本文整理汇总了Golang中github.com/containers/image/types.Image.Manifest方法的典型用法代码示例。如果您正苦于以下问题:Golang Image.Manifest方法的具体用法?Golang Image.Manifest怎么用?Golang Image.Manifest使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/containers/image/types.Image
的用法示例。
在下文中一共展示了Image.Manifest方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: isSignatureAuthorAccepted
func (pr *prSignedBy) isSignatureAuthorAccepted(image types.Image, sig []byte) (signatureAcceptanceResult, *Signature, error) {
switch pr.KeyType {
case SBKeyTypeGPGKeys:
case SBKeyTypeSignedByGPGKeys, SBKeyTypeX509Certificates, SBKeyTypeSignedByX509CAs:
// FIXME? Reject this at policy parsing time already?
return sarRejected, nil, fmt.Errorf(`"Unimplemented "keyType" value "%s"`, string(pr.KeyType))
default:
// This should never happen, newPRSignedBy ensures KeyType.IsValid()
return sarRejected, nil, fmt.Errorf(`"Unknown "keyType" value "%s"`, string(pr.KeyType))
}
if pr.KeyPath != "" && pr.KeyData != nil {
return sarRejected, nil, errors.New(`Internal inconsistency: both "keyPath" and "keyData" specified`)
}
// FIXME: move this to per-context initialization
var data []byte
if pr.KeyData != nil {
data = pr.KeyData
} else {
d, err := ioutil.ReadFile(pr.KeyPath)
if err != nil {
return sarRejected, nil, err
}
data = d
}
// FIXME: move this to per-context initialization
dir, err := ioutil.TempDir("", "skopeo-signedBy-")
if err != nil {
return sarRejected, nil, err
}
defer os.RemoveAll(dir)
mech, err := newGPGSigningMechanismInDirectory(dir)
if err != nil {
return sarRejected, nil, err
}
trustedIdentities, err := mech.ImportKeysFromBytes(data)
if err != nil {
return sarRejected, nil, err
}
if len(trustedIdentities) == 0 {
return sarRejected, nil, PolicyRequirementError("No public keys imported")
}
signature, err := verifyAndExtractSignature(mech, sig, signatureAcceptanceRules{
validateKeyIdentity: func(keyIdentity string) error {
for _, trustedIdentity := range trustedIdentities {
if keyIdentity == trustedIdentity {
return nil
}
}
// Coverage: We use a private GPG home directory and only import trusted keys, so this should
// not be reachable.
return PolicyRequirementError(fmt.Sprintf("Signature by key %s is not accepted", keyIdentity))
},
validateSignedDockerReference: func(ref string) error {
if !pr.SignedIdentity.matchesDockerReference(image, ref) {
return PolicyRequirementError(fmt.Sprintf("Signature for identity %s is not accepted", ref))
}
return nil
},
validateSignedDockerManifestDigest: func(digest string) error {
m, _, err := image.Manifest()
if err != nil {
return err
}
digestMatches, err := manifest.MatchesDigest(m, digest)
if err != nil {
return err
}
if !digestMatches {
return PolicyRequirementError(fmt.Sprintf("Signature for digest %s does not match", digest))
}
return nil
},
})
if err != nil {
return sarRejected, nil, err
}
return sarAccepted, signature, nil
}