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Don't automatically compress when response has etag

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In the cowboy_compress_h stream handler.

Otherwise this could cause issues with caching, with the
etag being the same for compressed/uncompressed content.

Users that wish to send etags AND compress will have to
do it manually for the time being.
This commit is contained in:
Loïc Hoguin 2024-01-05 15:53:42 +01:00
parent 67df6fedae
commit 5b2f600036
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4 changed files with 31 additions and 1 deletions
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3
src/cowboy_compress_h.erl
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@ -96,6 +96,9 @@ check_req(Req) ->
%% Do not compress responses that contain the content-encoding header.
check_resp_headers(#{<<"content-encoding">> := _}, State) ->
State#state{compress=undefined};
%% Do not compress responses that contain the etag header.
check_resp_headers(#{<<"etag">> := _}, State) ->
State#state{compress=undefined};
check_resp_headers(_, State) ->
State.