1# frozen_string_literal: true
2
3require "pg/em"
4require "bigdecimal"
5require "blather/client/dsl" # Require this first to not auto-include
6require "blather/client"
7require "braintree"
8require "date"
9require "dhall"
10require "em-hiredis"
11require "em_promise"
12require "ruby-bandwidth-iris"
13require "sentry-ruby"
14
15Sentry.init
16
17CONFIG =
18 Dhall::Coder
19 .new(safe: Dhall::Coder::JSON_LIKE + [Symbol, Proc])
20 .load(ARGV[0], transform_keys: ->(k) { k&.to_sym })
21
22Blather::Stanza.handler_list << :stanza
23singleton_class.class_eval do
24 include Blather::DSL
25 Blather::DSL.append_features(self)
26end
27
28require_relative "lib/backend_sgx"
29require_relative "lib/bandwidth_tn_order"
30require_relative "lib/btc_sell_prices"
31require_relative "lib/buy_account_credit_form"
32require_relative "lib/customer"
33require_relative "lib/electrum"
34require_relative "lib/em"
35require_relative "lib/payment_methods"
36require_relative "lib/registration"
37require_relative "lib/transaction"
38require_relative "lib/web_register_manager"
39
40ELECTRUM = Electrum.new(**CONFIG[:electrum])
41
42Faraday.default_adapter = :em_synchrony
43BandwidthIris::Client.global_options = {
44 account_id: CONFIG[:creds][:account],
45 username: CONFIG[:creds][:username],
46 password: CONFIG[:creds][:password]
47}
48
49def new_sentry_hub(stanza, name: nil)
50 hub = Sentry.get_current_hub&.new_from_top
51 raise "Sentry.init has not been called" unless hub
52
53 hub.push_scope
54 hub.current_scope.clear_breadcrumbs
55 hub.current_scope.set_transaction_name(name) if name
56 hub.current_scope.set_user(jid: stanza.from.stripped.to_s)
57 hub
58end
59
60# Braintree is not async, so wrap in EM.defer for now
61class AsyncBraintree
62 def initialize(environment:, merchant_id:, public_key:, private_key:, **)
63 @gateway = Braintree::Gateway.new(
64 environment: environment,
65 merchant_id: merchant_id,
66 public_key: public_key,
67 private_key: private_key
68 )
69 end
70
71 def respond_to_missing?(m, *)
72 @gateway.respond_to?(m)
73 end
74
75 def method_missing(m, *args)
76 return super unless respond_to_missing?(m, *args)
77
78 EM.promise_defer(klass: PromiseChain) do
79 @gateway.public_send(m, *args)
80 end
81 end
82
83 class PromiseChain < EMPromise
84 def respond_to_missing?(*)
85 false # We don't actually know what we respond to...
86 end
87
88 def method_missing(m, *args)
89 return super if respond_to_missing?(m, *args)
90 self.then { |o| o.public_send(m, *args) }
91 end
92 end
93end
94
95BRAINTREE = AsyncBraintree.new(**CONFIG[:braintree])
96
97def panic(e, hub=nil)
98 m = e.respond_to?(:message) ? e.message : e
99 warn "Error raised during event loop: #{e.class}: #{m}"
100 warn e.backtrace if e.respond_to?(:backtrace)
101 if e.is_a?(::Exception)
102 (hub || Sentry).capture_exception(e, hint: { background: false })
103 else
104 (hub || Sentry).capture_message(e, hint: { background: false })
105 end
106 exit 1
107end
108
109EM.error_handler(&method(:panic))
110
111when_ready do
112 BLATHER = self
113 REDIS = EM::Hiredis.connect
114 BTC_SELL_PRICES = BTCSellPrices.new(REDIS, CONFIG[:oxr_app_id])
115 DB = PG::EM::Client.new(dbname: "jmp")
116 DB.type_map_for_results = PG::BasicTypeMapForResults.new(DB)
117 DB.type_map_for_queries = PG::BasicTypeMapForQueries.new(DB)
118
119 EM.add_periodic_timer(3600) do
120 ping = Blather::Stanza::Iq::Ping.new(:get, CONFIG[:server][:host])
121 ping.from = CONFIG[:component][:jid]
122 self << ping
123 end
124end
125
126# workqueue_count MUST be 0 or else Blather uses threads!
127setup(
128 CONFIG[:component][:jid],
129 CONFIG[:component][:secret],
130 CONFIG[:server][:host],
131 CONFIG[:server][:port],
132 nil,
133 nil,
134 workqueue_count: 0
135)
136
137message to: /\Aaccount@/ do |m|
138 self << m.reply.tap do |out|
139 out.body = "This bot is deprecated. Please talk to xmpp:cheogram.com"
140 end
141end
142
143stanza to: /\Acustomer_/, from: /@#{CONFIG[:sgx]}(\/|\Z)/ do |s|
144 sentry_hub = new_sentry_hub(s, name: "stanza_customer")
145 Customer.for_customer_id(
146 m.to.node.delete_prefix("customer_")
147 ).then { |customer|
148 sentry_hub.current_scope.set_user(
149 id: customer.customer_id,
150 jid: s.from.stripped.to_s
151 )
152 customer.stanza_to(s)
153 }.catch { |e| panic(e, sentry_hub) }
154end
155
156message do |m|
157 sentry_hub = new_sentry_hub(m, name: "message")
158 Customer.for_jid(m.from.stripped).then { |customer|
159 sentry_hub.current_scope.set_user(
160 id: customer.customer_id,
161 jid: m.from.stripped.to_s
162 )
163 today = Time.now.utc.to_date
164 EMPromise.all([
165 REDIS.zremrangebylex(
166 "jmp_customer_outbound_messages-#{customer.customer_id}",
167 "-",
168 # Store message counts per day for 1 year
169 "[#{(today << 12).strftime('%Y%m%d')}"
170 ),
171 REDIS.zincrby(
172 "jmp_customer_outbound_messages-#{customer.customer_id}",
173 1,
174 today.strftime("%Y%m%d")
175 ),
176 customer.stanza_from(m)
177 ])
178 }.catch { |e| panic(e, sentry_hub) }
179end
180
181message :error? do |m|
182 puts "MESSAGE ERROR: #{m.inspect}"
183end
184
185class SessionManager
186 def initialize(blather, id_msg, timeout: 5)
187 @blather = blather
188 @sessions = {}
189 @id_msg = id_msg
190 @timeout = timeout
191 end
192
193 def promise_for(stanza)
194 id = "#{stanza.to.stripped}/#{stanza.public_send(@id_msg)}"
195 @sessions.fetch(id) do
196 @sessions[id] = EMPromise.new
197 EM.add_timer(@timeout) do
198 @sessions.delete(id)&.reject(:timeout)
199 end
200 @sessions[id]
201 end
202 end
203
204 def write(stanza)
205 promise = promise_for(stanza)
206 @blather << stanza
207 promise
208 end
209
210 def fulfill(stanza)
211 id = "#{stanza.from.stripped}/#{stanza.public_send(@id_msg)}"
212 if stanza.error?
213 @sessions.delete(id)&.reject(stanza)
214 else
215 @sessions.delete(id)&.fulfill(stanza)
216 end
217 end
218end
219
220IQ_MANAGER = SessionManager.new(self, :id)
221COMMAND_MANAGER = SessionManager.new(self, :sessionid, timeout: 60 * 60)
222web_register_manager = WebRegisterManager.new
223
224disco_info to: Blather::JID.new(CONFIG[:component][:jid]) do |iq|
225 reply = iq.reply
226 reply.identities = [{
227 name: "JMP.chat",
228 type: "sms",
229 category: "gateway"
230 }]
231 form = Blather::Stanza::X.find_or_create(reply.query)
232 form.type = "result"
233 form.fields = [
234 {
235 var: "FORM_TYPE",
236 type: "hidden",
237 value: "http://jabber.org/network/serverinfo"
238 }
239 ] + CONFIG[:xep0157]
240 self << reply
241end
242
243disco_items node: "http://jabber.org/protocol/commands" do |iq|
244 reply = iq.reply
245 reply.items = [
246 { node: "number-display", name: "Display JMP Number" },
247 { node: "configure-calls", name: "Configure Calls" },
248 # TODO: don't show this item if no braintree methods available
249 # TODO: don't show this item if no plan for this customer
250 { node: "buy-credit", name: "Buy account credit" },
251 { node: "jabber:iq:register", name: "Register" },
252 { node: "usage", name: "Show Monthly Usage" },
253 { node: "reset sip account", name: "Create or Reset SIP Account" }
254 ].map do |item|
255 Blather::Stanza::DiscoItems::Item.new(
256 iq.to,
257 item[:node],
258 item[:name]
259 )
260 end
261 self << reply
262end
263
264command :execute?, node: "jabber:iq:register", sessionid: nil do |iq|
265 sentry_hub = new_sentry_hub(iq, name: iq.node)
266 EMPromise.resolve(nil).then {
267 Customer.for_jid(iq.from.stripped)
268 }.catch {
269 sentry_hub.add_breadcrumb(Sentry::Breadcrumb.new(
270 message: "Customer.create"
271 ))
272 Customer.create(iq.from.stripped)
273 }.then { |customer|
274 sentry_hub.current_scope.set_user(
275 id: customer.customer_id,
276 jid: iq.from.stripped.to_s
277 )
278 sentry_hub.add_breadcrumb(Sentry::Breadcrumb.new(
279 message: "Registration.for"
280 ))
281 Registration.for(
282 iq,
283 customer,
284 web_register_manager
285 ).then(&:write)
286 }.catch { |e| panic(e, sentry_hub) }
287end
288
289def reply_with_note(iq, text, type: :info)
290 reply = iq.reply
291 reply.status = :completed
292 reply.note_type = type
293 reply.note_text = text
294
295 self << reply
296end
297
298# Commands that just pass through to the SGX
299command node: ["number-display", "configure-calls"] do |iq|
300 sentry_hub = new_sentry_hub(iq, name: iq.node)
301 Customer.for_jid(iq.from.stripped).then { |customer|
302 sentry_hub.current_scope.set_user(
303 id: customer.customer_id,
304 jid: iq.from.stripped.to_s
305 )
306
307 customer.stanza_from(iq)
308 }.catch { |e| panic(e, sentry_hub) }
309end
310
311command :execute?, node: "buy-credit", sessionid: nil do |iq|
312 sentry_hub = new_sentry_hub(iq, name: iq.node)
313 reply = iq.reply
314 reply.allowed_actions = [:complete]
315
316 Customer.for_jid(iq.from.stripped).then { |customer|
317 BuyAccountCreditForm.for(customer).then do |credit_form|
318 credit_form.add_to_form(reply.form)
319 COMMAND_MANAGER.write(reply).then { |iq2| [customer, credit_form, iq2] }
320 end
321 }.then { |(customer, credit_form, iq2)|
322 iq = iq2 # This allows the catch to use it also
323 Transaction.sale(customer, **credit_form.parse(iq2.form))
324 }.then { |transaction|
325 transaction.insert.then { transaction.amount }
326 }.then { |amount|
327 reply_with_note(iq, "$#{'%.2f' % amount} added to your account balance.")
328 }.catch { |e|
329 sentry_hub.capture_exception(e)
330 text = "Failed to buy credit, system said: #{e.message}"
331 reply_with_note(iq, text, type: :error)
332 }.catch { |e| panic(e, sentry_hub) }
333end
334
335command :execute?, node: "reset sip account", sessionid: nil do |iq|
336 sentry_hub = new_sentry_hub(iq, name: iq.node)
337 Customer.for_jid(iq.from.stripped).then { |customer|
338 sentry_hub.current_scope.set_user(
339 id: customer.customer_id,
340 jid: iq.from.stripped.to_s
341 )
342 customer.reset_sip_account
343 }.then { |sip_account|
344 reply = iq.reply
345 reply.command << sip_account.form
346 BLATHER << reply
347 }.catch { |e| panic(e, sentry_hub) }
348end
349
350command :execute?, node: "usage", sessionid: nil do |iq|
351 sentry_hub = new_sentry_hub(iq, name: iq.node)
352 report_for = (Date.today..(Date.today << 1))
353
354 Customer.for_jid(iq.from.stripped).then { |customer|
355 sentry_hub.current_scope.set_user(
356 id: customer.customer_id,
357 jid: iq.from.stripped.to_s
358 )
359
360 customer.usage_report(report_for)
361 }.then { |usage_report|
362 reply = iq.reply
363 reply.status = :completed
364 reply.command << usage_report.form
365 BLATHER << reply
366 }.catch { |e| panic(e, sentry_hub) }
367end
368
369command :execute?, node: "web-register", sessionid: nil do |iq|
370 sentry_hub = new_sentry_hub(iq, name: iq.node)
371
372 begin
373 jid = iq.form.field("jid")&.value.to_s.strip
374 tel = iq.form.field("tel")&.value.to_s.strip
375 hub.current_scope.set_user(jid: jid, tel: tel)
376 if iq.from.stripped != CONFIG[:web_register][:from]
377 BLATHER << iq.as_error("forbidden", :auth)
378 elsif jid == "" || tel !~ /\A\+\d+\Z/
379 reply_with_note(iq, "Invalid JID or telephone number.", type: :error)
380 else
381 IQ_MANAGER.write(Blather::Stanza::Iq::Command.new.tap { |cmd|
382 cmd.to = CONFIG[:web_register][:to]
383 cmd.from = CONFIG[:component][:jid]
384 cmd.node = "push-register"
385 cmd.form.fields = [var: "to", value: jid]
386 cmd.form.type = "submit"
387 }).then { |result|
388 final_jid = result.form.field("from")&.value.to_s.strip
389 web_register_manager[final_jid] = tel
390 BLATHER << iq.reply.tap { |reply| reply.status = :completed }
391 }.catch { |e| panic(e, sentry_hub) }
392 end
393 rescue StandardError => e
394 sentry_hub.capture_exception(e)
395 end
396end
397
398command sessionid: /./ do |iq|
399 COMMAND_MANAGER.fulfill(iq)
400end
401
402iq :result? do |iq|
403 IQ_MANAGER.fulfill(iq)
404end
405
406iq :error? do |iq|
407 IQ_MANAGER.fulfill(iq)
408end