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Golang Image.Manifest方法代碼示例

本文整理匯總了Golang中github.com/containers/image/types.Image.Manifest方法的典型用法代碼示例。如果您正苦於以下問題:Golang Image.Manifest方法的具體用法?Golang Image.Manifest怎麽用?Golang Image.Manifest使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

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
}
開發者ID:Ch3ck,項目名稱:image,代碼行數:83,代碼來源:policy_eval_signedby.go


注:本文中的github.com/containers/image/types.Image.Manifest方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。