From 0678e04e93fcf6a66b7192c1694e305624831a71 Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Wed, 28 Jun 2017 13:03:21 -0700
Subject: remove gem dependencies: make fog-aws optional, and no longer vendor
 acme-client gem.

---
 vendor/acme-client/lib/acme/client.rb              | 122 --------------------
 vendor/acme-client/lib/acme/client/certificate.rb  |  30 -----
 .../lib/acme/client/certificate_request.rb         | 111 -------------------
 vendor/acme-client/lib/acme/client/crypto.rb       |  98 ----------------
 vendor/acme-client/lib/acme/client/error.rb        |  16 ---
 .../lib/acme/client/faraday_middleware.rb          | 123 ---------------------
 vendor/acme-client/lib/acme/client/resources.rb    |   5 -
 .../lib/acme/client/resources/authorization.rb     |  44 --------
 .../lib/acme/client/resources/challenges.rb        |   6 -
 .../lib/acme/client/resources/challenges/base.rb   |  43 -------
 .../lib/acme/client/resources/challenges/dns01.rb  |  19 ----
 .../lib/acme/client/resources/challenges/http01.rb |  18 ---
 .../acme/client/resources/challenges/tls_sni01.rb  |  24 ----
 .../lib/acme/client/resources/registration.rb      |  37 -------
 .../lib/acme/client/self_sign_certificate.rb       |  60 ----------
 vendor/acme-client/lib/acme/client/version.rb      |   7 --
 16 files changed, 763 deletions(-)
 delete mode 100644 vendor/acme-client/lib/acme/client.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/certificate.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/certificate_request.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/crypto.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/error.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/faraday_middleware.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/authorization.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/challenges.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/challenges/base.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/challenges/dns01.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/challenges/http01.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/challenges/tls_sni01.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/resources/registration.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/self_sign_certificate.rb
 delete mode 100644 vendor/acme-client/lib/acme/client/version.rb

(limited to 'vendor/acme-client/lib/acme')

diff --git a/vendor/acme-client/lib/acme/client.rb b/vendor/acme-client/lib/acme/client.rb
deleted file mode 100644
index 801479e..0000000
--- a/vendor/acme-client/lib/acme/client.rb
+++ /dev/null
@@ -1,122 +0,0 @@
-# frozen_string_literal: true
-
-require 'faraday'
-require 'json'
-require 'openssl'
-require 'digest'
-require 'forwardable'
-require 'base64'
-require 'time'
-
-module Acme; end
-class Acme::Client; end
-
-require 'acme/client/version'
-require 'acme/client/certificate'
-require 'acme/client/certificate_request'
-require 'acme/client/self_sign_certificate'
-require 'acme/client/crypto'
-require 'acme/client/resources'
-require 'acme/client/faraday_middleware'
-require 'acme/client/error'
-
-class Acme::Client
-  DEFAULT_ENDPOINT = 'http://127.0.0.1:4000'.freeze
-  DIRECTORY_DEFAULT = {
-    'new-authz' => '/acme/new-authz',
-    'new-cert' => '/acme/new-cert',
-    'new-reg' => '/acme/new-reg',
-    'revoke-cert' => '/acme/revoke-cert'
-  }.freeze
-
-  def initialize(private_key:, endpoint: DEFAULT_ENDPOINT, directory_uri: nil, connection_options: {})
-    @endpoint, @private_key, @directory_uri, @connection_options = endpoint, private_key, directory_uri, connection_options
-    @nonces ||= []
-    load_directory!
-  end
-
-  attr_reader :private_key, :nonces, :operation_endpoints
-
-  def register(contact:)
-    payload = {
-      resource: 'new-reg', contact: Array(contact)
-    }
-
-    response = connection.post(@operation_endpoints.fetch('new-reg'), payload)
-    ::Acme::Client::Resources::Registration.new(self, response)
-  end
-
-  def authorize(domain:)
-    payload = {
-      resource: 'new-authz',
-      identifier: {
-        type: 'dns',
-        value: domain
-      }
-    }
-
-    response = connection.post(@operation_endpoints.fetch('new-authz'), payload)
-    ::Acme::Client::Resources::Authorization.new(self, response.headers['Location'], response)
-  end
-
-  def fetch_authorization(uri)
-    response = connection.get(uri)
-    ::Acme::Client::Resources::Authorization.new(self, uri, response)
-  end
-
-  def new_certificate(csr)
-    payload = {
-      resource: 'new-cert',
-      csr: Base64.urlsafe_encode64(csr.to_der)
-    }
-
-    response = connection.post(@operation_endpoints.fetch('new-cert'), payload)
-    ::Acme::Client::Certificate.new(OpenSSL::X509::Certificate.new(response.body), response.headers['location'], fetch_chain(response), csr)
-  end
-
-  def revoke_certificate(certificate)
-    payload = { resource: 'revoke-cert', certificate: Base64.urlsafe_encode64(certificate.to_der) }
-    endpoint = @operation_endpoints.fetch('revoke-cert')
-    response = connection.post(endpoint, payload)
-    response.success?
-  end
-
-  def self.revoke_certificate(certificate, *arguments)
-    client = new(*arguments)
-    client.revoke_certificate(certificate)
-  end
-
-  def connection
-    @connection ||= Faraday.new(@endpoint, **@connection_options) do |configuration|
-      configuration.use Acme::Client::FaradayMiddleware, client: self
-      configuration.adapter Faraday.default_adapter
-    end
-  end
-
-  private
-
-  def fetch_chain(response, limit = 10)
-    links = response.headers['link']
-    if limit.zero? || links.nil? || links['up'].nil?
-      []
-    else
-      issuer = connection.get(links['up'])
-      [OpenSSL::X509::Certificate.new(issuer.body), *fetch_chain(issuer, limit - 1)]
-    end
-  end
-
-  def load_directory!
-    @operation_endpoints = if @directory_uri
-      response = connection.get(@directory_uri)
-      body = response.body
-      {
-        'new-reg' => body.fetch('new-reg'),
-        'new-authz' => body.fetch('new-authz'),
-        'new-cert' => body.fetch('new-cert'),
-        'revoke-cert' => body.fetch('revoke-cert'),
-      }
-    else
-      DIRECTORY_DEFAULT
-    end
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/certificate.rb b/vendor/acme-client/lib/acme/client/certificate.rb
deleted file mode 100644
index 6c68cc5..0000000
--- a/vendor/acme-client/lib/acme/client/certificate.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-class Acme::Client::Certificate
-  extend Forwardable
-
-  attr_reader :x509, :x509_chain, :request, :private_key, :url
-
-  def_delegators :x509, :to_pem, :to_der
-
-  def initialize(certificate, url, chain, request)
-    @x509 = certificate
-    @url = url
-    @x509_chain = chain
-    @request = request
-  end
-
-  def chain_to_pem
-    x509_chain.map(&:to_pem).join
-  end
-
-  def x509_fullchain
-    [x509, *x509_chain]
-  end
-
-  def fullchain_to_pem
-    x509_fullchain.map(&:to_pem).join
-  end
-
-  def common_name
-    x509.subject.to_a.find { |name, _, _| name == 'CN' }[1]
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/certificate_request.rb b/vendor/acme-client/lib/acme/client/certificate_request.rb
deleted file mode 100644
index 8eae0c6..0000000
--- a/vendor/acme-client/lib/acme/client/certificate_request.rb
+++ /dev/null
@@ -1,111 +0,0 @@
-class Acme::Client::CertificateRequest
-  extend Forwardable
-
-  DEFAULT_KEY_LENGTH = 2048
-  DEFAULT_DIGEST = OpenSSL::Digest::SHA256
-  SUBJECT_KEYS = {
-    common_name:         'CN',
-    country_name:        'C',
-    organization_name:   'O',
-    organizational_unit: 'OU',
-    state_or_province:   'ST',
-    locality_name:       'L'
-  }.freeze
-
-  SUBJECT_TYPES = {
-    'CN' => OpenSSL::ASN1::UTF8STRING,
-    'C'  => OpenSSL::ASN1::UTF8STRING,
-    'O'  => OpenSSL::ASN1::UTF8STRING,
-    'OU' => OpenSSL::ASN1::UTF8STRING,
-    'ST' => OpenSSL::ASN1::UTF8STRING,
-    'L'  => OpenSSL::ASN1::UTF8STRING
-  }.freeze
-
-  attr_reader :private_key, :common_name, :names, :subject
-
-  def_delegators :csr, :to_pem, :to_der
-
-  def initialize(common_name: nil, names: [], private_key: generate_private_key, subject: {}, digest: DEFAULT_DIGEST.new)
-    @digest = digest
-    @private_key = private_key
-    @subject = normalize_subject(subject)
-    @common_name = common_name || @subject[SUBJECT_KEYS[:common_name]] || @subject[:common_name]
-    @names = names.to_a.dup
-    normalize_names
-    @subject[SUBJECT_KEYS[:common_name]] ||= @common_name
-    validate_subject
-  end
-
-  def csr
-    @csr ||= generate
-  end
-
-  private
-
-  def generate_private_key
-    OpenSSL::PKey::RSA.new(DEFAULT_KEY_LENGTH)
-  end
-
-  def normalize_subject(subject)
-    @subject = subject.each_with_object({}) do |(key, value), hash|
-      hash[SUBJECT_KEYS.fetch(key, key)] = value.to_s
-    end
-  end
-
-  def normalize_names
-    if @common_name
-      @names.unshift(@common_name) unless @names.include?(@common_name)
-    else
-      raise ArgumentError, 'No common name and no list of names given' if @names.empty?
-      @common_name = @names.first
-    end
-  end
-
-  def validate_subject
-    validate_subject_attributes
-    validate_subject_common_name
-  end
-
-  def validate_subject_attributes
-    extra_keys = @subject.keys - SUBJECT_KEYS.keys - SUBJECT_KEYS.values
-    return if extra_keys.empty?
-    raise ArgumentError, "Unexpected subject attributes given: #{extra_keys.inspect}"
-  end
-
-  def validate_subject_common_name
-    return if @common_name == @subject[SUBJECT_KEYS[:common_name]]
-    raise ArgumentError, 'Conflicting common name given in arguments and subject'
-  end
-
-  def generate
-    OpenSSL::X509::Request.new.tap do |csr|
-      csr.public_key = @private_key.public_key
-      csr.subject = generate_subject
-      csr.version = 2
-      add_extension(csr)
-      csr.sign @private_key, @digest
-    end
-  end
-
-  def generate_subject
-    OpenSSL::X509::Name.new(
-      @subject.map {|name, value|
-        [name, value, SUBJECT_TYPES[name]]
-      }
-    )
-  end
-
-  def add_extension(csr)
-    return if @names.size <= 1
-
-    extension = OpenSSL::X509::ExtensionFactory.new.create_extension(
-      'subjectAltName', @names.map { |name| "DNS:#{name}" }.join(', '), false
-    )
-    csr.add_attribute(
-      OpenSSL::X509::Attribute.new(
-        'extReq',
-        OpenSSL::ASN1::Set.new([OpenSSL::ASN1::Sequence.new([extension])])
-      )
-    )
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/crypto.rb b/vendor/acme-client/lib/acme/client/crypto.rb
deleted file mode 100644
index dfa5cdc..0000000
--- a/vendor/acme-client/lib/acme/client/crypto.rb
+++ /dev/null
@@ -1,98 +0,0 @@
-class Acme::Client::Crypto
-  attr_reader :private_key
-
-  def initialize(private_key)
-    @private_key = private_key
-  end
-
-  def generate_signed_jws(header:, payload:)
-    header = { typ: 'JWT', alg: jws_alg, jwk: jwk }.merge(header)
-
-    encoded_header = urlsafe_base64(header.to_json)
-    encoded_payload = urlsafe_base64(payload.to_json)
-    signature_data = "#{encoded_header}.#{encoded_payload}"
-
-    signature = private_key.sign digest, signature_data
-    encoded_signature = urlsafe_base64(signature)
-
-    {
-      protected: encoded_header,
-      payload: encoded_payload,
-      signature: encoded_signature
-    }.to_json
-  end
-
-  def thumbprint
-    urlsafe_base64 digest.digest(jwk.to_json)
-  end
-
-  def digest
-    OpenSSL::Digest::SHA256.new
-  end
-
-  def urlsafe_base64(data)
-    Base64.urlsafe_encode64(data).sub(/[\s=]*\z/, '')
-  end
-
-  private
-
-  def jws_alg
-    { 'RSA' => 'RS256', 'EC' => 'ES256' }.fetch(jwk[:kty])
-  end
-
-  def jwk
-    @jwk ||= case private_key
-             when OpenSSL::PKey::RSA
-               rsa_jwk
-             when OpenSSL::PKey::EC
-               ec_jwk
-             else
-               raise ArgumentError, "Can't handle #{private_key} as private key, only OpenSSL::PKey::RSA and OpenSSL::PKey::EC"
-    end
-  end
-
-  def rsa_jwk
-    {
-      e: urlsafe_base64(public_key.e.to_s(2)),
-      kty: 'RSA',
-      n: urlsafe_base64(public_key.n.to_s(2))
-    }
-  end
-
-  def ec_jwk
-    {
-      crv: curve_name,
-      kty: 'EC',
-      x: urlsafe_base64(coordinates[:x].to_s(2)),
-      y: urlsafe_base64(coordinates[:y].to_s(2))
-    }
-  end
-
-  def curve_name
-    {
-      'prime256v1' => 'P-256',
-      'secp384r1' => 'P-384',
-      'secp521r1' => 'P-521'
-    }.fetch(private_key.group.curve_name) { raise ArgumentError, 'Unknown EC curve' }
-  end
-
-  # rubocop:disable Metrics/AbcSize
-  def coordinates
-    @coordinates ||= begin
-      hex = public_key.to_bn.to_s(16)
-      data_len = hex.length - 2
-      hex_x = hex[2, data_len / 2]
-      hex_y = hex[2 + data_len / 2, data_len / 2]
-
-      {
-        x: OpenSSL::BN.new([hex_x].pack('H*'), 2),
-        y: OpenSSL::BN.new([hex_y].pack('H*'), 2)
-      }
-    end
-  end
-  # rubocop:enable Metrics/AbcSize
-
-  def public_key
-    @public_key ||= private_key.public_key
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/error.rb b/vendor/acme-client/lib/acme/client/error.rb
deleted file mode 100644
index 2b35623..0000000
--- a/vendor/acme-client/lib/acme/client/error.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-class Acme::Client::Error < StandardError
-  class NotFound < Acme::Client::Error; end
-  class BadCSR < Acme::Client::Error; end
-  class BadNonce < Acme::Client::Error; end
-  class Connection < Acme::Client::Error; end
-  class Dnssec < Acme::Client::Error; end
-  class Malformed < Acme::Client::Error; end
-  class ServerInternal < Acme::Client::Error; end
-  class Acme::Tls < Acme::Client::Error; end
-  class Unauthorized < Acme::Client::Error; end
-  class UnknownHost < Acme::Client::Error; end
-  class Timeout < Acme::Client::Error; end
-  class RateLimited < Acme::Client::Error; end
-  class RejectedIdentifier < Acme::Client::Error; end
-  class UnsupportedIdentifier < Acme::Client::Error; end
-end
diff --git a/vendor/acme-client/lib/acme/client/faraday_middleware.rb b/vendor/acme-client/lib/acme/client/faraday_middleware.rb
deleted file mode 100644
index 21e29c9..0000000
--- a/vendor/acme-client/lib/acme/client/faraday_middleware.rb
+++ /dev/null
@@ -1,123 +0,0 @@
-# frozen_string_literal: true
-
-class Acme::Client::FaradayMiddleware < Faraday::Middleware
-  attr_reader :env, :response, :client
-
-  repo_url = 'https://github.com/unixcharles/acme-client'
-  USER_AGENT = "Acme::Client v#{Acme::Client::VERSION} (#{repo_url})".freeze
-
-  def initialize(app, client:)
-    super(app)
-    @client = client
-  end
-
-  def call(env)
-    @env = env
-    @env[:request_headers]['User-Agent'] = USER_AGENT
-    @env.body = crypto.generate_signed_jws(header: { nonce: pop_nonce }, payload: env.body)
-    @app.call(env).on_complete { |response_env| on_complete(response_env) }
-  rescue Faraday::TimeoutError
-    raise Acme::Client::Error::Timeout
-  end
-
-  def on_complete(env)
-    @env = env
-
-    raise_on_not_found!
-    store_nonce
-    env.body = decode_body
-    env.response_headers['Link'] = decode_link_headers
-
-    return if env.success?
-
-    raise_on_error!
-  end
-
-  private
-
-  def raise_on_not_found!
-    raise Acme::Client::Error::NotFound, env.url.to_s if env.status == 404
-  end
-
-  def raise_on_error!
-    raise error_class, error_message
-  end
-
-  def error_message
-    if env.body.is_a? Hash
-      env.body['detail']
-    else
-      "Error message: #{env.body}"
-    end
-  end
-
-  def error_class
-    if error_name && !error_name.empty? && Acme::Client::Error.const_defined?(error_name)
-      Object.const_get("Acme::Client::Error::#{error_name}")
-    else
-      Acme::Client::Error
-    end
-  end
-
-  def error_name
-    @error_name ||= begin
-      return unless env.body.is_a?(Hash)
-      return unless env.body.key?('type')
-
-      env.body['type'].gsub('urn:acme:error:', '').split(/[_-]/).map(&:capitalize).join
-    end
-  end
-
-  def decode_body
-    content_type = env.response_headers['Content-Type']
-
-    if content_type == 'application/json' || content_type == 'application/problem+json'
-      JSON.load(env.body)
-    else
-      env.body
-    end
-  end
-
-  LINK_MATCH = /<(.*?)>;rel="([\w-]+)"/
-
-  def decode_link_headers
-    return unless env.response_headers.key?('Link')
-    link_header = env.response_headers['Link']
-
-    links = link_header.split(', ').map { |entry|
-      _, link, name = *entry.match(LINK_MATCH)
-      [name, link]
-    }
-
-    Hash[*links.flatten]
-  end
-
-  def store_nonce
-    nonces << env.response_headers['replay-nonce']
-  end
-
-  def pop_nonce
-    if nonces.empty?
-      get_nonce
-    else
-      nonces.pop
-    end
-  end
-
-  def get_nonce
-    response = Faraday.head(env.url, nil, 'User-Agent' => USER_AGENT)
-    response.headers['replay-nonce']
-  end
-
-  def nonces
-    client.nonces
-  end
-
-  def private_key
-    client.private_key
-  end
-
-  def crypto
-    @crypto ||= Acme::Client::Crypto.new(private_key)
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources.rb b/vendor/acme-client/lib/acme/client/resources.rb
deleted file mode 100644
index ad55688..0000000
--- a/vendor/acme-client/lib/acme/client/resources.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-module Acme::Client::Resources; end
-
-require 'acme/client/resources/registration'
-require 'acme/client/resources/challenges'
-require 'acme/client/resources/authorization'
diff --git a/vendor/acme-client/lib/acme/client/resources/authorization.rb b/vendor/acme-client/lib/acme/client/resources/authorization.rb
deleted file mode 100644
index 9ca2e76..0000000
--- a/vendor/acme-client/lib/acme/client/resources/authorization.rb
+++ /dev/null
@@ -1,44 +0,0 @@
-class Acme::Client::Resources::Authorization
-  HTTP01 = Acme::Client::Resources::Challenges::HTTP01
-  DNS01 = Acme::Client::Resources::Challenges::DNS01
-  TLSSNI01 = Acme::Client::Resources::Challenges::TLSSNI01
-
-  attr_reader :client, :uri, :domain, :status, :expires, :http01, :dns01, :tls_sni01
-
-  def initialize(client, uri, response)
-    @client = client
-    @uri = uri
-    assign_attributes(response.body)
-  end
-
-  def verify_status
-    response = @client.connection.get(@uri)
-
-    assign_attributes(response.body)
-    status
-  end
-
-  private
-
-  def assign_attributes(body)
-    @expires = Time.iso8601(body['expires']) if body.key? 'expires'
-    @domain = body['identifier']['value']
-    @status = body['status']
-    assign_challenges(body['challenges'])
-  end
-
-  def assign_challenges(challenges)
-    challenges.each do |attributes|
-      challenge = case attributes.fetch('type')
-                  when 'http-01'
-                    @http01 ||= HTTP01.new(self)
-                  when 'dns-01'
-                    @dns01 ||= DNS01.new(self)
-                  when 'tls-sni-01'
-                    @tls_sni01 ||= TLSSNI01.new(self)
-      end
-
-      challenge.assign_attributes(attributes) if challenge
-    end
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources/challenges.rb b/vendor/acme-client/lib/acme/client/resources/challenges.rb
deleted file mode 100644
index ec92d47..0000000
--- a/vendor/acme-client/lib/acme/client/resources/challenges.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-module Acme::Client::Resources::Challenges; end
-
-require 'acme/client/resources/challenges/base'
-require 'acme/client/resources/challenges/http01'
-require 'acme/client/resources/challenges/dns01'
-require 'acme/client/resources/challenges/tls_sni01'
diff --git a/vendor/acme-client/lib/acme/client/resources/challenges/base.rb b/vendor/acme-client/lib/acme/client/resources/challenges/base.rb
deleted file mode 100644
index c78c74e..0000000
--- a/vendor/acme-client/lib/acme/client/resources/challenges/base.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-class Acme::Client::Resources::Challenges::Base
-  attr_reader :authorization, :status, :uri, :token, :error
-
-  def initialize(authorization)
-    @authorization = authorization
-  end
-
-  def client
-    authorization.client
-  end
-
-  def verify_status
-    authorization.verify_status
-
-    status
-  end
-
-  def request_verification
-    response = client.connection.post(@uri, resource: 'challenge', type: challenge_type, keyAuthorization: authorization_key)
-    response.success?
-  end
-
-  def assign_attributes(attributes)
-    @status = attributes.fetch('status', 'pending')
-    @uri = attributes.fetch('uri')
-    @token = attributes.fetch('token')
-    @error = attributes['error']
-  end
-
-  private
-
-  def challenge_type
-    self.class::CHALLENGE_TYPE
-  end
-
-  def authorization_key
-    "#{token}.#{crypto.thumbprint}"
-  end
-
-  def crypto
-    @crypto ||= Acme::Client::Crypto.new(client.private_key)
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources/challenges/dns01.rb b/vendor/acme-client/lib/acme/client/resources/challenges/dns01.rb
deleted file mode 100644
index 543f438..0000000
--- a/vendor/acme-client/lib/acme/client/resources/challenges/dns01.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-class Acme::Client::Resources::Challenges::DNS01 < Acme::Client::Resources::Challenges::Base
-  CHALLENGE_TYPE = 'dns-01'.freeze
-  RECORD_NAME = '_acme-challenge'.freeze
-  RECORD_TYPE = 'TXT'.freeze
-
-  def record_name
-    RECORD_NAME
-  end
-
-  def record_type
-    RECORD_TYPE
-  end
-
-  def record_content
-    crypto.urlsafe_base64(crypto.digest.digest(authorization_key))
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources/challenges/http01.rb b/vendor/acme-client/lib/acme/client/resources/challenges/http01.rb
deleted file mode 100644
index 4966091..0000000
--- a/vendor/acme-client/lib/acme/client/resources/challenges/http01.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-# frozen_string_literal: true
-
-class Acme::Client::Resources::Challenges::HTTP01 < Acme::Client::Resources::Challenges::Base
-  CHALLENGE_TYPE = 'http-01'.freeze
-  CONTENT_TYPE = 'text/plain'.freeze
-
-  def content_type
-    CONTENT_TYPE
-  end
-
-  def file_content
-    authorization_key
-  end
-
-  def filename
-    ".well-known/acme-challenge/#{token}"
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources/challenges/tls_sni01.rb b/vendor/acme-client/lib/acme/client/resources/challenges/tls_sni01.rb
deleted file mode 100644
index 8f455f5..0000000
--- a/vendor/acme-client/lib/acme/client/resources/challenges/tls_sni01.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-# frozen_string_literal: true
-
-class Acme::Client::Resources::Challenges::TLSSNI01 < Acme::Client::Resources::Challenges::Base
-  CHALLENGE_TYPE = 'tls-sni-01'.freeze
-
-  def hostname
-    digest = crypto.digest.hexdigest(authorization_key)
-    "#{digest[0..31]}.#{digest[32..64]}.acme.invalid"
-  end
-
-  def certificate
-    self_sign_certificate.certificate
-  end
-
-  def private_key
-    self_sign_certificate.private_key
-  end
-
-  private
-
-  def self_sign_certificate
-    @self_sign_certificate ||= Acme::Client::SelfSignCertificate.new(subject_alt_names: [hostname])
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/resources/registration.rb b/vendor/acme-client/lib/acme/client/resources/registration.rb
deleted file mode 100644
index b7a4c11..0000000
--- a/vendor/acme-client/lib/acme/client/resources/registration.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-class Acme::Client::Resources::Registration
-  attr_reader :id, :key, :contact, :uri, :next_uri, :recover_uri, :term_of_service_uri
-
-  def initialize(client, response)
-    @client = client
-    @uri = response.headers['location']
-    assign_links(response.headers['Link'])
-    assign_attributes(response.body)
-  end
-
-  def get_terms
-    return unless @term_of_service_uri
-
-    @client.connection.get(@term_of_service_uri).body
-  end
-
-  def agree_terms
-    return true unless @term_of_service_uri
-
-    response = @client.connection.post(@uri, resource: 'reg', agreement: @term_of_service_uri)
-    response.success?
-  end
-
-  private
-
-  def assign_links(links)
-    @next_uri = links['next']
-    @recover_uri = links['recover']
-    @term_of_service_uri = links['terms-of-service']
-  end
-
-  def assign_attributes(body)
-    @id = body['id']
-    @key = body['key']
-    @contact = body['contact']
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/self_sign_certificate.rb b/vendor/acme-client/lib/acme/client/self_sign_certificate.rb
deleted file mode 100644
index 2e7d98c..0000000
--- a/vendor/acme-client/lib/acme/client/self_sign_certificate.rb
+++ /dev/null
@@ -1,60 +0,0 @@
-class Acme::Client::SelfSignCertificate
-  attr_reader :private_key, :subject_alt_names, :not_before, :not_after
-
-  extend Forwardable
-  def_delegators :certificate, :to_pem, :to_der
-
-  def initialize(subject_alt_names:, not_before: default_not_before, not_after: default_not_after, private_key: generate_private_key)
-    @private_key = private_key
-    @subject_alt_names = subject_alt_names
-    @not_before = not_before
-    @not_after = not_after
-  end
-
-  def certificate
-    @certificate ||= begin
-      certificate = generate_certificate
-
-      extension_factory = generate_extension_factory(certificate)
-      subject_alt_name_entry = subject_alt_names.map { |d| "DNS: #{d}" }.join(',')
-      subject_alt_name_extension = extension_factory.create_extension('subjectAltName', subject_alt_name_entry)
-      certificate.add_extension(subject_alt_name_extension)
-
-      certificate.sign(private_key, digest)
-    end
-  end
-
-  private
-
-  def generate_private_key
-    OpenSSL::PKey::RSA.new(2048)
-  end
-
-  def default_not_before
-    Time.now - 3600
-  end
-
-  def default_not_after
-    Time.now + 30 * 24 * 3600
-  end
-
-  def digest
-    OpenSSL::Digest::SHA256.new
-  end
-
-  def generate_certificate
-    certificate = OpenSSL::X509::Certificate.new
-    certificate.not_before = not_before
-    certificate.not_after = not_after
-    certificate.public_key = private_key.public_key
-    certificate.version = 2
-    certificate
-  end
-
-  def generate_extension_factory(certificate)
-    extension_factory = OpenSSL::X509::ExtensionFactory.new
-    extension_factory.subject_certificate = certificate
-    extension_factory.issuer_certificate = certificate
-    extension_factory
-  end
-end
diff --git a/vendor/acme-client/lib/acme/client/version.rb b/vendor/acme-client/lib/acme/client/version.rb
deleted file mode 100644
index c989c12..0000000
--- a/vendor/acme-client/lib/acme/client/version.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-module Acme
-  class Client
-    VERSION = '0.4.1'.freeze
-  end
-end
-- 
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