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require 'net/protocol'
require 'uri'
require 'timeout'
#
#
# added @raw
# added @real_response
#
#
# Modified HTTP to return the real header block
# This *works* with Ruby1.8.7 and Ruby1.9.1
# HTTPS loses SPI
# The ExtendedHTTP class is used in place of the HTTP class
# for example,
# http=ExtendedHTTP.new(@uri.host,@uri.port)
# The ExtendedHTTP class uses the ExtendedHTTPResponse class
class ExtendedHTTP < Net::HTTP #:nodoc:
include Net
# class HTTP < Protocol
# Creates a new Net::HTTP object for the specified +address+.
# This method does not open the TCP connection.
#
# ExtendedHTTP :: initialize
# added @raw=[]
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
#$DEBUG=true
if defined?(SSL_ATTRIBUTES)
SSL_ATTRIBUTES.each do |name|
instance_variable_set "@#{name}", nil
end
end
# added for whatweb
@raw = []
end
# ExtendedHTTP :: raw
# added def raw
def raw
@raw
end
# ExtendedHTTP :: raw
# added @raw
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 ''
# whatweb
# HTTPResponse.read_new(@socket).value
x,raw = ExtendedHTTPResponse.read_new(@socket)
@raw << raw
res = x.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 transport_request(req)
begin_transport req
res = catch(:response) {
req.exec @socket, @curr_http_version, edit_path(req.path)
begin
# added for whatweb
#res = HTTPResponse.read_new(@socket)
res, y = ExtendedHTTPResponse.read_new(@socket)
@raw << y
#
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
end
# added @raw
class ExtendedHTTPResponse < Net::HTTPResponse # reopen
include Net
class << self
# read_new and read_status_line are copied from ruby 2
def read_new(sock) #:nodoc: internal use only
x,httpv, code, msg = read_status_line(sock)
@rawlines= x + "\n"
res = response_class(code).new(httpv, code, msg)
each_response_header(sock) do |k,v|
res.add_field k, v
end
# added for whatweb
real = @rawlines
#pp real
[res,real]
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}"
[str] + m.captures
end
def each_response_header(sock)
key = value = nil
while true
line = sock.readuntil("\n", true).sub(/\s+\z/, '')
# added for whatweb
@rawlines << line + "\n" unless line.nil?
#
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 Net::HTTPBadResponse, 'wrong header line format' if value.nil?
end
end
yield key, value if key
end
end
public
def initialize(httpv, code, msg) #:nodoc: internal use only
@http_version = httpv
@code = code
@message = msg
initialize_http_header nil
@body = nil
@read = false
# whatweb
@realresponse=[]
@rawlines=""
end
end
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