session-android/src/org/thoughtcrime/securesms/util/IdentityUtil.java
2020-08-19 10:06:26 +10:00

253 lines
12 KiB
Java

package org.thoughtcrime.securesms.util;
import android.content.Context;
import android.os.AsyncTask;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
import org.thoughtcrime.securesms.ApplicationContext;
import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
import org.thoughtcrime.securesms.crypto.storage.TextSecureSessionStore;
import org.thoughtcrime.securesms.database.Address;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.GroupDatabase;
import org.thoughtcrime.securesms.database.IdentityDatabase;
import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
import org.thoughtcrime.securesms.database.MessagingDatabase.InsertResult;
import org.thoughtcrime.securesms.database.SmsDatabase;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.sms.IncomingIdentityDefaultMessage;
import org.thoughtcrime.securesms.sms.IncomingIdentityUpdateMessage;
import org.thoughtcrime.securesms.sms.IncomingIdentityVerifiedMessage;
import org.thoughtcrime.securesms.sms.IncomingTextMessage;
import org.thoughtcrime.securesms.sms.OutgoingIdentityDefaultMessage;
import org.thoughtcrime.securesms.sms.OutgoingIdentityVerifiedMessage;
import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
import org.thoughtcrime.securesms.util.concurrent.SettableFuture;
import org.whispersystems.libsignal.IdentityKey;
import org.whispersystems.libsignal.SignalProtocolAddress;
import org.whispersystems.libsignal.state.IdentityKeyStore;
import org.whispersystems.libsignal.state.SessionRecord;
import org.whispersystems.libsignal.state.SessionStore;
import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
import java.util.List;
import network.loki.messenger.R;
import static org.whispersystems.libsignal.SessionCipher.SESSION_LOCK;
public class IdentityUtil {
private static final String TAG = IdentityUtil.class.getSimpleName();
public static ListenableFuture<Optional<IdentityRecord>> getRemoteIdentityKey(final Context context, final Recipient recipient) {
final SettableFuture<Optional<IdentityRecord>> future = new SettableFuture<>();
new AsyncTask<Recipient, Void, Optional<IdentityRecord>>() {
@Override
protected Optional<IdentityRecord> doInBackground(Recipient... recipient) {
return DatabaseFactory.getIdentityDatabase(context)
.getIdentity(recipient[0].getAddress());
}
@Override
protected void onPostExecute(Optional<IdentityRecord> result) {
future.set(result);
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipient);
return future;
}
public static void markIdentityVerified(Context context, Recipient recipient, boolean verified, boolean remote)
{
long time = System.currentTimeMillis();
SmsDatabase smsDatabase = DatabaseFactory.getSmsDatabase(context);
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
GroupDatabase.Reader reader = groupDatabase.getGroups();
GroupDatabase.GroupRecord groupRecord;
while ((groupRecord = reader.getNext()) != null) {
if (groupRecord.isRSSFeed() || groupRecord.isOpenGroup()) { continue; }
if (groupRecord.getMembers().contains(recipient.getAddress()) && groupRecord.isActive() && !groupRecord.isMms()) {
SignalServiceGroup group = new SignalServiceGroup(groupRecord.getId(), SignalServiceGroup.GroupType.SIGNAL);
if (remote) {
IncomingTextMessage incoming = new IncomingTextMessage(recipient.getAddress(), 1, time, null, Optional.of(group), 0, false);
if (verified) incoming = new IncomingIdentityVerifiedMessage(incoming);
else incoming = new IncomingIdentityDefaultMessage(incoming);
smsDatabase.insertMessageInbox(incoming);
} else {
Recipient groupRecipient = Recipient.from(context, Address.fromSerialized(GroupUtil.getEncodedId(group.getGroupId(), false)), true);
long threadId = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(groupRecipient);
OutgoingTextMessage outgoing ;
if (verified) outgoing = new OutgoingIdentityVerifiedMessage(recipient);
else outgoing = new OutgoingIdentityDefaultMessage(recipient);
DatabaseFactory.getSmsDatabase(context).insertMessageOutbox(threadId, outgoing, false, time, null);
}
}
}
if (remote) {
IncomingTextMessage incoming = new IncomingTextMessage(recipient.getAddress(), 1, time, null, Optional.absent(), 0, false);
if (verified) incoming = new IncomingIdentityVerifiedMessage(incoming);
else incoming = new IncomingIdentityDefaultMessage(incoming);
smsDatabase.insertMessageInbox(incoming);
} else {
OutgoingTextMessage outgoing;
if (verified) outgoing = new OutgoingIdentityVerifiedMessage(recipient);
else outgoing = new OutgoingIdentityDefaultMessage(recipient);
long threadId = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(recipient);
Log.i(TAG, "Inserting verified outbox...");
DatabaseFactory.getSmsDatabase(context).insertMessageOutbox(threadId, outgoing, false, time, null);
}
}
public static void markIdentityUpdate(Context context, Recipient recipient) {
long time = System.currentTimeMillis();
SmsDatabase smsDatabase = DatabaseFactory.getSmsDatabase(context);
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
GroupDatabase.Reader reader = groupDatabase.getGroups();
GroupDatabase.GroupRecord groupRecord;
while ((groupRecord = reader.getNext()) != null) {
if (groupRecord.isRSSFeed() || groupRecord.isOpenGroup()) { continue; }
if (groupRecord.getMembers().contains(recipient.getAddress()) && groupRecord.isActive()) {
SignalServiceGroup group = new SignalServiceGroup(groupRecord.getId(), SignalServiceGroup.GroupType.SIGNAL);
IncomingTextMessage incoming = new IncomingTextMessage(recipient.getAddress(), 1, time, null, Optional.of(group), 0, false);
IncomingIdentityUpdateMessage groupUpdate = new IncomingIdentityUpdateMessage(incoming);
smsDatabase.insertMessageInbox(groupUpdate);
}
}
IncomingTextMessage incoming = new IncomingTextMessage(recipient.getAddress(), 1, time, null, Optional.absent(), 0, false);
IncomingIdentityUpdateMessage individualUpdate = new IncomingIdentityUpdateMessage(incoming);
Optional<InsertResult> insertResult = smsDatabase.insertMessageInbox(individualUpdate);
if (insertResult.isPresent()) {
ApplicationContext.getInstance(context).messageNotifier.updateNotification(context, insertResult.get().getThreadId());
}
}
public static void saveIdentity(Context context, String number, IdentityKey identityKey) {
synchronized (SESSION_LOCK) {
IdentityKeyStore identityKeyStore = new TextSecureIdentityKeyStore(context);
SessionStore sessionStore = new TextSecureSessionStore(context);
SignalProtocolAddress address = new SignalProtocolAddress(number, 1);
if (identityKeyStore.saveIdentity(address, identityKey)) {
if (sessionStore.containsSession(address)) {
SessionRecord sessionRecord = sessionStore.loadSession(address);
sessionRecord.archiveCurrentState();
sessionStore.storeSession(address, sessionRecord);
}
}
}
}
public static void processVerifiedMessage(Context context, VerifiedMessage verifiedMessage) {
synchronized (SESSION_LOCK) {
IdentityDatabase identityDatabase = DatabaseFactory.getIdentityDatabase(context);
Recipient recipient = Recipient.from(context, Address.fromExternal(context, verifiedMessage.getDestination()), true);
Optional<IdentityRecord> identityRecord = identityDatabase.getIdentity(recipient.getAddress());
if (!identityRecord.isPresent() && verifiedMessage.getVerified() == VerifiedMessage.VerifiedState.DEFAULT) {
Log.w(TAG, "No existing record for default status");
return;
}
if (verifiedMessage.getVerified() == VerifiedMessage.VerifiedState.DEFAULT &&
identityRecord.isPresent() &&
identityRecord.get().getIdentityKey().equals(verifiedMessage.getIdentityKey()) &&
identityRecord.get().getVerifiedStatus() != IdentityDatabase.VerifiedStatus.DEFAULT)
{
identityDatabase.setVerified(recipient.getAddress(), identityRecord.get().getIdentityKey(), IdentityDatabase.VerifiedStatus.DEFAULT);
markIdentityVerified(context, recipient, false, true);
}
if (verifiedMessage.getVerified() == VerifiedMessage.VerifiedState.VERIFIED &&
(!identityRecord.isPresent() ||
(identityRecord.isPresent() && !identityRecord.get().getIdentityKey().equals(verifiedMessage.getIdentityKey())) ||
(identityRecord.isPresent() && identityRecord.get().getVerifiedStatus() != IdentityDatabase.VerifiedStatus.VERIFIED)))
{
saveIdentity(context, verifiedMessage.getDestination(), verifiedMessage.getIdentityKey());
identityDatabase.setVerified(recipient.getAddress(), verifiedMessage.getIdentityKey(), IdentityDatabase.VerifiedStatus.VERIFIED);
markIdentityVerified(context, recipient, true, true);
}
}
}
public static @Nullable String getUnverifiedBannerDescription(@NonNull Context context,
@NonNull List<Recipient> unverified)
{
return getPluralizedIdentityDescription(context, unverified,
R.string.IdentityUtil_unverified_banner_one,
R.string.IdentityUtil_unverified_banner_two,
R.string.IdentityUtil_unverified_banner_many);
}
public static @Nullable String getUnverifiedSendDialogDescription(@NonNull Context context,
@NonNull List<Recipient> unverified)
{
return getPluralizedIdentityDescription(context, unverified,
R.string.IdentityUtil_unverified_dialog_one,
R.string.IdentityUtil_unverified_dialog_two,
R.string.IdentityUtil_unverified_dialog_many);
}
public static @Nullable String getUntrustedSendDialogDescription(@NonNull Context context,
@NonNull List<Recipient> untrusted)
{
return getPluralizedIdentityDescription(context, untrusted,
R.string.IdentityUtil_untrusted_dialog_one,
R.string.IdentityUtil_untrusted_dialog_two,
R.string.IdentityUtil_untrusted_dialog_many);
}
private static @Nullable String getPluralizedIdentityDescription(@NonNull Context context,
@NonNull List<Recipient> recipients,
@StringRes int resourceOne,
@StringRes int resourceTwo,
@StringRes int resourceMany)
{
if (recipients.isEmpty()) return null;
if (recipients.size() == 1) {
String name = recipients.get(0).toShortString();
return context.getString(resourceOne, name);
} else {
String firstName = recipients.get(0).toShortString();
String secondName = recipients.get(1).toShortString();
if (recipients.size() == 2) {
return context.getString(resourceTwo, firstName, secondName);
} else {
int othersCount = recipients.size() - 2;
String nMore = context.getResources().getQuantityString(R.plurals.identity_others, othersCount, othersCount);
return context.getString(resourceMany, firstName, secondName, nMore);
}
}
}
}