java - 与 Smack 4.0.* 的 TLS 客户端连接的简单示例

Question

我正在尝试使用 Smack 4.0.5 Api 连接到 Vines XMPP，作为增长测试引导的面向对象软件工作示例的一部分。我一直在努力寻找任何描述如何使用 TLS 进行连接的文档。几个线程已经提供了如下示例，但是这个(我认为不安全)选项失败的原因是:

    ConnectionConfiguration connectionConfig = new ConnectionConfiguration(XMPP_HOSTNAME, 5222);
    connectionConfig.setDebuggerEnabled(true);

    SSLContext sslContext = null;
    try {
        sslContext = SSLContext.getInstance("TLS");
        TrustManager tm = new X509TrustManager() {
            @Override
            public void checkClientTrusted(X509Certificate[] x509Certificates, String s)
                throws CertificateException {
            }

            @Override
            public void checkServerTrusted(X509Certificate[] x509Certificates, String s)
                throws CertificateException {
            }

            @Override
            public X509Certificate[] getAcceptedIssuers() {
                return new X509Certificate[0];
            }
        };
        sslContext.init(null, new TrustManager[] {tm}, null);
        connectionConfig.setCustomSSLContext(sslContext);

        this.connection = new XMPPTCPConnection(connectionConfig);
        this.connection.connect();
        this.connection.login(format(ITEM_ID_AS_LOGIN, itemId), AUCTION_PASSWORD, AUCTION_RESOURCE);

    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("connecting failed", e);
    }

与

org.jivesoftware.smack.sasl.SASLErrorException: SASLError using PLAIN: not-authorized
        at org.jivesoftware.smack.SASLAuthentication.authenticate(SASLAuthentication.java:348)
        at org.jivesoftware.smack.tcp.XMPPTCPConnection.login(XMPPTCPConnection.java:244)
        at uk.me.paulswilliams.auction.fakes.FakeAuctionServer.<init>(FakeAuctionServer.java:60)
        at uk.me.paulswilliams.auction.AuctionSniperEndToEndTest.<init>(AuctionSniperEndToEndTest.java:10)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at org.junit.runners.BlockJUnit4ClassRunner.createTest(BlockJUnit4ClassRunner.java:195)
        at org.junit.runners.BlockJUnit4ClassRunner$1.runReflectiveCall(BlockJUnit4ClassRunner.java:244)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.BlockJUnit4ClassRunner.methodBlock(BlockJUnit4ClassRunner.java:241)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
        at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
        at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)
        at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)

Vines 提供了一个自签名证书，我尝试通过将公共(public)证书复制到客户端、使用 OS X 上的 Java 控制面板注册它来实现“安全”方式，并通过以下代码使用它:

        try {
            ConnectionConfiguration connectionConfig = new ConnectionConfiguration(XMPP_HOSTNAME, 5222);
            connectionConfig.setSecurityMode(ConnectionConfiguration.SecurityMode.required);
            this.connection = new XMPPTCPConnection(connectionConfig);
            this.connection.connect();
            this.connection.login(format(ITEM_ID_AS_LOGIN, itemId), AUCTION_PASSWORD, AUCTION_RESOURCE);
        }
        catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("connection failed");
        }

但是，在这种情况下，我继续收到:

Nov 13, 2014 8:49:11 PM org.jivesoftware.smack.XMPPConnection callConnectionClosedOnErrorListener
WARNING: Connection closed with error
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
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)

我怀疑两者都接近工作，并且由于这项工作的性质，安全性确实不是考虑因素。

编辑:

我现在尝试使用以下方法将 Vines 证书导入到我的 JVM keystone 中:

sudo /Library/Java/Home/bin/keytool --import --alias "localhost" -file localhost.crt -keystore  /Library/Java/Home/lib/security/cacerts

我已指定别名来匹配服务器名称“localhost”，尽管该服务器也称为“rails-dev-box”，但我没有在 java 客户端中使用该名称。我还需要导入 ca-bundle.crt CA 吗？ Java 是否应该根据服务器名称获取此证书，或者我是否需要明确指示 Java 这样做？

Answer 1

在 Flow 的协助下，我找到了一个可行的解决方案:

ConnectionConfiguration connectionConfig = new ConnectionConfiguration(XMPP_HOSTNAME, 5222);    
connectionConfig.setSecurityMode(ConnectionConfiguration.SecurityMode.required);
System.setProperty("javax.net.ssl.trustStore", "akeystore.jks");
this.connection = new XMPPTCPConnection(connectionConfig);
this.connection.connect();
this.connection.login(format(ITEM_ID_AS_LOGIN, itemId), AUCTION_PASSWORD, AUCTION_RESOURCE);

我创建了 keystore :

keytool -import -alias localhost -file ~/src/auctionsniperjava/localhost.crt -keystore akeystore.jks