Fix ETag Handling - Githubissues

ruby-rdf / rdf-ldp

A suite of LDP software and middleware for RDF.rb & Rack

The Unlicense

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Open no-reply opened 8 years ago

no-reply commented 8 years ago

We have a few problems with ETag handling:

RFC 7232 sec. 3.1 requires us to use strong validation on If-Match, we use weak.
Even our weak validation is incorrect; see RFC 7232 sec. 2.3.2.
If we use strong validation, clients will never be able to use If-Match (since we don't generate strong ETags).

Discussion of this issue within the LDP WG is in this thread.

no-reply commented 8 years ago

The restriction referred to in the email thread linked above was added in https://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-24. I'm unsure whether the LDP WG ever discussed this development.

no-reply commented 7 years ago

The proposed fix is to fail If-Match (Precondition Failed) for all checks.