96 lines
3.8 KiB
Python
96 lines
3.8 KiB
Python
# NO unicode_literals or static.Data() will break, because it demands
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# a str on Python 2
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from __future__ import print_function
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from twisted.python import log
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from twisted.internet import reactor, endpoints
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from twisted.application import service
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from twisted.web import server, static, resource
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from autobahn.twisted.resource import WebSocketResource
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from .endpoint_service import ServerEndpointService
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from .. import __version__
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from .database import get_db
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from .rendezvous import Rendezvous
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from .rendezvous_websocket import WebSocketRendezvousFactory
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from .transit_server import Transit
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class Root(resource.Resource):
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# child_FOO is a nevow thing, not a twisted.web.resource thing
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def __init__(self):
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resource.Resource.__init__(self)
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self.putChild(b"", static.Data(b"Wormhole Relay\n", "text/plain"))
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class PrivacyEnhancedSite(server.Site):
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logRequests = True
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def log(self, request):
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if self.logRequests:
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return server.Site.log(self, request)
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class RelayServer(service.MultiService):
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def __init__(self, rendezvous_web_port, transit_port,
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advertise_version, db_url=":memory:", blur_usage=None,
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signal_error=None):
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service.MultiService.__init__(self)
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self._blur_usage = blur_usage
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db = get_db(db_url)
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welcome = {
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# The primary (python CLI) implementation will emit a message if
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# its version does not match this key. If/when we have
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# distributions which include older version, but we still expect
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# them to be compatible, stop sending this key.
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"current_cli_version": __version__,
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# adding .motd will cause all clients to display the message,
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# then keep running normally
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#"motd": "Welcome to the public relay.\nPlease enjoy this service.",
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# adding .error will cause all clients to fail, with this message
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#"error": "This server has been disabled, see URL for details.",
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}
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if advertise_version:
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welcome["current_cli_version"] = advertise_version
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if signal_error:
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welcome["error"] = signal_error
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rendezvous = Rendezvous(db, welcome, blur_usage)
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rendezvous.setServiceParent(self) # for the pruning timer
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root = Root()
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wsrf = WebSocketRendezvousFactory(None, rendezvous)
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root.putChild(b"v1", WebSocketResource(wsrf))
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site = PrivacyEnhancedSite(root)
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if blur_usage:
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site.logRequests = False
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r = endpoints.serverFromString(reactor, rendezvous_web_port)
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rendezvous_web_service = ServerEndpointService(r, site)
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rendezvous_web_service.setServiceParent(self)
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if transit_port:
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transit = Transit(db, blur_usage)
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transit.setServiceParent(self) # for the timer
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t = endpoints.serverFromString(reactor, transit_port)
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transit_service = ServerEndpointService(t, transit)
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transit_service.setServiceParent(self)
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# make some things accessible for tests
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self._db = db
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self._rendezvous = rendezvous
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self._root = root
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self._rendezvous_web_service = rendezvous_web_service
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self._rendezvous_websocket = wsrf
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if transit_port:
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self._transit = transit
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self._transit_service = transit_service
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def startService(self):
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service.MultiService.startService(self)
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log.msg("websocket listening on /wormhole-relay/ws")
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log.msg("Wormhole relay server (Rendezvous and Transit) running")
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if self._blur_usage:
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log.msg("blurring access times to %d seconds" % self._blur_usage)
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log.msg("not logging HTTP requests")
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else:
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log.msg("not blurring access times")
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