mirror of https://github.com/morpheus65535/bazarr
128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
import asyncio
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import sys
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from urllib.parse import urlsplit
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from aiohttp.web import Response, WebSocketResponse
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def create_route(app, engineio_server, engineio_endpoint):
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"""This function sets up the engine.io endpoint as a route for the
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application.
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Note that both GET and POST requests must be hooked up on the engine.io
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endpoint.
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"""
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app.router.add_get(engineio_endpoint, engineio_server.handle_request)
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app.router.add_post(engineio_endpoint, engineio_server.handle_request)
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app.router.add_route('OPTIONS', engineio_endpoint,
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engineio_server.handle_request)
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def translate_request(request):
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"""This function takes the arguments passed to the request handler and
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uses them to generate a WSGI compatible environ dictionary.
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"""
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message = request._message
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payload = request._payload
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uri_parts = urlsplit(message.path)
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environ = {
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'wsgi.input': payload,
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'wsgi.errors': sys.stderr,
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'wsgi.version': (1, 0),
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'wsgi.async': True,
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'wsgi.multithread': False,
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'wsgi.multiprocess': False,
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'wsgi.run_once': False,
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'SERVER_SOFTWARE': 'aiohttp',
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'REQUEST_METHOD': message.method,
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'QUERY_STRING': uri_parts.query or '',
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'RAW_URI': message.path,
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'SERVER_PROTOCOL': 'HTTP/%s.%s' % message.version,
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'REMOTE_ADDR': '127.0.0.1',
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'REMOTE_PORT': '0',
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'SERVER_NAME': 'aiohttp',
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'SERVER_PORT': '0',
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'aiohttp.request': request
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}
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for hdr_name, hdr_value in message.headers.items():
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hdr_name = hdr_name.upper()
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if hdr_name == 'CONTENT-TYPE':
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environ['CONTENT_TYPE'] = hdr_value
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continue
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elif hdr_name == 'CONTENT-LENGTH':
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environ['CONTENT_LENGTH'] = hdr_value
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continue
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key = 'HTTP_%s' % hdr_name.replace('-', '_')
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if key in environ:
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hdr_value = '%s,%s' % (environ[key], hdr_value)
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environ[key] = hdr_value
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environ['wsgi.url_scheme'] = environ.get('HTTP_X_FORWARDED_PROTO', 'http')
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path_info = uri_parts.path
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environ['PATH_INFO'] = path_info
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environ['SCRIPT_NAME'] = ''
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return environ
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def make_response(status, headers, payload, environ):
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"""This function generates an appropriate response object for this async
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mode.
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"""
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return Response(body=payload, status=int(status.split()[0]),
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headers=headers)
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class WebSocket(object): # pragma: no cover
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"""
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This wrapper class provides a aiohttp WebSocket interface that is
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somewhat compatible with eventlet's implementation.
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"""
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def __init__(self, handler):
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self.handler = handler
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self._sock = None
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async def __call__(self, environ):
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request = environ['aiohttp.request']
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self._sock = WebSocketResponse()
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await self._sock.prepare(request)
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self.environ = environ
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await self.handler(self)
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return self._sock
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async def close(self):
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await self._sock.close()
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async def send(self, message):
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if isinstance(message, bytes):
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f = self._sock.send_bytes
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else:
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f = self._sock.send_str
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if asyncio.iscoroutinefunction(f):
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await f(message)
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else:
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f(message)
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async def wait(self):
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msg = await self._sock.receive()
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if not isinstance(msg.data, bytes) and \
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not isinstance(msg.data, str):
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raise IOError()
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return msg.data
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_async = {
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'asyncio': True,
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'create_route': create_route,
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'translate_request': translate_request,
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'make_response': make_response,
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'websocket': WebSocket,
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}
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