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/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.thialfihar.android.apg.provider;
import org.thialfihar.android.apg.Constants;
import org.thialfihar.android.apg.provider.ApgContract.KeyRingsColumns;
import org.thialfihar.android.apg.provider.ApgContract.KeysColumns;
import org.thialfihar.android.apg.provider.ApgContract.UserIdsColumns;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.provider.BaseColumns;
import org.thialfihar.android.apg.util.Log;
public class ApgDatabase extends SQLiteOpenHelper {
private static final String DATABASE_NAME = "apg.db";
private static final int DATABASE_VERSION = 3;
public interface Tables {
String KEY_RINGS = "key_rings";
String KEYS = "keys";
String USER_IDS = "user_ids";
}
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_SIGN + " INTEGER, " + KeysColumns.CAN_ENCRYPT
+ " INTEGER, " + KeysColumns.IS_REVOKED + " INTEGER, " + KeysColumns.CREATION
+ " INTEGER, " + KeysColumns.EXPIRY + " INTEGER, " + KeysColumns.KEY_RING_ROW_ID
+ " INTEGER REFERENCES " + Tables.KEY_RINGS + " ON DELETE CASCADE, "
+ KeysColumns.KEY_DATA + " BLOB," + KeysColumns.RANK + " INTEGER)";
private static final String CREATE_USER_IDS = "CREATE TABLE IF NOT EXISTS " + Tables.USER_IDS
+ " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ UserIdsColumns.KEY_RING_ROW_ID + " INTEGER REFERENCES " + Tables.KEY_RINGS
+ " ON DELETE CASCADE, " + UserIdsColumns.USER_ID + " TEXT, " + UserIdsColumns.RANK
+ " INTEGER)";
ApgDatabase(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);
}
@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) {
default:
break;
}
}
}
}
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