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Subject [GitHub] [hadoop] ajayydv commented on a change in pull request #561: HDDS-1043. Enable token based authentication for S3 api.
Date Wed, 06 Mar 2019 18:55:04 GMT
ajayydv commented on a change in pull request #561: HDDS-1043. Enable token based authentication
for S3 api.
URL: https://github.com/apache/hadoop/pull/561#discussion_r263085093

 File path: hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/AWSV4AuthParser.java
 @@ -0,0 +1,302 @@
+ * 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.s3;
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.ozone.s3.exception.OS3Exception;
+import org.apache.hadoop.ozone.s3.header.AuthorizationHeaderV4;
+import org.apache.hadoop.ozone.s3.header.Credential;
+import org.apache.kerby.util.Hex;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.core.MultivaluedMap;
+import java.io.UnsupportedEncodingException;
+import java.net.InetAddress;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URLEncoder;
+import java.net.UnknownHostException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import static java.time.temporal.ChronoUnit.SECONDS;
+import static org.apache.hadoop.ozone.s3.exception.S3ErrorTable.S3_TOKEN_CREATION_ERROR;
+import static org.apache.hadoop.ozone.s3.header.AWSConstants.PRESIGN_URL_MAX_EXPIRATION_SECONDS;
+import static org.apache.hadoop.ozone.s3.header.AWSConstants.TIME_FORMATTER;
+ * Parser to process AWS v4 auth request. Creates string to sign and auth
+ * header. For more details refer to AWS documentation https://docs.aws
+ * .amazon.com/general/latest/gr/sigv4-create-canonical-request.html.
+ **/
+public class AWSV4AuthParser implements AWSAuthParser {
 Review comment:
   renamed the member field to v4Header. AuthorizationHeaderV4 parses just the auth header
while AWSAuthParser parses the whole request(to construct "String to sign"). IMO it makes
sense to use AuthorizationHeaderV4 inside AWSAuthParser for modularity.

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