tvl-depot/broadlink/__init__.py
Matthew Garrett d490c5b71e Add automatic determination of device type
Look at the device ID and figure out what type of device it is, and provide
appropriate classes for each that only support the functionality available
on that device.
2016-11-18 09:55:21 +13:00

337 lines
10 KiB
Python
Executable file

#!/usr/bin/python
from datetime import datetime
from Crypto.Cipher import AES
import time
import random
import socket
def discover(timeout=None):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(('8.8.8.8', 53)) # connecting to a UDP address doesn't send packets
local_ip_address = s.getsockname()[0]
address = local_ip_address.split('.')
cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
cs.bind(('',0))
port = cs.getsockname()[1]
starttime = time.time()
devices = []
timezone = time.timezone/-3600
packet = bytearray(0x30)
year = datetime.now().year
if timezone < 0:
packet[0x08] = 0xff + timezone - 1
packet[0x09] = 0xff
packet[0x0a] = 0xff
packet[0x0b] = 0xff
else:
packet[0x08] = timezone
packet[0x09] = 0
packet[0x0a] = 0
packet[0x0b] = 0
packet[0x0c] = year & 0xff
packet[0x0d] = year >> 8
packet[0x0e] = datetime.now().minute
packet[0x0f] = datetime.now().hour
subyear = str(year)[2:]
packet[0x10] = int(subyear)
packet[0x11] = datetime.now().isoweekday()
packet[0x12] = datetime.now().day
packet[0x13] = datetime.now().month
packet[0x18] = int(address[0])
packet[0x19] = int(address[1])
packet[0x1a] = int(address[2])
packet[0x1b] = int(address[3])
packet[0x1c] = port & 0xff
packet[0x1d] = port >> 8
packet[0x26] = 6
checksum = 0xbeaf
for i in range(len(packet)):
checksum += packet[i]
checksum = checksum & 0xffff
packet[0x20] = checksum & 0xff
packet[0x21] = checksum >> 8
cs.sendto(packet, ('255.255.255.255', 80))
if timeout is None:
response = cs.recvfrom(1024)
responsepacket = bytearray(response[0])
host = response[1]
mac = responsepacket[0x3a:0x40]
return device(host=host, mac=mac)
else:
while (time.time() - starttime) < timeout:
cs.settimeout(timeout - (time.time() - starttime))
try:
response = cs.recvfrom(1024)
except socket.timeout:
return devices
responsepacket = bytearray(response[0])
host = response[1]
devtype = responsepacket[0x34] | responsepacket[0x35] << 8
mac = responsepacket[0x3a:0x40]
if devtype == 0: # SP1
devices.append(sp1(host=host, mac=mac))
if devtype == 0x2711: # SP2
devices.append(sp2(host=host, mac=mac))
if devtype == 0x2719 or devtype == 0x7919 or devtype == 0x271a or devtype == 0x791a: # Honeywell SP2
devices.append(sp2(host=host, mac=mac))
if devtype == 0x2720: # SPMini
devices.append(sp2(host=host, mac=mac))
elif devtype == 0x753e: # SP3
devices.append(sp2(host=host, mac=mac))
elif devtype == 0x2728: # SPMini2
devices.append(sp2(host=host, mac=mac))
elif devtype == 0x2733 or devtype == 0x273e: # OEM branded SPMini
devices.append(sp2(host=host, mac=mac))
elif devtype >= 0x7530 and devtype <= 0x7918: # OEM branded SPMini2
devices.append(sp2(host=host, mac=mac))
elif devtype == 0x2736: # SPMiniPlus
devices.append(sp2(host=host, mac=mac))
elif devtype == 0x2712: # RM2
devices.append(rm(host=host, mac=mac))
elif devtype == 0x2737: # RM Mini
devices.append(rm(host=host, mac=mac))
elif devtype == 0x273d: # RM Pro Phicomm
devices.append(rm(host=host, mac=mac))
elif devtype == 0x2783: # RM2 Home Plus
devices.append(rm(host=host, mac=mac))
elif devtype == 0x277c: # RM2 Home Plus GDT
devices.append(rm(host=host, mac=mac))
elif devtype == 0x272a: # RM2 Pro Plus
devices.append(rm(host=host, mac=mac))
elif devtype == 0x2787: # RM2 Pro Plus2
devices.append(rm(host=host, mac=mac))
elif devtype == 0x278b: # RM2 Pro Plus BL
devices.append(rm(host=host, mac=mac))
elif devtype == 0x278f: # RM Mini Shate
devices.append(rm(host=host, mac=mac))
elif devtype == 0x2714: # A1
devices.append(a1(host=host, mac=mac))
else:
devices.append(device(host=host, mac=mac))
class device:
def __init__(self, host, mac):
self.host = host
self.mac = mac
self.count = random.randrange(0xffff)
self.key = bytearray([0x09, 0x76, 0x28, 0x34, 0x3f, 0xe9, 0x9e, 0x23, 0x76, 0x5c, 0x15, 0x13, 0xac, 0xcf, 0x8b, 0x02])
self.iv = bytearray([0x56, 0x2e, 0x17, 0x99, 0x6d, 0x09, 0x3d, 0x28, 0xdd, 0xb3, 0xba, 0x69, 0x5a, 0x2e, 0x6f, 0x58])
self.id = bytearray([0, 0, 0, 0])
self.cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
self.cs.bind(('',0))
def auth(self):
payload = bytearray(0x50)
payload[0x04] = 0x31
payload[0x05] = 0x31
payload[0x06] = 0x31
payload[0x07] = 0x31
payload[0x08] = 0x31
payload[0x09] = 0x31
payload[0x0a] = 0x31
payload[0x0b] = 0x31
payload[0x0c] = 0x31
payload[0x0d] = 0x31
payload[0x0e] = 0x31
payload[0x0f] = 0x31
payload[0x10] = 0x31
payload[0x11] = 0x31
payload[0x12] = 0x31
payload[0x1e] = 0x01
payload[0x2d] = 0x01
payload[0x30] = 'T'
payload[0x31] = 'e'
payload[0x32] = 's'
payload[0x33] = 't'
payload[0x34] = ' '
payload[0x35] = ' '
payload[0x36] = '1'
response = self.send_packet(0x65, payload)
enc_payload = response[0x38:]
aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
payload = aes.decrypt(str(enc_payload))
self.id = payload[0x00:0x04]
self.key = payload[0x04:0x14]
def send_packet(self, command, payload):
self.count = (self.count + 1) & 0xffff
packet = bytearray(0x38)
packet[0x00] = 0x5a
packet[0x01] = 0xa5
packet[0x02] = 0xaa
packet[0x03] = 0x55
packet[0x04] = 0x5a
packet[0x05] = 0xa5
packet[0x06] = 0xaa
packet[0x07] = 0x55
packet[0x24] = 0x2a
packet[0x25] = 0x27
packet[0x26] = command
packet[0x28] = self.count & 0xff
packet[0x29] = self.count >> 8
packet[0x2a] = self.mac[0]
packet[0x2b] = self.mac[1]
packet[0x2c] = self.mac[2]
packet[0x2d] = self.mac[3]
packet[0x2e] = self.mac[4]
packet[0x2f] = self.mac[5]
packet[0x30] = self.id[0]
packet[0x31] = self.id[1]
packet[0x32] = self.id[2]
packet[0x33] = self.id[3]
checksum = 0xbeaf
for i in range(len(payload)):
checksum += payload[i]
checksum = checksum & 0xffff
aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
payload = aes.encrypt(str(payload))
packet[0x34] = checksum & 0xff
packet[0x35] = checksum >> 8
for i in range(len(payload)):
packet.append(payload[i])
checksum = 0xbeaf
for i in range(len(packet)):
checksum += packet[i]
checksum = checksum & 0xffff
packet[0x20] = checksum & 0xff
packet[0x21] = checksum >> 8
self.cs.sendto(packet, self.host)
response = self.cs.recvfrom(1024)
return response[0]
class sp1(device):
def __init__ (self, host, mac):
device.__init__(self, host, mac)
def set_power(self, state):
packet = bytearray(4)
packet[0] = state
self.send_packet(0x66, packet)
class sp2(device):
def __init__ (self, host, mac):
device.__init__(self, host, mac)
def set_power(self, state):
packet = bytearray(8)
packet[0] = 2
packet[4] = state
self.send_packet(0x6a, packet)
class a1(device):
def __init__ (self, host, mac):
device.__init__(self, host, mac)
def check_sensors(self):
packet = bytearray(16)
packet[0] = 1
response = self.send_packet(0x6a, packet)
err = ord(response[0x22]) | (ord(response[0x23]) << 8)
if err == 0:
data = {}
aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
payload = aes.decrypt(str(response[0x38:]))
data['temperature'] = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0
data['humidity'] = (ord(payload[0x6]) * 10 + ord(payload[0x7])) / 10.0
light = ord(payload[0x8])
if light == 0:
data['light'] = 'dark'
elif light == 1:
data['light'] = 'dim'
elif light == 2:
data['light'] = 'normal'
elif light == 3:
data['light'] = 'bright'
else:
data['light'] = 'unknown'
air_quality = ord(payload[0x0a])
if air_quality == 0:
data['air_quality'] = 'excellent'
elif air_quality == 1:
data['air_quality'] = 'good'
elif air_quality == 2:
data['air_quality'] = 'normal'
elif air_quality == 3:
data['air_quality'] = 'bad'
else:
data['air_quality'] = 'unknown'
noise = ord(payload[0xc])
if noise == 0:
data['noise'] = 'quiet'
elif noise == 1:
data['noise'] = 'normal'
elif noise == 2:
data['noise'] = 'noisy'
else:
data['noise'] = 'unknown'
return data
class rm(device):
def __init__ (self, host, mac):
device.__init__(self, host, mac)
def check_data(self):
packet = bytearray(16)
packet[0] = 4
response = self.send_packet(0x6a, packet)
err = ord(response[0x22]) | (ord(response[0x23]) << 8)
if err == 0:
aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
payload = aes.decrypt(str(response[0x38:]))
return payload[0x04:]
def send_data(self, data):
packet = bytearray([0x02, 0x00, 0x00, 0x00])
packet += data
self.send_packet(0x6a, packet)
def enter_learning(self):
packet = bytearray(16)
packet[0] = 3
self.send_packet(0x6a, packet)
def check_temperature(self):
packet = bytearray(16)
packet[0] = 1
response = self.send_packet(0x6a, packet)
err = ord(response[0x22]) | (ord(response[0x23]) << 8)
if err == 0:
aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
payload = aes.decrypt(str(response[0x38:]))
temp = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0
return temp
# For legay compatibility - don't use this
class rm2(rm):
def __init__ (self):
device.__init__(self, None, None)
def discover(self):
dev = discover()
self.host = dev.host
self.mac = dev.mac