.gitignore 🔗
@@ -0,0 +1,3 @@
+Gemfile.lock
+.gems
+.bundle
Initial commit
Stephen Paul Weber created
Change summary
.gitignore | 3
.rubocop.yml | 147 +++++++++
COPYING | 661 ++++++++++++++++++++++++++++++++++++++++++
Gemfile | 11
lib/addresses.rb | 84 +++++
lib/blather_client.rb | 73 ++++
lib/blather_ext.rb | 9
lib/em.rb | 23 +
lib/incoming_mms.rb | 64 ++++
lib/oob.rb | 66 ++++
lib/outgoing_mms.rb | 42 ++
lib/proxied_jid.rb | 28 +
lib/registration_repo.rb | 54 +++
sgx_endstream.rb | 222 ++++++++++++++
14 files changed, 1,487 insertions(+)
Detailed changes
.rubocop.yml 🔗
@@ -0,0 +1,147 @@
+AllCops:
+ TargetRubyVersion: 2.5
+ NewCops: enable
+
+Metrics/ClassLength:
+ CountAsOne:
+ - heredoc
+ Exclude:
+ - test/*
+
+Metrics/MethodLength:
+ Exclude:
+ - test/*
+
+Metrics/BlockLength:
+ Exclude:
+ - test/*
+
+Metrics/AbcSize:
+ Exclude:
+ - test/*
+
+Metrics/ParameterLists:
+ Max: 8
+
+Naming/MethodParameterName:
+ AllowNamesEndingInNumbers: false
+ AllowedNames:
+ - io
+ - m
+ - e
+ - q
+ - s
+ - k
+ - v
+ - ex
+ - tx
+ - id
+ - iq
+ - db
+ - to
+ - tn
+
+Layout/IndentationStyle:
+ Enabled: false
+ EnforcedStyle: tabs
+ IndentationWidth: 2
+
+Layout/IndentationWidth:
+ Width: 1 # one tab
+
+Layout/LineLength:
+ Max: 80
+ Exclude:
+ - Gemfile
+
+Layout/EndAlignment:
+ EnforcedStyleAlignWith: start_of_line
+
+Layout/SpaceAroundEqualsInParameterDefault:
+ EnforcedStyle: no_space
+
+Layout/AccessModifierIndentation:
+ EnforcedStyle: outdent
+
+Layout/FirstParameterIndentation:
+ EnforcedStyle: consistent
+
+Layout/MultilineMethodCallIndentation:
+ EnforcedStyle: indented
+
+Style/AccessModifierDeclarations:
+ Enabled: false
+
+Style/ArrayCoercion:
+ Enabled: false
+
+Style/StringLiterals:
+ EnforcedStyle: double_quotes
+
+Style/NumericLiterals:
+ Enabled: false
+
+Style/SymbolArray:
+ EnforcedStyle: brackets
+
+Style/WordArray:
+ EnforcedStyle: brackets
+
+Style/Documentation:
+ Enabled: false
+
+Style/DoubleNegation:
+ EnforcedStyle: allowed_in_returns
+ Enabled: false
+
+Style/ParallelAssignment:
+ Enabled: false
+
+Style/PerlBackrefs:
+ Enabled: false
+
+Style/SpecialGlobalVars:
+ EnforcedStyle: use_perl_names
+
+Style/RegexpLiteral:
+ EnforcedStyle: slashes
+ AllowInnerSlashes: true
+
+Lint/OutOfRangeRegexpRef:
+ Enabled: false
+
+Lint/MissingSuper:
+ Enabled: false
+
+Lint/ConstantDefinitionInBlock:
+ AllowedMethods:
+ - when_ready
+
+Style/BlockDelimiters:
+ EnforcedStyle: semantic
+ AllowBracesOnProceduralOneLiners: true
+ ProceduralMethods:
+ - execute_command
+ - new
+
+Style/MultilineBlockChain:
+ Enabled: false
+
+Layout/FirstArgumentIndentation:
+ EnforcedStyle: consistent
+
+Layout/FirstArrayElementIndentation:
+ EnforcedStyle: consistent
+
+Style/FormatString:
+ EnforcedStyle: percent
+
+Style/FormatStringToken:
+ EnforcedStyle: unannotated
+
+Style/FrozenStringLiteralComment:
+ Exclude:
+ - forms/**/*.rb
+
+Naming/AccessorMethodName:
+ Enabled: false
COPYING 🔗
@@ -0,0 +1,661 @@
+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
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+ 12. No Surrender of Others' Freedom.
+
+ If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all. For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+ 13. Remote Network Interaction; Use with the GNU General Public License.
+
+ Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software. This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+ Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time. Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
Gemfile 🔗
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+gem "amazing_print"
+gem "blather", git: "https://github.com/adhearsion/blather.git", branch: "develop"
+gem "em-http-request", git: "https://github.com/singpolyma/em-http-request", branch: "fix-letsencrypt"
+gem "em_promise.rb"
+gem "ougai"
+gem "savon"
+
+gem "rubocop"
lib/addresses.rb 🔗
@@ -0,0 +1,84 @@
+# frozen_string_literal: true
+
+class Addresses < Blather::XMPPNode
+ include Enumerable
+ register :addresses, "http://jabber.org/protocol/address"
+
+ def self.new(addresses)
+ new_node = super :addresses
+
+ if addresses.is_a?(Array)
+ addresses.each do |address|
+ new_node << Address.new(**address)
+ end
+ end
+
+ new_node
+ end
+
+ def self.import(node)
+ ns = node.namespace&.href
+ klass = class_from_registration(node.element_name, ns)
+ # For some reason blather tries to import a message with us as a child as us
+ # So if we don't override this it leads to infinite recursion
+ if klass == Blather::Stanza::Message
+ Blather::Stanza::Message.new(node[:type]).inherit(node)
+ else
+ super
+ end
+ end
+
+ def each
+ find("./ns:address", ns: self.class.registered_ns).each do |node|
+ yield Address.import(node)
+ end
+ end
+
+ class Address < Blather::XMPPNode
+ register :address, "http://jabber.org/protocol/address"
+
+ def self.new(*, type: nil, jid: nil, uri: nil, delivered: nil)
+ new_node = super :address
+ new_node["type"] = type
+ new_node["jid"] = jid if jid
+ new_node["uri"] = uri if uri
+ new_node["delivered"] = delivered.to_s unless delivered.nil?
+ new_node
+ end
+
+ def type
+ self["type"]
+ end
+
+ def jid
+ if self["jid"]
+ Blather::JID.new(self["jid"])
+ else
+ Blather::JID.new(uri.sub(/\Asms:\+?/, ""), "mms.chat.1pcom.net")
+ end
+ end
+
+ def uri
+ self["uri"]
+ end
+
+ def delivered?
+ self["delivered"] == "true"
+ end
+ end
+end
+
+module Blather
+ class Stanza
+ class Message
+ def addresses
+ find(
+ "/message/ns:addresses",
+ ns: "http://jabber.org/protocol/address"
+ ).first&.then do |node|
+ Addresses.import(node)
+ end
+ end
+ end
+ end
+end
lib/blather_client.rb 🔗
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+class BlatherClient < Blather::Client
+ def handle_data(stanza)
+ EMPromise.resolve(nil).then {
+ with_sentry(stanza) do |scope|
+ Thread.current[:log] = ::LOG.child(
+ transaction: scope.transaction_name
+ )
+ super
+ rescue StandardError => e
+ handle_error(scope, stanza, e)
+ end
+ }.catch { |e| panic(e) }
+ end
+
+ def with_sentry(stanza)
+ Sentry.clone_hub_to_current_thread
+
+ Sentry.with_scope do |scope|
+ setup_scope(stanza, scope)
+ yield scope
+ ensure
+ scope.get_transaction&.then do |tx|
+ tx.set_status("ok") unless tx.status
+ tx.finish
+ end
+ end
+ end
+
+ def setup_scope(stanza, scope)
+ name = stanza.respond_to?(:node) ? stanza.node : stanza.name
+ scope.clear_breadcrumbs
+ scope.set_transaction_name(name)
+ scope.set_user(jid: stanza.from.stripped.to_s)
+
+ transaction = Sentry.start_transaction(
+ name: name,
+ op: "blather.handle_data"
+ )
+ scope.set_span(transaction) if transaction
+ end
+
+ def handle_error(scope, stanza, e)
+ log.error(
+ "Error raised during #{scope.transaction_name}: " \
+ "#{e.class}",
+ e
+ )
+ Sentry.capture_exception(e) unless e.is_a?(Sentry::Error)
+ scope.get_transaction&.set_status("internal_error")
+ return if e.respond_to?(:replied?) && e.replied?
+
+ write stanza.as_error("internal-server-error", :cancel)
+ end
+
+ def call_handler(handler, guards, stanza)
+ result = if guards.first.respond_to?(:to_str)
+ found = stanza.find(*guards)
+ throw :pass if found.empty?
+
+ handler.call(stanza, found)
+ else
+ throw :pass if guarded?(guards, stanza)
+
+ handler.call(stanza)
+ end
+
+ return result unless result.is_a?(Promise)
+
+ result.sync
+ end
+end
lib/blather_ext.rb 🔗
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Blather
+ class JID
+ def with(node: self.node, domain: self.domain, resource: self.resource)
+ self.class.new(node, domain, resource)
+ end
+ end
+end
lib/em.rb 🔗
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require "em_promise"
+
+module EM
+ def self.promise_defer(klass: EMPromise, &block)
+ promise = klass.new
+ EventMachine.defer(
+ block,
+ promise.method(:fulfill),
+ promise.method(:reject)
+ )
+ promise
+ end
+
+ def self.promise_timer(timeout)
+ promise = EMPromise.new
+ EM.add_timer(timeout) do
+ promise.fulfill(nil)
+ end
+ promise
+ end
+end
lib/incoming_mms.rb 🔗
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+class IncomingMMS
+ def self.for(to, json)
+ raise "Unknown encoding: #{json.inspect}" if json["encoding"] != "native"
+
+ txt, media = extract_parts(json)
+
+ EMPromise.all(
+ txt.map { |u|
+ EM::HttpRequest.new(u, tls: { verify_peer: true }).get.then(&:response)
+ }
+ ).then do |fetched_txt|
+ new(to, fetched_txt, media, clean_fake_array(json["recip"]))
+ end
+ end
+
+ def self.extract_parts(json)
+ clean_fake_array(json["files"])
+ .grep_v(/\.smil\Z/i)
+ .map { |part| "#{json['url']}&authkey=#{json['authkey']}&file=#{part}" }
+ .partition { |url| url.end_with?(".txt") }
+ end
+
+ def self.clean_fake_array(str)
+ # Instead of arrays we get sent comma-seperated strings
+ # which sometimes contain blank elements or random whitespace
+ str.to_s.split(",").map(&:strip).reject(&:empty?)
+ end
+
+ def initialize(to, txt, media, recip)
+ @to = to
+ @txt = txt
+ @media = media
+ @recip = recip
+ end
+
+ def unproxied_to
+ ProxiedJID.new(@to).unproxied
+ end
+
+ def oobs
+ @media.map(&OOB.method(:new))
+ end
+
+ def addresses
+ return nil if @recip.empty?
+
+ @addresses ||= Addresses.new(
+ [{ type: "to", jid: unproxied_to }] +
+ @recip.map { |r| { type: "to", uri: "sms:+#{r}", delivered: true } }
+ )
+ end
+
+ def to_stanza
+ Blather::Stanza::Message.new(
+ addresses ? unproxied_to.domain : unproxied_to,
+ @txt.empty? ? nil : @txt.join("\n\n")
+ ).tap do |m|
+ oobs.each { |oob| m << oob }
+ m << addresses if addresses
+ end
+ end
+end
lib/oob.rb 🔗
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require "blather"
+
+class OOB < Blather::XMPPNode
+ register :oob, "jabber:x:oob"
+
+ def self.new(url=nil, desc: nil)
+ new_node = super :x
+
+ case url
+ when Nokogiri::XML::Node
+ new_node.inherit url
+ else
+ new_node.url = url if url && url != "x" && url != :x
+ new_node.desc = desc if desc
+ end
+
+ new_node
+ end
+
+ def self.find_or_create(parent)
+ if (found_x = parent.find("ns:x", ns: registered_ns).first)
+ x = new(found_x)
+ found_x.remove
+ else
+ x = new
+ end
+ parent << x
+ x
+ end
+
+ def url
+ find("ns:url", ns: self.class.registered_ns).first&.content
+ end
+
+ def url=(url)
+ remove_children :url
+ i = Niceogiri::XML::Node.new(:url, document, namespace)
+ i.content = url
+ self << i
+ end
+
+ def desc
+ find("ns:desc", ns: self.class.registered_ns).first&.content
+ end
+
+ def desc=(description)
+ remove_children :desc
+ i = Niceogiri::XML::Node.new(:desc, document, namespace)
+ i.content = description
+ self << i
+ end
+end
+
+module Blather
+ class Stanza
+ class Message
+ def oobs
+ find("/message/ns:x", ns: "jabber:x:oob").map do |node|
+ OOB.import(node)
+ end
+ end
+ end
+ end
+end
lib/outgoing_mms.rb 🔗
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class OutgoingMMS
+ def self.for(m)
+ body = m.body.sub(m.oobs.first.url, "")
+ OutgoingMMS.new(
+ addresses: m.addresses ||
+ [Addresses::Address.new(uri: "sms:#{m.to.node}")],
+ body: body,
+ urls: m.oobs&.map(&:url)
+ )
+ end
+
+ def initialize(addresses:, body: nil, urls: nil)
+ @addresses = addresses.to_a
+ @to = @addresses.pop
+ @body = body
+ @urls = urls
+ end
+
+ def as_json(*)
+ {
+ encoding: :native,
+ recip: @addresses.map { |adr| adr.uri.sub(/\Asms:\+?/, "") }.join(",")
+ }
+ .merge(@urls ? { files: @urls.join(",") } : {})
+ .merge(@body && !@body.empty? ? { textmessagebody: @body } : {})
+ end
+
+ def to_json(*)
+ as_json.to_json
+ end
+
+ def to_stanza(id:, from:)
+ Blather::Stanza::Message.new(@to.jid, to_json).tap do |m|
+ m.id = id
+ m.from =
+ ProxiedJID.proxy(from, CONFIG[:component][:jid])
+ .with(resource: "#{from.resource}/#{m.id}")
+ end
+ end
+end
lib/proxied_jid.rb 🔗
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require "delegate"
+require "blather"
+
+class ProxiedJID < SimpleDelegator
+ ESCAPED = /20|22|26|27|2f|3a|3c|3e|40|5c/.freeze
+
+ def unproxied
+ Blather::JID.new(
+ node&.gsub(/\\(#{ESCAPED})/) { |s|
+ s[1..-1].to_i(16).chr
+ }
+ )
+ end
+
+ def self.proxy(jid, suffix)
+ jid = Blather::JID.new(jid)
+ ProxiedJID.new(Blather::JID.new(
+ jid.stripped.to_s
+ .gsub(/([ "&'\/:<>@]|\\(?=#{ESCAPED}))/) { |s|
+ "\\#{s.ord.to_s(16)}"
+ },
+ suffix,
+ jid.resource
+ ))
+ end
+end
lib/registration_repo.rb 🔗
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require "savon"
+
+class RegistrationRepo
+ def initialize(redis:)
+ @redis = redis
+ @savon = Savon.client {
+ wsdl "https://api.1pcom.net/ws2/DIDManagement.asmx?WSDL"
+ convert_request_keys_to :camelcase
+ }
+ end
+
+ def find(jid)
+ @redis.lrange("endstream_registration-#{jid.stripped}", 0, 2)
+ end
+
+ def put(jid, *creds)
+ setup_endstream_route(*creds, jid).then do |status|
+ next status unless status.first[:code].to_i.zero?
+
+ @redis.rpush(
+ "endstream_registration-#{jid.stripped}",
+ *creds
+ ).then { status }
+ end
+ end
+
+ def delete(jid)
+ find(jid).then do |creds|
+ next { code: 0 } unless creds
+
+ EMPromise.all([
+ setup_endstream_route(*creds, "#{creds.first}@example.com"),
+ @redis.del("endstream_registration-#{jid.stripped}")
+ ]).then { |(status, _)| status }
+ end
+ end
+
+protected
+
+ def setup_endstream_route(tel, username, password, jid)
+ EM.promise_defer {
+ @savon.call(
+ :did_route_sms_to_xmpp, message: {
+ auth: { username: username, password: password },
+ dID: tel.sub(/\A\+/, ""),
+ xMPP_user:
+ ProxiedJID.proxy(jid, CONFIG[:component][:jid]).stripped.to_s
+ }
+ ).body.dig(:did_route_sms_to_xmpp_response, :did_route_sms_to_xmpp_result)
+ }
+ end
+end
sgx_endstream.rb 🔗
@@ -0,0 +1,222 @@
+#!/usr/bin/ruby
+# frozen_string_literal: true
+
+require "blather/client/dsl"
+require "dhall"
+require "em-hiredis"
+require "em-http"
+require "em_promise"
+require "json"
+require "ougai"
+require "sentry-ruby"
+
+require_relative "lib/blather_client"
+require_relative "lib/blather_ext"
+require_relative "lib/em"
+require_relative "lib/incoming_mms"
+require_relative "lib/oob"
+require_relative "lib/outgoing_mms"
+require_relative "lib/proxied_jid"
+require_relative "lib/registration_repo"
+
+singleton_class.class_eval do
+ include Blather::DSL
+ Blather::DSL.append_features(self)
+end
+
+$stdout.sync = true
+LOG = Ougai::Logger.new($stdout)
+LOG.level = ENV.fetch("LOG_LEVEL", "info")
+LOG.formatter = Ougai::Formatters::Readable.new(
+ nil,
+ nil,
+ plain: !$stdout.isatty
+)
+Blather.logger = LOG
+
+def log
+ Thread.current[:log] || LOG
+end
+
+Sentry.init do |config|
+ config.logger = LOG
+ config.breadcrumbs_logger = [:sentry_logger]
+end
+
+CONFIG = Dhall::Coder
+ .new(safe: Dhall::Coder::JSON_LIKE + [Symbol, Proc])
+ .load(
+ "(#{ARGV[0]}) : #{__dir__}/config-schema.dhall",
+ transform_keys: ->(k) { k&.to_sym }
+ )
+
+def panic(e, hub=nil)
+ log.fatal(
+ "Error raised during event loop: #{e.class}",
+ e
+ )
+ if e.is_a?(::Exception)
+ (hub || Sentry).capture_exception(e, hint: { background: false })
+ else
+ (hub || Sentry).capture_message(e.to_s, hint: { background: false })
+ end
+ exit 1
+end
+
+EM.error_handler(&method(:panic))
+
+@client = BlatherClient.new
+
+setup(
+ CONFIG[:component][:jid],
+ CONFIG[:component][:secret],
+ CONFIG[:server][:host],
+ CONFIG[:server][:port],
+ nil,
+ nil,
+ async: true
+)
+
+when_ready do
+ log.info "Ready"
+ REDIS = EM::Hiredis.connect
+ REGISTRATION_REPO = RegistrationRepo.new(redis: REDIS)
+end
+
+disco_info to: Blather::JID.new(CONFIG[:component][:jid]) do |iq|
+ reply = iq.reply
+ reply.identities = [{
+ name: "SGX Endstream",
+ type: "sms",
+ category: "gateway"
+ }]
+ reply.features = [
+ "http://jabber.org/protocol/disco#info",
+ "http://jabber.org/protocol/address",
+ "jabber:iq:register"
+ ]
+ self << reply
+end
+
+disco_info to: /\A\+?\d+@/ do |iq|
+ reply = iq.reply
+ reply.identities = [{
+ name: "SGX Endstream",
+ type: "sms",
+ category: "client"
+ }]
+ reply.features = [
+ "urn:xmpp:receipts"
+ ]
+ self << reply
+end
+
+ibr type: :get do |iq|
+ REDIS.lrange(
+ "endstream_registration-#{iq.from.stripped}", 0, 2
+ ).then do |creds|
+ reply = iq.reply
+ reply.registered = true if creds&.first
+ reply.phone = creds&.first.to_s
+ reply.username = ""
+ reply.password = ""
+ self << reply
+ end
+end
+
+ibr type: :set do |iq|
+ if iq.phone.to_s !~ /\A\+?1\d{10}\Z/
+ self << iq.as_error("bad-request", :modify, "Invalid phone number")
+ next
+ end
+
+ if iq.username.to_s.empty? || iq.password.to_s.empty?
+ self << iq.as_error(
+ "bad-request",
+ :modify,
+ "Username and password are required"
+ )
+ next
+ end
+
+ REGISTRATION_REPO.delete(iq.from).then { |status|
+ next status if !status[:code].to_i.zero? || iq.remove?
+
+ REGISTRATION_REPO.put(iq.from, iq.phone, iq.username, iq.password)
+ }.then { |status|
+ self << if status[:code].to_i.zero?
+ iq.reply
+ else
+ iq.as_error("bad-request", :modify, r[:text])
+ end
+ }
+end
+
+message from: /@sms.chat.1pcom.net\Z/ do |m|
+ tel = if m.from.node.length > 7
+ "+{m.from.node}"
+ else
+ "#{m.from.node};phone-context=ca-us.phone-context.soprani.ca"
+ end
+ m.from = Blather::JID.new(tel, CONFIG[:component][:jid])
+ m.to = ProxiedJID.new(m.to).unproxied
+ m.subject = nil # They send a generic subject for some reason
+ self << m
+end
+
+message from: /@mms.chat.1pcom.net\Z/ do |m|
+ json = JSON.parse(m.body)
+ if json["GlobalStatus"]
+ log.info("MMS Status", json["disposition"])
+ next
+ end
+
+ IncomingMMS.for(m.to, json).then(&:to_stanza).then { |to_send|
+ to_send.id = m.id
+ to_send.from = Blather::JID.new("+#{m.from.node}", CONFIG[:component][:jid])
+ self << to_send
+ }
+end
+
+# Swallow errors, endstream doesn't want them
+message type: :error do
+ true
+end
+
+message :addresses, to: Blather::JID.new(CONFIG[:component][:jid]) do |m|
+ self << OutgoingMMS.for(m).to_stanza(id: m.id, from: m.from)
+end
+
+message ->(m) { !m.oobs.empty? }, to: /\A\+?\d+@/ do |m|
+ # TODO: if too big or bad mime, send sms
+ self << OutgoingMMS.for(m).to_stanza(id: m.id, from: m.from)
+end
+
+def too_long_for_sms(m)
+ # ~3 segments
+ m.body.length > (m.body.ascii_only? ? 160 : 70) * 3
+end
+
+message :body, method(:too_long_for_sms), to: /\A\+?\d+@/ do |m|
+ self << OutgoingMMS.for(m).to_stanza(id: m.id, from: m.from)
+end
+
+message(
+ :body,
+ to: /(?:\A\+?\d+@)|(?:;phone-context=ca-us\.phone-context\.soprani\.ca\Z)/
+) do |m|
+ m.to = Blather::JID.new(
+ m.to.node.sub(/\A\+/, "").sub(/;phone-context=.*\Z/, ""),
+ "sms.chat.1pcom.net"
+ )
+ m.from = ProxiedJID.proxy(m.from, CONFIG[:component][:jid])
+ self << m
+end
+
+iq type: [:get, :set] do |iq|
+ self << iq.as_error("service-unavailable", :cancel)
+end
+
+trap(:INT) { EM.stop }
+trap(:TERM) { EM.stop }
+EM.run { client.run }