Golang Config.Signature方法代碼示例

// newClientFromAlias gives a new client interface for matching
// alias entry in the mc config file. If no matching host config entry
// is found, fs client is returned.
func newClientFromAlias(alias string, urlStr string) (client.Client, *probe.Error) {
	hostCfg := mustGetHostConfig(alias)
	if hostCfg == nil {
		// No matching host config. So we treat it like a
		// filesystem.
		fsClient, err := fs.New(urlStr)
		if err != nil {
			return nil, err.Trace(alias, urlStr)
		}
		return fsClient, nil
	}

	// We have a valid alias and hostConfig. We populate the
	// credentials from the match found in the config file.
	s3Config := new(client.Config)
	s3Config.AccessKey = hostCfg.AccessKey
	s3Config.SecretKey = hostCfg.SecretKey
	s3Config.Signature = hostCfg.API
	s3Config.AppName = "mc"
	s3Config.AppVersion = mcVersion
	s3Config.AppComments = []string{os.Args[0], runtime.GOOS, runtime.GOARCH}
	s3Config.HostURL = urlStr
	s3Config.Debug = globalDebug

	s3Client, err := s3.New(s3Config)
	if err != nil {
		return nil, err.Trace(alias, urlStr)
	}
	return s3Client, nil
}

// getNewClient gives a new client interface
func getNewClient(urlStr string, auth hostConfig) (client.Client, *probe.Error) {
	url := client.NewURL(urlStr)
	switch url.Type {
	case client.Object: // Minio and S3 compatible cloud storage
		s3Config := new(client.Config)
		s3Config.AccessKeyID = func() string {
			if auth.AccessKeyID == globalAccessKeyID {
				return ""
			}
			return auth.AccessKeyID
		}()
		s3Config.SecretAccessKey = func() string {
			if auth.SecretAccessKey == globalSecretAccessKey {
				return ""
			}
			return auth.SecretAccessKey
		}()
		s3Config.Signature = auth.API
		s3Config.AppName = "Minio"
		s3Config.AppVersion = mcVersion
		s3Config.AppComments = []string{os.Args[0], runtime.GOOS, runtime.GOARCH}
		s3Config.HostURL = urlStr
		s3Config.Debug = globalDebugFlag

		s3Client, err := s3.New(s3Config)
		if err != nil {
			return nil, err.Trace()
		}
		return s3Client, nil
	case client.Filesystem:
		fsClient, err := fs.New(urlStr)
		if err != nil {
			return nil, err.Trace()
		}
		return fsClient, nil
	}
	return nil, errInitClient(urlStr).Trace()
}