pyztk/zk/base.py
2018-05-03 15:58:52 -04:00

1400 lines
54 KiB
Python

# -*- coding: utf-8 -*-
import sys
#from builtins import str
from datetime import datetime
from socket import AF_INET, SOCK_DGRAM, SOCK_STREAM, socket, timeout
from struct import pack, unpack
from zk import const
from zk.attendance import Attendance
from zk.exception import ZKErrorResponse, ZKNetworkError
from zk.user import User
from zk.finger import Finger
def make_commkey(key, session_id, ticks=50):
"""take a password and session_id and scramble them to send to the time
clock.
copied from commpro.c - MakeKey"""
key = int(key)
session_id = int(session_id)
k = 0
for i in range(32):
if (key & (1 << i)):
k = (k << 1 | 1)
else:
k = k << 1
k += session_id
k = pack(b'I', k)
k = unpack(b'BBBB', k)
k = pack(
b'BBBB',
k[0] ^ ord('Z'),
k[1] ^ ord('K'),
k[2] ^ ord('S'),
k[3] ^ ord('O'))
k = unpack(b'HH', k)
k = pack(b'HH', k[1], k[0])
B = 0xff & ticks
k = unpack(b'BBBB', k)
k = pack(
b'BBBB',
k[0] ^ B,
k[1] ^ B,
B,
k[3] ^ B)
return k
class ZK_helper(object):
""" helper class """
def __init__(self, ip, port=4370):
self.address = (ip, port)
self.ip = ip
self.port = port
#self.timeout = timeout
#self.password = password # passint
#self.firmware = int(firmware) #TODO check minor version?
#self.tcp = tcp
def test_ping(self):
"""
Returns True if host responds to a ping request
"""
import subprocess, platform
# Ping parameters as function of OS
ping_str = "-n 1" if platform.system().lower()=="windows" else "-c 1"
args = "ping " + " " + ping_str + " " + self.ip
need_sh = False if platform.system().lower()=="windows" else True
# Ping
return subprocess.call(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=need_sh) == 0
def test_tcp(self):
self.client = socket(AF_INET, SOCK_STREAM)
self.client.settimeout(10) # fixed test
res = self.client.connect_ex(self.address)
self.client.close()
return res
def test_udp(self): # WIP:
self.client = socket(AF_INET, SOCK_DGRAM)
self.client.settimeout(10) # fixed test
class ZK(object):
""" Clase ZK """
def __init__(self, ip, port=4370, timeout=60, password=0, force_udp=False, ommit_ping=False, verbose=False):
""" initialize instance """
self.is_connect = False
self.is_enabled = True #let's asume
self.helper = ZK_helper(ip, port)
self.__address = (ip, port)
self.__sock = socket(AF_INET, SOCK_DGRAM)
self.__sock.settimeout(timeout)
self.__timeout = timeout
self.__password = password # passint
#self.firmware = int(firmware) #dummy
self.force_udp = force_udp
self.ommit_ping = ommit_ping
self.verbose = verbose
self.tcp = False
self.users = 0
self.fingers = 0
self.records = 0
self.dummy = 0
self.cards = 0
self.fingers_cap = 0
self.users_cap = 0
self.rec_cap = 0
self.faces = 0
self.faces_cap = 0
self.fingers_av = 0
self.users_av = 0
self.rec_av = 0
self.user_packet_size = 28 # default zk6
self.__session_id = 0
self.__reply_id = const.USHRT_MAX-1
self.__data_recv = None
self.__data = None
def __create_socket(self):
""" based on self.tcp"""
if self.tcp:
self.__sock = socket(AF_INET, SOCK_STREAM)
self.__sock.connect_ex(self.__address)
else:
self.__sock = socket(AF_INET, SOCK_DGRAM)
def __create_tcp_top(self, packet):
""" witch the complete packet set top header """
length = len(packet)
top = pack('<HHI', const.MACHINE_PREPARE_DATA_1, const.MACHINE_PREPARE_DATA_2, length)
return top + packet
def __create_header(self, command, command_string, session_id, reply_id):
'''
Puts a the parts that make up a packet together and packs them into a byte string
MODIFIED now, without initial checksum
'''
#checksum = 0 always? for calculating
buf = pack('HHHH', command, 0, session_id, reply_id) + command_string
buf = unpack('8B' + '%sB' % len(command_string), buf)
checksum = unpack('H', self.__create_checksum(buf))[0]
reply_id += 1
if reply_id >= const.USHRT_MAX:
reply_id -= const.USHRT_MAX
buf = pack('HHHH', command, checksum, session_id, reply_id)
return buf + command_string
def __create_checksum(self, p):
'''
Calculates the checksum of the packet to be sent to the time clock
Copied from zkemsdk.c
'''
l = len(p)
checksum = 0
while l > 1:
checksum += unpack('H', pack('BB', p[0], p[1]))[0]
p = p[2:]
if checksum > const.USHRT_MAX:
checksum -= const.USHRT_MAX
l -= 2
if l:
checksum = checksum + p[-1]
while checksum > const.USHRT_MAX:
checksum -= const.USHRT_MAX
checksum = ~checksum
while checksum < 0:
checksum += const.USHRT_MAX
return pack('H', checksum)
def __send_command(self, command, command_string=b'', response_size=8):
'''
send command to the terminal
'''
buf = self.__create_header(command, command_string, self.__session_id, self.__reply_id)
try:
if self.tcp:
top = self.__create_tcp_top(buf)
self.__sock.send(top)
self.__tcp_data_recv = self.__sock.recv(response_size + 8)
self.__tcp_header = unpack('<HHI', self.__tcp_data_recv[:8])
self.__tcp_length = self.__tcp_header[2]
self.__header = unpack('HHHH', self.__tcp_data_recv[8:16])
self.__data_recv = self.__tcp_data_recv[8:] # dirty hack
else:
self.__sock.sendto(buf, self.__address)
self.__data_recv = self.__sock.recv(response_size)
self.__header = unpack('HHHH', self.__data_recv[:8])
except Exception as e:
raise ZKNetworkError(str(e))
self.__response = self.__header[0]
self.__reply_id = self.__header[3]
self.__data = self.__data_recv[8:] #could be empty
if self.__response in [const.CMD_ACK_OK, const.CMD_PREPARE_DATA, const.CMD_DATA]:
return {
'status': True,
'code': self.__response
}
return {
'status': False,
'code': self.__response
}
def __ack_ok(self):
""" event ack ok """
buf = self.__create_header(const.CMD_ACK_OK, b'', self.__session_id, const.USHRT_MAX - 1)
try:
if self.tcp:
top = self.__create_tcp_top(buf)
self.__sock.send(top)
else:
self.__sock.sendto(buf, self.__address)
except Exception as e:
raise ZKNetworkError(str(e))
def __get_data_size(self):
"""Checks a returned packet to see if it returned CMD_PREPARE_DATA,
indicating that data packets are to be sent
Returns the amount of bytes that are going to be sent"""
response = self.__response
if response == const.CMD_PREPARE_DATA:
size = unpack('I', self.__data[:4])[0]
return size
else:
return 0
def __reverse_hex(self, hex):
data = ''
for i in reversed(xrange(len(hex) / 2)):
data += hex[i * 2:(i * 2) + 2]
return data
def __decode_time(self, t):
"""Decode a timestamp retrieved from the timeclock
copied from zkemsdk.c - DecodeTime"""
"""
t = t.encode('hex')
t = int(self.__reverse_hex(t), 16)
if self.verbose: print ("decode from %s "% format(t, '04x'))
"""
t = unpack("<I", t)[0]
second = t % 60
t = t // 60
minute = t % 60
t = t // 60
hour = t % 24
t = t // 24
day = t % 31 + 1
t = t // 31
month = t % 12 + 1
t = t // 12
year = t + 2000
d = datetime(year, month, day, hour, minute, second)
return d
def __decode_timehex(self, timehex):
"""timehex string of six bytes"""
year, month, day, hour, minute, second = unpack("BBBBBB", timehex)
year += 2000
d = datetime(year, month, day, hour, minute, second)
return d
def __encode_time(self, t):
"""Encode a timestamp so that it can be read on the timeclock
"""
# formula taken from zkemsdk.c - EncodeTime
# can also be found in the technical manual
d = (
((t.year % 100) * 12 * 31 + ((t.month - 1) * 31) + t.day - 1) *
(24 * 60 * 60) + (t.hour * 60 + t.minute) * 60 + t.second
)
return d
def connect(self):
'''
connect to the device
'''
if not self.ommit_ping and not self.helper.test_ping():
raise ZKNetworkError("can't reach device (ping %s)" % self.__address[0])
if not self.force_udp and self.helper.test_tcp() == 0: #ok
self.tcp = True
self.user_packet_size = 72 # default zk8
self.__create_socket()# tcp based
self.__session_id = 0
self.__reply_id = const.USHRT_MAX - 1
cmd_response = self.__send_command(const.CMD_CONNECT)
self.__session_id = self.__header[2]
if cmd_response.get('code') == const.CMD_ACK_UNAUTH:
if self.verbose: print ("try auth")
command_string = make_commkey(self.__password, self.__session_id)
cmd_response = self.__send_command(const.CMD_AUTH, command_string)
if cmd_response.get('status'):
self.is_connect = True
# set the session id
return self
else:
if cmd_response["code"] == const.CMD_ACK_UNAUTH:
raise ZKErrorResponse("Unauthenticated")
if self.verbose: print ("connect err response {} ".format(cmd_response["code"]))
raise ZKErrorResponse("Invalid response: Can't connect")
def disconnect(self):
'''
diconnect from the connected device
'''
cmd_response = self.__send_command(const.CMD_EXIT)
if cmd_response.get('status'):
self.is_connect = False
if self.__sock:
self.__sock.close() #leave to GC
return True
else:
raise ZKErrorResponse("can't disconnect")
def disable_device(self):
'''
disable (lock) device, ensure no activity when process run
'''
cmd_response = self.__send_command(const.CMD_DISABLEDEVICE)
if cmd_response.get('status'):
self.is_enabled = False
return True
else:
raise ZKErrorResponse("Can't Disable")
def enable_device(self):
'''
re-enable the connected device
'''
cmd_response = self.__send_command(const.CMD_ENABLEDEVICE)
if cmd_response.get('status'):
self.is_enabled = True
return True
else:
raise ZKErrorResponse("Can't enable device")
def get_firmware_version(self):
'''
return the firmware version
'''
cmd_response = self.__send_command(const.CMD_GET_VERSION,b'', 1024)
if cmd_response.get('status'):
firmware_version = self.__data.split(b'\x00')[0]
return firmware_version.decode()
else:
raise ZKErrorResponse("Can't read frimware version")
def get_serialnumber(self):
'''
return the serial number
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~SerialNumber'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
serialnumber = self.__data.split(b'=')[-1].split(b'\x00')[0]
return serialnumber.decode() # string?
else:
raise ZKErrorResponse("can't read serial number")
def get_platform(self):
'''
return the serial number
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~Platform'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
platform = self.__data.split(b'=')[-1].split(b'\x00')[0]
return platform.decode()
else:
raise ZKErrorResponse("can't get platform")
def get_mac(self):
'''
return the serial number
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'MAC'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
mac = self.__data.split(b'=')[-1].split(b'\x00')[0]
return mac.decode()
else:
raise ZKErrorResponse("can't get mac")
def get_device_name(self):
'''
return the serial number
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~DeviceName'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
device = self.__data.split(b'=')[-1].split(b'\x00')[0]
return device.decode()
else:
raise ZKErrorResponse("can't read device name")
def get_face_version(self):
'''
return the face version
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'ZKFaceVersion'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = self.__data.split(b'=')[-1].split(b'\x00')[0]
return int(response) if response else 0
else:
return None
def get_fp_version(self):
'''
return the fingerprint version
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~ZKFPVersion'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = self.__data.split(b'=')[-1].split(b'\x00')[0]
return int(response) if response else 0
else:
return None
def get_extend_fmt(self):
'''
determine extend fmt
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~ExtendFmt'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
fmt = (self.__data.split(b'=')[-1].split(b'\x00')[0])
#definitivo? seleccionar firmware aqui?
return int(fmt) if fmt else 0
else:
raise ZKErrorResponse("can't read extend fmt")
def get_user_extend_fmt(self):
'''
determine user extend fmt
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'~UserExtFmt'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
fmt = (self.__data.split(b'=')[-1].split(b'\x00')[0])
#definitivo? seleccionar firmware aqui?
return int(fmt) if fmt else 0
else:
return None
def get_face_fun_on(self):
'''
determine extend fmt
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'FaceFunOn'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = (self.__data.split(b'=')[-1].split(b'\x00')[0])
#definitivo? seleccionar firmware aqui?
return int(response) if response else 0
else:
return None
def get_compat_old_firmware(self):
'''
determine old firmware
'''
command = const.CMD_OPTIONS_RRQ
command_string = b'CompatOldFirmware'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = (self.__data.split(b'=')[-1].split(b'\x00')[0])
#definitivo? seleccionar firmware aqui?
return int(response) if response else 0
else:
return None
def get_network_params(self):
ip = self.__address[0]
mask = b''
gate = b''
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'IPAddress', 1024)
if cmd_response.get('status'):
ip = (self.__data.split(b'=')[-1].split(b'\x00')[0])
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'NetMask', 1024)
if cmd_response.get('status'):
mask = (self.__data.split(b'=')[-1].split(b'\x00')[0])
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'GATEIPAddress', 1024)
if cmd_response.get('status'):
gate = (self.__data.split(b'=')[-1].split(b'\x00')[0])
return {'ip': ip.decode(), 'mask': mask.decode(), 'gateway': gate.decode()}
def get_pin_width(self):
'''
return the serial number
'''
command = const.CMD_GET_PINWIDTH
command_string = b' P'
response_size = 9
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
width = self.__data.split(b'\x00')[0]
return bytearray(width)[0]
else:
raise ZKErrorResponse("can0t get pin width")
def free_data(self):
""" clear buffer"""
command = const.CMD_FREE_DATA
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't free data")
def read_sizes(self):
""" read sizes """
command = const.CMD_GET_FREE_SIZES
response_size = 1024
cmd_response = self.__send_command(command,b'', response_size)
if cmd_response.get('status'):
size = len(self.__data)
if size == 80:
fields = unpack('iiiiiiiiiiiiiiiiiiii', self.__data)
else: #92?
fields = unpack('iiiiiiiiiiiiiiiiiiiiiii', self.__data)
self.users = fields[4]
self.fingers = fields[6]
self.records = fields[8]
self.dummy = fields[10] #???
self.cards = fields[12]
self.fingers_cap = fields[14]
self.users_cap = fields[15]
self.rec_cap = fields[16]
self.fingers_av = fields[17]
self.users_av = fields[18]
self.rec_av = fields[19]
if len(fields) > 20:
self.faces = fields[20]
self.faces_cap = fields[22]
return True
else:
raise ZKErrorResponse("can't read sizes")
def __str__(self):
""" for debug"""
return "ZK %s://%s:%s users[%i]:%i/%i fingers:%i/%i, records:%i/%i faces:%i/%i" % (
"tcp" if self.tcp else "udp", self.__address[0], self.__address[1],
self.user_packet_size, self.users, self.users_cap,
self.fingers, self.fingers_cap,
self.records, self.rec_cap,
self.faces, self.faces_cap
)
def restart(self):
'''
restart the device
'''
command = const.CMD_RESTART
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't restart device")
def get_time(self):
"""get Device Time"""
command = const.CMD_GET_TIME
response_size = 1032
cmd_response = self.__send_command(command, b'', response_size)
if cmd_response.get('status'):
return self.__decode_time(self.__data[:4])
else:
raise ZKErrorResponse("can't get time")
def set_time(self, timestamp):
""" set Device time (pass datetime object)"""
command = const.CMD_SET_TIME
command_string = pack(b'I', self.__encode_time(timestamp))
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't set time")
def poweroff(self):
'''
shutdown the device
'''
command = const.CMD_POWEROFF
command_string = b''
response_size = 1032
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't poweroff")
def refresh_data(self):
'''
shutdown the device
'''
command = const.CMD_REFRESHDATA
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't refresh data")
def test_voice(self, index=0):
'''
play test voice
0 acceso correcto / acceso correcto
1 password incorrecto / clave incorrecta
2 la memoria del terminal estĆ” llena / acceso denegado
3 usuario invalido /codigo no valido
4 intente de nuevo por favor / intente de nuevo por favor *
5 reintroduszca codigo de usuario /reintroduszca codigo
6 memoria del terminal llena /-
7 memoria de alm fich llena /-
8 huella duplicada / huella duplicada
9 acceso denegado / ya ha sido registrado
10 *beep* / beep kuko
11 el sistema vuelve al modo de verificacion / beep siren
12 por favor coloque su dedo o acerque tarjeta /-
13 acerca su tarjeta de nuevo /beep bell
14 excedido tiempo p esta operacion /-
15 coloque su dedo de nuevo /-
16 coloque su dedo por ultima vez /-
17 ATN numero de tarjeta estĆ” repetida /-
18 proceso de registro correcto * /-
19 borrado correcto /-
20 Numero de usuario / ponga la caja de ojos
21 ATN se ha llegado al max num usuarios /-
22 verificacion de usuarios /-
23 usuario no registrado /-
24 ATN se ha llegado al num max de registros /-
25 ATN la puerta no esta cerrada /-
26 registro de usuarios /-
27 borrado de usuarios /-
28 coloque su dedo /-
29 registre la tarjeta de administrador /-
30 0 /-
31 1 /-
32 2 /-
33 3 /-
34 4 /-
35 5 /-
36 6 /-
37 7 /-
38 8 /-
39 9 /-
40 PFV seleccione numero de usuario /-
41 registrar /-
42 operacion correcta /-
43 PFV acerque su tarjeta /-
43 la tarjeta ha sido registrada /-
45 error en operacion /-
46 PFV acerque tarjeta de administracion, p confirmacion /-
47 descarga de fichajes /-
48 descarga de usuarios /-
49 carga de usuarios /-
50 actualizan de firmware /-
51 ejeuctar ficheros de configuracion /-
52 confirmaciĆ³n de clave de acceso correcta /-
53 error en operacion de tclado /-
54 borrar todos los usuarios /-
55 restaurar terminal con configuracion por defecto /-
56 introduzca numero de usuario /-
57 teclado bloqueado /-
58 error en la gestiĆ³n de la tarjeta /-
59 establezca una clave de acceso /-
60 pulse el teclado /-
61 zona de accceso invalida /-
62 acceso combinado invÄŗlido /-
63 verificaciĆ³n multiusuario /-
64 modo de verificaciĆ³n invĆ”lido /-
65 - /-
'''
command = const.CMD_TESTVOICE
command_string = pack("I", index)
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't test voice")
def set_user(self, uid, name, privilege=0, password='', group_id='', user_id='', card=0):
'''
create or update user by uid
'''
command = const.CMD_USER_WRQ
if not user_id:
user_id = str(uid) #ZK6 needs uid2 == uid
#uid = chr(uid % 256) + chr(uid >> 8)
if privilege not in [const.USER_DEFAULT, const.USER_ADMIN]:
privilege = const.USER_DEFAULT
privilege = int(privilege)
if self.user_packet_size == 28: #self.firmware == 6:
if not group_id:
group_id = 0
try:
command_string = pack('HB5s8sIxBHI', uid, privilege, password.encode(), name.encode(), card, int(group_id), 0, int(user_id))
except Exception as e:
if self.verbose: print("s_h Error pack: %s" % e)
if self.verbose: print("Error pack: %s" % sys.exc_info()[0])
raise ZKErrorResponse("Cant pack user")
else:
name_pad = name.encode().ljust(24, b'\x00')[:24]
card_str = pack('i', int(card))[:4]
command_string = pack('HB8s24s4sx7sx24s', uid, privilege, password.encode(), name_pad, card_str, group_id.encode(), user_id.encode())
response_size = 1024 #TODO check response?
cmd_response = self.__send_command(command, command_string, response_size)
if not cmd_response.get('status'):
raise ZKErrorResponse("Cant set user")
self.refresh_data()
def save_user_template(self, user, fingers=[]):
""" save user and template """
#TODO: grabado global
# armar paquete de huellas
if not isinstance(user, User):
#try uid
users = self.get_users()
users = list(filter(lambda x: x.uid==user, users))
if len(users) == 1:
user = users[0]
else:
raise ZKErrorResponse("Cant find user")
if isinstance(fingers, Finger):
fingers = [fingers]
fpack = ""
table = ""
fnum = 0x10 # possibly flag
tstart = 0
for finger in fingers:
tfp = finger.repack_only()
table += pack("<bHbI", 2, user.uid, fnum + finger.fid, tstart)
tstart += len(tfp)
fpack += tfp
if self.user_packet_size == 28: #self.firmware == 6:
upack = user.repack29()
else: # 72
upack = user.repack73()
head = pack("III", len(upack), len(table), len(fpack))
packet = head + upack + table + fpack
self._send_with_buffer(packet)
command = 110 # Unknown
command_string = pack('<IHH', 12,0,8) # ??? write? WRQ user data?
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("Cant save utemp")
self.refresh_data()
def _send_with_buffer(self, buffer):
MAX_CHUNK = 1024
size = len(buffer)
#free_Data
self.free_data()
# send prepare_data
command = const.CMD_PREPARE_DATA
command_string = pack('I', size)
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("Cant prepare data")
remain = size % MAX_CHUNK
packets = (size - remain) // MAX_CHUNK
start = 0
for _wlk in range(packets):
self.__send_chunk(buffer[start:start+MAX_CHUNK])
start += MAX_CHUNK
if remain:
self.__send_chunk(buffer[start:start+remain])
def __send_chunk(self, command_string):
command = const.CMD_DATA
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True #refres_data (1013)?
else:
raise ZKErrorResponse("Cant send chunk")
def delete_user_template(self, uid, temp_id=0):
"""
Delete specific template
for tcp via user_id:
command = 134 # unknown?
command_string = pack('<24sB', user_id, temp_id)
"""
command = const.CMD_DELETE_USERTEMP
command_string = pack('hb', uid, temp_id)
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True #refres_data (1013)?
else:
return False # probably empty!
def delete_user(self, uid=0, user_id=''):
'''
delete specific user by uid
'''
"""if self.tcp: should work but not tested
if not user_id:
#we need user_id (uid2)
users = self.get_users()
users = list(filter(lambda x: x.uid==uid, users))
if len(users) == 1:
user_id = users[0].user_id
else: #double? posibly empty
return False #can't enrool
command = 133 #const.CMD_DELETE_USER_2
command_string = pack('24s',str(user_id))
else:"""
command = const.CMD_DELETE_USER
command_string = pack('h', uid)
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("can't delete user")
self.refresh_data()
def get_user_template(self, uid, temp_id=0):
""" ZKFinger VX10.0
for tcp:
command = const.CMD_USERTEMP_RRQ (doesn't work always)
command_string = pack('hb', uid, temp_id)
"""
command = 88 # comando secreto!!!
command_string = pack('hb', uid, temp_id)
response_size = 1024 + 8
cmd_response = self.__send_command(command, command_string, response_size)
data = []
if not cmd_response.get('status'):
return None #("can't get user template")
#else
if cmd_response.get('code') == const.CMD_DATA: # less than 1024!!!
resp = self.__data[:-1]
if self.tcp:
if resp[-6:] == b'\x00\x00\x00\x00\x00\x00': # padding? bug?
resp = resp[:-6]
if self.verbose: print("tcp too small!")
return Finger(uid, temp_id, 1, resp)
if cmd_response.get('code') == const.CMD_PREPARE_DATA:
data = []
bytes = self.__get_data_size() #TODO: check with size
size = bytes
if self.tcp:
data_recv = self.__sock.recv(bytes + 32)
recieved = len(data_recv)
tcp_length = unpack('HHI', data_recv[:8])[2] #bytes+8
if tcp_length < (bytes + 8):
if self.verbose: print ("request chunk too big!")
response = unpack('HHHH', data_recv[8:16])[0]
if recieved >= (bytes + 32): #complete
if response == const.CMD_DATA:
resp = data_recv[16:bytes+16][:size-1] # no ack?
if resp[-6:] == b'\x00\x00\x00\x00\x00\x00': # padding? bug?
resp = resp[:-6]
if self.verbose: print ("resp len1", len(resp))
return Finger(uid, temp_id, 1, resp) #mistery
else:
if self.verbose: print("broken packet!!!")
return None #broken
else: # incomplete
data.append(data_recv[16:]) # w/o tcp and header
bytes -= recieved-16
while bytes>0: #jic
data_recv = self.__sock.recv(bytes) #ideal limit?
recieved = len(data_recv)
data.append(data_recv) # w/o tcp and header
bytes -= recieved
data_recv = self.__sock.recv(16)
response = unpack('HHHH', data_recv[8:16])[0]
if response == const.CMD_ACK_OK:
resp = b''.join(data)[:size-1] # testing
if resp[-6:] == b'\x00\x00\x00\x00\x00\x00':
resp = resp[:-6]
if self.verbose: print ("resp len2", len(resp))
return Finger(uid, temp_id, 1, resp)
#data_recv[bytes+16:].encode('hex') #included CMD_ACK_OK
if self.verbose: print("bad response %s" % data_recv)
if self.verbose: print(data)
return None
#else udp
size = bytes
while True: #limitado por respuesta no por tamaƱo
data_recv = self.__sock.recv(response_size)
response = unpack('HHHH', data_recv[:8])[0]
if self.verbose: print("# %s packet response is: %s" % (pac, response))
if response == const.CMD_DATA:
data.append(data_recv[8:]) #header turncated
bytes -= 1024
elif response == const.CMD_ACK_OK:
break #without problem.
else:
#truncado! continuar?
if self.verbose: print("broken!")
break
if self.verbose: print("still needs %s" % bytes)
data = b''.join(data)
#uid 32 fing 03, starts with 4d-9b-53-53-32-31
#CMD_USERTEMP_RRQ desn't need [:-1]
return Finger(uid, temp_id, 1, data[:-1]) #udp
def get_templates(self):
""" return array of all fingers """
templates = []
templatedata, size = self.read_with_buffer(const.CMD_DB_RRQ, const.FCT_FINGERTMP)
if size < 4:
if self.verbose: print("WRN: no user data") # debug
return []
total_size = unpack('i', templatedata[0:4])[0]
print ("get template total size {}, size {} len {}".format(total_size, size, len(templatedata)))
templatedata = templatedata[4:] #total size not used
# ZKFinger VX10.0 the only finger firmware tested
while total_size:
#print ("total_size {}".format(total_size))
size, uid, fid, valid = unpack('HHbb',templatedata[:6])
template = unpack("%is" % (size-6), templatedata[6:size])[0]
finger = Finger(uid, fid, valid, template)
if self.verbose: print(finger) # test
templates.append(finger)
templatedata = templatedata[size:]
total_size -= size
return templates
def get_users(self): #ALWAYS CALL TO GET correct user_packet_size
""" return all user """
self.read_sizes() # last update
if self.users == 0: #lazy
return []
users = []
userdata, size = self.read_with_buffer(const.CMD_USERTEMP_RRQ, const.FCT_USER)
if self.verbose: print("user size %i" % size)
if size <= 4:
if self.verbose: print("WRN: no user data")# debug
return []
total_size = unpack("I",userdata[:4])[0]
self.user_packet_size = total_size / self.users
if not self.user_packet_size in [28, 72]:
if self.verbose: print("WRN packet size would be %i" % self.user_packet_size)
userdata = userdata[4:]
if self.user_packet_size == 28:
while len(userdata) >= 28:
uid, privilege, password, name, card, group_id, timezone, user_id = unpack('<HB5s8sIxBhI',userdata.ljust(28, b'\x00')[:28])
password = (password.split(b'\x00')[0]).decode(errors='ignore')
name = (name.split(b'\x00')[0]).decode(errors='ignore').strip()
#card = unpack('I', card)[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, card)
users.append(user)
if self.verbose: 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, card, group_id, user_id = unpack('<HB8s24sIx7sx24s', userdata.ljust(72, b'\x00')[: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 = (password.split(b'\x00')[0]).decode(errors='ignore')
name = (name.split(b'\x00')[0]).decode(errors='ignore').strip()
group_id = (group_id.split(b'\x00')[0]).decode(errors='ignore').strip()
user_id = (user_id.split(b'\x00')[0]).decode(errors='ignore')
#card = int(unpack('I', separator)[0])
if not name:
name = "NN-%s" % user_id
user = User(uid, name, privilege, password, group_id, user_id, card)
users.append(user)
userdata = userdata[72:]
return users
def cancel_capture(self):
'''
cancel capturing finger
'''
command = const.CMD_CANCELCAPTURE
cmd_response = self.__send_command(command)
return bool(cmd_response.get('status'))
def verify_user(self):
'''
start verify finger mode (after capture)
'''
command = const.CMD_STARTVERIFY
# uid = chr(uid % 256) + chr(uid >> 8)
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("Cant Verify")
def reg_event(self, flags):
""" reg events, """
command = const.CMD_REG_EVENT
command_string = pack ("I", flags)
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("cant' reg events %i" % flags)
def set_sdk_build_1(self):
""" """
command = const.CMD_OPTIONS_WRQ
command_string = b"SDKBuild=1"
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
return False #raise ZKErrorResponse("can't set sdk build ")
return True
def enroll_user(self, uid=0, temp_id=0, user_id=''):
'''
start enroll user
we need user_id (uid2)
'''
command = const.CMD_STARTENROLL
done = False
if not user_id:
#we need user_id (uid2)
users = self.get_users()
users = list(filter(lambda x: x.uid==uid, users))
if len(users) >= 1:
user_id = users[0].user_id
else: #double? posibly empty
return False #can't enroll
if self.tcp:
command_string = pack('<24sbb',str(user_id).encode(), temp_id, 1) # el 1 es misterio
else:
command_string = pack('<Ib', int(user_id), temp_id) #
self.cancel_capture()
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("Cant Enroll user #%i [%i]" %(uid, temp_id))
#retorna rapido toca esperar un reg event
self.__sock.settimeout(60)# default 1min for finger
attempts = 3
while attempts:
if self.verbose: print("A:%i esperando primer regevent" % attempts)
data_recv = self.__sock.recv(1032) # timeout? tarda bastante...
self.__ack_ok()
if self.verbose: print(codecs.encode(data_recv,'hex'))
if self.tcp:
if len(data_recv) > 16: #not empty
res = unpack("H", data_recv.ljust(24,b"\x00")[16:18])[0]
if self.verbose: print("res %i" % res)
if res == 0 or res == 6 or res == 4:
# 6 timeout, 4 mismatch error, 0 can't start(why?)
if self.verbose: print ("posible timeout o reg Fallido")
break
else:
if len(data_recv) > 8: #not empty
res = unpack("H", data_recv.ljust(16,b"\x00")[8:10])[0]
if self.verbose: print("res %i" % res)
if res == 6 or res == 4:
if self.verbose: print ("posible timeout o reg Fallido")
break
if self.verbose: print ("A:%i esperando 2do regevent" % attempts)
data_recv = self.__sock.recv(1032) # timeout? tarda bastante...
self.__ack_ok()
if self.verbose: print (codecs.encode(data_recv, 'hex'))
if self.tcp:
if len(data_recv) > 8: #not empty
res = unpack("H", data_recv.ljust(24,b"\x00")[16:18])[0]
if self.verbose: print("res %i" % res)
if res == 6 or res == 4:
if self.verbose: print ("posible timeout o reg Fallido")
break
elif res == 0x64:
if self.verbose: print ("ok, continue?")
attempts -= 1
else:
if len(data_recv) > 8: #not empty
res = unpack("H", data_recv.ljust(16,b"\x00")[8:10])[0]
if self.verbose: print("res %i" % res)
if res == 6 or res == 4:
if self.verbose: print ("posible timeout o reg Fallido")
break
elif res == 0x64:
if self.verbose: print ("ok, continue?")
attempts -= 1
if attempts == 0:
if self.verbose: print ("esperando 3er regevent")
data_recv = self.__sock.recv(1032) # timeout? tarda bastante...
self.__ack_ok()
if self.verbose: print (codecs.encode(data_recv, 'hex'))
if self.tcp:
res = unpack("H", data_recv.ljust(24,b"\x00")[16:18])[0]
else:
res = unpack("H", data_recv.ljust(16,b"\x00")[8:10])[0]
if self.verbose: print("res %i" % res)
if res == 5:
if self.verbose: print ("huella duplicada")
if res == 6 or res == 4:
if self.verbose: print ("posible timeout o reg Fallido")
if res == 0:
size = unpack("H", data_recv.ljust(16,b"\x00")[10:12])[0]
pos = unpack("H", data_recv.ljust(16,b"\x00")[12:14])[0]
if self.verbose: print("enroll ok", size, pos)
done = True
self.__sock.settimeout(self.__timeout)
self.reg_event(0) # TODO: test
self.cancel_capture()
self.verify_user()
return done
def live_capture(self, new_timeout=10):# generator!
""" try live capture of events"""
was_enabled = self.is_enabled
users = self.get_users()
self.cancel_capture()
self.verify_user()
if not self.is_enabled:
self.enable_device()
self.reg_event(const.EF_ATTLOG) #0xFFFF
self.__sock.settimeout(new_timeout) # default 1 minute test?
self.end_live_capture = False
while not self.end_live_capture:
try:
if self.verbose: print ("esperando event")
data_recv = self.__sock.recv(1032)
self.__ack_ok()
if self.tcp:
size = unpack('<HHI', data_recv[:8])[2]
header = unpack('HHHH', data_recv[8:16])
data = data_recv[16:]
else:
size = len(data_recv)
header = unpack('HHHH', data_recv[:8])
data = data_recv[8:]
if not header[0] == const.CMD_REG_EVENT:
if self.verbose: print("not event!")
continue # or raise error?
if not len(data):
if self.verbose: print ("empty")
continue
"""if len (data) == 5:
continue"""
if len(data) == 12: #class 1 attendance
user_id, status, match, timehex = unpack('<IBB6s', data)
timestamp = self.__decode_timehex(timehex)
tuser = list(filter(lambda x: int(x.user_id) == user_id, users))
if not tuser:
uid = user_id
else:
uid = tuser[0].uid
yield Attendance(uid, user_id, timestamp, status)
elif len(data) == 36: #class 2 attendance
user_id, status, match, timehex, res = unpack('<24sBB6sI', data)
user_id = (user_id.split(b'\x00')[0]).decode(errors='ignore')
timestamp = self.__decode_timehex(timehex)
tuser = list(filter(lambda x: int(x.user_id) == int(user_id), users))
if not tuser:
uid = int(user_id)
else:
uid = tuser[0].uid
yield Attendance(uid, user_id, timestamp, status)
else:
if self.verbose: print (codecs.encode(data, 'hex')), len(data)
yield codecs.encode(data, 'hex')
except timeout:
if self.verbose: print ("time out")
yield None # return to keep watching
except (KeyboardInterrupt, SystemExit):
if self.verbose: print ("break")
break
if self.verbose: print ("exit gracefully")
self.__sock.settimeout(self.__timeout)
self.reg_event(0) # TODO: test
if not was_enabled:
self.disable_device()
def clear_data(self, clear_type=5): # FCT_USER
'''
clear all data (include: user, attendance report, finger database )
2 = FCT_FINGERTMP
'''
command = const.CMD_CLEAR_DATA
command_string = pack("B", clear_type)
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't clear data")
def __read_chunk(self, start, size):
""" read a chunk from buffer """
command = 1504 #CMD_READ_BUFFER
command_string = pack('<ii', start, size)
response_size = 1024 + 8
cmd_response = self.__send_command(command, command_string, response_size)
if not cmd_response.get('status'):
raise ZKErrorResponse("can't read chunk %i:[%i]" % (start, size))
#else
if cmd_response.get('code') == const.CMD_DATA: # less than 1024!!!
if self.verbose: print ("size was {} len is {}".format(size, len(self.__data)))
return self.__data
if cmd_response.get('code') == const.CMD_PREPARE_DATA:
data = []
bytes = self.__get_data_size() #TODO: check with size
if self.verbose: print ("prepare data size is", bytes)
if self.tcp:
data_recv = self.__sock.recv(bytes + 32)
recieved = len(data_recv)
tcp_length = unpack('HHI', data_recv[:8])[2] #bytes+8
if tcp_length < (bytes + 8):
if self.verbose: print ("request chunk too big!")
response = unpack('HHHH', data_recv[8:16])[0]
if recieved >= (bytes + 32): #complete
if response == const.CMD_DATA:
resp = data_recv[16:bytes+16] # no ack?
if self.verbose: print ("resp len", len(resp))
return resp
else:
if self.verbose: print("broken packet!!!")
return '' #broken
else: # incomplete
data.append(data_recv[16:]) # w/o tcp and header
bytes -= recieved-16
while bytes>0: #jic
data_recv = self.__sock.recv(bytes) #ideal limit?
recieved = len(data_recv)
data.append(data_recv) # w/o tcp and header
bytes -= recieved
data_recv = self.__sock.recv(16)
response = unpack('HHHH', data_recv[8:16])[0]
if response == const.CMD_ACK_OK:
return b''.join(data)
#data_recv[bytes+16:].encode('hex') #included CMD_ACK_OK
if self.verbose: print("bad response %s" % data_recv)
if self.verbose: print (data)
return ''
#else udp
while True: #limitado por respuesta no por tamaƱo
data_recv = self.__sock.recv(response_size)
response = unpack('HHHH', data_recv[:8])[0]
if self.verbose: print ("# %s packet response is: %s" % (pac, response))
if response == const.CMD_DATA:
data.append(data_recv[8:]) #header turncated
bytes -= 1024 #UDP
elif response == const.CMD_ACK_OK:
break #without problem.
else:
#truncado! continuar?
if self.verbose: print ("broken!")
break
if self.verbose: print ("still needs %s" % bytes)
return b''.join(data)
def read_with_buffer(self, command, fct=0 ,ext=0):
""" Test read info with buffered command (ZK6: 1503) """
if self.tcp:
MAX_CHUNK = 0xFFc0 #arbitrary, below 0x10008
else:
MAX_CHUNK = 16 * 1024
command_string = pack('<bhii', 1, command, fct, ext)
if self.verbose: print ("rwb cs", command_string)
response_size = 1024
data = []
start = 0
cmd_response = self.__send_command(1503, command_string, response_size)
if not cmd_response.get('status'):
raise ZKErrorResponse("RWB Not supported")
if cmd_response['code'] == const.CMD_DATA:
#direct!!! small!!!
size = len(self.__data)
return self.__data, size
size = unpack('I', self.__data[1:5])[0] # extra info???
if self.verbose: print ("size fill be %i" % size)
remain = size % MAX_CHUNK
packets = (size-remain) // MAX_CHUNK # should be size /16k
for _wlk in range(packets):
data.append(self.__read_chunk(start,MAX_CHUNK))
start += MAX_CHUNK
if remain:
data.append(self.__read_chunk(start, remain))
start += remain # Debug
self.free_data()
if self.verbose: print ("_read w/chunk %i bytes" % start)
return b''.join(data), start
def get_attendance(self):
""" return attendance record """
self.read_sizes()
if self.records == 0: #lazy
return []
users = self.get_users()
if self.verbose: print (users)
attendances = []
attendance_data, size = self.read_with_buffer(const.CMD_ATTLOG_RRQ)
if size < 4:
if self.verbose: print ("WRN: no attendance data") # debug
return []
total_size = unpack("I", attendance_data[:4])[0]
record_size = total_size/self.records
if self.verbose: print ("record_size is ", record_size)
attendance_data = attendance_data[4:] #total size not used
if record_size == 8 : #ultra old format
while len(attendance_data) >= 8:
uid, status, timestamp = unpack('HH4s', attendance_data.ljust(8, b'\x00')[:8])
if self.verbose: print (codecs.encode(attendance_data[:8], 'hex'))
attendance_data = attendance_data[8:]
tuser = list(filter(lambda x: x.uid == uid, users))
if not tuser:
user_id = str(uid) #TODO revisar pq
else:
user_id = tuser[0].user_id
timestamp = self.__decode_time(timestamp)
attendance = Attendance(uid, user_id, timestamp, status)
attendances.append(attendance)
elif record_size == 16: # extended
while len(attendance_data) >= 16:
user_id, timestamp, status, verified, reserved, workcode = unpack('<I4sBB2sI', attendance_data.ljust(16, b'\x00')[:16])
if self.verbose: print(codecs.encode(attendance_data[:16], 'hex'))
attendance_data = attendance_data[16:]
tuser = list(filter(lambda x: int(x.user_id) == int(user_id), users))
if not tuser:
if self.verbose: print("no uid {}", user_id)
uid = str(user_id)
tuser = list(filter(lambda x: x.uid == user_id, users)) # refix
if not tuser:
uid = str(user_id) #TODO revisar pq
else:
uid = tuser[0].uid
user_id = tuser[0].user_id
else:
uid = tuser[0].uid
timestamp = self.__decode_time(timestamp)
attendance = Attendance(uid, user_id, timestamp, status)
attendances.append(attendance)
else:
while len(attendance_data) >= 40:
uid, user_id, sparator, timestamp, status, space = unpack('<H24sc4sB8s', attendance_data.ljust(40, b'\x00')[:40])
if self.verbose: print (codecs.encode(attendance_data[:40], 'hex'))
user_id = (user_id.split(b'\x00')[0]).decode(errors='ignore')
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:]
return attendances
def clear_attendance(self):
'''
clear all attendance record
'''
command = const.CMD_CLEAR_ATTLOG
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("can't clear response")