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Updated on 2025-03-03

Sample ssl certificate authentication code for calling https request in java

Sample ssl certificate authentication code for calling https request in java

Updated: October 26, 2024 09:07:33 Author: Farmers in the New Era~
In network requests, you often encounter situations where you need to ignore certificate authentication. This article mainly introduces the relevant information of calling https request in Java to ignore SSL certificate authentication. The article introduces the code examples in detail. Friends who need it can refer to it.

1. Obtain httpclient and ignore certificate authentication

public static CloseableHttpClient createSSLClientDefault() {
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
                // Trust all certificates                public boolean isTrusted(X509Certificate[] arg0, String arg1)
                        throws CertificateException {
                    return true;
                }
            }).build();
            // Create a hostname validator to bypass hostname validation            HostnameVerifier hostnameVerifier = ;
            // Create an SSL connection socket factory to apply a custom SSL context and hostname validator to HTTPS connections            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, hostnameVerifier);
            // Create a custom CloseableHttpClient instance and apply the SSL connection socket factory to the HTTP client            return ().setSSLSocketFactory(sslsf).build();
        } catch (KeyManagementException e) {
            ();
        } catch (NoSuchAlgorithmException e) {
            ();
        } catch (KeyStoreException e) {
            ();
        }
        return ();
    }

2. Use put request to call

   public static String put(String url, Map<String, String> header, String param) throws Exception {
        String result = "";
        StringEntity entity = new StringEntity(param, "utf-8");
        CloseableHttpClient httpClient = null;
        try {
            httpClient = createSSLClientDefault();
            HttpPut httpPut = new HttpPut(url);
            if ((header)) {
                for (<String, String> entry : ()) {
                    ((), ());
                }
            }
            if (entity != null) {
                ("application/json; charset=utf-8");
                (entity);
            }
            ("Start requesting https interface:" + url );
            HttpResponse httpResponse = (httpPut);
            ("put request returns httpResponse result:" + httpResponse);
            HttpEntity resEntity = ();
            result = (resEntity, "UTF-8");
            ("put request returns result:" + result);
        } catch (Exception e) {
            throw e;
        } finally {
            if (httpClient != null) {
                ();
            }
        }
        return result;
    }

Summarize

This is the article about calling https in Java to ignore ssl certificate authentication. For more related Java to call https request and ignore ssl certificate authentication, please search for my previous article or continue browsing the related articles below. I hope everyone will support me in the future!

  • neglect
  • ssl
  • Certificate

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