ajayydv commented on a change in pull request #601: HDDS-1119. DN get OM
certificate from SCM CA for block token validat…
URL: https://github.com/apache/hadoop/pull/601#discussion_r265363618
##########
File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/security/token/BlockTokenVerifier.java
##########
@@ -78,29 +79,36 @@ public UserGroupInformation verify(String user, String
tokenStr)
throw new BlockTokenException("Failed to decode token : " + tokenStr);
}
- // TODO: revisit this when caClient is ready, skip signature check now.
- /**
- * the final code should like
- * if (caClient == null) {
- * throw new SCMSecurityException("Certificate client not available to
- * validate token");
- * }
- */
- if (caClient != null) {
- X509Certificate singerCert = caClient.queryCertificate(
- "certId=" + tokenId.getOmCertSerialId());
- if (singerCert == null) {
- throw new BlockTokenException("Can't find signer certificate " +
- "(OmCertSerialId: " + tokenId.getOmCertSerialId() +
- ") of the block token for user: " + tokenId.getUser());
- }
- Boolean validToken = caClient.verifySignature(tokenId.getBytes(),
- token.getPassword(), singerCert);
- if (!validToken) {
- throw new BlockTokenException("Invalid block token for user: " +
- tokenId.getUser());
- }
+ if (caClient == null) {
+ throw new SCMSecurityException("Certificate client not available " +
+ "to validate token");
}
+
+ X509Certificate singerCert;
+ try {
+ singerCert =
+ caClient.getCertificateFromLocal(tokenId.getOmCertSerialId());
Review comment:
initially i was inclined to do that but than i decided otherwise in favor of
APIs with singular responsibility. With this clients can decide what action to
take. Also it gives more flexibility to client, for example if connection to
scm fails to due to timeout client may decide to retry it, with abstract api
call that becomes more hidden and complex.
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