[jira] [Reopened] (SHIRO-344) runAs feature doesn't work

["Brian Demers (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SHIRO-344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Demers reopened SHIRO-344:
--------------------------------
      Assignee:     (was: Les Hazlewood)

> runAs feature doesn't work
> --------------------------
>
>                 Key: SHIRO-344
>                 URL: https://issues.apache.org/jira/browse/SHIRO-344
>             Project: Shiro
>          Issue Type: Bug
>          Components: Realms 
>    Affects Versions: 1.2.0
>            Reporter: yourik
>              Labels: principal,, shiro,, subject
>             Fix For: 1.2.1
>
>         Attachments: SubjectDAO.java
>
>
> Right after SecurityUtils.getSubject().runAs(new new SimplePrincipalCollection(){...})
> SecurityUtils.getSubject().getPrincipal() returns correct new Principal
> SecurityUtils.getSubject()..getPreviousPrincipals() returns correct original Principal
> but DefaultSubjectDAO merge principals in method
> protected void mergePrincipals(Subject subject) {
>   PrincipalCollection currentPrincipals = subject.getPrincipals();
>   ...
>   if (session == null) {
>   ...
>   } else {
>     PrincipalCollection existingPrincipals = (PrincipalCollection) session.getAttribute(DefaultSubjectContext.PRINCIPALS_SESSION_KEY);
>     if (CollectionUtils.isEmpty(currentPrincipals)) {
>       ...
>     } else {
>        if (!currentPrincipals.equals(existingPrincipals)) {
>             session.setAttribute(DefaultSubjectContext.PRINCIPALS_SESSION_KEY, currentPrincipals);
>       }
>    }
> }
> and after that
> SecurityUtils.getSubject().getPrincipal() and SecurityUtils.getSubject().getPreviousPrincipals() both returns new Principal - this is wrong behavior



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