A Java library to create KeyStore and TrustStore objects in memory from environment variables.
Include this library in your application as a Maven depenency:
<dependency>
<groupId>com.heroku.sdk</groupId>
<artifactId>env-keystore</artifactId>
</dependency>Creating a TrustStore requires that the certificate PEM be set as an environment variable.
You pass that environment variable name to the EnvKeyStore.create method:
KeyStore ts = EnvKeyStore.createWithRandomPassword("TRUSTED_CERT").keyStore();You can use the KeyStore like any other. For example, you might invoke a service with the trusted cert:
String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
tmf.init(ts);
SSLContext sc = SSLContext.getInstance("TLS");
sc.init(null, tmf.getTrustManagers(), new SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
String urlStr = "https://ssl.selfsigned.xyz";
URL url = new URL(urlStr);
HttpsURLConnection con = (HttpsURLConnection)url.openConnection();
con.setDoInput(true);
con.setRequestMethod("GET");
con.getInputStream().close();Creating a KeyStore requires that the key, certificate and password are all set as environment variables.
You pass the environment variable names to the EnvKeyStore.create method:
KeyStore ks = EnvKeyStore.create("KEYSTORE_KEY", "KEYSTORE_CERT", "KEYSTORE_PASSWORD").keyStore();You can use the KeyStore like any other. But you might also want to convert it to an input stream. For example, you might start a Ratpack server:
EnvKeyStore eks = EnvKeyStore.create("KEYSTORE_KEY", "KEYSTORE_CERT", "KEYSTORE_PASSWORD");
RatpackServer.start(s -> s
.serverConfig(c -> {
c.ssl(SSLContexts.sslContext(eks.toInputStream(), eks.password()));
})
.handlers(chain -> chain
.all(ctx -> ctx.render("Hello!"))
)
);
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