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27 lines
488 B
27 lines
488 B
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package oci
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import (
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"regexp"
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"strings"
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)
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var digestPattern = regexp.MustCompile(`\Asha256:[a-f0-9]{64}\z`)
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type Digest string
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// Validate checks if the digest has a valid SHA256 signature
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func (d Digest) Validate() bool {
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return digestPattern.MatchString(string(d))
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}
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func (d Digest) Hash() string {
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p := strings.SplitN(string(d), ":", 2)
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if len(p) != 2 {
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return ""
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}
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return p[1]
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}
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