2015-09-24 22:52:02 +02:00
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/*
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2019-01-23 18:03:33 +01:00
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* This is the source code of Telegram for Android v. 5.x.x.
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2015-09-24 22:52:02 +02:00
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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2019-01-23 18:03:33 +01:00
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* Copyright Nikolai Kudashov, 2013-2018.
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2015-09-24 22:52:02 +02:00
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*/
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package org.telegram.messenger;
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import org.telegram.tgnet.TLRPC;
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public class ChatObject {
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public static final int CHAT_TYPE_CHAT = 0;
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public static final int CHAT_TYPE_CHANNEL = 2;
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public static final int CHAT_TYPE_USER = 3;
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2015-11-26 22:04:02 +01:00
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public static final int CHAT_TYPE_MEGAGROUP = 4;
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2015-09-24 22:52:02 +02:00
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2019-01-23 18:03:33 +01:00
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public static final int ACTION_PIN = 0;
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public static final int ACTION_CHANGE_INFO = 1;
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public static final int ACTION_BLOCK_USERS = 2;
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public static final int ACTION_INVITE = 3;
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public static final int ACTION_ADD_ADMINS = 4;
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public static final int ACTION_POST = 5;
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public static final int ACTION_SEND = 6;
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public static final int ACTION_SEND_MEDIA = 7;
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public static final int ACTION_SEND_STICKERS = 8;
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public static final int ACTION_EMBED_LINKS = 9;
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public static final int ACTION_SEND_POLLS = 10;
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public static final int ACTION_VIEW = 11;
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public static final int ACTION_EDIT_MESSAGES = 12;
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public static final int ACTION_DELETE_MESSAGES = 13;
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private static boolean isBannableAction(int action) {
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switch (action) {
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case ACTION_PIN:
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case ACTION_CHANGE_INFO:
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case ACTION_INVITE:
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case ACTION_SEND:
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case ACTION_SEND_MEDIA:
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case ACTION_SEND_STICKERS:
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case ACTION_EMBED_LINKS:
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case ACTION_SEND_POLLS:
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case ACTION_VIEW:
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return true;
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}
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return false;
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}
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private static boolean isAdminAction(int action) {
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switch (action) {
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case ACTION_PIN:
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case ACTION_CHANGE_INFO:
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case ACTION_INVITE:
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case ACTION_ADD_ADMINS:
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case ACTION_POST:
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case ACTION_EDIT_MESSAGES:
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case ACTION_DELETE_MESSAGES:
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case ACTION_BLOCK_USERS:
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return true;
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}
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return false;
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}
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private static boolean getBannedRight(TLRPC.TL_chatBannedRights rights, int action) {
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if (rights == null) {
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return false;
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}
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boolean value;
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switch (action) {
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case ACTION_PIN:
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return rights.pin_messages;
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case ACTION_CHANGE_INFO:
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return rights.change_info;
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case ACTION_INVITE:
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return rights.invite_users;
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case ACTION_SEND:
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return rights.send_messages;
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case ACTION_SEND_MEDIA:
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return rights.send_media;
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case ACTION_SEND_STICKERS:
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return rights.send_stickers;
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case ACTION_EMBED_LINKS:
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return rights.embed_links;
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case ACTION_SEND_POLLS:
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return rights.send_polls;
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case ACTION_VIEW:
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return rights.view_messages;
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}
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return false;
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}
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public static boolean isActionBannedByDefault(TLRPC.Chat chat, int action) {
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if (getBannedRight(chat.banned_rights, action)) {
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return false;
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}
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return getBannedRight(chat.default_banned_rights, action);
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}
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2019-12-31 14:08:08 +01:00
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public static boolean isActionBanned(TLRPC.Chat chat, int action) {
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return chat != null && (getBannedRight(chat.banned_rights, action) || getBannedRight(chat.default_banned_rights, action));
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}
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2019-01-23 18:03:33 +01:00
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public static boolean canUserDoAdminAction(TLRPC.Chat chat, int action) {
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if (chat == null) {
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return false;
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}
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if (chat.creator) {
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return true;
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}
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if (chat.admin_rights != null) {
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boolean value;
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switch (action) {
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case ACTION_PIN:
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value = chat.admin_rights.pin_messages;
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break;
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case ACTION_CHANGE_INFO:
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value = chat.admin_rights.change_info;
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break;
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case ACTION_INVITE:
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value = chat.admin_rights.invite_users;
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break;
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case ACTION_ADD_ADMINS:
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value = chat.admin_rights.add_admins;
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break;
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case ACTION_POST:
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value = chat.admin_rights.post_messages;
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break;
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case ACTION_EDIT_MESSAGES:
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value = chat.admin_rights.edit_messages;
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break;
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case ACTION_DELETE_MESSAGES:
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value = chat.admin_rights.delete_messages;
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break;
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case ACTION_BLOCK_USERS:
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value = chat.admin_rights.ban_users;
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break;
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default:
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value = false;
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break;
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}
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if (value) {
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return true;
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}
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}
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return false;
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}
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public static boolean canUserDoAction(TLRPC.Chat chat, int action) {
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if (chat == null) {
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return true;
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}
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if (canUserDoAdminAction(chat, action)) {
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return true;
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}
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if (getBannedRight(chat.banned_rights, action)) {
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return false;
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}
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if (isBannableAction(action)) {
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if (chat.admin_rights != null && !isAdminAction(action)) {
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return true;
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}
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if (chat.default_banned_rights == null && (
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chat instanceof TLRPC.TL_chat_layer92 ||
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chat instanceof TLRPC.TL_chat_old ||
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chat instanceof TLRPC.TL_chat_old2 ||
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chat instanceof TLRPC.TL_channel_layer92 ||
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chat instanceof TLRPC.TL_channel_layer77 ||
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chat instanceof TLRPC.TL_channel_layer72 ||
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chat instanceof TLRPC.TL_channel_layer67 ||
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chat instanceof TLRPC.TL_channel_layer48 ||
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chat instanceof TLRPC.TL_channel_old)) {
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return true;
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}
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if (chat.default_banned_rights == null || getBannedRight(chat.default_banned_rights, action)) {
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return false;
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}
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return true;
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}
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return false;
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}
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2015-09-24 22:52:02 +02:00
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public static boolean isLeftFromChat(TLRPC.Chat chat) {
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2015-11-26 22:04:02 +01:00
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return chat == null || chat instanceof TLRPC.TL_chatEmpty || chat instanceof TLRPC.TL_chatForbidden || chat instanceof TLRPC.TL_channelForbidden || chat.left || chat.deactivated;
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2015-09-24 22:52:02 +02:00
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}
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public static boolean isKickedFromChat(TLRPC.Chat chat) {
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2017-07-08 18:32:04 +02:00
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return chat == null || chat instanceof TLRPC.TL_chatEmpty || chat instanceof TLRPC.TL_chatForbidden || chat instanceof TLRPC.TL_channelForbidden || chat.kicked || chat.deactivated || chat.banned_rights != null && chat.banned_rights.view_messages;
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2015-09-24 22:52:02 +02:00
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}
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public static boolean isNotInChat(TLRPC.Chat chat) {
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2015-11-26 22:04:02 +01:00
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return chat == null || chat instanceof TLRPC.TL_chatEmpty || chat instanceof TLRPC.TL_chatForbidden || chat instanceof TLRPC.TL_channelForbidden || chat.left || chat.kicked || chat.deactivated;
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2015-09-24 22:52:02 +02:00
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}
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public static boolean isChannel(TLRPC.Chat chat) {
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return chat instanceof TLRPC.TL_channel || chat instanceof TLRPC.TL_channelForbidden;
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}
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2017-12-08 18:35:59 +01:00
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public static boolean isMegagroup(TLRPC.Chat chat) {
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return (chat instanceof TLRPC.TL_channel || chat instanceof TLRPC.TL_channelForbidden) && chat.megagroup;
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}
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2017-07-08 18:32:04 +02:00
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public static boolean hasAdminRights(TLRPC.Chat chat) {
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return chat != null && (chat.creator || chat.admin_rights != null && chat.admin_rights.flags != 0);
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}
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public static boolean canChangeChatInfo(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_CHANGE_INFO);
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2017-07-08 18:32:04 +02:00
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}
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public static boolean canAddAdmins(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_ADD_ADMINS);
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2017-07-08 18:32:04 +02:00
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}
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public static boolean canBlockUsers(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_BLOCK_USERS);
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2017-07-08 18:32:04 +02:00
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}
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public static boolean canSendStickers(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_SEND_STICKERS);
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2017-07-08 18:32:04 +02:00
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}
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public static boolean canSendEmbed(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_EMBED_LINKS);
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2017-07-08 18:32:04 +02:00
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}
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2019-01-23 18:03:33 +01:00
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public static boolean canSendMedia(TLRPC.Chat chat) {
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return canUserDoAction(chat, ACTION_SEND_MEDIA);
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2017-07-08 18:32:04 +02:00
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}
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2019-01-23 18:03:33 +01:00
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public static boolean canSendPolls(TLRPC.Chat chat) {
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return canUserDoAction(chat, ACTION_SEND_POLLS);
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}
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public static boolean canSendMessages(TLRPC.Chat chat) {
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return canUserDoAction(chat, ACTION_SEND);
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2017-07-08 18:32:04 +02:00
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}
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2019-01-23 18:03:33 +01:00
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public static boolean canPost(TLRPC.Chat chat) {
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return canUserDoAction(chat, ACTION_POST);
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2017-07-08 18:32:04 +02:00
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}
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public static boolean canAddUsers(TLRPC.Chat chat) {
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2019-01-23 18:03:33 +01:00
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return canUserDoAction(chat, ACTION_INVITE);
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2017-07-08 18:32:04 +02:00
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}
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2020-09-30 15:48:47 +02:00
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public static boolean shouldSendAnonymously(TLRPC.Chat chat) {
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return chat != null && chat.admin_rights != null && chat.admin_rights.anonymous;
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}
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2020-01-23 07:15:40 +01:00
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public static boolean canAddBotsToChat(TLRPC.Chat chat) {
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if (isChannel(chat)) {
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2020-10-30 11:26:29 +01:00
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if (chat.megagroup && (chat.admin_rights != null && (chat.admin_rights.post_messages || chat.admin_rights.add_admins) || chat.creator)) {
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2020-01-23 07:15:40 +01:00
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return true;
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}
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} else {
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if (chat.migrated_to == null) {
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return true;
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}
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}
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return false;
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}
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2019-01-23 18:03:33 +01:00
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public static boolean canPinMessages(TLRPC.Chat chat) {
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return canUserDoAction(chat, ACTION_PIN) || ChatObject.isChannel(chat) && !chat.megagroup && chat.admin_rights != null && chat.admin_rights.edit_messages;
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2017-07-08 18:32:04 +02:00
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}
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2018-07-30 04:07:02 +02:00
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public static boolean isChannel(int chatId, int currentAccount) {
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TLRPC.Chat chat = MessagesController.getInstance(currentAccount).getChat(chatId);
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2015-09-24 22:52:02 +02:00
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return chat instanceof TLRPC.TL_channel || chat instanceof TLRPC.TL_channelForbidden;
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}
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2018-07-30 04:07:02 +02:00
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public static boolean isCanWriteToChannel(int chatId, int currentAccount) {
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TLRPC.Chat chat = MessagesController.getInstance(currentAccount).getChat(chatId);
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2020-10-30 11:26:29 +01:00
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return ChatObject.canSendMessages(chat) || chat.megagroup;
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2015-09-24 22:52:02 +02:00
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}
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public static boolean canWriteToChat(TLRPC.Chat chat) {
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2017-07-08 18:32:04 +02:00
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return !isChannel(chat) || chat.creator || chat.admin_rights != null && chat.admin_rights.post_messages || !chat.broadcast;
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2015-09-24 22:52:02 +02:00
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}
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2019-01-23 18:03:33 +01:00
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public static String getBannedRightsString(TLRPC.TL_chatBannedRights bannedRights) {
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String currentBannedRights = "";
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currentBannedRights += bannedRights.view_messages ? 1 : 0;
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currentBannedRights += bannedRights.send_messages ? 1 : 0;
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currentBannedRights += bannedRights.send_media ? 1 : 0;
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currentBannedRights += bannedRights.send_stickers ? 1 : 0;
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currentBannedRights += bannedRights.send_gifs ? 1 : 0;
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currentBannedRights += bannedRights.send_games ? 1 : 0;
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currentBannedRights += bannedRights.send_inline ? 1 : 0;
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currentBannedRights += bannedRights.embed_links ? 1 : 0;
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currentBannedRights += bannedRights.send_polls ? 1 : 0;
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currentBannedRights += bannedRights.invite_users ? 1 : 0;
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currentBannedRights += bannedRights.change_info ? 1 : 0;
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currentBannedRights += bannedRights.pin_messages ? 1 : 0;
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currentBannedRights += bannedRights.until_date;
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return currentBannedRights;
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}
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2018-07-30 04:07:02 +02:00
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public static TLRPC.Chat getChatByDialog(long did, int currentAccount) {
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2015-09-24 22:52:02 +02:00
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int lower_id = (int) did;
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int high_id = (int) (did >> 32);
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2015-10-29 18:10:07 +01:00
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if (lower_id < 0) {
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2018-07-30 04:07:02 +02:00
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return MessagesController.getInstance(currentAccount).getChat(-lower_id);
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2015-09-24 22:52:02 +02:00
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}
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return null;
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}
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}
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