mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-09-08 13:01:53 +00:00
Cleaner way of implementing trailing slashes
This commit is contained in:
parent
4868b12029
commit
0ea8582f8b
@ -52,8 +52,9 @@ class TransportLayerClient(object):
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destination, room_id)
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path = _create_v1_path("/state/%s", room_id)
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return self.client.get_json_with_trailing_slashes_on_404(
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return self.client.get_json(
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destination, path=path, args={"event_id": event_id},
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try_trailing_slash_on_404=True,
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)
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@log_function
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@ -74,8 +75,9 @@ class TransportLayerClient(object):
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destination, room_id)
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path = _create_v1_path("/state_ids/%s", room_id)
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return self.client.get_json_with_trailing_slashes_on_404(
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return self.client.get_json(
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destination, path=path, args={"event_id": event_id},
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try_trailing_slash_on_404=True,
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)
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@log_function
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@ -96,8 +98,9 @@ class TransportLayerClient(object):
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destination, event_id)
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path = _create_v1_path("/event/%s", event_id)
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return self.client.get_json_with_trailing_slashes_on_404(
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return self.client.get_json(
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destination, path=path, timeout=timeout,
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try_trailing_slash_on_404=True,
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)
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@log_function
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@ -130,10 +133,11 @@ class TransportLayerClient(object):
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"limit": [str(limit)],
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}
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return self.client.get_json_with_trailing_slashes_on_404(
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return self.client.get_json(
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destination,
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path=path,
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args=args,
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try_trailing_slash_on_404=True,
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)
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@defer.inlineCallbacks
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@ -171,13 +175,14 @@ class TransportLayerClient(object):
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path = _create_v1_path("/send/%s", transaction.transaction_id)
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response = yield self.client.put_json_with_trailing_slashes_on_404(
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response = yield self.client.put_json(
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transaction.destination,
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path=path,
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data=json_data,
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json_data_callback=json_data_callback,
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long_retries=True,
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backoff_on_404=True, # If we get a 404 the other side has gone
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try_trailing_slash_on_404=True,
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)
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defer.returnValue(response)
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@ -196,7 +196,8 @@ class MatrixFederationHttpClient(object):
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timeout=None,
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long_retries=False,
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ignore_backoff=False,
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backoff_on_404=False
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backoff_on_404=False,
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try_trailing_slash_on_404=False,
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):
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"""
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Sends a request to the given server.
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@ -212,6 +213,11 @@ class MatrixFederationHttpClient(object):
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backoff_on_404 (bool): Back off if we get a 404
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try_trailing_slash_on_404 (bool): True if on a 404 response we
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should try appending a trailing slash to the end of the
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request. This will be attempted before backing off if backing
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off has been enabled.
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Returns:
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Deferred[twisted.web.client.Response]: resolves with the HTTP
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response object on success.
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@ -473,7 +479,8 @@ class MatrixFederationHttpClient(object):
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json_data_callback=None,
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long_retries=False, timeout=None,
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ignore_backoff=False,
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backoff_on_404=False):
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backoff_on_404=False,
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try_trailing_slash_on_404=False):
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""" Sends the specifed json data using PUT
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Args:
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@ -493,7 +500,11 @@ class MatrixFederationHttpClient(object):
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and try the request anyway.
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backoff_on_404 (bool): True if we should count a 404 response as
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a failure of the server (and should therefore back off future
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requests)
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requests).
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try_trailing_slash_on_404 (bool): True if on a 404 response we
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should try appending a trailing slash to the end of the
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request. This will be attempted before backing off if backing
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off has been enabled.
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Returns:
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Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
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@ -509,7 +520,6 @@ class MatrixFederationHttpClient(object):
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RequestSendFailed: If there were problems connecting to the
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remote, due to e.g. DNS failures, connection timeouts etc.
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"""
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request = MatrixFederationRequest(
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method="PUT",
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destination=destination,
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@ -519,13 +529,26 @@ class MatrixFederationHttpClient(object):
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json=data,
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)
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response = yield self._send_request(
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request,
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long_retries=long_retries,
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timeout=timeout,
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ignore_backoff=ignore_backoff,
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backoff_on_404=backoff_on_404,
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)
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send_request_args = {
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"request": request,
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"long_retries": long_retries,
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"timeout": timeout,
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"ignore_backoff": ignore_backoff,
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# Do not backoff on the initial request if we're trying with trailing slashes
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# Otherwise we may end up waiting to contact a server that is actually up
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"backoff_on_404": False if try_trailing_slash_on_404 else backoff_on_404,
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}
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response = yield self._send_request(**send_request_args)
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# If enabled, retry with a trailing slash if we received a 404
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if try_trailing_slash_on_404 and response.code == 404:
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args["path"] += "/"
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# Re-enable backoff if enabled
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send_request_args["backoff_on_404"] = backoff_on_404
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response = yield self.get_json(**send_request_args)
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body = yield _handle_json_response(
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self.hs.get_reactor(), self.default_timeout, request, response,
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@ -592,7 +615,8 @@ class MatrixFederationHttpClient(object):
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@defer.inlineCallbacks
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def get_json(self, destination, path, args=None, retry_on_dns_fail=True,
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timeout=None, ignore_backoff=False):
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timeout=None, ignore_backoff=False,
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try_trailing_slash_on_404=False):
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""" GETs some json from the given host homeserver and path
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Args:
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@ -606,6 +630,9 @@ class MatrixFederationHttpClient(object):
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be retried.
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ignore_backoff (bool): true to ignore the historical backoff data
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and try the request anyway.
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try_trailing_slash_on_404 (bool): True if on a 404 response we
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should try appending a trailing slash to the end of the
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request.
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Returns:
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Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
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result will be the decoded JSON body.
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@ -631,63 +658,25 @@ class MatrixFederationHttpClient(object):
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query=args,
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)
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response = yield self._send_request(
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request,
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retry_on_dns_fail=retry_on_dns_fail,
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timeout=timeout,
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ignore_backoff=ignore_backoff,
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)
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send_request_args = {
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"request": request,
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"retry_on_dns_fail": retry_on_dns_fail,
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"timeout": timeout,
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"ignore_backoff": ignore_backoff,
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}
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response = yield self._send_request(**send_request_args)
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# If enabled, retry with a trailing slash if we received a 404
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if try_trailing_slash_on_404 and response.code == 404:
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args["path"] += "/"
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response = yield self._send_request(**send_request_args)
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body = yield _handle_json_response(
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self.hs.get_reactor(), self.default_timeout, request, response,
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)
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defer.returnValue(body)
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@defer.inlineCallbacks
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def get_json_with_trailing_slashes_on_404(self, args={}):
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"""Runs client.get_json under the hood, but if receiving a 404, tries
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the request again with a trailing slash. This is a result of removing
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trailing slashes from some federation endpoints and in an effort to
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remain backwards compatible with older versions of Synapse, we try
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again if a server requires a trailing slash.
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Args:
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args (dict): A dictionary of arguments matching those provided by put_json.
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Returns:
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Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
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result will be the decoded JSON body.
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"""
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response = yield self.get_json(**args)
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# Retry with a trailing slash if we received a 404
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if response.code == 404:
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args["path"] += "/"
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response = yield self.get_json(**args)
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defer.returnValue(response)
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@defer.inlineCallbacks
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def put_json_with_trailing_slashes_on_404(self, args={}):
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"""Runs client.put_json under the hood, but if receiving a 404, tries
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the request again with a trailing slash.
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See get_json_with_trailing_slashes_on_404 for more details.
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Args:
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args (dict): A dictionary of arguments matching those provided by put_json.
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Returns:
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Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
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result will be the decoded JSON body.
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"""
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response = yield self.put_json(**args)
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# Retry with a trailing slash if we received a 404
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if response.code == 404:
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args["path"] += "/"
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response = yield self.put_json(**args)
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defer.returnValue(response)
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@defer.inlineCallbacks
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def delete_json(self, destination, path, long_retries=False,
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timeout=None, ignore_backoff=False, args={}):
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@ -177,7 +177,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
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timeout=20000,
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))
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put_json = self.hs.get_http_client().put_json_with_trailing_slashes_on_404
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put_json = self.hs.get_http_client().put_json
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put_json.assert_called_once_with(
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"farm",
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path="/_matrix/federation/v1/send/1000000",
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@ -192,6 +192,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
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json_data_callback=ANY,
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long_retries=True,
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backoff_on_404=True,
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trailing_slashes_on_404=True,
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)
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def test_started_typing_remote_recv(self):
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@ -254,7 +255,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
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[call('typing_key', 1, rooms=[ROOM_ID])]
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)
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put_json = self.hs.get_http_client().put_json_with_trailing_slashes_on_404
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put_json = self.hs.get_http_client().put_json
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put_json.assert_called_once_with(
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"farm",
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path="/_matrix/federation/v1/send/1000000",
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@ -269,6 +270,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
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json_data_callback=ANY,
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long_retries=True,
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backoff_on_404=True,
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trailing_slashes_on_404=True,
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)
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self.assertEquals(self.event_source.get_current_key(), 1)
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