816 lines
30 KiB
Python
816 lines
30 KiB
Python
# -*- coding: utf-8 -*-
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import sys
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from datetime import datetime
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from socket import AF_INET, SOCK_DGRAM, socket
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from struct import pack, unpack
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from zk import const
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from zk.attendance import Attendance
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from zk.exception import ZKErrorResponse, ZKNetworkError
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from zk.user import User
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from zk.finger import Finger
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def make_commkey(key, session_id, ticks=50):
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"""take a password and session_id and scramble them to send to the time
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clock.
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copied from commpro.c - MakeKey"""
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key = int(key)
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session_id = int(session_id)
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k = 0
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for i in range(32):
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if (key & (1 << i)):
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k = (k << 1 | 1)
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else:
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k = k << 1
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k += session_id
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k = pack(b'I', k)
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k = unpack(b'BBBB', k)
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k = pack(
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b'BBBB',
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k[0] ^ ord('Z'),
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k[1] ^ ord('K'),
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k[2] ^ ord('S'),
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k[3] ^ ord('O'))
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k = unpack(b'HH', k)
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k = pack(b'HH', k[1], k[0])
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B = 0xff & ticks
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k = unpack(b'BBBB', k)
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k = pack(
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b'BBBB',
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k[0] ^ B,
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k[1] ^ B,
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B,
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k[3] ^ B)
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return k
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class ZK(object):
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is_connect = False
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__data_recv = None
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__sesion_id = 0
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__reply_id = 0
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def __init__(self, ip, port=4370, timeout=60, password=0, firmware=8):
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self.is_connect = False
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self.__address = (ip, port)
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self.__sock = socket(AF_INET, SOCK_DGRAM)
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self.__sock.settimeout(timeout)
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self.__password = password # passint
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self.__firmware = int(firmware) #TODO check minor version?
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self.users = 0
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self.fingers = 0
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self.records = 0
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self.dummy = 0
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self.cards = 0
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self.fingers_cap = 0
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self.users_cap = 0
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self.rec_cap = 0
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self.fingers_av = 0
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self.users_av = 0
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self.rec_av = 0
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def __create_header(self, command, command_string, checksum, session_id, reply_id):
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'''
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Puts a the parts that make up a packet together and packs them into a byte string
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'''
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buf = pack('HHHH', command, checksum, session_id, reply_id) + command_string
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buf = unpack('8B' + '%sB' % len(command_string), buf)
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checksum = unpack('H', self.__create_checksum(buf))[0]
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reply_id += 1
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if reply_id >= const.USHRT_MAX:
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reply_id -= const.USHRT_MAX
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buf = pack('HHHH', command, checksum, session_id, reply_id)
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return buf + command_string
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def __create_checksum(self, p):
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'''
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Calculates the checksum of the packet to be sent to the time clock
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Copied from zkemsdk.c
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'''
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l = len(p)
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checksum = 0
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while l > 1:
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checksum += unpack('H', pack('BB', p[0], p[1]))[0]
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p = p[2:]
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if checksum > const.USHRT_MAX:
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checksum -= const.USHRT_MAX
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l -= 2
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if l:
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checksum = checksum + p[-1]
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while checksum > const.USHRT_MAX:
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checksum -= const.USHRT_MAX
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checksum = ~checksum
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while checksum < 0:
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checksum += const.USHRT_MAX
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return pack('H', checksum)
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def __send_command(self, command, command_string, checksum, session_id, reply_id, response_size):
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'''
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send command to the terminal
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'''
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buf = self.__create_header(command, command_string, checksum, session_id, reply_id)
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try:
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self.__sock.sendto(buf, self.__address)
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self.__data_recv = self.__sock.recv(response_size)
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except Exception, e:
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raise ZKNetworkError(str(e))
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self.__response = unpack('HHHH', self.__data_recv[:8])[0]
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self.__reply_id = unpack('HHHH', self.__data_recv[:8])[3]
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if self.__response in [const.CMD_ACK_OK, const.CMD_PREPARE_DATA]:
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return {
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'status': True,
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'code': self.__response
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}
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else:
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return {
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'status': False,
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'code': self.__response
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}
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def __get_data_size(self):
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"""Checks a returned packet to see if it returned CMD_PREPARE_DATA,
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indicating that data packets are to be sent
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Returns the amount of bytes that are going to be sent"""
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response = self.__response
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if response == const.CMD_PREPARE_DATA:
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size = unpack('I', self.__data_recv[8:12])[0]
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return size
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else:
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return 0
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def __reverse_hex(self, hex):
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data = ''
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for i in reversed(xrange(len(hex) / 2)):
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data += hex[i * 2:(i * 2) + 2]
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return data
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def __decode_time(self, t):
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"""Decode a timestamp retrieved from the timeclock
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copied from zkemsdk.c - DecodeTime"""
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t = t.encode('hex')
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t = int(self.__reverse_hex(t), 16)
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#print "decode from %s "% format(t, '04x')
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second = t % 60
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t = t / 60
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minute = t % 60
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t = t / 60
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hour = t % 24
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t = t / 24
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day = t % 31 + 1
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t = t / 31
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month = t % 12 + 1
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t = t / 12
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year = t + 2000
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d = datetime(year, month, day, hour, minute, second)
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return d
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def __encode_time(self, t):
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"""Encode a timestamp so that it can be read on the timeclock
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"""
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# formula taken from zkemsdk.c - EncodeTime
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# can also be found in the technical manual
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d = (
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((t.year % 100) * 12 * 31 + ((t.month - 1) * 31) + t.day - 1) *
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(24 * 60 * 60) + (t.hour * 60 + t.minute) * 60 + t.second
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)
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return d
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def connect(self):
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'''
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connect to the device
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'''
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command = const.CMD_CONNECT
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command_string = ''
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checksum = 0
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session_id = 0
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reply_id = const.USHRT_MAX - 1
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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self.__sesion_id = unpack('HHHH', self.__data_recv[:8])[2]
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if cmd_response.get('code')==const.CMD_ACK_UNAUTH:
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#print "try auth"
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command_string = make_commkey(self.__password,self.__sesion_id)
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cmd_response = self.__send_command(const.CMD_AUTH, command_string , checksum, self.__sesion_id, self.__reply_id, response_size)
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if cmd_response.get('status'):
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self.is_connect = True
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# set the session iduid, privilege, password, name, card, group_id, timezone, user_id = unpack('HB5s8s5sBhI',userdata.ljust(28)[:28])
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return self
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else:
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print "connect err {} ".format(cmd_response["code"])
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raise ZKErrorResponse("Invalid response")
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def disconnect(self):
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'''
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diconnect from the connected device
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'''
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command = const.CMD_EXIT
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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self.is_connect = False
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def disable_device(self):
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'''
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disable (lock) device, ensure no activity when process run
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'''
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command = const.CMD_DISABLEDEVICE
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def enable_device(self):
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'''
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re-enable the connected device
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'''
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command = const.CMD_ENABLEDEVICE
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def get_firmware_version(self):
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'''
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return the firmware version
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'''
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command = const.CMD_GET_VERSION
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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firmware_version = self.__data_recv[8:].split('\x00')[0]
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return firmware_version
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else:
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raise ZKErrorResponse("Invalid response")
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def get_serialnumber(self):
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'''
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return the serial number
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'''
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command = const.CMD_OPTIONS_RRQ
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command_string = '~SerialNumber'
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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serialnumber = self.__data_recv[8:].split('=')[-1].split('\x00')[0]
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return serialnumber
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else:
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raise ZKErrorResponse("Invalid response")
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def get_platform(self):
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'''
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return the serial number
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'''
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command = const.CMD_OPTIONS_RRQ
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command_string = '~Platform'
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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platform = self.__data_recv[8:].split('=')[-1].split('\x00')[0]
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return platform
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else:
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raise ZKErrorResponse("Invalid response")
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def get_device_name(self):
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'''
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return the serial number
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'''
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command = const.CMD_OPTIONS_RRQ
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command_string = '~DeviceName'
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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device = self.__data_recv[8:].split('=')[-1].split('\x00')[0]
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return device
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else:
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raise ZKErrorResponse("Invalid response")
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def get_pin_width(self):
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'''
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return the serial number
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'''
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command = const.CMD_GET_PINWIDTH
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command_string = ' P'
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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width = self.__data_recv[8:].split('\x00')[0]
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return bytearray(width)[0]
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else:
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raise ZKErrorResponse("Invalid response")
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def free_data(self):
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""" clear buffer"""
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command = const.CMD_FREE_DATA
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def read_sizes(self):
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""" read sizes """
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command = const.CMD_GET_FREE_SIZES
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1024
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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fields = unpack('iiiiiiiiiiiiiiiiiiii', self.__data_recv[8:])
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self.users = fields[4]
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self.fingers = fields[6]
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self.records = fields[8]
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self.dummy = fields[10] #???
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self.cards = fields[12]
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self.fingers_cap = fields[14]
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self.users_cap = fields[15]
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self.rec_cap = fields[16]
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self.fingers_av = fields[17]
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self.users_av = fields[18]
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self.rec_av = fields[19]
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#TODO: get faces size...
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def __str__(self):
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""" for debug"""
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return "ZK%i adr:%s:%s users:%i/%i fingers:%i/%i, records:%i/%i" % (
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self.__firmware, self.__address[0], self.__address[1],
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self.users, self.users_cap, self.fingers, self.fingers_cap,
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self.records, self.rec_cap
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)
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def restart(self):
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'''
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restart the device
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'''
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command = const.CMD_RESTART
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def get_time(self):
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"""obtener la hora del equipo"""
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command = const.CMD_GET_TIME
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1032
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return self.__decode_time(self.__data_recv[8:12])
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else:
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raise ZKErrorResponse("Invalid response")
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def set_time(self, timestamp):
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""" colocar la hora del sistema al zk """
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command = const.CMD_SET_TIME
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command_string = pack(b'I', self.__encode_time(timestamp))
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def poweroff(self):
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'''
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shutdown the device
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'''
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command = const.CMD_POWEROFF
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 1032
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def test_voice(self):
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'''
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play test voice
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'''
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command = const.CMD_TESTVOICEuid, privilege, password, name, card, group_id, timezone, user_id = unpack('HB5s8s5sBhI',userdata.ljust(28)[:28])
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command_string = ''
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checksum = 0
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session_id = self.__sesion_id
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reply_id = self.__reply_id
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response_size = 8
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cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
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if cmd_response.get('status'):
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return True
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else:
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raise ZKErrorResponse("Invalid response")
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def set_user(self, uid, name, privilege, password='', group_id='', user_id=''):
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'''
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create or update user by uid
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'''
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command = const.CMD_USER_WRQ
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#uid = chr(uid % 256) + chr(uid >> 8)
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if privilege not in [const.USER_DEFAULT, const.USER_ADMIN]:
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privilege = const.USER_DEFAULT
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privilege = chr(privilege)
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if self.__firmware == 6:
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print "uid : %i" % uid
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print "pri : %c" % privilege
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print "pass: %s" % str(password)
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print "name: %s" % str(name)
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print type(name)
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print "group %i" % int(group_id)
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print "uid2: %i" % int(user_id)
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try:
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command_string = pack('Hc5s8s5sBHI', uid, privilege, str(password), str(name), chr(0), int(group_id), 0, int(user_id))
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print "cmd : %s" % command_string
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except Exception, e:
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print "s_h Error pack: %s" % e
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print "Error pack: %s" % sys.exc_info()[0]
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raise ZKErrorResponse("Invalid response")
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else:
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command_string = pack('Hc8s28sc7sx24s', uid, privilege, password, name, chr(0), group_id, user_id)
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
if cmd_response.get('status'):
|
|
return True
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
|
|
def delete_user(self, uid):
|
|
'''
|
|
delete specific user by uid
|
|
'''
|
|
command = const.CMD_DELETE_USER
|
|
|
|
uid = chr(uid % 256) + chr(uid >> 8)
|
|
|
|
command_string = pack('2s', uid)
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
if cmd_response.get('status'):
|
|
return True
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
#def get_user_template(self, uid, finger):
|
|
def get_templates(self):
|
|
""" return array of fingers"""
|
|
command = const.CMD_DB_RRQ
|
|
command_string = chr(const.FCT_FINGERTMP)
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
templates =[]
|
|
pac = 0
|
|
if cmd_response.get('status'):
|
|
if cmd_response.get('code') == const.CMD_PREPARE_DATA:
|
|
bytes = self.__get_data_size()
|
|
templatedata = []
|
|
while True:
|
|
data_recv = self.__sock.recv(1032)
|
|
response = unpack('HHHH', data_recv[:8])[0]
|
|
if response == const.CMD_DATA:
|
|
pac += 1
|
|
templatedata.append(data_recv[8:]) #header turncated
|
|
bytes -= 1024
|
|
elif response == const.CMD_ACK_OK:
|
|
break #without problem.
|
|
else:
|
|
#truncado! continuar?
|
|
#print "broken! with %s" % response
|
|
#print "user still needs %s" % bytes
|
|
break
|
|
|
|
if response == const.CMD_ACK_OK:
|
|
if templatedata:
|
|
# first 4 bytes, total size of template data
|
|
templatedata = ''.join(templatedata)
|
|
total_size = unpack('i', templatedata[0:4])[0]
|
|
print "total size: ", total_size
|
|
templatedata = templatedata[4:]
|
|
if self.__firmware == 6: #tested!
|
|
while total_size:
|
|
size, uid, fid, valid = unpack('HHbb',templatedata[:6])
|
|
template = unpack("%is" % (size-6), templatedata[6:size])
|
|
finger = Finger(size,uid,fid,valid,template)
|
|
print finger # test
|
|
templates.append(finger)
|
|
templatedata = templatedata[(size):]
|
|
total_size -= size
|
|
else: # TODO: test!!!
|
|
while total_size:
|
|
size, uid, fid, valid = unpack('HHbb',templatedata[:6])
|
|
template = unpack("%is" % (size-6), templatedata[6:size])
|
|
finger = Finger(size,uid,fid,valid,template)
|
|
print finger # test
|
|
templates.append(finger)
|
|
templatedata = templatedata[(size):]
|
|
total_size -= size
|
|
self.free_data()
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
return templates
|
|
|
|
|
|
def get_users(self):
|
|
'''
|
|
return all user
|
|
'''
|
|
command = const.CMD_USERTEMP_RRQ
|
|
command_string = chr(const.FCT_USER)
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
users = []
|
|
pac = 0
|
|
if cmd_response.get('status'):
|
|
if cmd_response.get('code') == const.CMD_PREPARE_DATA:
|
|
bytes = self.__get_data_size()
|
|
userdata = []
|
|
while True:
|
|
data_recv = self.__sock.recv(1032)
|
|
response = unpack('HHHH', data_recv[:8])[0]
|
|
if response == const.CMD_DATA:
|
|
pac += 1
|
|
userdata.append(data_recv[8:]) #header turncated
|
|
bytes -= 1024
|
|
elif response == const.CMD_ACK_OK:
|
|
break #without problem.
|
|
else:
|
|
#truncado! continuar?
|
|
#print "broken! with %s" % response
|
|
#print "user still needs %s" % bytes
|
|
break
|
|
|
|
if response == const.CMD_ACK_OK:
|
|
if userdata:
|
|
# The first 4 bytes don't seem to be related to the user
|
|
userdata = ''.join(userdata)
|
|
userdata = userdata[4:]
|
|
if self.__firmware == 6:
|
|
while len(userdata) >= 28:
|
|
uid, privilege, password, name, card, group_id, timezone, user_id = unpack('HB5s8s5sBhI',userdata.ljust(28)[:28])
|
|
password = unicode(password.split('\x00')[0], errors='ignore')
|
|
name = unicode(name.split('\x00')[0], errors='ignore').strip()
|
|
card = unpack('Q', card.ljust(8,'\x00'))[0] #or hex value?
|
|
group_id = str(group_id)
|
|
user_id = str(user_id)
|
|
#TODO: check card value and find in ver8
|
|
if not name:
|
|
name = "NN-%s" % user_id
|
|
user = User(uid, name, privilege, password, group_id, user_id)
|
|
users.append(user)
|
|
print "[6]user:",uid, privilege, password, name, card, group_id, timezone, user_id
|
|
userdata = userdata[28:]
|
|
else:
|
|
while len(userdata) >= 72:
|
|
uid, privilege, password, name, sparator, group_id, user_id = unpack('Hc8s28sc7sx24s', userdata.ljust(72)[:72])
|
|
#u1 = int(uid[0].encode("hex"), 16)
|
|
#u2 = int(uid[1].encode("hex"), 16)
|
|
#uid = u1 + (u2 * 256)
|
|
privilege = int(privilege.encode("hex"), 16)
|
|
password = unicode(password.split('\x00')[0], errors='ignore')
|
|
name = unicode(name.split('\x00')[0], errors='ignore').strip()
|
|
group_id = unicode(group_id.split('\x00')[0], errors='ignore').strip()
|
|
user_id = unicode(user_id.split('\x00')[0], errors='ignore')
|
|
if not name:
|
|
name = "NN-%s" % user_id
|
|
user = User(uid, name, privilege, password, group_id, user_id)
|
|
users.append(user)
|
|
|
|
userdata = userdata[72:]
|
|
self.free_data()
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
return users
|
|
|
|
def cancel_capture(self):
|
|
'''
|
|
cancel capturing finger
|
|
'''
|
|
command = const.CMD_CANCELCAPTURE
|
|
cmd_response = self.__send_command(command=command)
|
|
print cmd_response
|
|
|
|
def verify_user(self):
|
|
'''
|
|
verify finger
|
|
'''
|
|
command = const.CMD_STARTVERIFY
|
|
# uid = chr(uid % 256) + chr(uid >> 8)
|
|
cmd_response = self.__send_command(command=command)
|
|
print cmd_response
|
|
|
|
def enroll_user(self, uid):
|
|
'''
|
|
start enroll user
|
|
'''
|
|
command = const.CMD_STARTENROLL
|
|
print "enrol uid b", uid
|
|
uid = chr(uid % 256) + chr(uid >> 8)
|
|
print "enrol uid a", uid
|
|
command_string = pack('2s', uid)
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 8
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
print cmd_response
|
|
|
|
def clear_data(self):
|
|
'''
|
|
clear all data (include: user, attendance report, finger database )
|
|
'''
|
|
command = const.CMD_CLEAR_DATA
|
|
command_string = ''
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
if cmd_response.get('status'):
|
|
return True
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
|
|
def get_attendance(self):
|
|
'''
|
|
return all attendance record
|
|
'''
|
|
command = const.CMD_ATTLOG_RRQ
|
|
command_string = ''
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
attendances = []
|
|
if cmd_response.get('status'):
|
|
if cmd_response.get('code') == const.CMD_PREPARE_DATA:
|
|
bytes = self.__get_data_size()
|
|
attendance_data = []
|
|
pac = 1
|
|
while True: #limitado por respuesta no por tamaño
|
|
data_recv = self.__sock.recv(1032)
|
|
response = unpack('HHHH', data_recv[:8])[0]
|
|
#print "# %s packet response is: %s" % (pac, response)
|
|
if response == const.CMD_DATA:
|
|
pac += 1
|
|
attendance_data.append(data_recv[8:]) #header turncated
|
|
bytes -= 1024
|
|
elif response == const.CMD_ACK_OK:
|
|
break #without problem.
|
|
else:
|
|
#truncado! continuar?
|
|
#print "broken!"
|
|
break
|
|
#print "still needs %s" % bytes
|
|
if response == const.CMD_ACK_OK:
|
|
if attendance_data:
|
|
attendance_data = ''.join(attendance_data)
|
|
attendance_data = attendance_data[4:]
|
|
if self.__firmware == 6:
|
|
while len(attendance_data) >= 8:
|
|
uid, status, timestamp = unpack('HH4s', attendance_data.ljust(8)[:8])
|
|
user_id = str(uid) #TODO revisar posibles valores cruzar con userdata
|
|
timestamp = self.__decode_time(timestamp)
|
|
attendance = Attendance(uid, user_id, timestamp, status)
|
|
attendances.append(attendance)
|
|
attendance_data = attendance_data[8:]
|
|
else:
|
|
while len(attendance_data) >= 40:
|
|
uid, user_id, sparator, timestamp, status, space = unpack('H24sc4sc8s', attendance_data.ljust(40)[:40])
|
|
user_id = user_id.split('\x00')[0]
|
|
timestamp = self.__decode_time(timestamp)
|
|
status = int(status.encode("hex"), 16)
|
|
|
|
attendance = Attendance(uid, user_id, timestamp, status)
|
|
attendances.append(attendance)
|
|
|
|
attendance_data = attendance_data[40:]
|
|
self.free_data()
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|
|
return attendances
|
|
|
|
def clear_attendance(self):
|
|
'''
|
|
clear all attendance record
|
|
'''
|
|
command = const.CMD_CLEAR_ATTLOG
|
|
command_string = ''
|
|
checksum = 0
|
|
session_id = self.__sesion_id
|
|
reply_id = self.__reply_id
|
|
response_size = 1024
|
|
cmd_response = self.__send_command(command, command_string, checksum, session_id, reply_id, response_size)
|
|
if cmd_response.get('status'):
|
|
return True
|
|
else:
|
|
raise ZKErrorResponse("Invalid response")
|