Merge branch 'master' into matrix-integration

This commit is contained in:
Fabio Manganiello 2022-08-12 14:39:13 +02:00
commit dc7ba881f1
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
5 changed files with 223 additions and 87 deletions

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@ -10,13 +10,13 @@
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@ -2768,9 +2768,9 @@
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@ -4205,9 +4205,9 @@
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@ -9402,9 +9402,9 @@
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@ -9418,9 +9418,9 @@
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@ -9437,7 +9437,7 @@
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"peerDependencies": {
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"node-sass": "^4.0.0 || ^5.0.0 || ^6.0.0",
"node-sass": "^4.0.0 || ^5.0.0 || ^6.0.0 || ^7.0.0",
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"webpack": "^4.36.0 || ^5.0.0"
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@ -10825,11 +10825,11 @@
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"url": "https://github.com/sponsors/posva"
@ -13770,9 +13770,9 @@
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@ -14868,9 +14868,9 @@
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@ -18676,9 +18676,9 @@
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@ -18686,9 +18686,9 @@
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@ -19746,11 +19746,11 @@
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"vue-skycons": {

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@ -10,13 +10,13 @@
"dependencies": {
"@fortawesome/fontawesome-free": "^5.15.4",
"axios": "^0.21.4",
"core-js": "^3.21.1",
"core-js": "^3.23.4",
"lato-font": "^3.0.0",
"mitt": "^2.1.0",
"sass": "^1.49.9",
"sass-loader": "^10.2.1",
"sass": "^1.53.0",
"sass-loader": "^10.3.1",
"vue": "^3.2.13",
"vue-router": "^4.0.14",
"vue-router": "^4.1.2",
"vue-skycons": "^4.2.0",
"w3css": "^2.7.0"
},

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@ -0,0 +1,16 @@
from typing import Any
from platypush.message.event import Event
class WebsocketMessageEvent(Event):
"""
Event triggered when a message is receive on a subscribed websocket URL.
"""
def __init__(self, *args, url: str, message: Any, **kwargs):
"""
:param url: Websocket URL.
:param message: The received message.
"""
super().__init__(*args, url=url, message=message, **kwargs)

View file

@ -1,13 +1,12 @@
import asyncio
import json
import time
try:
from websockets.exceptions import ConnectionClosed
from websockets import connect as websocket_connect
except ImportError:
from websockets import ConnectionClosed, connect as websocket_connect
from websockets import connect as websocket_connect
from websockets.exceptions import ConnectionClosed
from platypush.context import get_or_create_event_loop
from platypush.message import Message
from platypush.context import get_or_create_event_loop, get_bus
from platypush.message.event.websocket import WebsocketMessageEvent
from platypush.plugins import Plugin, action
from platypush.utils import get_ssl_client_context
@ -15,61 +14,180 @@ from platypush.utils import get_ssl_client_context
class WebsocketPlugin(Plugin):
"""
Plugin to send messages over a websocket connection.
Triggers:
* :class:`platypush.message.event.websocket.WebsocketMessageEvent` when
a message is received on a subscribed websocket.
"""
def __init__(self, **kwargs):
super().__init__(**kwargs)
@action
def send(self, url, msg, ssl_cert=None, ssl_key=None, ssl_cafile=None, ssl_capath=None):
def send(
self,
url: str,
msg,
ssl_cert=None,
ssl_key=None,
ssl_cafile=None,
ssl_capath=None,
wait_response=False,
):
"""
Sends a message to a websocket.
:param url: Websocket URL, e.g. ws://localhost:8765 or wss://localhost:8765
:type url: str
:param msg: Message to be sent. It can be a list, a dict, or a Message object
: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
:param ssl_cafile: Path to the certificate authority file if required by the SSL configuration (default: None)
:type ssl_cafile: str
:param ssl_capath: Path to the certificate authority directory if required by the SSL configuration
(default: None)
:type ssl_capath: str
:param ssl_cert: Path to the SSL certificate to be used, if the SSL
connection requires client authentication as well (default: None)
:param ssl_key: Path to the SSL key to be used, if the SSL connection
requires client authentication as well (default: None)
:param ssl_cafile: Path to the certificate authority file if required
by the SSL configuration (default: None)
:param ssl_capath: Path to the certificate authority directory if
required by the SSL configuration (default: None)
:param wait_response: Set to True if you expect a response to the
delivered message.
:return: The received response if ``wait_response`` is set to True,
otherwise nothing.
"""
async def send():
websocket_args = {}
if ssl_cert:
websocket_args['ssl'] = get_ssl_client_context(ssl_cert=ssl_cert,
websocket_args = {
'ssl': self._get_ssl_context(
url,
ssl_cert=ssl_cert,
ssl_key=ssl_key,
ssl_cafile=ssl_cafile,
ssl_capath=ssl_capath)
ssl_capath=ssl_capath,
)
}
async with websocket_connect(url, **websocket_args) as websocket:
async with websocket_connect(url, **websocket_args) as ws:
try:
await websocket.send(str(msg))
await ws.send(str(msg))
except ConnectionClosed as err:
self.logger.warning('Error on websocket {}: {}'.
format(url, err))
self.logger.warning('Error on websocket %s: %s', url, err)
try:
msg = json.dumps(msg)
except Exception as e:
self.logger.debug(e)
if wait_response:
messages = await self._ws_recv(ws, num_messages=1)
if messages:
return self._parse_msg(messages[0])
try:
msg = Message.build(json.loads(msg))
except Exception as e:
self.logger.debug(e)
msg = self._parse_msg(msg)
loop = get_or_create_event_loop()
return loop.run_until_complete(send())
@action
def recv(
self,
url: str,
ssl_cert=None,
ssl_key=None,
ssl_cafile=None,
ssl_capath=None,
num_messages=0,
timeout=0,
):
"""
Receive one or more messages from a websocket.
A :class:`platypush.message.event.websocket.WebsocketMessageEvent`
event will be triggered whenever a new message is received.
:param url: Websocket URL, e.g. ws://localhost:8765 or wss://localhost:8765
:param ssl_cert: Path to the SSL certificate to be used, if the SSL
connection requires client authentication as well (default: None)
:param ssl_key: Path to the SSL key to be used, if the SSL connection
requires client authentication as well (default: None)
:param ssl_cafile: Path to the certificate authority file if required
by the SSL configuration (default: None)
:param ssl_capath: Path to the certificate authority directory if
required by the SSL configuration (default: None)
:param num_messages: Exit after receiving this number of messages.
Default: 0, receive forever.
:param timeout: Message receive timeout in seconds. Default: 0 - no timeout.
:return: A list with the messages that have been received, unless
``num_messages`` is set to 0 or ``None``.
"""
async def recv():
websocket_args = {
'ssl': self._get_ssl_context(
url,
ssl_cert=ssl_cert,
ssl_key=ssl_key,
ssl_cafile=ssl_cafile,
ssl_capath=ssl_capath,
)
}
async with websocket_connect(url, **websocket_args) as ws:
return await self._ws_recv(
ws, timeout=timeout, num_messages=num_messages
)
loop = get_or_create_event_loop()
loop.run_until_complete(send())
return loop.run_until_complete(recv())
async def _ws_recv(self, ws, timeout=0, num_messages=0):
messages = []
time_start = time.time()
time_end = time_start + timeout if timeout else 0
url = 'ws{secure}://{host}:{port}{path}'.format(
secure='s' if ws.secure else '',
host=ws.host,
port=ws.port,
path=ws.path,
)
while (not num_messages) or (len(messages) < num_messages):
msg = None
err = None
remaining_timeout = time_end - time.time() if time_end else None
try:
msg = await asyncio.wait_for(ws.recv(), remaining_timeout)
except (ConnectionClosed, asyncio.exceptions.TimeoutError) as e:
err = e
self.logger.warning('Error on websocket %s: %s', url, e)
if isinstance(err, ConnectionClosed) or (
time_end and time.time() > time_end
):
break
if msg is None:
continue
msg = self._parse_msg(msg)
messages.append(msg)
get_bus().post(WebsocketMessageEvent(url=url, message=msg))
return messages
@staticmethod
def _parse_msg(msg):
try:
msg = json.dumps(msg)
except Exception:
pass
return msg
@staticmethod
def _get_ssl_context(
url: str, ssl_cert=None, ssl_key=None, ssl_cafile=None, ssl_capath=None
):
if url.startswith('wss://'):
return get_ssl_client_context(
ssl_cert=ssl_cert,
ssl_key=ssl_key,
ssl_cafile=ssl_cafile,
ssl_capath=ssl_capath,
)
return None
# vim:sw=4:ts=4:et:

View file

@ -1,5 +1,7 @@
manifest:
events: {}
events:
platypush.message.event.websocket.WebsocketMessageEvent: when a message is
received on a subscribed websocket.
install:
pip: []
package: platypush.plugins.websocket