pyztk/zk/base.py

1631 lines
59 KiB
Python

# -*- coding: utf-8 -*-
import sys
from datetime import datetime
from socket import AF_INET, SOCK_DGRAM, SOCK_STREAM, socket, timeout
from struct import pack, unpack
import codecs
from . import const
from .attendance import Attendance
from .exception import ZKErrorConnection, ZKErrorResponse, ZKNetworkError
from .user import User
from .finger import Finger
def safe_cast(val, to_type, default=None):
#https://stackoverflow.com/questions/6330071/safe-casting-in-python
try:
return to_type(val)
except (ValueError, TypeError):
return default
def make_commkey(key, session_id, ticks=50):
"""
take a password and session_id and scramble them to send to the machine.
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):
"""
ZK helper class
"""
def __init__(self, ip, port=4370):
"""
Construct a new 'ZK_helper' object.
"""
self.address = (ip, port)
self.ip = ip
self.port = port
def test_ping(self):
"""
Returns True if host responds to a ping request
:return: bool
"""
import subprocess, platform
# Ping parameters as function of OS
ping_str = "-n 1" if platform.system().lower()=="windows" else "-c 1 -W 5"
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):
"""
test TCP connection
"""
self.client = socket(AF_INET, SOCK_STREAM)
self.client.settimeout(10)
res = self.client.connect_ex(self.address)
self.client.close()
return res
def test_udp(self):
"""
test UDP connection
"""
self.client = socket(AF_INET, SOCK_DGRAM)
self.client.settimeout(10)
class ZK(object):
"""
ZK main class
"""
def __init__(self, ip, port=4370, timeout=60, password=0, force_udp=False, ommit_ping=False, verbose=False, encoding='UTF-8'):
"""
Construct a new 'ZK' object.
:param ip: machine's IP address
:param port: machine's port
:param timeout: timeout number
:param password: passint
:param force_udp: use UDP connection
:param omit_ping: check ip using ping before connect
:param verbose: showing log while run the commands
:param encoding: user encoding
"""
User.encoding = encoding
self.__address = (ip, port)
self.__sock = socket(AF_INET, SOCK_DGRAM)
self.__sock.settimeout(timeout)
self.__timeout = timeout
self.__password = password # passint
self.__session_id = 0
self.__reply_id = const.USHRT_MAX - 1
self.__data_recv = None
self.__data = None
self.is_connect = False
self.is_enabled = True
self.helper = ZK_helper(ip, port)
self.force_udp = force_udp
self.ommit_ping = ommit_ping
self.verbose = verbose
self.encoding = encoding
self.tcp = not force_udp
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.next_uid = 1
self.next_user_id='1'
self.user_packet_size = 28 # default zk6
self.end_live_capture = False
def __nonzero__(self):
"""
for boolean test
"""
return self.is_connect
def __create_socket(self):
if self.tcp:
self.__sock = socket(AF_INET, SOCK_STREAM)
self.__sock.settimeout(self.__timeout)
self.__sock.connect_ex(self.__address)
else:
self.__sock = socket(AF_INET, SOCK_DGRAM)
self.__sock.settimeout(self.__timeout)
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
"""
buf = pack('<4H', 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('<4H', 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 __test_tcp_top(self, packet):
"""
return size!
"""
if len(packet)<=8:
return 0
tcp_header = unpack('<HHI', packet[:8])
if tcp_header[0] == const.MACHINE_PREPARE_DATA_1 and tcp_header[1] == const.MACHINE_PREPARE_DATA_2:
return tcp_header[2]
return 0
def __send_command(self, command, command_string=b'', response_size=8):
"""
send command to the terminal
"""
if command not in [const.CMD_CONNECT, const.CMD_AUTH] and not self.is_connect:
raise ZKErrorConnection("instance are not connected.")
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_length = self.__test_tcp_top(self.__tcp_data_recv)
if self.__tcp_length == 0:
raise ZKNetworkError("TCP packet invalid")
self.__header = unpack('<4H', self.__tcp_data_recv[8:16])
self.__data_recv = self.__tcp_data_recv[8:]
else:
self.__sock.sendto(buf, self.__address)
self.__data_recv = self.__sock.recv(response_size)
self.__header = unpack('<4H', 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:]
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(range(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 = 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("6B", 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
:return: bool
"""
self.end_live_capture = False
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:
self.user_packet_size = 72 # default zk8
self.__create_socket()
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
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
:return: bool
"""
cmd_response = self.__send_command(const.CMD_EXIT)
if cmd_response.get('status'):
self.is_connect = False
if self.__sock:
self.__sock.close()
return True
else:
raise ZKErrorResponse("can't disconnect")
def enable_device(self):
"""
re-enable the connected device and allow user activity in device again
:return: bool
"""
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 disable_device(self):
"""
disable (lock) device, to ensure no user activity in device while some process run
:return: bool
"""
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 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\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
serialnumber = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
serialnumber = serialnumber.replace(b'=', b'')
return serialnumber.decode() # string?
else:
raise ZKErrorResponse("Can't read serial number")
def get_platform(self):
"""
:return: the platform name
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'~Platform\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
platform = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
platform = platform.replace(b'=', b'')
return platform.decode()
else:
raise ZKErrorResponse("Can't read platform name")
def get_mac(self):
"""
:return: the machine's mac address
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'MAC\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
mac = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
return mac.decode()
else:
raise ZKErrorResponse("can't read mac address")
def get_device_name(self):
"""
return the device name
:return: str
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'~DeviceName\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
device = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
return device.decode()
else:
return ""
def get_face_version(self):
"""
:return: the face version
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'ZKFaceVersion\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
return safe_cast(response, int, 0) 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\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = self.__data.split(b'=', 1)[-1].split(b'\x00')[0]
response = response.replace(b'=', b'')
return safe_cast(response, int, 0) if response else 0
else:
raise ZKErrorResponse("can't read fingerprint version")
def _clear_error(self, command_string=b''):
"""
clear ACK_error
"""
cmd_response = self.__send_command(const.CMD_ACK_ERROR, command_string, 1024)
cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
def get_extend_fmt(self):
"""
determine extend fmt
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'~ExtendFmt\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
fmt = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
return safe_cast(fmt, int, 0) if fmt else 0
else:
self._clear_error(command_string)
return None
def get_user_extend_fmt(self):
"""
determine user extend fmt
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'~UserExtFmt\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
fmt = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
return safe_cast(fmt, int, 0) if fmt else 0
else:
self._clear_error(command_string)
return None
def get_face_fun_on(self):
"""
determine extend fmt
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'FaceFunOn\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
return safe_cast(response, int ,0) if response else 0
else:
self._clear_error(command_string)
return None
def get_compat_old_firmware(self):
"""
determine old firmware
"""
command = const.CMD_OPTIONS_RRQ
command_string = b'CompatOldFirmware\x00'
response_size = 1024
cmd_response = self.__send_command(command, command_string, response_size)
if cmd_response.get('status'):
response = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
return safe_cast(response, int, 0) if response else 0
else:
self._clear_error(command_string)
return None
def get_network_params(self):
"""
get network params
"""
ip = self.__address[0]
mask = b''
gate = b''
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'IPAddress\x00', 1024)
if cmd_response.get('status'):
ip = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'NetMask\x00', 1024)
if cmd_response.get('status'):
mask = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
cmd_response = self.__send_command(const.CMD_OPTIONS_RRQ, b'GATEIPAddress\x00', 1024)
if cmd_response.get('status'):
gate = (self.__data.split(b'=', 1)[-1].split(b'\x00')[0])
return {'ip': ip.decode(), 'mask': mask.decode(), 'gateway': gate.decode()}
def get_pin_width(self):
"""
:return: the PIN width
"""
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
:return: bool
"""
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 the memory ussage
"""
command = const.CMD_GET_FREE_SIZES
response_size = 1024
cmd_response = self.__send_command(command,b'', response_size)
if cmd_response.get('status'):
if self.verbose: print(codecs.encode(self.__data,'hex'))
size = len(self.__data)
if len(self.__data) >= 80:
fields = unpack('20i', self.__data[:80])
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]
self.__data = self.__data[80:]
if len(self.__data) >= 12: #face info
fields = unpack('3i', self.__data[:12]) #dirty hack! we need more information
self.faces = fields[0]
self.faces_cap = fields[2]
return True
else:
raise ZKErrorResponse("can't read sizes")
def unlock(self, time=3):
"""
unlock the door\n
thanks to https://github.com/SoftwareHouseMerida/pyzk/
:param time: define delay in seconds
:return: bool
"""
command = const.CMD_UNLOCK
command_string = pack("I",int(time)*10)
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True
else:
raise ZKErrorResponse("Can't open door")
def get_lock_state(self):
'''
:return: boolean
thanks to https://github.com/icarome/pyzk/
'''
command = const.CMD_DOORSTATE_RRQ
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
return True
else:
return False
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
:return: bool
"""
command = const.CMD_RESTART
cmd_response = self.__send_command(command)
if cmd_response.get('status'):
self.is_connect = False
self.next_uid = 1
return True
else:
raise ZKErrorResponse("can't restart device")
def get_time(self):
"""
:return: the machine's 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)
:param timestamp: python 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 machine
"""
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'):
self.is_connect = False
self.next_uid = 1
return True
else:
raise ZKErrorResponse("can't poweroff")
def refresh_data(self):
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:\n
0 Thank You\n
1 Incorrect Password\n
2 Access Denied\n
3 Invalid ID\n
4 Please try again\n
5 Dupicate ID\n
6 The clock is flow\n
7 The clock is full\n
8 Duplicate finger\n
9 Duplicated punch\n
10 Beep kuko\n
11 Beep siren\n
12 -\n
13 Beep bell\n
14 -\n
15 -\n
16 -\n
17 -\n
18 Windows(R) opening sound\n
19 -\n
20 Fingerprint not emolt\n
21 Password not emolt\n
22 Badges not emolt\n
23 Face not emolt\n
24 Beep standard\n
25 -\n
26 -\n
27 -\n
28 -\n
29 -\n
30 Invalid user\n
31 Invalid time period\n
32 Invalid combination\n
33 Illegal Access\n
34 Disk space full\n
35 Duplicate fingerprint\n
36 Fingerprint not registered\n
37 -\n
38 -\n
39 -\n
40 -\n
41 -\n
42 -\n
43 -\n
43 -\n
45 -\n
46 -\n
47 -\n
48 -\n
49 -\n
50 -\n
51 Focus eyes on the green box\n
52 -\n
53 -\n
54 -\n
55 -\n
:param index: int sound index
:return: bool
"""
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:
return False
def set_user(self, uid=None, name='', privilege=0, password='', group_id='', user_id='', card=0):
"""
create or update user by uid
:param name: name ot the user
:param privilege: check the const.py for reference
:param password: int password
:param group_id: group ID
:param user_id: your own user ID
:param card: card
:return: bool
"""
command = const.CMD_USER_WRQ
if uid is None:
uid = self.next_uid
if not user_id:
user_id = self.next_user_id
if not user_id:
user_id = str(uid) #ZK6 needs uid2 == uid
#TODO: check what happens if name is missing...
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(self.encoding, errors='ignore'), name.encode(self.encoding, errors='ignore'), 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("Can't pack user")
else:
name_pad = name.encode(self.encoding, errors='ignore').ljust(24, b'\x00')[:24]
card_str = pack('<I', int(card))[:4]
command_string = pack('HB8s24s4sx7sx24s', uid, privilege, password.encode(self.encoding, errors='ignore'), 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 self.verbose: print("Response: %s" % cmd_response)
if not cmd_response.get('status'):
raise ZKErrorResponse("Can't set user")
self.refresh_data()
if self.next_uid == uid:
self.next_uid += 1 # better recalculate again
if self.next_user_id == user_id:
self.next_user_id = str(self.next_uid)
def save_user_template(self, user, fingers=[]):
"""
save user and template
:param user: user
:param fingers: list of finger. (The maximum index 0-9)
"""
if not isinstance(user, User):
users = self.get_users()
tusers = list(filter(lambda x: x.uid==user, users))
if len(tusers) == 1:
user = tusers[0]
else:
tusers = list(filter(lambda x: x.user_id==str(user), users))
if len(tusers) == 1:
user = tusers[0]
else:
raise ZKErrorResponse("Can't find user")
if isinstance(fingers, Finger):
fingers = [fingers]
fpack = b""
table = b""
fnum = 0x10
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:
upack = user.repack29()
else:
upack = user.repack73()
head = pack("III", len(upack), len(table), len(fpack))
packet = head + upack + table + fpack
self._send_with_buffer(packet)
command = 110
command_string = pack('<IHH', 12,0,8)
cmd_response = self.__send_command(command, command_string)
if not cmd_response.get('status'):
raise ZKErrorResponse("Can't save utemp")
self.refresh_data()
def _send_with_buffer(self, buffer):
MAX_CHUNK = 1024
size = len(buffer)
self.free_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("Can't 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
else:
raise ZKErrorResponse("Can't send chunk")
def delete_user_template(self, uid=0, temp_id=0, user_id=''):
"""
Delete specific template
:param uid: user ID that are generated from device
:param user_id: your own user ID
:return: bool
"""
if self.tcp and user_id:
command = 134
command_string = pack('<24sB', str(user_id), temp_id)
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
return True
else:
return False # probably empty!
if not uid:
users = self.get_users()
users = list(filter(lambda x: x.user_id==str(user_id), users))
if not users:
return False
uid = users[0].uid
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 or user_id
:param uid: user ID that are generated from device
:param user_id: your own user ID
:return: bool
"""
if not uid:
users = self.get_users()
users = list(filter(lambda x: x.user_id==str(user_id), users))
if not users:
return False
uid = users[0].uid
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()
if uid == (self.next_uid - 1):
self.next_uid = uid
def get_user_template(self, uid = '', temp_id=0, user_id=''):
"""
:param uid: user ID that are generated from device
:param user_id: your own user ID
:return: list Finger object of the selected user
"""
if not uid:
users = self.get_users()
users = list(filter(lambda x: x.user_id==str(user_id), users))
if not users:
return False
uid = users[0].uid
for _retries in range(3):
command = 88 # command secret!!! GET_USER_TEMPLATE
command_string = pack('hb', uid, temp_id)
response_size = 1024 + 8
cmd_response = self.__send_command(command, command_string, response_size)
data = self.__recieve_chunk()
if data is not None:
resp = data[:-1]
if resp[-6:] == b'\x00\x00\x00\x00\x00\x00': # padding? bug?
resp = resp[:-6]
return Finger(uid, temp_id, 1, resp)
if self.verbose: print ("retry get_user_template")
else:
if self.verbose: print ("Can't read/find finger")
return None
def get_templates(self):
"""
:return: list of Finger object
"""
self.read_sizes()
if self.fingers == 0:
return []
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")
return []
total_size = unpack('i', templatedata[0:4])[0]
if self.verbose: print ("get template total size {}, size {} len {}".format(total_size, size, len(templatedata)))
templatedata = templatedata[4:]
while 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)
templates.append(finger)
templatedata = templatedata[size:]
total_size -= size
return templates
def get_users(self):
"""
:return: list of User object
"""
self.read_sizes()
if self.users == 0:
self.next_uid = 1
self.next_user_id='1'
return []
users = []
max_uid = 0
userdata, size = self.read_with_buffer(const.CMD_USERTEMP_RRQ, const.FCT_USER)
if self.verbose: print("user size {} (= {})".format(size, len(userdata)))
if size <= 4:
print("WRN: missing user data")
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])
if uid > max_uid: max_uid = uid
password = (password.split(b'\x00')[0]).decode(self.encoding, errors='ignore')
name = (name.split(b'\x00')[0]).decode(self.encoding, errors='ignore').strip()
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])
password = (password.split(b'\x00')[0]).decode(self.encoding, errors='ignore')
name = (name.split(b'\x00')[0]).decode(self.encoding, errors='ignore').strip()
group_id = (group_id.split(b'\x00')[0]).decode(self.encoding, errors='ignore').strip()
user_id = (user_id.split(b'\x00')[0]).decode(self.encoding, errors='ignore')
if uid > max_uid: max_uid = uid
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:]
max_uid += 1
self.next_uid = max_uid
self.next_user_id = str(max_uid)
while True:
if any(u for u in users if u.user_id == self.next_user_id):
max_uid += 1
self.next_user_id = str(max_uid)
else:
break
return users
def cancel_capture(self):
"""
cancel capturing finger
:return: bool
"""
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)
:return: bool
"""
command = const.CMD_STARTVERIFY
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
return True
def enroll_user(self, uid=0, temp_id=0, user_id=''):
"""
start enroll user
:param uid: uid
:param temp_id: template id
:param user_id: user ID
:return: bool
"""
command = const.CMD_STARTENROLL
done = False
if not user_id:
users = self.get_users()
users = list(filter(lambda x: x.uid==uid, users))
if len(users) >= 1:
user_id = users[0].user_id
else:
return False
if self.tcp:
command_string = pack('<24sbb',str(user_id).encode(), temp_id, 1)
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))
self.__sock.settimeout(60)
attempts = 3
while attempts:
if self.verbose: print("A:%i esperando primer regevent" % attempts)
data_recv = self.__sock.recv(1032)
self.__ack_ok()
if self.verbose: print(codecs.encode(data_recv,'hex'))
if self.tcp:
if len(data_recv) > 16:
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:
if self.verbose: print ("posible timeout o reg Fallido")
break
else:
if len(data_recv) > 8:
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")
break
if self.verbose: print ("A:%i esperando 2do regevent" % attempts)
data_recv = self.__sock.recv(1032)
self.__ack_ok()
if self.verbose: print (codecs.encode(data_recv, 'hex'))
if self.tcp:
if len(data_recv) > 8:
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:
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:
data_recv = self.__sock.recv(1032)
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 ("finger duplicate")
if res == 6 or res == 4:
if self.verbose: print ("posible timeout")
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):
"""
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()
if self.verbose: print ("start live_capture")
self.reg_event(const.EF_ATTLOG)
self.__sock.settimeout(new_timeout)
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('<4H', data_recv[:8])
data = data_recv[8:]
if not header[0] == const.CMD_REG_EVENT:
if self.verbose: print("not event! %x" % header[0])
continue
if not len(data):
if self.verbose: print ("empty")
continue
while len(data) >= 12:
if len(data) == 12:
user_id, status, punch, timehex = unpack('<IBB6s', data)
data = data[12:]
elif len(data) == 32:
user_id, status, punch, timehex = unpack('<24sBB6s', data[:32])
data = data[32:]
elif len(data) == 36:
user_id, status, punch, timehex, _other = unpack('<24sBB6s4s', data[:36])
data = data[36:]
elif len(data) >= 52:
user_id, status, punch, timehex, _other = unpack('<24sBB6s20s', data[:52])
data = data[52:]
if isinstance(user_id, int):
user_id = str(user_id)
else:
user_id = (user_id.split(b'\x00')[0]).decode(errors='ignore')
timestamp = self.__decode_timehex(timehex)
tuser = list(filter(lambda x: x.user_id == user_id, users))
if not tuser:
uid = int(user_id)
else:
uid = tuser[0].uid
yield Attendance(user_id, timestamp, status, punch, uid)
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)
if not was_enabled:
self.disable_device()
def clear_data(self):
"""
clear all data (included: user, attendance report, finger database)
:return: bool
"""
command = const.CMD_CLEAR_DATA
command_string = b''
cmd_response = self.__send_command(command, command_string)
if cmd_response.get('status'):
self.next_uid = 1
return True
else:
raise ZKErrorResponse("can't clear data")
def __recieve_tcp_data(self, data_recv, size):
""" data_recv, raw tcp packet
must analyze tcp_length
must return data, broken
"""
data = []
tcp_length = self.__test_tcp_top(data_recv)
if self.verbose: print ("tcp_length {}, size {}".format(tcp_length, size))
if tcp_length <= 0:
if self.verbose: print ("Incorrect tcp packet")
return None, b""
if (tcp_length - 8) < size:
if self.verbose: print ("tcp length too small... retrying")
resp, bh = self.__recieve_tcp_data(data_recv, tcp_length - 8)
data.append(resp)
size -= len(resp)
if self.verbose: print ("new tcp DATA packet to fill misssing {}".format(size))
data_recv = bh + self.__sock.recv(size + 16 )
if self.verbose: print ("new tcp DATA starting with {} bytes".format(len(data_recv)))
resp, bh = self.__recieve_tcp_data(data_recv, size)
data.append(resp)
if self.verbose: print ("for misssing {} recieved {} with extra {}".format(size, len(resp), len(bh)))
return b''.join(data), bh
recieved = len(data_recv)
if self.verbose: print ("recieved {}, size {}".format(recieved, size))
response = unpack('HHHH', data_recv[8:16])[0]
if recieved >= (size + 32):
if response == const.CMD_DATA:
resp = data_recv[16 : size + 16]
if self.verbose: print ("resp complete len {}".format(len(resp)))
return resp, data_recv[size + 16:]
else:
if self.verbose: print("incorrect response!!! {}".format(response))
return None, b""
else:
if self.verbose: print ("try DATA incomplete (actual valid {})".format(recieved-16))
data.append(data_recv[16 : size + 16 ])
size -= recieved - 16
broken_header = b""
if size < 0:
broken_header = data_recv[size:]
if self.verbose: print ("broken", (broken_header).encode('hex'))
if size > 0:
data_recv = self.__recieve_raw_data(size)
data.append(data_recv)
return b''.join(data), broken_header
def __recieve_raw_data(self, size):
""" partial data ? """
data = []
if self.verbose: print ("expecting {} bytes raw data".format(size))
while size > 0:
data_recv = self.__sock.recv(size)
recieved = len(data_recv)
if self.verbose: print ("partial recv {}".format(recieved))
if recieved < 100 and self.verbose: print (" recv {}".format(codecs.encode(data_recv, 'hex')))
data.append(data_recv)
size -= recieved
if self.verbose: print ("still need {}".format(size))
return b''.join(data)
def __recieve_chunk(self):
""" recieve a chunk """
if self.__response == const.CMD_DATA:
if self.tcp:
if self.verbose: print ("_rc_DATA! is {} bytes, tcp length is {}".format(len(self.__data), self.__tcp_length))
if len(self.__data) < (self.__tcp_length - 8):
need = (self.__tcp_length - 8) - len(self.__data)
if self.verbose: print ("need more data: {}".format(need))
more_data = self.__recieve_raw_data(need)
return b''.join([self.__data, more_data])
else:
if self.verbose: print ("Enough data")
return self.__data
else:
if self.verbose: print ("_rc len is {}".format(len(self.__data)))
return self.__data
elif self.__response == const.CMD_PREPARE_DATA:
data = []
size = self.__get_data_size()
if self.verbose: print ("recieve chunk: prepare data size is {}".format(size))
if self.tcp:
if len(self.__data) >= (8 + size):
data_recv = self.__data[8:]
else:
data_recv = self.__data[8:] + self.__sock.recv(size + 32)
resp, broken_header = self.__recieve_tcp_data(data_recv, size)
data.append(resp)
# get CMD_ACK_OK
if len(broken_header) < 16:
data_recv = broken_header + self.__sock.recv(16)
else:
data_recv = broken_header
if len(data_recv) < 16:
print ("trying to complete broken ACK %s /16" % len(data_recv))
if self.verbose: print (data_recv.encode('hex'))
data_recv += self.__sock.recv(16 - len(data_recv)) #TODO: CHECK HERE_!
if not self.__test_tcp_top(data_recv):
if self.verbose: print ("invalid chunk tcp ACK OK")
return None
response = unpack('HHHH', data_recv[8:16])[0]
if response == const.CMD_ACK_OK:
if self.verbose: print ("chunk tcp ACK OK!")
return b''.join(data)
if self.verbose: print("bad response %s" % data_recv)
if self.verbose: print (codecs.encode(data,'hex'))
return None
return resp
while True:
data_recv = self.__sock.recv(1024+8)
response = unpack('<4H', data_recv[:8])[0]
if self.verbose: print ("# packet response is: {}".format(response))
if response == const.CMD_DATA:
data.append(data_recv[8:])
size -= 1024
elif response == const.CMD_ACK_OK:
break
else:
if self.verbose: print ("broken!")
break
if self.verbose: print ("still needs %s" % size)
return b''.join(data)
else:
if self.verbose: print ("invalid response %s" % self.__response)
return None
def __read_chunk(self, start, size):
"""
read a chunk from buffer
"""
for _retries in range(3):
command = 1504
command_string = pack('<ii', start, size)
if self.tcp:
response_size = size + 32
else:
response_size = 1024 + 8
cmd_response = self.__send_command(command, command_string, response_size)
data = self.__recieve_chunk()
if data is not None:
return data
else:
raise ZKErrorResponse("can't read chunk %i:[%i]" % (start, size))
def read_with_buffer(self, command, fct=0 ,ext=0):
"""
Test read info with buffered command (ZK6: 1503)
"""
if self.tcp:
MAX_CHUNK = 0xFFc0
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:
if self.tcp:
if self.verbose: print ("DATA! is {} bytes, tcp length is {}".format(len(self.__data), self.__tcp_length))
if len(self.__data) < (self.__tcp_length - 8):
need = (self.__tcp_length - 8) - len(self.__data)
if self.verbose: print ("need more data: {}".format(need))
more_data = self.__recieve_raw_data(need)
return b''.join([self.__data, more_data]), len(self.__data) + len(more_data)
else:
if self.verbose: print ("Enough data")
size = len(self.__data)
return self.__data, size
else:
size = len(self.__data)
return self.__data, size
size = unpack('I', self.__data[1:5])[0]
if self.verbose: print ("size fill be %i" % size)
remain = size % MAX_CHUNK
packets = (size-remain) // MAX_CHUNK # should be size /16k
if self.verbose: print ("rwb: #{} packets of max {} bytes, and extra {} bytes remain".format(packets, MAX_CHUNK, remain))
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
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
:return: List of Attendance object
"""
self.read_sizes()
if self.records == 0:
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")
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:]
if record_size == 8:
while len(attendance_data) >= 8:
uid, status, timestamp, punch = unpack('HB4sB', 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)
else:
user_id = tuser[0].user_id
timestamp = self.__decode_time(timestamp)
attendance = Attendance(user_id, timestamp, status, punch, uid)
attendances.append(attendance)
elif record_size == 16:
while len(attendance_data) >= 16:
user_id, timestamp, status, punch, reserved, workcode = unpack('<I4sBB2sI', attendance_data.ljust(16, b'\x00')[:16])
user_id = str(user_id)
if self.verbose: print(codecs.encode(attendance_data[:16], 'hex'))
attendance_data = attendance_data[16:]
tuser = list(filter(lambda x: x.user_id == 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))
if not tuser:
uid = str(user_id)
else:
uid = tuser[0].uid
user_id = tuser[0].user_id
else:
uid = tuser[0].uid
timestamp = self.__decode_time(timestamp)
attendance = Attendance(user_id, timestamp, status, punch, uid)
attendances.append(attendance)
else:
while len(attendance_data) >= 40:
uid, user_id, status, timestamp, punch, space = unpack('<H24sB4sB8s', 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)
attendance = Attendance(user_id, timestamp, status, punch, uid)
attendances.append(attendance)
attendance_data = attendance_data[40:]
return attendances
def clear_attendance(self):
"""
clear all attendance record
:return: bool
"""
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")