HDDS-693. Support multi-chunk signatures in s3g PUT object endpoint. Contributed by Elek Marton.

(cherry picked from commit ebf8e1731d)

hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/SignedChunksInputStream.java

@@ -0,0 +1,99 @@
+/*
+ * 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 java.io.IOException;
+import java.io.InputStream;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Input stream implementation to read body with chunked signatures.
+ * <p>
+ * see: https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html
+ */
+public class SignedChunksInputStream extends InputStream {
+
+  private Pattern signatureLinePattern =
+      Pattern.compile("([0-9A-Fa-f]+);chunk-signature=.*");
+
+  private InputStream originalStream;
+
+  /**
+   * Numer of following databits. If zero, the signature line should be parsed.
+   */
+  private int remainingData = 0;
+
+  public SignedChunksInputStream(InputStream inputStream) {
+    originalStream = inputStream;
+  }
+
+  @Override
+  public int read() throws IOException {
+    if (remainingData > 0) {
+      int curr = originalStream.read();
+      remainingData--;
+      if (remainingData == 0) {
+        //read the "\r\n" at the end of the data section
+        originalStream.read();
+        originalStream.read();
+      }
+      return curr;
+    } else {
+      remainingData = readHeader();
+      if (remainingData == -1) {
+        return -1;
+      }
+      return read();
+    }
+  }
+
+  private int readHeader() throws IOException {
+    int prev = -1;
+    int curr = 0;
+    StringBuilder buf = new StringBuilder();
+
+    //read everything until the next \r\n
+    while (!eol(prev, curr) && curr != -1) {
+      int next = originalStream.read();
+      if (next != -1) {
+        buf.append((char) next);
+      }
+      prev = curr;
+      curr = next;
+    }
+    String signatureLine = buf.toString().trim();
+    if (signatureLine.length() == 0) {
+      return -1;
+    }
+
+    //parse the data length.
+    Matcher matcher = signatureLinePattern.matcher(signatureLine);
+    if (matcher.matches()) {
+      return Integer.parseInt(matcher.group(1), 16);
+    } else {
+      throw new IOException("Invalid signature line: " + signatureLine);
+    }
+  }
+
+  private boolean eol(int prev, int curr) {
+    return prev == 13 && curr == 10;
+  }
+}

hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/endpoint/ObjectEndpoint.java

@@ -50,9 +50,11 @@ import org.apache.hadoop.ozone.client.OzoneBucket;
 import org.apache.hadoop.ozone.client.OzoneKeyDetails;
 import org.apache.hadoop.ozone.client.io.OzoneInputStream;
 import org.apache.hadoop.ozone.client.io.OzoneOutputStream;
+import org.apache.hadoop.ozone.s3.SignedChunksInputStream;
 import org.apache.hadoop.ozone.s3.exception.OS3Exception;
 import org.apache.hadoop.ozone.s3.exception.S3ErrorTable;
 
+import com.google.common.annotations.VisibleForTesting;
 import org.apache.commons.io.IOUtils;
 import org.apache.http.HttpStatus;
 import org.slf4j.Logger;
@@ -67,6 +69,9 @@ public class ObjectEndpoint extends EndpointBase {
   private static final Logger LOG =
       LoggerFactory.getLogger(ObjectEndpoint.class);
 
+  @Context
+  private HttpHeaders headers;
+
   private List<String> customizableGetHeaders = new ArrayList<>();
 
   public ObjectEndpoint() {
@@ -86,7 +91,6 @@ public class ObjectEndpoint extends EndpointBase {
    */
   @PUT
   public Response put(
-      @Context HttpHeaders headers,
       @PathParam("bucket") String bucketName,
       @PathParam("path") String keyPath,
       @DefaultValue("STAND_ALONE") @QueryParam("replicationType")
@@ -106,6 +110,11 @@ public class ObjectEndpoint extends EndpointBase {
       OzoneOutputStream output = bucket
           .createKey(keyPath, length, replicationType, replicationFactor);
 
+      if ("STREAMING-AWS4-HMAC-SHA256-PAYLOAD"
+          .equals(headers.getHeaderString("x-amz-content-sha256"))) {
+        body = new SignedChunksInputStream(body);
+      }
+
       IOUtils.copy(body, output);
       output.close();
 
@@ -125,7 +134,6 @@ public class ObjectEndpoint extends EndpointBase {
    */
   @GET
   public Response get(
-      @Context HttpHeaders headers,
       @PathParam("bucket") String bucketName,
       @PathParam("path") String keyPath,
       InputStream body) throws IOException, OS3Exception {
@@ -227,4 +235,8 @@ public class ObjectEndpoint extends EndpointBase {
 
   }
 
+  @VisibleForTesting
+  public void setHeaders(HttpHeaders headers) {
+    this.headers = headers;
+  }
 }

hadoop-ozone/s3gateway/src/test/java/org/apache/hadoop/ozone/s3/TestSignedChunksInputStream.java

@@ -0,0 +1,84 @@
+/*
+ * 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 java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Test input stream parsing with signatures.
+ */
+public class TestSignedChunksInputStream {
+
+  @Test
+  public void emptyfile() throws IOException {
+    InputStream is = fileContent("0;chunk-signature"
+        +
+        "=23abb2bd920ddeeaac78a63ed808bc59fa6e7d3ef0e356474b82cdc2f8c93c40");
+    String result = IOUtils.toString(is, Charset.forName("UTF-8"));
+    Assert.assertEquals("", result);
+
+    is = fileContent("0;chunk-signature"
+        +
+        "=23abb2bd920ddeeaac78a63ed808bc59fa6e7d3ef0e356474b82cdc2f8c93c40\r"
+        + "\n");
+    result = IOUtils.toString(is, Charset.forName("UTF-8"));
+    Assert.assertEquals("", result);
+  }
+
+  @Test
+  public void singlechunk() throws IOException {
+    InputStream is = fileContent("0A;chunk-signature"
+        +
+        "=23abb2bd920ddeeaac78a63ed808bc59fa6e7d3ef0e356474b82cdc2f8c93c40\r"
+        + "\n1234567890\r\n");
+    String result = IOUtils.toString(is, Charset.forName("UTF-8"));
+    Assert.assertEquals("1234567890", result);
+  }
+
+  @Test
+  public void singlechunkwithoutend() throws IOException {
+    InputStream is = fileContent("0A;chunk-signature"
+        +
+        "=23abb2bd920ddeeaac78a63ed808bc59fa6e7d3ef0e356474b82cdc2f8c93c40\r"
+        + "\n1234567890\r\n");
+    String result = IOUtils.toString(is, Charset.forName("UTF-8"));
+    Assert.assertEquals("1234567890", result);
+  }
+
+  @Test
+  public void multichunks() throws IOException {
+    InputStream is = fileContent("0a;chunk-signature=signature\r\n"
+        + "1234567890\r\n"
+        + "05;chunk-signature=signature\r\n"
+        + "abcde\r\n");
+    String result = IOUtils.toString(is, Charset.forName("UTF-8"));
+    Assert.assertEquals("1234567890abcde", result);
+  }
+
+  private InputStream fileContent(String content) {
+    return new SignedChunksInputStream(
+        new ByteArrayInputStream(content.getBytes()));
+  }
+}

hadoop-ozone/s3gateway/src/test/java/org/apache/hadoop/ozone/s3/endpoint/TestObjectGet.java

@@ -62,11 +62,11 @@ public class TestObjectGet {
     ObjectEndpoint rest = new ObjectEndpoint();
     rest.setClient(client);
     HttpHeaders headers = Mockito.mock(HttpHeaders.class);
-
+    rest.setHeaders(headers);
     ByteArrayInputStream body = new ByteArrayInputStream(CONTENT.getBytes());
 
     //WHEN
-    rest.get(headers, "b1", "key1", body);
+    rest.get("b1", "key1", body);
 
     //THEN
     OzoneInputStream ozoneInputStream =

hadoop-ozone/s3gateway/src/test/java/org/apache/hadoop/ozone/s3/endpoint/TestPutObject.java

@@ -38,6 +38,7 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
+import static org.mockito.Mockito.when;
 
 /**
  * Test put object.
@@ -70,11 +71,12 @@ public class TestPutObject {
     //GIVEN
     HttpHeaders headers = Mockito.mock(HttpHeaders.class);
     ByteArrayInputStream body = new ByteArrayInputStream(CONTENT.getBytes());
+    objectEndpoint.setHeaders(headers);
 
     //WHEN
-    Response response = objectEndpoint.put(headers, bucketName, keyName,
+    Response response = objectEndpoint.put(bucketName, keyName,
         ReplicationType.STAND_ALONE, ReplicationFactor.ONE, "32 * 1024 * 1024",
-            CONTENT.length(), body);
+        CONTENT.length(), body);
 
     //THEN
     String volumeName = clientStub.getObjectStore()
@@ -88,4 +90,39 @@ public class TestPutObject {
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(CONTENT, keyContent);
   }
+
+  @Test
+  public void testPutObjectWithSignedChunks() throws IOException, OS3Exception {
+    //GIVEN
+    HttpHeaders headers = Mockito.mock(HttpHeaders.class);
+    objectEndpoint.setHeaders(headers);
+
+    String chunkedContent = "0a;chunk-signature=signature\r\n"
+        + "1234567890\r\n"
+        + "05;chunk-signature=signature\r\n"
+        + "abcde\r\n";
+
+    when(headers.getHeaderString("x-amz-content-sha256"))
+        .thenReturn("STREAMING-AWS4-HMAC-SHA256-PAYLOAD");
+
+    //WHEN
+    Response response = objectEndpoint.put(bucketName, keyName,
+        ReplicationType.STAND_ALONE,
+        ReplicationFactor.ONE,
+        "32 * 1024 * 1024",
+        chunkedContent.length(),
+        new ByteArrayInputStream(chunkedContent.getBytes()));
+
+    //THEN
+    String volumeName = clientStub.getObjectStore()
+        .getOzoneVolumeName(bucketName);
+    OzoneInputStream ozoneInputStream =
+        clientStub.getObjectStore().getVolume(volumeName).getBucket(bucketName)
+            .readKey(keyName);
+    String keyContent =
+        IOUtils.toString(ozoneInputStream, Charset.forName("UTF-8"));
+
+    Assert.assertEquals(200, response.getStatus());
+    Assert.assertEquals("1234567890abcde", keyContent);
+  }
 }