routing/http/server: add cache control #584
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hacdias
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Mar 5, 2024
Codecov ReportAttention: Patch coverage is
@@ Coverage Diff @@
## main #584 +/- ##
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+ Coverage 65.64% 65.66% +0.02%
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Files 207 207
Lines 25617 25656 +39
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+ Hits 16815 16848 +33
- Misses 7328 7335 +7
+ Partials 1474 1473 -1
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hacdias
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Mar 5, 2024
Co-authored-by: Daniel Norman <1992255+2color@users.noreply.github.com>
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While we are at adding cache-control, we should leverage stale-while-revalidate hint, especially when we have useful results. Adding Last-Modified also does not cost us anything, but allows clients to benefit from caching proxies and CDNs in front of someguy returning HTTP 304 when request includes If-Modified-Since.
IPNS records should have "string etag" following syntax from https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
this ensures proxies put in front of someguy will use Accept from request in the cache key, and not mix application/x-ndjson responses with application/json ones.
lidel
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lgtm.
@hacdias i've pushed a few additional improvements which felt like low hanging fruits that will improve setups like our someguy deployment at https://delegated-ipfs.dev/routing/v1/, so would be good if you 👀 before merging.
If no concerns, feel free to merge and:
- bubble this up to someguy and delegated-ipfs
- PR against https://specs.ipfs.tech/routing/http-routing-v1/ ensure each endpoint has "response headers" documented (I think no need for IPIP, cache-control was just missing entierely)
This was referenced Mar 7, 2024
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Cache-control for ipfs/someguy#26.