moresandeep commented on a change in pull request #264: KNOX-2233 -
DefaultKeystoreService getCredentialForCluster uses cache…
URL: https://github.com/apache/knox/pull/264#discussion_r378491444
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File path:
gateway-server/src/main/java/org/apache/knox/gateway/services/security/impl/DefaultKeystoreService.java
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@@ -309,25 +309,30 @@ public void addCredentialForCluster(String clusterName,
String alias, String val
@Override
public char[] getCredentialForCluster(String clusterName, String alias)
throws KeystoreServiceException {
- char[] credential = checkCache(clusterName, alias);
- if (credential == null) {
- KeyStore ks = getCredentialStoreForCluster(clusterName);
- if (ks != null) {
- try {
- char[] masterSecret = masterService.getMasterSecret();
- Key credentialKey = ks.getKey( alias, masterSecret );
- if (credentialKey != null) {
- byte[] credentialBytes = credentialKey.getEncoded();
- String credentialString = new String( credentialBytes,
StandardCharsets.UTF_8 );
- credential = credentialString.toCharArray();
- addToCache(clusterName, alias, credentialString);
+ char[] credential;
+
+ synchronized (this) {
Review comment:
Instead of synchronizing the whole block wouldn't it be better to add
something like a ReadWriteLock ?
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