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Posted to issues@polaris.apache.org by "dimas-b (via GitHub)" <gi...@apache.org> on 2026/08/06 20:43:09 UTC

Re: [PR] Support for external principals [polaris]

dimas-b commented on code in PR #5119:
URL: https://github.com/apache/polaris/pull/5119#discussion_r3731778665


##########
polaris-core/src/main/java/org/apache/polaris/core/persistence/resolver/Resolver.java:
##########
@@ -780,6 +787,16 @@ private ResolverStatus resolvePaths(
   private ResolverStatus resolveCallerPrincipalAndPrincipalRoles(
       List<ResolvedPolarisEntity> toValidate, boolean resolvePrincipalRoles) {
 
+    // External principals are not backed by the metastore: synthesize the caller principal and its
+    // roles directly from the authenticated principal instead of resolving them from the backend.
+    boolean externalPrincipal =
+        polarisPrincipal
+            .getAttribute(PolarisPrincipal.PRINCIPAL_ENTITY_ATTRIBUTE_KEY, PrincipalEntity.class)
+            .isEmpty();
+    if (externalPrincipal) {

Review Comment:
   +1 to @adutra 's point.



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