在Webview中安装用于打开网站的证书?

时间:2017-01-25 08:11:40

标签: android ssl webview android-webview ssl-certificate

我有一个网站,我想在Android Webview中打开。该网站使用COMODO RSA Domain Validation Secure Server CA发出的证书。问题是,对于运行版本低于(包括)Android 5的设备,我得到Unkown Certificate Error

我在documentation进行了搜索,据我所知,问题是CA是在Android 5发布之前创建的。

我可以在handler.proceed();上进行onReceivedSslError,但我希望确保应用安全,我认为谷歌无论如何都可以在游戏商店拒绝此应用。

我发现我可以做这样的事情

// Load CAs from an InputStream
// (could be from a resource or ByteArrayInputStream or ...)
CertificateFactory cf = CertificateFactory.getInstance("X.509");
// From https://www.washington.edu/itconnect/security/ca/load-der.crt
InputStream caInput = new BufferedInputStream(new FileInputStream("load-der.crt"));
Certificate ca;
try {
    ca = cf.generateCertificate(caInput);
    System.out.println("ca=" + ((X509Certificate) ca).getSubjectDN());
} finally {
    caInput.close();
}

// Create a KeyStore containing our trusted CAs
String keyStoreType = KeyStore.getDefaultType();
KeyStore keyStore = KeyStore.getInstance(keyStoreType);
keyStore.load(null, null);
keyStore.setCertificateEntry("ca", ca);

// Create a TrustManager that trusts the CAs in our KeyStore
String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
tmf.init(keyStore);

// Create an SSLContext that uses our TrustManager
SSLContext context = SSLContext.getInstance("TLS");
context.init(null, tmf.getTrustManagers(), null);

// Tell the URLConnection to use a SocketFactory from our SSLContext
URL url = new URL("https://certs.cac.washington.edu/CAtest/");
HttpsURLConnection urlConnection =
    (HttpsURLConnection)url.openConnection();
urlConnection.setSSLSocketFactory(context.getSocketFactory());
InputStream in = urlConnection.getInputStream();
copyInputStreamToOutputStream(in, System.out);

但问题是我的代码是这样的

myWebView.loadUrl("https://site.domain.com")

如何在Webview中安装CA证书?

由于

1 个答案:

答案 0 :(得分:-2)

您需要覆盖WebViewClient实现的方法。试试这个:

public void onReceivedSslError(WebView view, SslErrorHandler handler,
SslError error) {    handler.proceed(); }

此外,它可能是您希望在webview上运行的网站上安装的SSL证书。假设在桌面上查看网站时没有错误,则移动设备不支持权威机构提供的SSL证书。

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