How do i run a flask_socketio application with ssl enabled?

Question

Hello im trying to run a flask_socketio application with ssl.

The Code:

if __name__ == '__main__':
    socketio.run(app, host="0.0.0.0", port="80", debug=True, ssl_context=context)

The Error:


 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 102-422-495
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.8/dist-packages/flask_socketio/__init__.py", line 580, in run_server
    eventlet.wsgi.server(eventlet_socket, app,
TypeError: server() got an unexpected keyword argument 'ssl_context'

I already tried possible Solutions that were suggested under this question.

However, I cannot figure out how to pass cert into this call.
What do I have to do to make this work?

Asked By: Spaffel

||

Source

Answer 1

This is a question that applies to the web server that you are using, not to Flask-SocketIO.

Based on your error, you are using the Eventlet web server, which takes certfile and keyfile arguments (documentation).

Add these arguments to the socketio.run() function and Flask-SocketIO will send them to Eventlet.

Example:

if __name__ == '__main__':
    socketio.run(app, host="0.0.0.0", port="80", debug=True,
                 certfile='cert.pem', keyfile='key.pem',
                 server_side=True)

Answered By: Miguel Grinberg

How do i run a flask_socketio application with ssl enabled?

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