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ceph-csi/vendor/github.com/aws/smithy-go/encoding/xml/element.go
Rakshith R 4f0bb2315b rbd: add aws-sts-metdata encryption type
With Amazon STS and kubernetes cluster is configured with
OIDC identity provider, credentials to access Amazon KMS
can be fetched using oidc-token(serviceaccount token).
Each tenant/namespace needs to create a secret with aws region,
role and CMK ARN.
Ceph-CSI will assume the given role with oidc token and access
aws KMS, with given CMK to encrypt/decrypt DEK which will stored
in the image metdata.

Refer: https://docs.aws.amazon.com/STS/latest/APIReference/welcome.html
Resolves: 

Signed-off-by: Rakshith R <rar@redhat.com>
2022-03-16 07:29:56 +00:00

92 lines
2.1 KiB
Go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Copied and modified from Go 1.14 stdlib's encoding/xml
package xml
// A Name represents an XML name (Local) annotated
// with a name space identifier (Space).
// In tokens returned by Decoder.Token, the Space identifier
// is given as a canonical URL, not the short prefix used
// in the document being parsed.
type Name struct {
Space, Local string
}
// An Attr represents an attribute in an XML element (Name=Value).
type Attr struct {
Name Name
Value string
}
/*
NewAttribute returns a pointer to an attribute.
It takes in a local name aka attribute name, and value
representing the attribute value.
*/
func NewAttribute(local, value string) Attr {
return Attr{
Name: Name{
Local: local,
},
Value: value,
}
}
/*
NewNamespaceAttribute returns a pointer to an attribute.
It takes in a local name aka attribute name, and value
representing the attribute value.
NewNamespaceAttribute appends `xmlns:` in front of namespace
prefix.
For creating a name space attribute representing
`xmlns:prefix="http://example.com`, the breakdown would be:
local = "prefix"
value = "http://example.com"
*/
func NewNamespaceAttribute(local, value string) Attr {
attr := NewAttribute(local, value)
// default name space identifier
attr.Name.Space = "xmlns"
return attr
}
// A StartElement represents an XML start element.
type StartElement struct {
Name Name
Attr []Attr
}
// Copy creates a new copy of StartElement.
func (e StartElement) Copy() StartElement {
attrs := make([]Attr, len(e.Attr))
copy(attrs, e.Attr)
e.Attr = attrs
return e
}
// End returns the corresponding XML end element.
func (e StartElement) End() EndElement {
return EndElement{e.Name}
}
// returns true if start element local name is empty
func (e StartElement) isZero() bool {
return len(e.Name.Local) == 0
}
// An EndElement represents an XML end element.
type EndElement struct {
Name Name
}
// returns true if end element local name is empty
func (e EndElement) isZero() bool {
return len(e.Name.Local) == 0
}