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Add multipart support in SSE-C encryption (#5576)

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*) Add Put/Get support of multipart in encryption
*) Add GET Range support for encryption
*) Add CopyPart encrypted support
*) Support decrypting of large single PUT object
This commit is contained in:
Anis Elleuch
2018-03-01 20:37:57 +01:00
committed by kannappanr
parent d32f90fe95
commit 120b061966
15 changed files with 594 additions and 229 deletions
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32
cmd/xl-sets.go
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@@ -783,36 +783,20 @@ func (s *xlSets) CopyObjectPart(srcBucket, srcObject, destBucket, destObject str
srcSet := s.getHashedSet(srcObject)
destSet := s.getHashedSet(destObject)
// Initialize pipe to stream from source.
pipeReader, pipeWriter := io.Pipe()
go func() {
if gerr := srcSet.GetObject(srcBucket, srcObject, startOffset, length, pipeWriter, srcInfo.ETag); gerr != nil {
if gerr := srcSet.GetObject(srcBucket, srcObject, startOffset, length, srcInfo.Writer, srcInfo.ETag); gerr != nil {
if gerr = srcInfo.Writer.Close(); gerr != nil {
errorIf(gerr, "Unable to read %s of the object `%s/%s`.", srcBucket, srcObject)
return
}
}
if gerr := srcInfo.Writer.Close(); gerr != nil {
errorIf(gerr, "Unable to read %s of the object `%s/%s`.", srcBucket, srcObject)
pipeWriter.CloseWithError(toObjectErr(gerr, srcBucket, srcObject))
return
}
// Close writer explicitly signalling we wrote all data.
pipeWriter.Close()
return
}()
hashReader, err := hash.NewReader(pipeReader, length, "", "")
if err != nil {
pipeReader.CloseWithError(err)
return partInfo, toObjectErr(errors.Trace(err), destBucket, destObject)
}
partInfo, err = destSet.PutObjectPart(destBucket, destObject, uploadID, partID, hashReader)
if err != nil {
pipeReader.CloseWithError(err)
return partInfo, err
}
// Close the pipe
pipeReader.Close()
return partInfo, nil
return destSet.PutObjectPart(destBucket, destObject, uploadID, partID, srcInfo.Reader)
}
// PutObjectPart - writes part of an object to hashedSet based on the object name.