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Add GetObjectNInfo to object layer (#6449)

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The new call combines GetObjectInfo and GetObject, and returns an
object with a ReadCloser interface.

Also adds a number of end-to-end encryption tests at the handler
level.
This commit is contained in:
Aditya Manthramurthy
2018-09-20 19:22:09 -07:00
committed by Harshavardhana
parent 7d0645fb3a
commit 36e51d0cee
30 changed files with 2335 additions and 439 deletions
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22
cmd/gateway/gcs/gateway-gcs.go
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@@ -736,6 +736,28 @@ func (l *gcsGateway) ListObjectsV2(ctx context.Context, bucket, prefix, continua
}, nil
}
// GetObjectNInfo - returns object info and locked object ReadCloser
func (l *gcsGateway) GetObjectNInfo(ctx context.Context, bucket, object string, rs *minio.HTTPRangeSpec, h http.Header) (gr *minio.GetObjectReader, err error) {
var objInfo minio.ObjectInfo
objInfo, err = l.GetObjectInfo(ctx, bucket, object, minio.ObjectOptions{})
if err != nil {
return nil, err
}
var startOffset, length int64
startOffset, length, err = rs.GetOffsetLength(objInfo.Size)
if err != nil {
return nil, err
}
pr, pw := io.Pipe()
go func() {
err := l.GetObject(ctx, bucket, object, startOffset, length, pw, objInfo.ETag, minio.ObjectOptions{})
pw.CloseWithError(err)
}()
return minio.NewGetObjectReaderFromReader(pr, objInfo), nil
}
// GetObject - reads an object from GCS. Supports additional
// parameters like offset and length which are synonymous with
// HTTP Range requests.