wechaty/go-wechaty

package puppetservice

import (
    "errors"
    "os"
)

// ErrTokenNotFound err token not found
var ErrTokenNotFound = errors.New("wechaty-puppet-service: WECHATY_PUPPET_SERVICE_TOKEN not found")

func envServiceToken(token string) (string, error) {
    if token != "" {
        return token, nil
    }

    token = os.Getenv("WECHATY_PUPPET_SERVICE_TOKEN")
    if token != "" {
        return token, nil
    }

    return "", ErrTokenNotFound
}

func envEndpoint(endpoint string) string {
    if endpoint != "" {
        return endpoint
    }

    endpoint = os.Getenv("WECHATY_PUPPET_SERVICE_ENDPOINT")
    if endpoint != "" {
        return endpoint
    }

    return ""
}

func envAuthority(authority string) string {
    if authority != "" {
        return authority
    }

    authority = os.Getenv("WECHATY_PUPPET_SERVICE_AUTHORITY")
    if authority != "" {
        return authority
    }

    return "api.chatie.io"
}

func envNoTLSInsecureClient(disable bool) bool {
    return disable || os.Getenv("WECHATY_PUPPET_SERVICE_NO_TLS_INSECURE_CLIENT") == "true"
}

func envTLSServerName(serverName string) string {
    if serverName != "" {
        return serverName
    }

    return os.Getenv("WECHATY_PUPPET_SERVICE_TLS_SERVER_NAME")
}

func envTLSCaCert(caCert string) string {
    if caCert != "" {
        return caCert
    }
    caCert = os.Getenv("WECHATY_PUPPET_SERVICE_TLS_CA_CERT")
    if caCert != "" {
        return caCert
    }
    return TLSCaCert
}