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Posted to dev@felix.apache.org by "Karl Pauls (JIRA)" <ji...@apache.org> on 2009/05/22 18:16:45 UTC
[jira] Assigned: (FELIX-1169) Service event callbacks fail silently
when denied permission
[ https://issues.apache.org/jira/browse/FELIX-1169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karl Pauls reassigned FELIX-1169:
---------------------------------
Assignee: Karl Pauls
> Service event callbacks fail silently when denied permission
> ------------------------------------------------------------
>
> Key: FELIX-1169
> URL: https://issues.apache.org/jira/browse/FELIX-1169
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: felix-1.6.1
> Environment: Environments that have a SecurityManager installed, like the Google App Engine.
> Reporter: ted stockwell
> Assignee: Karl Pauls
> Priority: Minor
>
> The org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback method checks for permission before making callbacks to ServiceListener.serviceChanged.
> However, if no permission has been granted to listener for any of the service interfaces that are being listened to then this method fails silently (making the failure to get the callback hard to diagnose).
> This snippet of code in the EventDispatcher.invokeServiceListenerCallback method....
> Object sm = System.getSecurityManager();
> if ((acc != null) && (sm != null))
> {
> for (int i = 0;
> !hasPermission && (i < objectClass.length);
> i++)
> {
> try
> {
> ServicePermission perm =
> new ServicePermission(
> objectClass[i], ServicePermission.GET);
> ((SecurityManager) sm).checkPermission(perm, acc);
> hasPermission = true;
> }
> catch (Exception ex)
> {
> }
> }
> }
> else
> {
> hasPermission = true;
> }
> ....should probably be changed to throw a SecurityException if no permission is found.
> Like so....
> Object sm = System.getSecurityManager();
> if ((acc != null) && (sm != null))
> {
> for (int i = 0;
> !hasPermission && (i < objectClass.length);
> i++)
> {
> try
> {
> ServicePermission perm =
> new ServicePermission(
> objectClass[i], ServicePermission.GET);
> ((SecurityManager) sm).checkPermission(perm, acc);
> hasPermission = true;
> }
> catch (Exception ex)
> {
> }
> }
> if (!hasPermission)
> throw new SecurityException();
> }
> else
> {
> hasPermission = true;
> }
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