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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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5
test/handlers/compress_h.erl
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@ -19,6 +19,9 @@ init(Req0, State=reply) ->
<<"content-encoding">> ->
cowboy_req:reply(200, #{<<"content-encoding">> => <<"compress">>},
lists:duplicate(100000, $a), Req0);
<<"etag">> ->
cowboy_req:reply(200, #{<<"etag">> => <<"\"STRONK\"">>},
lists:duplicate(100000, $a), Req0);
<<"sendfile">> ->
AppFile = code:where_is_file("cowboy.app"),
Size = filelib:file_size(AppFile),
@ -34,6 +37,8 @@ init(Req0, State=stream_reply) ->
stream_reply(#{}, Req0);
<<"content-encoding">> ->
stream_reply(#{<<"content-encoding">> => <<"compress">>}, Req0);
<<"etag">> ->
stream_reply(#{<<"etag">> => <<"\"STRONK\"">>}, Req0);
<<"sendfile">> ->
Data = lists:duplicate(10000, $a),
AppFile = code:where_is_file("cowboy.app"),