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|
# frozen_string_literal: true
# rubocop:disable Metrics/ClassLength
require "http/headers"
require "openssl"
require "socket"
require "http/uri"
module HTTP
class Options
@default_socket_class = TCPSocket
@default_ssl_socket_class = OpenSSL::SSL::SSLSocket
@default_timeout_class = HTTP::Timeout::Null
@available_features = {}
class << self
attr_accessor :default_socket_class, :default_ssl_socket_class, :default_timeout_class
attr_reader :available_features
def new(options = {}) # rubocop:disable Style/OptionHash
return options if options.is_a?(self)
super
end
def defined_options
@defined_options ||= []
end
def register_feature(name, impl)
@available_features[name] = impl
end
protected
def def_option(name, reader_only: false, &interpreter)
defined_options << name.to_sym
interpreter ||= lambda { |v| v }
if reader_only
attr_reader name
else
attr_accessor name
protected :"#{name}="
end
define_method(:"with_#{name}") do |value|
dup { |opts| opts.send(:"#{name}=", instance_exec(value, &interpreter)) }
end
end
end
def initialize(options = {}) # rubocop:disable Style/OptionHash
defaults = {
:response => :auto,
:proxy => {},
:timeout_class => self.class.default_timeout_class,
:timeout_options => {},
:socket_class => self.class.default_socket_class,
:nodelay => false,
:ssl_socket_class => self.class.default_ssl_socket_class,
:ssl => {},
:keep_alive_timeout => 5,
:headers => {},
:cookies => {},
:encoding => nil,
:features => {}
}
opts_w_defaults = defaults.merge(options)
opts_w_defaults[:headers] = HTTP::Headers.coerce(opts_w_defaults[:headers])
opts_w_defaults.each { |(k, v)| self[k] = v }
end
def_option :headers do |new_headers|
headers.merge(new_headers)
end
def_option :cookies do |new_cookies|
new_cookies.each_with_object cookies.dup do |(k, v), jar|
cookie = k.is_a?(Cookie) ? k : Cookie.new(k.to_s, v.to_s)
jar[cookie.name] = cookie.cookie_value
end
end
def_option :encoding do |encoding|
self.encoding = Encoding.find(encoding)
end
def_option :features, :reader_only => true do |new_features|
# Normalize features from:
#
# [{feature_one: {opt: 'val'}}, :feature_two]
#
# into:
#
# {feature_one: {opt: 'val'}, feature_two: {}}
normalized_features = new_features.each_with_object({}) do |feature, h|
if feature.is_a?(Hash)
h.merge!(feature)
else
h[feature] = {}
end
end
features.merge(normalized_features)
end
def features=(features)
@features = features.each_with_object({}) do |(name, opts_or_feature), h|
h[name] = if opts_or_feature.is_a?(Feature)
opts_or_feature
else
unless (feature = self.class.available_features[name])
argument_error! "Unsupported feature: #{name}"
end
feature.new(**opts_or_feature)
end
end
end
%w[
proxy params form json body response
socket_class nodelay ssl_socket_class ssl_context ssl
keep_alive_timeout timeout_class timeout_options
].each do |method_name|
def_option method_name
end
def_option :follow, :reader_only => true
def follow=(value)
@follow =
case
when !value then nil
when true == value then {}
when value.respond_to?(:fetch) then value
else argument_error! "Unsupported follow options: #{value}"
end
end
def_option :persistent, :reader_only => true
def persistent=(value)
@persistent = value ? HTTP::URI.parse(value).origin : nil
end
def persistent?
!persistent.nil?
end
def merge(other)
h1 = to_hash
h2 = other.to_hash
merged = h1.merge(h2) do |k, v1, v2|
case k
when :headers
v1.merge(v2)
else
v2
end
end
self.class.new(merged)
end
def to_hash
hash_pairs = self.class.
defined_options.
flat_map { |opt_name| [opt_name, send(opt_name)] }
Hash[*hash_pairs]
end
def dup
dupped = super
yield(dupped) if block_given?
dupped
end
def feature(name)
features[name]
end
protected
def []=(option, val)
send(:"#{option}=", val)
end
private
def argument_error!(message)
raise(Error, message, caller(1..-1))
end
end
end
|
