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module Faraday
class Adapter
class Patron < Faraday::Adapter
dependency 'patron'
def call(env)
super
# TODO: support streaming requests
env[:body] = env[:body].read if env[:body].respond_to? :read
session = ::Patron::Session.new
@config_block.call(session) if @config_block
configure_ssl(session, env[:ssl]) if env[:url].scheme == 'https' and env[:ssl]
if req = env[:request]
session.timeout = session.connect_timeout = req[:timeout] if req[:timeout]
session.connect_timeout = req[:open_timeout] if req[:open_timeout]
if proxy = req[:proxy]
proxy_uri = proxy[:uri].dup
proxy_uri.user = proxy[:user] && Utils.escape(proxy[:user]).gsub('+', '%20')
proxy_uri.password = proxy[:password] && Utils.escape(proxy[:password]).gsub('+', '%20')
session.proxy = proxy_uri.to_s
end
end
response = begin
data = env[:body] ? env[:body].to_s : nil
session.request(env[:method], env[:url].to_s, env[:request_headers], :data => data)
rescue Errno::ECONNREFUSED, ::Patron::ConnectionFailed
raise Error::ConnectionFailed, $!
end
# Remove the "HTTP/1.1 200", leaving just the reason phrase
reason_phrase = response.status_line.gsub(/^.* \d{3} /, '')
save_response(env, response.status, response.body, response.headers, reason_phrase)
@app.call env
rescue ::Patron::TimeoutError => err
if connection_timed_out_message?(err.message)
raise Faraday::Error::ConnectionFailed, err
else
raise Faraday::Error::TimeoutError, err
end
rescue ::Patron::Error => err
if err.message.include?("code 407")
raise Error::ConnectionFailed, %{407 "Proxy Authentication Required "}
else
raise Error::ConnectionFailed, err
end
end
if loaded? && defined?(::Patron::Request::VALID_ACTIONS)
# HAX: helps but doesn't work completely
# https://github.com/toland/patron/issues/34
::Patron::Request::VALID_ACTIONS.tap do |actions|
if actions[0].is_a?(Symbol)
actions << :patch unless actions.include? :patch
actions << :options unless actions.include? :options
else
# Patron 0.4.20 and up
actions << "PATCH" unless actions.include? "PATCH"
actions << "OPTIONS" unless actions.include? "OPTIONS"
end
end
end
def configure_ssl(session, ssl)
if ssl.fetch(:verify, true)
session.cacert = ssl[:ca_file]
else
session.insecure = true
end
end
private
CURL_TIMEOUT_MESSAGES = [ "Connection time-out",
"Connection timed out",
"Timed out before name resolve",
"server connect has timed out",
"Resolving timed out",
"name lookup timed out",
"timed out before SSL",
"connect() timed out"
].freeze
def connection_timed_out_message?(message)
CURL_TIMEOUT_MESSAGES.any? { |curl_message| message.include?(curl_message) }
end
end
end
end