kopia lustrzana https://github.com/ryukoposting/Signal-Android
171 wiersze
6.3 KiB
Java
171 wiersze
6.3 KiB
Java
package org.thoughtcrime.securesms.database;
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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 androidx.annotation.NonNull;
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import org.signal.core.util.logging.Log;
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import org.signal.libsignal.protocol.SignalProtocolAddress;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientId;
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import org.signal.core.util.CursorUtil;
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import org.signal.core.util.SqlUtil;
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import org.whispersystems.signalservice.api.push.DistributionId;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Keeps track of which recipients are aware of which distributionIds. For the storage of sender
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* keys themselves, see {@link SenderKeyTable}.
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*/
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public class SenderKeySharedTable extends DatabaseTable {
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private static final String TAG = Log.tag(SenderKeySharedTable.class);
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public static final String TABLE_NAME = "sender_key_shared";
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private static final String ID = "_id";
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public static final String DISTRIBUTION_ID = "distribution_id";
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public static final String ADDRESS = "address";
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public static final String DEVICE = "device";
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public static final String TIMESTAMP = "timestamp";
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public static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
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DISTRIBUTION_ID + " TEXT NOT NULL, " +
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ADDRESS + " TEXT NOT NULL, " +
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DEVICE + " INTEGER NOT NULL, " +
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TIMESTAMP + " INTEGER DEFAULT 0, " +
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"UNIQUE(" + DISTRIBUTION_ID + "," + ADDRESS + ", " + DEVICE + ") ON CONFLICT REPLACE);";
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SenderKeySharedTable(Context context, SignalDatabase databaseHelper) {
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super(context, databaseHelper);
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}
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/**
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* Mark that a distributionId has been shared with the provided recipients
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*/
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public void markAsShared(@NonNull DistributionId distributionId, @NonNull Collection<SignalProtocolAddress> addresses) {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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db.beginTransaction();
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try {
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for (SignalProtocolAddress address : addresses) {
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ContentValues values = new ContentValues();
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values.put(ADDRESS, address.getName());
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values.put(DEVICE, address.getDeviceId());
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values.put(DISTRIBUTION_ID, distributionId.toString());
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values.put(TIMESTAMP, System.currentTimeMillis());
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db.insertWithOnConflict(TABLE_NAME, null, values, SQLiteDatabase.CONFLICT_REPLACE);
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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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}
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/**
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* Get the set of recipientIds that know about the distributionId in question.
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*/
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public @NonNull Set<SignalProtocolAddress> getSharedWith(@NonNull DistributionId distributionId) {
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SQLiteDatabase db = databaseHelper.getSignalReadableDatabase();
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String query = DISTRIBUTION_ID + " = ?";
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String[] args = SqlUtil.buildArgs(distributionId);
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Set<SignalProtocolAddress> addresses = new HashSet<>();
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try (Cursor cursor = db.query(TABLE_NAME, new String[]{ ADDRESS, DEVICE }, query, args, null, null, null)) {
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while (cursor.moveToNext()) {
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String address = CursorUtil.requireString(cursor, ADDRESS);
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int device = CursorUtil.requireInt(cursor, DEVICE);
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addresses.add(new SignalProtocolAddress(address, device));
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}
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}
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return addresses;
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}
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/**
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* Clear the shared statuses for all provided addresses.
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*/
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public void delete(@NonNull DistributionId distributionId, @NonNull Collection<SignalProtocolAddress> addresses) {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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String query = DISTRIBUTION_ID + " = ? AND " + ADDRESS + " = ? AND " + DEVICE + " = ?";
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db.beginTransaction();
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try {
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for (SignalProtocolAddress address : addresses) {
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db.delete(TABLE_NAME, query, SqlUtil.buildArgs(distributionId, address.getName(), address.getDeviceId()));
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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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}
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/**
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* Clear all shared statuses for a given distributionId.
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*/
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public void deleteAllFor(@NonNull DistributionId distributionId) {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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db.delete(TABLE_NAME, DISTRIBUTION_ID + " = ?", SqlUtil.buildArgs(distributionId));
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}
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/**
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* Clear the shared status for all distributionIds for a set of addresses.
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*/
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public void deleteAllFor(@NonNull Collection<SignalProtocolAddress> addresses) {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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String query = ADDRESS + " = ? AND " + DEVICE + " = ?";
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db.beginTransaction();
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try {
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for (SignalProtocolAddress address : addresses) {
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db.delete(TABLE_NAME, query, SqlUtil.buildArgs(address.getName(), address.getDeviceId()));
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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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}
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/**
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* Clear the shared status for all distributionIds for a given recipientId.
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*/
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public void deleteAllFor(@NonNull RecipientId recipientId) {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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Recipient recipient = Recipient.resolved(recipientId);
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if (recipient.hasServiceId()) {
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db.delete(TABLE_NAME, ADDRESS + " = ?", SqlUtil.buildArgs(recipient.requireServiceId().toString()));
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} else {
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Log.w(TAG, "Recipient doesn't have a UUID! " + recipientId);
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}
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}
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/**
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* Clears all database content.
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*/
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public void deleteAll() {
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SQLiteDatabase db = databaseHelper.getSignalWritableDatabase();
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db.delete(TABLE_NAME, null, null);
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}
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/**
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* Gets the shared state of all of our sender keys. Used for debugging.
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*/
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public Cursor getAllSharedWithCursor() {
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SQLiteDatabase db = databaseHelper.getSignalReadableDatabase();
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return db.query(TABLE_NAME, null, null, null, null, null, DISTRIBUTION_ID + ", " + ADDRESS + ", " + DEVICE);
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}
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}
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