From cd809a6b69790b48344abfaa294edd8c4d4c7231 Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Tue, 30 Aug 2016 23:27:39 -0700
Subject: added acme-client gem

---
 vendor/acme-client/lib/acme/client.rb | 122 ++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 vendor/acme-client/lib/acme/client.rb

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

diff --git a/vendor/acme-client/lib/acme/client.rb b/vendor/acme-client/lib/acme/client.rb
new file mode 100644
index 0000000..801479e
--- /dev/null
+++ b/vendor/acme-client/lib/acme/client.rb
@@ -0,0 +1,122 @@
+# 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
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