Class: Watobo::HTTPSocket::ClientSocket

Inherits:
Object
  • Object
show all
Defined in:
lib/watobo/sockets/client_socket.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(socket, req = nil) ⇒ ClientSocket

Returns a new instance of ClientSocket.



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# File 'lib/watobo/sockets/client_socket.rb', line 110

def initialize(socket, req=nil)
  @socket = socket
  @port = nil
  @address = nil
  @host = nil
  @site = nil
  @ssl = false
  @initial_request = req
  @persistent = false

  # TODO: Fake Certs Should be global accessable

end

Instance Attribute Details

#address ⇒ Object

Returns the value of attribute address.



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# File 'lib/watobo/sockets/client_socket.rb', line 6

def address
  @address
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/watobo/sockets/client_socket.rb', line 7

def host
  @host
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/watobo/sockets/client_socket.rb', line 5

def port
  @port
end

#site ⇒ Object

Returns the value of attribute site.



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# File 'lib/watobo/sockets/client_socket.rb', line 8

def site
  @site
end

#ssl ⇒ Object

Returns the value of attribute ssl.



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# File 'lib/watobo/sockets/client_socket.rb', line 9

def ssl
  @ssl
end

Class Method Details

.connect(socket) ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 124

def self.connect(socket)
  request = []
  @fake_certs ||= {}
  @dh_key ||= Watobo::CA.dh_key

  ra = socket.remote_address
  cport = ra.ip_port
  caddr = ra.ip_address
  #puts cport
  #puts caddr

  optval = [1, 500_000].pack("I_2")
  # socket.setsockopt Socket::SOL_SOCKET, Socket::SO_RCVTIMEO, optval
  # socket.setsockopt Socket::SOL_SOCKET, Socket::SO_SNDTIMEO, optval
  socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
  # socket.setsockopt Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1
  socket.sync = true

  session = socket

  if Watobo::Interceptor::Proxy.transparent?


    ci = Watobo::Interceptor::Transparent.info({'host' => caddr, 'port' => cport})
    unless ci.nil? or ci['target'].empty? or ci['cn'].empty?
      puts "SSL-REQUEST FROM #{caddr}:#{cport}"

      ctx = Watobo::CertStore.acquire_ssl_ctx ci['target'], ci['cn']

      begin
        ssl_socket = OpenSSL::SSL::SSLSocket.new(socket, ctx)
        #ssl_socket.setsockopt( Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
        # ssl_socket.sync_close = true
        ssl_socket.sync = true
        # puts ssl_socket.methods.sort
        session = ssl_socket.accept
      rescue OpenSSL::SSL::SSLError => e
        puts ">> SSLError"
        puts e
        return nil, session
      rescue => bang
        puts bang
        puts bang.backtrace
        return nil, session
      end
    end
  end

  begin
    Watobo::HTTPSocket.read_header(session) do |line|
      request << line
    end
  rescue => bang
    puts bang
    puts bang.backtrace if $DEBUG
    return nil
  end

  return nil if request.empty?

  if Watobo::Interceptor::Proxy.transparent?
    #puts "> get hostname ..."
    thn = nil
    request.each do |l|
      if l =~ /^Host: (.*)/
        thn = $1.strip
        #   puts ">> #{thn}"
      end
    end
    # puts session.class
    # puts "* fix request line ..."
    # puts request.first
    # puts ">>"
    if session.is_a? OpenSSL::SSL::SSLSocket
      request.first.gsub!(/(^[^[:space:]]{1,}) (.*) (HTTP.*)/i, "\\1 https://#{thn}\\2 \\3") unless request.first =~ /^[^[:space:]]{1,} http/
    else
      request.first.gsub!(/(^[^[:space:]]{1,}) (.*) (HTTP.*)/i, "\\1 http://#{thn}\\2 \\3") unless request.first =~ /^[^[:space:]]{1,} http/
    end
    #puts request.first
  end

  if request.first =~ /^CONNECT (.*):(\d{1,5}) HTTP\/1\./ then
    target = $1
    tport = $2
    # puts request.first
    # print "\n* CONNECT: #{target} on port #{tport}\n"
    site = "#{target}:#{tport}"
    #puts "CONNECT #{site}"

    socket.print "HTTP/1.0 200 Connection established\r\n" +
                     #"Proxy-connection: Keep-alive\r\n" +
                     "Proxy-agent: WATOBO-Proxy/1.1\r\n" +
                     "\r\n"
    bscount = 0 # bad handshake counter
    #  puts "* wait for ssl handshake ..."
    begin
      unless @fake_certs.has_key? site
        puts "CREATE NEW CERTIFICATE FOR >> #{site} <<"
        cn = Watobo::HTTPSocket.get_ssl_cert_cn(target, tport)
        puts "CN=#{cn}"

        cert = {
            :hostname => cn,
            :type => 'server',
            :user => 'watobo',
            :email => 'root@localhost',
        }

        cert_file, key_file = Watobo::CA.create_cert cert
        @fake_certs[site] = {
            :cert => OpenSSL::X509::Certificate.new(File.read(cert_file)),
            :key => OpenSSL::PKey::RSA.new(File.read(key_file))
        }
      end
      ctx = OpenSSL::SSL::SSLContext.new()

      #ctx.cert = @cert
      ctx.cert = @fake_certs[site][:cert]
      #  @ctx.key = OpenSSL::PKey::DSA.new(File.read(key_file))
      #ctx.key = @key
      ctx.key = @fake_certs[site][:key]
      ctx.tmp_dh_callback = proc { |*args|
        @dh_key
      }

      ctx.verify_mode = OpenSSL::SSL::VERIFY_NONE
      ctx.timeout = 10

      ssl_socket = OpenSSL::SSL::SSLSocket.new(socket, ctx)
      ssl_socket.setsockopt(Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
      #  ssl_socket.sync_close = true
      ssl_socket.sync = true
      # puts ssl_socket.methods.sort

      ssl_session = ssl_socket.accept

      session = ssl_session
      request = []

      Watobo::HTTPSocket.read_header(session) do |line|
        request << line
      end
      return nil if request.empty?
      return nil if request.first.nil?

      unless request.first =~ /(^[^[:space:]]{1,}) http/
        request.first.gsub!(/(^[^[:space:]]{1,})( )(\/.*)/, "\\1 https://#{site}\\3")
      end

      request = Watobo::Request.new(request)
    rescue => bang
      puts bang
      puts bang.backtrace if $DEBUG

      return nil

    end

  else
    # puts "* create request object"
    request = Watobo::Request.new(request)
    site = request.site
    #puts request
  end

  #puts "CLIENT REQUEST:"
  #puts request

  begin

    unless request.nil?
      clen = request.content_length
      if clen > 0 then
        body = ""
        Watobo::HTTPSocket.read_body(session) do |data|
          body << data
          break if body.length == clen
        end

        request << body unless body.empty?
      end
      connection = ClientSocket.new(session, request)
    else
      connection = ClientSocket.new(session)
    end

    connection.ssl = true if session.class.to_s =~ /ssl/i

    # ra = session.remote_address
    # connection.port = ra.ip_port
    # connection.address = ra.ip_address
    # connection.site = site

    connection.port = cport
    connection.address = caddr
    connection.site = site
  rescue => bang
    puts bang
    puts bang.backtrace
  end
  connection
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 20

def close
  begin
    #if socket.class.to_s =~ /SSLSocket/
    if @socket.respond_to? :shutdown
      @socket.shutdown(Socket::SHUT_RDWR)
    end
    # finally close it
    if @socket.respond_to? :close
      @socket.close
    elsif @socket.respond_to? :sysclose
      socket.io.shutdown(Socket::SHUT_RDWR)
      @socket.sysclose
    end
    return true
  rescue => bang
    puts bang
    puts bang.backtrace if $DEBUG
  end
  false
end

#flush ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 16

def flush
  @socket.flush
end

#read_header ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 41

def read_header
  request = []
  Watobo::HTTPSocket.read_client_header(@socket) do |line|
    request << line
  end

  return nil if request.empty?
  unless request.first =~ /(^[^[:space:]]{1,}) http/
    request.first.gsub!(/(^[^[:space:]]{1,})( )(\/.*)/, "\\1 https://#{@site}\\3")
  end

  Watobo::Request.new(request)
end

#request ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 59

def request
  @persistent = false
  begin
    unless @initial_request.nil?
      request = @initial_request.copy

      #puts "\n>> Request RAW:"
      #puts request
      #puts "\n>> Request RAW (HEX):"
      #puts request.join.unpack("H*")[0]

      @initial_request = nil
      clean_request request
      return request
    end

    request = read_header

    return nil if request.nil?

    @persistent = !request.connection_close?

    clen = request.content_length
    if clen > 0 then
      body = ""
      Watobo::HTTPSocket.read_body(@socket) do |data|
        body << data
        break if body.length == clen
      end

      puts "* CLEN = #{clen} - read body (#{body.length})"
      request << body
    end
  rescue => bang
    puts bang
  end

  puts "\n>> Request RAW:"
  puts request
  puts "\n>> Request RAW (HEX):"
#  puts request.unpack("H*")[0]

  clean_request request

  request
end

#send_response(response) ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 106

def send_response(response)

end

#ssl? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/watobo/sockets/client_socket.rb', line 55

def ssl?
  @ssl == true
end

#write(data) ⇒ Object 



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# File 'lib/watobo/sockets/client_socket.rb', line 11

def write(data)
  @socket.write data
  @socket.flush
end