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HDFS-15334. INodeAttributeProvider's new API checkPermissionWithContext not getting called in for authorization. (#1998)

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Reviewed-by: Arpit Agarwal <arp@apache.org>
This commit is contained in:
Wei-Chiu Chuang 2020-05-05 16:04:54 -07:00 committed by GitHub
parent e877118454
commit adecdb8b53
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1 changed files with 12 additions and 1 deletions
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13
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
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@ -73,6 +73,7 @@
import java.io.Closeable;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@ -225,8 +226,18 @@ public void setINodeAttributeProvider(
Class[] cArg = new Class[1];
cArg[0] = INodeAttributeProvider.AuthorizationContext.class;
INodeAttributeProvider.AccessControlEnforcer enforcer =
attributeProvider.getExternalAccessControlEnforcer(null);
// If external enforcer is null, we use the default enforcer, which
// supports the new API.
if (enforcer == null) {
useAuthorizationWithContextAPI = true;
return;
}
try {
Class<?> clazz = attributeProvider.getClass();
Class<?> clazz = enforcer.getClass();
clazz.getDeclaredMethod("checkPermissionWithContext", cArg);
useAuthorizationWithContextAPI = true;
LOG.info("Use the new authorization provider API");