gets a SSL Context
// Please don't change the name of the attribute - other
// software may depend on it ( j2ee for sure )
String keystoreFile = (String) attributes.get("keystore");
if (keystoreFile == null) {
keystoreFile = defaultKeystoreFile;
}
keystoreType = (String) attributes.get("keystoreType");
if (keystoreType == null) {
keystoreType = defaultKeystoreType;
}
// determine whether we want client authentication
// the presence of the attribute enables client auth
clientAuth = null != (String) attributes.get("clientauth");
String keyPass = (String) attributes.get("keypass");
if (keyPass == null) {
keyPass = defaultKeyPass;
}
String keystorePass = (String) attributes.get("keystorePass");
if (keystorePass == null) {
keystorePass = keyPass;
}
// protocol for the SSL ie - TLS, SSL v3 etc.
String protocol = (String) attributes.get("protocol");
if (protocol == null) {
protocol = defaultProtocol;
}
// Algorithm used to encode the certificate ie - SunX509
String algorithm = (String) attributes.get("algorithm");
if (algorithm == null) {
algorithm = defaultAlgorithm;
}
// You can't use ssl without a server certificate.
// Create a KeyStore ( to get server certs )
KeyStore kstore = initKeyStore(keystoreFile, keystorePass);
// Key manager will extract the server key
KeyManagerFactory kmf = KeyManagerFactory.getInstance(algorithm);
kmf.init(kstore, keyPass.toCharArray());
// If client authentication is needed, set up TrustManager
TrustManager[] tm = null;
if (clientAuth) {
TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
tmf.init(kstore);
tm = tmf.getTrustManagers();
}
// Create a SSLContext ( to create the ssl factory )
// This is the only way to use server sockets with JSSE 1.0.1
SSLContext context = SSLContext.getInstance(protocol); // SSL
// init context with the key managers
context.init(kmf.getKeyManagers(), tm,
new java.security.SecureRandom());
return context;
