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fixes for camo images

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byte[] 2021-03-22 12:53:23 -04:00
parent 70c95800ca
commit 796d07f393
1 changed files with 20 additions and 12 deletions
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32
lib/camo/image.ex
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@ -1,20 +1,28 @@
defmodule Camo.Image do
def image_url(input) do
%{host: host} = URI.parse(input)
uri = URI.parse(input)
if !host or String.ends_with?(host, cdn_host()) or is_nil(camo_key()) do
input
else
camo_digest = :crypto.hmac(:sha, camo_key(), input) |> Base.encode16(case: :lower)
cond do
is_nil(uri.host) ->
""
camo_uri = %URI{
host: camo_host(),
path: "/" <> camo_digest,
query: URI.encode_query(url: input),
scheme: "https"
}
is_nil(camo_key()) ->
input
URI.to_string(camo_uri)
uri.host in [cdn_host(), camo_host()] ->
URI.to_string(update_in(uri.scheme, fn _ -> "https" end))
true ->
camo_digest = :crypto.hmac(:sha, camo_key(), input) |> Base.encode16(case: :lower)
camo_uri = %URI{
host: camo_host(),
path: "/" <> camo_digest,
query: URI.encode_query(url: input),
scheme: "https"
}
URI.to_string(camo_uri)
end
end