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#
# = net/http.rb
#
# Copyright (c) 1999-2007 Yukihiro Matsumoto
# Copyright (c) 1999-2007 Minero Aoki
# Copyright (c) 2001 GOTOU Yuuzou
#
# Written and maintained by Minero Aoki <aamine@loveruby.net>.
# HTTPS support added by GOTOU Yuuzou <gotoyuzo@notwork.org>.
#
# This file is derived from "http-access.rb".
#
# Documented by Minero Aoki; converted to RDoc by William Webber.
#
# This program is free software. You can re-distribute and/or
# modify this program under the same terms of ruby itself ---
# Ruby Distribution License or GNU General Public License.
#
# See Net::HTTP for an overview and examples.
#
require 'net/protocol'
require 'uri'
autoload :OpenSSL, 'openssl'
module Net #:nodoc:
# :stopdoc:
class HTTPBadResponse < StandardError; end
class HTTPHeaderSyntaxError < StandardError; end
# :startdoc:
# == An HTTP client API for Ruby.
#
# Net::HTTP provides a rich library which can be used to build HTTP
# user-agents. For more details about HTTP see
# [RFC2616](http://www.ietf.org/rfc/rfc2616.txt)
#
# Net::HTTP is designed to work closely with URI. URI::HTTP#host,
# URI::HTTP#port and URI::HTTP#request_uri are designed to work with
# Net::HTTP.
#
# If you are only performing a few GET requests you should try OpenURI.
#
# == Simple Examples
#
# All examples assume you have loaded Net::HTTP with:
#
# require 'net/http'
#
# This will also require 'uri' so you don't need to require it separately.
#
# The Net::HTTP methods in the following section do not persist
# connections. They are not recommended if you are performing many HTTP
# requests.
#
# === GET
#
# Net::HTTP.get('example.com', '/index.html') # => String
#
# === GET by URI
#
# uri = URI('http://example.com/index.html?count=10')
# Net::HTTP.get(uri) # => String
#
# === GET with Dynamic Parameters
#
# uri = URI('http://example.com/index.html')
# params = { :limit => 10, :page => 3 }
# uri.query = URI.encode_www_form(params)
#
# res = Net::HTTP.get_response(uri)
# puts res.body if res.is_a?(Net::HTTPSuccess)
#
# === POST
#
# uri = URI('http://www.example.com/search.cgi')
# res = Net::HTTP.post_form(uri, 'q' => 'ruby', 'max' => '50')
# puts res.body
#
# === POST with Multiple Values
#
# uri = URI('http://www.example.com/search.cgi')
# res = Net::HTTP.post_form(uri, 'q' => ['ruby', 'perl'], 'max' => '50')
# puts res.body
#
# == How to use Net::HTTP
#
# The following example code can be used as the basis of a HTTP user-agent
# which can perform a variety of request types using persistent
# connections.
#
# uri = URI('http://example.com/some_path?query=string')
#
# Net::HTTP.start(uri.host, uri.port) do |http|
# request = Net::HTTP::Get.new uri.request_uri
#
# response = http.request request # Net::HTTPResponse object
# end
#
# Net::HTTP::start immediately creates a connection to an HTTP server which
# is kept open for the duration of the block. The connection will remain
# open for multiple requests in the block if the server indicates it
# supports persistent connections.
#
# The request types Net::HTTP supports are listed below in the section "HTTP
# Request Classes".
#
# If you wish to re-use a connection across multiple HTTP requests without
# automatically closing it you can use ::new instead of ::start. #request
# will automatically open a connection to the server if one is not currently
# open. You can manually close the connection with #finish.
#
# === Response Data
#
# uri = URI('http://example.com/index.html')
# res = Net::HTTP.get_response(uri)
#
# # Headers
# res['Set-Cookie'] # => String
# res.get_fields('set-cookie') # => Array
# res.to_hash['set-cookie'] # => Array
# puts "Headers: #{res.to_hash.inspect}"
#
# # Status
# puts res.code # => '200'
# puts res.message # => 'OK'
# puts res.class.name # => 'HTTPOK'
#
# # Body
# puts res.body if res.response_body_permitted?
#
# === Following Redirection
#
# Each Net::HTTPResponse object belongs to a class for its response code.
#
# For example, all 2XX responses are instances of a Net::HTTPSuccess
# subclass, a 3XX response is an instance of a Net::HTTPRedirection
# subclass and a 200 response is an instance of the Net::HTTPOK class. For
# details of response classes, see the section "HTTP Response Classes"
# below.
#
# Using a case statement you can handle various types of responses properly:
#
# def fetch(uri_str, limit = 10)
# # You should choose a better exception.
# raise ArgumentError, 'too many HTTP redirects' if limit == 0
#
# response = Net::HTTP.get_response(URI(uri_str))
#
# case response
# when Net::HTTPSuccess then
# response
# when Net::HTTPRedirection then
# location = response['location']
# warn "redirected to #{location}"
# fetch(location, limit - 1)
# else
# response.value
# end
# end
#
# print fetch('http://www.ruby-lang.org')
#
# === POST
#
# A POST can be made using the Net::HTTP::Post request class. This example
# creates a urlencoded POST body:
#
# uri = URI('http://www.example.com/todo.cgi')
# req = Net::HTTP::Post.new(uri.path)
# req.set_form_data('from' => '2005-01-01', 'to' => '2005-03-31')
#
# res = Net::HTTP.start(uri.hostname, uri.port) do |http|
# http.request(req)
# end
#
# case res
# when Net::HTTPSuccess, Net::HTTPRedirection
# # OK
# else
# res.value
# end
#
# At this time Net::HTTP does not support multipart/form-data. To send
# multipart/form-data use Net::HTTPRequest#body= and
# Net::HTTPRequest#content_type=:
#
# req = Net::HTTP::Post.new(uri.path)
# req.body = multipart_data
# req.content_type = 'multipart/form-data'
#
# Other requests that can contain a body such as PUT can be created in the
# same way using the corresponding request class (Net::HTTP::Put).
#
# === Setting Headers
#
# The following example performs a conditional GET using the
# If-Modified-Since header. If the files has not been modified since the
# time in the header a Not Modified response will be returned. See RFC 2616
# section 9.3 for further details.
#
# uri = URI('http://example.com/cached_response')
# file = File.stat 'cached_response'
#
# req = Net::HTTP::Get.new(uri.request_uri)
# req['If-Modified-Since'] = file.mtime.rfc2822
#
# res = Net::HTTP.start(uri.hostname, uri.port) {|http|
# http.request(req)
# }
#
# open 'cached_response', 'w' do |io|
# io.write res.body
# end if res.is_a?(Net::HTTPSuccess)
#
# === Basic Authentication
#
# Basic authentication is performed according to
# [RFC2617](http://www.ietf.org/rfc/rfc2617.txt)
#
# uri = URI('http://example.com/index.html?key=value')
#
# req = Net::HTTP::Get.new(uri.request_uri)
# req.basic_auth 'user', 'pass'
#
# res = Net::HTTP.start(uri.hostname, uri.port) {|http|
# http.request(req)
# }
# puts res.body
#
# === Streaming Response Bodies
#
# By default Net::HTTP reads an entire response into memory. If you are
# handling large files or wish to implement a progress bar you can instead
# stream the body directly to an IO.
#
# uri = URI('http://example.com/large_file')
#
# Net::HTTP.start(uri.host, uri.port) do |http|
# request = Net::HTTP::Get.new uri.request_uri
#
# http.request request do |response|
# open 'large_file', 'w' do |io|
# response.read_body do |chunk|
# io.write chunk
# end
# end
# end
# end
#
# === HTTPS
#
# HTTPS is enabled for an HTTP connection by Net::HTTP#use_ssl=.
#
# uri = URI('https://secure.example.com/some_path?query=string')
#
# Net::HTTP.start(uri.host, uri.port,
# :use_ssl => uri.scheme == 'https').start do |http|
# request = Net::HTTP::Get.new uri.request_uri
#
# response = http.request request # Net::HTTPResponse object
# end
#
# In previous versions of ruby you would need to require 'net/https' to use
# HTTPS. This is no longer true.
#
# === Proxies
#
# Net::HTTP::Proxy has the same methods as Net::HTTP but its instances always
# connect via the proxy instead of directly to the given host.
#
# proxy_addr = 'your.proxy.host'
# proxy_port = 8080
#
# Net::HTTP::Proxy(proxy_addr, proxy_port).start('www.example.com') {|http|
# # always connect to your.proxy.addr:8080
# }
#
# Net::HTTP::Proxy returns a Net::HTTP instance when proxy_addr is nil so
# there is no need for conditional code.
#
# See Net::HTTP::Proxy for further details and examples such as proxies that
# require a username and password.
#
# == HTTP Request Classes
#
# Here is the HTTP request class hierarchy.
#
# * Net::HTTPRequest
# * Net::HTTP::Get
# * Net::HTTP::Head
# * Net::HTTP::Post
# * Net::HTTP::Put
# * Net::HTTP::Proppatch
# * Net::HTTP::Lock
# * Net::HTTP::Unlock
# * Net::HTTP::Options
# * Net::HTTP::Propfind
# * Net::HTTP::Delete
# * Net::HTTP::Move
# * Net::HTTP::Copy
# * Net::HTTP::Mkcol
# * Net::HTTP::Trace
#
# == HTTP Response Classes
#
# Here is HTTP response class hierarchy. All classes are defined in Net
# module and are subclasses of Net::HTTPResponse.
#
# HTTPUnknownResponse:: For unhandled HTTP extensions
# HTTPInformation:: 1xx
# HTTPContinue:: 100
# HTTPSwitchProtocol:: 101
# HTTPSuccess:: 2xx
# HTTPOK:: 200
# HTTPCreated:: 201
# HTTPAccepted:: 202
# HTTPNonAuthoritativeInformation:: 203
# HTTPNoContent:: 204
# HTTPResetContent:: 205
# HTTPPartialContent:: 206
# HTTPRedirection:: 3xx
# HTTPMultipleChoice:: 300
# HTTPMovedPermanently:: 301
# HTTPFound:: 302
# HTTPSeeOther:: 303
# HTTPNotModified:: 304
# HTTPUseProxy:: 305
# HTTPTemporaryRedirect:: 307
# HTTPClientError:: 4xx
# HTTPBadRequest:: 400
# HTTPUnauthorized:: 401
# HTTPPaymentRequired:: 402
# HTTPForbidden:: 403
# HTTPNotFound:: 404
# HTTPMethodNotAllowed:: 405
# HTTPNotAcceptable:: 406
# HTTPProxyAuthenticationRequired:: 407
# HTTPRequestTimeOut:: 408
# HTTPConflict:: 409
# HTTPGone:: 410
# HTTPLengthRequired:: 411
# HTTPPreconditionFailed:: 412
# HTTPRequestEntityTooLarge:: 413
# HTTPRequestURITooLong:: 414
# HTTPUnsupportedMediaType:: 415
# HTTPRequestedRangeNotSatisfiable:: 416
# HTTPExpectationFailed:: 417
# HTTPServerError:: 5xx
# HTTPInternalServerError:: 500
# HTTPNotImplemented:: 501
# HTTPBadGateway:: 502
# HTTPServiceUnavailable:: 503
# HTTPGatewayTimeOut:: 504
# HTTPVersionNotSupported:: 505
#
# There is also the Net::HTTPBadResponse exception which is raised when
# there is a protocol error.
#
class HTTP < Protocol
# :stopdoc:
Revision = %q$Revision: 42461 $.split[1]
HTTPVersion = '1.1'
begin
require 'zlib'
require 'stringio' #for our purposes (unpacking gzip) lump these together
HAVE_ZLIB=true
rescue LoadError
HAVE_ZLIB=false
end
# :startdoc:
# Turns on net/http 1.2 (ruby 1.8) features.
# Defaults to ON in ruby 1.8 or later.
def HTTP.version_1_2
true
end
# Returns true if net/http is in version 1.2 mode.
# Defaults to true.
def HTTP.version_1_2?
true
end
def HTTP.version_1_1? #:nodoc:
false
end
class << HTTP
alias is_version_1_1? version_1_1? #:nodoc:
alias is_version_1_2? version_1_2? #:nodoc:
end
#
# short cut methods
#
#
# Gets the body text from the target and outputs it to $stdout. The
# target can either be specified as
# (+uri+), or as (+host+, +path+, +port+ = 80); so:
#
# Net::HTTP.get_print URI('http://www.example.com/index.html')
#
# or:
#
# Net::HTTP.get_print 'www.example.com', '/index.html'
#
def HTTP.get_print(uri_or_host, path = nil, port = nil)
get_response(uri_or_host, path, port) {|res|
res.read_body do |chunk|
$stdout.print chunk
end
}
nil
end
# Sends a GET request to the target and returns the HTTP response
# as a string. The target can either be specified as
# (+uri+), or as (+host+, +path+, +port+ = 80); so:
#
# print Net::HTTP.get(URI('http://www.example.com/index.html'))
#
# or:
#
# print Net::HTTP.get('www.example.com', '/index.html')
#
def HTTP.get(uri_or_host, path = nil, port = nil)
get_response(uri_or_host, path, port).body
end
# Sends a GET request to the target and returns the HTTP response
# as a Net::HTTPResponse object. The target can either be specified as
# (+uri+), or as (+host+, +path+, +port+ = 80); so:
#
# res = Net::HTTP.get_response(URI('http://www.example.com/index.html'))
# print res.body
#
# or:
#
# res = Net::HTTP.get_response('www.example.com', '/index.html')
# print res.body
#
def HTTP.get_response(uri_or_host, path = nil, port = nil, &block)
if path
host = uri_or_host
new(host, port || HTTP.default_port).start {|http|
return http.request_get(path, &block)
}
else
uri = uri_or_host
new(uri.hostname, uri.port).start {|http|
return http.request_get(uri.request_uri, &block)
}
end
end
# Posts HTML form data to the specified URI object.
# The form data must be provided as a Hash mapping from String to String.
# Example:
#
# { "cmd" => "search", "q" => "ruby", "max" => "50" }
#
# This method also does Basic Authentication iff +url+.user exists.
# But userinfo for authentication is deprecated (RFC3986).
# So this feature will be removed.
#
# Example:
#
# require 'net/http'
# require 'uri'
#
# HTTP.post_form URI('http://www.example.com/search.cgi'),
# { "q" => "ruby", "max" => "50" }
#
def HTTP.post_form(url, params)
req = Post.new(url.request_uri)
req.form_data = params
req.basic_auth url.user, url.password if url.user
new(url.hostname, url.port).start {|http|
http.request(req)
}
end
#
# HTTP session management
#
# The default port to use for HTTP requests; defaults to 80.
def HTTP.default_port
http_default_port()
end
# The default port to use for HTTP requests; defaults to 80.
def HTTP.http_default_port
80
end
# The default port to use for HTTPS requests; defaults to 443.
def HTTP.https_default_port
443
end
def HTTP.socket_type #:nodoc: obsolete
BufferedIO
end
# call-seq:
# HTTP.start(address, port, p_addr, p_port, p_user, p_pass, &block)
# HTTP.start(address, port=nil, p_addr=nil, p_port=nil, p_user=nil, p_pass=nil, opt, &block)
#
# Creates a new Net::HTTP object, then additionally opens the TCP
# connection and HTTP session.
#
# Arguments are the following:
# _address_ :: hostname or IP address of the server
# _port_ :: port of the server
# _p_addr_ :: address of proxy
# _p_port_ :: port of proxy
# _p_user_ :: user of proxy
# _p_pass_ :: pass of proxy
# _opt_ :: optional hash
#
# _opt_ sets following values by its accessor.
# The keys are ca_file, ca_path, cert, cert_store, ciphers,
# close_on_empty_response, key, open_timeout, read_timeout, ssl_timeout,
# ssl_version, use_ssl, verify_callback, verify_depth and verify_mode.
# If you set :use_ssl as true, you can use https and default value of
# verify_mode is set as OpenSSL::SSL::VERIFY_PEER.
#
# If the optional block is given, the newly
# created Net::HTTP object is passed to it and closed when the
# block finishes. In this case, the return value of this method
# is the return value of the block. If no block is given, the
# return value of this method is the newly created Net::HTTP object
# itself, and the caller is responsible for closing it upon completion
# using the finish() method.
def HTTP.start(address, *arg, &block) # :yield: +http+
arg.pop if opt = Hash.try_convert(arg[-1])
port, p_addr, p_port, p_user, p_pass = *arg
port = https_default_port if !port && opt && opt[:use_ssl]
http = new(address, port, p_addr, p_port, p_user, p_pass)
if opt
if opt[:use_ssl]
opt = {verify_mode: OpenSSL::SSL::VERIFY_PEER}.update(opt)
end
http.methods.grep(/\A(\w+)=\z/) do |meth|
key = $1.to_sym
opt.key?(key) or next
http.__send__(meth, opt[key])
end
end
http.start(&block)
end
class << HTTP
alias newobj new
end
# Creates a new Net::HTTP object without opening a TCP connection or
# HTTP session.
# The +address+ should be a DNS hostname or IP address.
# If +p_addr+ is given, creates a Net::HTTP object with proxy support.
def HTTP.new(address, port = nil, p_addr = nil, p_port = nil, p_user = nil, p_pass = nil)
Proxy(p_addr, p_port, p_user, p_pass).newobj(address, port)
end
# Creates a new Net::HTTP object for the specified server address,
# without opening the TCP connection or initializing the HTTP session.
# The +address+ should be a DNS hostname or IP address.
def initialize(address, port = nil)
@address = address
@port = (port || HTTP.default_port)
@curr_http_version = HTTPVersion
@no_keepalive_server = false
@close_on_empty_response = false
@socket = nil
@started = false
@open_timeout = nil
@read_timeout = 60
@continue_timeout = nil
@debug_output = nil
@use_ssl = false
@ssl_context = nil
@enable_post_connection_check = true
@compression = nil
@sspi_enabled = false
if defined?(SSL_ATTRIBUTES)
SSL_ATTRIBUTES.each do |name|
instance_variable_set "@#{name}", nil
end
end
end
def inspect
"#<#{self.class} #{@address}:#{@port} open=#{started?}>"
end
# *WARNING* This method opens a serious security hole.
# Never use this method in production code.
#
# Sets an output stream for debugging.
#
# http = Net::HTTP.new
# http.set_debug_output $stderr
# http.start { .... }
#
def set_debug_output(output)
warn 'Net::HTTP#set_debug_output called after HTTP started' if started?
@debug_output = output
end
# The DNS host name or IP address to connect to.
attr_reader :address
# The port number to connect to.
attr_reader :port
# Number of seconds to wait for the connection to open. Any number
# may be used, including Floats for fractional seconds. If the HTTP
# object cannot open a connection in this many seconds, it raises a
# TimeoutError exception. The default value is +nil+.
attr_accessor :open_timeout
# Number of seconds to wait for one block to be read (via one read(2)
# call). Any number may be used, including Floats for fractional
# seconds. If the HTTP object cannot read data in this many seconds,
# it raises a TimeoutError exception. The default value is 60 seconds.
attr_reader :read_timeout
# Setter for the read_timeout attribute.
def read_timeout=(sec)
@socket.read_timeout = sec if @socket
@read_timeout = sec
end
# Seconds to wait for 100 Continue response. If the HTTP object does not
# receive a response in this many seconds it sends the request body. The
# default value is +nil+.
attr_reader :continue_timeout
# Setter for the continue_timeout attribute.
def continue_timeout=(sec)
@socket.continue_timeout = sec if @socket
@continue_timeout = sec
end
# Returns true if the HTTP session has been started.
def started?
@started
end
alias active? started? #:nodoc: obsolete
attr_accessor :close_on_empty_response
# Returns true if SSL/TLS is being used with HTTP.
def use_ssl?
@use_ssl
end
# Turn on/off SSL.
# This flag must be set before starting session.
# If you change use_ssl value after session started,
# a Net::HTTP object raises IOError.
def use_ssl=(flag)
flag = flag ? true : false
if started? and @use_ssl != flag
raise IOError, "use_ssl value changed, but session already started"
end
@use_ssl = flag
end
SSL_ATTRIBUTES = %w(
ssl_version key cert ca_file ca_path cert_store ciphers
verify_mode verify_callback verify_depth ssl_timeout
)
# Sets path of a CA certification file in PEM format.
#
# The file can contain several CA certificates.
attr_accessor :ca_file
# Sets path of a CA certification directory containing certifications in
# PEM format.
attr_accessor :ca_path
# Sets an OpenSSL::X509::Certificate object as client certificate.
# (This method is appeared in Michal Rokos's OpenSSL extension).
attr_accessor :cert
# Sets the X509::Store to verify peer certificate.
attr_accessor :cert_store
# Sets the available ciphers. See OpenSSL::SSL::SSLContext#ciphers=
attr_accessor :ciphers
# Sets an OpenSSL::PKey::RSA or OpenSSL::PKey::DSA object.
# (This method is appeared in Michal Rokos's OpenSSL extension.)
attr_accessor :key
# Sets the SSL timeout seconds.
attr_accessor :ssl_timeout
# Sets the SSL version. See OpenSSL::SSL::SSLContext#ssl_version=
attr_accessor :ssl_version
# Sets the verify callback for the server certification verification.
attr_accessor :verify_callback
# Sets the maximum depth for the certificate chain verification.
attr_accessor :verify_depth
# Sets the flags for server the certification verification at beginning of
# SSL/TLS session.
#
# OpenSSL::SSL::VERIFY_NONE or OpenSSL::SSL::VERIFY_PEER are acceptable.
attr_accessor :verify_mode
# Returns the X.509 certificates the server presented.
def peer_cert
if not use_ssl? or not @socket
return nil
end
@socket.io.peer_cert
end
# Opens a TCP connection and HTTP session.
#
# When this method is called with a block, it passes the Net::HTTP
# object to the block, and closes the TCP connection and HTTP session
# after the block has been executed.
#
# When called with a block, it returns the return value of the
# block; otherwise, it returns self.
#
def start # :yield: http
raise IOError, 'HTTP session already opened' if @started
if block_given?
begin
do_start
return yield(self)
ensure
do_finish
end
end
do_start
self
end
def do_start
connect
@started = true
end
private :do_start
def connect
D "opening connection to #{conn_address()}..."
s = timeout(@open_timeout) { TCPSocket.open(conn_address(), conn_port()) }
D "opened"
if use_ssl?
ssl_parameters = Hash.new
iv_list = instance_variables
SSL_ATTRIBUTES.each do |name|
ivname = "@#{name}".intern
if iv_list.include?(ivname) and
value = instance_variable_get(ivname)
ssl_parameters[name] = value
end
end
@ssl_context = OpenSSL::SSL::SSLContext.new
@ssl_context.set_params(ssl_parameters)
s = OpenSSL::SSL::SSLSocket.new(s, @ssl_context)
s.sync_close = true
end
@socket = BufferedIO.new(s)
@socket.read_timeout = @read_timeout
@socket.continue_timeout = @continue_timeout
@socket.debug_output = @debug_output
if use_ssl?
begin
if proxy?
@socket.writeline sprintf('CONNECT %s:%s HTTP/%s',
@address, @port, HTTPVersion)
@socket.writeline "Host: #{@address}:#{@port}"
if proxy_user
credential = ["#{proxy_user}:#{proxy_pass}"].pack('m')
credential.delete!("\r\n")
@socket.writeline "Proxy-Authorization: Basic #{credential}"
end
@socket.writeline ''
HTTPResponse.read_new(@socket).value
end
# Server Name Indication (SNI) RFC 3546
s.hostname = @address if s.respond_to? :hostname=
timeout(@open_timeout) { s.connect }
if @ssl_context.verify_mode != OpenSSL::SSL::VERIFY_NONE
s.post_connection_check(@address)
end
rescue => exception
D "Conn close because of connect error #{exception}"
@socket.close if @socket and not @socket.closed?
raise exception
end
end
on_connect
end
private :connect
def on_connect
end
private :on_connect
# Finishes the HTTP session and closes the TCP connection.
# Raises IOError if the session has not been started.
def finish
raise IOError, 'HTTP session not yet started' unless started?
do_finish
end
def do_finish
@started = false
@socket.close if @socket and not @socket.closed?
@socket = nil
end
private :do_finish
#
# proxy
#
public
# no proxy
@is_proxy_class = false
@proxy_addr = nil
@proxy_port = nil
@proxy_user = nil
@proxy_pass = nil
# Creates an HTTP proxy class which behaves like Net::HTTP, but
# performs all access via the specified proxy.
#
# The arguments are the DNS name or IP address of the proxy host,
# the port to use to access the proxy, and a username and password
# if authorization is required to use the proxy.
#
# You can replace any use of the Net::HTTP class with use of the
# proxy class created.
#
# If +p_addr+ is nil, this method returns self (a Net::HTTP object).
#
# # Example
# proxy_class = Net::HTTP::Proxy('proxy.example.com', 8080)
#
# proxy_class.start('www.ruby-lang.org') {|http|
# # connecting proxy.foo.org:8080
# }
#
# You may use them to work with authorization-enabled proxies:
#
# proxy_host = 'your.proxy.example'
# proxy_port = 8080
# proxy_user = 'user'
# proxy_pass = 'pass'
#
# proxy = Net::HTTP::Proxy(proxy_host, proxy_port, proxy_user, proxy_pass)
# proxy.start('www.example.com') { |http|
# # always connect to your.proxy.example:8080 using specified username
# # and password
# }
#
# Note that net/http does not use the HTTP_PROXY environment variable.
# If you want to use a proxy, you must set it explicitly.
#
def HTTP.Proxy(p_addr, p_port = nil, p_user = nil, p_pass = nil)
return self unless p_addr
delta = ProxyDelta
proxyclass = Class.new(self)
proxyclass.module_eval {
include delta
# with proxy
@is_proxy_class = true
@proxy_address = p_addr
@proxy_port = p_port || default_port()
@proxy_user = p_user
@proxy_pass = p_pass
}
proxyclass
end
class << HTTP
# returns true if self is a class which was created by HTTP::Proxy.
def proxy_class?
@is_proxy_class
end
# Address of proxy host. If Net::HTTP does not use a proxy, nil.
attr_reader :proxy_address
# Port number of proxy host. If Net::HTTP does not use a proxy, nil.
attr_reader :proxy_port
# User name for accessing proxy. If Net::HTTP does not use a proxy, nil.
attr_reader :proxy_user
# User password for accessing proxy. If Net::HTTP does not use a proxy,
# nil.
attr_reader :proxy_pass
end
# True if self is a HTTP proxy class.
def proxy?
self.class.proxy_class?
end
# A convenience method for accessing value of proxy_address from Net::HTTP.
def proxy_address
self.class.proxy_address
end
# A convenience method for accessing value of proxy_port from Net::HTTP.
def proxy_port
self.class.proxy_port
end
# A convenience method for accessing value of proxy_user from Net::HTTP.
def proxy_user
self.class.proxy_user
end
# A convenience method for accessing value of proxy_pass from Net::HTTP.
def proxy_pass
self.class.proxy_pass
end
alias proxyaddr proxy_address #:nodoc: obsolete
alias proxyport proxy_port #:nodoc: obsolete
private
# without proxy
def conn_address
address()
end
def conn_port
port()
end
def edit_path(path)
path
end
module ProxyDelta #:nodoc: internal use only
private
def conn_address
proxy_address()
end
def conn_port
proxy_port()
end
def edit_path(path)
use_ssl? ? path : "http://#{addr_port()}#{path}"
end
end
#
# HTTP operations
#
public
# Gets data from +path+ on the connected-to host.
# +initheader+ must be a Hash like { 'Accept' => '*/*', ... },
# and it defaults to an empty hash.
# If +initheader+ doesn't have the key 'accept-encoding', then
# a value of "gzip;q=1.0,deflate;q=0.6,identity;q=0.3" is used,
# so that gzip compression is used in preference to deflate
# compression, which is used in preference to no compression.
# Ruby doesn't have libraries to support the compress (Lempel-Ziv)
# compression, so that is not supported. The intent of this is
# to reduce bandwidth by default. If this routine sets up
# compression, then it does the decompression also, removing
# the header as well to prevent confusion. Otherwise
# it leaves the body as it found it.
#
# This method returns a Net::HTTPResponse object.
#
# If called with a block, yields each fragment of the
# entity body in turn as a string as it is read from
# the socket. Note that in this case, the returned response
# object will *not* contain a (meaningful) body.
#
# +dest+ argument is obsolete.
# It still works but you must not use it.
#
# This method never raises an exception.
#
# response = http.get('/index.html')
#
# # using block
# File.open('result.txt', 'w') {|f|
# http.get('/~foo/') do |str|
# f.write str
# end
# }
#
def get(path, initheader = {}, dest = nil, &block) # :yield: +body_segment+
res = nil
if HAVE_ZLIB
unless initheader.keys.any?{|k| k.downcase == "accept-encoding"}
initheader = initheader.merge({
"accept-encoding" => "gzip;q=1.0,deflate;q=0.6,identity;q=0.3"
})
@compression = true
end
end
request(Get.new(path, initheader)) {|r|
if r.key?("content-encoding") and @compression
@compression = nil # Clear it till next set.
the_body = r.read_body dest, &block
case r["content-encoding"]
when "gzip"
r.body= Zlib::GzipReader.new(StringIO.new(the_body), encoding: "ASCII-8BIT").read
r.delete("content-encoding")
when "deflate"
r.body= Zlib::Inflate.inflate(the_body);
r.delete("content-encoding")
when "identity"
; # nothing needed
else
; # Don't do anything dramatic, unless we need to later
end
else
r.read_body dest, &block
end
res = r
}
res
end
# Gets only the header from +path+ on the connected-to host.
# +header+ is a Hash like { 'Accept' => '*/*', ... }.
#
# This method returns a Net::HTTPResponse object.
#
# This method never raises an exception.
#
# response = nil
# Net::HTTP.start('some.www.server', 80) {|http|
# response = http.head('/index.html')
# }
# p response['content-type']
#
def head(path, initheader = nil)
request(Head.new(path, initheader))
end
# Posts +data+ (must be a String) to +path+. +header+ must be a Hash
# like { 'Accept' => '*/*', ... }.
#
# This method returns a Net::HTTPResponse object.
#
# If called with a block, yields each fragment of the
# entity body in turn as a string as it is read from
# the socket. Note that in this case, the returned response
# object will *not* contain a (meaningful) body.
#
# +dest+ argument is obsolete.
# It still works but you must not use it.
#
# This method never raises exception.
#
# response = http.post('/cgi-bin/search.rb', 'query=foo')
#
# # using block
# File.open('result.txt', 'w') {|f|
# http.post('/cgi-bin/search.rb', 'query=foo') do |str|
# f.write str
# end
# }
#
# You should set Content-Type: header field for POST.
# If no Content-Type: field given, this method uses
# "application/x-www-form-urlencoded" by default.
#
def post(path, data, initheader = nil, dest = nil, &block) # :yield: +body_segment+
send_entity(path, data, initheader, dest, Post, &block)
end
# Sends a PATCH request to the +path+ and gets a response,
# as an HTTPResponse object.
def patch(path, data, initheader = nil, dest = nil, &block) # :yield: +body_segment+
send_entity(path, data, initheader, dest, Patch, &block)
end
def put(path, data, initheader = nil) #:nodoc:
request(Put.new(path, initheader), data)
end
# Sends a PROPPATCH request to the +path+ and gets a response,
# as an HTTPResponse object.
def proppatch(path, body, initheader = nil)
request(Proppatch.new(path, initheader), body)
end
# Sends a LOCK request to the +path+ and gets a response,
# as an HTTPResponse object.
def lock(path, body, initheader = nil)
request(Lock.new(path, initheader), body)
end
# Sends a UNLOCK request to the +path+ and gets a response,
# as an HTTPResponse object.
def unlock(path, body, initheader = nil)
request(Unlock.new(path, initheader), body)
end
# Sends a OPTIONS request to the +path+ and gets a response,
# as an HTTPResponse object.
def options(path, initheader = nil)
request(Options.new(path, initheader))
end
# Sends a PROPFIND request to the +path+ and gets a response,
# as an HTTPResponse object.
def propfind(path, body = nil, initheader = {'Depth' => '0'})
request(Propfind.new(path, initheader), body)
end
# Sends a DELETE request to the +path+ and gets a response,
# as an HTTPResponse object.
def delete(path, initheader = {'Depth' => 'Infinity'})
request(Delete.new(path, initheader))
end
# Sends a MOVE request to the +path+ and gets a response,
# as an HTTPResponse object.
def move(path, initheader = nil)
request(Move.new(path, initheader))
end
# Sends a COPY request to the +path+ and gets a response,
# as an HTTPResponse object.
def copy(path, initheader = nil)
request(Copy.new(path, initheader))
end
# Sends a MKCOL request to the +path+ and gets a response,
# as an HTTPResponse object.
def mkcol(path, body = nil, initheader = nil)
request(Mkcol.new(path, initheader), body)
end
# Sends a TRACE request to the +path+ and gets a response,
# as an HTTPResponse object.
def trace(path, initheader = nil)
request(Trace.new(path, initheader))
end
# Sends a GET request to the +path+.
# Returns the response as a Net::HTTPResponse object.
#
# When called with a block, passes an HTTPResponse object to the block.
# The body of the response will not have been read yet;
# the block can process it using HTTPResponse#read_body,
# if desired.
#
# Returns the response.
#
# This method never raises Net::* exceptions.
#
# response = http.request_get('/index.html')
# # The entity body is already read in this case.
# p response['content-type']
# puts response.body
#
# # Using a block
# http.request_get('/index.html') {|response|
# p response['content-type']
# response.read_body do |str| # read body now
# print str
# end
# }
#
def request_get(path, initheader = nil, &block) # :yield: +response+
request(Get.new(path, initheader), &block)
end
# Sends a HEAD request to the +path+ and returns the response
# as a Net::HTTPResponse object.
#
# Returns the response.
#
# This method never raises Net::* exceptions.
#
# response = http.request_head('/index.html')
# p response['content-type']
#
def request_head(path, initheader = nil, &block)
request(Head.new(path, initheader), &block)
end
# Sends a POST request to the +path+.
#
# Returns the response as a Net::HTTPResponse object.
#
# When called with a block, the block is passed an HTTPResponse
# object. The body of that response will not have been read yet;
# the block can process it using HTTPResponse#read_body, if desired.
#
# Returns the response.
#
# This method never raises Net::* exceptions.
#
# # example
# response = http.request_post('/cgi-bin/nice.rb', 'datadatadata...')
# p response.status
# puts response.body # body is already read in this case
#
# # using block
# http.request_post('/cgi-bin/nice.rb', 'datadatadata...') {|response|
# p response.status
# p response['content-type']
# response.read_body do |str| # read body now
# print str
# end
# }
#
def request_post(path, data, initheader = nil, &block) # :yield: +response+
request Post.new(path, initheader), data, &block
end
def request_put(path, data, initheader = nil, &block) #:nodoc:
request Put.new(path, initheader), data, &block
end
alias get2 request_get #:nodoc: obsolete
alias head2 request_head #:nodoc: obsolete
alias post2 request_post #:nodoc: obsolete
alias put2 request_put #:nodoc: obsolete
# Sends an HTTP request to the HTTP server.
# Also sends a DATA string if +data+ is given.
#
# Returns a Net::HTTPResponse object.
#
# This method never raises Net::* exceptions.
#
# response = http.send_request('GET', '/index.html')
# puts response.body
#
def send_request(name, path, data = nil, header = nil)
r = HTTPGenericRequest.new(name,(data ? true : false),true,path,header)
request r, data
end
# Sends an HTTPRequest object +req+ to the HTTP server.
#
# If +req+ is a Net::HTTP::Post or Net::HTTP::Put request containing
# data, the data is also sent. Providing data for a Net::HTTP::Head or
# Net::HTTP::Get request results in an ArgumentError.
#
# Returns an HTTPResponse object.
#
# When called with a block, passes an HTTPResponse object to the block.
# The body of the response will not have been read yet;
# the block can process it using HTTPResponse#read_body,
# if desired.
#
# This method never raises Net::* exceptions.
#
def request(req, body = nil, &block) # :yield: +response+
unless started?
start {
req['connection'] ||= 'close'
return request(req, body, &block)
}
end
if proxy_user()
req.proxy_basic_auth proxy_user(), proxy_pass() unless use_ssl?
end
req.set_body_internal body
res = transport_request(req, &block)
if sspi_auth?(res)
sspi_auth(req)
res = transport_request(req, &block)
end
res
end
private
# Executes a request which uses a representation
# and returns its body.
def send_entity(path, data, initheader, dest, type, &block)
res = nil
request(type.new(path, initheader), data) {|r|
r.read_body dest, &block
res = r
}
res
end
def transport_request(req)
begin_transport req
res = catch(:response) {
req.exec @socket, @curr_http_version, edit_path(req.path)
begin
res = HTTPResponse.read_new(@socket)
end while res.kind_of?(HTTPContinue)
res.reading_body(@socket, req.response_body_permitted?) {
yield res if block_given?
}
res
}
end_transport req, res
res
rescue => exception
D "Conn close because of error #{exception}"
@socket.close if @socket and not @socket.closed?
raise exception
end
def begin_transport(req)
connect if @socket.closed?
if not req.response_body_permitted? and @close_on_empty_response
req['connection'] ||= 'close'
end
req['host'] ||= addr_port()
end
def end_transport(req, res)
@curr_http_version = res.http_version
if @socket.closed?
D 'Conn socket closed'
elsif not res.body and @close_on_empty_response
D 'Conn close'
@socket.close
elsif keep_alive?(req, res)
D 'Conn keep-alive'
else
D 'Conn close'
@socket.close
end
end
def keep_alive?(req, res)
return false if req.connection_close?
if @curr_http_version <= '1.0'
res.connection_keep_alive?
else # HTTP/1.1 or later
not res.connection_close?
end
end
def sspi_auth?(res)
return false unless @sspi_enabled
if res.kind_of?(HTTPProxyAuthenticationRequired) and
proxy? and res["Proxy-Authenticate"].include?("Negotiate")
begin
require 'win32/sspi'
true
rescue LoadError
false
end
else
false
end
end
def sspi_auth(req)
n = Win32::SSPI::NegotiateAuth.new
req["Proxy-Authorization"] = "Negotiate #{n.get_initial_token}"
# Some versions of ISA will close the connection if this isn't present.
req["Connection"] = "Keep-Alive"
req["Proxy-Connection"] = "Keep-Alive"
res = transport_request(req)
authphrase = res["Proxy-Authenticate"] or return res
req["Proxy-Authorization"] = "Negotiate #{n.complete_authentication(authphrase)}"
rescue => err
raise HTTPAuthenticationError.new('HTTP authentication failed', err)
end
#
# utils
#
private
def addr_port
if use_ssl?
address() + (port == HTTP.https_default_port ? '' : ":#{port()}")
else
address() + (port == HTTP.http_default_port ? '' : ":#{port()}")
end
end
def D(msg)
return unless @debug_output
@debug_output << msg
@debug_output << "\n"
end
end
HTTPSession = HTTP
# The HTTPHeader module defines methods for reading and writing
# HTTP headers.
#
# It is used as a mixin by other classes, to provide hash-like
# access to HTTP header values. Unlike raw hash access, HTTPHeader
# provides access via case-insensitive keys. It also provides
# methods for accessing commonly-used HTTP header values in more
# convenient formats.
#
module HTTPHeader
def initialize_http_header(initheader)
@header = {}
return unless initheader
initheader.each do |key, value|
warn "net/http: warning: duplicated HTTP header: #{key}" if key?(key) and $VERBOSE
@header[key.downcase] = [value.strip]
end
end
def size #:nodoc: obsolete
@header.size
end
alias length size #:nodoc: obsolete
# Returns the header field corresponding to the case-insensitive key.
# For example, a key of "Content-Type" might return "text/html"
def [](key)
a = @header[key.downcase] or return nil
a.join(', ')
end
# Sets the header field corresponding to the case-insensitive key.
def []=(key, val)
unless val
@header.delete key.downcase
return val
end
@header[key.downcase] = [val]
end
# [Ruby 1.8.3]
# Adds a value to a named header field, instead of replacing its value.
# Second argument +val+ must be a String.
# See also #[]=, #[] and #get_fields.
#
# request.add_field 'X-My-Header', 'a'
# p request['X-My-Header'] #=> "a"
# p request.get_fields('X-My-Header') #=> ["a"]
# request.add_field 'X-My-Header', 'b'
# p request['X-My-Header'] #=> "a, b"
# p request.get_fields('X-My-Header') #=> ["a", "b"]
# request.add_field 'X-My-Header', 'c'
# p request['X-My-Header'] #=> "a, b, c"
# p request.get_fields('X-My-Header') #=> ["a", "b", "c"]
#
def add_field(key, val)
if @header.key?(key.downcase)
@header[key.downcase].push val
else
@header[key.downcase] = [val]
end
end
# [Ruby 1.8.3]
# Returns an array of header field strings corresponding to the
# case-insensitive +key+. This method allows you to get duplicated
# header fields without any processing. See also #[].
#
# p response.get_fields('Set-Cookie')
# #=> ["session=al98axx; expires=Fri, 31-Dec-1999 23:58:23",
# "query=rubyscript; expires=Fri, 31-Dec-1999 23:58:23"]
# p response['Set-Cookie']
# #=> "session=al98axx; expires=Fri, 31-Dec-1999 23:58:23, query=rubyscript; expires=Fri, 31-Dec-1999 23:58:23"
#
def get_fields(key)
return nil unless @header[key.downcase]
@header[key.downcase].dup
end
# Returns the header field corresponding to the case-insensitive key.
# Returns the default value +args+, or the result of the block, or
# raises an IndexError if there's no header field named +key+
# See Hash#fetch
def fetch(key, *args, &block) #:yield: +key+
a = @header.fetch(key.downcase, *args, &block)
a.kind_of?(Array) ? a.join(', ') : a
end
# Iterates through the header names and values, passing in the name
# and value to the code block supplied.
#
# Example:
#
# response.header.each_header {|key,value| puts "#{key} = #{value}" }
#
def each_header #:yield: +key+, +value+
block_given? or return enum_for(__method__)
@header.each do |k,va|
yield k, va.join(', ')
end
end
alias each each_header
# Iterates through the header names in the header, passing
# each header name to the code block.
def each_name(&block) #:yield: +key+
block_given? or return enum_for(__method__)
@header.each_key(&block)
end
alias each_key each_name
# Iterates through the header names in the header, passing
# capitalized header names to the code block.
#
# Note that header names are capitalized systematically;
# capitalization may not match that used by the remote HTTP
# server in its response.
def each_capitalized_name #:yield: +key+
block_given? or return enum_for(__method__)
@header.each_key do |k|
yield capitalize(k)
end
end
# Iterates through header values, passing each value to the
# code block.
def each_value #:yield: +value+
block_given? or return enum_for(__method__)
@header.each_value do |va|
yield va.join(', ')
end
end
# Removes a header field, specified by case-insensitive key.
def delete(key)
@header.delete(key.downcase)
end
# true if +key+ header exists.
def key?(key)
@header.key?(key.downcase)
end
# Returns a Hash consisting of header names and values.
# e.g.
# {"cache-control" => "private",
# "content-type" => "text/html",
# "date" => "Wed, 22 Jun 2005 22:11:50 GMT"}
def to_hash
@header.dup
end
# As for #each_header, except the keys are provided in capitalized form.
#
# Note that header names are capitalized systematically;
# capitalization may not match that used by the remote HTTP
# server in its response.
def each_capitalized
block_given? or return enum_for(__method__)
@header.each do |k,v|
yield capitalize(k), v.join(', ')
end
end
alias canonical_each each_capitalized
def capitalize(name)
name.split(/-/).map {|s| s.capitalize }.join('-')
end
private :capitalize
# Returns an Array of Range objects which represent the Range:
# HTTP header field, or +nil+ if there is no such header.
def range
return nil unless @header['range']
self['Range'].split(/,/).map {|spec|
m = /bytes\s*=\s*(\d+)?\s*-\s*(\d+)?/i.match(spec) or
raise HTTPHeaderSyntaxError, "wrong Range: #{spec}"
d1 = m[1].to_i
d2 = m[2].to_i
if m[1] and m[2] then d1..d2
elsif m[1] then d1..-1
elsif m[2] then -d2..-1
else
raise HTTPHeaderSyntaxError, 'range is not specified'
end
}
end
# Sets the HTTP Range: header.
# Accepts either a Range object as a single argument,
# or a beginning index and a length from that index.
# Example:
#
# req.range = (0..1023)
# req.set_range 0, 1023
#
def set_range(r, e = nil)
unless r
@header.delete 'range'
return r
end
r = (r...r+e) if e
case r
when Numeric
n = r.to_i
rangestr = (n > 0 ? "0-#{n-1}" : "-#{-n}")
when Range
first = r.first
last = r.last
last -= 1 if r.exclude_end?
if last == -1
rangestr = (first > 0 ? "#{first}-" : "-#{-first}")
else
raise HTTPHeaderSyntaxError, 'range.first is negative' if first < 0
raise HTTPHeaderSyntaxError, 'range.last is negative' if last < 0
raise HTTPHeaderSyntaxError, 'must be .first < .last' if first > last
rangestr = "#{first}-#{last}"
end
else
raise TypeError, 'Range/Integer is required'
end
@header['range'] = ["bytes=#{rangestr}"]
r
end
alias range= set_range
# Returns an Integer object which represents the HTTP Content-Length:
# header field, or +nil+ if that field was not provided.
def content_length
return nil unless key?('Content-Length')
len = self['Content-Length'].slice(/\d+/) or
raise HTTPHeaderSyntaxError, 'wrong Content-Length format'
len.to_i
end
def content_length=(len)
unless len
@header.delete 'content-length'
return nil
end
@header['content-length'] = [len.to_i.to_s]
end
# Returns "true" if the "transfer-encoding" header is present and
# set to "chunked". This is an HTTP/1.1 feature, allowing the
# the content to be sent in "chunks" without at the outset
# stating the entire content length.
def chunked?
return false unless @header['transfer-encoding']
field = self['Transfer-Encoding']
(/(?:\A|[^\-\w])chunked(?![\-\w])/i =~ field) ? true : false
end
# Returns a Range object which represents the value of the Content-Range:
# header field.
# For a partial entity body, this indicates where this fragment
# fits inside the full entity body, as range of byte offsets.
def content_range
return nil unless @header['content-range']
m = %r<bytes\s+(\d+)-(\d+)/(\d+|\*)>i.match(self['Content-Range']) or
raise HTTPHeaderSyntaxError, 'wrong Content-Range format'
m[1].to_i .. m[2].to_i
end
# The length of the range represented in Content-Range: header.
def range_length
r = content_range() or return nil
r.end - r.begin + 1
end
# Returns a content type string such as "text/html".
# This method returns nil if Content-Type: header field does not exist.
def content_type
return nil unless main_type()
if sub_type()
then "#{main_type()}/#{sub_type()}"
else main_type()
end
end
# Returns a content type string such as "text".
# This method returns nil if Content-Type: header field does not exist.
def main_type
return nil unless @header['content-type']
self['Content-Type'].split(';').first.to_s.split('/')[0].to_s.strip
end
# Returns a content type string such as "html".
# This method returns nil if Content-Type: header field does not exist
# or sub-type is not given (e.g. "Content-Type: text").
def sub_type
return nil unless @header['content-type']
_, sub = *self['Content-Type'].split(';').first.to_s.split('/')
return nil unless sub
sub.strip
end
# Any parameters specified for the content type, returned as a Hash.
# For example, a header of Content-Type: text/html; charset=EUC-JP
# would result in type_params returning {'charset' => 'EUC-JP'}
def type_params
result = {}
list = self['Content-Type'].to_s.split(';')
list.shift
list.each do |param|
k, v = *param.split('=', 2)
result[k.strip] = v.strip
end
result
end
# Sets the content type in an HTTP header.
# The +type+ should be a full HTTP content type, e.g. "text/html".
# The +params+ are an optional Hash of parameters to add after the
# content type, e.g. {'charset' => 'iso-8859-1'}
def set_content_type(type, params = {})
@header['content-type'] = [type + params.map{|k,v|"; #{k}=#{v}"}.join('')]
end
alias content_type= set_content_type
# Set header fields and a body from HTML form data.
# +params+ should be an Array of Arrays or
# a Hash containing HTML form data.
# Optional argument +sep+ means data record separator.
#
# Values are URL encoded as necessary and the content-type is set to
# application/x-www-form-urlencoded
#
# Example:
# http.form_data = {"q" => "ruby", "lang" => "en"}
# http.form_data = {"q" => ["ruby", "perl"], "lang" => "en"}
# http.set_form_data({"q" => "ruby", "lang" => "en"}, ';')
#
def set_form_data(params, sep = '&')
query = URI.encode_www_form(params)
query.gsub!(/&/, sep) if sep != '&'
self.body = query
self.content_type = 'application/x-www-form-urlencoded'
end
alias form_data= set_form_data
# Set a HTML form data set.
# +params+ is the form data set; it is an Array of Arrays or a Hash
# +enctype is the type to encode the form data set.
# It is application/x-www-form-urlencoded or multipart/form-data.
# +formpot+ is an optional hash to specify the detail.
#
# boundary:: the boundary of the multipart message
# charset:: the charset of the message. All names and the values of
# non-file fields are encoded as the charset.
#
# Each item of params is an array and contains following items:
# +name+:: the name of the field
# +value+:: the value of the field, it should be a String or a File
# +opt+:: an optional hash to specify additional information
#
# Each item is a file field or a normal field.
# If +value+ is a File object or the +opt+ have a filename key,
# the item is treated as a file field.
#
# If Transfer-Encoding is set as chunked, this send the request in
# chunked encoding. Because chunked encoding is HTTP/1.1 feature,
# you must confirm the server to support HTTP/1.1 before sending it.
#
# Example:
# http.set_form([["q", "ruby"], ["lang", "en"]])
#
# See also RFC 2388, RFC 2616, HTML 4.01, and HTML5
#
def set_form(params, enctype='application/x-www-form-urlencoded', formopt={})
@body_data = params
@body = nil
@body_stream = nil
@form_option = formopt
case enctype
when /\Aapplication\/x-www-form-urlencoded\z/i,
/\Amultipart\/form-data\z/i
self.content_type = enctype
else
raise ArgumentError, "invalid enctype: #{enctype}"
end
end
# Set the Authorization: header for "Basic" authorization.
def basic_auth(account, password)
@header['authorization'] = [basic_encode(account, password)]
end
# Set Proxy-Authorization: header for "Basic" authorization.
def proxy_basic_auth(account, password)
@header['proxy-authorization'] = [basic_encode(account, password)]
end
def basic_encode(account, password)
'Basic ' + ["#{account}:#{password}"].pack('m').delete("\r\n")
end
private :basic_encode
def connection_close?
tokens(@header['connection']).include?('close') or
tokens(@header['proxy-connection']).include?('close')
end
def connection_keep_alive?
tokens(@header['connection']).include?('keep-alive') or
tokens(@header['proxy-connection']).include?('keep-alive')
end
def tokens(vals)
return [] unless vals
vals.map {|v| v.split(',') }.flatten\
.reject {|str| str.strip.empty? }\
.map {|tok| tok.strip.downcase }
end
private :tokens
end
# HTTPGenericRequest is the parent of the HTTPRequest class.
# Do not use this directly; use a subclass of HTTPRequest.
#
# Mixes in the HTTPHeader module to provide easier access to HTTP headers.
#
class HTTPGenericRequest
include HTTPHeader
def initialize(m, reqbody, resbody, path, initheader = nil)
@method = m
@request_has_body = reqbody
@response_has_body = resbody
raise ArgumentError, "no HTTP request path given" unless path
raise ArgumentError, "HTTP request path is empty" if path.empty?
@path = path
initialize_http_header initheader
self['Accept'] ||= '*/*'
self['User-Agent'] ||= 'Ruby'
@body = nil
@body_stream = nil
@body_data = nil
end
attr_reader :method
attr_reader :path
def inspect
"\#<#{self.class} #{@method}>"
end
def request_body_permitted?
@request_has_body
end
def response_body_permitted?
@response_has_body
end
def body_exist?
warn "Net::HTTPRequest#body_exist? is obsolete; use response_body_permitted?" if $VERBOSE
response_body_permitted?
end
attr_reader :body
def body=(str)
@body = str
@body_stream = nil
@body_data = nil
str
end
attr_reader :body_stream
def body_stream=(input)
@body = nil
@body_stream = input
@body_data = nil
input
end
def set_body_internal(str) #:nodoc: internal use only
raise ArgumentError, "both of body argument and HTTPRequest#body set" if str and (@body or @body_stream)
self.body = str if str
end
#
# write
#
def exec(sock, ver, path) #:nodoc: internal use only
if @body
send_request_with_body sock, ver, path, @body
elsif @body_stream
send_request_with_body_stream sock, ver, path, @body_stream
elsif @body_data
send_request_with_body_data sock, ver, path, @body_data
else
write_header sock, ver, path
end
end
private
def send_request_with_body(sock, ver, path, body)
self.content_length = body.bytesize
delete 'Transfer-Encoding'
supply_default_content_type
write_header sock, ver, path
wait_for_continue sock, ver if sock.continue_timeout
sock.write body
end
def send_request_with_body_stream(sock, ver, path, f)
unless content_length() or chunked?
raise ArgumentError,
"Content-Length not given and Transfer-Encoding is not `chunked'"
end
supply_default_content_type
write_header sock, ver, path
wait_for_continue sock, ver if sock.continue_timeout
if chunked?
while s = f.read(1024)
sock.write(sprintf("%x\r\n", s.bytesize) << s << "\r\n")
end
sock.write "0\r\n\r\n"
else
while s = f.read(1024)
sock.write s
end
end
end
def send_request_with_body_data(sock, ver, path, params)
if /\Amultipart\/form-data\z/i !~ self.content_type
self.content_type = 'application/x-www-form-urlencoded'
return send_request_with_body(sock, ver, path, URI.encode_www_form(params))
end
opt = @form_option.dup
require 'securerandom' unless defined?(SecureRandom)
opt[:boundary] ||= SecureRandom.urlsafe_base64(40)
self.set_content_type(self.content_type, boundary: opt[:boundary])
if chunked?
write_header sock, ver, path
encode_multipart_form_data(sock, params, opt)
else
require 'tempfile'
file = Tempfile.new('multipart')
file.binmode
encode_multipart_form_data(file, params, opt)
file.rewind
self.content_length = file.size
write_header sock, ver, path
IO.copy_stream(file, sock)
end
end
def encode_multipart_form_data(out, params, opt)
charset = opt[:charset]
boundary = opt[:boundary]
require 'securerandom' unless defined?(SecureRandom)
boundary ||= SecureRandom.urlsafe_base64(40)
chunked_p = chunked?
buf = ''
params.each do |key, value, h={}|
key = quote_string(key, charset)
filename =
h.key?(:filename) ? h[:filename] :
value.respond_to?(:to_path) ? File.basename(value.to_path) :
nil
buf << "--#{boundary}\r\n"
if filename
filename = quote_string(filename, charset)
type = h[:content_type] || 'application/octet-stream'
buf << "Content-Disposition: form-data; " \
"name=\"#{key}\"; filename=\"#{filename}\"\r\n" \
"Content-Type: #{type}\r\n\r\n"
if !out.respond_to?(:write) || !value.respond_to?(:read)
# if +out+ is not an IO or +value+ is not an IO
buf << (value.respond_to?(:read) ? value.read : value)
elsif value.respond_to?(:size) && chunked_p
# if +out+ is an IO and +value+ is a File, use IO.copy_stream
flush_buffer(out, buf, chunked_p)
out << "%x\r\n" % value.size if chunked_p
IO.copy_stream(value, out)
out << "\r\n" if chunked_p
else
# +out+ is an IO, and +value+ is not a File but an IO
flush_buffer(out, buf, chunked_p)
1 while flush_buffer(out, value.read(4096), chunked_p)
end
else
# non-file field:
# HTML5 says, "The parts of the generated multipart/form-data
# resource that correspond to non-file fields must not have a
# Content-Type header specified."
buf << "Content-Disposition: form-data; name=\"#{key}\"\r\n\r\n"
buf << (value.respond_to?(:read) ? value.read : value)
end
buf << "\r\n"
end
buf << "--#{boundary}--\r\n"
flush_buffer(out, buf, chunked_p)
out << "0\r\n\r\n" if chunked_p
end
def quote_string(str, charset)
str = str.encode(charset, fallback:->(c){'&#%d;'%c.encode("UTF-8").ord}) if charset
str = str.gsub(/[\\"]/, '\\\\\&')
end
def flush_buffer(out, buf, chunked_p)
return unless buf
out << "%x\r\n"%buf.bytesize if chunked_p
out << buf
out << "\r\n" if chunked_p
buf.clear
end
def supply_default_content_type
return if content_type()
warn 'net/http: warning: Content-Type did not set; using application/x-www-form-urlencoded' if $VERBOSE
set_content_type 'application/x-www-form-urlencoded'
end
##
# Waits up to the continue timeout for a response from the server provided
# we're speaking HTTP 1.1 and are expecting a 100-continue response.
def wait_for_continue(sock, ver)
if ver >= '1.1' and @header['expect'] and
@header['expect'].include?('100-continue')
if IO.select([sock.io], nil, nil, sock.continue_timeout)
res = HTTPResponse.read_new(sock)
unless res.kind_of?(Net::HTTPContinue)
throw :response, res
end
end
end
end
def write_header(sock, ver, path)
buf = "#{@method} #{path} HTTP/#{ver}\r\n"
each_capitalized do |k,v|
buf << "#{k}: #{v}\r\n"
end
buf << "\r\n"
sock.write buf
end
end
#
# HTTP request class.
# This class wraps together the request header and the request path.
# You cannot use this class directly. Instead, you should use one of its
# subclasses: Net::HTTP::Get, Net::HTTP::Post, Net::HTTP::Head.
#
class HTTPRequest < HTTPGenericRequest
# Creates HTTP request object.
def initialize(path, initheader = nil)
super self.class::METHOD,
self.class::REQUEST_HAS_BODY,
self.class::RESPONSE_HAS_BODY,
path, initheader
end
end
class HTTP # reopen
#
# HTTP/1.1 methods --- RFC2616
#
# See Net::HTTPGenericRequest for attributes and methods.
# See Net::HTTP for usage examples.
class Get < HTTPRequest
METHOD = 'GET'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
# See Net::HTTP for usage examples.
class Head < HTTPRequest
METHOD = 'HEAD'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = false
end
# See Net::HTTPGenericRequest for attributes and methods.
# See Net::HTTP for usage examples.
class Post < HTTPRequest
METHOD = 'POST'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
# See Net::HTTP for usage examples.
class Put < HTTPRequest
METHOD = 'PUT'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
# See Net::HTTP for usage examples.
class Delete < HTTPRequest
METHOD = 'DELETE'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Options < HTTPRequest
METHOD = 'OPTIONS'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = false
end
# See Net::HTTPGenericRequest for attributes and methods.
class Trace < HTTPRequest
METHOD = 'TRACE'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = true
end
#
# PATCH method --- RFC5789
#
# See Net::HTTPGenericRequest for attributes and methods.
class Patch < HTTPRequest
METHOD = 'PATCH'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
#
# WebDAV methods --- RFC2518
#
# See Net::HTTPGenericRequest for attributes and methods.
class Propfind < HTTPRequest
METHOD = 'PROPFIND'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Proppatch < HTTPRequest
METHOD = 'PROPPATCH'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Mkcol < HTTPRequest
METHOD = 'MKCOL'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Copy < HTTPRequest
METHOD = 'COPY'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Move < HTTPRequest
METHOD = 'MOVE'
REQUEST_HAS_BODY = false
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Lock < HTTPRequest
METHOD = 'LOCK'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
# See Net::HTTPGenericRequest for attributes and methods.
class Unlock < HTTPRequest
METHOD = 'UNLOCK'
REQUEST_HAS_BODY = true
RESPONSE_HAS_BODY = true
end
end
###
### Response
###
# HTTP exception class.
# You cannot use HTTPExceptions directly; instead, you must use
# its subclasses.
module HTTPExceptions
def initialize(msg, res) #:nodoc:
super msg
@response = res
end
attr_reader :response
alias data response #:nodoc: obsolete
end
class HTTPError < ProtocolError
include HTTPExceptions
end
class HTTPRetriableError < ProtoRetriableError
include HTTPExceptions
end
class HTTPServerException < ProtoServerError
# We cannot use the name "HTTPServerError", it is the name of the response.
include HTTPExceptions
end
class HTTPFatalError < ProtoFatalError
include HTTPExceptions
end
# HTTP response class.
#
# This class wraps together the response header and the response body (the
# entity requested).
#
# It mixes in the HTTPHeader module, which provides access to response
# header values both via hash-like methods and via individual readers.
#
# Note that each possible HTTP response code defines its own
# HTTPResponse subclass. These are listed below.
#
# All classes are
# defined under the Net module. Indentation indicates inheritance.
#
# xxx HTTPResponse
#
# 1xx HTTPInformation
# 100 HTTPContinue
# 101 HTTPSwitchProtocol
#
# 2xx HTTPSuccess
# 200 HTTPOK
# 201 HTTPCreated
# 202 HTTPAccepted
# 203 HTTPNonAuthoritativeInformation
# 204 HTTPNoContent
# 205 HTTPResetContent
# 206 HTTPPartialContent
#
# 3xx HTTPRedirection
# 300 HTTPMultipleChoice
# 301 HTTPMovedPermanently
# 302 HTTPFound
# 303 HTTPSeeOther
# 304 HTTPNotModified
# 305 HTTPUseProxy
# 307 HTTPTemporaryRedirect
#
# 4xx HTTPClientError
# 400 HTTPBadRequest
# 401 HTTPUnauthorized
# 402 HTTPPaymentRequired
# 403 HTTPForbidden
# 404 HTTPNotFound
# 405 HTTPMethodNotAllowed
# 406 HTTPNotAcceptable
# 407 HTTPProxyAuthenticationRequired
# 408 HTTPRequestTimeOut
# 409 HTTPConflict
# 410 HTTPGone
# 411 HTTPLengthRequired
# 412 HTTPPreconditionFailed
# 413 HTTPRequestEntityTooLarge
# 414 HTTPRequestURITooLong
# 415 HTTPUnsupportedMediaType
# 416 HTTPRequestedRangeNotSatisfiable
# 417 HTTPExpectationFailed
#
# 5xx HTTPServerError
# 500 HTTPInternalServerError
# 501 HTTPNotImplemented
# 502 HTTPBadGateway
# 503 HTTPServiceUnavailable
# 504 HTTPGatewayTimeOut
# 505 HTTPVersionNotSupported
#
# xxx HTTPUnknownResponse
#
class HTTPResponse
# true if the response has a body.
def HTTPResponse.body_permitted?
self::HAS_BODY
end
def HTTPResponse.exception_type # :nodoc: internal use only
self::EXCEPTION_TYPE
end
end # reopened after
# :stopdoc:
class HTTPUnknownResponse < HTTPResponse
HAS_BODY = true
EXCEPTION_TYPE = HTTPError
end
class HTTPInformation < HTTPResponse # 1xx
HAS_BODY = false
EXCEPTION_TYPE = HTTPError
end
class HTTPSuccess < HTTPResponse # 2xx
HAS_BODY = true
EXCEPTION_TYPE = HTTPError
end
class HTTPRedirection < HTTPResponse # 3xx
HAS_BODY = true
EXCEPTION_TYPE = HTTPRetriableError
end
class HTTPClientError < HTTPResponse # 4xx
HAS_BODY = true
EXCEPTION_TYPE = HTTPServerException # for backward compatibility
end
class HTTPServerError < HTTPResponse # 5xx
HAS_BODY = true
EXCEPTION_TYPE = HTTPFatalError # for backward compatibility
end
class HTTPContinue < HTTPInformation # 100
HAS_BODY = false
end
class HTTPSwitchProtocol < HTTPInformation # 101
HAS_BODY = false
end
class HTTPOK < HTTPSuccess # 200
HAS_BODY = true
end
class HTTPCreated < HTTPSuccess # 201
HAS_BODY = true
end
class HTTPAccepted < HTTPSuccess # 202
HAS_BODY = true
end
class HTTPNonAuthoritativeInformation < HTTPSuccess # 203
HAS_BODY = true
end
class HTTPNoContent < HTTPSuccess # 204
HAS_BODY = false
end
class HTTPResetContent < HTTPSuccess # 205
HAS_BODY = false
end
class HTTPPartialContent < HTTPSuccess # 206
HAS_BODY = true
end
class HTTPMultipleChoice < HTTPRedirection # 300
HAS_BODY = true
end
class HTTPMovedPermanently < HTTPRedirection # 301
HAS_BODY = true
end
class HTTPFound < HTTPRedirection # 302
HAS_BODY = true
end
HTTPMovedTemporarily = HTTPFound
class HTTPSeeOther < HTTPRedirection # 303
HAS_BODY = true
end
class HTTPNotModified < HTTPRedirection # 304
HAS_BODY = false
end
class HTTPUseProxy < HTTPRedirection # 305
HAS_BODY = false
end
# 306 unused
class HTTPTemporaryRedirect < HTTPRedirection # 307
HAS_BODY = true
end
class HTTPBadRequest < HTTPClientError # 400
HAS_BODY = true
end
class HTTPUnauthorized < HTTPClientError # 401
HAS_BODY = true
end
class HTTPPaymentRequired < HTTPClientError # 402
HAS_BODY = true
end
class HTTPForbidden < HTTPClientError # 403
HAS_BODY = true
end
class HTTPNotFound < HTTPClientError # 404
HAS_BODY = true
end
class HTTPMethodNotAllowed < HTTPClientError # 405
HAS_BODY = true
end
class HTTPNotAcceptable < HTTPClientError # 406
HAS_BODY = true
end
class HTTPProxyAuthenticationRequired < HTTPClientError # 407
HAS_BODY = true
end
class HTTPRequestTimeOut < HTTPClientError # 408
HAS_BODY = true
end
class HTTPConflict < HTTPClientError # 409
HAS_BODY = true
end
class HTTPGone < HTTPClientError # 410
HAS_BODY = true
end
class HTTPLengthRequired < HTTPClientError # 411
HAS_BODY = true
end
class HTTPPreconditionFailed < HTTPClientError # 412
HAS_BODY = true
end
class HTTPRequestEntityTooLarge < HTTPClientError # 413
HAS_BODY = true
end
class HTTPRequestURITooLong < HTTPClientError # 414
HAS_BODY = true
end
HTTPRequestURITooLarge = HTTPRequestURITooLong
class HTTPUnsupportedMediaType < HTTPClientError # 415
HAS_BODY = true
end
class HTTPRequestedRangeNotSatisfiable < HTTPClientError # 416
HAS_BODY = true
end
class HTTPExpectationFailed < HTTPClientError # 417
HAS_BODY = true
end
class HTTPInternalServerError < HTTPServerError # 500
HAS_BODY = true
end
class HTTPNotImplemented < HTTPServerError # 501
HAS_BODY = true
end
class HTTPBadGateway < HTTPServerError # 502
HAS_BODY = true
end
class HTTPServiceUnavailable < HTTPServerError # 503
HAS_BODY = true
end
class HTTPGatewayTimeOut < HTTPServerError # 504
HAS_BODY = true
end
class HTTPVersionNotSupported < HTTPServerError # 505
HAS_BODY = true
end
# :startdoc:
class HTTPResponse # reopen
CODE_CLASS_TO_OBJ = {
'1' => HTTPInformation,
'2' => HTTPSuccess,
'3' => HTTPRedirection,
'4' => HTTPClientError,
'5' => HTTPServerError
}
CODE_TO_OBJ = {
'100' => HTTPContinue,
'101' => HTTPSwitchProtocol,
'200' => HTTPOK,
'201' => HTTPCreated,
'202' => HTTPAccepted,
'203' => HTTPNonAuthoritativeInformation,
'204' => HTTPNoContent,
'205' => HTTPResetContent,
'206' => HTTPPartialContent,
'300' => HTTPMultipleChoice,
'301' => HTTPMovedPermanently,
'302' => HTTPFound,
'303' => HTTPSeeOther,
'304' => HTTPNotModified,
'305' => HTTPUseProxy,
'307' => HTTPTemporaryRedirect,
'400' => HTTPBadRequest,
'401' => HTTPUnauthorized,
'402' => HTTPPaymentRequired,
'403' => HTTPForbidden,
'404' => HTTPNotFound,
'405' => HTTPMethodNotAllowed,
'406' => HTTPNotAcceptable,
'407' => HTTPProxyAuthenticationRequired,
'408' => HTTPRequestTimeOut,
'409' => HTTPConflict,
'410' => HTTPGone,
'411' => HTTPLengthRequired,
'412' => HTTPPreconditionFailed,
'413' => HTTPRequestEntityTooLarge,
'414' => HTTPRequestURITooLong,
'415' => HTTPUnsupportedMediaType,
'416' => HTTPRequestedRangeNotSatisfiable,
'417' => HTTPExpectationFailed,
'500' => HTTPInternalServerError,
'501' => HTTPNotImplemented,
'502' => HTTPBadGateway,
'503' => HTTPServiceUnavailable,
'504' => HTTPGatewayTimeOut,
'505' => HTTPVersionNotSupported
}
class << HTTPResponse
def read_new(sock) #:nodoc: internal use only
httpv, code, msg = read_status_line(sock)
res = response_class(code).new(httpv, code, msg)
each_response_header(sock) do |k,v|
res.add_field k, v
end
res
end
private
def read_status_line(sock)
str = sock.readline
m = /\AHTTP(?:\/(\d+\.\d+))?\s+(\d\d\d)\s*(.*)\z/in.match(str) or
raise HTTPBadResponse, "wrong status line: #{str.dump}"
m.captures
end
def response_class(code)
CODE_TO_OBJ[code] or
CODE_CLASS_TO_OBJ[code[0,1]] or
HTTPUnknownResponse
end
def each_response_header(sock)
key = value = nil
while true
line = sock.readuntil("\n", true).sub(/\s+\z/, '')
break if line.empty?
if line[0] == ?\s or line[0] == ?\t and value
value << ' ' unless value.empty?
value << line.strip
else
yield key, value if key
key, value = line.strip.split(/\s*:\s*/, 2)
raise HTTPBadResponse, 'wrong header line format' if value.nil?
end
end
yield key, value if key
end
end
# next is to fix bug in RDoc, where the private inside class << self
# spills out.
public
include HTTPHeader
def initialize(httpv, code, msg) #:nodoc: internal use only
@http_version = httpv
@code = code
@message = msg
initialize_http_header nil
@body = nil
@read = false
end
# The HTTP version supported by the server.
attr_reader :http_version
# The HTTP result code string. For example, '302'. You can also
# determine the response type by examining which response subclass
# the response object is an instance of.
attr_reader :code
# The HTTP result message sent by the server. For example, 'Not Found'.
attr_reader :message
alias msg message # :nodoc: obsolete
def inspect
"#<#{self.class} #{@code} #{@message} readbody=#{@read}>"
end
#
# response <-> exception relationship
#
def code_type #:nodoc:
self.class
end
def error! #:nodoc:
raise error_type().new(@code + ' ' + @message.dump, self)
end
def error_type #:nodoc:
self.class::EXCEPTION_TYPE
end
# Raises an HTTP error if the response is not 2xx (success).
def value
error! unless self.kind_of?(HTTPSuccess)
end
#
# header (for backward compatibility only; DO NOT USE)
#
def response #:nodoc:
warn "#{caller(1)[0]}: warning: HTTPResponse#response is obsolete" if $VERBOSE
self
end
def header #:nodoc:
warn "#{caller(1)[0]}: warning: HTTPResponse#header is obsolete" if $VERBOSE
self
end
def read_header #:nodoc:
warn "#{caller(1)[0]}: warning: HTTPResponse#read_header is obsolete" if $VERBOSE
self
end
#
# body
#
def reading_body(sock, reqmethodallowbody) #:nodoc: internal use only
@socket = sock
@body_exist = reqmethodallowbody && self.class.body_permitted?
begin
yield
self.body # ensure to read body
ensure
@socket = nil
end
end
# Gets the entity body returned by the remote HTTP server.
#
# If a block is given, the body is passed to the block, and
# the body is provided in fragments, as it is read in from the socket.
#
# Calling this method a second or subsequent time for the same
# HTTPResponse object will return the value already read.
#
# http.request_get('/index.html') {|res|
# puts res.read_body
# }
#
# http.request_get('/index.html') {|res|
# p res.read_body.object_id # 538149362
# p res.read_body.object_id # 538149362
# }
#
# # using iterator
# http.request_get('/index.html') {|res|
# res.read_body do |segment|
# print segment
# end
# }
#
def read_body(dest = nil, &block)
if @read
raise IOError, "#{self.class}\#read_body called twice" if dest or block
return @body
end
to = procdest(dest, block)
stream_check
if @body_exist
read_body_0 to
@body = to
else
@body = nil
end
@read = true
@body
end
# Returns the full entity body.
#
# Calling this method a second or subsequent time will return the
# string already read.
#
# http.request_get('/index.html') {|res|
# puts res.body
# }
#
# http.request_get('/index.html') {|res|
# p res.body.object_id # 538149362
# p res.body.object_id # 538149362
# }
#
def body
read_body()
end
# Because it may be necessary to modify the body, Eg, decompression
# this method facilitates that.
def body=(value)
@body = value
end
alias entity body #:nodoc: obsolete
private
def read_body_0(dest)
if chunked?
read_chunked dest
return
end
clen = content_length()
if clen
@socket.read clen, dest, true # ignore EOF
return
end
clen = range_length()
if clen
@socket.read clen, dest
return
end
@socket.read_all dest
end
def read_chunked(dest)
len = nil
total = 0
while true
line = @socket.readline
hexlen = line.slice(/[0-9a-fA-F]+/) or
raise HTTPBadResponse, "wrong chunk size line: #{line}"
len = hexlen.hex
break if len == 0
begin
@socket.read len, dest
ensure
total += len
@socket.read 2 # \r\n
end
end
until @socket.readline.empty?
# none
end
end
def stream_check
raise IOError, 'attempt to read body out of block' if @socket.closed?
end
def procdest(dest, block)
raise ArgumentError, 'both arg and block given for HTTP method' \
if dest and block
if block
ReadAdapter.new(block)
else
dest || ''
end
end
end
# :enddoc:
#--
# for backward compatibility
class HTTP
ProxyMod = ProxyDelta
end
module NetPrivate
HTTPRequest = ::Net::HTTPRequest
end
HTTPInformationCode = HTTPInformation
HTTPSuccessCode = HTTPSuccess
HTTPRedirectionCode = HTTPRedirection
HTTPRetriableCode = HTTPRedirection
HTTPClientErrorCode = HTTPClientError
HTTPFatalErrorCode = HTTPClientError
HTTPServerErrorCode = HTTPServerError
HTTPResponceReceiver = HTTPResponse
end # module Net