reverse_proxy - always override plug's cache-control

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href 2019-01-21 15:17:24 +01:00
parent 8cd853ce0c
commit 99763999c1
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1 changed files with 17 additions and 4 deletions

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@ -275,11 +275,24 @@ defp build_resp_headers(headers, opts) do
defp build_resp_cache_headers(headers, _opts) do defp build_resp_cache_headers(headers, _opts) do
has_cache? = Enum.any?(headers, fn {k, _} -> k in @resp_cache_headers end) has_cache? = Enum.any?(headers, fn {k, _} -> k in @resp_cache_headers end)
has_cache_control? = List.keymember?(headers, "cache-control", 0)
if has_cache? do cond do
headers has_cache? && has_cache_control? ->
else headers
List.keystore(headers, "cache-control", 0, {"cache-control", @default_cache_control_header})
has_cache? ->
# There's caching header present but no cache-control -- we need to explicitely override it to public
# as Plug defaults to "max-age=0, private, must-revalidate"
List.keystore(headers, "cache-control", 0, {"cache-control", "public"})
true ->
List.keystore(
headers,
"cache-control",
0,
{"cache-control", @default_cache_control_header}
)
end end
end end