Backport cve-feed shortcode

Author: tengqm

layouts/shortcodes/cve-feed.html

@@ -1,19 +1,23 @@
+{{ $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">
-  <caption>{{ T "cve_table" }}</caption>
+  <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>
     <th>{{ T "cve_id" }}</th>
-    <th>{{ T "cve_summary"}}</th>
+    <th>{{ T "cve_summary" }}</th>
     <th>{{ T "cve_issue_url" }}</th>
   </tr>
   </thead>
   <tbody>
-  {{ range $issues := getJSON .Site.Params.cveFeedBucket }}
+  {{ range $feed.items }}
   <tr>
-    <td><a href="{{ .cve_url }}">{{ .cve_id | htmlEscape | safeHTML }}</a></td>
+    <td><a href="{{ .url }}">{{ .id | htmlEscape | safeHTML }}</a></td>
     <td>{{ .summary | htmlEscape | safeHTML }}</td>
-    <td><a href="{{ .issue_url }}">#{{ .number }}</a></td>
+    <td><a href="{{ .url }}">#{{ ._kubernetes_io.issue_number }}</a></td>
   </tr>
   {{ end }}
   </tbody>
-</table>
+</table>