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Don't copy URI path & query to gateway request#46
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DanGould merged 1 commit intopayjoin:mainfrom Feb 21, 2025
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When requests to the relay include a path & query, previously this would be copied to the request sent to the gateway. This behavior did not match the specified behavior in RFC 9458, where the relay and gateway resource are related by a fixed 1:1 mapping, whereas copying the path is a family of 1:1 mappings between relay resources and gateway resources. Less pedantic behavior could arguably simply ignore any extraneous path or query elements in the request URI, but based on the logic that any deployment relying on the existing behavior would be incompatible with the existing directory implementation, this more conservative path was chosen. This was only tested manually by temporarily modifying the ohttp_req test helper to ensure it fails (for both the request matching and the explicit treatment of req.uri().path_and_query()), in order to avoid modifying it with additional long lived complexity to allow overriding the path. The rationale is that in the near term protocol opt-in by directories will give meaning to path components of directory requests, and the modified behavior fails closed.
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DanGould
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Feb 6, 2025
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This appears to be correct expression of 1:1 Relay:Gateway Resource mapping.
The target resource information is encoded in each OHTTP Encapsulated request, not in the OHTTP request's path and query information.
(to be explicit: because the info is encoded in the request, all of the clients I know of are NOT going to be affected by this change even though it's technically breaking)
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When requests to the relay include a path & query, previously this would be copied to the request sent to the gateway.
This behavior did not match the specified behavior in RFC 9458, where the relay and gateway resource are related by a fixed 1:1 mapping, whereas copying the path is a family of 1:1 mappings between relay resources and gateway resources.
Less pedantic behavior could arguably simply ignore any extraneous path or query elements in the request URI, but based on the logic that any deployment relying on the existing behavior would be incompatible with the existing directory implementation, this more conservative path was chosen.
This was only tested manually by temporarily modifying the ohttp_req test helper to ensure it fails (for both the request matching and the explicit treatment of req.uri().path_and_query()), in order to avoid modifying it with additional long lived complexity to allow overriding the path. The rationale is that in the near term protocol opt-in by directories will give meaning to path components of directory requests, and the modified behavior fails closed.