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Fix handling of User-Agent headers with bad utf-8. (#8632)

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Erik Johnston 2020-10-23 17:12:59 +01:00 • committed by GitHub
parent db9ef792f0
commit c850dd9a8e
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8 changed files with 33 additions and 28 deletions
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4
synapse/handlers/cas_handler.py
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@ -212,9 +212,7 @@ class CasHandler:
else:
if not registered_user_id:
# Pull out the user-agent and IP from the request.
user_agent = request.requestHeaders.getRawHeaders(
b"User-Agent", default=[b""]
)[0].decode("ascii", "surrogateescape")
user_agent = request.get_user_agent("")
ip_address = self.hs.get_ip_from_request(request)
registered_user_id = await self._registration_handler.register_user(