DEFAULTS = { lib_path: 'lib/', verbosity: 2, loglevel: :debug, client: {api_id: 50322, api_hash: '9ff1a639196c0779c86dd661af8522ba', use_chat_info_database: false}, content: {path: '', link: '', upload: ''} } PERMISSIONS = { admin: {can_be_edited: true, can_change_info: true, can_post_messages: true, can_edit_messages: true, can_delete_messages: true, can_invite_users: true, can_restrict_members: true, can_pin_messages: true, can_promote_members: false}, member: TD::Types::ChatPermissions.new(can_send_messages: true, can_send_media_messages: true, can_send_polls: true, can_send_other_messages: true, can_add_web_page_previews: true, can_change_info: true, can_invite_users: true, can_pin_messages: true), readonly: TD::Types::ChatPermissions.new(can_send_messages: false, can_send_media_messages: false, can_send_polls: false, can_send_other_messages: false, can_add_web_page_previews: false, can_change_info: false, can_invite_users: false, can_pin_messages: false), login: TD::Types::PhoneNumberAuthenticationSettings.new(allow_flash_call: false, is_current_phone_number: false, allow_sms_retriever_api: false), } HELP_GATE_CMD = %q{Available commands: /login phone — sign in /logout — sign out /code — check one-time code /password — check 2fa password /setusername username — update @username /setname first last — update name /setbio — update about /setpassword [old] [new] — set or remove password /config [param] [value] — view or update configuration options Configuration options timezone — adjust timezone for Telegram user statuses (example: +02:00) keeponline — always keep telegram session online and rely on jabber offline messages (example: true) rawmessages — do not add additional info (message id, origin etc.) to incoming messages (example: true) } HELP_CHAT_CMD= %q{Available commands: /d [n] — delete your last message(s) /s edited message — edit your last message /add @username — add @username to your chat list /join https://t.me/invite_link — join to chat via invite link /group title — create groupchat «title» with current user /supergroup title description — create new supergroup «title» with «description» /channel title description — create new channel «title» with «description» /secret — create secretchat with current user /block — blacklist current user /unblock — unblacklist current user /invite id or @username — add user to current chat /link — get invite link for current chat /kick id or @username — remove user from current chat /mute id or @username [hours] — mute user in current chat /unmute id or @username — unrestrict user from current chat /ban id or @username [hours] — restrict @username from current chat /unban id or @username — unbans @username in current chat (and devotes from admins) /promote id or @username — promote user to admin in current chat /leave — leave current chat /leave! — leave current chat (for owners) /ttl — set secret chat messages TTL before self-destroying (in seconds) /close — close current secret chat /delete — delete current chat from chat list /members [query] — search members [by optional query] in current chat (requires admin rights) /search string [limit] — search in current chat } class TelegramClient attr_reader :session ## configure tdlib (when valid tdlib params specified) or zhabogram def self.configure(**config) @@config = config TD.config.update(config[:tdlib]) TD::Api.set_log_verbosity_level(config[:tdlib_verbosity]) end ## initialize telegram client instance (xmpp = XMPP stream, jid = user's jid , login = user's telegram login (for now, it is phone number) def initialize(xmpp, jid, **session) return unless @@config @logger = Logger.new(STDOUT, level: @@config[:loglevel], progname: 'TelegramClient: %s | %s' % [jid, session[:login]] ) @resource = @@config[:tdlib][:client][:device_model] || 'zhabogram' @xmpp = xmpp @jid = jid @session = session @resources = Set.new @cache = {chats: {nil => []}, users: {}, status: {}} self.connect() if @session[:keeponline] == 'true' end ## connect telegram client def connect(resource=nil) return self.roster(resource) if self.online? # already connected @logger.warn 'Connecting to Telegram network..' @telegram = TD::Client.new(database_directory: 'sessions/' + @jid, files_directory: 'sessions/' + @jid + '/files/') @telegram.on(TD::Types::Update::AuthorizationState) do |u| @logger.debug(u); self.update_authorizationstate(u) end @telegram.on(TD::Types::Update::User) do |u| @logger.debug(u); self.update_user(u) end @telegram.on(TD::Types::Update::UserStatus) do |u| @logger.debug(u); self.update_userstatus(u) end @telegram.on(TD::Types::Update::NewChat) do |u| @logger.debug(u); self.update_newchat(u) end @telegram.on(TD::Types::Update::NewMessage) do |u| @logger.debug(u); self.update_newmessage(u) end @telegram.on(TD::Types::Update::MessageContent) do |u| @logger.debug(u); self.update_messagecontent(u) end @telegram.on(TD::Types::Update::DeleteMessages) do |u| @logger.debug(u); self.update_deletemessages(u) end @telegram.on(TD::Types::Update::File) do |u| @logger.debug(u); self.update_file(u) end @telegram.connect() @resources << resource end ## disconnect telegram client def disconnect(resource=nil, quit=false) @resources.delete(resource) return if ((@resources.count > 0 || @session[:keeponline] == 'true') && !quit) return if not self.online? @logger.warn 'Disconnecting from Telegram network..' @cache[:chats].each_key do |chat| @xmpp.send_presence(@jid, chat, :unavailable) end @telegram.dispose() @telegram = nil end ## resend statuses to (to another resource for example) def roster(resource=nil) return if @resources.include? resource # we know it @logger.warn 'Sending roster for %s' % resource @cache[:chats].each_key do |chat| self.process_status_update(chat) end @xmpp.send_presence(@jid, nil, nil, nil, "Logged in as: %s" % @session[:login]) @resources << resource end ## online? def online? @telegram and @telegram.alive? end ######################################################################### # telegram updates handlers ############################################# ######################################################################### ## authorization state change def update_authorizationstate(update) case update.authorization_state when TD::Types::AuthorizationState::WaitPhoneNumber # stage 0: set login @logger.warn 'Logging in..' @telegram.set_authentication_phone_number(@session[:login], PERMISSIONS[:login]) if @session[:login] @xmpp.send_message(@jid, nil, 'Please, enter your Telegram login via /login 12345') if not @session[:login] when TD::Types::AuthorizationState::WaitCode # stage 1: wait for auth code @logger.warn 'Waiting for authorization code..' @xmpp.send_message(@jid, nil, 'Please, enter authorization code via /code 12345') when TD::Types::AuthorizationState::WaitPassword # stage 2: wait for 2fa @logger.warn 'Waiting for 2FA password..' @xmpp.send_message(@jid, nil, 'Please, enter 2FA passphrase via /password 12345') when TD::Types::AuthorizationState::Ready # stage 3: auth completed @session[:login] ||= @me.phone_number @logger.warn 'Authorization successful!' @telegram.get_me.then{|me| @me = me}.wait @telegram.get_chats(TD::Types::ChatList::Main.new, 9223372036854775807, 0, 999).wait @xmpp.send_presence(@jid, nil, :subscribe, nil, nil) @xmpp.send_presence(@jid, nil, :subscribed, nil, nil) @xmpp.send_presence(@jid, nil, nil, nil, "Logged in as: %s" % @session[:login]) end end ## message received def update_newmessage(update) return if update.message.is_outgoing and update.message.sending_state.instance_of? TD::Types::MessageSendingState::Pending # ignore self outgoing messages @logger.warn 'New message from chat %s' % update.message.chat_id content, prefix = update.message.content, [] text = case content # text when TD::Types::MessageContent::Text then content.text.text when TD::Types::MessageContent::Sticker then content.sticker.emoji when TD::Types::MessageContent::Animation, TD::Types::MessageContent::Photo, TD::Types::MessageContent::Audio, TD::Types::MessageContent::Video, TD::Types::MessageContent::Document then content.caption.text when TD::Types::MessageContent::Location then "coordinates: %{latitude},%{longitude} | https://www.google.com/maps/search/%{latitude},%{longitude}/" % content.location.to_h when TD::Types::MessageContent::VoiceNote then 'voice note (%i s.)' % content.voice_note.duration when TD::Types::MessageContent::VideoNote then 'video note (%i s.)' % content.video_note.duration when TD::Types::MessageContent::BasicGroupChatCreate, TD::Types::MessageContent::SupergroupChatCreate then "has created chat" when TD::Types::MessageContent::PinMessage then "pinned message: %s" % self.format_message(update.message.chat_id, content.message_id) when TD::Types::MessageContent::ChatJoinByLink then "joined chat via invite link" when TD::Types::MessageContent::ChatAddMembers then "invited %s" % self.format_contact(message.content.member_user_ids.first) when TD::Types::MessageContent::ChatDeleteMember then "kicked %s" % self.format_contact(update.message.content.user_id) when TD::Types::MessageContent::ChatChangeTitle then "chat title set to: %s" % update.message.content.title else "unknown message (%s)" % update.message.content.class end file = case content # file(s) when TD::Types::MessageContent::Sticker then content.sticker.sticker when TD::Types::MessageContent::VoiceNote then content.voice_note.voice when TD::Types::MessageContent::VideoNote then content.video_note.video when TD::Types::MessageContent::Animation then content.animation.animation when TD::Types::MessageContent::Photo then content.photo.sizes[-1].photo when TD::Types::MessageContent::Audio then content.audio.audio when TD::Types::MessageContent::Video then content.video.video when TD::Types::MessageContent::Document then content.document.document end file = @telegram.download_file(file.id, 1, 0, 0, true).value if file # download file (if one) prefix << (update.message.is_outgoing ? '➡ ' : '⬅ ') + update.message.id.to_s # message direction prefix << "%s" % self.format_contact(update.message.sender_user_id) if update.message.chat_id < 0 and update.message.sender_user_id # show sender in group chats prefix << "reply: %s" % self.format_message(update.message.chat_id, update.message.reply_to_message_id, true) if update.message.reply_to_message_id.to_i != 0 # reply to prefix << "fwd: %s" % self.format_forward(update.message.forward_info) if update.message.forward_info # forward prefix << "file: %s" % self.format_file(file) if file # file prefix = prefix.join(' | ') prefix += (update.message.chat_id < 0 and text and text != "") ? "\n" : '' # \n if it is groupchat and message is not empty prefix += (update.message.chat_id > 0 and text and text != "") ? " | " : '' text = prefix + text unless (text.start_with? '?OTR' or @session[:rawmessages] == 'true') # OTR support (I do not know why would you need it, seriously) @telegram.view_messages(update.message.chat_id, [update.message.id], true) # mark message as read @xmpp.send_message(@jid, update.message.chat_id, text) # forward message to XMPP end ## message content updated def update_messagecontent(update) text = "✎ %s | %s" % [update.message_id, update.new_content.text.text] @xmpp.send_message(@jid, update.chat_id, text) end ## message(s) deleted def update_deletemessages(update) text = "✗ %s" % update.message_ids.join(',') @xmpp.send_message(@jid, update.chat_id, text) if update.is_permanent end ## new chat discovered def update_newchat(update) puts update.to_json @telegram.download_file(update.chat.photo.small.id, 10, 0, 0, false) if update.chat.photo @cache[:chats][update.chat.id] = update.chat @xmpp.send_presence(@jid, update.chat.id, :subscribe, nil, nil, update.chat.title.to_s) unless (update.chat.type.instance_of? TD::Types::ChatType::Supergroup and update.chat.type.is_channel and update.chat.last_read_inbox_message_id == 0) self.process_status_update(update.chat.id, update.chat.title, :chat) if update.chat.id < 0 end ## new user discovered def update_user(update) @cache[:users][update.user.id] = update.user @cache[:status][update.user.id] = update.user.status self.process_status_update(update.user.id, update.user.status) end ## user status changed def update_userstatus(update) @cache[:status][update.user_id] = update.status self.process_status_update(update.user_id, update.status, nil, false) end ## file downloaded def update_file(update) return unless update.file.local.is_downloading_completed # not really end ######################################################################### # xmpp to telegram gateway functions #################################### ######################################################################### ## get user and chat information from cache (or try to retrieve it, if missing) def get_contact(id) return unless self.online? && id # we're offline. @telegram.search_public_chat(id).then{|chat| id = chat.id }.wait if id[0] == '@' @telegram.get_user(id).wait if not @cache[:users][id] and (id>0) @telegram.get_chat(id).wait if not @cache[:chats][id] return @cache[:chats][id], @cache[:users][id] end ## get last messages from specified chat def get_lastmessages(id, query=nil, from=nil, count=1) result = @telegram.search_chat_messages(id, query.to_s, from.to_i, 0, 0, count.to_i, TD::Types::SearchMessagesFilter::Empty.new).value return (result) ? result.messages : [] end ## set contact status def process_status_update(id, status=nil, show=nil, immed=true) return unless self.online? @logger.info "Status update for %s" % id chat, user = self.get_contact(id) photo = Digest::SHA1.hexdigest(IO.binread(chat.photo.small.local.path)) if chat and chat.photo and File.exist? chat.photo.small.local.path status ||= @cache[:status][id] if @cache[:status][id] status ||= user.status if user and user.status case status when nil then show, status = :chat, chat ? chat.title : nil when TD::Types::UserStatus::Online then show, status = nil, "Online" when TD::Types::UserStatus::Recently then show, status = :dnd, "Last seen recently" when TD::Types::UserStatus::LastWeek then show, status = :xa, "Last seen last week" when TD::Types::UserStatus::LastMonth then show, status = :xa, "Last seen last month" when TD::Types::UserStatus::Empty then type, status = :unavailable, "Last seen a long time ago" when TD::Types::UserStatus::Offline then show, status = (Time.now.getutc.to_i-status.was_online.to_i<3600) ? :away : :xa, DateTime.strptime((status.was_online+Time.now.getlocal(@session[:timezone]).utc_offset).to_s,'%s').strftime("Last seen at %H:%M %d/%m/%Y") end return @xmpp.send_presence(@jid, id, type, show, status, nil, photo, @resource, immed) end ## send outgoing message to telegram user def process_outgoing_message(id, text) return if self.process_command(id, text.split.first, text.split[1..-1]) or not self.online? # try to execute commands @logger.warn 'Sending message to chat %s' % id reply = text.lines[0].scan(/\d+/).first.to_i if text.lines[0] =~ /^> ?[0-9]{10}/ text = TD::Types::FormattedText.new(text: !reply ? text : text.lines[1..-1].join, entities: []) message = TD::Types::InputMessageContent::Text.new(text: text, disable_web_page_preview: false, clear_draft: false) return (id) ? @telegram.send_message(id, reply.to_i, nil, nil, message).rescue{|e| @xmpp.send_message(@jid, id, "Not sent: %s" % e)} : message end ## /commands (some telegram actions) def process_command(id, cmd, args) chat, user = self.get_contact(id) unless id == 0 # get chat information if id == 0 then # transport commands case cmd when '/login' then @telegram.set_authentication_phone_number(args[0], PERMISSIONS[:login]).then{@session[:login] = args[0]} unless @session[:login] # sign in when '/logout' then @telegram.log_out().then{@cache[:chats].each_key do |chat| @xmpp.send_presence(@jid, chat, :unsubscribed); @session[:login] = nil end} # sign out when '/code' then @telegram.check_authentication_code(args[0]) # check auth code when '/password' then @telegram.check_authentication_password(args[0]) # chech auth password when '/setusername' then @telegram.set_username(args[0] || '') # set @username when '/setname' then @telegram.set_name(args[0] || '', args[1] || '') # set My Name when '/setbio' then @telegram.set_bio(args[0] || '') # set About when '/setpassword' then @telegram.set_password((args[1] ? args[0] : ''), args[1]) # set password when '/config' then @xmpp.send_message(@jid, nil, args[1] ? "%s set to %s" % [args[0], @session.store(args[0].to_sym, args[1])] : @session.map{|attr| "%s is set to %s" % attr}.join("\n")) when '/help' then @xmpp.send_message(@jid, nil, HELP_GATE_CMD) end return true # stop executing else # chat commands case cmd when '/d' then @telegram.delete_messages(chat.id, self.get_lastmessages(chat.id, nil, @me.id, args[0]||1).map(&:id), true) # delete message when '/s' then @telegram.edit_message_text(chat.id, self.get_lastmessages(chat.id, nil, @me.id, 1).first.id, nil, self.process_outgoing_message(nil, args.join(' '))) # edit message when '/add' then @telegram.search_public_chat(args[0]).then{|chat| @xmpp.send_presence(@jid, chat.id, :subscribe)}.wait # add @contact when '/join' then @telegram.join_chat_by_invite_link(args[0]) # join https://t.me/publichat when '/supergroup' then @telegram.create_new_supergroup_chat(args[0], false, args[1..-1].join(' '), nil) # create new supergroup when '/channel' then @telegram.create_new_supergroup_chat(args[0], true, args[1..-1].join(' '), nil) # create new channel when '/secret' then @telegram.create_new_secret_chat(chat.id) # create secret chat with current user when '/group' then @telegram.create_new_basic_group_chat(chat.id, args[0]) # create group chat with current user when '/block' then @telegram.block_user(chat.id) # blacklists current user when '/unblock' then @telegram.unblock_user(chat.id) # unblacklists current user when '/members' then @telegram.search_chat_members(chat.id, args[0], 9999, TD::Types::ChatMembersFilter::Members.new).then{|m| @xmpp.send_message(@jid, chat.id, (m.members.map do |u| "%s | role: %s" % [self.format_contact(u.user_id), u.status.class] end).join("\n")) } # chat members when '/invite' then @telegram.add_chat_member(chat.id, self.get_contact(args[0]).first.id, 100) # invite @username to current groupchat when '/link' then @telegram.generate_chat_invite_link(chat.id).then{|link| @xmpp.send_message(@jid, chat.id, link.invite_link)} # get link to current chat when '/kick' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Left.new()) # kick @username when '/mute' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Restricted.new(is_member: true, restricted_until_date: self.format_bantime(args[0]), permissions: PERMISSIONS[:readonly])) # mute @username [n hours] when '/unmute' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Restricted.new(is_member: true, restricted_until_date: 0, permissions: PERMISSIONS[:member])) # unmute @username when '/ban' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Banned.new(banned_until_date: self.format_bantime(args[0]))) # ban @username [n hours] when '/unban' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Member.new()) # unban @username when '/promote' then @telegram.set_chat_member_status(chat.id, self.get_contact(args[0]).first.id, TD::Types::ChatMemberStatus::Administrator.new(custom_title: args[0].to_s, **PERMISSIONS[:admin])) # promote @username to admin when '/leave' then @telegram.leave_chat(chat.id).then{@xmpp.send_presence(@jid, chat.id, :unsubscribed)} # leave current chat when '/leave!' then @telegram.delete_supergroup(chat.type.supergroup_id).then{@xmpp.send_presence(@jid, chat.id, :unsubscribed)}.rescue{|e| puts e.to_s} # leave current chat (for owners) when '/ttl' then @telegram.send_chat_set_ttl_message(chat.type.secret_chat_id, args[0].to_i) # close secret chat when '/close' then @telegram.close_secret_chat(chat.type.secret_chat_id).then{@xmpp.send_presence(@jid, chat.id, :unsubscribed)} # close secret chat when '/delete' then @telegram.delete_chat_history(chat.id, true, true).then{@xmpp.send_presence(@jid, chat.id, :unsubscribed)} # delete current chat when '/search' then @telegram.get_messages(chat.id, self.get_lastmessages(chat.id, args[0], 0, args[1]||100).map(&:id)).value.messages.reverse.each{|msg| @xmpp.send_message(@jid, chat.id, self.format_message(chat.id,msg,false))} # message search when '/help' then @xmpp.send_message(@jid, id, HELP_CHAT_CMD) else return # continue end return true # stop end end ######################################################################### # formatting functions ################################################# ######################################################################### def format_contact(id) return if not id or id == 0 chat, user = self.get_contact(id) str = id str = "%s (%s)" % [chat.title, chat.id] if chat str = "%s %s (%s)" % [user.first_name, user.last_name, (user.username.empty?) ? user.id : user.username] if user str = str.gsub(' ', ' ') return str end def format_file(file) return unless File.exist? file.local.path src = file.local.path # source path dest = "%s/%s" % [@@config[:content][:path], file.remote.unique_id + File.extname(file.local.path)] # destination path link = "%s/%s" % [@@config[:content][:link], File.basename(dest)] # download link File.rename(src, dest) return "%s (%d kbytes) | %s" % [File.basename(src), file.size/1024, link] end def format_message(id, message, preview=false) message = (message.instance_of? TD::Types::Message) ? message : @telegram.get_message(id, message).value return unless message str = "%s | %s | " % [message.id, self.format_contact(message.sender_user_id)] # add messageid and sender str += DateTime.strptime((message.date+Time.now.getlocal(@session[:timezone]).utc_offset).to_s,'%s').strftime("%d %b %Y %H:%M:%S | ") unless preview # add date str += (not preview or message.content.text.text.lines.count <= 1) ? message.content.text.text : message.content.text.text.lines.first if message.content.respond_to? 'text' # text message str += message.content.caption.text if message.content.respond_to? 'caption' # content caption return str end def format_forward(fwd) str = case fwd.origin when TD::Types::MessageForwardOrigin::User then self.format_contact(fwd.origin.sender_user_id) when TD::Types::MessageForwardOrigin::HiddenUser then fwd.origin.sender_name when TD::Types::MessageForwardOrigin::Channel then [self.format_contact(fwd.origin.chat_id), fwd.origin.author_signature].join ' ' end return str end def format_bantime(hours=0) now = Time.now.getutc.to_i till = now + hours.to_i*3600 return (hours.to_i>0) ? till : 0 end end