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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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13
cmd/xl-v1-metadata.go
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@@ -312,6 +312,9 @@ func (m xlMetaV1) ToObjectInfo(bucket, object string) ObjectInfo {
// response headers. e.g, X-Minio-* or X-Amz-*.
objInfo.UserDefined = cleanMetadata(m.Meta)
// All the parts per object.
objInfo.Parts = m.Parts
// Success.
return objInfo
}
@@ -388,16 +391,16 @@ func pickValidXLMeta(metaArr []xlMetaV1, modTime time.Time) (xmv xlMetaV1, e err
var objMetadataOpIgnoredErrs = append(baseIgnoredErrs, errDiskAccessDenied, errVolumeNotFound, errFileNotFound, errFileAccessDenied, errCorruptedFormat)
// readXLMetaParts - returns the XL Metadata Parts from xl.json of one of the disks picked at random.
func (xl xlObjects) readXLMetaParts(bucket, object string) (xlMetaParts []objectPartInfo, err error) {
func (xl xlObjects) readXLMetaParts(bucket, object string) (xlMetaParts []objectPartInfo, xlMeta map[string]string, err error) {
var ignoredErrs []error
for _, disk := range xl.getLoadBalancedDisks() {
if disk == nil {
ignoredErrs = append(ignoredErrs, errDiskNotFound)
continue
}
xlMetaParts, err = readXLMetaParts(disk, bucket, object)
xlMetaParts, xlMeta, err = readXLMetaParts(disk, bucket, object)
if err == nil {
return xlMetaParts, nil
return xlMetaParts, xlMeta, nil
}
// For any reason disk or bucket is not available continue
// and read from other disks.
@@ -406,12 +409,12 @@ func (xl xlObjects) readXLMetaParts(bucket, object string) (xlMetaParts []object
continue
}
// Error is not ignored, return right here.
return nil, err
return nil, nil, err
}
// If all errors were ignored, reduce to maximal occurrence
// based on the read quorum.
readQuorum := len(xl.getDisks()) / 2
return nil, reduceReadQuorumErrs(ignoredErrs, nil, readQuorum)
return nil, nil, reduceReadQuorumErrs(ignoredErrs, nil, readQuorum)
}
// readXLMetaStat - return xlMetaV1.Stat and xlMetaV1.Meta from one of the disks picked at random.