AutoBasicAuthFilter.java 文件源码

@Override
public HttpResponse clientToProxyRequest(HttpObject httpObject) {
    if (credentialsByHostname.isEmpty()) {
        return null;
    }

    if (httpObject instanceof HttpRequest) {
        HttpRequest httpRequest = (HttpRequest) httpObject;

        // providing authorization during a CONNECT is generally not useful
        if (ProxyUtils.isCONNECT(httpRequest)) {
            return null;
        }

        String hostname = getHost(httpRequest);

        // if there is an entry in the credentials map matching this hostname, add the credentials to the request
        String base64CredentialsForHostname = credentialsByHostname.get(hostname);
        if (base64CredentialsForHostname != null) {
            httpRequest.headers().add(HttpHeaders.Names.AUTHORIZATION, "Basic " + base64CredentialsForHostname);
        }
    }

    return null;
}