Gargi-jais11 commented on code in PR #9457:
URL: https://github.com/apache/ozone/pull/9457#discussion_r2626430995


##########
hadoop-ozone/integration-test-s3/src/test/java/org/apache/hadoop/ozone/s3/awssdk/v1/AbstractS3SDKV1Tests.java:
##########
@@ -1384,6 +1387,86 @@ public void testPresignedUrlDelete() throws IOException {
     }
   }
 
+  @Nested
+  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
+  static class BucketOwnershipLinkBucketTests {
+    private String nonS3VolumeName;
+    private String linkBucketName;
+    private String sourceBucketName;
+    private String danglingSourceBucketName;
+    private String danglingLinkBucketName;
+    private OzoneVolume nonS3Volume;
+    private OzoneVolume s3Volume;
+
+    @BeforeAll
+    public void setup() throws Exception {
+      nonS3VolumeName = randomName("link-vol");
+      linkBucketName = randomName("link-bucket");
+      sourceBucketName = randomName("source");
+      danglingSourceBucketName = randomName("link-source");
+      danglingLinkBucketName = randomName("link-bucket-dangling");
+      try (OzoneClient ozoneClient = cluster.newClient()) {
+        ObjectStore store = ozoneClient.getObjectStore();
+        store.createVolume(nonS3VolumeName);
+        nonS3Volume = store.getVolume(nonS3VolumeName);
+        s3Volume = store.getS3Volume();
+      }
+    }
+
+    @Test
+    public void setBucketVerificationOnLinkBucket() throws Exception {
+      nonS3Volume.createBucket(sourceBucketName);
+      BucketArgs.Builder bb = new BucketArgs.Builder()
+          .setStorageType(StorageType.DEFAULT)
+          .setVersioning(false)
+          .setSourceVolume(nonS3VolumeName)
+          .setSourceBucket(sourceBucketName);
+      s3Volume.createBucket(linkBucketName, bb.build());
+
+      GetBucketAclRequest wrongRequest = new 
GetBucketAclRequest(linkBucketName)
+          .withExpectedBucketOwner("wrong-owner");
+      AmazonServiceException wrongOwner = 
assertThrows(AmazonServiceException.class,
+          () -> s3Client.getBucketAcl(wrongRequest));
+      assertEquals(403, wrongOwner.getStatusCode());
+      assertEquals("AccessDenied", wrongOwner.getErrorCode());
+
+      Owner owner = s3Client.getBucketAcl(linkBucketName).getOwner();
+      GetBucketAclRequest correctRequest = new 
GetBucketAclRequest(linkBucketName)
+          .withExpectedBucketOwner(owner.getDisplayName());
+      assertDoesNotThrow(() -> s3Client.getBucketAcl(correctRequest));
+    }
+
+    @Test
+    public void testDanglingBucket() throws Exception {
+      nonS3Volume.createBucket(danglingSourceBucketName);
+      BucketArgs.Builder bb = new BucketArgs.Builder()
+          .setStorageType(StorageType.DEFAULT)
+          .setVersioning(false)
+          .setSourceVolume(nonS3VolumeName)
+          .setSourceBucket(danglingSourceBucketName);
+      s3Volume.createBucket(danglingLinkBucketName, bb.build());
+
+      nonS3Volume.deleteBucket(danglingSourceBucketName);
+
+      GetBucketAclRequest wrongRequest = new 
GetBucketAclRequest(danglingLinkBucketName)
+          .withExpectedBucketOwner("wrong-owner");
+      AmazonServiceException wrongOwner = 
assertThrows(AmazonServiceException.class,
+          () -> s3Client.getBucketAcl(wrongRequest));
+      assertEquals(403, wrongOwner.getStatusCode());

Review Comment:
   use `HttpURLConnection.HTTP_FORBIDDEN`



##########
hadoop-ozone/integration-test-s3/src/test/java/org/apache/hadoop/ozone/s3/awssdk/v2/AbstractS3SDKV2Tests.java:
##########
@@ -383,6 +387,215 @@ public void testCopyObject() {
     assertEquals("\"37b51d194a7513e45b56f6524f2d51f2\"", 
copyObjectResponse.copyObjectResult().eTag());
   }
 
+  @Test
+  public void testPutAndGetObjectTagging() {
+    final String bucketName = getBucketName();
+    final String keyName = getKeyName();
+    final String content = "test content";
+    s3Client.createBucket(b -> b.bucket(bucketName));
+
+    s3Client.putObject(b -> b
+            .bucket(bucketName)
+            .key(keyName),
+        RequestBody.fromString(content));
+
+    List<Tag> tags = Arrays.asList(
+        Tag.builder().key("env").value("test").build(),
+        Tag.builder().key("project").value("ozone").build()
+    );
+
+    s3Client.putObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName)
+        .tagging(Tagging.builder().tagSet(tags).build()));
+
+    GetObjectTaggingResponse getResponse = s3Client.getObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName));
+
+    assertEquals(tags.size(), getResponse.tagSet().size());
+    Map<String, String> tagMap = getResponse.tagSet().stream()
+        .collect(Collectors.toMap(Tag::key, Tag::value));
+    assertEquals("test", tagMap.get("env"));
+    assertEquals("ozone", tagMap.get("project"));
+  }
+
+  @Test
+  public void testDeleteObjectTagging() {
+    final String bucketName = getBucketName();
+    final String keyName = getKeyName();
+    final String content = "test content";
+    s3Client.createBucket(b -> b.bucket(bucketName));
+
+    s3Client.putObject(b -> b
+            .bucket(bucketName)
+            .key(keyName),
+        RequestBody.fromString(content));
+
+    List<Tag> tags = Arrays.asList(
+        Tag.builder().key("temp").value("data").build()
+    );
+
+    s3Client.putObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName)
+        .tagging(Tagging.builder().tagSet(tags).build()));
+
+    GetObjectTaggingResponse beforeDelete = s3Client.getObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName));
+    assertEquals(1, beforeDelete.tagSet().size());
+
+    s3Client.deleteObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName));
+
+    GetObjectTaggingResponse afterDelete = s3Client.getObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName));
+    assertTrue(afterDelete.tagSet().isEmpty());
+  }
+
+  @Test
+  public void testPutObjectTaggingExceedsLimit() {
+    final String bucketName = getBucketName();
+    final String keyName = getKeyName();
+    s3Client.createBucket(b -> b.bucket(bucketName));
+    s3Client.putObject(b -> b.bucket(bucketName).key(keyName),
+        RequestBody.fromString("content"));
+
+    List<Tag> tags = new ArrayList<>();
+    for (int i = 1; i <= 11; i++) {
+      tags.add(Tag.builder().key("key" + i).value("value" + i).build());
+    }
+
+    S3Exception exception = assertThrows(S3Exception.class, () ->
+        s3Client.putObjectTagging(b -> b
+            .bucket(bucketName)
+            .key(keyName)
+            .tagging(Tagging.builder().tagSet(tags).build())));
+    assertEquals(HttpURLConnection.HTTP_BAD_REQUEST, exception.statusCode());
+  }
+
+  @Test
+  public void testPutObjectTaggingReplacesExistingTags() {
+    final String bucketName = getBucketName();
+    final String keyName = getKeyName();
+    s3Client.createBucket(b -> b.bucket(bucketName));
+    s3Client.putObject(b -> b.bucket(bucketName).key(keyName),
+        RequestBody.fromString("content"));
+
+    List<Tag> initialTags = Arrays.asList(
+        Tag.builder().key("tag1").value("value1").build(),
+        Tag.builder().key("tag2").value("value2").build()
+    );
+    s3Client.putObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName)
+        .tagging(Tagging.builder().tagSet(initialTags).build()));
+
+    List<Tag> replacementTags = Arrays.asList(
+        Tag.builder().key("tag3").value("value3").build()
+    );
+    s3Client.putObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName)
+        .tagging(Tagging.builder().tagSet(replacementTags).build()));
+
+    GetObjectTaggingResponse response = s3Client.getObjectTagging(b -> b
+        .bucket(bucketName)
+        .key(keyName));
+    assertEquals(1, response.tagSet().size());
+    Map<String, String> tagMap = response.tagSet().stream()
+        .collect(Collectors.toMap(Tag::key, Tag::value));
+    assertEquals("value3", tagMap.get("tag3"));
+    assertFalse(tagMap.containsKey("tag1"));
+    assertFalse(tagMap.containsKey("tag2"));
+  }
+
+  private static String repeatChar(char c, int count) {
+    StringBuilder sb = new StringBuilder(count);
+    for (int i = 0; i < count; i++) {
+      sb.append(c);
+    }
+    return sb.toString();
+  }
+
+  private static Stream<Arguments> invalidTagConstraintsProvider() {
+    return Stream.of(
+        Arguments.of(
+            Arrays.asList(Tag.builder().key(repeatChar('a', 
129)).value("value").build()),
+            400
+        ),
+        Arguments.of(
+            Arrays.asList(Tag.builder().key("valid-key").value(repeatChar('b', 
257)).build()),
+            400
+        ),
+        Arguments.of(
+            
Arrays.asList(Tag.builder().key("t$ag@#invalid").value("value").build()),
+            400
+        ),
+        Arguments.of(
+            
Arrays.asList(Tag.builder().key("aws:test").value("value").build()),
+            400

Review Comment:
    Use `HTTP_BAD_REQUEST` in this Parameterised test.



##########
hadoop-ozone/integration-test-s3/src/test/java/org/apache/hadoop/ozone/s3/awssdk/v1/AbstractS3SDKV1Tests.java:
##########
@@ -1384,6 +1387,86 @@ public void testPresignedUrlDelete() throws IOException {
     }
   }
 
+  @Nested
+  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
+  static class BucketOwnershipLinkBucketTests {
+    private String nonS3VolumeName;
+    private String linkBucketName;
+    private String sourceBucketName;
+    private String danglingSourceBucketName;
+    private String danglingLinkBucketName;
+    private OzoneVolume nonS3Volume;
+    private OzoneVolume s3Volume;
+
+    @BeforeAll
+    public void setup() throws Exception {
+      nonS3VolumeName = randomName("link-vol");
+      linkBucketName = randomName("link-bucket");
+      sourceBucketName = randomName("source");
+      danglingSourceBucketName = randomName("link-source");
+      danglingLinkBucketName = randomName("link-bucket-dangling");
+      try (OzoneClient ozoneClient = cluster.newClient()) {
+        ObjectStore store = ozoneClient.getObjectStore();
+        store.createVolume(nonS3VolumeName);
+        nonS3Volume = store.getVolume(nonS3VolumeName);
+        s3Volume = store.getS3Volume();
+      }
+    }
+
+    @Test
+    public void setBucketVerificationOnLinkBucket() throws Exception {
+      nonS3Volume.createBucket(sourceBucketName);
+      BucketArgs.Builder bb = new BucketArgs.Builder()
+          .setStorageType(StorageType.DEFAULT)
+          .setVersioning(false)
+          .setSourceVolume(nonS3VolumeName)
+          .setSourceBucket(sourceBucketName);
+      s3Volume.createBucket(linkBucketName, bb.build());
+
+      GetBucketAclRequest wrongRequest = new 
GetBucketAclRequest(linkBucketName)
+          .withExpectedBucketOwner("wrong-owner");
+      AmazonServiceException wrongOwner = 
assertThrows(AmazonServiceException.class,
+          () -> s3Client.getBucketAcl(wrongRequest));
+      assertEquals(403, wrongOwner.getStatusCode());

Review Comment:
   Use `HttpURLConnection.HTTP_FORBIDDEN`



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