reverse_proxy - always override plug's cache-control
This commit is contained in:
parent
8cd853ce0c
commit
99763999c1
1 changed files with 17 additions and 4 deletions
|
@ -275,11 +275,24 @@ defp build_resp_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_control? = List.keymember?(headers, "cache-control", 0)
|
||||
|
||||
if has_cache? do
|
||||
cond do
|
||||
has_cache? && has_cache_control? ->
|
||||
headers
|
||||
else
|
||||
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
|
||||
|
||||
|
|
Loading…
Reference in a new issue