mirror of
https://github.com/mjg59/python-broadlink.git
synced 2024-09-21 04:20:36 +02:00
989009e21f
Add support for discovering more than one device on the network, and update the documentation to describe that.
265 lines
7.5 KiB
Python
Executable File
265 lines
7.5 KiB
Python
Executable File
#!/usr/bin/python
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from datetime import datetime
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from Crypto.Cipher import AES
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import time
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import random
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import socket
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def discover(timeout=None):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.connect(('8.8.8.8', 0)) # connecting to a UDP address doesn't send packets
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local_ip_address = s.getsockname()[0]
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address = local_ip_address.split('.')
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cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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cs.bind(('',0))
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port = cs.getsockname()[1]
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starttime = time.time()
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devices = []
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timezone = time.timezone/-3600
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packet = bytearray(0x30)
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year = datetime.now().year
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if timezone < 0:
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packet[0x08] = 0xff + timezone - 1
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packet[0x09] = 0xff
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packet[0x0a] = 0xff
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packet[0x0b] = 0xff
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else:
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packet[0x08] = timezone
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packet[0x09] = 0
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packet[0x0a] = 0
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packet[0x0b] = 0
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packet[0x0c] = year & 0xff
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packet[0x0d] = year >> 8
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packet[0x0e] = datetime.now().minute
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packet[0x0f] = datetime.now().hour
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subyear = str(year)[2:]
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packet[0x10] = int(subyear)
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packet[0x11] = datetime.now().isoweekday()
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packet[0x12] = datetime.now().day
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packet[0x13] = datetime.now().month
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packet[0x18] = int(address[0])
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packet[0x19] = int(address[1])
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packet[0x1a] = int(address[2])
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packet[0x1b] = int(address[3])
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packet[0x1c] = port & 0xff
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packet[0x1d] = port >> 8
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packet[0x26] = 6
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checksum = 0xbeaf
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for i in range(len(packet)):
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checksum += packet[i]
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checksum = checksum & 0xffff
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packet[0x20] = checksum & 0xff
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packet[0x21] = checksum >> 8
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cs.sendto(packet, ('255.255.255.255', 80))
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if timeout is None:
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response = cs.recvfrom(1024)
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responsepacket = bytearray(response[0])
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host = response[1]
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mac = responsepacket[0x3a:0x40]
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return device(host=host, mac=mac)
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else:
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while (time.time() - starttime) < timeout:
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cs.settimeout(timeout - (time.time() - starttime))
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try:
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response = cs.recvfrom(1024)
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except socket.timeout:
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return devices
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responsepacket = bytearray(response[0])
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host = response[1]
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mac = responsepacket[0x3a:0x40]
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devices.append(device(host=host, mac=mac))
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class device:
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def __init__(self, host, mac):
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self.host = host
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self.mac = mac
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self.count = random.randrange(0xffff)
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self.key = bytearray([0x09, 0x76, 0x28, 0x34, 0x3f, 0xe9, 0x9e, 0x23, 0x76, 0x5c, 0x15, 0x13, 0xac, 0xcf, 0x8b, 0x02])
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self.iv = bytearray([0x56, 0x2e, 0x17, 0x99, 0x6d, 0x09, 0x3d, 0x28, 0xdd, 0xb3, 0xba, 0x69, 0x5a, 0x2e, 0x6f, 0x58])
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self.id = bytearray([0, 0, 0, 0])
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self.cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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self.cs.bind(('',0))
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def auth(self):
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payload = bytearray(0x50)
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payload[0x04] = 0x31
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payload[0x05] = 0x31
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payload[0x06] = 0x31
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payload[0x07] = 0x31
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payload[0x08] = 0x31
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payload[0x09] = 0x31
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payload[0x0a] = 0x31
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payload[0x0b] = 0x31
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payload[0x0c] = 0x31
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payload[0x0d] = 0x31
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payload[0x0e] = 0x31
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payload[0x0f] = 0x31
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payload[0x10] = 0x31
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payload[0x11] = 0x31
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payload[0x12] = 0x31
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payload[0x1e] = 0x01
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payload[0x2d] = 0x01
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payload[0x30] = 'T'
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payload[0x31] = 'e'
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payload[0x32] = 's'
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payload[0x33] = 't'
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payload[0x34] = ' '
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payload[0x35] = ' '
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payload[0x36] = '1'
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response = self.send_packet(0x65, payload)
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enc_payload = response[0x38:]
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aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
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payload = aes.decrypt(str(enc_payload))
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self.id = payload[0x00:0x04]
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self.key = payload[0x04:0x14]
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def send_packet(self, command, payload):
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packet = bytearray(0x38)
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packet[0x00] = 0x5a
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packet[0x01] = 0xa5
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packet[0x02] = 0xaa
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packet[0x03] = 0x55
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packet[0x04] = 0x5a
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packet[0x05] = 0xa5
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packet[0x06] = 0xaa
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packet[0x07] = 0x55
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packet[0x24] = 0x2a
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packet[0x25] = 0x27
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packet[0x26] = command
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packet[0x28] = self.count & 0xff
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packet[0x29] = self.count >> 8
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packet[0x2a] = self.mac[0]
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packet[0x2b] = self.mac[1]
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packet[0x2c] = self.mac[2]
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packet[0x2d] = self.mac[3]
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packet[0x2e] = self.mac[4]
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packet[0x2f] = self.mac[5]
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packet[0x30] = self.id[0]
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packet[0x31] = self.id[1]
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packet[0x32] = self.id[2]
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packet[0x33] = self.id[3]
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checksum = 0xbeaf
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for i in range(len(payload)):
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checksum += payload[i]
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checksum = checksum & 0xffff
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aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
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payload = aes.encrypt(str(payload))
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packet[0x34] = checksum & 0xff
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packet[0x35] = checksum >> 8
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for i in range(len(payload)):
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packet.append(payload[i])
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checksum = 0xbeaf
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for i in range(len(packet)):
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checksum += packet[i]
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checksum = checksum & 0xffff
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packet[0x20] = checksum & 0xff
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packet[0x21] = checksum >> 8
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self.cs.sendto(packet, self.host)
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response = self.cs.recvfrom(1024)
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return response[0]
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def send_data(self, data):
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packet = bytearray([0x02, 0x00, 0x00, 0x00])
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packet += data
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self.send_packet(0x6a, packet)
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def enter_learning(self):
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packet = bytearray(16)
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packet[0] = 3
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self.send_packet(0x6a, packet)
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def check_sensors(self):
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packet = bytearray(16)
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packet[0] = 1
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response = self.send_packet(0x6a, packet)
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err = ord(response[0x22]) | (ord(response[0x23]) << 8)
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if err == 0:
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data = {}
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aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
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payload = aes.decrypt(str(response[0x38:]))
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data['temperature'] = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0
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data['humidity'] = (ord(payload[0x6]) * 10 + ord(payload[0x7])) / 10.0
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light = ord(payload[0x8])
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if light == 0:
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data['light'] = 'dark'
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elif light == 1:
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data['light'] = 'dim'
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elif light == 2:
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data['light'] = 'normal'
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elif light == 3:
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data['light'] = 'bright'
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else:
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data['light'] = 'unknown'
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air_quality = ord(payload[0x0a])
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if air_quality == 0:
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data['air_quality'] = 'excellent'
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elif air_quality == 1:
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data['air_quality'] = 'good'
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elif air_quality == 2:
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data['air_quality'] = 'normal'
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elif air_quality == 3:
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data['air_quality'] = 'bad'
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else:
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data['air_quality'] = 'unknown'
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noise = ord(payload[0xc])
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if noise == 0:
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data['noise'] = 'quiet'
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elif noise == 1:
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data['noise'] = 'normal'
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elif noise == 2:
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data['noise'] = 'noisy'
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else:
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data['noise'] = 'unknown'
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return data
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def check_temperature(self):
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packet = bytearray(16)
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packet[0] = 1
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response = self.send_packet(0x6a, packet)
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err = ord(response[0x22]) | (ord(response[0x23]) << 8)
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if err == 0:
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aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
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payload = aes.decrypt(str(response[0x38:]))
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temp = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0
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return temp
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def check_data(self):
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packet = bytearray(16)
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packet[0] = 4
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response = self.send_packet(0x6a, packet)
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err = ord(response[0x22]) | (ord(response[0x23]) << 8)
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if err == 0:
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aes = AES.new(str(self.key), AES.MODE_CBC, str(self.iv))
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payload = aes.decrypt(str(response[0x38:]))
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return payload[0x04:]
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class rm2(device):
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def __init__ (self):
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device.__init__(self, None, None)
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def discover(self):
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dev = discover()
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self.host = dev.host
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self.mac = dev.mac
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