Trying to get Crossbar Autobahn|Python to work with wss

[sscirrus]

Hi all,

I have been trying to get a WSS connection going for a couple of days now and it hasn't worked. Here's what I've got:

Original working setup:

- An internet browser (frontend) and an Arduino device (backend).

- Code based on the serial2ws example where IoT is running serial2ws.py and the browser is running Autobahn.

- A working system under ws://

New changes:

Certs: I've added server.crt and server.key into a /keys folder on the device.

Browser autobahn: I've got (simplified):

    wsuri = (document.location.protocol === "http:" ? "ws:" : "wss:") + "//" + ip + ":" + port + "/ws";


    connection = new autobahn.Connection({
        url: wsuri,
        realm: 'realm1'});

Device serial2ws.py: mostly as in the example, except for:

    # at the top
      from twisted.internet import ssl

    # in if __name__ == '__main__':
      contextFactory = ssl.DefaultOpenSSLContextFactory('/root/keys/server.key', '/root/keys/server.crt')

      parser.add_argument("--router", type=six.text_type, default=u'wss://localhost:8080/ws', help='WAMP router URL')

      runner = ApplicationRunner(router, args.realm, extra={'port': args.port, 'baudrate': args.baudrate, 'debug': args.debug}, standalone=not args.router, ssl=contextFactory)

Current Status

The python server exits with:

2016-07-01 20:13:15-0400 [-] Starting factory <twisted.web.server.Site instance at 0x76dcd1c0>
2016-07-01 20:13:15-0400 [-] SSLContextFactory: <twisted.internet.ssl.DefaultOpenSSLContextFactory instance at 0x76dcd4b8>
2016-07-01 20:13:15-0400 [-] Traceback (most recent call last):
2016-07-01 20:13:15-0400 [-]   File "/root/serial2ws.py", line 457, in <module>
2016-07-01 20:13:15-0400 [-]     standalone=not args.router, ssl=contextFactory)  # Causes error if removed
2016-07-01 20:13:15-0400 [-] TypeError: __init__() got an unexpected keyword argument 'ssl'

I've been trying LOTS of combinations of things and I'm not getting any luck yet. Any help would be greatly appreciated. Thank you!

[David Ford]

i don't use twisted, i use asyncio, and if you're willing to change things, take a look at one of my most recent projects. it's all wss with proper certs. take a look at https://github.com/Blue-Labs/ButterflyDNS

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