如何在Spring WebClient中禁用主机名验证?

问题描述：

我正在使用spring webflux Webclient工具来调用API.API服务器地址是HTTPS，它是一个没有域名的IP地址.我需要在webclient中禁用主机名验证.现在例外如下

I am using the spring webflux webclient tool to call the API. The API server address is HTTPS, and it is an IP address without a domain name. I need to disable the hostname validation in webclient. The exception now is as follows

Caused by: java.security.cert.CertificateException: No subject alternative names matching IP address 180.101.147.89 found
    at sun.security.util.HostnameChecker.matchIP(HostnameChecker.java:168) ~[na:1.8.0_211]
    at sun.security.util.HostnameChecker.match(HostnameChecker.java:94) ~[na:1.8.0_211]
    at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:461) ~[na:1.8.0_211]
    at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:442) ~[na:1.8.0_211]
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:260) ~[na:1.8.0_211]
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:144) ~[na:1.8.0_211]
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1626) ~[na:1.8.0_211]
    ... 28 common frames omitted

@Bean
    public WebClient telcomWebclient(WebClient.Builder webClientBuilder,
                                     @Value("${telcom.api.host}") String telcomApiHost,
                                     @Value("${telcom.api.certificate-name}") String telcomApiCertificateName,
                                     @Value("${telcom.api.certificate-store-pass}") String telcomApiCertificateStorePass) {
        try {
            KeyStore selfCert = KeyStore.getInstance("pkcs12");
            selfCert.load(getClass().getResourceAsStream("/cert/outgoing.CertwithKey.pkcs12"), "IoM@1234".toCharArray());
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("sunx509");
            kmf.init(selfCert, "IoM@1234".toCharArray());

            KeyStore caCert = KeyStore.getInstance("jks");
            caCert.load(getClass().getResourceAsStream("/cert/" + telcomApiCertificateName), telcomApiCertificateStorePass.toCharArray());
            TrustManagerFactory tmf = TrustManagerFactory.getInstance("sunx509");
            tmf.init(caCert);

            SslContext sslContext = SslContextBuilder.forClient()
                    .keyManager(kmf)
                    .trustManager(tmf)
                    .build();
            HttpClient httpClient = HttpClient.create().create().secure(sslContextSpec -> sslContextSpec.sslContext(sslContext));
            ClientHttpConnector clientHttpConnector = new ReactorClientHttpConnector(httpClient);
            return webClientBuilder.clientConnector(clientHttpConnector).baseUrl(telcomApiHost).build();
        } catch (KeyStoreException | IOException | NoSuchAlgorithmException | CertificateException | UnrecoverableKeyException e) {
            log.error("Config webclient,error occurs", e);
            System.exit(-1);
        }
        return null;
    }

答

除了完全禁用SSL验证，(我不建议)通过传入 InsecureTrustManagerFactory.INSTANCE 像这样的代码:

Aside from disabling SSL verification entirely, (WHICH I DON'T RECOMMEND) by passing in InsecureTrustManagerFactory.INSTANCE like this:

SslContext sslContext = SslContextBuilder.forClient()
                    .keyManager(kmf)
                    .trustManager(InsecureTrustManagerFactory.INSTANCE)
                    .build();

您可以通过配置自定义

You can configure the HttpClient to essentially override the hostname verification by configuring a custom SNIMatcher as below:

HttpClient.create().create().secure(sslContextSpec -> sslContextSpec
    .sslContext(sslContext)
    .handlerConfigurator(sslHandler -> 
        SSLEngine engine = handler.engine();
        //engine.setNeedClientAuth(true);
        SSLParameters params = new SSLParameters();
        List<SNIMatcher> matchers = new LinkedList<>();

        SNIMatcher matcher = new SNIMatcher(0) {
            @Override
            public boolean matches(SNIServerName serverName) {
                return true;
            }
        };

        matchers.add(matcher);
        params.setSNIMatchers(matchers);
        engine.setSSLParameters(params);
);

我已经对此进行了测试并验证了它的有效性.我希望这会有所帮助！

I have tested this and verified it worked. I hope this helps!

这是受这里答案的启发:使用以下命令配置HostnameVerifierspring-webflux WebClient的反应堆净额

This was inspired by the answer here: Configure HostnameVerifier with reactor netty for spring-webflux WebClient

如何在Spring WebClient中禁用主机名验证?

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