schema1: Validate descriptors in AppendReference
If the digest is malformed, it will cause a panic when building the manifest. Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
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@ -240,8 +240,13 @@ func (mb *configManifestBuilder) emptyTar(ctx context.Context) (digest.Digest, e
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// AppendReference adds a reference to the current ManifestBuilder
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func (mb *configManifestBuilder) AppendReference(d distribution.Describable) error {
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// todo: verification here?
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mb.descriptors = append(mb.descriptors, d.Descriptor())
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descriptor := d.Descriptor()
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if err := descriptor.Digest.Validate(); err != nil {
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return err
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}
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mb.descriptors = append(mb.descriptors, descriptor)
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return nil
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}
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