为什么我找不到SSL握手的信任库？ [英] Why can't I find the truststore for an SSL handshake?

问题描述

我在客户端使用Spring RESTTemplate来调用REST端点。在这种情况下，客户端是Spring应用程序，Tomcat是servlet容器。

I'm using the Spring RESTTemplate on the client side to make calls to a REST endpoint. The client in this case is a Spring app and Tomcat is the servlet container.

我遇到了与HTTPS端点建立连接的问题。我收到一个错误，表明它找不到信任库的有效路径。我在哪里可以指定这个？这是在容器级别还是应用程序配置（Spring）级别完成的？

I'm running into issues making a connection to an HTTPS endpoint. I am receiving an error which indicates it cannot find a valid path to the truststore. Where can I specify this? Is this done at the container level or the application config (Spring) level?

堆栈跟踪：

org.springframework.web.client.ResourceAccessException: I/O error:
sun.security.validator.ValidatorException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException:
unable to find valid certification path to requested target;
nested exception is javax.net.ssl.SSLHandshakeException:
sun.security.validator.ValidatorException:
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException:
unable to find valid certification path to requested target
org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:330)
org.springframework.web.client.RestTemplate.execute(RestTemplate.java:292)
org.springframework.web.client.RestTemplate.postForObject(RestTemplate.java:227)

推荐答案

您需要正确配置在RESTTemplate外部完成的SSLContext。这应该让你开始：

You need to properly configure the SSLContext which is done external to the RESTTemplate. This should get you started:

    String keystoreType = "JKS";
    InputStream keystoreLocation = null;
    char [] keystorePassword = null;
    char [] keyPassword = null;

    KeyStore keystore = KeyStore.getInstance(keystoreType);
    keystore.load(keystoreLocation, keystorePassword);
    KeyManagerFactory kmfactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
    kmfactory.init(keystore, keyPassword);

    InputStream truststoreLocation = null;
    char [] truststorePassword = null;
    String truststoreType = "JKS";

    KeyStore truststore = KeyStore.getInstance(truststoreType);
    truststore.load(truststoreLocation, truststorePassword);
    TrustManagerFactory tmfactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

    KeyManager [] keymanagers = kmfactory.getKeyManagers();
    TrustManager [] trustmanagers =  tmfactory.getTrustManagers();

    SSLContext sslContext = SSLContext.getInstance("TLS");
    sslContext.init(keymanagers, trustmanagers, new SecureRandom());
    SSLContext.setDefault(sslContext);

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