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|
# frozen_string_literal: true
begin
require 'net/https'
rescue LoadError
warn 'Warning: no such file to load -- net/https. ' \
'Make sure openssl is installed if you want ssl support'
require 'net/http'
end
require 'zlib'
module Faraday
class Adapter
class NetHttp < Faraday::Adapter
exceptions = [
IOError,
Errno::EADDRNOTAVAIL,
Errno::EALREADY,
Errno::ECONNABORTED,
Errno::ECONNREFUSED,
Errno::ECONNRESET,
Errno::EHOSTUNREACH,
Errno::EINVAL,
Errno::ENETUNREACH,
Errno::EPIPE,
Net::HTTPBadResponse,
Net::HTTPHeaderSyntaxError,
Net::ProtocolError,
SocketError,
Zlib::GzipFile::Error
]
exceptions << ::OpenSSL::SSL::SSLError if defined?(::OpenSSL::SSL::SSLError)
exceptions << ::Net::OpenTimeout if defined?(::Net::OpenTimeout)
NET_HTTP_EXCEPTIONS = exceptions.freeze
def initialize(app = nil, opts = {}, &block)
@ssl_cert_store = nil
super(app, opts, &block)
end
def build_connection(env)
net_http_connection(env).tap do |http|
http.use_ssl = env[:url].scheme == 'https' if http.respond_to?(:use_ssl=)
configure_ssl(http, env[:ssl])
configure_request(http, env[:request])
end
end
def net_http_connection(env)
proxy = env[:request][:proxy]
port = env[:url].port || (env[:url].scheme == 'https' ? 443 : 80)
if proxy
Net::HTTP.new(env[:url].hostname, port,
proxy[:uri].hostname, proxy[:uri].port,
proxy[:user], proxy[:password])
else
Net::HTTP.new(env[:url].hostname, port, nil)
end
end
def call(env)
super
connection(env) do |http|
perform_request(http, env)
rescue *NET_HTTP_EXCEPTIONS => e
raise Faraday::SSLError, e if defined?(OpenSSL) && e.is_a?(OpenSSL::SSL::SSLError)
raise Faraday::ConnectionFailed, e
end
@app.call env
rescue Timeout::Error, Errno::ETIMEDOUT => e
raise Faraday::TimeoutError, e
end
private
def create_request(env)
request = Net::HTTPGenericRequest.new \
env[:method].to_s.upcase, # request method
!!env[:body], # is there request body
env[:method] != :head, # is there response body
env[:url].request_uri, # request uri path
env[:request_headers] # request headers
if env[:body].respond_to?(:read)
request.body_stream = env[:body]
else
request.body = env[:body]
end
request
end
def perform_request(http, env)
if env.stream_response?
http_response = env.stream_response do |&on_data|
request_with_wrapped_block(http, env, &on_data)
end
http_response.body = nil
else
http_response = request_with_wrapped_block(http, env)
end
env.response_body = encoded_body(http_response)
env.response.finish(env)
http_response
end
def request_with_wrapped_block(http, env)
# Must use Net::HTTP#start and pass it a block otherwise the server's
# TCP socket does not close correctly.
http.start do |opened_http|
opened_http.request create_request(env) do |response|
save_http_response(env, response)
if block_given?
response.read_body do |chunk|
yield(chunk)
end
end
end
end
end
def save_http_response(env, http_response)
save_response(
env, http_response.code.to_i, nil, nil, http_response.message, finished: false
) do |response_headers|
http_response.each_header do |key, value|
response_headers[key] = value
end
end
end
def configure_ssl(http, ssl)
return unless ssl
http.verify_mode = ssl_verify_mode(ssl)
http.cert_store = ssl_cert_store(ssl)
http.cert = ssl[:client_cert] if ssl[:client_cert]
http.key = ssl[:client_key] if ssl[:client_key]
http.ca_file = ssl[:ca_file] if ssl[:ca_file]
http.ca_path = ssl[:ca_path] if ssl[:ca_path]
http.verify_depth = ssl[:verify_depth] if ssl[:verify_depth]
http.ssl_version = ssl[:version] if ssl[:version]
http.min_version = ssl[:min_version] if ssl[:min_version]
http.max_version = ssl[:max_version] if ssl[:max_version]
http.verify_hostname = ssl[:verify_hostname] if verify_hostname_enabled?(http, ssl)
end
def configure_request(http, req)
if (sec = request_timeout(:read, req))
http.read_timeout = sec
end
if (sec = http.respond_to?(:write_timeout=) &&
request_timeout(:write, req))
http.write_timeout = sec
end
if (sec = request_timeout(:open, req))
http.open_timeout = sec
end
# Only set if Net::Http supports it, since Ruby 2.5.
http.max_retries = 0 if http.respond_to?(:max_retries=)
@config_block&.call(http)
end
def ssl_cert_store(ssl)
return ssl[:cert_store] if ssl[:cert_store]
@ssl_cert_store ||= begin
# Use the default cert store by default, i.e. system ca certs
OpenSSL::X509::Store.new.tap(&:set_default_paths)
end
end
def ssl_verify_mode(ssl)
ssl[:verify_mode] || begin
if ssl.fetch(:verify, true)
OpenSSL::SSL::VERIFY_PEER
else
OpenSSL::SSL::VERIFY_NONE
end
end
end
def encoded_body(http_response)
body = http_response.body || +''
/\bcharset=([^;]+)/.match(http_response['Content-Type']) do |match|
content_charset = ::Encoding.find(match[1].strip)
body = body.dup if body.frozen?
body.force_encoding(content_charset)
rescue ArgumentError
nil
end
body
end
def verify_hostname_enabled?(http, ssl)
http.respond_to?(:verify_hostname=) && ssl.key?(:verify_hostname)
end
end
end
end
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