Check that the fetched feed is a JSON feed 1.1 and fail if not

Author: mtardy

layouts/shortcodes/cve-feed.html

@@ -1,5 +1,8 @@
+{{ $feed := getJSON .Site.Params.cveFeedBucket }}
+{{ if ne $feed.version "https://jsonfeed.org/version/1.1" }}
+  {{ errorf "Build Failed. CVE feed does not comply with JSON feed v1.1" }}
+{{ end }}
 <table class="security-cves">
-  {{ $feed := getJSON .Site.Params.cveFeedBucket }}
   <caption style="caption-side: top;">{{ T "cve_table" }} {{ T "cve_table_date_before" }}{{ $feed._kubernetes_io.updated_at | time.Format ( T "cve_table_date_format" ) }}{{ T "cve_table_date_after" }}</caption>
   <thead>
   <tr>