Github user mcgilman commented on a diff in the pull request:
https://github.com/apache/nifi/pull/461#discussion_r64262070
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/ProcessGroupResource.java
---
@@ -2024,6 +1843,24 @@ public Response instantiateTemplate(
// templates
// ---------
+ private void authorizeSnippetUsage(final AuthorizableLookup lookup,
final String groupId, final String snippetId) {
+ // ensure write access to the target process group
+ lookup.getProcessGroup(groupId).authorize(authorizer,
RequestAction.WRITE);
+
+ // ensure read permission to every component in the snippet
+ final Snippet snippet = lookup.getSnippet(snippetId);
+ final Set<Authorizable> authorizables = new HashSet<>();
+
authorizables.addAll(snippet.getProcessGroups().keySet().stream().map(id ->
lookup.getProcessGroup(id)).collect(Collectors.toSet()));
--- End diff --
Awesome. Will do!
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