171 lines
8.4 KiB
Java
171 lines
8.4 KiB
Java
package org.thoughtcrime.securesms.groups;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.WorkerThread;
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import com.google.protobuf.ByteString;
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import org.thoughtcrime.securesms.attachments.Attachment;
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import org.thoughtcrime.securesms.attachments.UriAttachment;
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import org.thoughtcrime.securesms.database.AttachmentDatabase;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.GroupDatabase;
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import org.thoughtcrime.securesms.database.ThreadDatabase;
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import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
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import org.thoughtcrime.securesms.groups.GroupManager.GroupActionResult;
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import org.thoughtcrime.securesms.jobs.LeaveGroupJob;
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import org.thoughtcrime.securesms.logging.Log;
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import org.thoughtcrime.securesms.mms.OutgoingGroupMediaMessage;
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import org.thoughtcrime.securesms.profiles.AvatarHelper;
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import org.thoughtcrime.securesms.providers.BlobProvider;
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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.thoughtcrime.securesms.recipients.RecipientUtil;
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import org.thoughtcrime.securesms.sms.MessageSender;
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import org.thoughtcrime.securesms.util.BitmapUtil;
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import org.thoughtcrime.securesms.util.GroupUtil;
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import org.thoughtcrime.securesms.util.MediaUtil;
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import org.whispersystems.libsignal.util.guava.Optional;
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import org.whispersystems.signalservice.api.util.InvalidNumberException;
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import org.whispersystems.signalservice.internal.push.SignalServiceProtos.GroupContext;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.security.SecureRandom;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Set;
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final class V1GroupManager {
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private static final String TAG = Log.tag(V1GroupManager.class);
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static @NonNull GroupActionResult createGroup(@NonNull Context context,
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@NonNull Set<RecipientId> memberIds,
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@Nullable Bitmap avatar,
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@Nullable String name,
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boolean mms)
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{
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final byte[] avatarBytes = BitmapUtil.toByteArray(avatar);
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final GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
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final SecureRandom secureRandom = new SecureRandom();
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final GroupId groupId = mms ? GroupId.createMms(secureRandom) : GroupId.createV1(secureRandom);
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final RecipientId groupRecipientId = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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final Recipient groupRecipient = Recipient.resolved(groupRecipientId);
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memberIds.add(Recipient.self().getId());
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if (groupId.isV1()) {
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GroupId.V1 groupIdV1 = groupId.requireV1();
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groupDatabase.create(groupIdV1, name, memberIds, null, null);
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try {
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AvatarHelper.setAvatar(context, groupRecipientId, avatarBytes != null ? new ByteArrayInputStream(avatarBytes) : null);
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} catch (IOException e) {
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Log.w(TAG, "Failed to save avatar!", e);
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}
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groupDatabase.onAvatarUpdated(groupIdV1, avatarBytes != null);
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DatabaseFactory.getRecipientDatabase(context).setProfileSharing(groupRecipient.getId(), true);
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return sendGroupUpdate(context, groupIdV1, memberIds, name, avatarBytes);
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} else {
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groupDatabase.create(groupId.requireMms(), memberIds);
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long threadId = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(groupRecipient, ThreadDatabase.DistributionTypes.CONVERSATION);
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return new GroupActionResult(groupRecipient, threadId);
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}
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}
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static GroupActionResult updateGroup(@NonNull Context context,
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@NonNull GroupId groupId,
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@NonNull Set<RecipientId> memberAddresses,
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@Nullable Bitmap avatar,
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@Nullable String name)
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throws InvalidNumberException
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{
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final GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
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final RecipientId groupRecipientId = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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final byte[] avatarBytes = BitmapUtil.toByteArray(avatar);
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memberAddresses.add(Recipient.self().getId());
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groupDatabase.updateMembers(groupId, new LinkedList<>(memberAddresses));
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if (groupId.isPush()) {
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GroupId.V1 groupIdV1 = groupId.requireV1();
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groupDatabase.updateTitle(groupIdV1, name);
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groupDatabase.onAvatarUpdated(groupIdV1, avatarBytes != null);
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try {
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AvatarHelper.setAvatar(context, groupRecipientId, avatarBytes != null ? new ByteArrayInputStream(avatarBytes) : null);
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} catch (IOException e) {
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Log.w(TAG, "Failed to save avatar!", e);
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}
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return sendGroupUpdate(context, groupIdV1, memberAddresses, name, avatarBytes);
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} else {
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Recipient groupRecipient = Recipient.resolved(groupRecipientId);
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long threadId = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(groupRecipient);
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return new GroupActionResult(groupRecipient, threadId);
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}
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}
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private static GroupActionResult sendGroupUpdate(@NonNull Context context,
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@NonNull GroupId.V1 groupId,
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@NonNull Set<RecipientId> members,
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@Nullable String groupName,
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@Nullable byte[] avatar)
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{
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Attachment avatarAttachment = null;
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RecipientId groupRecipientId = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient groupRecipient = Recipient.resolved(groupRecipientId);
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List<GroupContext.Member> uuidMembers = new LinkedList<>();
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List<String> e164Members = new LinkedList<>();
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for (RecipientId member : members) {
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Recipient recipient = Recipient.resolved(member);
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uuidMembers.add(GroupV1MessageProcessor.createMember(RecipientUtil.toSignalServiceAddress(context, recipient)));
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}
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GroupContext.Builder groupContextBuilder = GroupContext.newBuilder()
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.setId(ByteString.copyFrom(groupId.getDecodedId()))
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.setType(GroupContext.Type.UPDATE)
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.addAllMembersE164(e164Members)
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.addAllMembers(uuidMembers);
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if (groupName != null) groupContextBuilder.setName(groupName);
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GroupContext groupContext = groupContextBuilder.build();
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if (avatar != null) {
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Uri avatarUri = BlobProvider.getInstance().forData(avatar).createForSingleUseInMemory();
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avatarAttachment = new UriAttachment(avatarUri, MediaUtil.IMAGE_PNG, AttachmentDatabase.TRANSFER_PROGRESS_DONE, avatar.length, null, false, false, null, null, null, null);
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}
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OutgoingGroupMediaMessage outgoingMessage = new OutgoingGroupMediaMessage(groupRecipient, groupContext, avatarAttachment, System.currentTimeMillis(), 0, false, null, Collections.emptyList(), Collections.emptyList());
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long threadId = MessageSender.send(context, outgoingMessage, -1, false, null);
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return new GroupActionResult(groupRecipient, threadId);
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}
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@WorkerThread
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static boolean leaveGroup(@NonNull Context context, @NonNull GroupId.V1 groupId, @NonNull Recipient groupRecipient) {
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long threadId = DatabaseFactory.getThreadDatabase(context).getThreadIdFor(groupRecipient);
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Optional<OutgoingGroupMediaMessage> leaveMessage = GroupUtil.createGroupLeaveMessage(context, groupRecipient);
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if (threadId != -1 && leaveMessage.isPresent()) {
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ApplicationDependencies.getJobManager().add(LeaveGroupJob.create(groupRecipient));
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GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
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groupDatabase.setActive(groupId, false);
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groupDatabase.remove(groupId, Recipient.self().getId());
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return true;
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} else {
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return false;
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}
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}
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}
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