[GitHub] [hadoop-ozone] cku328 commented on a change in pull request #812: HDDS-3161. Block illegal characters when creating keys.

[GitBox <gi...@apache.org>]

cku328 commented on a change in pull request #812:
URL: https://github.com/apache/hadoop-ozone/pull/812#discussion_r411562681



##########
File path: hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/client/HddsClientUtils.java
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@@ -196,6 +196,27 @@ public static void verifyResourceName(String... resourceNames) {
     }
   }
 
+  /**
+   * verifies that key name is a valid name.
+   *
+   * @param keyName key name to be validated
+   *
+   * @throws IllegalArgumentException
+   */
+  public static void verifyKeyName(String keyName) {
+    if (keyName == null) {
+      throw new IllegalArgumentException("Key name is null");
+    }
+    String regex = "^[^^{}<>^?%~#`\\[\\]\\|\\\\(\\x80-\\xff)]$";

Review comment:
       Thanks, I've moved the regex to OzoneConsts and explained it.




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