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61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Polyform License
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// that can be found in the LICENSE file.
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package manifest
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import (
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"errors"
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"github.com/buildkite/yaml"
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)
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var _ Resource = (*Signature)(nil)
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type (
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// Signature is a resource that provides an hmac
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// signature of combined resources. This signature
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// can be used to validate authenticity and prevent
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// tampering.
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Signature struct {
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Version string `json:"version,omitempty"`
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Kind string `json:"kind"`
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Type string `json:"type"`
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Name string `json:"name"`
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Hmac string `json:"hmac"`
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}
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)
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func init() {
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Register(signatureFunc)
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}
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func signatureFunc(r *RawResource) (Resource, bool, error) {
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if r.Kind != KindSignature {
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return nil, false, nil
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}
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out := new(Signature)
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err := yaml.Unmarshal(r.Data, out)
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return out, true, err
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}
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// GetVersion returns the resource version.
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func (s *Signature) GetVersion() string { return s.Version }
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// GetKind returns the resource kind.
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func (s *Signature) GetKind() string { return s.Kind }
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// GetType returns the resource type.
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func (s *Signature) GetType() string { return s.Type }
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// GetName returns the resource name.
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func (s *Signature) GetName() string { return s.Name }
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// Validate returns an error if the signature is invalid.
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func (s Signature) Validate() error {
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if s.Hmac == "" {
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return errors.New("yaml: invalid signature. missing hash")
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}
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return nil
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}
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