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Posted to dev@shiro.apache.org by "Les Hazlewood (JIRA)" <ji...@apache.org> on 2010/05/09 06:28:48 UTC
[jira] Updated: (SHIRO-156) SimpleAuthenticationInfo.merge does not
merge principals if its internal principal collection is not mutable
[ https://issues.apache.org/jira/browse/SHIRO-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Les Hazlewood updated SHIRO-156:
--------------------------------
Fix Version/s: 1.0.0
Scheduling for 1.0 since this will be easy to fix
> SimpleAuthenticationInfo.merge does not merge principals if its internal principal collection is not mutable
> ------------------------------------------------------------------------------------------------------------
>
> Key: SHIRO-156
> URL: https://issues.apache.org/jira/browse/SHIRO-156
> Project: Shiro
> Issue Type: Bug
> Components: Authentication (log-in)
> Affects Versions: 0.9
> Reporter: Bryan Turner
> Fix For: 1.0.0
>
>
> In SimpleAuthenticationInfo.merge(AuthenticationInfo), there is the following code:
> {code}
> if (this.principals == null) {
> this.principals = info.getPrincipals();
> } else {
> if (this.principals instanceof MutablePrincipalCollection) {
> ((MutablePrincipalCollection) this.principals).addAll(info.getPrincipals());
> } else {
> this.principals = new SimplePrincipalCollection(this.principals);
> }
> }
> {code}
> The logic in the nested else block appears incorrect. If the current "principals" collection is not MutablePrincipalCollection, a new SimplePrincipalCollection, which is mutable, is constructed from it. However, it does not copy the principals from other.getPrincipals(), which by that point in the method is known to be non-null and non-empty, after it makes a mutable principal collection.
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