add reference ssl echo server using websockets and nginx reverse proxy to terminate ssl

test/compatibility/python/websockets/Procfile

@@ -0,0 +1,3 @@
+nginx: nginx -p . -c nginx.conf
+websocket_server: python echo_server.py
+send: sleep 1 ; ws send -x --verify_none wss://localhost:8765 /usr/local/bin/ws

test/compatibility/python/websockets/echo_server.py

@@ -5,18 +5,15 @@
 import asyncio
 import websockets
 
-async def hello(websocket, path):
-    await websocket.send(f"> Welcome !")
 
-    name = await websocket.recv()
+async def echo(websocket, path):
-    print(f"< {name}")
+    msg = await websocket.recv()
+    print(f'Received {len(msg)} bytes')
+    await websocket.send(msg)
 
-    greeting = f"Hello {name}!"
 
-    await websocket.send(greeting)
+print('Serving on localhost:8766')
-    print(f"> {greeting}")
+start_server = websockets.serve(echo, 'localhost', 8766, max_size=2 ** 25)
-
-start_server = websockets.serve(hello, 'localhost', 8765)
 
 asyncio.get_event_loop().run_until_complete(start_server)
 asyncio.get_event_loop().run_forever()

test/compatibility/python/websockets/echo_server_interactive.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+# WS server example
+
+import asyncio
+import websockets
+
+async def hello(websocket, path):
+    await websocket.send(f"> Welcome !")
+
+    name = await websocket.recv()
+    print(f"< {name}")
+
+    greeting = f"Hello {name}!"
+
+    await websocket.send(greeting)
+    print(f"> {greeting}")
+
+async def echo(websocket, path):
+    msg = await websocket.recv()
+    print(f'Received {len(msg)} bytes')
+    await websocket.send(msg)
+
+print('Serving on localhost:8766')
+start_server = websockets.serve(echo, 'localhost', 8766)
+
+asyncio.get_event_loop().run_until_complete(start_server)
+asyncio.get_event_loop().run_forever()

test/compatibility/python/websockets/makefile

@@ -1,3 +1,6 @@
+all:
+	honcho start # install honcho (pip install honcho) or procman (the original ruby script)
+
 .PHONY: docker
 
 NAME   := bsergean/ws_proxy

test/compatibility/python/websockets/nginx.conf

@@ -0,0 +1,36 @@
+
+error_log stderr warn;
+
+daemon off;
+
+events {
+    worker_connections 32;
+}
+
+http {
+
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        '' close;
+    }
+
+    upstream websocket {
+        server localhost:8766;
+    }
+
+    server {
+        listen 8765 ssl;
+
+        ssl_certificate     trusted-client-crt.pem;
+        ssl_certificate_key trusted-client-key.pem;
+        ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
+        ssl_ciphers         HIGH:!aNULL:!MD5;
+
+        location / {
+            proxy_pass http://websocket;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+        }
+    }
+}

test/compatibility/python/websockets/trusted-client-crt.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+sGFMVkNDKkCE24BVkUfNyKUxLQWMknw3B4bmhrC8ZQPRk069ERV0ZR6eB2/9EG9s
+Pzy4JbMwWrP5c0UIMJRk3w8ev9FXrsKwG6VhIPnvAdbJEis+7eDmYgpvmsbsYRmG
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+QoGVTNwki4TQTwQIyJ+HOj0c49IDJ93GbW5aymOT/e1IXDe07e9yg1r80bdFn23X
+9bmRagT1/qu8lXfOpQA0foYeSJRSN7gITPmo7G2ogGVr6dZwhAHDYYy2pwW32j7o
+-----END CERTIFICATE-----

test/compatibility/python/websockets/trusted-client-key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+ZmGCwggUHhwnKD02hIGdffc+0eLTeCQL8HKi+S0CgYEA59+MpAXRHDbByCviPvqy
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+iQJgiILMI8kskzsyMTSBKtTEWtMhoXlxsQZoFHUqOkutZCqVvPexdwyTGil9LcuJ
+yUivWHqAku+ccJItdbup0HkCgYEAswkZzdvucoCFU+AX19o+R4wfzpU7FM9bzhCA
+gTgehqojzlqzfwTPlqkmHlBk0Oue9BzS7x5172HCQpqkBsGYAY8rnK0W1JOhEe8d
+EZk0FOTpNTy+bC83egWiuA5Sm22+dALGswZDLyUsNeTyeqmOapxKPcWJxfb0ZbO7
+DsrRPAUCgYAzJm79VvEeRtwKhm0AcDSikJgNKojm6T6BIi/9QJyMTYlvGpBEwPBt
+iqmqCqXGmUYafFApTUPyzmyDUsLfeHRwylvPn4UtYXPJ1UKGCVY3SWiJQi2CHSvC
+gGSIifjzyeSjhw1cqzS2jHfu4lu6p2GBv/fyXLRVS7x6xY7OBinmvg==
+-----END RSA PRIVATE KEY-----