99 lines
3.4 KiB
Python
99 lines
3.4 KiB
Python
import os
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import posixpath
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from urllib.parse import unquote
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from django.conf import settings
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from django.core.handlers.wsgi import WSGIHandler as Django_WSGIHandler
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from django.utils.translation import ugettext as _
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from sockjs.tornado import SockJSRouter, SockJSConnection
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import IOLoop
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from tornado.options import parse_command_line
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from tornado.web import (
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Application,
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FallbackHandler,
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StaticFileHandler,
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HTTPError
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)
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from tornado.wsgi import WSGIContainer
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class DjangoStaticFileHandler(StaticFileHandler):
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"""Handels static data by using the django finders."""
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def initialize(self):
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"""Overwrite some attributes."""
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# NOTE: root is never actually used and default_filename is not
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# supported (must always be None)
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self.root = ''
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self.default_filename = None
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@classmethod
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def get_absolute_path(cls, root, path):
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from django.contrib.staticfiles import finders
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normalized_path = posixpath.normpath(unquote(path)).lstrip('/')
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absolute_path = finders.find(normalized_path)
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return absolute_path
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def validate_absolute_path(self, root, absolute_path):
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# differences from base implementation:
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# - we ignore self.root since our files do not necessarily have
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# a shared root prefix
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# - we do not handle self.default_filename (we do not use it and it
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# does not make much sense here anyway)
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if absolute_path is None or not os.path.exists(absolute_path):
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raise HTTPError(404)
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if not os.path.isfile(absolute_path):
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raise HTTPError(403, 'The requested resource is not a file.')
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return absolute_path
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class ProjectorSocketHandler(SockJSConnection):
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"""
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Handels the websocket for the projector.
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"""
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waiters = set()
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def on_open(self, info):
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ProjectorSocketHandler.waiters.add(self)
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def on_close(self):
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ProjectorSocketHandler.waiters.remove(self)
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@classmethod
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def send_updates(cls, data):
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for waiter in cls.waiters:
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waiter.send(data)
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def run_tornado(addr, port):
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# Don't try to read the command line args from openslides
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parse_command_line(args=[])
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# Print listening address and port to command line
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if addr == '0.0.0.0':
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url_string = _("the machine's local ip address")
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else:
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url_string = 'http://%s:%s' % (addr, port)
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# TODO: don't use print, use django logging
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print(_("Starting OpenSlides' tornado webserver listening to %(url_string)s") % {'url_string': url_string})
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# Setup WSGIContainer
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app = WSGIContainer(Django_WSGIHandler())
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# Collect urls
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projectpr_socket_js_router = SockJSRouter(ProjectorSocketHandler, '/projector/socket')
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from openslides.core.chatbox import ChatboxSocketHandler
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chatbox_socket_js_router = SockJSRouter(ChatboxSocketHandler, '/core/chatbox')
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other_urls = [
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(r"%s(.*)" % settings.STATIC_URL, DjangoStaticFileHandler),
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(r'%s(.*)' % settings.MEDIA_URL, StaticFileHandler, {'path': settings.MEDIA_ROOT}),
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('.*', FallbackHandler, dict(fallback=app))]
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# Start the application
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debug = settings.DEBUG
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tornado_app = Application(projectpr_socket_js_router.urls + chatbox_socket_js_router.urls + other_urls, debug=debug)
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server = HTTPServer(tornado_app)
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server.listen(port=port, address=addr)
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IOLoop.instance().start()
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