# # = net/http.rb # # Copyright (c) 1999-2006 Yukihiro Matsumoto # Copyright (c) 1999-2006 Minero Aoki # Copyright (c) 2001 GOTOU Yuuzou # # Written and maintained by Minero Aoki . # HTTPS support added by GOTOU Yuuzou . # # 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. # # NOTE: You can find Japanese version of this document here: # http://www.ruby-lang.org/ja/man/?cmd=view;name=net%2Fhttp.rb # #-- # $Id$ #++ require 'net/protocol' require 'uri' module Net #:nodoc: # :stopdoc: class HTTPBadResponse < StandardError; end class HTTPHeaderSyntaxError < StandardError; end # :startdoc: # == What Is This Library? # # This library provides your program functions to access WWW # documents via HTTP, Hyper Text Transfer Protocol version 1.1. # For details of HTTP, refer [RFC2616] # (http://www.ietf.org/rfc/rfc2616.txt). # # == Examples # # === Getting Document From WWW Server # # Example #1: Simple GET+print # # require 'net/http' # Net::HTTP.get_print 'www.example.com', '/index.html' # # Example #2: Simple GET+print by URL # # require 'net/http' # require 'uri' # Net::HTTP.get_print URI.parse('http://www.example.com/index.html') # # Example #3: More generic GET+print # # require 'net/http' # require 'uri' # # url = URI.parse('http://www.example.com/index.html') # res = Net::HTTP.start(url.host, url.port) {|http| # http.get('/index.html') # } # puts res.body # # Example #4: More generic GET+print # # require 'net/http' # # url = URI.parse('http://www.example.com/index.html') # req = Net::HTTP::Get.new(url.path) # res = Net::HTTP.start(url.host, url.port) {|http| # http.request(req) # } # puts res.body # # === Posting Form Data # # require 'net/http' # require 'uri' # # #1: Simple POST # res = Net::HTTP.post_form(URI.parse('http://www.example.com/search.cgi'), # {'q'=>'ruby', 'max'=>'50'}) # puts res.body # # #2: POST with basic authentication # res = Net::HTTP.post_form(URI.parse('http://jack:pass@www.example.com/todo.cgi'), # {'from'=>'2005-01-01', 'to'=>'2005-03-31'}) # puts res.body # # #3: Detailed control # url = URI.parse('http://www.example.com/todo.cgi') # req = Net::HTTP::Post.new(url.path) # req.basic_auth 'jack', 'pass' # req.set_form_data({'from'=>'2005-01-01', 'to'=>'2005-03-31'}, ';') # res = Net::HTTP.new(url.host, url.port).start {|http| http.request(req) } # case res # when Net::HTTPSuccess, Net::HTTPRedirection # # OK # else # res.error! # end # # === Accessing via Proxy # # Net::HTTP.Proxy creates http proxy class. It has same # methods of Net::HTTP but its instances always connect to # proxy, instead of given host. # # require 'net/http' # # 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 # : # } # # Since Net::HTTP.Proxy returns Net::HTTP itself when proxy_addr is nil, # there's no need to change code if there's proxy or not. # # There are two additional parameters in Net::HTTP.Proxy which allow to # specify proxy user name and password: # # Net::HTTP::Proxy(proxy_addr, proxy_port, proxy_user = nil, proxy_pass = nil) # # You may use them to work with authorization-enabled proxies: # # require 'net/http' # require 'uri' # # proxy_host = 'your.proxy.host' # proxy_port = 8080 # uri = URI.parse(ENV['http_proxy']) # proxy_user, proxy_pass = uri.userinfo.split(/:/) if uri.userinfo # Net::HTTP::Proxy(proxy_host, proxy_port, # proxy_user, proxy_pass).start('www.example.com') {|http| # # always connect to your.proxy.addr:8080 using specified username and password # : # } # # Note that net/http never rely on HTTP_PROXY environment variable. # If you want to use proxy, set it explicitly. # # === Following Redirection # # require 'net/http' # require 'uri' # # def fetch(uri_str, limit = 10) # # You should choose better exception. # raise ArgumentError, 'HTTP redirect too deep' if limit == 0 # # response = Net::HTTP.get_response(URI.parse(uri_str)) # case response # when Net::HTTPSuccess then response # when Net::HTTPRedirection then fetch(response['location'], limit - 1) # else # response.error! # end # end # # print fetch('http://www.ruby-lang.org') # # Net::HTTPSuccess and Net::HTTPRedirection is a HTTPResponse class. # All HTTPResponse objects belong to its own response class which # indicate HTTP result status. For details of response classes, # see section "HTTP Response Classes". # # === Basic Authentication # # require 'net/http' # # Net::HTTP.start('www.example.com') {|http| # req = Net::HTTP::Get.new('/secret-page.html') # req.basic_auth 'account', 'password' # response = http.request(req) # print response.body # } # # === HTTP Request Classes # # Here is 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. # # HTTPResponse # HTTPUnknownResponse # HTTPInformation # 1xx # HTTPContinue # 100 # HTTPSwitchProtocl # 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 # # == Switching Net::HTTP versions # # You can use net/http.rb 1.1 features (bundled with Ruby 1.6) # by calling HTTP.version_1_1. Calling Net::HTTP.version_1_2 # allows you to use 1.2 features again. # # # example # Net::HTTP.start {|http1| ...(http1 has 1.2 features)... } # # Net::HTTP.version_1_1 # Net::HTTP.start {|http2| ...(http2 has 1.1 features)... } # # Net::HTTP.version_1_2 # Net::HTTP.start {|http3| ...(http3 has 1.2 features)... } # # This function is NOT thread-safe. # class HTTP < Protocol # :stopdoc: Revision = %q$Revision$.split[1] HTTPVersion = '1.1' @newimpl = true # :startdoc: # Turns on net/http 1.2 (ruby 1.8) features. # Defaults to ON in ruby 1.8. # # I strongly recommend to call this method always. # # require 'net/http' # Net::HTTP.version_1_2 # def HTTP.version_1_2 @newimpl = true end # Turns on net/http 1.1 (ruby 1.6) features. # Defaults to OFF in ruby 1.8. def HTTP.version_1_1 @newimpl = false end # true if net/http is in version 1.2 mode. # Defaults to true. def HTTP.version_1_2? @newimpl end # true if net/http is in version 1.1 compatible mode. # Defaults to true. def HTTP.version_1_1? not @newimpl 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 # # # Get body from target and output it to +$stdout+. The # target can either be specified as (+uri+), or as # (+host+, +path+, +port+ = 80); so: # # Net::HTTP.get_print URI.parse('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 # Send a GET request to the target and return the response # as a string. The target can either be specified as # (+uri+), or as (+host+, +path+, +port+ = 80); so: # # print Net::HTTP.get(URI.parse('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 # Send a GET request to the target and return the 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.parse('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.host, uri.port).start {|http| return http.request_get(uri.request_uri, &block) } end end # Posts HTML form data to the +URL+. # Form data must be represented as a Hash of String to String, e.g: # # { "cmd" => "search", "q" => "ruby", "max" => "50" } # # This method also does Basic Authentication iff +URL+.user exists. # # Example: # # require 'net/http' # require 'uri' # # HTTP.post_form URI.parse('http://www.example.com/search.cgi'), # { "q" => "ruby", "max" => "50" } # def HTTP.post_form(url, params) req = Post.new(url.path) req.form_data = params req.basic_auth url.user, url.password if url.user new(url.host, 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 # creates a new Net::HTTP object and opens its TCP connection and # HTTP session. 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. def HTTP.start(address, port = nil, p_addr = nil, p_port = nil, p_user = nil, p_pass = nil, &block) # :yield: +http+ new(address, port, p_addr, p_port, p_user, p_pass).start(&block) end class << HTTP alias newobj new end # Creates a new Net::HTTP object. # If +proxy_addr+ is given, creates an Net::HTTP object with proxy support. # This method does not open the TCP connection. def HTTP.new(address, port = nil, p_addr = nil, p_port = nil, p_user = nil, p_pass = nil) h = Proxy(p_addr, p_port, p_user, p_pass).newobj(address, port) h.instance_eval { @newimpl = ::Net::HTTP.version_1_2? } h end # Creates a new Net::HTTP object for the specified +address+. # This method does not open the TCP connection. def initialize(address, port = nil) @address = address @port = (port || HTTP.default_port) @curr_http_version = HTTPVersion @seems_1_0_server = false @close_on_empty_response = false @socket = nil @started = false @open_timeout = nil @read_timeout = 60 @debug_output = nil @use_ssl = false @ssl_context = nil end def inspect "#<#{self.class} #{@address}:#{@port} open=#{started?}>" end # *WARNING* This method causes serious security hole. # Never use this method in production code. # # Set 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 host name to connect to. attr_reader :address # The port number to connect to. attr_reader :port # Seconds to wait until connection is opened. # If the HTTP object cannot open a connection in this many seconds, # it raises a TimeoutError exception. attr_accessor :open_timeout # Seconds to wait until reading one block (by one read(2) call). # If the HTTP object cannot open a connection in this many seconds, # it raises a TimeoutError exception. attr_reader :read_timeout # Setter for the read_timeout attribute. def read_timeout=(sec) @socket.read_timeout = sec if @socket @read_timeout = sec end # returns true if the HTTP session is started. def started? @started end alias active? started? #:nodoc: obsolete attr_accessor :close_on_empty_response # returns true if use SSL/TLS with HTTP. def use_ssl? false # redefined in net/https end # Opens TCP connection and HTTP session. # # When this method is called with block, gives a HTTP object # to the block and closes the TCP connection / HTTP session # after the block executed. # # When called with a block, returns the return value of the # block; otherwise, 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? unless @ssl_context.verify_mode warn "warning: peer certificate won't be verified in this SSL session" @ssl_context.verify_mode = OpenSSL::SSL::VERIFY_NONE end s = OpenSSL::SSL::SSLSocket.new(s, @ssl_context) s.sync_close = true end @socket = BufferedIO.new(s) @socket.read_timeout = @read_timeout @socket.debug_output = @debug_output if use_ssl? 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 s.connect end on_connect end private :connect def on_connect end private :on_connect # Finishes HTTP session and closes TCP connection. # Raises IOError if not 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. # Arguments are address/port of proxy host and username/password # if authorization on proxy server is required. # You can replace the HTTP class with created proxy class. # # If ADDRESS is nil, this method returns self (Net::HTTP). # # # Example # proxy_class = Net::HTTP::Proxy('proxy.example.com', 8080) # : # proxy_class.start('www.ruby-lang.org') {|http| # # connecting proxy.foo.org:8080 # : # } # 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 attr_reader :proxy_address attr_reader :proxy_port attr_reader :proxy_user attr_reader :proxy_pass end # True if self is a HTTP proxy class. def proxy? self.class.proxy_class? end # Address of proxy host. If self does not use a proxy, nil. def proxy_address self.class.proxy_address end # Port number of proxy host. If self does not use a proxy, nil. def proxy_port self.class.proxy_port end # User name for accessing proxy. If self does not use a proxy, nil. def proxy_user self.class.proxy_user end # User password for accessing proxy. If self does not use a proxy, nil. 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. # +header+ must be a Hash like { 'Accept' => '*/*', ... }. # # In version 1.1 (ruby 1.6), this method returns a pair of objects, # a Net::HTTPResponse object and the entity body string. # In version 1.2 (ruby 1.8), 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. # # In version 1.1, this method might raise an exception for # 3xx (redirect). In this case you can get a HTTPResponse object # by "anException.response". # # In version 1.2, this method never raises exception. # # # version 1.1 (bundled with Ruby 1.6) # response, body = http.get('/index.html') # # # version 1.2 (bundled with Ruby 1.8 or later) # 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 = nil, dest = nil, &block) # :yield: +body_segment+ res = nil request(Get.new(path, initheader)) {|r| r.read_body dest, &block res = r } unless @newimpl res.value return res, res.body end 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. # # In version 1.1, this method might raise an exception for # 3xx (redirect). On the case you can get a HTTPResponse object # by "anException.response". # In version 1.2, 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) res = request(Head.new(path, initheader)) res.value unless @newimpl res end # Posts +data+ (must be a String) to +path+. +header+ must be a Hash # like { 'Accept' => '*/*', ... }. # # In version 1.1 (ruby 1.6), this method returns a pair of objects, a # Net::HTTPResponse object and an entity body string. # In version 1.2 (ruby 1.8), 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 are 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. # # In version 1.1, this method might raise an exception for # 3xx (redirect). In this case you can get an HTTPResponse object # by "anException.response". # In version 1.2, this method never raises exception. # # # version 1.1 # response, body = http.post('/cgi-bin/search.rb', 'query=foo') # # # version 1.2 # 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+ res = nil request(Post.new(path, initheader), data) {|r| r.read_body dest, &block res = r } unless @newimpl res.value return res, res.body end res end def put(path, data, initheader = nil) #:nodoc: res = request(Put.new(path, initheader), data) res.value unless @newimpl res 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+ and gets a response, # as an HTTPResponse object. # # When called with a block, yields an HTTPResponse object. # The body of this response will not have been read yet; # the caller 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 here. # p response['content-type'] # puts response.body # # # using 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 gets a response, # as an 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+ and gets a response, # as an HTTPResponse object. # # When called with a block, yields an HTTPResponse object. # The body of this response will not have been read yet; # the caller 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 # # # 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. # This method also sends DATA string if DATA is given. # # Returns a 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 REQUEST to the HTTP server. # This method also sends DATA string if REQUEST is a post/put request. # Giving DATA for get/head request causes ArgumentError. # # When called with a block, yields an HTTPResponse object. # The body of this response will not have been read yet; # the caller can process it using HTTPResponse#read_body, # if desired. # # Returns a HTTPResponse object. # # 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() unless use_ssl? req.proxy_basic_auth proxy_user(), proxy_pass() end end req.set_body_internal body begin_transport req 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? } end_transport req, res res end private def begin_transport(req) if @socket.closed? connect end if @seems_1_0_server req['connection'] ||= 'close' end 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 not res.body and @close_on_empty_response D 'Conn close' @socket.close elsif keep_alive?(req, res) D 'Conn keep-alive' if @socket.closed? D 'Conn (but seems 1.0 server)' @seems_1_0_server = true end else D 'Conn close' @socket.close end end def keep_alive?(req, res) return false if /close/i =~ req['connection'].to_s return false if @seems_1_0_server return true if /keep-alive/i =~ res['connection'].to_s return false if /close/i =~ res['connection'].to_s return true if /keep-alive/i =~ res['proxy-connection'].to_s return false if /close/i =~ res['proxy-connection'].to_s (@curr_http_version == '1.1') 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 # # Header module. # # Provides access to @header in the mixed-into class as a hash-like # object, except with case-insensitive keys. Also provides # methods for accessing commonly-used header values in a more # convenient format. # 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 header field instead of replace. # 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 nil, # 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.join(', ') end # Iterates for each header names and values. def each_header #:yield: +key+, +value+ @header.each do |k,va| yield k, va.join(', ') end end alias each each_header # Iterates for each header names. def each_name(&block) #:yield: +key+ @header.each_key(&block) end alias each_key each_name # Iterates for each capitalized header names. def each_capitalized_name(&block) #:yield: +key+ @header.each_key do |k| yield capitalize(k) end end # Iterates for each header values. def each_value #:yield: +value+ @header.each_value do |va| yield va.join(', ') end end # Removes a header field. def delete(key) @header.delete(key.downcase) end # true if +key+ header exists. def key?(key) @header.key?(key.downcase) end # Returns a Hash consist of header names and values. def to_hash @header.dup end # As for #each_header, except the keys are provided in capitalized form. def each_capitalized @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 represents Range: 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 # Set Range: header from Range (arg r) or beginning index and # length from it (arg idx&len). # # 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 Content-Length: header field # or +nil+ if that field is 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 Content-Range: header field. # This indicates, for a partial entity body, where this fragment # fits inside the full entity body, as range of byte offsets. def content_range return nil unless @header['content-range'] m = %ri.match(self['Content-Range']) or raise HTTPHeaderSyntaxError, 'wrong Content-Range format' m[1].to_i .. m[2].to_i + 1 end # The length of the range represented in Content-Range: header. def range_length r = content_range() or return nil r.end - r.begin 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'] main, sub = *self['Content-Type'].split(';').first.to_s.split('/') return nil unless sub sub.strip end # Returns content type parameters as a Hash as like # {"charset" => "iso-2022-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 # Set Content-Type: header field by +type+ and +params+. # +type+ must be a String, +params+ must be a Hash. 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 a Hash containing HTML form data. # Optional argument +sep+ means data record separator. # # This method also set Content-Type: header field to # application/x-www-form-urlencoded. def set_form_data(params, sep = '&') self.body = params.map {|k,v| "#{urlencode(k.to_s)}=#{urlencode(v.to_s)}" }.join(sep) self.content_type = 'application/x-www-form-urlencoded' end alias form_data= set_form_data def urlencode(str) str.gsub(/[^a-zA-Z0-9_\.\-]/n) {|s| sprintf('%%%02x', s[0]) } end private :urlencode # 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 end # # Parent of HTTPRequest class. Do not use this directly; use # a subclass of HTTPRequest. # # Mixes in the HTTPHeader module. # class HTTPGenericRequest include HTTPHeader def initialize(m, reqbody, resbody, path, initheader = nil) @method = m @request_has_body = reqbody @response_has_body = resbody raise ArgumentError, "HTTP request path is empty" if path.empty? @path = path initialize_http_header initheader self['Accept'] ||= '*/*' @body = nil @body_stream = 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 str end attr_reader :body_stream def body_stream=(input) @body = nil @body_stream = input 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 else write_header sock, ver, path end end private def send_request_with_body(sock, ver, path, body) self.content_length = body.length delete 'Transfer-Encoding' supply_default_content_type write_header sock, ver, path 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 if chunked? while s = f.read(1024) sock.write(sprintf("%x\r\n", s.length) << s << "\r\n") end sock.write "0\r\n\r\n" else while s = f.read(1024) sock.write s end end 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 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 request header and entity path. # You *must* use its subclass, Net::HTTP::Get, Post, 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 # class Get < HTTPRequest METHOD = 'GET' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = true end class Head < HTTPRequest METHOD = 'HEAD' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = false end class Post < HTTPRequest METHOD = 'POST' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Put < HTTPRequest METHOD = 'PUT' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Delete < HTTPRequest METHOD = 'DELETE' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = true end class Options < HTTPRequest METHOD = 'OPTIONS' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = false end class Trace < HTTPRequest METHOD = 'TRACE' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = true end # # WebDAV methods --- RFC2518 # class Propfind < HTTPRequest METHOD = 'PROPFIND' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Proppatch < HTTPRequest METHOD = 'PROPPATCH' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Mkcol < HTTPRequest METHOD = 'MKCOL' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Copy < HTTPRequest METHOD = 'COPY' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = true end class Move < HTTPRequest METHOD = 'MOVE' REQUEST_HAS_BODY = false RESPONSE_HAS_BODY = true end class Lock < HTTPRequest METHOD = 'LOCK' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end class Unlock < HTTPRequest METHOD = 'UNLOCK' REQUEST_HAS_BODY = true RESPONSE_HAS_BODY = true end end ### ### Response ### # HTTP exception class. # 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 response header and entity. # Mixes in the HTTPHeader module, which provides access to response # header values both via hash-like methods and 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 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) while true line = sock.readuntil("\n", true).sub(/\s+\z/, '') break if line.empty? m = /\A([^:]+):\s*/.match(line) or raise HTTPBadResponse, 'wrong header line format' yield m[1], m.post_match end 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 # HTTP result code string. For example, '302'. You can also # determine the response type by which response subclass the # response object is an instance of. attr_reader :code # HTTP result message. For example, 'Not Found'. attr_reader :message alias msg message # :nodoc: obsolete def inspect "#<#{self.class} #{@code} #{@message} readbody=#{@read}>" end # For backward compatibility. # To allow Net::HTTP 1.1 style assignment # e.g. # response, body = Net::HTTP.get(....) # def to_ary warn "net/http.rb: warning: Net::HTTP v1.1 style assignment found at #{caller(1)[0]}; use `response = http.get(...)' instead." if $VERBOSE res = self.dup class << res undef to_ary end [res, res.body] 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 HTTP error if the response is not 2xx. 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 entity body. If the block given, yields it to +block+. # The body is provided in fragments, as it is read in from the socket. # # Calling this method a second or subsequent time will return the # already read string. # # 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 entity body. # # Calling this method a second or subsequent time will return the # already read string. # # 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 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 @socket.read len, dest; total += len @socket.read 2 # \r\n 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