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fix: use unused cacheMetrics code in prometheus (#9588)

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remove all other unusued/deadcode
This commit is contained in:
Harshavardhana
2020-05-13 08:15:26 -07:00
committed by GitHub
parent 2ecf5ba1de
commit 6ac48a65cb
19 changed files with 4 additions and 195 deletions
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43
cmd/encryption-v1.go
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@@ -301,24 +301,6 @@ func decryptObjectInfo(key []byte, bucket, object string, metadata map[string]st
}
}
func newDecryptWriterWithObjectKey(client io.Writer, objectEncryptionKey []byte, seqNumber uint32, metadata map[string]string) (io.WriteCloser, error) {
writer, err := sio.DecryptWriter(client, sio.Config{
Key: objectEncryptionKey,
SequenceNumber: seqNumber,
})
if err != nil {
return nil, crypto.ErrInvalidCustomerKey
}
delete(metadata, crypto.SSEIV)
delete(metadata, crypto.SSESealAlgorithm)
delete(metadata, crypto.SSECSealedKey)
delete(metadata, crypto.SSEMultipart)
delete(metadata, crypto.S3SealedKey)
delete(metadata, crypto.S3KMSSealedKey)
delete(metadata, crypto.S3KMSKeyID)
return writer, nil
}
// Adding support for reader based interface
// DecryptRequestWithSequenceNumberR - same as
@@ -541,31 +523,6 @@ func (d *DecryptBlocksReader) Read(p []byte) (int, error) {
return len(p), nil
}
// getEncryptedSinglePartOffsetLength - fetch sequence number, encrypted start offset and encrypted length.
func getEncryptedSinglePartOffsetLength(offset, length int64, objInfo ObjectInfo) (seqNumber uint32, encOffset int64, encLength int64) {
onePkgSize := int64(SSEDAREPackageBlockSize + SSEDAREPackageMetaSize)
seqNumber = uint32(offset / SSEDAREPackageBlockSize)
encOffset = int64(seqNumber) * onePkgSize
// The math to compute the encrypted length is always
// originalLength i.e (offset+length-1) to be divided under
// 64KiB blocks which is the payload size for each encrypted
// block. This is then multiplied by final package size which
// is basically 64KiB + 32. Finally negate the encrypted offset
// to get the final encrypted length on disk.
encLength = ((offset+length)/SSEDAREPackageBlockSize)*onePkgSize - encOffset
// Check for the remainder, to figure if we need one extract package to read from.
if (offset+length)%SSEDAREPackageBlockSize > 0 {
encLength += onePkgSize
}
if encLength+encOffset > objInfo.EncryptedSize() {
encLength = objInfo.EncryptedSize() - encOffset
}
return seqNumber, encOffset, encLength
}
// DecryptedSize returns the size of the object after decryption in bytes.
// It returns an error if the object is not encrypted or marked as encrypted
// but has an invalid size.