Class: Encryptbot::Cert

Inherits:
Object
  • Object
show all
Defined in:
lib/encryptbot/cert.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cert

Returns a new instance of Cert.



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# File 'lib/encryptbot/cert.rb', line 13

def initialize
  @domain_list = Encryptbot.configuration.domains
  @domain_names = @domain_list.map{|d| d[:domain] }
  @account_email = Encryptbot.configuration.acme_email
  @test_mode = Encryptbot.configuration.test_mode
end

Instance Attribute Details

#account_email ⇒ Object (readonly)

Returns the value of attribute account_email.



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# File 'lib/encryptbot/cert.rb', line 11

def 
  @account_email
end

#domain_list ⇒ Object (readonly)

Returns the value of attribute domain_list.



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# File 'lib/encryptbot/cert.rb', line 11

def domain_list
  @domain_list
end

#domain_names ⇒ Object (readonly)

Returns the value of attribute domain_names.



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# File 'lib/encryptbot/cert.rb', line 11

def domain_names
  @domain_names
end

#test_mode ⇒ Object (readonly)

Returns the value of attribute test_mode.



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# File 'lib/encryptbot/cert.rb', line 11

def test_mode
  @test_mode
end

Instance Method Details

#add ⇒ Object

Add certificate



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# File 'lib/encryptbot/cert.rb', line 21

def add
  unless Encryptbot.configuration.valid?
    raise Encryptbot::Error::SetupError, "Encryptbot is configured incorrectly. Check all required variables have been set."
  end

  # setup ACME client
  private_key = OpenSSL::PKey::RSA.new(4096)
  client = Acme::Client.new(
    private_key: private_key,
    directory: @test_mode ? "https://acme-staging-v02.api.letsencrypt.org/directory" : "https://acme-v02.api.letsencrypt.org/directory"
  )
   = client.(
    contact: "mailto:#{@account_email}",
    terms_of_service_agreed: true
  )

  # create order
  order = client.new_order(identifiers: @domain_names)

  # authorization of domains
  order.authorizations.each do |authorization|
    dns_challenge = authorization.dns
    domain = authorization.domain
    dns_entry = {
      name: dns_challenge.record_name,
      type: dns_challenge.record_type,
      content: dns_challenge.record_content
    }
    case @domain_list.detect{|t| t[:domain].gsub("*.", "") == domain }[:service]
    when "route53"
      Encryptbot::Services::Route53.new(domain, dns_entry).add_challenge
    when "cloudflare"
      Encryptbot::Services::Cloudflare.new(domain, dns_entry).add_challenge
    when "dyn"
      Encryptbot::Services::Dyn.new(domain, dns_entry).add_challenge
    else
      raise Encryptbot::Error::UnknownServiceError, "#{domain} service unknown"
    end
    # check if the DNS service has updated
    sleep(8)

    attempts = 3
    while !ready_for_challenge(domain, dns_challenge) && attempts > 0
      sleep(8)
      attempts -= 1
    end

    # request verifification
    dns_challenge.request_validation

    # check if dns challange was accepted
    while dns_challenge.status == "pending"
      sleep(2)
      dns_challenge.reload
    end

  end # end auth loop

  if order.status == "invalid"
    raise Encryptbot::Error::InvalidOrderError, "Certificate order was invalid. DNS Challenge failed."
  end

  # Generate certificate
  csr = Acme::Client::CertificateRequest.new(names: @domain_names)
  order.finalize(csr: csr)
  sleep(1) while order.status == "processing"

  # add certificate to heroku
  certificate = order.certificate
  private_key = csr.private_key.to_pem
  Encryptbot::Heroku.new.add_certificate(order.certificate, private_key)
end

#ready_for_challenge(domain, dns_challenge) ⇒ Object

Check if TXT value has been set correctly



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# File 'lib/encryptbot/cert.rb', line 95

def ready_for_challenge(domain, dns_challenge)
  record = "#{dns_challenge.record_name}.#{domain}"
  challenge_value = dns_challenge.record_content
  txt_value = Resolv::DNS.open do |dns|
    records = dns.getresources(record, Resolv::DNS::Resource::IN::TXT);
    records.empty? ? nil : records.map(&:data).join(" ")
  end
  txt_value == challenge_value
end