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Fix semantics of update and events now that we know when credentials are present.

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This commit is contained in:
Michael Jumper
2013-08-07 16:34:20 -07:00
parent c60d810c9c
commit 5310d3531c
4 changed files with 50 additions and 48 deletions
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3
guacamole-ext/src/main/java/net/sourceforge/guacamole/net/event/AuthenticationSuccessEvent.java
View File

@@ -8,9 +8,6 @@ import net.sourceforge.guacamole.net.auth.UserContext;
* authentication. The credentials that passed authentication are included
* within this event, and can be retrieved using getCredentials().
*
* Note that this event is only triggered when the UserContext is initially
* created. Any further updates to the UserContext to not trigger this event.
*
* @author Michael Jumper
*/
public class AuthenticationSuccessEvent implements UserEvent, CredentialEvent {

6
guacamole-ext/src/main/java/net/sourceforge/guacamole/net/event/TunnelCloseEvent.java
View File

@@ -5,9 +5,9 @@ import net.sourceforge.guacamole.net.auth.UserContext;
/**
* An event which is triggered whenever a tunnel is being closed. The tunnel
* being closed can be accessed through getTunnel(), and the set of all
* credentials available from the request which is closing the tunnel can be
* retrieved using getCredentials().
* being closed can be accessed through getTunnel(), and the UserContext
* associated with the request which is closing the tunnel can be retrieved
* with getUserContext().
*
* @author Michael Jumper
*/

7
guacamole-ext/src/main/java/net/sourceforge/guacamole/net/event/TunnelConnectEvent.java
View File

@@ -5,9 +5,10 @@ import net.sourceforge.guacamole.net.auth.UserContext;
/**
* An event which is triggered whenever a tunnel is being connected. The tunnel
* being connected can be accessed through getTunnel(), and the set of all
* credentials available from the request which is connecting the tunnel can be
* retrieved using getCredentials().
* being connected can be accessed through getTunnel(), and the UserContext
* associated with the request which is connecting the tunnel can be retrieved
* with getUserContext().
*
* @author Michael Jumper
*/

58
guacamole/src/main/java/net/sourceforge/guacamole/net/basic/AuthenticatingHttpServlet.java
View File

@@ -224,7 +224,14 @@ public abstract class AuthenticatingHttpServlet extends HttpServlet {
}
}
try {
// Obtain context from session
HttpSession httpSession = request.getSession(true);
UserContext context = getUserContext(httpSession);
// If new credentials present, update/create context
if (hasNewCredentials(request)) {
// Retrieve username and password from parms
String username = request.getParameter("username");
@@ -237,18 +244,27 @@ public abstract class AuthenticatingHttpServlet extends HttpServlet {
credentials.setUsername(username);
credentials.setPassword(password);
try {
SessionListenerCollection listeners = new SessionListenerCollection(httpSession);
// If no cached context, attempt to get new context
UserContext context = getUserContext(httpSession);
if (context == null) {
if (context == null)
context = authProvider.getUserContext(credentials);
// If successful, log success and notify listeners
if (context != null) {
// Otherwise, update existing context
else
context = authProvider.updateUserContext(context, credentials);
// If no context, fail authentication, notify listeners
if (context == null) {
logger.warn("Authentication attempt from {} for user \"{}\" failed.",
request.getRemoteAddr(), credentials.getUsername());
notifyFailed(listeners, credentials);
}
// Otherwise, associate (possibly updated) context with session
// and notify listeners
else {
// Log successful authentication
logger.info("User \"{}\" successfully authenticated from {}.",
@@ -259,28 +275,16 @@ public abstract class AuthenticatingHttpServlet extends HttpServlet {
context = null;
}
} // end if auth success
}
// Otherwise, update existing context
else if (hasNewCredentials(request))
context = authProvider.updateUserContext(context, credentials);
// If no context, fail authentication, notify listeners
if (context == null) {
logger.warn("Authentication attempt from {} for user \"{}\" failed.",
request.getRemoteAddr(), credentials.getUsername());
notifyFailed(listeners, credentials);
sendError(response, HttpServletResponse.SC_FORBIDDEN,
"Permission denied.");
return;
}
// Associate (possibly updated) context with session
httpSession.setAttribute(CONTEXT_ATTRIBUTE, context);
}
} // end if credentials present
// If no context, no authorizaton present
if (context == null)
throw new GuacamoleSecurityException("Not authenticated");
// Allow servlet to run now that authentication has been validated
authenticatedService(context, request, response);