Class: HTTPAdapter::NetHTTPRequestAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/httpadapter/adapters/net_http.rb

Constant Summary collapse

METHOD_MAPPING = 
{
  # RFC 2616
  'OPTIONS' => Net::HTTP::Options,
  'GET' => Net::HTTP::Get,
  'HEAD' => Net::HTTP::Head,
  'POST' => Net::HTTP::Post,
  'PUT' => Net::HTTP::Put,
  'DELETE' => Net::HTTP::Delete,
  'TRACE' => Net::HTTP::Trace,
  # Other standards supported by Net::HTTP
  'COPY' => Net::HTTP::Copy,
  'LOCK' => Net::HTTP::Lock,
  'MKCOL' => Net::HTTP::Mkcol,
  'MOVE' => Net::HTTP::Move,
  'PROPFIND' => Net::HTTP::Propfind,
  'PROPPATCH' => Net::HTTP::Proppatch,
  'UNLOCK' => Net::HTTP::Unlock
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request, options = {}) ⇒ NetHTTPRequestAdapter

Returns a new instance of NetHTTPRequestAdapter.



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# File 'lib/httpadapter/adapters/net_http.rb', line 41

def initialize(request, options={})
  unless request.kind_of?(Net::HTTPRequest)
    raise TypeError, "Expected Net::HTTPRequest, got #{request.class}."
  end
  @request = request
  @uri = Addressable::URI.parse(options[:uri] || request.path || "")
  if !@uri.host && options[:host]
    @uri.host = options[:host]
    if !@uri.scheme && options[:scheme]
      @uri.scheme = options[:scheme]
    elsif !@uri.scheme
      @uri.scheme = 'http'
    end
    if !@uri.port && options[:port]
      @uri.port = options[:port]
    end
    @uri.scheme = @uri.normalized_scheme
    @uri.authority = @uri.normalized_authority
  end
end

Class Method Details

.from_ary(array) ⇒ Object 



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# File 'lib/httpadapter/adapters/net_http.rb', line 73

def self.from_ary(array)
  method, uri, headers, body = array
  method = method.to_s.upcase
  uri = Addressable::URI.parse(uri)
  request_class = METHOD_MAPPING[method]
  unless request_class
    raise ArgumentError, "Unknown HTTP method: #{method}"
  end
  request = request_class.new(uri.request_uri)
  headers.each do |header, value|
    request[header] = value
    if header.downcase == 'Content-Type'.downcase
      request.content_type = value
    end
  end
  merged_body = ""
  body.each do |chunk|
    merged_body += chunk
  end
  if merged_body.length > 0
    request.body = merged_body
  elsif ['POST', 'PUT'].include?(method)
    request.content_length = 0
  end
  return request
end

.transmit(request, connection = nil) ⇒ Object 



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# File 'lib/httpadapter/adapters/net_http.rb', line 100

def self.transmit(request, connection=nil)
  method, uri, headers, body = request
  uri = Addressable::URI.parse(uri)
  net_http_request = self.from_ary([method, uri, headers, body])
  net_http_response = nil
  unless connection
    http = Net::HTTP.new(uri.host, uri.inferred_port)
    if uri.normalized_scheme == 'https'
      require 'net/https'
      http.use_ssl = true
      if http.respond_to?(:enable_post_connection_check=)
        http.enable_post_connection_check = true
      end
      http.verify_mode = OpenSSL::SSL::VERIFY_PEER
      store = OpenSSL::X509::Store.new
      store.set_default_paths
      http.cert_store = store
      context = http.instance_variable_get('@ssl_context')
      if context && context.respond_to?(:tmp_dh_callback) &&
          context.tmp_dh_callback == nil
        context.tmp_dh_callback = lambda do |*args|
          tmp_dh_key_file = File.expand_path(
            ENV['TMP_DH_KEY_FILE'] || "~/.dhparams.pem"
          )
          if File.exists?(tmp_dh_key_file)
            OpenSSL::PKey::DH.new(File.read(tmp_dh_key_file))
          else
            # Slow, fix with `openssl dhparam -out ~/.dhparams.pem 2048`
            OpenSSL::PKey::DH.new(512)
          end
        end
      end
    end
    http.start
    connection = HTTPAdapter::Connection.new(
      uri.host, uri.inferred_port, http,
      :open => [:start, [], nil],
      :close => [:finish, [], nil]
    )
  else
    http = nil
  end
  net_http_response = connection.connection.request(net_http_request)
  if http
    connection.close
  end
  return NetHTTPResponseAdapter.new(net_http_response).to_ary
end

Instance Method Details

#to_ary ⇒ Object 



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# File 'lib/httpadapter/adapters/net_http.rb', line 62

def to_ary
  method = @request.method.to_s.upcase
  uri = @uri.to_str
  headers = []
  @request.canonical_each do |header, value|
    headers << [header, value]
  end
  body = @request.body || ""
  return [method, uri, headers, [body]]
end