3 files changed, 42 insertions, 8 deletions
diff --git a/lib/pleroma/web/rich_media/parser/ttl.ex b/lib/pleroma/web/rich_media/parser/ttl.ex
index 59d7f87..7e56375 100755..100644
--- a/lib/pleroma/web/rich_media/parser/ttl.ex
+++ b/lib/pleroma/web/rich_media/parser/ttl.ex
@@ -3,5 +3,18 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.Parser.TTL do
-  @callback ttl(Map.t(), String.t()) :: Integer.t() | nil
+  @callback ttl(map(), String.t()) :: integer() | nil
+
+  @spec process(map(), String.t()) :: {:ok, integer() | nil}
+  def process(data, url) do
+    [:rich_media, :ttl_setters]
+    |> Pleroma.Config.get()
+    |> Enum.reduce_while({:ok, nil}, fn
+      module, acc ->
+        case module.ttl(data, url) do
+          ttl when is_number(ttl) -> {:halt, {:ok, ttl}}
+          _ -> {:cont, acc}
+        end
+    end)
+  end
 end
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 fa41c16..948c727 100755..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
@@ -7,25 +7,26 @@ defmodule Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl do
 
   @impl true
   def ttl(data, _url) do
-    image = Map.get(data, :image)
+    image = Map.get(data, "image")
 
-    if is_aws_signed_url(image) do
+    if aws_signed_url?(image) do
       image
       |> parse_query_params()
       |> format_query_params()
       |> get_expiration_timestamp()
     else
-      {:error, "Not aws signed url #{inspect(image)}"}
+      nil
     end
   end
 
-  defp is_aws_signed_url(image) when is_binary(image) and image != "" do
+  defp aws_signed_url?(image) when is_binary(image) and image != "" do
     %URI{host: host, query: query} = URI.parse(image)
 
-    String.contains?(host, "amazonaws.com") and String.contains?(query, "X-Amz-Expires")
+    is_binary(host) and String.contains?(host, "amazonaws.com") and
+      String.contains?(query, "X-Amz-Expires")
   end
 
-  defp is_aws_signed_url(_), do: nil
+  defp aws_signed_url?(_), do: nil
 
   defp parse_query_params(image) do
     %URI{query: query} = URI.parse(image)
@@ -45,6 +46,6 @@ defmodule Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl do
       |> Map.get("X-Amz-Date")
       |> Timex.parse("{ISO:Basic:Z}")
 
-    {:ok, Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))}
+    Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))
   end
 end
diff --git a/lib/pleroma/web/rich_media/parser/ttl/opengraph.ex b/lib/pleroma/web/rich_media/parser/ttl/opengraph.ex
new file mode 100644
index 0000000..b068896
--- /dev/null
+++ b/lib/pleroma/web/rich_media/parser/ttl/opengraph.ex
@@ -0,0 +1,20 @@
+# 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.Opengraph do
+  @behaviour Pleroma.Web.RichMedia.Parser.TTL
+
+  @impl true
+  def ttl(%{"ttl" => ttl_string}, _url) when is_binary(ttl_string) do
+    try do
+      ttl = String.to_integer(ttl_string)
+      now = DateTime.utc_now() |> DateTime.to_unix()
+      now + ttl
+    rescue
+      _ -> nil
+    end
+  end
+
+  def ttl(_, _), do: nil
+end