利用RestTemplate发送https请求-忽略ssl证书

RestTemplate调用https服务的时候，由于服务方的ssl证书并非正式证书，不被jdk继承，故会报雷同：“No subject alternative names matching IP address xxxxxx found”的错误。网上找了一下，处置处罚也比力简朴，基本上是配置下：HttpRequestFactory。但找到的内容很多都是需要注入bean，通过@Config等方式配置，这样的话，不是很便利。
以下代码，通过直接调用main函数，处置处罚了RestTemplate，使其忽略SSL证书。

1. import org.apache.http.conn.ssl.NoopHostnameVerifier;
2. import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
3. import org.apache.http.impl.client.CloseableHttpClient;
4. import org.apache.http.impl.client.HttpClientBuilder;
5. import org.apache.http.impl.client.HttpClients;
6. import org.apache.http.ssl.SSLContexts;
7. import org.apache.http.ssl.TrustStrategy;
8. import org.springframework.http.HttpHeaders;
9. import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
10. import org.springframework.web.client.RestTemplate;
12. import javax.net.ssl.SSLContext;
13. import java.security.KeyManagementException;
14. import java.security.KeyStoreException;
15. import java.security.NoSuchAlgorithmException;
17. public class TestNoSSLRest {
19.     static String URL = "https://192.168.88.70:8443/oauth/oauth2/token?grant_type=authorization_code&code=iDCQAU";
21.     public static void main(String[] args) throws NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
22.         RestTemplate restTemplate = new RestTemplate(generateHttpRequestFactory());
23.         String responseStr = restTemplate.postForObject(URL, initHttpHeaders(), String.class);
24.         System.out.println(responseStr);
25.     }
27.     private static HttpHeaders initHttpHeaders() {
28.         HttpHeaders headers = new HttpHeaders();
29.         headers.add("Authorization", "Basic Soiuawe12asildfSEjasdfewe22");
30.         return headers;
31.     }
33.     private static HttpComponentsClientHttpRequestFactory generateHttpRequestFactory() throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException {
34.         TrustStrategy acceptingTrustStrategy = (x509Certificates, authType) -> true;
35.         SSLContext sslContext = SSLContexts.custom().loadTrustMaterial(null, acceptingTrustStrategy).build();
36.         SSLConnectionSocketFactory connectionSocketFactory = new SSLConnectionSocketFactory(sslContext, new NoopHostnameVerifier());
37.         HttpClientBuilder httpClientBuilder = HttpClients.custom();
38.         httpClientBuilder.setSSLSocketFactory(connectionSocketFactory);
39.         CloseableHttpClient httpClient = httpClientBuilder.build();
40.         HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
41.         factory.setHttpClient(httpClient);
42.         return factory;
43.     }
45. }

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其中，该class依赖的jar包为：

1.                 <dependency>
2.                         <groupId>org.apache.httpcomponents</groupId>
3.                         <artifactId>httpclient</artifactId>
4.                         <version>4.5.10</version>
5.                 </dependency>
6.                 <dependency>
7.                         <groupId>org.apache.httpcomponents</groupId>
8.                         <artifactId>httpcore</artifactId>
9.                         <version>4.4.15</version>
10.                 </dependency>

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