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Fix backup/import issue with expiring messages.

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There was an issue where we were backing up group receipts and attachments
that were for expiring messages (which are already excluded from the backup).

This commit excludes these items from the backup, and for backups made
before this change, this commit also deletes these invalid entries at
the end of the restore process.

We also do a little database migration to cleanup any bad state that may
have been imported in the past.
This commit is contained in:
Greyson Parrelli
2018-06-21 16:48:46 -07:00
parent 61b2da9c8a
commit 71a34dac5f
7 changed files with 82 additions and 6 deletions
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2
src/org/thoughtcrime/securesms/database/AttachmentDatabase.java
View File

@@ -76,7 +76,7 @@ public class AttachmentDatabase extends Database {
public static final String TABLE_NAME = "part";
public static final String ROW_ID = "_id";
static final String ATTACHMENT_JSON_ALIAS = "attachment_json";
static final String MMS_ID = "mid";
public static final String MMS_ID = "mid";
static final String CONTENT_TYPE = "ct";
static final String NAME = "name";
static final String CONTENT_DISPOSITION = "cd";

2
src/org/thoughtcrime/securesms/database/GroupReceiptDatabase.java
View File

@@ -18,7 +18,7 @@ public class GroupReceiptDatabase extends Database {
public static final String TABLE_NAME = "group_receipts";
private static final String ID = "_id";
private static final String MMS_ID = "mms_id";
public static final String MMS_ID = "mms_id";
private static final String ADDRESS = "address";
private static final String STATUS = "status";
private static final String TIMESTAMP = "timestamp";

2
src/org/thoughtcrime/securesms/database/ThreadDatabase.java
View File

@@ -55,7 +55,7 @@ public class ThreadDatabase extends Database {
private static final String TAG = ThreadDatabase.class.getSimpleName();
static final String TABLE_NAME = "thread";
public static final String TABLE_NAME = "thread";
public static final String ID = "_id";
public static final String DATE = "date";
public static final String MESSAGE_COUNT = "message_count";

29
src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java
View File

@@ -6,6 +6,7 @@ import android.content.Context;
import android.database.Cursor;
import android.os.SystemClock;
import android.support.annotation.NonNull;
import android.text.TextUtils;
import android.util.Log;
import net.sqlcipher.database.SQLiteDatabase;
@@ -48,8 +49,9 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
private static final int QUOTED_REPLIES = 7;
private static final int SHARED_CONTACTS = 8;
private static final int FULL_TEXT_SEARCH = 9;
private static final int BAD_IMPORT_CLEANUP = 10;
private static final int DATABASE_VERSION = 9;
private static final int DATABASE_VERSION = 10;
private static final String DATABASE_NAME = "signal.db";
private final Context context;
@@ -210,6 +212,31 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
Log.i(TAG, "Indexing finished. Total time: " + (mmsFinished - start) + " ms");
}
if (oldVersion < BAD_IMPORT_CLEANUP) {
String trimmedCondition = " NOT IN (SELECT _id FROM mms)";
db.delete("group_receipts", "mms_id" + trimmedCondition, null);
String[] columns = new String[] { "_id", "unique_id", "_data", "thumbnail"};
try (Cursor cursor = db.query("part", columns, "mid" + trimmedCondition, null, null, null, null)) {
while (cursor != null && cursor.moveToNext()) {
db.delete("part", "_id = ? AND unique_id = ?", new String[] { String.valueOf(cursor.getLong(0)), String.valueOf(cursor.getLong(1)) });
String data = cursor.getString(2);
String thumbnail = cursor.getString(3);
if (!TextUtils.isEmpty(data)) {
new File(data).delete();
}
if (!TextUtils.isEmpty(thumbnail)) {
new File(thumbnail).delete();
}
}
}
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();