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zhabogram/inc/telegramclient.rb

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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),
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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 <timezone> adjust timezone for Telegram user statuses (example: +02:00)
keeponline <bool> always keep telegram session online and rely on jabber offline messages (example: true)
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rawmessages <bool> 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 <string> in current chat
}
class TelegramClient
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attr_reader :session
## configure tdlib (when valid tdlib params specified) or zhabogram
def self.configure(**config)
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@@config = config
TD.config.update(config[:tdlib])
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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
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@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
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@telegram.connect()
@resources << resource
end
## disconnect telegram client
def disconnect(resource=nil, quit=false)
@resources.delete(resource)
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return if ((@resources.count > 0 || @session[:keeponline] == 'true') && !quit)
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return if not self.online?
@logger.warn 'Disconnecting from Telegram network..'
@cache[:chats].each_key do |chat| @xmpp.send_presence(@jid, chat, :unavailable) end
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@telegram.dispose()
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@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..'
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@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
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@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 != "") ? " | " : ''
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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)
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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
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@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)
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@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
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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
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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"))
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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
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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