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confirm the requested schema version matches the returned (#148)

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Darrian 2018-11-14 14:51:57 +00:00 committed by Jess Frazelle
parent cbabe28c68
commit 478c4dadc6
1 changed files with 14 additions and 0 deletions
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14
registry/manifest.go
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@ -3,6 +3,7 @@ package registry
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
@ -13,6 +14,11 @@ import (
"github.com/docker/distribution/manifest/schema2"
)
var (
// ErrUnexpectedSchemaVersion a specific schema version was requested, but was not returned
ErrUnexpectedSchemaVersion = errors.New("recieved a different schema version than expected")
)
// Manifest returns the manifest for a specific repository:tag.
func (r *Registry) Manifest(repository, ref string) (distribution.Manifest, error) {
uri := r.url("/v2/%s/manifests/%s", repository, ref)
@ -70,6 +76,10 @@ func (r *Registry) ManifestV2(repository, ref string) (schema2.Manifest, error)
return m, err
}
if m.Versioned.SchemaVersion != 2 {
return m, ErrUnexpectedSchemaVersion
}
return m, nil
}
@ -84,6 +94,10 @@ func (r *Registry) ManifestV1(repository, ref string) (schema1.SignedManifest, e
return m, err
}
if m.Versioned.SchemaVersion != 1 {
return m, ErrUnexpectedSchemaVersion
}
return m, nil
}