Class: DoHClient::Server

Inherits:
Async::DNS::Server
  • Object
show all
Defined in:
lib/doh_client/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(endpoints, resolver = DoHClient::Client::Google) ⇒ Server

Returns a new instance of Server.



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# File 'lib/doh_client/server.rb', line 8

def initialize(endpoints, resolver = DoHClient::Client::Google)
  super(endpoints)
  @client = resolver
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/doh_client/server.rb', line 7

def client
  @client
end

Instance Method Details

#process(name, resource_class, transaction) ⇒ Object 



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# File 'lib/doh_client/server.rb', line 13

def process(name, resource_class, transaction)
  type = resource_class.to_s.split('::').last

  begin
    response = client.resolve(name, type: type)
  rescue ResponseError => _
    return transaction.fail!(:NXDomain) unless answers
  end

  answers = response["Answer"]
  return transaction.fail!(:NXDomain) unless answers

  transaction.append_question!
  answers.each do |answer|
    next unless klass = Resolv::DNS::Resource.get_class(answer["type"], resource_class::ClassValue)
    resource = klass < Resolv::DNS::Resource::DomainName ? klass.new(Resolv::DNS::Name.create(answer["data"])) : klass.new(answer["data"])
    transaction.response.add_answer(answer["name"], answer["TTL"], resource)
  end
end