Class: Faraday::Adapter::HTTPClient

Inherits:
Faraday::Adapter show all
Defined in:
lib/faraday/adapter/httpclient.rb

Constant Summary

Constants inherited from Faraday::Adapter

CONTENT_LENGTH

Instance Attribute Summary

Attributes included from Parallelism

#supports_parallel

Instance Method Summary collapse

Methods inherited from Faraday::Adapter

#save_response

Methods included from Parallelism

#inherited, #supports_parallel?

Methods included from Faraday::AutoloadHelper

#all_loaded_constants, #autoload_all, #load_autoloaded_constants

Methods inherited from Middleware

dependency, inherited, #initialize, loaded?, new

Methods included from MiddlewareRegistry

#fetch_middleware, #load_middleware, #lookup_middleware, #middleware_mutex, #register_middleware

Constructor Details

This class inherits a constructor from Faraday::Middleware

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 10

def call(env)
  super

  # enable compression
  client.transparent_gzip_decompression = true

  if req = env[:request]
    if proxy = req[:proxy]
      configure_proxy proxy
    end

    if bind = req[:bind]
      configure_socket bind
    end

    configure_timeouts req
  end

  if env[:url].scheme == 'https' && ssl = env[:ssl]
    configure_ssl ssl
  end

  # TODO Don't stream yet.
  # https://github.com/nahi/httpclient/pull/90
  env[:body] = env[:body].read if env[:body].respond_to? :read

  resp = client.request env[:method], env[:url],
    :body   => env[:body],
    :header => env[:request_headers]

  save_response env, resp.status, resp.body, resp.headers, resp.reason

  @app.call env
rescue ::HTTPClient::TimeoutError, Errno::ETIMEDOUT
  raise Faraday::Error::TimeoutError, $!
rescue ::HTTPClient::BadResponseError => err
  if err.message.include?('status 407')
    raise Faraday::Error::ConnectionFailed, %{407 "Proxy Authentication Required "}
  else
    raise Faraday::Error::ClientError, $!
  end
rescue Errno::ECONNREFUSED, IOError
  raise Faraday::Error::ConnectionFailed, $!
rescue => err
  if defined?(OpenSSL) && OpenSSL::SSL::SSLError === err
    raise Faraday::SSLError, err
  else
    raise
  end
end

#client ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 6

def client
  @client ||= ::HTTPClient.new
end

#configure_proxy(proxy) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 66

def configure_proxy(proxy)
  client.proxy = proxy[:uri]
  if proxy[:user] && proxy[:password]
    client.set_proxy_auth proxy[:user], proxy[:password]
  end
end

#configure_socket(bind) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 61

def configure_socket(bind)
  client.socket_local.host = bind[:host]
  client.socket_local.port = bind[:port]
end

#configure_ssl(ssl) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 73

def configure_ssl(ssl)
  ssl_config = client.ssl_config
  ssl_config.verify_mode = ssl_verify_mode(ssl)
  ssl_config.cert_store = ssl_cert_store(ssl)

  ssl_config.add_trust_ca ssl[:ca_file]        if ssl[:ca_file]
  ssl_config.add_trust_ca ssl[:ca_path]        if ssl[:ca_path]
  ssl_config.client_cert  = ssl[:client_cert]  if ssl[:client_cert]
  ssl_config.client_key   = ssl[:client_key]   if ssl[:client_key]
  ssl_config.verify_depth = ssl[:verify_depth] if ssl[:verify_depth]
end

#configure_timeouts(req) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 85

def configure_timeouts(req)
  if req[:timeout]
    client.connect_timeout   = req[:timeout]
    client.receive_timeout   = req[:timeout]
    client.send_timeout      = req[:timeout]
  end

  if req[:open_timeout]
    client.connect_timeout   = req[:open_timeout]
    client.send_timeout      = req[:open_timeout]
  end
end

#ssl_cert_store(ssl) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 98

def ssl_cert_store(ssl)
  return ssl[:cert_store] if ssl[:cert_store]
  # Memoize the cert store so that the same one is passed to
  # HTTPClient each time, to avoid resyncing SSL sesions when
  # it's changed
  @cert_store ||= begin
    # Use the default cert store by default, i.e. system ca certs
    cert_store = OpenSSL::X509::Store.new
    cert_store.set_default_paths
    cert_store
  end
end

#ssl_verify_mode(ssl) ⇒ Object 



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# File 'lib/faraday/adapter/httpclient.rb', line 111

def ssl_verify_mode(ssl)
  ssl[:verify_mode] || begin
    if ssl.fetch(:verify, true)
      OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
    else
      OpenSSL::SSL::VERIFY_NONE
    end
  end
end