function read() {
    const TLS_CERT = process.env.TLS_CERT;
    const TLS_KEY = process.env.TLS_KEY;
    const TLS_CA = process.env.TLS_CA;
    const tls_cert = readOpt("--tls-cert");
    const tls_key = readOpt("--tls-key");
    const tls_ca = readOpt("--tls-ca");
    const result = {};

    if (tls_cert) {
        if (tls_key) {
            result.cert = readFile(tls_cert);
            result.key = readFile(tls_key);

            if (tls_ca) {
                result.ca = readFile(tls_ca);
            }
        } else {
            result.pfx = readFile(tls_cert);
        }
    } else if (TLS_CERT) {
        if (TLS_KEY) {
            result.cert = readFile(TLS_CERT);
            result.key = readFile(TLS_KEY);

            if (TLS_CA) {
                result.ca = readFile(TLS_CA);
            }
        } else {
            result.pfx = readFile(TLS_CERT);
        }
    }

    return Promise.all(keys(result).map(key => result[key].then(data => {
        return result[key] = data;
    }))).then(() => result);
}
function read() {
    const TLS_CERT = process.env.TLS_CERT;
    const TLS_KEY = process.env.TLS_KEY;
    const TLS_CA = process.env.TLS_CA;
    const tls_cert = readOpt("--tls-cert");
    const tls_key = readOpt("--tls-key");
    const tls_ca = readOpt("--tls-ca");
    const result = {};

    if (tls_cert) {
        if (tls_key) {
            result.cert = readFile(tls_cert);
            result.key = readFile(tls_key);

            if (tls_ca) {
                result.ca = readFile(tls_ca);
            }
        } else {
            result.pfx = readFile(tls_cert);
        }
    } else if (TLS_CERT) {
        if (TLS_KEY) {
            result.cert = readFile(TLS_CERT);
            result.key = readFile(TLS_KEY);

            if (TLS_CA) {
                result.ca = readFile(TLS_CA);
            }
        } else {
            result.pfx = readFile(TLS_CERT);
        }
    }

    return Promise.all(keys(result).map(key => result[key].then(data => {
        return result[key] = data;
    }))).then(() => result);
}
function read ( ) { const TLS_CERT = process . env . TLS_CERT ; const TLS_KEY = process . env . TLS_KEY ; const TLS_CA = process . env . TLS_CA ; const tls_cert = readOpt ( "--tls-cert" ) ; const tls_key = readOpt ( "--tls-key" ) ; const tls_ca = readOpt ( "--tls-ca" ) ; const result = { } ; if ( tls_cert ) { if ( tls_key ) { result . cert = readFile ( tls_cert ) ; result . key = readFile ( tls_key ) ; if ( tls_ca ) { result . ca = readFile ( tls_ca ) ; } } else { result . pfx = readFile ( tls_cert ) ; } } else if ( TLS_CERT ) { if ( TLS_KEY ) { result . cert = readFile ( TLS_CERT ) ; result . key = readFile ( TLS_KEY ) ; if ( TLS_CA ) { result . ca = readFile ( TLS_CA ) ; } } else { result . pfx = readFile ( TLS_CERT ) ; } } return Promise . all ( keys ( result ) . map ( key => result [ key ] . then ( data => { return result [ key ] = data ; } ) ) ) . then ( ( ) => result ) ; }
Read TLS options from filesystem asynchronously.  Paths are read from CLI
options or environment variables.
@returns {Promise}
Read TLS options from filesystem asynchronously . Paths are read from CLI options or environment variables .