[
https://issues.apache.org/jira/browse/HDDS-1043?focusedWorklogId=209054&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-209054
]
ASF GitHub Bot logged work on HDDS-1043:
----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Mar/19 19:02
Start Date: 06/Mar/19 19:02
Worklog Time Spent: 10m
Work Description: bharatviswa504 commented on pull request #561:
HDDS-1043. Enable token based authentication for S3 api.
URL: https://github.com/apache/hadoop/pull/561#discussion_r263085452
##########
File path:
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/security/AWSV4AuthValidator.java
##########
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.ozone.security;
+
+import org.apache.hadoop.util.StringUtils;
+import org.apache.kerby.util.Hex;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * AWS v4 authentication payload validator. For more details refer to AWS
+ * documentation https://docs.aws.amazon.com/general/latest/gr/
+ * sigv4-create-canonical-request.html.
+ **/
+final class AWSV4AuthValidator {
+
+ private final static Logger LOG =
+ LoggerFactory.getLogger(AWSV4AuthValidator.class);
+ private static final String HMAC_SHA256_ALGORITHM = "HmacSHA256";
+ private static final Charset UTF_8 = Charset.forName("utf-8");
+
+ private AWSV4AuthValidator() {
+ }
+
+ private static String urlDecode(String str) {
+ try {
+ return URLDecoder.decode(str, UTF_8.name());
+ } catch (UnsupportedEncodingException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static String hash(String payload) throws NoSuchAlgorithmException {
+ MessageDigest md = MessageDigest.getInstance("SHA-256");
+ md.update(payload.getBytes(UTF_8));
+ return String.format("%064x", new java.math.BigInteger(1, md.digest()));
+ }
+
+ private static byte[] sign(byte[] key, String msg) {
+ try {
+ SecretKeySpec signingKey = new SecretKeySpec(key, HMAC_SHA256_ALGORITHM);
+ Mac mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
+ mac.init(signingKey);
+ return mac.doFinal(msg.getBytes(StandardCharsets.UTF_8));
+ } catch (GeneralSecurityException gse) {
+ throw new RuntimeException(gse);
+ }
+ }
+
+ private static byte[] getSignatureKey(String key, String strToSign) {
+ String[] signData = StringUtils.split(StringUtils.split(strToSign,
+ '\n')[2], '/');
+ String dateStamp = signData[0];
+ String regionName = signData[1];
+ String serviceName = signData[2];
+ byte[] kDate = sign(("AWS4" + key).getBytes(UTF_8), dateStamp);
+ byte[] kRegion = sign(kDate, regionName);
+ byte[] kService = sign(kRegion, serviceName);
+ byte[] kSigning = sign(kService, "aws4_request");
+ LOG.info(Hex.encode(kSigning));
+ return kSigning;
+ }
+
+ /**
+ * Validate request. Returns true if aws request is legit else returns false.
+ */
+ public static boolean validateRequest(String strToSign, String signature,
+ String userKey) {
+ String expectedSignature = Hex.encode(sign(getSignatureKey(
Review comment:
Can we move this line in to a method say getSignature()
As from the doc, this is signature.
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Issue Time Tracking
-------------------
Worklog Id: (was: 209054)
Time Spent: 26h (was: 25h 50m)
> Enable token based authentication for S3 api
> --------------------------------------------
>
> Key: HDDS-1043
> URL: https://issues.apache.org/jira/browse/HDDS-1043
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Ajay Kumar
> Assignee: Ajay Kumar
> Priority: Blocker
> Labels: pull-request-available, security
> Fix For: 0.4.0
>
> Attachments: HDDS-1043.00.patch, HDDS-1043.01.patch,
> HDDS-1043.02.patch, HDDS-1043.03.patch, HDDS-1043.04.patch,
> HDDS-1043.05.patch, HDDS-1043.06.patch, HDDS-1043.07.patch
>
> Time Spent: 26h
> Remaining Estimate: 0h
>
> Ozone has a S3 api and mechanism to create S3 like secrets for user. This
> jira proposes hadoop compatible token based authentication for S3 api which
> utilizes S3 secret stored in OM.
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