From 8e18a415eb01f8bd295bf93679c685768b730a4e Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sat, 24 Oct 2020 13:37:06 -0400
Subject: [PATCH] Fix error when attempting to convert image w/o Content-Type
 header to data URI

---
 lib/frenzy/pipeline/scrape_stage.ex | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/frenzy/pipeline/scrape_stage.ex b/lib/frenzy/pipeline/scrape_stage.ex
index 962356f..31575d2 100644
--- a/lib/frenzy/pipeline/scrape_stage.ex
+++ b/lib/frenzy/pipeline/scrape_stage.ex
@@ -144,13 +144,13 @@ defmodule Frenzy.Pipeline.ScrapeStage do
 
     case Network.http_get(absolute_url) do
       {:ok, %Mojito.Response{body: body, headers: headers}} ->
-        {"Content-Type", content_type} =
-          Enum.find(headers, fn {header, _value} -> header == "Content-Type" end)
+        Enum.find(headers, fn {header, _value} -> header == "Content-Type" end)
+        |> case do
+          {"Content-Type", content_type} when content_type in @content_type_allowlist ->
+            "data:#{content_type};base64,#{Base.encode64(body)}"
 
-        if content_type in @content_type_allowlist do
-          "data:#{content_type};base64,#{Base.encode64(body)}"
-        else
-          src
+          _ ->
+            src
         end
 
       _ ->