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Ryan ZHAO
2021-03-12 14:52:59 +11:00
parent 6659b7a53e
commit d7e525d828
13 changed files with 5 additions and 460 deletions
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88
app/src/main/java/org/thoughtcrime/securesms/crypto/UnidentifiedAccessUtil.java
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@@ -1,88 +0,0 @@
package org.thoughtcrime.securesms.crypto;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import org.session.libsession.utilities.preferences.ProfileKeyUtil;
import org.session.libsignal.metadata.SignalProtos;
import org.session.libsignal.utilities.logging.Log;
import org.session.libsession.messaging.threads.recipients.Recipient;
import org.session.libsession.utilities.TextSecurePreferences;
import org.session.libsession.utilities.Util;
import org.session.libsignal.libsignal.util.guava.Optional;
import org.session.libsignal.service.api.crypto.UnidentifiedAccess;
import org.session.libsignal.service.api.push.SignalServiceAddress;
public class UnidentifiedAccessUtil {
private static final String TAG = UnidentifiedAccessUtil.class.getSimpleName();
@WorkerThread
public static Optional<UnidentifiedAccess> getAccessFor(@NonNull Context context,
@NonNull Recipient recipient)
{
byte[] theirUnidentifiedAccessKey = getTargetUnidentifiedAccessKey(recipient);
byte[] ourUnidentifiedAccessKey = getSelfUnidentifiedAccessKey(context);
byte[] ourUnidentifiedAccessCertificate = getUnidentifiedAccessCertificate(context);
if (TextSecurePreferences.isUniversalUnidentifiedAccess(context)) {
ourUnidentifiedAccessKey = Util.getSecretBytes(16);
}
Log.i(TAG, "Their access key present? " + (theirUnidentifiedAccessKey != null) +
" | Our access key present? " + (ourUnidentifiedAccessKey != null) +
" | Our certificate present? " + (ourUnidentifiedAccessCertificate != null));
if (theirUnidentifiedAccessKey != null &&
ourUnidentifiedAccessKey != null &&
ourUnidentifiedAccessCertificate != null)
{
return Optional.of(new UnidentifiedAccess(theirUnidentifiedAccessKey));
}
return Optional.absent();
}
public static Optional<UnidentifiedAccess> getAccessForSync(@NonNull Context context) {
byte[] ourUnidentifiedAccessKey = getSelfUnidentifiedAccessKey(context);
byte[] ourUnidentifiedAccessCertificate = getUnidentifiedAccessCertificate(context);
if (TextSecurePreferences.isUniversalUnidentifiedAccess(context)) {
ourUnidentifiedAccessKey = Util.getSecretBytes(16);
}
if (ourUnidentifiedAccessKey != null && ourUnidentifiedAccessCertificate != null) {
return Optional.of(new UnidentifiedAccess(ourUnidentifiedAccessKey));
}
return Optional.absent();
}
public static @NonNull byte[] getSelfUnidentifiedAccessKey(@NonNull Context context) {
return UnidentifiedAccess.deriveAccessKeyFrom(ProfileKeyUtil.getProfileKey(context));
}
private static @Nullable byte[] getTargetUnidentifiedAccessKey(@NonNull Recipient recipient) {
byte[] theirProfileKey = recipient.resolve().getProfileKey();
if (theirProfileKey == null) return Util.getSecretBytes(16);
else return UnidentifiedAccess.deriveAccessKeyFrom(theirProfileKey);
}
private static @Nullable byte[] getUnidentifiedAccessCertificate(Context context) {
String ourNumber = TextSecurePreferences.getLocalNumber(context);
if (ourNumber != null) {
SignalProtos.SenderCertificate certificate = SignalProtos.SenderCertificate.newBuilder()
.setSender(ourNumber)
.setSenderDevice(SignalServiceAddress.DEFAULT_DEVICE_ID)
.build();
return certificate.toByteArray();
}
return null;
}
}

3
app/src/main/java/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt
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@@ -14,6 +14,7 @@ import kotlinx.android.synthetic.main.activity_create_closed_group.*
import network.loki.messenger.R
import nl.komponents.kovenant.ui.successUi
import org.session.libsession.messaging.sending_receiving.MessageSender
import org.session.libsession.messaging.sending_receiving.groupSizeLimit
import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
import org.thoughtcrime.securesms.conversation.ConversationActivity
import org.session.libsession.messaging.threads.Address
@@ -103,7 +104,7 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
if (selectedMembers.count() < 1) {
return Toast.makeText(this, R.string.activity_create_closed_group_not_enough_group_members_error, Toast.LENGTH_LONG).show()
}
if (selectedMembers.count() >= MessageSender.groupSizeLimit) { // Minus one because we're going to include self later
if (selectedMembers.count() >= groupSizeLimit) { // Minus one because we're going to include self later
return Toast.makeText(this, R.string.activity_create_closed_group_too_many_group_members_error, Toast.LENGTH_LONG).show()
}
val userPublicKey = TextSecurePreferences.getLocalNumber(this)!!

4
app/src/main/java/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt
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@@ -20,10 +20,10 @@ import nl.komponents.kovenant.task
import nl.komponents.kovenant.ui.failUi
import nl.komponents.kovenant.ui.successUi
import org.session.libsession.messaging.sending_receiving.MessageSender
import org.session.libsession.messaging.sending_receiving.groupSizeLimit
import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
import org.session.libsession.messaging.threads.Address
import org.thoughtcrime.securesms.database.DatabaseFactory
import org.thoughtcrime.securesms.groups.GroupManager
import org.thoughtcrime.securesms.loki.dialogs.ClosedGroupEditingOptionsBottomSheet
import org.thoughtcrime.securesms.loki.utilities.fadeIn
import org.thoughtcrime.securesms.loki.utilities.fadeOut
@@ -260,7 +260,7 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity() {
return Toast.makeText(this, R.string.activity_edit_closed_group_not_enough_group_members_error, Toast.LENGTH_LONG).show()
}
val maxGroupMembers = if (isClosedGroup) MessageSender.groupSizeLimit else legacyGroupSizeLimit
val maxGroupMembers = if (isClosedGroup) groupSizeLimit else legacyGroupSizeLimit
if (members.size >= maxGroupMembers) {
return Toast.makeText(this, R.string.activity_create_closed_group_too_many_group_members_error, Toast.LENGTH_LONG).show()
}