Android Open Source - movecerts Moved Certificates Storage

• Back to Security/system  ↑

From Project

Back to project page movecerts.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.nutomic.zertman;
//from  w  w  w  . ja v a  2 s. co  m
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.provider.BaseColumns;

import java.io.Closeable;
import java.io.IOException;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.List;

/**
 * Keeps information about certificates that have been moved to system memory.
 */
public class MovedCertificatesStorage implements Closeable {

  private static final String TAG = "MovedCertificatesStorage";


  private MovedCertificatesHelper mDbHelper;

  public MovedCertificatesStorage(Context context) {
    mDbHelper = new MovedCertificatesHelper(context);
  }

  @Override
  public void close() throws IOException {
    mDbHelper.close();
  }

  public boolean insert(Certificate cert) {
    if (BuildConfig.DEBUG && !cert.isSystemCertificate()) {
      throw new InvalidParameterException("Only system certificates can be inserted");
    }

    ContentValues cv = new ContentValues();
    cv.put(Table.COLUMN_NAME_FILE_NAME, cert.getFile().getName());
    SQLiteDatabase db = mDbHelper.getWritableDatabase();
    long row = db.insert(Table.TABLE_NAME, null, cv);
    return row != -1;
  }

  public List<Certificate> list() {
    SQLiteDatabase db = mDbHelper.getReadableDatabase();
    Cursor c = db.query(
        Table.TABLE_NAME, new String[]{Table.COLUMN_NAME_FILE_NAME},
        null, null, null, null, null);
    ArrayList<Certificate> list = new ArrayList<Certificate>(c.getCount());
    c.moveToFirst();
    for (int i = 0; i < c.getCount(); i++) {
      list.add(new Certificate(
          c.getString(c.getColumnIndex(Table.COLUMN_NAME_FILE_NAME)), true));
      c.moveToNext();
    }
    c.close();
    return list;
  }

  public boolean delete(Certificate cert) {
    SQLiteDatabase db = mDbHelper.getWritableDatabase();
    int count = db.delete(Table.TABLE_NAME, Table.COLUMN_NAME_FILE_NAME + " = ?",
        new String[]{cert.getFile().getName()});
    return count == 1;
  }

  public abstract class Table implements BaseColumns {
    public static final String TABLE_NAME = "certificate";
    public static final String COLUMN_NAME_FILE_NAME = "file_name";
  }

  private class MovedCertificatesHelper extends SQLiteOpenHelper {

    private static final int DATABASE_VERSION = 1;

    private static final String DATABASE_NAME = "moved_certificates.db";

    public MovedCertificatesHelper(Context context) {
      super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
      db.execSQL("CREATE TABLE " + Table.TABLE_NAME + " (" +
          Table._ID + " INTEGER PRIMARY KEY," +
          Table.COLUMN_NAME_FILE_NAME + " TEXT UNIQUE)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
    }
  }

}

Java Source Code List

• Back to Security/system  ↑