Module: Watobo::HTTPSocket

Defined in:
lib/watobo/sockets/agent.rb,
lib/watobo/sockets/ntlm_auth.rb,
lib/watobo/sockets/connection.rb,
lib/watobo/sockets/http_socket.rb,
lib/watobo/sockets/client_socket.rb

Overview

:nodoc: all

Defined Under Namespace

Modules: NTLMAuth Classes: Agent_UNUSED, ClientSocket, ClientSocket_ORIG, Connection_UNUSED

Class Method Summary collapse

Class Method Details

.close(socket) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 4

def self.close(socket)
  #  def close
  begin
  #if socket.class.to_s =~ /SSLSocket/
    if socket.respond_to? :sysclose
    #socket.io.shutdown(2)
    socket.sysclose
    elsif socket.respond_to? :shutdown
      #puts "SHUTDOWN"
      socket.shutdown(Socket::SHUT_RDWR)
    end
    # finally close it
    if socket.respond_to? :close
    socket.close
    end
    return true
  rescue => bang
    puts bang
    puts bang.backtrace if $DEBUG
  end
  false
# end
end

.get_peer_subject(socket) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 146

def self.get_peer_subject(socket)
  begin
    ctx = OpenSSL::SSL::SSLContext.new()
    ctx.tmp_dh_callback = proc { |*args|
      OpenSSL::PKey::DH.new(128)
    }
    ssl_sock = OpenSSL::SSL::SSLSocket.new(socket, ctx)
    subject = ssl_sock.peer_cert.subject
    return subject
  rescue => bang
    puts bang
    puts bang.backtrace
  end
  return nil
end

.get_ssl_cert_cn(host, port) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 108

def self.get_ssl_cert_cn( host, port)
  cn = ""
  # if target is an ip address we use the cn name of the certificate
  # otherwise we return the hostname
  return host unless host =~ /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/

  begin
    tcp_socket = TCPSocket.new( host, port )
    tcp_socket.setsockopt( Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
    tcp_socket.sync = true
    ctx = OpenSSL::SSL::SSLContext.new()
   # puts ctx.ciphers

    ctx.tmp_dh_callback = proc { |*args|
      OpenSSL::PKey::DH.new(128)
    }

    socket = OpenSSL::SSL::SSLSocket.new(tcp_socket, ctx)
    # need hostname for SNI (Server Name Indication)
    # http://en.wikipedia.org/wiki/Server_Name_Indication
    socket.hostname = host

    socket.connect
    cert = socket.peer_cert

    cn = $1 if cert.subject.to_s =~ /cn=([^\/]*)/i

    socket.io.shutdown(2)
  rescue => bang
    puts bang
    puts ">> #{host}:#{port}"
    cn = host
  ensure
    socket.close if socket.respond_to? :close
  end
  cn
end

.read_body(socket, prefs = nil) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 162

def self.read_body(socket, prefs=nil)
  buf = nil
  max_bytes = -1
  unless prefs.nil?
    max_bytes = prefs[:max_bytes] unless prefs[:max_bytes].nil?
  end
  bytes_to_read = max_bytes >= 0 ? max_bytes : 1024

  bytes_read = 0
  while max_bytes < 0 or bytes_to_read > 0
    begin
    #   timeout(5) do
    # puts "<#{bytes_to_read} / #{bytes_read} / #{max_bytes}"
      buf = socket.readpartial(bytes_to_read)
      bytes_read += buf.length
      #   end
    rescue EOFError
      if $DEBUG
        puts "#{buf.class} - #{buf}"
      end
      # unless buf.nil?
      #   yield buf if block_given?
      # end
      #buf = nil
      break
      #return
    rescue Timeout::Error
      puts "!!! Timeout: read_body (max_bytes=#{max_bytes})"
      #puts "* last data seen on socket:"
      # puts buf
      puts $!.backtrace if $DEBUG
      break
    rescue => bang
      print "E!"
      puts bang.backtrace if $DEBUG
    break
    end
    break if buf.nil?
    yield buf if block_given?
    break if max_bytes >= 0 and bytes_read >= max_bytes
    bytes_to_read -= bytes_read if max_bytes >= 0 && bytes_to_read >= bytes_read
  end
  return
end

.read_client_header(socket) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 293

def self.read_client_header(socket)
  buf = ''

  while true
    begin
    #Timeout::timeout(1.5) do
      buf = socket.gets
      #end
    rescue EOFError => e
      puts "EOFError: #{e}"
      #puts "!!! EOF: reading header"
      # buf = nil
      return true
    rescue Errno::ECONNRESET => e
      puts "ECONNRESET: #{e}"
      #puts "!!! CONNECTION RESET: reading header"
      #buf = nil
      #return
      #raise
      return false
    rescue Errno::ECONNABORTED => e
      puts "ECONNABORTED: #{e}"
      #raise
      return false
    rescue Timeout::Error => e
      puts "TIMEOUT: #{e}"
      return false
    rescue => bang
    # puts "!!! READING HEADER:"
    # puts buf
      puts bang
      puts bang.backtrace
      raise
    end

    return false if buf.nil?
    
   # puts buf

    yield buf if block_given?
    return if buf.strip.empty?
  end
end

.read_header(socket) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 257

def self.read_header(socket)
  buf = ''

  while true
    begin
      buf = socket.gets
    rescue EOFError
      puts "!!! EOF: reading header"
      # buf = nil
      return
    rescue Errno::ECONNRESET
    #puts "!!! CONNECTION RESET: reading header"
    #buf = nil
    #return
      raise
    rescue Errno::ECONNABORTED
      raise
    rescue Timeout::Error
    #puts "!!! TIMEOUT: reading header"
    #return
      raise
    rescue => bang
    # puts "!!! READING HEADER:"
    # puts buf
      puts bang
      puts bang.backtrace
      raise
    end

    return if buf.nil?

    yield buf if block_given?
    return if buf.strip.empty?
  end
end

.readChunkedBody(socket, &block) ⇒ Object 



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# File 'lib/watobo/sockets/http_socket.rb', line 207

def self.readChunkedBody(socket, &block)
  buf = nil
  while (chunk_size = socket.gets)
    
    if chunk_size.strip.empty?
      yield chunk_size
      next 
    end
    next unless chunk_size.strip =~/^[a-fA-F0-9]+$/
    yield "#{chunk_size.strip}\n" if block_given?
    bytes_to_read = num_bytes = chunk_size.strip.hex
    # puts "> chunk-length: 0x#{chunk_size.strip}(#{num_bytes})"
    return if num_bytes == 0
    bytes_read = 0
    while bytes_read < num_bytes
      begin
      # timeout(5) do
        bytes_to_read = num_bytes - bytes_read
        # puts bytes_to_read.to_s
        buf = socket.readpartial(bytes_to_read)
        bytes_read += buf.length
        # puts bytes_read.to_s
        # end
      rescue EOFError
      # yield buf if buf
        return
      rescue Timeout::Error
        puts "!!! Timeout: readChunkedBody (bytes_to_read=#{bytes_to_read}"
        #puts "* last data seen on socket:"
        # puts buf
        return
      rescue => bang
      # puts "!!! Error (???) reading body:"
      # puts bang
      # puts bang.class
      # puts bang.backtrace.join("\n")
      # puts "* last data seen on socket:"
      # puts buf
        print "E!"
      return
      end
      # puts bytes_read.to_s
      yield buf if block_given?
    #return if max_bytes > 0 and bytes_read >= max_bytes
    end
    yield "\r\n" if block_given?
  end
#  end
end

.siteAlive?(chat) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/watobo/sockets/http_socket.rb', line 28

def self.siteAlive?(chat)
  #puts chat.class
  site = nil
  host = nil
  port = nil

  site = chat.request.site

  #return @sites_online[site] if @sites_online.has_key?(site)

  proxy = Watobo::ForwardingProxy.get site

  unless proxy.nil?
    Watobo.print_debug("Using Proxy","#{proxy.to_yaml}") if $DEBUG

    puts "* testing proxy connection:"
    puts "#{proxy.name} (#{proxy.host}:#{proxy.port})"

  host = proxy.host
  port = proxy.port

  else
    print "* check if site is alive (#{site}) ... "
  host = chat.request.host
  port = chat.request.port

  end

  return false if host.nil? or port.nil?

  begin
    tcp_socket = nil
    #  timeout(6) do

    tcp_socket = TCPSocket.new( host, port)
    tcp_socket.setsockopt( Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
    tcp_socket.sync = true

    socket = tcp_socket

    if socket.class.to_s =~ /SSLSocket/
    socket.io.shutdown(2)
    else
    socket.shutdown(2)
    end
    socket.close
    print "[OK]\n"

    return true
  rescue Errno::ECONNREFUSED
    p "* connection refused (#{host}:#{port})"
  rescue Errno::ECONNRESET
    puts "* connection reset"
  rescue Errno::EHOSTUNREACH
    p "* host unreachable (#{host}:#{port})"

  rescue Timeout::Error
    p "* TimeOut (#{host}:#{port})\n"

  rescue Errno::ETIMEDOUT
    p "* TimeOut (#{host}:#{port})"

  rescue Errno::ENOTCONN
    puts "!!!ENOTCONN"
  rescue OpenSSL::SSL::SSLError
    p "* ssl error"
    socket = nil
    #  puts "!!! SSL-Error"
    print "E"
  rescue => bang
  #  puts host
  #  puts port
    puts bang
    puts bang.backtrace if $DEBUG
  end
  print "[FALSE]\n"

  return false
end