xiaoyuyao commented on a change in pull request #2254:
URL: https://github.com/apache/ozone/pull/2254#discussion_r638247858



##########
File path: 
hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/security/token/BlockTokenVerifier.java
##########
@@ -77,21 +75,20 @@ protected Object getService(ContainerCommandRequestProto 
cmd) {
 
   @Override
   protected void verify(OzoneBlockTokenIdentifier tokenId,
-      ContainerCommandRequestProto cmd) throws SCMSecurityException {
+      ContainerCommandRequestProtoOrBuilder cmd) throws SCMSecurityException {
 
-    ContainerProtos.Type type = cmd.getCmdType();
-    if (type == ReadChunk || type == GetBlock || type == GetSmallFile) {
-      if (!tokenId.getAccessModes().contains(READ)) {
-        throw new BlockTokenException("Block token with " + 
tokenId.getService()
-            + " doesn't have READ permission");
-      }
-    } else if (type == WriteChunk || type == PutBlock || type == PutSmallFile) 
{
-      if (!tokenId.getAccessModes().contains(WRITE)) {
-        throw new BlockTokenException("Block token with " + 
tokenId.getService()
-            + " doesn't have WRITE permission");
-      }
+    HddsProtos.BlockTokenSecretProto.AccessModeProto accessMode;
+    if (HddsUtils.isReadOnly(cmd)) {
+      accessMode = READ;
+    } else if (cmd.getCmdType() == DeleteBlock ||
+        cmd.getCmdType() == DeleteChunk) {
+      accessMode = DELETE;

Review comment:
       bq. Regarding the further change I mentioned, I opened HDDS-5264 and 
submitted another PR. It turned out to be quite separate from this one, so on 
second thought I wanted to avoid mixing the two.
   
   Sounds good to me. +1. 




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