fedorait.R;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;

public class UserCredential {
  
  private String prefsValue;
  private Context cx;
  private static final String SEED="!tHiSiSmyS4r3ds3cr3tz";
  private static final String LOG_ID = "ildn - UserCredential";
    
  /*
   * Class for read/wirte User Credential (username/password) from 
   * sharedpreference. These Credential are read/write with 
   * SimpleCrypto interface 
   */

  public UserCredential(Context cx) {
    this.cx=cx;
  }

  /*
   * use prefs from sharedPreference for access to user account name/password
   */
  public String getPrefs(String prefs) {
    SharedPreferences settings = cx.getSharedPreferences(cx.getString(R.string.ildnPreference), 0);
    String sp = settings.getString(prefs, "");
    try {
      if (sp!=null && !sp.equalsIgnoreCase("")) {
        String decifrato = SimpleCrypto.decrypt(SEED, sp);
        Log.i(LOG_ID, prefs +" decrypt is " + decifrato);
        this.prefsValue = decifrato;
      }
      else 
        this.prefsValue = "";
    }
    catch (Exception e) {
      Log.i(LOG_ID, e.getMessage());
      return "";
    }
    return this.prefsValue;
  }
  
  /*
   * prefs  is name of preference to store in sharedPreferences
   * secret is the value that prefs has 
   * use prefs for store secret in sharedPreferences for the user account username/password 
   * in crypt form
   */
  public boolean setPrefs(String prefs,String secret) {
    SharedPreferences settings = cx.getSharedPreferences(cx.getString(R.string.ildnPreference), 0);
    SharedPreferences.Editor editor = settings.edit();
    
    try {
      if (secret != null) {
        String cifrato = SimpleCrypto.encrypt(SEED, secret);
        Log.i(LOG_ID, secret + " crypt is " + cifrato);
        editor.putString(prefs,cifrato);
        editor.commit();
      }
    }
    catch (Exception e) {
      Log.i(LOG_ID, e.getMessage());
      return false;
    }
    
    return true;
  }
}

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