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From Patrick L Archibald (PLA) ☮ <patrick.archib...@gmail.com>
Subject Exception with custom authentication
Date Mon, 31 Oct 2016 21:38:48 GMT
Hi,

Developing custom authentication and I'm getting the following
exception that I can not determine the root cause for. What is this
exception trying to tell me?

Oct 31, 2016 5:32:34 PM com.sun.jersey.spi.container.ContainerResponse
mapMappableContainerException
SEVERE: The exception contained within MappableContainerException
could not be mapped to a response, re-throwing to the HTTP container
java.lang.AbstractMethodError:
com.hometelco.guacamole.BasicAuthentication.getIdentifier()Ljava/lang/String;
at org.glyptodon.guacamole.net.basic.rest.auth.TokenRESTService.createToken(TokenRESTService.java:196)
at org.glyptodon.guacamole.net.basic.rest.RESTExceptionWrapper.invoke(RESTExceptionWrapper.java:159)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1511)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1442)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)


Here is my code:

package com.xyz.guacamole;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.glyptodon.guacamole.GuacamoleException;
import org.glyptodon.guacamole.net.auth.Credentials;
import org.glyptodon.guacamole.net.auth.simple.SimpleAuthenticationProvider;
import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;

import com.xyz.commons.Employee;
import com.xyz.commons.EmployeeDAO;
import com.xyz.commons.ServletUtilities;

public class BasicAuthentication extends SimpleAuthenticationProvider {
  private final String TAG = this.getClass().getCanonicalName();

  @Override
  public Map<String, GuacamoleConfiguration>
getAuthorizedConfigurations(Credentials credentials) throws
GuacamoleException {
    HttpServletRequest request = credentials.getRequest();
    System.out.format("Request from IP: %s - %s\n",
request.getRemoteHost(), TAG);
    String username = ServletUtilities.getUser(request);
    System.out.format("User name: %s IP: %s - %s\n", username,
request.getRemoteHost(), TAG);
    String password = ServletUtilities.getPassword(request);
    GuacamoleConfiguration config = new GuacamoleConfiguration();
    config.setParameter("username", username);
    config.setParameter("password", password);
    config.setParameter("domain", "xyz");
    config.setParameter("port", "3389");
    config.setProtocol("rdp");
    String connectionID = username + System.currentTimeMillis();
    config.setConnectionID(connectionID);
    EmployeeDAO employeeDAO = new EmployeeDAO();
    Employee employee = employeeDAO.getEmployee(username);
    String server = employee.getServer();
    System.out.format("User name: %s IP: %s Server: %s - %s\n",
username, request.getRemoteHost(), server, TAG);
    config.setParameter("hostname", server);
    Map<String, GuacamoleConfiguration> configs = new HashMap<String,
GuacamoleConfiguration>();
    configs.put("xyz", config);
    return configs;
  }
}



R☮ck on, PLA

Patrick L Archibald
http://PatrickArchibald.com

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