[thirdparty/strongswan.git] / src / frontends / android / app / src / main / java / org / strongswan / android / data / VpnProfileDataSource.java

/*
 * Copyright (C) 2012-2017 Tobias Brunner
 * Copyright (C) 2012 Giuliano Grassi
 * Copyright (C) 2012 Ralf Sager
 * HSR Hochschule fuer Technik Rapperswil
 *
 * 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 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * 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.
 */

package org.strongswan.android.data;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteQueryBuilder;
import android.util.Log;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class VpnProfileDataSource
{
	private static final String TAG = VpnProfileDataSource.class.getSimpleName();
	public static final String KEY_ID = "_id";
	public static final String KEY_UUID = "_uuid";
	public static final String KEY_NAME = "name";
	public static final String KEY_GATEWAY = "gateway";
	public static final String KEY_VPN_TYPE = "vpn_type";
	public static final String KEY_USERNAME = "username";
	public static final String KEY_PASSWORD = "password";
	public static final String KEY_CERTIFICATE = "certificate";
	public static final String KEY_USER_CERTIFICATE = "user_certificate";
	public static final String KEY_MTU = "mtu";
	public static final String KEY_PORT = "port";
	public static final String KEY_SPLIT_TUNNELING = "split_tunneling";
	public static final String KEY_LOCAL_ID = "local_id";
	public static final String KEY_REMOTE_ID = "remote_id";
	public static final String KEY_EXCLUDED_SUBNETS = "excluded_subnets";
	public static final String KEY_INCLUDED_SUBNETS = "included_subnets";

	private DatabaseHelper mDbHelper;
	private SQLiteDatabase mDatabase;
	private final Context mContext;

	private static final String DATABASE_NAME = "strongswan.db";
	private static final String TABLE_VPNPROFILE = "vpnprofile";

	private static final int DATABASE_VERSION = 11;

	public static final String DATABASE_CREATE =
							"CREATE TABLE " + TABLE_VPNPROFILE + " (" +
								KEY_ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
								KEY_UUID + " TEXT UNIQUE," +
								KEY_NAME + " TEXT NOT NULL," +
								KEY_GATEWAY + " TEXT NOT NULL," +
								KEY_VPN_TYPE + " TEXT NOT NULL," +
								KEY_USERNAME + " TEXT," +
								KEY_PASSWORD + " TEXT," +
								KEY_CERTIFICATE + " TEXT," +
								KEY_USER_CERTIFICATE + " TEXT," +
								KEY_MTU + " INTEGER," +
								KEY_PORT + " INTEGER," +
								KEY_SPLIT_TUNNELING + " INTEGER," +
								KEY_LOCAL_ID + " TEXT," +
								KEY_REMOTE_ID + " TEXT," +
								KEY_EXCLUDED_SUBNETS + " TEXT," +
								KEY_INCLUDED_SUBNETS + " TEXT" +
							");";
	private static final String[] ALL_COLUMNS = new String[] {
								KEY_ID,
								KEY_UUID,
								KEY_NAME,
								KEY_GATEWAY,
								KEY_VPN_TYPE,
								KEY_USERNAME,
								KEY_PASSWORD,
								KEY_CERTIFICATE,
								KEY_USER_CERTIFICATE,
								KEY_MTU,
								KEY_PORT,
								KEY_SPLIT_TUNNELING,
								KEY_LOCAL_ID,
								KEY_REMOTE_ID,
								KEY_EXCLUDED_SUBNETS,
								KEY_INCLUDED_SUBNETS,
							};

	private static class DatabaseHelper extends SQLiteOpenHelper
	{
		public DatabaseHelper(Context context)
		{
			super(context, DATABASE_NAME, null, DATABASE_VERSION);
		}

		@Override
		public void onCreate(SQLiteDatabase database)
		{
			database.execSQL(DATABASE_CREATE);
		}

		@Override
		public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
		{
			Log.w(TAG, "Upgrading database from version " + oldVersion +
				  " to " + newVersion);
			if (oldVersion < 2)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_USER_CERTIFICATE +
						   " TEXT;");
			}
			if (oldVersion < 3)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_VPN_TYPE +
						   " TEXT DEFAULT '';");
			}
			if (oldVersion < 4)
			{	/* remove NOT NULL constraint from username column */
				updateColumns(db);
			}
			if (oldVersion < 5)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_MTU +
						   " INTEGER;");
			}
			if (oldVersion < 6)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_PORT +
						   " INTEGER;");
			}
			if (oldVersion < 7)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_SPLIT_TUNNELING +
						   " INTEGER;");
			}
			if (oldVersion < 8)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_LOCAL_ID +
						   " TEXT;");
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_REMOTE_ID +
						   " TEXT;");
			}
			if (oldVersion < 9)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_UUID +
						   " TEXT;");
				updateColumns(db);
			}
			if (oldVersion < 10)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_EXCLUDED_SUBNETS +
						   " TEXT;");
			}
			if (oldVersion < 11)
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_INCLUDED_SUBNETS +
						   " TEXT;");
			}
		}

		private void updateColumns(SQLiteDatabase db)
		{
			db.beginTransaction();
			try
			{
				db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " RENAME TO tmp_" + TABLE_VPNPROFILE + ";");
				db.execSQL(DATABASE_CREATE);
				StringBuilder insert = new StringBuilder("INSERT INTO " + TABLE_VPNPROFILE + " SELECT ");
				SQLiteQueryBuilder.appendColumns(insert, ALL_COLUMNS);
				db.execSQL(insert.append(" FROM tmp_" + TABLE_VPNPROFILE + ";").toString());
				db.execSQL("DROP TABLE tmp_" + TABLE_VPNPROFILE + ";");
				db.setTransactionSuccessful();
			}
			finally
			{
				db.endTransaction();
			}
		}
	}

	/**
	 * Construct a new VPN profile data source. The context is used to
	 * open/create the database.
	 * @param context context used to access the database
	 */
	public VpnProfileDataSource(Context context)
	{
		this.mContext = context;
	}

	/**
	 * Open the VPN profile data source. The database is automatically created
	 * if it does not yet exist. If that fails an exception is thrown.
	 * @return itself (allows to chain initialization calls)
	 * @throws SQLException if the database could not be opened or created
	 */
	public VpnProfileDataSource open() throws SQLException
	{
		if (mDbHelper == null)
		{
			mDbHelper = new DatabaseHelper(mContext);
			mDatabase = mDbHelper.getWritableDatabase();
		}
		return this;
	}

	/**
	 * Close the data source.
	 */
	public void close()
	{
		if (mDbHelper != null)
		{
			mDbHelper.close();
			mDbHelper = null;
		}
	}

	/**
	 * Insert the given VPN profile into the database.  On success the Id of
	 * the object is updated and the object returned.
	 *
	 * @param profile the profile to add
	 * @return the added VPN profile or null, if failed
	 */
	public VpnProfile insertProfile(VpnProfile profile)
	{
		ContentValues values = ContentValuesFromVpnProfile(profile);
		long insertId = mDatabase.insert(TABLE_VPNPROFILE, null, values);
		if (insertId == -1)
		{
			return null;
		}
		profile.setId(insertId);
		return profile;
	}

	/**
	 * Updates the given VPN profile in the database.
	 * @param profile the profile to update
	 * @return true if update succeeded, false otherwise
	 */
	public boolean updateVpnProfile(VpnProfile profile)
	{
		long id = profile.getId();
		ContentValues values = ContentValuesFromVpnProfile(profile);
		return mDatabase.update(TABLE_VPNPROFILE, values, KEY_ID + " = " + id, null) > 0;
	}

	/**
	 * Delete the given VPN profile from the database.
	 * @param profile the profile to delete
	 * @return true if deleted, false otherwise
	 */
	public boolean deleteVpnProfile(VpnProfile profile)
	{
		long id = profile.getId();
		return mDatabase.delete(TABLE_VPNPROFILE, KEY_ID + " = " + id, null) > 0;
	}

	/**
	 * Get a single VPN profile from the database.
	 * @param id the ID of the VPN profile
	 * @return the profile or null, if not found
	 */
	public VpnProfile getVpnProfile(long id)
	{
		VpnProfile profile = null;
		Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS,
										KEY_ID + "=" + id, null, null, null, null);
		if (cursor.moveToFirst())
		{
			profile = VpnProfileFromCursor(cursor);
		}
		cursor.close();
		return profile;
	}

	/**
	 * Get a single VPN profile from the database by its UUID.
	 * @param uuid the UUID of the VPN profile
	 * @return the profile or null, if not found
	 */
	public VpnProfile getVpnProfile(UUID uuid)
	{
		VpnProfile profile = null;
		Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS,
										KEY_UUID + "='" + uuid.toString() + "'", null, null, null, null);
		if (cursor.moveToFirst())
		{
			profile = VpnProfileFromCursor(cursor);
		}
		cursor.close();
		return profile;
	}

	/**
	 * Get a list of all VPN profiles stored in the database.
	 * @return list of VPN profiles
	 */
	public List<VpnProfile> getAllVpnProfiles()
	{
		List<VpnProfile> vpnProfiles = new ArrayList<VpnProfile>();

		Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS, null, null, null, null, null);
		cursor.moveToFirst();
		while (!cursor.isAfterLast())
		{
			VpnProfile vpnProfile = VpnProfileFromCursor(cursor);
			vpnProfiles.add(vpnProfile);
			cursor.moveToNext();
		}
		cursor.close();
		return vpnProfiles;
	}

	private VpnProfile VpnProfileFromCursor(Cursor cursor)
	{
		VpnProfile profile = new VpnProfile();
		profile.setId(cursor.getLong(cursor.getColumnIndex(KEY_ID)));
		profile.setUUID(getUUID(cursor, cursor.getColumnIndex(KEY_UUID)));
		profile.setName(cursor.getString(cursor.getColumnIndex(KEY_NAME)));
		profile.setGateway(cursor.getString(cursor.getColumnIndex(KEY_GATEWAY)));
		profile.setVpnType(VpnType.fromIdentifier(cursor.getString(cursor.getColumnIndex(KEY_VPN_TYPE))));
		profile.setUsername(cursor.getString(cursor.getColumnIndex(KEY_USERNAME)));
		profile.setPassword(cursor.getString(cursor.getColumnIndex(KEY_PASSWORD)));
		profile.setCertificateAlias(cursor.getString(cursor.getColumnIndex(KEY_CERTIFICATE)));
		profile.setUserCertificateAlias(cursor.getString(cursor.getColumnIndex(KEY_USER_CERTIFICATE)));
		profile.setMTU(getInt(cursor, cursor.getColumnIndex(KEY_MTU)));
		profile.setPort(getInt(cursor, cursor.getColumnIndex(KEY_PORT)));
		profile.setSplitTunneling(getInt(cursor, cursor.getColumnIndex(KEY_SPLIT_TUNNELING)));
		profile.setLocalId(cursor.getString(cursor.getColumnIndex(KEY_LOCAL_ID)));
		profile.setRemoteId(cursor.getString(cursor.getColumnIndex(KEY_REMOTE_ID)));
		profile.setExcludedSubnets(cursor.getString(cursor.getColumnIndex(KEY_EXCLUDED_SUBNETS)));
		profile.setIncludedSubnets(cursor.getString(cursor.getColumnIndex(KEY_INCLUDED_SUBNETS)));
		return profile;
	}

	private ContentValues ContentValuesFromVpnProfile(VpnProfile profile)
	{
		ContentValues values = new ContentValues();
		values.put(KEY_UUID, profile.getUUID() != null ? profile.getUUID().toString() : null);
		values.put(KEY_NAME, profile.getName());
		values.put(KEY_GATEWAY, profile.getGateway());
		values.put(KEY_VPN_TYPE, profile.getVpnType().getIdentifier());
		values.put(KEY_USERNAME, profile.getUsername());
		values.put(KEY_PASSWORD, profile.getPassword());
		values.put(KEY_CERTIFICATE, profile.getCertificateAlias());
		values.put(KEY_USER_CERTIFICATE, profile.getUserCertificateAlias());
		values.put(KEY_MTU, profile.getMTU());
		values.put(KEY_PORT, profile.getPort());
		values.put(KEY_SPLIT_TUNNELING, profile.getSplitTunneling());
		values.put(KEY_LOCAL_ID, profile.getLocalId());
		values.put(KEY_REMOTE_ID, profile.getRemoteId());
		values.put(KEY_EXCLUDED_SUBNETS, profile.getExcludedSubnets());
		values.put(KEY_INCLUDED_SUBNETS, profile.getIncludedSubnets());
		return values;
	}

	private Integer getInt(Cursor cursor, int columnIndex)
	{
		return cursor.isNull(columnIndex) ? null : cursor.getInt(columnIndex);
	}

	private UUID getUUID(Cursor cursor, int columnIndex)
	{
		try
		{
			return cursor.isNull(columnIndex) ? null : UUID.fromString(cursor.getString(columnIndex));
		}
		catch (Exception e)
		{
			return null;
		}
	}
}
Commit	Line	Data
d799cbf6	1	/*
13ead876	2	* Copyright (C) 2012-2017 Tobias Brunner
d799cbf6 TB	3	* Copyright (C) 2012 Giuliano Grassi
d799cbf6 TB	4	* Copyright (C) 2012 Ralf Sager
89149dbb	5	* HSR Hochschule fuer Technik Rapperswil
d799cbf6 TB	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2 of the License, or (at your
	10	* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	14	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	15	* for more details.
	16	*/
	17
	18	package org.strongswan.android.data;
	19
d799cbf6 TB	20	import android.content.ContentValues;
	21	import android.content.Context;
	22	import android.database.Cursor;
	23	import android.database.SQLException;
	24	import android.database.sqlite.SQLiteDatabase;
	25	import android.database.sqlite.SQLiteOpenHelper;
3f9e90f6	26	import android.database.sqlite.SQLiteQueryBuilder;
d799cbf6 TB	27	import android.util.Log;
d799cbf6 TB	28
13ead876 TB	29	import java.util.ArrayList;
	30	import java.util.List;
	31	import java.util.UUID;
	32
d799cbf6 TB	33	public class VpnProfileDataSource
	34	{
	35	private static final String TAG = VpnProfileDataSource.class.getSimpleName();
	36	public static final String KEY_ID = "_id";
c4ab9af7	37	public static final String KEY_UUID = "_uuid";
d799cbf6 TB	38	public static final String KEY_NAME = "name";
d799cbf6 TB	39	public static final String KEY_GATEWAY = "gateway";
48f51d94	40	public static final String KEY_VPN_TYPE = "vpn_type";
d799cbf6 TB	41	public static final String KEY_USERNAME = "username";
	42	public static final String KEY_PASSWORD = "password";
	43	public static final String KEY_CERTIFICATE = "certificate";
e09f4120	44	public static final String KEY_USER_CERTIFICATE = "user_certificate";
7e2a6c4a	45	public static final String KEY_MTU = "mtu";
5b11855f	46	public static final String KEY_PORT = "port";
f3d8da76	47	public static final String KEY_SPLIT_TUNNELING = "split_tunneling";
89149dbb TB	48	public static final String KEY_LOCAL_ID = "local_id";
89149dbb TB	49	public static final String KEY_REMOTE_ID = "remote_id";
13ead876	50	public static final String KEY_EXCLUDED_SUBNETS = "excluded_subnets";
a9875259	51	public static final String KEY_INCLUDED_SUBNETS = "included_subnets";
d799cbf6 TB	52
	53	private DatabaseHelper mDbHelper;
	54	private SQLiteDatabase mDatabase;
	55	private final Context mContext;
	56
	57	private static final String DATABASE_NAME = "strongswan.db";
	58	private static final String TABLE_VPNPROFILE = "vpnprofile";
	59
a9875259	60	private static final int DATABASE_VERSION = 11;
d799cbf6 TB	61
	62	public static final String DATABASE_CREATE =
	63	"CREATE TABLE " + TABLE_VPNPROFILE + " (" +
	64	KEY_ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
c4ab9af7	65	KEY_UUID + " TEXT UNIQUE," +
d799cbf6 TB	66	KEY_NAME + " TEXT NOT NULL," +
d799cbf6 TB	67	KEY_GATEWAY + " TEXT NOT NULL," +
48f51d94	68	KEY_VPN_TYPE + " TEXT NOT NULL," +
3f9e90f6	69	KEY_USERNAME + " TEXT," +
d799cbf6	70	KEY_PASSWORD + " TEXT," +
e09f4120	71	KEY_CERTIFICATE + " TEXT," +
7e2a6c4a	72	KEY_USER_CERTIFICATE + " TEXT," +
5b11855f	73	KEY_MTU + " INTEGER," +
f3d8da76	74	KEY_PORT + " INTEGER," +
89149dbb TB	75	KEY_SPLIT_TUNNELING + " INTEGER," +
89149dbb TB	76	KEY_LOCAL_ID + " TEXT," +
13ead876	77	KEY_REMOTE_ID + " TEXT," +
a9875259 TB	78	KEY_EXCLUDED_SUBNETS + " TEXT," +
a9875259 TB	79	KEY_INCLUDED_SUBNETS + " TEXT" +
d799cbf6	80	");";
3f9e90f6	81	private static final String[] ALL_COLUMNS = new String[] {
d799cbf6	82	KEY_ID,
c4ab9af7	83	KEY_UUID,
d799cbf6 TB	84	KEY_NAME,
d799cbf6 TB	85	KEY_GATEWAY,
48f51d94	86	KEY_VPN_TYPE,
d799cbf6 TB	87	KEY_USERNAME,
d799cbf6 TB	88	KEY_PASSWORD,
e09f4120 TB	89	KEY_CERTIFICATE,
e09f4120 TB	90	KEY_USER_CERTIFICATE,
7e2a6c4a	91	KEY_MTU,
5b11855f	92	KEY_PORT,
f3d8da76	93	KEY_SPLIT_TUNNELING,
89149dbb TB	94	KEY_LOCAL_ID,
89149dbb TB	95	KEY_REMOTE_ID,
13ead876	96	KEY_EXCLUDED_SUBNETS,
a9875259	97	KEY_INCLUDED_SUBNETS,
d799cbf6 TB	98	};
	99
	100	private static class DatabaseHelper extends SQLiteOpenHelper
	101	{
	102	public DatabaseHelper(Context context)
	103	{
	104	super(context, DATABASE_NAME, null, DATABASE_VERSION);
	105	}
	106
	107	@Override
	108	public void onCreate(SQLiteDatabase database)
	109	{
	110	database.execSQL(DATABASE_CREATE);
	111	}
	112
	113	@Override
	114	public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
	115	{
	116	Log.w(TAG, "Upgrading database from version " + oldVersion +
e09f4120 TB	117	" to " + newVersion);
	118	if (oldVersion < 2)
	119	{
	120	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_USER_CERTIFICATE +
	121	" TEXT;");
	122	}
48f51d94 TB	123	if (oldVersion < 3)
	124	{
	125	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_VPN_TYPE +
	126	" TEXT DEFAULT '';");
	127	}
3f9e90f6 TB	128	if (oldVersion < 4)
	129	{ /* remove NOT NULL constraint from username column */
	130	updateColumns(db);
	131	}
7e2a6c4a TB	132	if (oldVersion < 5)
	133	{
	134	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_MTU +
	135	" INTEGER;");
	136	}
5b11855f TB	137	if (oldVersion < 6)
	138	{
	139	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_PORT +
	140	" INTEGER;");
	141	}
f3d8da76 TB	142	if (oldVersion < 7)
	143	{
	144	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_SPLIT_TUNNELING +
	145	" INTEGER;");
	146	}
89149dbb TB	147	if (oldVersion < 8)
	148	{
	149	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_LOCAL_ID +
	150	" TEXT;");
	151	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_REMOTE_ID +
	152	" TEXT;");
	153	}
c4ab9af7 TB	154	if (oldVersion < 9)
	155	{
	156	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_UUID +
	157	" TEXT;");
	158	updateColumns(db);
	159	}
13ead876 TB	160	if (oldVersion < 10)
	161	{
	162	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_EXCLUDED_SUBNETS +
	163	" TEXT;");
	164	}
a9875259 TB	165	if (oldVersion < 11)
	166	{
	167	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " ADD " + KEY_INCLUDED_SUBNETS +
	168	" TEXT;");
	169	}
3f9e90f6 TB	170	}
	171
	172	private void updateColumns(SQLiteDatabase db)
	173	{
	174	db.beginTransaction();
	175	try
	176	{
	177	db.execSQL("ALTER TABLE " + TABLE_VPNPROFILE + " RENAME TO tmp_" + TABLE_VPNPROFILE + ";");
	178	db.execSQL(DATABASE_CREATE);
	179	StringBuilder insert = new StringBuilder("INSERT INTO " + TABLE_VPNPROFILE + " SELECT ");
	180	SQLiteQueryBuilder.appendColumns(insert, ALL_COLUMNS);
	181	db.execSQL(insert.append(" FROM tmp_" + TABLE_VPNPROFILE + ";").toString());
	182	db.execSQL("DROP TABLE tmp_" + TABLE_VPNPROFILE + ";");
	183	db.setTransactionSuccessful();
	184	}
	185	finally
	186	{
	187	db.endTransaction();
	188	}
d799cbf6 TB	189	}
	190	}
	191
	192	/**
	193	* Construct a new VPN profile data source. The context is used to
	194	* open/create the database.
	195	* @param context context used to access the database
	196	*/
	197	public VpnProfileDataSource(Context context)
	198	{
	199	this.mContext = context;
	200	}
	201
	202	/**
	203	* Open the VPN profile data source. The database is automatically created
	204	* if it does not yet exist. If that fails an exception is thrown.
	205	* @return itself (allows to chain initialization calls)
	206	* @throws SQLException if the database could not be opened or created
	207	*/
	208	public VpnProfileDataSource open() throws SQLException
	209	{
	210	if (mDbHelper == null)
	211	{
	212	mDbHelper = new DatabaseHelper(mContext);
	213	mDatabase = mDbHelper.getWritableDatabase();
	214	}
	215	return this;
	216	}
	217
	218	/**
	219	* Close the data source.
	220	*/
	221	public void close()
	222	{
	223	if (mDbHelper != null)
	224	{
	225	mDbHelper.close();
	226	mDbHelper = null;
	227	}
	228	}
	229
	230	/**
	231	* Insert the given VPN profile into the database. On success the Id of
	232	* the object is updated and the object returned.
	233	*
	234	* @param profile the profile to add
	235	* @return the added VPN profile or null, if failed
	236	*/
	237	public VpnProfile insertProfile(VpnProfile profile)
	238	{
	239	ContentValues values = ContentValuesFromVpnProfile(profile);
	240	long insertId = mDatabase.insert(TABLE_VPNPROFILE, null, values);
	241	if (insertId == -1)
	242	{
	243	return null;
	244	}
	245	profile.setId(insertId);
	246	return profile;
	247	}
	248
	249	/**
	250	* Updates the given VPN profile in the database.
	251	* @param profile the profile to update
	252	* @return true if update succeeded, false otherwise
253	*/
254	public boolean updateVpnProfile(VpnProfile profile)
255	{
256	long id = profile.getId();
257	ContentValues values = ContentValuesFromVpnProfile(profile);
258	return mDatabase.update(TABLE_VPNPROFILE, values, KEY_ID + " = " + id, null) > 0;
259	}
260
261	/**
262	* Delete the given VPN profile from the database.
263	* @param profile the profile to delete
264	* @return true if deleted, false otherwise
265	*/
266	public boolean deleteVpnProfile(VpnProfile profile)
267	{
268	long id = profile.getId();
269	return mDatabase.delete(TABLE_VPNPROFILE, KEY_ID + " = " + id, null) > 0;
270	}
271
272	/**
273	* Get a single VPN profile from the database.
274	* @param id the ID of the VPN profile
275	* @return the profile or null, if not found
276	*/
277	public VpnProfile getVpnProfile(long id)
278	{
279	VpnProfile profile = null;
280	Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS,
281	KEY_ID + "=" + id, null, null, null, null);
282	if (cursor.moveToFirst())
283	{
284	profile = VpnProfileFromCursor(cursor);
285	}
286	cursor.close();
287	return profile;
288	}
289
c4ab9af7 TB	290	/**
	291	* Get a single VPN profile from the database by its UUID.
	292	* @param uuid the UUID of the VPN profile
	293	* @return the profile or null, if not found
	294	*/
	295	public VpnProfile getVpnProfile(UUID uuid)
	296	{
	297	VpnProfile profile = null;
	298	Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS,
	299	KEY_UUID + "='" + uuid.toString() + "'", null, null, null, null);
	300	if (cursor.moveToFirst())
	301	{
	302	profile = VpnProfileFromCursor(cursor);
	303	}
	304	cursor.close();
	305	return profile;
	306	}
	307
d799cbf6 TB	308	/**
	309	* Get a list of all VPN profiles stored in the database.
	310	* @return list of VPN profiles
	311	*/
	312	public List<VpnProfile> getAllVpnProfiles()
	313	{
	314	List<VpnProfile> vpnProfiles = new ArrayList<VpnProfile>();
	315
	316	Cursor cursor = mDatabase.query(TABLE_VPNPROFILE, ALL_COLUMNS, null, null, null, null, null);
	317	cursor.moveToFirst();
	318	while (!cursor.isAfterLast())
	319	{
	320	VpnProfile vpnProfile = VpnProfileFromCursor(cursor);
	321	vpnProfiles.add(vpnProfile);
	322	cursor.moveToNext();
	323	}
	324	cursor.close();
	325	return vpnProfiles;
	326	}
	327
	328	private VpnProfile VpnProfileFromCursor(Cursor cursor)
	329	{
	330	VpnProfile profile = new VpnProfile();
	331	profile.setId(cursor.getLong(cursor.getColumnIndex(KEY_ID)));
c4ab9af7	332	profile.setUUID(getUUID(cursor, cursor.getColumnIndex(KEY_UUID)));
d799cbf6 TB	333	profile.setName(cursor.getString(cursor.getColumnIndex(KEY_NAME)));
d799cbf6 TB	334	profile.setGateway(cursor.getString(cursor.getColumnIndex(KEY_GATEWAY)));
48f51d94	335	profile.setVpnType(VpnType.fromIdentifier(cursor.getString(cursor.getColumnIndex(KEY_VPN_TYPE))));
d799cbf6 TB	336	profile.setUsername(cursor.getString(cursor.getColumnIndex(KEY_USERNAME)));
	337	profile.setPassword(cursor.getString(cursor.getColumnIndex(KEY_PASSWORD)));
	338	profile.setCertificateAlias(cursor.getString(cursor.getColumnIndex(KEY_CERTIFICATE)));
e09f4120	339	profile.setUserCertificateAlias(cursor.getString(cursor.getColumnIndex(KEY_USER_CERTIFICATE)));
7e2a6c4a	340	profile.setMTU(getInt(cursor, cursor.getColumnIndex(KEY_MTU)));
5b11855f	341	profile.setPort(getInt(cursor, cursor.getColumnIndex(KEY_PORT)));
f3d8da76	342	profile.setSplitTunneling(getInt(cursor, cursor.getColumnIndex(KEY_SPLIT_TUNNELING)));
89149dbb TB	343	profile.setLocalId(cursor.getString(cursor.getColumnIndex(KEY_LOCAL_ID)));
89149dbb TB	344	profile.setRemoteId(cursor.getString(cursor.getColumnIndex(KEY_REMOTE_ID)));
13ead876	345	profile.setExcludedSubnets(cursor.getString(cursor.getColumnIndex(KEY_EXCLUDED_SUBNETS)));
a9875259	346	profile.setIncludedSubnets(cursor.getString(cursor.getColumnIndex(KEY_INCLUDED_SUBNETS)));
d799cbf6 TB	347	return profile;
	348	}
	349
	350	private ContentValues ContentValuesFromVpnProfile(VpnProfile profile)
	351	{
	352	ContentValues values = new ContentValues();
c4ab9af7	353	values.put(KEY_UUID, profile.getUUID() != null ? profile.getUUID().toString() : null);
d799cbf6 TB	354	values.put(KEY_NAME, profile.getName());
d799cbf6 TB	355	values.put(KEY_GATEWAY, profile.getGateway());
48f51d94	356	values.put(KEY_VPN_TYPE, profile.getVpnType().getIdentifier());
d799cbf6 TB	357	values.put(KEY_USERNAME, profile.getUsername());
	358	values.put(KEY_PASSWORD, profile.getPassword());
	359	values.put(KEY_CERTIFICATE, profile.getCertificateAlias());
e09f4120	360	values.put(KEY_USER_CERTIFICATE, profile.getUserCertificateAlias());
7e2a6c4a	361	values.put(KEY_MTU, profile.getMTU());
5b11855f	362	values.put(KEY_PORT, profile.getPort());
f3d8da76	363	values.put(KEY_SPLIT_TUNNELING, profile.getSplitTunneling());
89149dbb TB	364	values.put(KEY_LOCAL_ID, profile.getLocalId());
89149dbb TB	365	values.put(KEY_REMOTE_ID, profile.getRemoteId());
13ead876	366	values.put(KEY_EXCLUDED_SUBNETS, profile.getExcludedSubnets());
a9875259	367	values.put(KEY_INCLUDED_SUBNETS, profile.getIncludedSubnets());
d799cbf6 TB	368	return values;
d799cbf6 TB	369	}
7e2a6c4a TB	370
	371	private Integer getInt(Cursor cursor, int columnIndex)
	372	{
	373	return cursor.isNull(columnIndex) ? null : cursor.getInt(columnIndex);
	374	}
c4ab9af7 TB	375
	376	private UUID getUUID(Cursor cursor, int columnIndex)
	377	{
	378	try
	379	{
	380	return cursor.isNull(columnIndex) ? null : UUID.fromString(cursor.getString(columnIndex));
	381	}
	382	catch (Exception e)
	383	{
	384	return null;
	385	}
	386	}
d799cbf6	387	}