public NamingProvider createProvider(
final URI providerUri, final FastHashtable<String, Object> env) throws NamingException {
// Legacy naming constants
final Endpoint endpoint = getEndpoint(env);
final String callbackClass = getStringProperty(CALLBACK_HANDLER_KEY, env);
final String userName = getStringProperty(Context.SECURITY_PRINCIPAL, env);
final String password = getStringProperty(Context.SECURITY_CREDENTIALS, env);
final String passwordBase64 = getStringProperty(PASSWORD_BASE64_KEY, env);
final String realm = getStringProperty(REALM_KEY, env);
boolean useSeparateConnection =
Boolean.parseBoolean(String.valueOf(env.get(USE_SEPARATE_CONNECTION)));
AuthenticationContext captured = AuthenticationContext.captureCurrent();
AuthenticationConfiguration mergedConfiguration =
AUTH_CONFIGURATION_CLIENT.getAuthenticationConfiguration(providerUri, captured);
if (callbackClass != null && (userName != null || password != null)) {
throw Messages.log.callbackHandlerAndUsernameAndPasswordSpecified();
}
if (callbackClass != null) {
final ClassLoader classLoader = secureGetContextClassLoader();
try {
final Class<?> clazz = Class.forName(callbackClass, true, classLoader);
final CallbackHandler callbackHandler = (CallbackHandler) clazz.newInstance();
if (callbackHandler != null) {
mergedConfiguration = mergedConfiguration.useCallbackHandler(callbackHandler);
}
} catch (ClassNotFoundException e) {
throw Messages.log.failedToLoadCallbackHandlerClass(e, callbackClass);
} catch (Exception e) {
throw Messages.log.failedToInstantiateCallbackHandlerInstance(e, callbackClass);
}
} else if (userName != null) {
if (password != null && passwordBase64 != null) {
throw Messages.log.plainTextAndBase64PasswordSpecified();
}
final String decodedPassword =
passwordBase64 != null
? CodePointIterator.ofString(passwordBase64)
.base64Decode()
.asUtf8String()
.drainToString()
: password;
mergedConfiguration =
mergedConfiguration.useName(userName).usePassword(decodedPassword).useRealm(realm);
}
final AuthenticationContext context =
AuthenticationContext.empty().with(MatchRule.ALL, mergedConfiguration);
if (useSeparateConnection) {
// create a brand new connection - if there is authentication info in the env, use it
final Connection connection;
try {
connection = endpoint.connect(providerUri, OptionMap.EMPTY, context).get();
} catch (IOException e) {
throw Messages.log.connectFailed(e);
}
final RemoteNamingProvider provider = new RemoteNamingProvider(connection, context, env);
connection.getAttachments().attach(PROVIDER_KEY, provider);
return provider;
} else if (env.containsKey(CONNECTION)) {
final Connection connection = (Connection) env.get(CONNECTION);
final RemoteNamingProvider provider = new RemoteNamingProvider(connection, context, env);
connection.getAttachments().attach(PROVIDER_KEY, provider);
return provider;
} else {
final Attachments attachments = endpoint.getAttachments();
ProviderMap map = attachments.getAttachment(PROVIDER_MAP_KEY);
if (map == null) {
ProviderMap appearing =
attachments.attachIfAbsent(PROVIDER_MAP_KEY, map = new ProviderMap());
if (appearing != null) {
map = appearing;
}
}
final URIKey key =
new URIKey(
providerUri.getScheme(),
providerUri.getUserInfo(),
providerUri.getHost(),
providerUri.getPort());
RemoteNamingProvider provider = map.get(key);
if (provider == null) {
RemoteNamingProvider appearing =
map.putIfAbsent(
key, provider = new RemoteNamingProvider(endpoint, providerUri, context, env));
if (appearing != null) {
provider = appearing;
}
}
return provider;
}
}
private Endpoint getEndpoint(final FastHashtable<String, Object> env) {
return env.containsKey(ENDPOINT) ? (Endpoint) env.get(ENDPOINT) : Endpoint.getCurrent();
}