antville/helma
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check if the NodeHandle of a registered user is broken.

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If so, reset the handle, logging the user out. This should
solve the "broken session" phenomenon.
Also added some comments.
This commit is contained in:
hns 2001-10-02 20:43:53 +00:00
parent 841f09b789
commit 6c883367e7
1 changed files with 30 additions and 36 deletions
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66
src/helma/framework/core/User.java
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@ -20,11 +20,22 @@ public class User implements Serializable {
Application app; Application app;
String sessionID; String sessionID;
String uid; // the unique id (login name) for the user, if logged in
// the unique id (login name) for the user, if logged in
String uid;
// the handle to this user's persistent db node, if logged in
NodeHandle nhandle; NodeHandle nhandle;
// the transient cache node. This stays the same across logins and logouts.
// If logged out, this also represents the user's main node.
TransientNode cache;
DbMapping umap; DbMapping umap;
long onSince, lastTouched; long onSince, lastTouched;
TransientNode cache;
// used to remember messages to the user between requests -
// used for redirects.
String message; String message;
public User (String sid, Application app) { public User (String sid, Application app) {
@ -43,8 +54,11 @@ public class User implements Serializable {
/** /**
* This is used to turn an anonymous user into a registered or known one. * This is used to turn for login and logout.
* The user object remains the same, but she gets some persistent storage. * Calling this weith a DB Node object will turn an anonymous user into a registered or known one.
* The user object remains the same, but he or she gets some persistent storage.
* On the other side, calling this method with a parameter value of null is means the user
* is logged out and will be represented by its transient cache node.
*/ */
public void setNode (INode n) { public void setNode (INode n) {
// IServer.getLogger().log ("esn = "+esn); // IServer.getLogger().log ("esn = "+esn);
@ -53,15 +67,25 @@ public class User implements Serializable {
uid = null; uid = null;
} else { } else {
uid = n.getElementName (); uid = n.getElementName ();
nhandle = ((helma.objectmodel.db.Node) n).getHandle (); nhandle = ((Node) n).getHandle ();
} }
// System.err.println ("User.setNode: "+nhandle);
} }
public INode getNode () { public INode getNode () {
if (nhandle == null) { if (nhandle == null) {
return cache; return cache;
} else { } else {
return nhandle.getNode (app.nmgr.safe); // in some special cases, a user's node handle may go bad, for instance
// if something bad happens during registration. For this reason, we check
// if the handle actually works. If not, it is reset to the transient cache, which
// means the user is logged out.
Node n = nhandle.getNode (app.nmgr.safe);
if (n == null) {
setNode (null);
return cache;
}
return n;
} }
} }
@ -99,33 +123,3 @@ public class User implements Serializable {
} }