private User getActiveUser() {
User user = RequestContext.getRequestUser();
if (!RequestContext.isInRequestContext()) {
return null;
}
// this is for testing
if (userProvider.isHadoopSecurityEnabled()
&& "simple".equalsIgnoreCase(conf.get(User.HBASE_SECURITY_CONF_KEY))) {
return User.createUserForTesting(conf, user.getShortName(), new String[] {});
}
return user;
}
@Override
public void whoAmI(
RpcController controller,
AuthenticationProtos.WhoAmIRequest request,
RpcCallback<AuthenticationProtos.WhoAmIResponse> done) {
User requestUser = RequestContext.getRequestUser();
AuthenticationProtos.WhoAmIResponse.Builder response =
AuthenticationProtos.WhoAmIResponse.newBuilder();
if (requestUser != null) {
response.setUsername(requestUser.getShortName());
AuthenticationMethod method = requestUser.getUGI().getAuthenticationMethod();
if (method != null) {
response.setAuthMethod(method.name());
}
}
done.run(response.build());
}
@Override
public void getAuthenticationToken(
RpcController controller,
AuthenticationProtos.GetAuthenticationTokenRequest request,
RpcCallback<AuthenticationProtos.GetAuthenticationTokenResponse> done) {
AuthenticationProtos.GetAuthenticationTokenResponse.Builder response =
AuthenticationProtos.GetAuthenticationTokenResponse.newBuilder();
try {
if (secretManager == null) {
throw new IOException("No secret manager configured for token authentication");
}
User currentUser = RequestContext.getRequestUser();
UserGroupInformation ugi = null;
if (currentUser != null) {
ugi = currentUser.getUGI();
}
if (currentUser == null) {
throw new AccessDeniedException("No authenticated user for request!");
} else if (!isAllowedDelegationTokenOp(ugi)) {
LOG.warn(
"Token generation denied for user="******", authMethod="
+ ugi.getAuthenticationMethod());
throw new AccessDeniedException(
"Token generation only allowed for Kerberos authenticated clients");
}
Token<AuthenticationTokenIdentifier> token =
secretManager.generateToken(currentUser.getName());
response.setToken(ProtobufUtil.toToken(token)).build();
} catch (IOException ioe) {
ResponseConverter.setControllerException(controller, ioe);
}
done.run(response.build());
}
