adutra commented on code in PR #1397:
URL: https://github.com/apache/polaris/pull/1397#discussion_r2060400365


##########
service/common/src/main/java/org/apache/polaris/service/auth/DefaultAuthenticator.java:
##########
@@ -88,17 +92,19 @@ protected Optional<AuthenticatedPolarisPrincipal> 
getPrincipal(DecodedToken toke
           .log("Unable to authenticate user with token");
       throw new ServiceFailureException("Unable to fetch principal entity");
     }
-    if (principal == null) {
-      LOGGER.warn(
-          "Failed to resolve principal from tokenInfo client_id={}", 
tokenInfo.getClientId());
+    if (principal == null || principal.getType() != 
PolarisEntityType.PRINCIPAL) {
+      LOGGER.warn("Failed to resolve principal from credentials={}", 
credentials);
       throw new NotAuthorizedException("Unable to authenticate");
     }
 
+    LOGGER.debug("Resolved principal: {}", principal);
+
+    boolean allRoles = 
credentials.getPrincipalRoles().contains(PRINCIPAL_ROLE_ALL);
+
     Set<String> activatedPrincipalRoles = new HashSet<>();
-    // TODO: Consolidate the divergent "scopes" logic between 
test-bearer-token and token-exchange.
-    if (tokenInfo.getScope() != null && 
!tokenInfo.getScope().equals(PRINCIPAL_ROLE_ALL)) {
+    if (!allRoles) {
       activatedPrincipalRoles.addAll(
-          Arrays.stream(tokenInfo.getScope().split(" "))
+          credentials.getPrincipalRoles().stream()
               .map(
                   s -> // strip the principal_role prefix, if present
                   s.startsWith(PRINCIPAL_ROLE_PREFIX)

Review Comment:
   BTW I also think that the responsibility of stripping off the prefix should 
be transferred from this class to `DefaultPrincipalRolesMapper`. But we can do 
this in a follow-up PR.



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