modwebsocket_test: try ssl

draft_code/modwebsocket_test.py

@@ -1,37 +1,68 @@
-#import network
 import socket
+import ssl
 import ubinascii
 from websocket import websocket
 
+# Connect to Wi-Fi
+if False:
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+    wlan.connect('your_ssid', 'your_password')
+    while not wlan.isconnected():
+        pass
+    print('Connected:', wlan.ifconfig())
+    
+# Resolve hostname
+host = 'echo.websocket.events'  # Replace with your WSS server
+port = 443
+try:
+    addr_info = socket.getaddrinfo(host, port)[0][-1]
+    print('Resolved address:', addr_info)
+except Exception as e:
+    print('DNS resolution failed:', e)
+    raise
 
 # Create and connect socket
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-#sock.connect(('echo.websocket.org', 80))
-sock.connect(socket.getaddrinfo('echo.websocket.org', 80)[0][-1])
-#getaddrinfo('localhost', 5000)[0][-1]
+try:
+    sock.connect(addr_info)
+    print('Socket connected')
+except Exception as e:
+    print('Connect failed:', e)
+    sock.close()
+    raise
+
+# Wrap socket with SSL
+try:
+    ssl_sock = ssl.wrap_socket(sock, server_hostname=host)
+    print('SSL connection established')
+except Exception as e:
+    print('SSL wrap failed:', e)
+    sock.close()
+    raise
 
 # Perform WebSocket handshake
 key = ubinascii.b2a_base64(b'random_bytes_here').strip()
 handshake = (
     'GET / HTTP/1.1\r\n'
-    'Host: echo.websocket.org\r\n'
+    'Host: {}\r\n'
     'Upgrade: websocket\r\n'
     'Connection: Upgrade\r\n'
     'Sec-WebSocket-Key: {}\r\n'
     'Sec-WebSocket-Version: 13\r\n'
     '\r\n'
-).format(key.decode())
-sock.send(handshake.encode())
-response = sock.recv(1024).decode()
-print(f"reponse: {response}")
+).format(host, key.decode())
+ssl_sock.write(handshake.encode())
+response = ssl_sock.read(1024).decode()
 if '101 Switching Protocols' not in response:
-    raise Exception('Handshake failed')
+    ssl_sock.close()
+    raise Exception('Handshake failed: ' + response)
 
 # Create WebSocket object
-ws = websocket(sock, True)
+ws = websocket(ssl_sock, True)
 
 # Send and receive data
-ws.write('Hello, WebSocket!')
+ws.write('Hello, Secure WebSocket!')
 data = ws.read(1024)
 print('Received:', data)