1# frozen_string_literal: true
   2
   3require "pg/em/connection_pool"
   4require "bandwidth"
   5require "bigdecimal"
   6require "blather/client/dsl"
   7require "date"
   8require "dhall"
   9require "em-hiredis"
  10require "em_promise"
  11require "ougai"
  12require "ruby-bandwidth-iris"
  13require "sentry-ruby"
  14require "statsd-instrument"
  15
  16require_relative "lib/background_log"
  17require_relative "lib/utils"
  18
  19$stdout.sync = true
  20LOG = Ougai::Logger.new(BackgroundLog.new($stdout))
  21LOG.level = ENV.fetch("LOG_LEVEL", "info")
  22LOG.formatter = Ougai::Formatters::Readable.new(
  23	nil,
  24	nil,
  25	plain: !$stdout.isatty
  26)
  27Blather.logger = LOG
  28EM::Hiredis.logger = LOG
  29StatsD.logger = LOG
  30LOG.info "Starting"
  31
  32def log
  33	Thread.current[:log] || LOG
  34end
  35
  36Sentry.init do |config|
  37	config.logger = LOG
  38	config.breadcrumbs_logger = [:sentry_logger]
  39end
  40
  41CONFIG = Dhall::Coder
  42	.new(safe: Dhall::Coder::JSON_LIKE + [Symbol, Proc])
  43	.load(
  44		"(#{ARGV[0]}) : #{__dir__}/config-schema.dhall",
  45		transform_keys: ->(k) { k&.to_sym },
  46		timeout: 30
  47	)
  48WEB_LISTEN =
  49	if CONFIG[:web].is_a?(Hash)
  50		[CONFIG[:web][:interface], CONFIG[:web][:port]]
  51	else
  52		[CONFIG[:web]]
  53	end
  54
  55singleton_class.class_eval do
  56	include Blather::DSL
  57	Blather::DSL.append_features(self)
  58end
  59
  60require_relative "lib/session_manager"
  61
  62IQ_MANAGER = SessionManager.new(self, :id)
  63COMMAND_MANAGER = SessionManager.new(
  64	self,
  65	:sessionid,
  66	timeout: 60 * 60,
  67	error_if: ->(s) { s.cancel? }
  68)
  69
  70require_relative "lib/polyfill"
  71require_relative "lib/alt_top_up_form"
  72require_relative "lib/admin_command"
  73require_relative "lib/backend_sgx"
  74require_relative "lib/bwmsgsv2_repo"
  75require_relative "lib/bandwidth_iris_patch"
  76require_relative "lib/bandwidth_tn_order"
  77require_relative "lib/bandwidth_tn_repo"
  78require_relative "lib/btc_sell_prices"
  79require_relative "lib/buy_account_credit_form"
  80require_relative "lib/configure_calls_form"
  81require_relative "lib/command"
  82require_relative "lib/command_list"
  83require_relative "lib/customer"
  84require_relative "lib/customer_info"
  85require_relative "lib/customer_info_form"
  86require_relative "lib/customer_repo"
  87require_relative "lib/dummy_command"
  88require_relative "lib/db_notification"
  89require_relative "lib/electrum"
  90require_relative "lib/empty_repo"
  91require_relative "lib/expiring_lock"
  92require_relative "lib/em"
  93require_relative "lib/form_to_h"
  94require_relative "lib/low_balance"
  95require_relative "lib/port_in_order"
  96require_relative "lib/patches_for_sentry"
  97require_relative "lib/payment_methods"
  98require_relative "lib/paypal_done"
  99require_relative "lib/postgres"
 100require_relative "lib/reachability_form"
 101require_relative "lib/reachability_repo"
 102require_relative "lib/registration"
 103require_relative "lib/transaction"
 104require_relative "lib/tel_selections"
 105require_relative "lib/sim_repo"
 106require_relative "lib/sim_order"
 107require_relative "lib/edit_sim_nicknames"
 108require_relative "lib/snikket"
 109require_relative "lib/welcome_message"
 110require_relative "web"
 111require_relative "lib/statsd"
 112
 113ELECTRUM = Electrum.new(**CONFIG[:electrum])
 114ELECTRUM_BCH = Electrum.new(**CONFIG[:electrum_bch])
 115
 116LOG.info "Loading scripts from #{__dir__}/redis_lua"
 117EM::Hiredis::Client.load_scripts_from("#{__dir__}/redis_lua")
 118
 119Faraday.default_adapter = :em_synchrony
 120BandwidthIris::Client.global_options = {
 121	account_id: CONFIG[:creds][:account],
 122	username: CONFIG[:creds][:username],
 123	password: CONFIG[:creds][:password]
 124}
 125BANDWIDTH_VOICE = Bandwidth::Client.new(
 126	voice_basic_auth_user_name: CONFIG[:creds][:username],
 127	voice_basic_auth_password: CONFIG[:creds][:password]
 128).voice_client.client
 129
 130class AuthError < StandardError; end
 131
 132require_relative "lib/async_braintree"
 133BRAINTREE = AsyncBraintree.new(**CONFIG[:braintree])
 134
 135def panic(e, hub=nil)
 136	log.fatal(
 137		"Error raised during event loop: #{e.class}",
 138		e
 139	)
 140	if e.is_a?(::Exception)
 141		(hub || Sentry).capture_exception(e, hint: { background: false })
 142	else
 143		(hub || Sentry).capture_message(e.to_s, hint: { background: false })
 144	end
 145	exit 1
 146end
 147
 148EM.error_handler(&method(:panic))
 149
 150require_relative "lib/blather_client"
 151@client = BlatherClient.new
 152
 153setup(
 154	CONFIG[:component][:jid],
 155	CONFIG[:component][:secret],
 156	CONFIG[:server][:host],
 157	CONFIG[:server][:port],
 158	nil,
 159	nil,
 160	async: true
 161)
 162
 163# Infer anything we might have been notified about while we were down
 164def catchup_notify_low_balance(db)
 165	db.query(<<~SQL).each do |c|
 166		SELECT customer_id
 167		FROM balances INNER JOIN customer_plans USING (customer_id)
 168		WHERE balance < 5 AND expires_at > LOCALTIMESTAMP
 169	SQL
 170		db.query("SELECT pg_notify('low_balance', $1)", c.values)
 171	end
 172end
 173
 174def catchup_notify_possible_renewal(db)
 175	db.query(<<~SQL).each do |c|
 176		SELECT customer_id
 177		FROM customer_plans INNER JOIN balances USING (customer_id)
 178		WHERE
 179			expires_at < LOCALTIMESTAMP
 180			AND expires_at >= LOCALTIMESTAMP - INTERVAL '3 months'
 181			AND balance >= 5
 182	SQL
 183		db.query("SELECT pg_notify('possible_renewal', $1)", c.values)
 184	end
 185end
 186
 187def setup_sentry_scope(name)
 188	Sentry.clone_hub_to_current_thread
 189	Sentry.with_scope do |scope|
 190		scope.clear_breadcrumbs
 191		scope.set_transaction_name(name)
 192		Thread.current[:log] = ::LOG.child(transaction: scope.transaction_name)
 193		yield scope
 194	end
 195end
 196
 197def poll_for_notify(db, repo)
 198	db.wait_for_notify_defer.then { |notify|
 199		setup_sentry_scope("DB NOTIFY") do
 200			repo.find(notify[:extra]).then { |customer|
 201				DbNotification.for(notify, customer, repo)
 202			}.then(&:call).catch { |e|
 203				log.error("Error during poll_for_notify", e)
 204				Sentry.capture_exception(e)
 205			}.sync
 206		end
 207	}.then { EM.add_timer(0.5) { poll_for_notify(db, repo) } }
 208end
 209
 210def load_plans_to_db!
 211	DB.transaction do
 212		DB.exec("TRUNCATE plans")
 213		CONFIG[:plans].each do |plan|
 214			DB.exec("INSERT INTO plans VALUES ($1)", [plan.to_json])
 215		end
 216	end
 217end
 218
 219when_ready do
 220	log.info "Ready"
 221	BLATHER = self
 222	REDIS = EM::Hiredis.connect
 223	MEMCACHE = EM::P::Memcache.connect
 224	BTC_SELL_PRICES = BTCSellPrices.new(REDIS, CONFIG[:oxr_app_id])
 225	BCH_SELL_PRICES = BCHSellPrices.new(REDIS, CONFIG[:oxr_app_id])
 226	DB = Postgres.connect(dbname: "jmp", size: 5)
 227	TEL_SELECTIONS = TelSelections.new
 228
 229	EMPromise.resolve(nil).then {
 230		conn = DB.acquire
 231		conn.query("LISTEN low_balance")
 232		conn.query("LISTEN possible_renewal")
 233		catchup_notify_low_balance(conn)
 234		catchup_notify_possible_renewal(conn)
 235
 236		repo = CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 237		poll_for_notify(conn, repo)
 238	}.catch(&method(:panic))
 239
 240	load_plans_to_db!
 241
 242	EM.add_periodic_timer(3600) do
 243		DB.finish # Clear idle connections
 244		ping = Blather::Stanza::Iq::Ping.new(:get, CONFIG[:server][:host])
 245		ping.from = CONFIG[:component][:jid]
 246		self << ping
 247	end
 248
 249	Web.run(LOG.child, *WEB_LISTEN)
 250end
 251
 252message to: /\Aaccount@/, body: /./ do |m|
 253	StatsD.increment("deprecated_account_bot")
 254
 255	self << m.reply.tap { |out|
 256		out.body = "This bot is deprecated. Please talk to xmpp:cheogram.com"
 257	}
 258end
 259
 260FROM_BACKEND =
 261	"(?:#{([CONFIG[:sgx]] + CONFIG[:sgx_creds].keys)
 262		.map(&Regexp.method(:escape)).join('|')})"
 263
 264before(
 265	:iq,
 266	type: [:error, :result],
 267	to: /\Acustomer_/,
 268	from: /(\A|@)#{FROM_BACKEND}(\/|\Z)/
 269) { |iq| halt if IQ_MANAGER.fulfill(iq) }
 270
 271before nil, to: /\Acustomer_/, from: /(\A|@)#{FROM_BACKEND}(\/|\Z)/ do |s|
 272	StatsD.increment("stanza_customer")
 273
 274	Sentry.get_current_scope.set_transaction_name("stanza_customer")
 275	CustomerRepo.new(set_user: Sentry.method(:set_user)).find(
 276		s.to.node.delete_prefix("customer_")
 277	).then do |customer|
 278		ReachabilityRepo::SMS.new
 279			.find(customer, s.from.node, stanza: s).then do |reach|
 280				reach.filter do
 281					customer.stanza_to(s)
 282				end
 283			end
 284	end
 285
 286	halt
 287end
 288
 289ADDRESSES_NS = "http://jabber.org/protocol/address"
 290message(
 291	to: /\A#{CONFIG[:component][:jid]}\Z/,
 292	from: /(\A|@)#{FROM_BACKEND}(\/|\Z)/
 293) do |m|
 294	StatsD.increment("inbound_group_text")
 295	Sentry.get_current_scope.set_transaction_name("inbound_group_text")
 296	log.info "Possible group text #{m.from}"
 297
 298	address = m.find("ns:addresses", ns: ADDRESSES_NS).first
 299		&.find("ns:address", ns: ADDRESSES_NS)
 300		&.find { |el| el["jid"].to_s.start_with?("customer_") }
 301	pass unless address
 302
 303	CustomerRepo
 304		.new(set_user: Sentry.method(:set_user))
 305		.find_by_jid(address["jid"]).then { |customer|
 306			m.from = m.from.with(domain: CONFIG[:component][:jid])
 307			m.to = m.to.with(domain: customer.jid.domain)
 308			address["jid"] = customer.jid.to_s
 309			BLATHER << m
 310		}.catch_only(CustomerRepo::NotFound) { |e|
 311			BLATHER << m.as_error("forbidden", :auth, e.message)
 312		}
 313end
 314
 315# Ignore groupchat messages
 316# Especially if we have the component join MUC for notifications
 317message(type: :groupchat) { true }
 318
 319def billable_message(m)
 320	b = m.body
 321	b && !b.empty? || m.find("ns:x", ns: OOB.registered_ns).first
 322end
 323
 324def expired_guard(customer)
 325	return if !customer.plan_name || customer.active?
 326
 327	raise CustomerExpired, "Your account is expired, please top up"
 328end
 329
 330class OverLimit < StandardError
 331	def initialize(customer, usage)
 332		super("Please contact support")
 333		@customer = customer
 334		@usage = usage
 335	end
 336
 337	def notify_admin
 338		ExpiringLock.new("jmp_usage_notify-#{@customer.customer_id}").with do
 339			BLATHER.join(CONFIG[:notify_admin], "sgx-jmp")
 340			BLATHER.say(
 341				CONFIG[:notify_admin], "#{@customer.customer_id} has used " \
 342				"#{@usage[:today]} messages today (global #{@usage[:body]} this body)",
 343				:groupchat
 344			)
 345		end
 346	end
 347end
 348
 349class CustomerExpired < StandardError; end
 350
 351CONFIG[:direct_targets].each do |(tel, jid)|
 352	customer_repo = CustomerRepo.new(
 353		sgx_repo: TrivialBackendSgxRepo.new(jid: jid),
 354		set_user: Sentry.method(:set_user)
 355	)
 356
 357	message to: /\A#{Regexp.escape(tel)}@#{CONFIG[:component][:jid]}\/?/ do |m|
 358		customer_repo.find_by_jid(m.from.stripped).then { |customer|
 359			customer.stanza_from(m)
 360		}.catch_only(CustomerRepo::NotFound) {
 361			# This should not happen, but let's still get the message
 362			# to support at least if it does
 363			m.from = ProxiedJID.proxy(m.from, CONFIG[:component][:jid])
 364			m.to = jid
 365			BLATHER << m
 366		}
 367	end
 368end
 369
 370CONFIG[:direct_sources].each do |(jid, tel)|
 371	customer_repo = CustomerRepo.new(
 372		sgx_repo: TrivialBackendSgxRepo.new(jid: jid),
 373		set_user: Sentry.method(:set_user)
 374	)
 375	message to: /\Acustomer_/, from: /\A#{Regexp.escape(jid)}\/?/ do |m|
 376		customer_repo.find(m.to.node.delete_prefix("customer_")).then { |customer|
 377			m.from = "#{tel}@sgx-jmp" # stanza_to will fix domain
 378			customer.stanza_to(m)
 379		}.catch_only(CustomerRepo::NotFound) { |e|
 380			BLATHER << m.as_error("item-not-found", :cancel, e.message)
 381		}
 382	end
 383end
 384
 385def find_from_and_to_customer(from, to)
 386	(
 387		# TODO: group text?
 388		to.node ? CustomerRepo.new.find_by_tel(to.node) : EMPromise.resolve(nil)
 389	).catch_only(CustomerRepo::NotFound) { nil }.then { |target_customer|
 390		sgx_repo = target_customer ? Bwmsgsv2Repo.new : TrivialBackendSgxRepo.new
 391		EMPromise.all([
 392			CustomerRepo.new(set_user: Sentry.method(:set_user), sgx_repo: sgx_repo)
 393				.find_by_jid(from.stripped),
 394			target_customer
 395		])
 396	}
 397end
 398
 399message do |m|
 400	StatsD.increment("message")
 401
 402	find_from_and_to_customer(m.from, m.to).then { |(customer, target_customer)|
 403		if target_customer && customer.registered?
 404			m.from = "#{customer.registered?.phone}@sgx-jmp"
 405			next target_customer.stanza_to(m)
 406		end
 407
 408		next customer.stanza_from(m) unless billable_message(m)
 409
 410		expired_guard(customer)
 411
 412		EMPromise.all([
 413			TrustLevelRepo.new.find(customer),
 414			customer.incr_message_usage(1, m.body)
 415		]).then { |(tl, usage)|
 416			next if tl.send_message?(usage[:today]) && usage[:body] < 5
 417
 418			log.warn "OverLimit", m
 419			raise OverLimit.new(customer, usage)
 420		}.then do
 421			customer.stanza_from(m)
 422		end
 423	}.catch_only(OverLimit) { |e|
 424		e.notify_admin
 425		BLATHER << m.as_error("policy-violation", :wait, e.message)
 426	}.catch_only(CustomerRepo::NotFound, CustomerExpired) { |e|
 427		BLATHER << m.as_error("forbidden", :auth, e.message)
 428	}
 429end
 430
 431disco_info to: Blather::JID.new(CONFIG[:component][:jid]) do |iq|
 432	reply = iq.reply
 433	reply.identities = [{
 434		name: "JMP.chat",
 435		type: "sms",
 436		category: "gateway"
 437	}]
 438	reply.features = [
 439		"http://jabber.org/protocol/disco#info",
 440		"http://jabber.org/protocol/commands"
 441	]
 442	form = Blather::Stanza::X.find_or_create(reply.query)
 443	form.type = "result"
 444	form.fields = [
 445		{
 446			var: "FORM_TYPE",
 447			type: "hidden",
 448			value: "http://jabber.org/network/serverinfo"
 449		}
 450	] + CONFIG[:xep0157]
 451	self << reply
 452end
 453
 454disco_info do |iq|
 455	reply = iq.reply
 456	reply.identities = [{
 457		name: "JMP.chat",
 458		type: "sms",
 459		category: "client"
 460	}]
 461	reply.features = [
 462		"urn:xmpp:receipts"
 463	]
 464	self << reply
 465end
 466
 467disco_items(
 468	to: Blather::JID.new(CONFIG[:component][:jid]),
 469	node: "http://jabber.org/protocol/commands"
 470) do |iq|
 471	StatsD.increment("command_list")
 472
 473	reply = iq.reply
 474	reply.node = "http://jabber.org/protocol/commands"
 475
 476	CustomerRepo.new(
 477		sgx_repo: Bwmsgsv2Repo.new,
 478		set_user: Sentry.method(:set_user)
 479	).find_by_jid(
 480		iq.from.stripped
 481	).catch {
 482		nil
 483	}.then { |customer|
 484		CommandList.for(customer, iq.from)
 485	}.then { |list|
 486		reply.items = list.map { |item|
 487			Blather::Stanza::DiscoItems::Item.new(
 488				iq.to,
 489				item[:node],
 490				item[:name]
 491			)
 492		}
 493		self << reply
 494	}
 495end
 496
 497iq "/iq/ns:services", ns: "urn:xmpp:extdisco:2" do |iq|
 498	StatsD.increment("extdisco")
 499
 500	reply = iq.reply
 501	reply << Nokogiri::XML::Builder.new {
 502		services(xmlns: "urn:xmpp:extdisco:2") do
 503			service(
 504				type: "sip",
 505				host: CONFIG[:sip_host]
 506			)
 507		end
 508	}.doc.root
 509
 510	self << reply
 511end
 512
 513Command.new(
 514	"jabber:iq:register",
 515	"Register",
 516	list_for: ->(*) { true },
 517	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 518) {
 519	google_play_userid = if Command.execution.iq.from.domain == "cheogram.com"
 520		Command.execution.iq.command.find(
 521			"./ns:userId", ns: "https://ns.cheogram.com/google-play"
 522		)&.first&.content
 523	end
 524	Command.customer.catch_only(CustomerRepo::NotFound) {
 525		Sentry.add_breadcrumb(Sentry::Breadcrumb.new(message: "Customer.create"))
 526		Command.execution.customer_repo.create(Command.execution.iq.from.stripped)
 527	}.then { |customer|
 528		Sentry.add_breadcrumb(Sentry::Breadcrumb.new(message: "Registration.for"))
 529		Registration.for(customer, google_play_userid, TEL_SELECTIONS).then(&:write)
 530	}.then {
 531		StatsD.increment("registration.completed")
 532	}.catch_only(Command::Execution::FinalStanza) do |e|
 533		StatsD.increment("registration.completed")
 534		EMPromise.reject(e)
 535	end
 536}.register(self).then(&CommandList.method(:register))
 537
 538Command.new(
 539	"info",
 540	"👤 Show Account Info",
 541	list_for: ->(*) { true },
 542	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 543) {
 544	Command.customer.then(&CustomerInfo.method(:for)).then do |info|
 545		Command.finish do |reply|
 546			reply.command << info.form
 547		end
 548	end
 549}.register(self).then(&CommandList.method(:register))
 550
 551Command.new(
 552	"cdrs",
 553	"📲 Show Call Logs"
 554) {
 555	report_for = ((Date.today << 1)..Date.today)
 556
 557	Command.customer.then { |customer|
 558		CDRRepo.new.find_range(customer, report_for)
 559	}.then do |cdrs|
 560		Command.finish do |reply|
 561			reply.command << FormTemplate.render("customer_cdr", cdrs: cdrs)
 562		end
 563	end
 564}.register(self).then(&CommandList.method(:register))
 565
 566Command.new(
 567	"transactions",
 568	"🧾 Show Transactions",
 569	list_for: ->(customer:, **) { !!customer&.currency }
 570) {
 571	Command.customer.then(&:transactions).then do |txs|
 572		Command.finish do |reply|
 573			reply.command << FormTemplate.render("transactions", transactions: txs)
 574		end
 575	end
 576}.register(self).then(&CommandList.method(:register))
 577
 578Command.new(
 579	"configure calls",
 580	"📞 Configure Calls",
 581	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 582) {
 583	Command.customer.then do |customer|
 584		cc_form = ConfigureCallsForm.new(customer)
 585		Command.reply { |reply|
 586			reply.allowed_actions = [:next]
 587			reply.command << cc_form.render
 588		}.then { |iq|
 589			EMPromise.all(cc_form.parse(iq.form).map { |k, v|
 590				Command.execution.customer_repo.public_send("put_#{k}", customer, v)
 591			})
 592		}.then { Command.finish("Configuration saved!") }
 593	end
 594}.register(self).then(&CommandList.method(:register))
 595
 596Command.new(
 597	"ogm",
 598	"⏺️ Record Voicemail Greeting",
 599	list_for: ->(fwd: nil, **) { fwd&.voicemail_enabled? },
 600	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 601) {
 602	Command.customer.then do |customer|
 603		customer.fwd.create_call(CONFIG[:creds][:account]) do |cc|
 604			cc.from = customer.registered?.phone
 605			cc.application_id = CONFIG[:sip][:app]
 606			cc.answer_url = "#{CONFIG[:web_root]}/ogm/start?" \
 607			                "customer_id=#{customer.customer_id}"
 608		end
 609		Command.finish("You will now receive a call.")
 610	end
 611}.register(self).then(&CommandList.method(:register))
 612
 613Command.new(
 614	"migrate billing",
 615	"🏦 Switch to new billing",
 616	list_for: ->(tel:, customer:, **) { tel && !customer&.currency },
 617	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 618) {
 619	EMPromise.all([
 620		Command.customer,
 621		Command.reply do |reply|
 622			reply.allowed_actions = [:next]
 623			reply.command << FormTemplate.render("migrate_billing")
 624		end
 625	]).then do |(customer, iq)|
 626		plan_name = iq.form.field("plan_name").value.to_s
 627		customer = customer.with_plan(plan_name)
 628		customer.save_plan!.then {
 629			Registration::Payment.for(
 630				iq, customer, customer.registered?.phone,
 631				finish: PaypalDone
 632			)
 633		}.then(&:write).catch_only(Command::Execution::FinalStanza) do |s|
 634			BLATHER.join(CONFIG[:notify_admin], "sgx-jmp")
 635			BLATHER.say(
 636				CONFIG[:notify_admin],
 637				"#{customer.customer_id} migrated to #{customer.currency}",
 638				:groupchat
 639			)
 640			EMPromise.reject(s)
 641		end
 642	end
 643}.register(self).then(&CommandList.method(:register))
 644
 645Command.new(
 646	"credit cards",
 647	"💳 Credit Card Settings and Management",
 648	list_for: ->(customer:, **) { !!customer&.currency }
 649) {
 650	Command.customer.then do |customer|
 651		url = CONFIG[:credit_card_url].call(
 652			customer.jid.to_s.gsub("\\", "%5C"),
 653			customer.customer_id
 654		)
 655		desc = "Manage credits cards and settings"
 656		Command.finish("#{desc}: #{url}") do |reply|
 657			oob = OOB.find_or_create(reply.command)
 658			oob.url = url
 659			oob.desc = desc
 660		end
 661	end
 662}.register(self).then(&CommandList.method(:register))
 663
 664Command.new(
 665	"top up",
 666	"💲 Buy Account Credit by Credit Card",
 667	list_for: ->(payment_methods: [], **) { !payment_methods.empty? },
 668	format_error: ->(e) { "Failed to buy credit, system said: #{e.message}" }
 669) {
 670	Command.customer.then { |customer|
 671		BuyAccountCreditForm.for(customer).then do |credit_form|
 672			Command.reply { |reply|
 673				reply.allowed_actions = [:complete]
 674				reply.command << credit_form.form
 675			}.then do |iq|
 676				CreditCardSale.create(customer, **credit_form.parse(iq.form))
 677			end
 678		end
 679	}.then { |transaction|
 680		Command.finish("#{transaction} added to your account balance.")
 681	}.catch_only(
 682		AmountTooHighError,
 683		AmountTooLowError
 684	) do |e|
 685		Command.finish(e.message, type: :error)
 686	end
 687}.register(self).then(&CommandList.method(:register))
 688
 689Command.new(
 690	"alt top up",
 691	"🪙 Buy Account Credit by Bitcoin, Mail, or Interac e-Transfer",
 692	list_for: ->(customer:, **) { !!customer&.currency }
 693) {
 694	Command.customer.then { |customer|
 695		AltTopUpForm.for(customer)
 696	}.then do |alt_form|
 697		Command.reply { |reply|
 698			reply.allowed_actions = [:complete]
 699			reply.command << alt_form.form
 700		}.then do |iq|
 701			Command.finish { |reply| alt_form.parse(iq.form).action(reply) }
 702		end
 703	end
 704}.register(self).then(&CommandList.method(:register))
 705
 706Command.new(
 707	"plan settings",
 708	"📝 Manage your plan, including overage limits",
 709	list_for: ->(customer:, **) { !!customer&.currency }
 710) {
 711	Command.customer.then { |customer|
 712		EMPromise.all([
 713			REDIS.get("jmp_customer_monthly_data_limit-#{customer.customer_id}"),
 714			SIMRepo.new.owned_by(customer)
 715		]).then { |(limit, sims)| [customer, sims, limit] }
 716	}.then do |(customer, sims, limit)|
 717		Command.reply { |reply|
 718			reply.allowed_actions = [:next]
 719			reply.command << FormTemplate.render(
 720				"plan_settings", customer: customer, sims: sims, data_limit: limit
 721			)
 722		}.then { |iq|
 723			kwargs = {
 724				monthly_overage_limit: iq.form.field("monthly_overage_limit")&.value,
 725				monthly_data_limit: iq.form.field("monthly_data_limit")&.value
 726			}.compact
 727			Command.execution.customer_repo.put_monthly_limits(customer, **kwargs)
 728		}.then { Command.finish("Configuration saved!") }
 729	end
 730}.register(self).then(&CommandList.method(:register))
 731
 732Command.new(
 733	"referral codes",
 734	"👥 Refer a friend for free credit",
 735	list_for: ->(customer:, **) { !!customer&.currency }
 736) {
 737	repo = InvitesRepo.new
 738	Command.customer.then { |customer|
 739		EMPromise.all([
 740			repo.find_or_create_group_code(customer.customer_id),
 741			repo.unused_invites(customer.customer_id)
 742		])
 743	}.then do |(group_code, invites)|
 744		if invites.empty?
 745			Command.finish(
 746				"This code will provide credit equivalent to one month of service " \
 747				"to anyone after they sign up and pay: #{group_code}\n\n" \
 748				"You will receive credit equivalent to one month of service once " \
 749				"their payment clears."
 750			)
 751		else
 752			Command.finish do |reply|
 753				reply.command << FormTemplate.render(
 754					"codes",
 755					invites: invites,
 756					group_code: group_code
 757				)
 758			end
 759		end
 760	end
 761}.register(self).then(&CommandList.method(:register))
 762
 763# Assumes notify_from is a direct target
 764notify_to = CONFIG[:direct_targets].fetch(
 765	Blather::JID.new(CONFIG[:notify_from]).node.to_sym
 766)
 767
 768Command.new(
 769	"sims",
 770	"📶 (e)SIM Details",
 771	list_for: ->(customer:, **) { CONFIG[:keepgo] && !!customer&.currency },
 772	customer_repo: CustomerRepo.new(
 773		sgx_repo: TrivialBackendSgxRepo.new(jid: notify_to)
 774	)
 775) {
 776	Command.customer.then { |customer|
 777		EMPromise.all([customer, SIMRepo.new.owned_by(customer)])
 778	}.then do |(customer, sims)|
 779		Command.reply { |reply|
 780			reply.command << FormTemplate.render("sim_details", sims: sims)
 781		}.then { |iq|
 782			case iq.form.field("http://jabber.org/protocol/commands#actions")&.value
 783			when "order-sim"
 784				SIMOrder.for(customer, **CONFIG.dig(:sims, :sim, customer.currency))
 785			when "order-esim"
 786				SIMOrder::ESIM.for(
 787					customer, **CONFIG.dig(:sims, :esim, customer.currency)
 788				)
 789			when "edit-nicknames"
 790				EditSimNicknames.new(customer, sims)
 791			else
 792				Command.finish
 793			end
 794		}.then(&:process)
 795	end
 796}.register(self).then(&CommandList.method(:register))
 797
 798Command.new(
 799	"subaccount",
 800	"➕️ Create a new phone number linked to this balance",
 801	list_for: lambda do |customer:, **|
 802		!!customer&.currency &&
 803		customer&.billing_customer_id == customer&.customer_id
 804	end
 805) {
 806	cheogram = Command.execution.iq.from.resource =~ /\ACheogram/
 807	Command.customer.then do |customer|
 808		ParentCodeRepo.new.find_or_create(customer.customer_id).then do |code|
 809			Command.finish { |reply|
 810				reply.command << FormTemplate.render(
 811					"subaccount", code: code, cheogram: cheogram
 812				)
 813			}
 814		end
 815	end
 816}.register(self).then(&CommandList.method(:register))
 817
 818Command.new(
 819	"reset sip account",
 820	"☎️ Create or Reset SIP Account",
 821	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 822) {
 823	Command.customer.then do |customer|
 824		sip_account = customer.reset_sip_account
 825		Command.reply { |reply|
 826			reply.allowed_actions = [:next]
 827			form = sip_account.form
 828			form.type = :form
 829			form.fields += [{
 830				type: :boolean, var: "change_fwd",
 831				label: "Should inbound calls forward to this SIP account?"
 832			}]
 833			reply.command << form
 834		}.then do |fwd|
 835			if ["1", "true"].include?(fwd.form.field("change_fwd")&.value.to_s)
 836				Command.execution.customer_repo.put_fwd(
 837					customer,
 838					customer.fwd.with(uri: sip_account.uri)
 839				).then { Command.finish("Inbound calls will now forward to SIP.") }
 840			else
 841				Command.finish
 842			end
 843		end
 844	end
 845}.register(self).then(&CommandList.method(:register))
 846
 847Command.new(
 848	"lnp",
 849	"#️⃣ Port in your number from another carrier",
 850	list_for: ->(**) { true },
 851	customer_repo: CustomerRepo.new(
 852		sgx_repo: TrivialBackendSgxRepo.new(jid: notify_to)
 853	)
 854) {
 855	Command.customer.then do |customer|
 856		Command.reply { |reply|
 857			reply.allowed_actions = [:next]
 858			reply.command << FormTemplate.render("lnp")
 859		}.then { |iq|
 860			PortInOrder.parse(customer, iq.form).complete_with do |form|
 861				Command.reply { |reply|
 862					reply.allowed_actions = [:next]
 863					reply.command << form
 864				}.then(&:form)
 865			end
 866		}.then do |order|
 867			unless order.already_inservice?
 868				order_id = BandwidthIris::PortIn.create(order.to_h)[:order_id]
 869				customer.stanza_from(Blather::Stanza::Message.new(
 870					"",
 871					order.message(order_id)
 872				))
 873				Command.finish(
 874					"Your port-in request has been accepted, " \
 875					"support will contact you with next steps"
 876				)
 877			end
 878		end
 879	end
 880}.register(self).then(&CommandList.method(:register))
 881
 882Command.new(
 883	"set-port-out-pin",
 884	"🔐 Set Port-out PIN",
 885	list_for: lambda do |sgx_commands:, **|
 886		sgx_commands.any? { |item|
 887			item.node == "set-port-out-pin"
 888		}
 889	end
 890) {
 891	Command.customer.then do |customer|
 892		Command.reply { |reply|
 893			reply.command << FormTemplate.render("set_port_out_pin")
 894		}.then { |iq|
 895			pin = iq.form.field("pin")&.value.to_s
 896			confirm_pin = iq.form.field("confirm_pin")&.value.to_s
 897
 898			unless pin.match?(/\A[\w\d]{4,10}\Z/)
 899				raise "PIN must be between 4 and 10 alphanumeric characters."
 900			end
 901
 902			raise "PIN and confirm PIN must match." unless pin == confirm_pin
 903
 904			customer.port_out_pin.set(pin)
 905		}.then {
 906			Command.finish("Your port-out PIN has been set.")
 907		}.catch_only(BackendSgx::CanceledError) do |e|
 908			Command.finish(e.message, status: :canceled)
 909		end
 910	end
 911}.register(self).then(&CommandList.method(:register))
 912
 913Command.new(
 914	"terminate account",
 915	"❌ Cancel your account and terminate your phone number",
 916	list_for: ->(**) { false },
 917	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
 918) {
 919	Command.reply { |reply|
 920		reply.allowed_actions = [:next]
 921		reply.note_text = "Press next to confirm your account termination."
 922	}.then { Command.customer }.then { |customer|
 923		AdminAction::CancelCustomer.call(
 924			customer,
 925			customer_repo: Command.execution.customer_repo
 926		)
 927	}.then do
 928		Command.finish("Account cancelled")
 929	end
 930}.register(self).then(&CommandList.method(:register))
 931
 932Command.new(
 933	"customer info",
 934	"Show Customer Info",
 935	list_for: ->(customer: nil, **) { customer&.admin? }
 936) {
 937	Command.customer.then do |customer|
 938		raise AuthError, "You are not an admin" unless customer&.admin?
 939
 940		customer_repo = CustomerRepo.new(
 941			sgx_repo: Bwmsgsv2Repo.new,
 942			bandwidth_tn_repo: EmptyRepo.new(BandwidthTnRepo.new) # No CNAM in admin
 943		)
 944
 945		AdminCommand::NoUser.new(customer_repo).start
 946	end
 947}.register(self).then(&CommandList.method(:register))
 948
 949Command.new(
 950	"reachability",
 951	"Test Reachability",
 952	list_for: ->(customer: nil, **) { customer&.admin? }
 953) {
 954	Command.customer.then do |customer|
 955		raise AuthError, "You are not an admin" unless customer&.admin?
 956
 957		form = ReachabilityForm.new(CustomerRepo.new)
 958
 959		Command.reply { |reply|
 960			reply.allowed_actions = [:next]
 961			reply.command << form.render
 962		}.then { |response|
 963			form.parse(response.form)
 964		}.then { |result|
 965			result.repo.get_or_create(result.target).then { |v|
 966				result.target.stanza_from(result.prompt) if result.prompt
 967
 968				Command.finish { |reply|
 969					reply.command << form.render_result(v)
 970				}
 971			}
 972		}.catch_only(RuntimeError) { |e|
 973			Command.finish(e, type: :error)
 974		}
 975	end
 976}.register(self).then(&CommandList.method(:register))
 977
 978Command.new(
 979	"snikket",
 980	"Launch Snikket Instance",
 981	list_for: ->(customer: nil, **) { customer&.admin? }
 982) {
 983	Command.customer.then do |customer|
 984		raise AuthError, "You are not an admin" unless customer&.admin?
 985
 986		Command.reply { |reply|
 987			reply.allowed_actions = [:next]
 988			reply.command << FormTemplate.render("snikket_launch")
 989		}.then { |response|
 990			domain = response.form.field("domain").value.to_s
 991			test_instance = response.form.field("test_instance")&.value.to_s
 992			IQ_MANAGER.write(Snikket::Launch.new(
 993				nil, CONFIG[:snikket_hosting_api],
 994				domain: domain, test_instance: test_instance
 995			)).then do |launched|
 996				Snikket::CustomerInstance.for(customer, domain, launched)
 997			end
 998		}.then { |instance|
 999			Command.finish do |reply|
1000				reply.command << FormTemplate.render(
1001					"snikket_launched",
1002					instance: instance
1003				)
1004			end
1005		}
1006	end
1007}.register(self).then(&CommandList.method(:register))
1008
1009Command.new(
1010	"stop snikket",
1011	"STOP Snikket Instance",
1012	list_for: ->(customer: nil, **) { customer&.admin? }
1013) {
1014	Command.customer.then do |customer|
1015		raise AuthError, "You are not an admin" unless customer&.admin?
1016
1017		Command.reply { |reply|
1018			reply.allowed_actions = [:next]
1019			reply.command << FormTemplate.render("snikket_stop")
1020		}.then { |response|
1021			instance_id = response.form.field("instance_id").value.to_s
1022			IQ_MANAGER.write(Snikket::Stop.new(
1023				nil, CONFIG[:snikket_hosting_api],
1024				instance_id: instance_id
1025			))
1026		}.then { |iq|
1027			Command.finish(iq.to_s)
1028		}
1029	end
1030}.register(self).then(&CommandList.method(:register))
1031
1032Command.new(
1033	"delete snikket",
1034	"DELETE Snikket Instance",
1035	list_for: ->(customer: nil, **) { customer&.admin? }
1036) {
1037	Command.customer.then do |customer|
1038		raise AuthError, "You are not an admin" unless customer&.admin?
1039
1040		Command.reply { |reply|
1041			reply.allowed_actions = [:next]
1042			reply.command << FormTemplate.render("snikket_delete")
1043		}.then { |response|
1044			instance_id = response.form.field("instance_id").value.to_s
1045			IQ_MANAGER.write(Snikket::Delete.new(
1046				nil, CONFIG[:snikket_hosting_api],
1047				instance_id: instance_id
1048			))
1049		}.then { |iq|
1050			Command.finish(iq.to_s)
1051		}
1052	end
1053}.register(self).then(&CommandList.method(:register))
1054
1055Command.new(
1056	"find snikket",
1057	"Lookup Snikket Instance",
1058	list_for: ->(customer: nil, **) { customer&.admin? }
1059) {
1060	Command.customer.then do |customer|
1061		raise AuthError, "You are not an admin" unless customer&.admin?
1062
1063		Command.reply { |reply|
1064			reply.allowed_actions = [:next]
1065			reply.command << FormTemplate.render("snikket_launch")
1066		}.then { |response|
1067			domain = response.form.field("domain").value.to_s
1068			IQ_MANAGER.write(Snikket::DomainInfo.new(
1069				nil, CONFIG[:snikket_hosting_api],
1070				domain: domain
1071			))
1072		}.then { |instance|
1073			Command.finish do |reply|
1074				reply.command << FormTemplate.render(
1075					"snikket_result",
1076					instance: instance
1077				)
1078			end
1079		}
1080	end
1081}.register(self).then(&CommandList.method(:register))
1082
1083def reply_with_note(iq, text, type: :info)
1084	reply = iq.reply
1085	reply.status = :completed
1086	reply.note_type = type
1087	reply.note_text = text
1088
1089	self << reply
1090end
1091
1092Command.new(
1093	"https://ns.cheogram.com/sgx/jid-switch",
1094	"Change JID",
1095	list_for: lambda { |customer: nil, from_jid: nil, **|
1096		customer || from_jid.to_s =~ Regexp.new(CONFIG[:onboarding_domain])
1097	},
1098	customer_repo: CustomerRepo.new(sgx_repo: Bwmsgsv2Repo.new)
1099) {
1100	Command.customer.then { |customer|
1101		Command.reply { |reply|
1102			reply.command << FormTemplate.render("jid_switch")
1103		}.then { |response|
1104			new_jid = response.form.field("jid").value
1105			repo = Command.execution.customer_repo
1106			repo.find_by_jid(new_jid).catch_only(CustomerRepo::NotFound) { nil }
1107				.then { |cust|
1108					next EMPromise.reject("Customer Already Exists") if cust
1109
1110					repo.change_jid(customer, new_jid)
1111				}
1112		}.then {
1113			StatsD.increment("changejid.completed")
1114			jid = ProxiedJID.new(customer.jid).unproxied
1115			if jid.domain == CONFIG[:onboarding_domain]
1116				CustomerRepo.new.find(customer.customer_id).then do |cust|
1117					WelcomeMessage.new(cust, customer.registered?.phone).welcome
1118				end
1119			end
1120			Command.finish { |reply|
1121				reply.note_type = :info
1122				reply.note_text = "Customer JID Changed"
1123			}
1124		}
1125	}
1126}.register(self).then(&CommandList.method(:register))
1127
1128Command.new(
1129	"web-register",
1130	"Initiate Register from Web",
1131	list_for: lambda { |from_jid: nil, **|
1132		from_jid&.stripped.to_s == CONFIG[:web_register][:from]
1133	}
1134) {
1135	if Command.execution.iq.from.stripped != CONFIG[:web_register][:from]
1136		next EMPromise.reject(
1137			Command::Execution::FinalStanza.new(iq.as_error("forbidden", :auth))
1138		)
1139	end
1140
1141	Command.reply { |reply|
1142		reply.command << FormTemplate.render("web_register")
1143	}.then do |iq|
1144		jid = iq.form.field("jid")&.value.to_s.strip
1145		tel = iq.form.field("tel")&.value.to_s.strip
1146		if jid !~ /\./ || jid =~ /\s/
1147			Command.finish("The Jabber ID you entered was not valid.", type: :error)
1148		elsif tel !~ /\A\+\d+\Z/
1149			Command.finish("Invalid telephone number", type: :error)
1150		else
1151			IQ_MANAGER.write(Blather::Stanza::Iq::Command.new.tap { |cmd|
1152				cmd.to = CONFIG[:web_register][:to]
1153				cmd.node = "push-register"
1154				cmd.form.fields = [{ var: "to", value: jid }]
1155				cmd.form.type = "submit"
1156			}).then { |result|
1157				TEL_SELECTIONS.set_tel(result.form.field("from")&.value.to_s.strip, tel)
1158			}.then { Command.finish }
1159		end
1160	end
1161}.register(self).then(&CommandList.method(:register))
1162
1163command sessionid: /./ do |iq|
1164	COMMAND_MANAGER.fulfill(iq)
1165	IQ_MANAGER.fulfill(iq)
1166	true
1167end
1168
1169iq type: [:result, :error] do |iq|
1170	IQ_MANAGER.fulfill(iq)
1171	true
1172end
1173
1174iq type: [:get, :set] do |iq|
1175	StatsD.increment("unknown_iq")
1176
1177	self << Blather::StanzaError.new(iq, "feature-not-implemented", :cancel)
1178end
1179
1180trap(:INT) { EM.stop }
1181trap(:TERM) { EM.stop }
1182EM.run { client.run }