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/*
* Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.provider;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.provider.KeychainContract.ApiAppsColumns;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingsColumns;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeysColumns;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIdsColumns;
import org.sufficientlysecure.keychain.util.Log;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.provider.BaseColumns;
public class KeychainDatabase extends SQLiteOpenHelper {
private static final String DATABASE_NAME = "apg.db";
private static final int DATABASE_VERSION = 6;
public interface Tables {
String KEY_RINGS = "key_rings";
String KEYS = "keys";
String USER_IDS = "user_ids";
String API_APPS = "api_apps";
}
private static final String CREATE_KEY_RINGS = "CREATE TABLE IF NOT EXISTS " + Tables.KEY_RINGS
+ " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ KeyRingsColumns.MASTER_KEY_ID + " INT64, " + KeyRingsColumns.TYPE + " INTEGER, "
+ KeyRingsColumns.KEY_RING_DATA + " BLOB)";
private static final String CREATE_KEYS = "CREATE TABLE IF NOT EXISTS " + Tables.KEYS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + KeysColumns.KEY_ID
+ " INT64, " + KeysColumns.TYPE + " INTEGER, " + KeysColumns.IS_MASTER_KEY
+ " INTEGER, " + KeysColumns.ALGORITHM + " INTEGER, " + KeysColumns.KEY_SIZE
+ " INTEGER, " + KeysColumns.CAN_CERTIFY + " INTEGER, " + KeysColumns.CAN_SIGN
+ " INTEGER, " + KeysColumns.CAN_ENCRYPT + " INTEGER, " + KeysColumns.IS_REVOKED
+ " INTEGER, " + KeysColumns.CREATION + " INTEGER, " + KeysColumns.EXPIRY
+ " INTEGER, " + KeysColumns.KEY_DATA + " BLOB," + KeysColumns.RANK + " INTEGER, "
+ KeysColumns.KEY_RING_ROW_ID + " INTEGER NOT NULL, FOREIGN KEY("
+ KeysColumns.KEY_RING_ROW_ID + ") REFERENCES " + Tables.KEY_RINGS + "("
+ BaseColumns._ID + ") ON DELETE CASCADE)";
private static final String CREATE_USER_IDS = "CREATE TABLE IF NOT EXISTS " + Tables.USER_IDS
+ " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ UserIdsColumns.USER_ID + " TEXT, " + UserIdsColumns.RANK + " INTEGER, "
+ UserIdsColumns.KEY_RING_ROW_ID + " INTEGER NOT NULL, FOREIGN KEY("
+ UserIdsColumns.KEY_RING_ROW_ID + ") REFERENCES " + Tables.KEY_RINGS + "("
+ BaseColumns._ID + ") ON DELETE CASCADE)";
private static final String CREATE_API_APPS = "CREATE TABLE IF NOT EXISTS " + Tables.API_APPS
+ " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ ApiAppsColumns.PACKAGE_NAME + " TEXT UNIQUE, " + ApiAppsColumns.PACKAGE_SIGNATURE
+ " BLOB, " + ApiAppsColumns.KEY_ID + " INT64, " + ApiAppsColumns.ENCRYPTION_ALGORITHM
+ " INTEGER, " + ApiAppsColumns.HASH_ALORITHM + " INTEGER, "
+ ApiAppsColumns.COMPRESSION + " INTEGER)";
KeychainDatabase(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
Log.w(Constants.TAG, "Creating database...");
db.execSQL(CREATE_KEY_RINGS);
db.execSQL(CREATE_KEYS);
db.execSQL(CREATE_USER_IDS);
db.execSQL(CREATE_API_APPS);
}
@Override
public void onOpen(SQLiteDatabase db) {
super.onOpen(db);
if (!db.isReadOnly()) {
// Enable foreign key constraints
db.execSQL("PRAGMA foreign_keys=ON;");
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.w(Constants.TAG, "Upgrading database from version " + oldVersion + " to " + newVersion);
// Upgrade from oldVersion through all methods to newest one
for (int version = oldVersion; version < newVersion; ++version) {
Log.w(Constants.TAG, "Upgrading database to version " + version);
switch (version) {
case 3:
db.execSQL("ALTER TABLE " + Tables.KEYS + " ADD COLUMN " + KeysColumns.CAN_CERTIFY
+ " INTEGER DEFAULT 0;");
db.execSQL("UPDATE " + Tables.KEYS + " SET " + KeysColumns.CAN_CERTIFY
+ " = 1 WHERE " + KeysColumns.IS_MASTER_KEY + "= 1;");
break;
case 4:
db.execSQL(CREATE_API_APPS);
case 5:
// new column: package_signature
db.execSQL("DROP TABLE IF EXISTS " + Tables.API_APPS);
db.execSQL(CREATE_API_APPS);
default:
break;
}
}
}
}
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