mirror of
https://github.com/oxen-io/session-android.git
synced 2025-04-06 19:05:38 +00:00
359 lines
16 KiB
Java
359 lines
16 KiB
Java
package org.thoughtcrime.securesms.database.helpers;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.SystemClock;
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import android.support.annotation.NonNull;
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import android.text.TextUtils;
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import org.thoughtcrime.securesms.database.Address;
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import org.thoughtcrime.securesms.logging.Log;
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import net.sqlcipher.database.SQLiteDatabase;
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import net.sqlcipher.database.SQLiteDatabaseHook;
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import net.sqlcipher.database.SQLiteOpenHelper;
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import org.thoughtcrime.securesms.ApplicationContext;
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import org.thoughtcrime.securesms.crypto.DatabaseSecret;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.database.AttachmentDatabase;
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import org.thoughtcrime.securesms.database.DraftDatabase;
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import org.thoughtcrime.securesms.database.GroupDatabase;
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import org.thoughtcrime.securesms.database.GroupReceiptDatabase;
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import org.thoughtcrime.securesms.database.IdentityDatabase;
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import org.thoughtcrime.securesms.database.MmsDatabase;
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import org.thoughtcrime.securesms.database.OneTimePreKeyDatabase;
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import org.thoughtcrime.securesms.database.PushDatabase;
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import org.thoughtcrime.securesms.database.RecipientDatabase;
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import org.thoughtcrime.securesms.database.SearchDatabase;
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import org.thoughtcrime.securesms.database.SessionDatabase;
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import org.thoughtcrime.securesms.database.SignedPreKeyDatabase;
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import org.thoughtcrime.securesms.database.SmsDatabase;
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import org.thoughtcrime.securesms.database.ThreadDatabase;
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import org.thoughtcrime.securesms.jobs.RefreshPreKeysJob;
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import org.thoughtcrime.securesms.notifications.NotificationChannels;
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import org.thoughtcrime.securesms.service.KeyCachingService;
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import org.thoughtcrime.securesms.util.TextSecurePreferences;
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import java.io.File;
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public class SQLCipherOpenHelper extends SQLiteOpenHelper {
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@SuppressWarnings("unused")
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private static final String TAG = SQLCipherOpenHelper.class.getSimpleName();
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private static final int RECIPIENT_CALL_RINGTONE_VERSION = 2;
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private static final int MIGRATE_PREKEYS_VERSION = 3;
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private static final int MIGRATE_SESSIONS_VERSION = 4;
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private static final int NO_MORE_IMAGE_THUMBNAILS_VERSION = 5;
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private static final int ATTACHMENT_DIMENSIONS = 6;
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private static final int QUOTED_REPLIES = 7;
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private static final int SHARED_CONTACTS = 8;
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private static final int FULL_TEXT_SEARCH = 9;
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private static final int BAD_IMPORT_CLEANUP = 10;
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private static final int QUOTE_MISSING = 11;
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private static final int NOTIFICATION_CHANNELS = 12;
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private static final int SECRET_SENDER = 13;
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private static final int ATTACHMENT_CAPTIONS = 14;
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private static final int ATTACHMENT_CAPTIONS_FIX = 15;
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private static final int PREVIEWS = 16;
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private static final int DATABASE_VERSION = 16;
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private static final String DATABASE_NAME = "signal.db";
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private final Context context;
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private final DatabaseSecret databaseSecret;
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public SQLCipherOpenHelper(@NonNull Context context, @NonNull DatabaseSecret databaseSecret) {
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super(context, DATABASE_NAME, null, DATABASE_VERSION, new SQLiteDatabaseHook() {
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@Override
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public void preKey(SQLiteDatabase db) {
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db.rawExecSQL("PRAGMA cipher_default_kdf_iter = 1;");
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db.rawExecSQL("PRAGMA cipher_default_page_size = 4096;");
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}
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@Override
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public void postKey(SQLiteDatabase db) {
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db.rawExecSQL("PRAGMA kdf_iter = '1';");
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db.rawExecSQL("PRAGMA cipher_page_size = 4096;");
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}
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});
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this.context = context.getApplicationContext();
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this.databaseSecret = databaseSecret;
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL(SmsDatabase.CREATE_TABLE);
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db.execSQL(MmsDatabase.CREATE_TABLE);
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db.execSQL(AttachmentDatabase.CREATE_TABLE);
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db.execSQL(ThreadDatabase.CREATE_TABLE);
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db.execSQL(IdentityDatabase.CREATE_TABLE);
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db.execSQL(DraftDatabase.CREATE_TABLE);
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db.execSQL(PushDatabase.CREATE_TABLE);
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db.execSQL(GroupDatabase.CREATE_TABLE);
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db.execSQL(RecipientDatabase.CREATE_TABLE);
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db.execSQL(GroupReceiptDatabase.CREATE_TABLE);
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db.execSQL(OneTimePreKeyDatabase.CREATE_TABLE);
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db.execSQL(SignedPreKeyDatabase.CREATE_TABLE);
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db.execSQL(SessionDatabase.CREATE_TABLE);
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for (String sql : SearchDatabase.CREATE_TABLE) {
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db.execSQL(sql);
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}
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executeStatements(db, SmsDatabase.CREATE_INDEXS);
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executeStatements(db, MmsDatabase.CREATE_INDEXS);
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executeStatements(db, AttachmentDatabase.CREATE_INDEXS);
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executeStatements(db, ThreadDatabase.CREATE_INDEXS);
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executeStatements(db, DraftDatabase.CREATE_INDEXS);
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executeStatements(db, GroupDatabase.CREATE_INDEXS);
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executeStatements(db, GroupReceiptDatabase.CREATE_INDEXES);
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if (context.getDatabasePath(ClassicOpenHelper.NAME).exists()) {
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ClassicOpenHelper legacyHelper = new ClassicOpenHelper(context);
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android.database.sqlite.SQLiteDatabase legacyDb = legacyHelper.getWritableDatabase();
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SQLCipherMigrationHelper.migratePlaintext(context, legacyDb, db);
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MasterSecret masterSecret = KeyCachingService.getMasterSecret(context);
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if (masterSecret != null) SQLCipherMigrationHelper.migrateCiphertext(context, masterSecret, legacyDb, db, null);
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else TextSecurePreferences.setNeedsSqlCipherMigration(context, true);
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if (!PreKeyMigrationHelper.migratePreKeys(context, db)) {
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ApplicationContext.getInstance(context).getJobManager().add(new RefreshPreKeysJob(context));
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}
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SessionStoreMigrationHelper.migrateSessions(context, db);
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PreKeyMigrationHelper.cleanUpPreKeys(context);
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}
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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Log.i(TAG, "Upgrading database: " + oldVersion + ", " + newVersion);
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db.beginTransaction();
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try {
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if (oldVersion < RECIPIENT_CALL_RINGTONE_VERSION) {
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db.execSQL("ALTER TABLE recipient_preferences ADD COLUMN call_ringtone TEXT DEFAULT NULL");
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db.execSQL("ALTER TABLE recipient_preferences ADD COLUMN call_vibrate INTEGER DEFAULT " + RecipientDatabase.VibrateState.DEFAULT.getId());
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}
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if (oldVersion < MIGRATE_PREKEYS_VERSION) {
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db.execSQL("CREATE TABLE signed_prekeys (_id INTEGER PRIMARY KEY, key_id INTEGER UNIQUE, public_key TEXT NOT NULL, private_key TEXT NOT NULL, signature TEXT NOT NULL, timestamp INTEGER DEFAULT 0)");
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db.execSQL("CREATE TABLE one_time_prekeys (_id INTEGER PRIMARY KEY, key_id INTEGER UNIQUE, public_key TEXT NOT NULL, private_key TEXT NOT NULL)");
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if (!PreKeyMigrationHelper.migratePreKeys(context, db)) {
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ApplicationContext.getInstance(context).getJobManager().add(new RefreshPreKeysJob(context));
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}
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}
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if (oldVersion < MIGRATE_SESSIONS_VERSION) {
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db.execSQL("CREATE TABLE sessions (_id INTEGER PRIMARY KEY, address TEXT NOT NULL, device INTEGER NOT NULL, record BLOB NOT NULL, UNIQUE(address, device) ON CONFLICT REPLACE)");
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SessionStoreMigrationHelper.migrateSessions(context, db);
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}
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if (oldVersion < NO_MORE_IMAGE_THUMBNAILS_VERSION) {
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ContentValues update = new ContentValues();
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update.put("thumbnail", (String)null);
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update.put("aspect_ratio", (String)null);
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update.put("thumbnail_random", (String)null);
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try (Cursor cursor = db.query("part", new String[] {"_id", "ct", "thumbnail"}, "thumbnail IS NOT NULL", null, null, null, null)) {
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while (cursor != null && cursor.moveToNext()) {
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long id = cursor.getLong(cursor.getColumnIndexOrThrow("_id"));
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String contentType = cursor.getString(cursor.getColumnIndexOrThrow("ct"));
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if (contentType != null && !contentType.startsWith("video")) {
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String thumbnailPath = cursor.getString(cursor.getColumnIndexOrThrow("thumbnail"));
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File thumbnailFile = new File(thumbnailPath);
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thumbnailFile.delete();
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db.update("part", update, "_id = ?", new String[] {String.valueOf(id)});
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}
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}
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}
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}
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if (oldVersion < ATTACHMENT_DIMENSIONS) {
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db.execSQL("ALTER TABLE part ADD COLUMN width INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE part ADD COLUMN height INTEGER DEFAULT 0");
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}
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if (oldVersion < QUOTED_REPLIES) {
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db.execSQL("ALTER TABLE mms ADD COLUMN quote_id INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE mms ADD COLUMN quote_author TEXT");
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db.execSQL("ALTER TABLE mms ADD COLUMN quote_body TEXT");
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db.execSQL("ALTER TABLE mms ADD COLUMN quote_attachment INTEGER DEFAULT -1");
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db.execSQL("ALTER TABLE part ADD COLUMN quote INTEGER DEFAULT 0");
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}
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if (oldVersion < SHARED_CONTACTS) {
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db.execSQL("ALTER TABLE mms ADD COLUMN shared_contacts TEXT");
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}
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if (oldVersion < FULL_TEXT_SEARCH) {
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for (String sql : SearchDatabase.CREATE_TABLE) {
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db.execSQL(sql);
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}
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Log.i(TAG, "Beginning to build search index.");
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long start = SystemClock.elapsedRealtime();
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db.execSQL("INSERT INTO sms_fts (rowid, body) SELECT _id, body FROM sms");
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long smsFinished = SystemClock.elapsedRealtime();
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Log.i(TAG, "Indexing SMS completed in " + (smsFinished - start) + " ms");
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db.execSQL("INSERT INTO mms_fts (rowid, body) SELECT _id, body FROM mms");
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long mmsFinished = SystemClock.elapsedRealtime();
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Log.i(TAG, "Indexing MMS completed in " + (mmsFinished - smsFinished) + " ms");
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Log.i(TAG, "Indexing finished. Total time: " + (mmsFinished - start) + " ms");
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}
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if (oldVersion < BAD_IMPORT_CLEANUP) {
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String trimmedCondition = " NOT IN (SELECT _id FROM mms)";
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db.delete("group_receipts", "mms_id" + trimmedCondition, null);
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String[] columns = new String[] { "_id", "unique_id", "_data", "thumbnail"};
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try (Cursor cursor = db.query("part", columns, "mid" + trimmedCondition, null, null, null, null)) {
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while (cursor != null && cursor.moveToNext()) {
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db.delete("part", "_id = ? AND unique_id = ?", new String[] { String.valueOf(cursor.getLong(0)), String.valueOf(cursor.getLong(1)) });
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String data = cursor.getString(2);
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String thumbnail = cursor.getString(3);
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if (!TextUtils.isEmpty(data)) {
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new File(data).delete();
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}
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if (!TextUtils.isEmpty(thumbnail)) {
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new File(thumbnail).delete();
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}
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}
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}
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}
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// Note: This column only being checked due to upgrade issues as described in #8184
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if (oldVersion < QUOTE_MISSING && !columnExists(db, "mms", "quote_missing")) {
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db.execSQL("ALTER TABLE mms ADD COLUMN quote_missing INTEGER DEFAULT 0");
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}
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// Note: The column only being checked due to upgrade issues as described in #8184
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if (oldVersion < NOTIFICATION_CHANNELS && !columnExists(db, "recipient_preferences", "notification_channel")) {
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db.execSQL("ALTER TABLE recipient_preferences ADD COLUMN notification_channel TEXT DEFAULT NULL");
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NotificationChannels.create(context);
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try (Cursor cursor = db.rawQuery("SELECT recipient_ids, system_display_name, signal_profile_name, notification, vibrate FROM recipient_preferences WHERE notification NOT NULL OR vibrate != 0", null)) {
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while (cursor != null && cursor.moveToNext()) {
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String addressString = cursor.getString(cursor.getColumnIndexOrThrow("recipient_ids"));
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Address address = Address.fromExternal(context, addressString);
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String systemName = cursor.getString(cursor.getColumnIndexOrThrow("system_display_name"));
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String profileName = cursor.getString(cursor.getColumnIndexOrThrow("signal_profile_name"));
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String messageSound = cursor.getString(cursor.getColumnIndexOrThrow("notification"));
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Uri messageSoundUri = messageSound != null ? Uri.parse(messageSound) : null;
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int vibrateState = cursor.getInt(cursor.getColumnIndexOrThrow("vibrate"));
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String displayName = NotificationChannels.getChannelDisplayNameFor(context, systemName, profileName, address);
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boolean vibrateEnabled = vibrateState == 0 ? TextSecurePreferences.isNotificationVibrateEnabled(context) : vibrateState == 1;
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if (address.isGroup()) {
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try(Cursor groupCursor = db.rawQuery("SELECT title FROM groups WHERE group_id = ?", new String[] { address.toGroupString() })) {
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if (groupCursor != null && groupCursor.moveToFirst()) {
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String title = groupCursor.getString(groupCursor.getColumnIndexOrThrow("title"));
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if (!TextUtils.isEmpty(title)) {
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displayName = title;
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}
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}
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}
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}
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String channelId = NotificationChannels.createChannelFor(context, address, displayName, messageSoundUri, vibrateEnabled);
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ContentValues values = new ContentValues(1);
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values.put("notification_channel", channelId);
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db.update("recipient_preferences", values, "recipient_ids = ?", new String[] { addressString });
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}
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}
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}
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if (oldVersion < SECRET_SENDER) {
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db.execSQL("ALTER TABLE recipient_preferences ADD COLUMN unidentified_access_mode INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE push ADD COLUMN server_timestamp INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE push ADD COLUMN server_guid TEXT DEFAULT NULL");
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db.execSQL("ALTER TABLE group_receipts ADD COLUMN unidentified INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE mms ADD COLUMN unidentified INTEGER DEFAULT 0");
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db.execSQL("ALTER TABLE sms ADD COLUMN unidentified INTEGER DEFAULT 0");
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}
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if (oldVersion < ATTACHMENT_CAPTIONS) {
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db.execSQL("ALTER TABLE part ADD COLUMN caption TEXT DEFAULT NULL");
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}
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// 4.30.8 included a migration, but not a correct CREATE_TABLE statement, so we need to add
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// this column if it isn't present.
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if (oldVersion < ATTACHMENT_CAPTIONS_FIX) {
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if (!columnExists(db, "part", "caption")) {
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db.execSQL("ALTER TABLE part ADD COLUMN caption TEXT DEFAULT NULL");
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}
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}
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if (oldVersion < PREVIEWS) {
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db.execSQL("ALTER TABLE mms ADD COLUMN previews TEXT");
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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if (oldVersion < MIGRATE_PREKEYS_VERSION) {
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PreKeyMigrationHelper.cleanUpPreKeys(context);
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}
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}
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public SQLiteDatabase getReadableDatabase() {
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return getReadableDatabase(databaseSecret.asString());
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}
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public SQLiteDatabase getWritableDatabase() {
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return getWritableDatabase(databaseSecret.asString());
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}
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public void markCurrent(SQLiteDatabase db) {
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db.setVersion(DATABASE_VERSION);
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}
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private void executeStatements(SQLiteDatabase db, String[] statements) {
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for (String statement : statements)
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db.execSQL(statement);
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}
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private static boolean columnExists(@NonNull SQLiteDatabase db, @NonNull String table, @NonNull String column) {
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try (Cursor cursor = db.rawQuery("PRAGMA table_info(" + table + ")", null)) {
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int nameColumnIndex = cursor.getColumnIndexOrThrow("name");
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while (cursor.moveToNext()) {
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String name = cursor.getString(nameColumnIndex);
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if (name.equals(column)) {
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return true;
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}
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}
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}
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return false;
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}
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}
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