A proof of concept for implementing a Blink Home Sync Module simulator. This piece connects to the Blink CS endpoint.

Blink TCP Socket.py

"""
This script demonstrates how to connect to the Blink servers using a TCP socket.

More information coming soon. 
"""
import socket
import ssl
import json

# Define the server and port
server = 'cs-prod.immedia-semi.com'
port = 443
cert_file = 'ca_root.pem'

# Create a TCP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Wrap the socket with SSL
context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLS_CLIENT)
context.load_verify_locations(cafile=cert_file)
context.verify_mode = ssl.CERT_REQUIRED
ssl_sock = context.wrap_socket(sock, server_hostname=server)

try:
  ssl_sock.connect((server, port))
  
  data = "ack" # TODO: Figure out what to send here
  ssl_sock.sendall(json.dumps(data).encode('utf-8'))
  
  # Wait for the response
  response = b""
  while True:
      data = ssl_sock.recv(4096)
      if data:
        response += data
        break
        
  print(f"Response: {response.decode('utf-8')}")
finally:
  ssl_sock.close()

ca_root.pem

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----