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Fixed SSL support in websocket implementation

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This commit is contained in:
Fabio Manganiello 2018-11-01 17:28:54 +00:00
parent 484d282a26
commit 6bc976cf89
2 changed files with 21 additions and 12 deletions
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21
platypush/backend/websocket.py
View file

@ -23,7 +23,7 @@ class WebsocketBackend(Backend):
_websocket_client_timeout = 60
def __init__(self, port=8765, bind_address='0.0.0.0', ssl_cert=None,
client_timeout=_websocket_client_timeout, **kwargs):
ssl_key=None, client_timeout=_websocket_client_timeout, **kwargs):
"""
:param port: Listen port for the websocket server (default: 8765)
:type port: int
@ -31,9 +31,12 @@ class WebsocketBackend(Backend):
:param bind_address: Bind address for the websocket server (default: 0.0.0.0, listen for any IP connection)
:type websocket_port: str
:param ssl_cert: Path to the PEM certificate file if you want to enable SSL (default: None)
:param ssl_cert: Path to the certificate file if you want to enable SSL (default: None)
:type ssl_cert: str
:param ssl_key: Path to the key file if you want to enable SSL (default: None)
:type ssl_key: str
:param client_timeout: Timeout without any messages being received before closing a client connection. A zero timeout keeps the websocket open until an error occurs (default: 60 seconds)
:type ping_timeout: int
"""
@ -47,9 +50,10 @@ class WebsocketBackend(Backend):
if ssl_cert:
self.ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
self.ssl_context.load_cert_chain(os.path.abspath(
os.path.expanduser(ssl_cert)))
self.ssl_context.load_cert_chain(
certfile=os.path.abspath(os.path.expanduser(ssl_cert)),
keyfile=os.path.abspath(os.path.expanduser(ssl_key)) if ssl_key else None
)
def send_message(self, msg):
websocket = get_plugin('websocket')
@ -57,9 +61,7 @@ class WebsocketBackend(Backend):
if self.ssl_context:
url = 'wss://localhost:{}'.format(self.port)
websocket_args['ssl'] = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
websocket_args['ssl'].load_cert_chain(os.path.abspath(
os.path.expanduser(ssl_cert)))
websocket_args['ssl'] = self.ssl_context
else:
url = 'ws://localhost:{}'.format(self.port)
@ -89,7 +91,8 @@ class WebsocketBackend(Backend):
if isinstance(msg, Request):
response = self.get_message_response(msg)
assert response is not None
if not response:
return
self.logger.info('Processing response on the websocket backend: {}'.
format(response))

12
platypush/plugins/websocket.py
View file

@ -21,7 +21,7 @@ class WebsocketPlugin(Plugin):
super().__init__(*args, **kwargs)
@action
def send(self, url, msg, ssl_cert=None, *args, **kwargs):
def send(self, url, msg, ssl_cert=None, ssl_key=None, *args, **kwargs):
"""
Sends a message to a websocket.
@ -32,14 +32,20 @@ class WebsocketPlugin(Plugin):
:param ssl_cert: Path to the SSL certificate to be used, if the SSL connection requires client authentication as well (default: None)
:type ssl_cert: str
:param ssl_key: Path to the SSL key to be used, if the SSL connection requires client authentication as well (default: None)
:type ssl_key: str
"""
async def send():
websocket_args = {}
if ssl_cert:
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
ssl_context.load_cert_chain(os.path.abspath(
os.path.expanduser(ssl_cert)))
ssl_context.load_cert_chain(
certfile=os.path.abspath(os.path.expanduser(ssl_cert)),
keyfile=os.path.abspath(os.path.expanduser(ssl_key)) if ssl_key else None
)
async with websockets.connect(url, **websocket_args) as websocket:
try: