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259 lines
13 KiB
259 lines
13 KiB
#############################
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### Some constants #########
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::HELP_MESSAGE = 'Unknown command.
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/login <telegram_login> — Connect to Telegram network
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/code 12345 — Enter confirmation code
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/password secret — Enter 2FA password
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/connect — Connect to Telegram network if have active session
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/disconnect — Disconnect from Telegram network
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/reconnect — Reconnect to Telegram network
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/logout — Disconnect from Telegram network and forget session
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/info — Show information and usage statistics of this instance (only for JIDs specified as administrators)
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/restart — Restart this instance (only for JIDs specified as administrators)
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'
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#############################
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#############################
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## XMPP Transport Class #####
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#############################
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include Jabber::Discovery
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include Jabber::Dataforms
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class XMPPComponent
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# init class and set logger #
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def initialize(params)
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@@loglevel = params['loglevel'] || Logger::DEBUG
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@logger = Logger.new(STDOUT); @logger.level = @@loglevel; @logger.progname = '[XMPPComponent]'
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@config = { host: params["host"] || 'localhost', port: params["port"] || 8899, jid: params["jid"] || 'tlgrm.localhost', secret: params['password'] || '', admins: params['admins'] || [], debug: params['debug'] } # default config
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@sessions = {}
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@presence_que = {}
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@db = params['db_path'] || 'users.dat'
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self.load_db()
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end
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# load sessions from db #
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def load_db()
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@logger.info "Loading sessions..."
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File.open( @db, 'r' ) {|f| YAML.load(f).each do |jid,login| @sessions[jid] = TelegramClient.new(self, jid, login) end }
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end
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# store session to db #
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def save_db()
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@logger.info "Saving sessions..."
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sessions_store = []
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@sessions.each do |jid,session| store << {jid: jid, login: session.login} end
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File.open( @db, 'w' ) {|f| f.write(YAML.dump(sessions_store)) }
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end
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# connecting to XMPP server #
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def connect() # :jid => transport_jid, :host => xmpp_server, :port => xmpp_component_port, :secret => xmpp_component_secret
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begin
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Jabber::debug = @config[:debug]
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# component
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@component = Jabber::Component.new( @config[:jid] )
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@component.connect( @config[:host], @config[:port] )
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@component.auth( @config[:secret] )
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@component.add_message_callback do |msg| msg.first_element_text('body') ? self.message_handler(msg) : nil end
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@component.add_presence_callback do |presence| self.presence_handler(presence) end
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@component.add_iq_callback do |iq| self.iq_handler(iq) end
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@component.on_exception do |exception, stream, state| self.survive(exception, stream, state) end
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@logger.info "Connection to XMPP server established!"
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# disco
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@disco = Jabber::Discovery::Responder.new(@component)
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@disco.identities = [ Identity.new('gateway', 'Telegram Gateway', 'telegram') ]
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@disco.add_features(['http://jabber.org/protocol/disco','jabber:iq:register'])
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# janbber::iq::register
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@iq_register = Jabber::Register::Responder.new(@component)
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@iq_register.instructions = 'Please enter your Telegram login'
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@iq_register.add_field(:login, true) do |jid, login| self.process_command(jid, '/login %s' % login) end
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# jabber::iq::gateway
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@iq_gateway = Jabber::Gateway::Responder.new(@component) do |iq, query| (@sessions.key? iq.from.bare.to_s and @sessions[iq.from.bare.to_s].online?) ? @sessions[iq.from.bare.to_s].resolve_username(query).to_s + '@' + @component.jid.to_s : '' end
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@iq_gateway.description = "Specify @username / ID / https://t.me/link"
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@iq_gateway.prompt = "Telegram contact"
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@logger.info 'Loaded %s sessions from database.' % @sessions.count
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@sessions.each do |jid, session| self.presence(jid, nil, :subscribe) end
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Thread.new { while @component.is_connected? do @presence_que.each_value { |p| @component.send(p) }; @presence_que.clear; sleep(60); end } # presence updater thread
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Thread.stop()
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rescue Interrupt
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@logger.error 'Interrupted!'
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@component.on_exception do |exception,| end
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self.disconnect()
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return -11
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rescue Exception => e
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@logger.error 'Connection failed: %s' % e
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self.save_db()
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exit -8
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end
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end
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# transport shutdown #
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def disconnect()
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@logger.info "Closing connections..."
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@sessions.each do |jid, session| @sessions[jid].disconnect(); self.presence(jid, nil, :unavailable) end
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@component.close()
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end
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# vse umrut a ya ostanus'... #
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def survive(exception, stream, state)
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@logger.error "Stream error on :%s (%s)" % [state.to_s, exception.to_s]
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@logger.info "Trying to revive stream.."
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self.connect()
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end
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# message to users #
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def message(to, from = nil, body = '')
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@logger.info "Sending message from <%s> to <%s>" % [from || @component.jid, to]
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msg = Jabber::Message.new
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msg.from = (from) ? "%s@%s" % [from, @component.jid.to_s] : @component.jid
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msg.to = to
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msg.body = body
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msg.type = :chat
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@logger.debug msg.to_s
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@component.send(msg)
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end
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# presence update #
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def presence(to, from = nil, type = nil, show = nil, status = nil, nickname = nil, photo = nil, immediately = true)
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@logger.debug "Presence update request from %s (immed = %s).." % [from.to_s, immediately]
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req = Jabber::Presence.new()
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req.from = from.nil? ? @component.jid : "%s@%s" % [from, @component.jid] # presence <from>
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req.to = to # presence <to>
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req.type = type unless type.nil? # pres. type
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req.show = show unless show.nil? # presence <show>
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req.status = status unless status.nil? # presence message
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req.add_element('nick', {'xmlns' => 'http://jabber.org/protocol/nick'} ).add_text(nickname) unless nickname.nil? # nickname
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req.add_element('x', {'xmlns' => 'vcard-temp:x:update'} ).add_element("photo").add_text(photo) unless photo.nil? # nickname
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@logger.debug req.to_s
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(immediately) ? @component.send(req) : @presence_que.store(req.from.to_s+req.to.to_s, req)
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end
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# request timezone information #
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def request_tz(jid)
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@logger.debug "Request timezone from JID %s" % jid.to_s
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iq = Jabber::Iq.new
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iq.type = :get
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iq.to = jid
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iq.from = @component.jid
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iq.id = 'time_req_1'
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iq.add_element("time", {"xmlns" => "urn:xmpp:time"})
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@logger.debug iq.to_s
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@component.send(iq)
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end
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#############################
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#### Callback handlers #####
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#############################
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# new message to XMPP component #
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def message_handler(msg)
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return if msg.type == :error
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@logger.info 'Received message from <%s> to <%s>' % [msg.from.to_s, msg.to.to_s]
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@logger.debug msg.to_s
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if msg.to == @component.jid then self.process_command(msg.from, msg.first_element_text('body') ); return; end # treat message as internal command if received as transport jid
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if @sessions.key? msg.from.bare.to_s then self.request_tz(msg.from) if not @sessions[msg.from.bare.to_s].tz_set?; @sessions[msg.from.bare.to_s].process_outgoing_msg(msg.to.to_s.split('@')[0].to_i, msg.first_element_text('body')); return; end #if @sessions.key? msg.from.bare.to_s and @sessions[msg.from.bare.to_s].online? # queue message for processing session is active for jid from
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end
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# new presence to XMPP component #
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def presence_handler(prsnc)
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@logger.debug "Received presence :%s from <%s> to <%s>" % [prsnc.type.to_s, prsnc.from.to_s, prsnc.to.to_s]
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@logger.debug(prsnc.to_s)
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if prsnc.type == :subscribe then reply = prsnc.answer(false); reply.type = :subscribed; @component.send(reply); end # send "subscribed" reply to "subscribe" presence
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if prsnc.to == @component.jid and @sessions.key? prsnc.from.bare.to_s and prsnc.type == :unavailable then @sessions[prsnc.from.bare.to_s].disconnect(); self.presence(prsnc.from, nil, :subscribe) ; return; end # go offline when received offline presence from jabber user
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if prsnc.to == @component.jid and @sessions.key? prsnc.from.bare.to_s then self.request_tz(prsnc.from); @sessions[prsnc.from.bare.to_s].connect() || @sessions[prsnc.from.bare.to_s].sync_status(); return; end # connect if we have session
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end
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# new iq (vcard/tz) request to XMPP component #
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def iq_handler(iq)
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@logger.debug "Received iq :%s from <%s> to <%s>" % [iq.type.to_s, iq.from.to_s, iq.to.to_s]
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@logger.debug(iq.to_s)
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# vcard request #
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if iq.type == :get and iq.vcard and @sessions.key? iq.from.bare.to_s then
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@logger.debug "VCard request for <%s>" % iq.to.to_s
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fn, nickname, given, family, phone, desc, photo = @sessions[iq.from.bare.to_s].get_contact_info(iq.to.to_s.split('@')[0].to_i)
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vcard = Jabber::Vcard::IqVcard.new()
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vcard["FN"] = fn
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vcard["NICKNAME"] = nickname if nickname
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vcard["URL"] = "https://t.me/%s" % nickname if nickname
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vcard["N/GIVEN"] = given if given
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vcard["N/FAMILY"] = family if family
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vcard["DESC"] = desc if desc
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vcard["PHOTO/TYPE"] = 'image/jpeg' if photo
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vcard["PHOTO/BINVAL"] = photo if photo
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if phone then ph = vcard.add_element("TEL"); ph.add_element("HOME"); ph.add_element("VOICE"); ph.add_element("NUMBER"); ph.elements["NUMBER"].text = phone; end
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reply = iq.answer
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reply.type = :result
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reply.elements["vCard"] = vcard
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@logger.debug reply.to_s
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@component.send(reply)
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# time response #
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elsif iq.type == :result and iq.elements["time"] and @sessions.key? iq.from.bare.to_s then
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@logger.debug "Timezone response from <%s>" % iq.from.to_s
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timezone = iq.elements["time"].elements["tzo"].text
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@sessions[iq.from.bare.to_s].timezone = timezone
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elsif iq.type == :get then
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@logger.debug "Unknown iq type <%s>" % iq.from.to_s
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reply = iq.answer
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reply.type = :error
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end
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@component.send(reply)
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end
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#############################
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#### Command handlers #####
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#############################
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# process internal /command #
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def process_command(from, body)
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case body.split[0] # /command argument = [command, argument]
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when '/login' # create new session
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@sessions[from.bare.to_s] = TelegramClient.new(self, from.bare.to_s, body.split[1]) if not (@sessions.key? from.bare.to_s and @sessions[from.bare.to_s].online?)
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@sessions[from.bare.to_s].connect()
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self.request_tz(from)
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self.save_db()
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when '/code', '/password' # pass auth data to telegram
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@sessions[from.bare.to_s].process_auth(body.split[0], body.split[1]) if @sessions.key? from.bare.to_s
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when '/connect' # go online
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@sessions[from.bare.to_s].connect() if @sessions.key? from.bare.to_s
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when '/disconnect' # go offline (without destroying a session)
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@sessions[from.bare.to_s].disconnect() if @sessions.key? from.bare.to_s
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when '/reconnect' # reconnect
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@sessions[from.bare.to_s].disconnect() if @sessions.key? from.bare.to_s
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sleep(0.1)
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@sessions[from.bare.to_s].connect() if @sessions.key? from.bare.to_s
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when '/logout' # go offline and destroy session
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@sessions[from.bare.to_s].disconnect(true) if @sessions.key? from.bare.to_s
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self.save_db()
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@sessions.delete(from.bare.to_s)
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when '/info' # show some debug information
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return if not @config[:admins].include? from.bare.to_s
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response = "Information about this instance: \n\n"
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response += "Running from: %s\n" % `ps -p #{$$} -o lstart`.lines.last.strip
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response += "System memory used: %d KB\n" % `ps -o rss -p #{$$}`.lines.last.strip.to_i
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response += "\n\nSessions: %d online | %d total \n" % [ @sessions.inject(0){ |cnt, (jid, sess)| cnt = (sess.online?) ? cnt + 1 : cnt }, @sessions.count]
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@sessions.each do |jid, session| response += "JID: %s | Login: %s | Status: %s (%s) | %s\n" % [jid, session.login, (session.online == true) ? 'Online' : 'Offline', session.auth_state, (session.me) ? session.format_contact(session.me.id) : 'Unknown' ] end
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self.message(from.bare, nil, response)
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when '/restart' # reset transport
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return if not @config[:admins].include? from.bare.to_s
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self.message(from.bare, nil, 'Trying to restart all active sessions and reconnect to XMPP server..')
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sleep(1)
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Process.kill("INT", Process.pid)
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else # unknown command -- display help #
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self.message(from.bare, nil, ::HELP_MESSAGE)
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end
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return true
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end
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end
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