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Fixed export and restore of FTS tables.

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First, FTS index contents do not need to be exported. They will be recreated naturally.

Second, we can't export the secret FTS tables, or SQLite will think it's corrupted.
This commit is contained in:
Greyson Parrelli 2018-06-06 20:12:17 -07:00
parent b7282589de
commit 2b45b3caa2
2 changed files with 27 additions and 10 deletions
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26
src/org/thoughtcrime/securesms/backup/FullBackupExporter.java
View File

@ -24,6 +24,7 @@ import org.thoughtcrime.securesms.database.AttachmentDatabase;
import org.thoughtcrime.securesms.database.MmsDatabase;
import org.thoughtcrime.securesms.database.MmsSmsColumns;
import org.thoughtcrime.securesms.database.OneTimePreKeyDatabase;
import org.thoughtcrime.securesms.database.SearchDatabase;
import org.thoughtcrime.securesms.database.SessionDatabase;
import org.thoughtcrime.securesms.database.SignedPreKeyDatabase;
import org.thoughtcrime.securesms.database.SmsDatabase;
@ -76,9 +77,11 @@ public class FullBackupExporter extends FullBackupBase {
count = exportTable(table, input, outputStream, cursor -> cursor.getInt(cursor.getColumnIndexOrThrow(MmsSmsColumns.EXPIRES_IN)) <= 0, null, count);
} else if (table.equals(AttachmentDatabase.TABLE_NAME)) {
count = exportTable(table, input, outputStream, null, cursor -> exportAttachment(attachmentSecret, cursor, outputStream), count);
} else if (!table.equals(SignedPreKeyDatabase.TABLE_NAME) &&
!table.equals(OneTimePreKeyDatabase.TABLE_NAME) &&
!table.equals(SessionDatabase.TABLE_NAME))
} else if (!table.equals(SignedPreKeyDatabase.TABLE_NAME) &&
!table.equals(OneTimePreKeyDatabase.TABLE_NAME) &&
!table.equals(SessionDatabase.TABLE_NAME) &&
!table.startsWith(SearchDatabase.SMS_FTS_TABLE_NAME) &&
!table.startsWith(SearchDatabase.MMS_FTS_TABLE_NAME))
{
count = exportTable(table, input, outputStream, null, null, count);
}
@ -111,14 +114,17 @@ public class FullBackupExporter extends FullBackupBase {
String type = cursor.getString(2);
if (sql != null) {
if ("table".equals(type)) {
outputStream.write(BackupProtos.SqlStatement.newBuilder().setStatement("DROP TABLE IF EXISTS " + name).build());
tables.add(name);
} else if ("index".equals(type)) {
outputStream.write(BackupProtos.SqlStatement.newBuilder().setStatement("DROP INDEX IF EXISTS " + name).build());
}
outputStream.write(BackupProtos.SqlStatement.newBuilder().setStatement(cursor.getString(0)).build());
boolean isSmsFtsSecretTable = name != null && !name.equals(SearchDatabase.SMS_FTS_TABLE_NAME) && name.startsWith(SearchDatabase.SMS_FTS_TABLE_NAME);
boolean isMmsFtsSecretTable = name != null && !name.equals(SearchDatabase.MMS_FTS_TABLE_NAME) && name.startsWith(SearchDatabase.MMS_FTS_TABLE_NAME);
if (!isSmsFtsSecretTable && !isMmsFtsSecretTable) {
if ("table".equals(type)) {
tables.add(name);
}
outputStream.write(BackupProtos.SqlStatement.newBuilder().setStatement(cursor.getString(0)).build());
}
}
}
}

11
src/org/thoughtcrime/securesms/backup/FullBackupImporter.java
View File

@ -7,6 +7,7 @@ import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.support.annotation.NonNull;
import android.util.Log;
import android.util.Pair;
import net.sqlcipher.database.SQLiteDatabase;
@ -21,6 +22,7 @@ import org.thoughtcrime.securesms.crypto.AttachmentSecret;
import org.thoughtcrime.securesms.crypto.ModernEncryptingPartOutputStream;
import org.thoughtcrime.securesms.database.Address;
import org.thoughtcrime.securesms.database.AttachmentDatabase;
import org.thoughtcrime.securesms.database.SearchDatabase;
import org.thoughtcrime.securesms.profiles.AvatarHelper;
import org.thoughtcrime.securesms.util.Conversions;
import org.thoughtcrime.securesms.util.Util;
@ -37,6 +39,7 @@ import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
@ -90,6 +93,14 @@ public class FullBackupImporter extends FullBackupBase {
}
private static void processStatement(@NonNull SQLiteDatabase db, SqlStatement statement) {
boolean isForSmsFtsSecretTable = statement.getStatement().contains(SearchDatabase.SMS_FTS_TABLE_NAME + "_");
boolean isForMmsFtsSecretTable = statement.getStatement().contains(SearchDatabase.MMS_FTS_TABLE_NAME + "_");
if (isForSmsFtsSecretTable || isForMmsFtsSecretTable) {
Log.i(TAG, "Ignoring import for statement: " + statement.getStatement());
return;
}
List<Object> parameters = new LinkedList<>();
for (SqlStatement.SqlParameter parameter : statement.getParametersList()) {