492 lines
18 KiB
Java
492 lines
18 KiB
Java
package org.thoughtcrime.securesms.database;
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import android.annotation.SuppressLint;
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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 android.graphics.Bitmap;
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import android.text.TextUtils;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.annimon.stream.Stream;
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import net.sqlcipher.database.SQLiteDatabase;
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import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
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import org.thoughtcrime.securesms.groups.GroupId;
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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.util.BitmapUtil;
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import org.thoughtcrime.securesms.util.Util;
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import org.whispersystems.libsignal.util.guava.Optional;
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import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
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import java.io.Closeable;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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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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public class GroupDatabase extends Database {
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@SuppressWarnings("unused")
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private static final String TAG = GroupDatabase.class.getSimpleName();
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static final String TABLE_NAME = "groups";
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private static final String ID = "_id";
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static final String GROUP_ID = "group_id";
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static final String RECIPIENT_ID = "recipient_id";
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private static final String TITLE = "title";
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private static final String MEMBERS = "members";
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private static final String AVATAR = "avatar";
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private static final String AVATAR_ID = "avatar_id";
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private static final String AVATAR_KEY = "avatar_key";
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private static final String AVATAR_CONTENT_TYPE = "avatar_content_type";
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private static final String AVATAR_RELAY = "avatar_relay";
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private static final String AVATAR_DIGEST = "avatar_digest";
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private static final String TIMESTAMP = "timestamp";
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static final String ACTIVE = "active";
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static final String MMS = "mms";
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public static final String CREATE_TABLE =
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"CREATE TABLE " + TABLE_NAME +
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" (" + ID + " INTEGER PRIMARY KEY, " +
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GROUP_ID + " TEXT, " +
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RECIPIENT_ID + " INTEGER, " +
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TITLE + " TEXT, " +
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MEMBERS + " TEXT, " +
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AVATAR + " BLOB, " +
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AVATAR_ID + " INTEGER, " +
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AVATAR_KEY + " BLOB, " +
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AVATAR_CONTENT_TYPE + " TEXT, " +
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AVATAR_RELAY + " TEXT, " +
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TIMESTAMP + " INTEGER, " +
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ACTIVE + " INTEGER DEFAULT 1, " +
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AVATAR_DIGEST + " BLOB, " +
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MMS + " INTEGER DEFAULT 0);";
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public static final String[] CREATE_INDEXS = {
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"CREATE UNIQUE INDEX IF NOT EXISTS group_id_index ON " + TABLE_NAME + " (" + GROUP_ID + ");",
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"CREATE UNIQUE INDEX IF NOT EXISTS group_recipient_id_index ON " + TABLE_NAME + " (" + RECIPIENT_ID + ");",
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};
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private static final String[] GROUP_PROJECTION = {
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GROUP_ID, RECIPIENT_ID, TITLE, MEMBERS, AVATAR, AVATAR_ID, AVATAR_KEY, AVATAR_CONTENT_TYPE, AVATAR_RELAY, AVATAR_DIGEST,
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TIMESTAMP, ACTIVE, MMS
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};
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static final List<String> TYPED_GROUP_PROJECTION = Stream.of(GROUP_PROJECTION).map(columnName -> TABLE_NAME + "." + columnName).toList();
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public GroupDatabase(Context context, SQLCipherOpenHelper databaseHelper) {
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super(context, databaseHelper);
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}
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public Optional<GroupRecord> getGroup(RecipientId recipientId) {
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try (Cursor cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, null, RECIPIENT_ID + " = ?", new String[] {recipientId.serialize()}, null, null, null)) {
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if (cursor != null && cursor.moveToNext()) {
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return getGroup(cursor);
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}
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return Optional.absent();
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}
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}
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public Optional<GroupRecord> getGroup(@NonNull GroupId groupId) {
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try (Cursor cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, null, GROUP_ID + " = ?",
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new String[] {groupId.toString()},
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null, null, null))
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{
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if (cursor != null && cursor.moveToNext()) {
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return getGroup(cursor);
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}
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return Optional.absent();
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}
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}
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Optional<GroupRecord> getGroup(Cursor cursor) {
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Reader reader = new Reader(cursor);
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return Optional.fromNullable(reader.getCurrent());
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}
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public boolean isUnknownGroup(@NonNull GroupId groupId) {
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Optional<GroupRecord> group = getGroup(groupId);
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if (!group.isPresent()) {
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return true;
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}
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boolean noMetadata = group.get().getAvatar() == null && TextUtils.isEmpty(group.get().getTitle());
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boolean noMembers = group.get().getMembers().isEmpty() || (group.get().getMembers().size() == 1 && group.get().getMembers().contains(Recipient.self().getId()));
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return noMetadata && noMembers;
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}
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public Reader getGroupsFilteredByTitle(String constraint, boolean includeInactive) {
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String query;
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String[] queryArgs;
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if (includeInactive) {
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query = TITLE + " LIKE ? AND (" + ACTIVE + " = ? OR " + RECIPIENT_ID + " IN (SELECT " + ThreadDatabase.RECIPIENT_ID + " FROM " + ThreadDatabase.TABLE_NAME + "))";
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queryArgs = new String[]{"%" + constraint + "%", "1"};
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} else {
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query = TITLE + " LIKE ? AND " + ACTIVE + " = ?";
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queryArgs = new String[]{"%" + constraint + "%", "1"};
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}
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Cursor cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, null, query, queryArgs, null, null, TITLE + " COLLATE NOCASE ASC");
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return new Reader(cursor);
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}
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public GroupId getOrCreateGroupForMembers(List<RecipientId> members, boolean mms) {
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Collections.sort(members);
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Cursor cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, new String[] {GROUP_ID},
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MEMBERS + " = ? AND " + MMS + " = ?",
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new String[] {RecipientId.toSerializedList(members), mms ? "1" : "0"},
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null, null, null);
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try {
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if (cursor != null && cursor.moveToNext()) {
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return GroupId.parse(cursor.getString(cursor.getColumnIndexOrThrow(GROUP_ID)));
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} else {
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GroupId groupId = allocateGroupId(mms);
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create(groupId, null, members, null, null);
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return groupId;
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}
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} finally {
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if (cursor != null) cursor.close();
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}
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}
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public List<String> getGroupNamesContainingMember(RecipientId recipientId) {
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return Stream.of(getGroupsContainingMember(recipientId))
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.map(GroupRecord::getTitle)
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.toList();
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}
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public List<GroupRecord> getGroupsContainingMember(RecipientId recipientId) {
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SQLiteDatabase database = databaseHelper.getReadableDatabase();
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String table = TABLE_NAME + " INNER JOIN " + ThreadDatabase.TABLE_NAME + " ON " + TABLE_NAME + "." + RECIPIENT_ID + " = " + ThreadDatabase.TABLE_NAME + "." + ThreadDatabase.RECIPIENT_ID;
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String query = MEMBERS + " LIKE ?";
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String[] args = new String[]{"%" + recipientId.serialize() + "%"};
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String orderBy = ThreadDatabase.TABLE_NAME + "." + ThreadDatabase.DATE + " DESC";
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List<GroupRecord> groups = new LinkedList<>();
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try (Cursor cursor = database.query(table, null, query, args, null, null, orderBy)) {
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while (cursor != null && cursor.moveToNext()) {
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List<String> members = Util.split(cursor.getString(cursor.getColumnIndexOrThrow(MEMBERS)), ",");
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if (members.contains(recipientId.serialize())) {
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groups.add(new Reader(cursor).getCurrent());
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}
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}
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}
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return groups;
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}
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public Reader getGroups() {
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@SuppressLint("Recycle")
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Cursor cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, null, null, null, null, null, null);
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return new Reader(cursor);
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}
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public @NonNull List<Recipient> getGroupMembers(@NonNull GroupId groupId, boolean includeSelf) {
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List<RecipientId> members = getCurrentMembers(groupId);
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List<Recipient> recipients = new LinkedList<>();
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for (RecipientId member : members) {
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if (!includeSelf && Recipient.resolved(member).isLocalNumber()) {
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continue;
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}
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recipients.add(Recipient.resolved(member));
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}
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return recipients;
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}
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public void create(@NonNull GroupId groupId, @Nullable String title, @NonNull List<RecipientId> members,
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@Nullable SignalServiceAttachmentPointer avatar, @Nullable String relay)
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{
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Collections.sort(members);
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ContentValues contentValues = new ContentValues();
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contentValues.put(RECIPIENT_ID, DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId).serialize());
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contentValues.put(GROUP_ID, groupId.toString());
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contentValues.put(TITLE, title);
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contentValues.put(MEMBERS, RecipientId.toSerializedList(members));
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if (avatar != null) {
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contentValues.put(AVATAR_ID, avatar.getId());
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contentValues.put(AVATAR_KEY, avatar.getKey());
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contentValues.put(AVATAR_CONTENT_TYPE, avatar.getContentType());
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contentValues.put(AVATAR_DIGEST, avatar.getDigest().orNull());
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}
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contentValues.put(AVATAR_RELAY, relay);
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contentValues.put(TIMESTAMP, System.currentTimeMillis());
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contentValues.put(ACTIVE, 1);
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contentValues.put(MMS, groupId.isMmsGroup());
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databaseHelper.getWritableDatabase().insert(TABLE_NAME, null, contentValues);
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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notifyConversationListListeners();
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}
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public void update(@NonNull GroupId groupId, String title, SignalServiceAttachmentPointer avatar) {
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ContentValues contentValues = new ContentValues();
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if (title != null) contentValues.put(TITLE, title);
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if (avatar != null) {
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contentValues.put(AVATAR_ID, avatar.getId());
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contentValues.put(AVATAR_CONTENT_TYPE, avatar.getContentType());
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contentValues.put(AVATAR_KEY, avatar.getKey());
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contentValues.put(AVATAR_DIGEST, avatar.getDigest().orNull());
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}
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databaseHelper.getWritableDatabase().update(TABLE_NAME, contentValues,
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GROUP_ID + " = ?",
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new String[] {groupId.toString()});
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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notifyConversationListListeners();
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}
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public void updateTitle(@NonNull GroupId groupId, String title) {
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ContentValues contentValues = new ContentValues();
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contentValues.put(TITLE, title);
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databaseHelper.getWritableDatabase().update(TABLE_NAME, contentValues, GROUP_ID + " = ?",
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new String[] {groupId.toString()});
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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}
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public void updateAvatar(@NonNull GroupId groupId, @Nullable Bitmap avatar) {
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updateAvatar(groupId, BitmapUtil.toByteArray(avatar));
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}
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public void updateAvatar(@NonNull GroupId groupId, @Nullable byte[] avatar) {
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long avatarId;
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if (avatar != null) avatarId = Math.abs(new SecureRandom().nextLong());
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else avatarId = 0;
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ContentValues contentValues = new ContentValues(2);
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contentValues.put(AVATAR, avatar);
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contentValues.put(AVATAR_ID, avatarId);
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databaseHelper.getWritableDatabase().update(TABLE_NAME, contentValues, GROUP_ID + " = ?",
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new String[] {groupId.toString()});
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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}
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public void updateMembers(@NonNull GroupId groupId, List<RecipientId> members) {
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Collections.sort(members);
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ContentValues contents = new ContentValues();
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contents.put(MEMBERS, RecipientId.toSerializedList(members));
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contents.put(ACTIVE, 1);
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databaseHelper.getWritableDatabase().update(TABLE_NAME, contents, GROUP_ID + " = ?",
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new String[] {groupId.toString()});
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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}
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public void remove(@NonNull GroupId groupId, RecipientId source) {
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List<RecipientId> currentMembers = getCurrentMembers(groupId);
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currentMembers.remove(source);
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ContentValues contents = new ContentValues();
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contents.put(MEMBERS, RecipientId.toSerializedList(currentMembers));
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databaseHelper.getWritableDatabase().update(TABLE_NAME, contents, GROUP_ID + " = ?",
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new String[] {groupId.toString()});
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RecipientId groupRecipient = DatabaseFactory.getRecipientDatabase(context).getOrInsertFromGroupId(groupId);
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Recipient.live(groupRecipient).refresh();
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}
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private List<RecipientId> getCurrentMembers(@NonNull GroupId groupId) {
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Cursor cursor = null;
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try {
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cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, new String[] {MEMBERS},
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GROUP_ID + " = ?",
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new String[] {groupId.toString()},
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null, null, null);
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if (cursor != null && cursor.moveToFirst()) {
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String serializedMembers = cursor.getString(cursor.getColumnIndexOrThrow(MEMBERS));
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return RecipientId.fromSerializedList(serializedMembers);
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}
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return new LinkedList<>();
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} finally {
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if (cursor != null)
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cursor.close();
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}
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}
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public boolean isActive(@NonNull GroupId groupId) {
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Optional<GroupRecord> record = getGroup(groupId);
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return record.isPresent() && record.get().isActive();
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}
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public void setActive(@NonNull GroupId groupId, boolean active) {
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SQLiteDatabase database = databaseHelper.getWritableDatabase();
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ContentValues values = new ContentValues();
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values.put(ACTIVE, active ? 1 : 0);
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database.update(TABLE_NAME, values, GROUP_ID + " = ?", new String[] {groupId.toString()});
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}
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public static GroupId allocateGroupId(boolean mms) {
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byte[] groupId = new byte[16];
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new SecureRandom().nextBytes(groupId);
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return mms ? GroupId.mms(groupId) : GroupId.v1(groupId);
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}
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public static class Reader implements Closeable {
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private final Cursor cursor;
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public Reader(Cursor cursor) {
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this.cursor = cursor;
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}
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public @Nullable GroupRecord getNext() {
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if (cursor == null || !cursor.moveToNext()) {
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return null;
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}
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return getCurrent();
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}
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public @Nullable GroupRecord getCurrent() {
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if (cursor == null || cursor.getString(cursor.getColumnIndexOrThrow(GROUP_ID)) == null) {
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return null;
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}
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return new GroupRecord(GroupId.parse(cursor.getString(cursor.getColumnIndexOrThrow(GROUP_ID))),
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RecipientId.from(cursor.getLong(cursor.getColumnIndexOrThrow(RECIPIENT_ID))),
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cursor.getString(cursor.getColumnIndexOrThrow(TITLE)),
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cursor.getString(cursor.getColumnIndexOrThrow(MEMBERS)),
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cursor.getBlob(cursor.getColumnIndexOrThrow(AVATAR)),
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cursor.getLong(cursor.getColumnIndexOrThrow(AVATAR_ID)),
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cursor.getBlob(cursor.getColumnIndexOrThrow(AVATAR_KEY)),
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cursor.getString(cursor.getColumnIndexOrThrow(AVATAR_CONTENT_TYPE)),
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cursor.getString(cursor.getColumnIndexOrThrow(AVATAR_RELAY)),
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cursor.getInt(cursor.getColumnIndexOrThrow(ACTIVE)) == 1,
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cursor.getBlob(cursor.getColumnIndexOrThrow(AVATAR_DIGEST)),
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cursor.getInt(cursor.getColumnIndexOrThrow(MMS)) == 1);
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}
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@Override
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public void close() {
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if (this.cursor != null)
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this.cursor.close();
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}
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}
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public static class GroupRecord {
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private final GroupId id;
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private final RecipientId recipientId;
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private final String title;
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private final List<RecipientId> members;
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private final byte[] avatar;
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private final long avatarId;
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private final byte[] avatarKey;
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private final byte[] avatarDigest;
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private final String avatarContentType;
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private final String relay;
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private final boolean active;
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private final boolean mms;
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public GroupRecord(@NonNull GroupId id, @NonNull RecipientId recipientId, String title, String members, byte[] avatar,
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long avatarId, byte[] avatarKey, String avatarContentType,
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String relay, boolean active, byte[] avatarDigest, boolean mms)
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{
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this.id = id;
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this.recipientId = recipientId;
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this.title = title;
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this.avatar = avatar;
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this.avatarId = avatarId;
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this.avatarKey = avatarKey;
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this.avatarDigest = avatarDigest;
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this.avatarContentType = avatarContentType;
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this.relay = relay;
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this.active = active;
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this.mms = mms;
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if (!TextUtils.isEmpty(members)) this.members = RecipientId.fromSerializedList(members);
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else this.members = new LinkedList<>();
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}
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public GroupId getId() {
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return id;
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}
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public @NonNull RecipientId getRecipientId() {
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return recipientId;
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}
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public String getTitle() {
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return title;
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}
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public List<RecipientId> getMembers() {
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return members;
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}
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public byte[] getAvatar() {
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return avatar;
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}
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public long getAvatarId() {
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return avatarId;
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}
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public byte[] getAvatarKey() {
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return avatarKey;
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}
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public byte[] getAvatarDigest() {
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return avatarDigest;
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}
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public String getAvatarContentType() {
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return avatarContentType;
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}
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public String getRelay() {
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return relay;
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}
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public boolean isActive() {
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return active;
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}
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public boolean isMms() {
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return mms;
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}
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}
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}
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