diff options
Diffstat (limited to 'synapse/http/site.py')
| -rw-r--r-- | synapse/http/site.py | 112 |
1 files changed, 88 insertions, 24 deletions
diff --git a/synapse/http/site.py b/synapse/http/site.py index 47754aff43..c0c873ce32 100644 --- a/synapse/http/site.py +++ b/synapse/http/site.py @@ -14,7 +14,7 @@ import contextlib import logging import time -from typing import Optional, Type, Union +from typing import Optional, Tuple, Type, Union import attr from zope.interface import implementer @@ -26,7 +26,11 @@ from twisted.web.server import Request, Site from synapse.config.server import ListenerConfig from synapse.http import get_request_user_agent, redact_uri from synapse.http.request_metrics import RequestMetrics, requests_counter -from synapse.logging.context import LoggingContext, PreserveLoggingContext +from synapse.logging.context import ( + ContextRequest, + LoggingContext, + PreserveLoggingContext, +) from synapse.types import Requester logger = logging.getLogger(__name__) @@ -63,7 +67,7 @@ class SynapseRequest(Request): # The requester, if authenticated. For federation requests this is the # server name, for client requests this is the Requester object. - self.requester = None # type: Optional[Union[Requester, str]] + self._requester = None # type: Optional[Union[Requester, str]] # we can't yet create the logcontext, as we don't know the method. self.logcontext = None # type: Optional[LoggingContext] @@ -93,6 +97,31 @@ class SynapseRequest(Request): self.site.site_tag, ) + @property + def requester(self) -> Optional[Union[Requester, str]]: + return self._requester + + @requester.setter + def requester(self, value: Union[Requester, str]) -> None: + # Store the requester, and update some properties based on it. + + # This should only be called once. + assert self._requester is None + + self._requester = value + + # A logging context should exist by now (and have a ContextRequest). + assert self.logcontext is not None + assert self.logcontext.request is not None + + ( + requester, + authenticated_entity, + ) = self.get_authenticated_entity() + self.logcontext.request.requester = requester + # If there's no authenticated entity, it was the requester. + self.logcontext.request.authenticated_entity = authenticated_entity or requester + def get_request_id(self): return "%s-%i" % (self.get_method(), self.request_seq) @@ -126,13 +155,60 @@ class SynapseRequest(Request): return self.method.decode("ascii") return method + def get_authenticated_entity(self) -> Tuple[Optional[str], Optional[str]]: + """ + Get the "authenticated" entity of the request, which might be the user + performing the action, or a user being puppeted by a server admin. + + Returns: + A tuple: + The first item is a string representing the user making the request. + + The second item is a string or None representing the user who + authenticated when making this request. See + Requester.authenticated_entity. + """ + # Convert the requester into a string that we can log + if isinstance(self._requester, str): + return self._requester, None + elif isinstance(self._requester, Requester): + requester = self._requester.user.to_string() + authenticated_entity = self._requester.authenticated_entity + + # If this is a request where the target user doesn't match the user who + # authenticated (e.g. and admin is puppetting a user) then we return both. + if self._requester.user.to_string() != authenticated_entity: + return requester, authenticated_entity + + return requester, None + elif self._requester is not None: + # This shouldn't happen, but we log it so we don't lose information + # and can see that we're doing something wrong. + return repr(self._requester), None # type: ignore[unreachable] + + return None, None + def render(self, resrc): # this is called once a Resource has been found to serve the request; in our # case the Resource in question will normally be a JsonResource. # create a LogContext for this request request_id = self.get_request_id() - self.logcontext = LoggingContext(request_id, request=request_id) + self.logcontext = LoggingContext( + request_id, + request=ContextRequest( + request_id=request_id, + ip_address=self.getClientIP(), + site_tag=self.site.site_tag, + # The requester is going to be unknown at this point. + requester=None, + authenticated_entity=None, + method=self.get_method(), + url=self.get_redacted_uri(), + protocol=self.clientproto.decode("ascii", errors="replace"), + user_agent=get_request_user_agent(self), + ), + ) # override the Server header which is set by twisted self.setHeader("Server", self.site.server_version_string) @@ -277,25 +353,6 @@ class SynapseRequest(Request): # to the client (nb may be negative) response_send_time = self.finish_time - self._processing_finished_time - # Convert the requester into a string that we can log - authenticated_entity = None - if isinstance(self.requester, str): - authenticated_entity = self.requester - elif isinstance(self.requester, Requester): - authenticated_entity = self.requester.authenticated_entity - - # If this is a request where the target user doesn't match the user who - # authenticated (e.g. and admin is puppetting a user) then we log both. - if self.requester.user.to_string() != authenticated_entity: - authenticated_entity = "{},{}".format( - authenticated_entity, - self.requester.user.to_string(), - ) - elif self.requester is not None: - # This shouldn't happen, but we log it so we don't lose information - # and can see that we're doing something wrong. - authenticated_entity = repr(self.requester) # type: ignore[unreachable] - user_agent = get_request_user_agent(self, "-") code = str(self.code) @@ -305,6 +362,13 @@ class SynapseRequest(Request): code += "!" log_level = logging.INFO if self._should_log_request() else logging.DEBUG + + # If this is a request where the target user doesn't match the user who + # authenticated (e.g. and admin is puppetting a user) then we log both. + requester, authenticated_entity = self.get_authenticated_entity() + if authenticated_entity: + requester = "{}.{}".format(authenticated_entity, requester) + self.site.access_logger.log( log_level, "%s - %s - {%s}" @@ -312,7 +376,7 @@ class SynapseRequest(Request): ' %sB %s "%s %s %s" "%s" [%d dbevts]', self.getClientIP(), self.site.site_tag, - authenticated_entity, + requester, processing_time, response_send_time, usage.ru_utime, |