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SiriCore.py
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SiriCore.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
from HTTPRequest import HTTPRequest
from email.utils import formatdate
from twisted.internet import error
from twisted.protocols.basic import LineReceiver
from twisted.python import failure
import OpenSSL
import biplist
import logging
import struct
import threading
import zlib
import pprint
import re
class Ping(object):
def __init__(self, num):
self.num = num
class ServerObject(object):
def __init__(self, plist):
self.plist = plist
class Siri(LineReceiver):
#Assistant(MacBook Pro/MacBookPro9,2; Mac OS X/10.8.2/12C60) Ace/1.2
userAgentParser = re.compile("Assistant\((?P<deviceType>.*)/(?P<deviceVersion>.+); (?P<clientOSType>.*)/(?P<clientOSVersion>.*)/(?P<clientOSbuildNumber>.*)\) Ace/(?P<protocolVersion>.*)")
def __init__(self, server, peer):
self.server = server
self.peer = peer
self.header = ""
self.headerPerField = dict()
self.rawData = ""
self.output_buffer = ""
self.unzipped_output_buffer = ""
self.unzipped_input = ""
self.consumed_ace = False
self.decompressor = zlib.decompressobj()
self.compressor = zlib.compressobj()
self.logger = logging.getLogger()
self.sendLock = threading.Lock()
self.deviceType = "Unknown"
self.deviceVersion = "Unknown"
self.protocolVersion = "Unknown"
self.clientOSType = "Unknown"
self.clientOSVersion = "Unknown"
self.clientOSbuildNumber = "Unknown"
def connectionMade(self):
self.logger.info("New connection from {0} on port {1}".format(self.peer.host, self.peer.port))
self.server.numberOfConnections += 1
self.logger.info("Currently {0} clients connected".format(self.server.numberOfConnections))
def connectionLost(self, reason):
if reason.type == OpenSSL.SSL.Error:
self.logger.warning("SSL related error")
self.logger.warning(reason.value)
elif reason.type == error.ConnectionLost:
self.logger.warning("Connection Lost: {0}".format(reason.value))
elif reason.type == error.ConnectionDone:
self.logger.info("Connection Closed: {0}".format(reason.value))
else:
self.logger.error("Connection Lost: {0}".format(reason))
self.server.numberOfConnections -= 1
self.logger.info("Currently {0} clients connected".format(self.server.numberOfConnections))
self.server = None
self.peer = None
self.decompressor = None
self.compressor = None
self.sendLock = None
def checkHeader(self):
if "\r\n\r\n" in self.header:
# end of header found, lets check it
self.logger.debug("--------------HEADER START---------------")
self.logger.debug(self.header)
self.logger.debug("---------------HEADER END----------------")
request = HTTPRequest(self.header)
if request.error_code == None:
if request.command == "HEAD" and request.path == "/salt":
return (406, "Unacceptable")
if request.command == "HEAD" and request.path == "/ace":
return (406, "Unacceptable")
if request.command != "ACE":
return (405, "Method Not Allowed")
if request.path != "/ace":
return (404, "Not Found")
else:
return (request.error_code, request.error_message)
return True
else:
return False
def lineReceived(self, line):
self.header += line + "\r\n"
headerCheck = self.checkHeader();
success = False
if type(headerCheck) == bool:
if (headerCheck):
code = 200
message = "OK"
success = True
self.output_buffer = ("HTTP/1.1 {0} {1}\r\nServer: Apache-Coyote/1.1\r\nDate: " + formatdate(timeval=None, localtime=False, usegmt=True) + "\r\nConnection: close\r\n\r\n").format(code, message)
else:
# we need to receive more
return
else:
code, message = headerCheck
self.output_buffer = "HTTP/1.0 {0} {1}\r\nContent-Length: {2}\r\n\r\n{0} {1}".format(code, message, len(str(code))+len(message)+1)
self.flush_output_buffer()
if not success:
self.transport.loseConnection()
else:
self.consumed_ace = False
headerlines = self.header.strip().splitlines()[1:]
self.headerPerField = dict([headerlines[i].split(": ") for i in range(0, len(headerlines))])
if "User-Agent" in self.headerPerField.keys():
match = Siri.userAgentParser.match(self.headerPerField["User-Agent"])
if match != None:
self.deviceType = match.group('deviceType')
self.deviceVersion = match.group('deviceVersion')
self.clientOSType = match.group('clientOSType')
self.clientOSVersion = match.group('clientOSVersion')
self.clientOSbuildNumber = match.group('clientOSbuildNumber')
self.protocolVersion = match.group('protocolVersion')
self.logger.info("New {0} ({1}) on {2} version {3} build {4} connected using protocol version {5}".format(self.deviceType, self.deviceVersion, self.clientOSType, self.clientOSVersion, self.clientOSbuildNumber, self.protocolVersion))
self.setRawMode()
def rawDataReceived(self, data):
self.rawData += data
if not self.consumed_ace:
if len(self.rawData) > 4:
ace = self.rawData[:4]
if ace != "\xaa\xcc\xee\x02":
self.output_buffer = "No stream start instruction found"
self.flush_output_buffer()
self.transport.loseConnection(failure.Failure(error.ConnectionDone('Other side is not conform to protocol.')))
else:
self.output_buffer = "\xaa\xcc\xee\x02"
self.flush_output_buffer()
self.rawData = self.rawData[4:]
self.consumed_ace = True
else:
return
self.process_compressed_data()
def process_compressed_data(self):
self.unzipped_input += self.decompressor.decompress(self.rawData)
self.rawData = ""
while self.hasNextObj():
obj = self.read_next_object_from_unzipped()
if type(obj) == Ping:
self.received_ping(obj.num)
if type(obj) == ServerObject:
plist = biplist.readPlistFromString(obj.plist)
self.received_plist(plist)
def hasNextObj(self):
if len(self.unzipped_input) == 0:
return False
if len(self.unzipped_input) < 5:
return False
cmd, data = struct.unpack('>BI', self.unzipped_input[:5])
if cmd in (3, 4): #ping pong
return True
if cmd == 2:
return (len(self.unzipped_input) >= (data + 5))
def read_next_object_from_unzipped(self):
cmd, data = struct.unpack('>BI', self.unzipped_input[:5])
if cmd == 3: #ping
self.unzipped_input = self.unzipped_input[5:]
return Ping(data)
object_size = data
object_data = self.unzipped_input[5:object_size + 5]
self.unzipped_input = self.unzipped_input[object_size + 5:]
return ServerObject(object_data)
def send_object(self, obj):
self.send_plist(obj.to_plist())
def send_plist(self, plist):
self.sendLock.acquire()
self.logger.debug("Sending packet with class: {0}".format(plist['class']))
self.logger.debug("packet with content:\n{0}".format(pprint.pformat(plist, width=40)))
bplist = biplist.writePlistToString(plist);
self.unzipped_output_buffer = struct.pack('>BI', 2, len(bplist)) + bplist
self.flush_unzipped_output()
self.sendLock.release()
def send_pong(self, idOfPong):
self.sendLock.acquire()
self.unzipped_output_buffer = struct.pack('>BI', 4, idOfPong)
self.flush_unzipped_output()
self.sendLock.release()
def flush_unzipped_output(self):
self.output_buffer += self.compressor.compress(self.unzipped_output_buffer)
#make sure everything is compressed
self.output_buffer += self.compressor.flush(zlib.Z_SYNC_FLUSH)
self.unzipped_output_buffer = ""
self.flush_output_buffer()
def flush_output_buffer(self):
if len(self.output_buffer) > 0:
self.transport.write(self.output_buffer)
self.output_buffer = ""