98 lines
2.7 KiB
Python
Executable file
98 lines
2.7 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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Matrix Webhook.
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Post a message to a matrix room with a simple HTTP POST
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v1: matrix-client & http.server
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v2: matrix-nio & aiohttp & markdown
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"""
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import asyncio
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import json
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import os
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from http import HTTPStatus
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from signal import SIGINT, SIGTERM
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from markdown import markdown
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from aiohttp import web
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from nio import AsyncClient
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SERVER_ADDRESS = ('', int(os.environ.get('PORT', 4785)))
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MATRIX_URL = os.environ.get('MATRIX_URL', 'https://matrix.org')
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MATRIX_ID = os.environ.get('MATRIX_ID', '@wwm:matrix.org')
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MATRIX_PW = os.environ['MATRIX_PW']
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API_KEY = os.environ['API_KEY']
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CLIENT = AsyncClient(MATRIX_URL, MATRIX_ID)
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async def handler(request):
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"""
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Coroutine given to the server, st. it knows what to do with an HTTP request.
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This one handles a POST, checks its content, and forwards it to the matrix room.
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"""
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data = await request.read()
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data = json.loads(data.decode())
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status, ret = HTTPStatus.BAD_REQUEST, 'I need a json dict with text & key'
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if all(key in data for key in ['text', 'key']):
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status, ret = HTTPStatus.UNAUTHORIZED, 'I need the good "key"'
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if data['key'] == API_KEY:
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status, ret = HTTPStatus.OK, 'OK'
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await CLIENT.room_send(room_id=str(request.rel_url)[1:],
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message_type="m.room.message",
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content={
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"msgtype": "m.text",
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"body": data['text'],
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"format": "org.matrix.custom.html",
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"formatted_body": markdown(data['text']),
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})
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return web.Response(text='{"status": %i, "ret": "%s"}' % (status, ret),
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content_type='application/json',
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status=status)
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async def main(event):
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"""
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Launch main coroutine.
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matrix client login & start web server
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"""
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await CLIENT.login(MATRIX_PW)
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server = web.Server(handler)
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runner = web.ServerRunner(server)
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await runner.setup()
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site = web.TCPSite(runner, *SERVER_ADDRESS)
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await site.start()
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# Run until we get a shutdown request
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await event.wait()
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# Cleanup
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await runner.cleanup()
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await CLIENT.close()
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def terminate(event, signal):
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"""Close handling stuff."""
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event.set()
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asyncio.get_event_loop().remove_signal_handler(signal)
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def run():
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"""Launch everything."""
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loop = asyncio.get_event_loop()
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event = asyncio.Event()
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for sig in (SIGINT, SIGTERM):
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loop.add_signal_handler(sig, terminate, event, sig)
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loop.run_until_complete(main(event))
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loop.close()
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if __name__ == '__main__':
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run()
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