fix: disable server side checksum (#2519)

Signed-off-by: Miguel Martinez <miguel@chainloop.dev>

Author: migmartri

pkg/blobmanager/s3/backend.go

@@ -164,10 +164,10 @@ func (b *Backend) Upload(ctx context.Context, r io.Reader, resource *pb.CASResou
 		},
 	}
 
-	if b.checksumVerificationEnabled() {
-		// Check that the object is uploaded correctly
-		input.ChecksumSHA256 = aws.String(hexSha256ToBinaryB64(resource.Digest))
-	}
+	// if b.checksumVerificationEnabled() {
+	// 	// Check that the object is uploaded correctly
+	// 	input.ChecksumSHA256 = aws.String(hexSha256ToBinaryB64(resource.Digest))
+	// }
 
 	if _, err := uploader.Upload(ctx, input); err != nil {
 		return fmt.Errorf("failed to upload to bucket: %w", err)

pkg/blobmanager/s3/backend_test.go

@@ -246,11 +246,11 @@ func (s *testSuite) TestDownload() {
 		s.Equal("test", buf.String())
 	})
 
-	s.T().Run("it's been tampered", func(t *testing.T) {
-		buf := bytes.NewBuffer(nil)
-		err := s.backend.Download(context.Background(), buf, s.tamperedObjectDigest)
-		s.ErrorContains(err, "failed to validate integrity of object")
-	})
+	// s.T().Run("it's been tampered", func(t *testing.T) {
+	// 	buf := bytes.NewBuffer(nil)
+	// 	err := s.backend.Download(context.Background(), buf, s.tamperedObjectDigest)
+	// 	s.ErrorContains(err, "failed to validate integrity of object")
+	// })
 }
 
 type testSuite struct {