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37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package oci
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import (
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"strings"
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)
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const (
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MediaTypeImageManifest = "application/vnd.oci.image.manifest.v1+json"
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MediaTypeImageIndex = "application/vnd.oci.image.index.v1+json"
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MediaTypeDockerManifest = "application/vnd.docker.distribution.manifest.v2+json"
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MediaTypeDockerManifestList = "application/vnd.docker.distribution.manifest.list.v2+json"
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)
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type MediaType string
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// IsValid tests if the media type is in the OCI or Docker namespace
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func (m MediaType) IsValid() bool {
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s := string(m)
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return strings.HasPrefix(s, "application/vnd.docker.") || strings.HasPrefix(s, "application/vnd.oci.")
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}
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// IsImageManifest tests if the media type is an image manifest
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func (m MediaType) IsImageManifest() bool {
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s := string(m)
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return strings.EqualFold(s, MediaTypeDockerManifest) || strings.EqualFold(s, MediaTypeImageManifest)
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}
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// IsImageIndex tests if the media type is an image index
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func (m MediaType) IsImageIndex() bool {
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s := string(m)
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return strings.EqualFold(s, MediaTypeDockerManifestList) || strings.EqualFold(s, MediaTypeImageIndex)
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}
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