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diff --git a/changelog.d/richmediattl.fix b/changelog.d/richmediattl.fix
new file mode 100644
index 000000000..98de63015
--- /dev/null
+++ b/changelog.d/richmediattl.fix
@@ -0,0 +1 @@
+Parsing of RichMedia TTLs for Amazon URLs when query parameters are nil
diff --git a/lib/pleroma/web/rich_media/parser/ttl/aws_signed_url.ex b/lib/pleroma/web/rich_media/parser/ttl/aws_signed_url.ex
index 948c727e1..1172a120a 100644
--- a/lib/pleroma/web/rich_media/parser/ttl/aws_signed_url.ex
+++ b/lib/pleroma/web/rich_media/parser/ttl/aws_signed_url.ex
@@ -1,51 +1,51 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl do
@behaviour Pleroma.Web.RichMedia.Parser.TTL
@impl true
def ttl(data, _url) do
image = Map.get(data, "image")
if aws_signed_url?(image) do
image
|> parse_query_params()
|> format_query_params()
|> get_expiration_timestamp()
else
nil
end
end
defp aws_signed_url?(image) when is_binary(image) and image != "" do
%URI{host: host, query: query} = URI.parse(image)
is_binary(host) and String.contains?(host, "amazonaws.com") and
- String.contains?(query, "X-Amz-Expires")
+ is_binary(query) and String.contains?(query, "X-Amz-Expires")
end
defp aws_signed_url?(_), do: nil
defp parse_query_params(image) do
%URI{query: query} = URI.parse(image)
query
end
defp format_query_params(query) do
query
|> String.split(~r/&|=/)
|> Enum.chunk_every(2)
|> Map.new(fn [k, v] -> {k, v} end)
end
defp get_expiration_timestamp(params) when is_map(params) do
{:ok, date} =
params
|> Map.get("X-Amz-Date")
|> Timex.parse("{ISO:Basic:Z}")
Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))
end
end

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