Class: Faraday::Adapter::Excon

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

Overview

Excon adapter.

Constant Summary collapse

OPTS_KEYS = 
[
  %i[ciphers ciphers],
  %i[client_cert client_cert],
  %i[client_key client_key],
  %i[certificate certificate],
  %i[private_key private_key],
  %i[ssl_ca_path ca_path],
  %i[ssl_ca_file ca_file],
  %i[ssl_version version],
  %i[ssl_min_version min_version],
  %i[ssl_max_version max_version]
].freeze

Instance Method Summary collapse

Instance Method Details

#build_connection(env) ⇒ Object 



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# File 'lib/faraday/adapter/excon.rb', line 20

def build_connection(env)
  return @connection if @connection_options[:persistent] && defined?(@connection)

  opts = opts_from_env(env)

  # remove path & query, because persistent can re-use connection
  url = env[:url].dup
  url.path = ''
  url.query = nil

  @connection = ::Excon.new(url.to_s, opts.merge(@connection_options))
end

#call(env) ⇒ Object 



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# File 'lib/faraday/adapter/excon.rb', line 33

def call(env)
  super

  req_opts = {
    path: env[:url].path,
    query: env[:url].query,
    method: env[:method].to_s.upcase,
    headers: env[:request_headers],
    body: read_body(env)
  }

  req = env[:request]
  yielded = false
  if env.stream_response?
    total = 0
    req_opts[:response_block] = lambda do |chunk, _remain, _total|
      yielded = true
      req.on_data.call(chunk, total += chunk.bytesize, env)
    end
  end

  resp = connect_and_request(env, req_opts)

  # duplicate env.stream_response helper behavior for empty streams
  req.on_data.call(+'', 0, env) if req&.stream_response? && !yielded

  save_response(env, resp.status.to_i, resp.body, resp.headers, resp.reason_phrase)

  @app.call(env)
end

#read_body(env) ⇒ Object

TODO: support streaming requests



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# File 'lib/faraday/adapter/excon.rb', line 65

def read_body(env)
  env[:body].respond_to?(:read) ? env[:body].read : env[:body]
end