/usr/lib/ruby/vendor_ruby/faraday.rb is in ruby-faraday 0.9.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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require 'cgi'
require 'set'
require 'forwardable'
# Public: This is the main namespace for Faraday. You can either use it to
# create Faraday::Connection objects, or access it directly.
#
# Examples
#
# Faraday.get "http://faraday.com"
#
# conn = Faraday.new "http://faraday.com"
# conn.get '/'
#
module Faraday
VERSION = "0.9.2"
class << self
# Public: Gets or sets the root path that Faraday is being loaded from.
# This is the root from where the libraries are auto-loaded from.
attr_accessor :root_path
# Public: Gets or sets the path that the Faraday libs are loaded from.
attr_accessor :lib_path
# Public: Gets or sets the Symbol key identifying a default Adapter to use
# for the default Faraday::Connection.
attr_reader :default_adapter
# Public: Sets the default Faraday::Connection for simple scripts that
# access the Faraday constant directly.
#
# Faraday.get "https://faraday.com"
attr_writer :default_connection
# Public: Sets the default options used when calling Faraday#new.
attr_writer :default_connection_options
# Public: Initializes a new Faraday::Connection.
#
# url - The optional String base URL to use as a prefix for all
# requests. Can also be the options Hash.
# options - The optional Hash used to configure this Faraday::Connection.
# Any of these values will be set on every request made, unless
# overridden for a specific request.
# :url - String base URL.
# :params - Hash of URI query unencoded key/value pairs.
# :headers - Hash of unencoded HTTP header key/value pairs.
# :request - Hash of request options.
# :ssl - Hash of SSL options.
# :proxy - Hash of Proxy options.
#
# Examples
#
# Faraday.new 'http://faraday.com'
#
# # http://faraday.com?page=1
# Faraday.new 'http://faraday.com', :params => {:page => 1}
#
# # same
#
# Faraday.new :url => 'http://faraday.com',
# :params => {:page => 1}
#
# Returns a Faraday::Connection.
def new(url = nil, options = nil)
block = block_given? ? Proc.new : nil
options = options ? default_connection_options.merge(options) : default_connection_options.dup
Faraday::Connection.new(url, options, &block)
end
# Internal: Requires internal Faraday libraries.
#
# *libs - One or more relative String names to Faraday classes.
#
# Returns nothing.
def require_libs(*libs)
libs.each do |lib|
require "#{lib_path}/#{lib}"
end
end
# Public: Updates default adapter while resetting
# #default_connection.
#
# Returns the new default_adapter.
def default_adapter=(adapter)
@default_connection = nil
@default_adapter = adapter
end
alias require_lib require_libs
private
# Internal: Proxies method calls on the Faraday constant to
# #default_connection.
def method_missing(name, *args, &block)
default_connection.send(name, *args, &block)
end
end
self.root_path = File.expand_path "..", __FILE__
self.lib_path = File.expand_path "../faraday", __FILE__
self.default_adapter = :net_http
# Gets the default connection used for simple scripts.
#
# Returns a Faraday::Connection, configured with the #default_adapter.
def self.default_connection
@default_connection ||= Connection.new
end
# Gets the default connection options used when calling Faraday#new.
#
# Returns a Faraday::ConnectionOptions.
def self.default_connection_options
@default_connection_options ||= ConnectionOptions.new
end
if (!defined?(RUBY_ENGINE) || "ruby" == RUBY_ENGINE) && RUBY_VERSION < '1.9'
begin
require 'system_timer'
Timer = SystemTimer
rescue LoadError
warn "Faraday: you may want to install system_timer for reliable timeouts"
end
end
unless const_defined? :Timer
require 'timeout'
Timer = Timeout
end
# Public: Adds the ability for other modules to register and lookup
# middleware classes.
module MiddlewareRegistry
# Public: Register middleware class(es) on the current module.
#
# mapping - A Hash mapping Symbol keys to classes. Classes can be expressed
# as fully qualified constant, or a Proc that will be lazily
# called to return the former.
#
# Examples
#
# module Faraday
# class Whatever
# # Middleware looked up by :foo returns Faraday::Whatever::Foo.
# register_middleware :foo => Foo
#
# # Middleware looked up by :bar returns Faraday::Whatever.const_get(:Bar)
# register_middleware :bar => :Bar
#
# # Middleware looked up by :baz requires 'baz' and returns Faraday::Whatever.const_get(:Baz)
# register_middleware :baz => [:Baz, 'baz']
# end
# end
#
# Returns nothing.
def register_middleware(autoload_path = nil, mapping = nil)
if mapping.nil?
mapping = autoload_path
autoload_path = nil
end
middleware_mutex do
@middleware_autoload_path = autoload_path if autoload_path
(@registered_middleware ||= {}).update(mapping)
end
end
# Public: Lookup middleware class with a registered Symbol shortcut.
#
# key - The Symbol key for the registered middleware.
#
# Examples
#
# module Faraday
# class Whatever
# register_middleware :foo => Foo
# end
# end
#
# Faraday::Whatever.lookup_middleware(:foo)
# # => Faraday::Whatever::Foo
#
# Returns a middleware Class.
def lookup_middleware(key)
load_middleware(key) ||
raise(Faraday::Error.new("#{key.inspect} is not registered on #{self}"))
end
def middleware_mutex(&block)
@middleware_mutex ||= begin
require 'monitor'
Monitor.new
end
@middleware_mutex.synchronize(&block)
end
def fetch_middleware(key)
defined?(@registered_middleware) && @registered_middleware[key]
end
def load_middleware(key)
value = fetch_middleware(key)
case value
when Module
value
when Symbol, String
middleware_mutex do
@registered_middleware[key] = const_get(value)
end
when Proc
middleware_mutex do
@registered_middleware[key] = value.call
end
when Array
middleware_mutex do
const, path = value
if root = @middleware_autoload_path
path = "#{root}/#{path}"
end
require(path)
@registered_middleware[key] = const
end
load_middleware(key)
end
end
end
def self.const_missing(name)
if name.to_sym == :Builder
warn "Faraday::Builder is now Faraday::RackBuilder."
const_set name, RackBuilder
else
super
end
end
require_libs "utils", "options", "connection", "rack_builder", "parameters",
"middleware", "adapter", "request", "response", "upload_io", "error"
if !ENV["FARADAY_NO_AUTOLOAD"]
require_lib 'autoload'
end
end
# not pulling in active-support JUST for this method. And I love this method.
class Object
# The primary purpose of this method is to "tap into" a method chain,
# in order to perform operations on intermediate results within the chain.
#
# Examples
#
# (1..10).tap { |x| puts "original: #{x.inspect}" }.to_a.
# tap { |x| puts "array: #{x.inspect}" }.
# select { |x| x%2 == 0 }.
# tap { |x| puts "evens: #{x.inspect}" }.
# map { |x| x*x }.
# tap { |x| puts "squares: #{x.inspect}" }
#
# Yields self.
# Returns self.
def tap
yield(self)
self
end unless Object.respond_to?(:tap)
end
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