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https://issues.apache.org/jira/browse/SHIRO-355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marinus Geuze updated SHIRO-355:
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Attachment: Subject.java
ServletRequest implementation of runAs principles
> Concurrency issue with the runAs principles stored in the Session object
> ------------------------------------------------------------------------
>
> Key: SHIRO-355
> URL: https://issues.apache.org/jira/browse/SHIRO-355
> Project: Shiro
> Issue Type: Bug
> Components: Subject
> Affects Versions: 1.2.0
> Reporter: Marinus Geuze
> Priority: Minor
> Attachments: Subject.java
>
>
> Hi,
> I am using the runAs functionality of Shiro. However I think that there is a
> design flaw in the implementation. Because the runAs principles are stored in
> the Session object. However when a user does a second request to the server,
> while the first request to the server is still running, then there is a
> concurrency issue with the stored runAs principles.
> This issue caused problems in our application which used JSF2.0 frontend.
> Therefore I have overridden the default behavior of the
> org.apache.shiro.subject.Subject class, by implementing our own Subject
> class. This class stores the runAs principles in the servletRequest object.
> The concurrency issue is thereby fixed. See mine implementation in the
> attachment.
> Am I right that the current session implementation is incorrect? If so,
> please fix this bug. If not, is it an idea to make this a configuration
> choice in Shiro by using a storeRunAsPrinciplesInSession or
> storeRunAsPrincipleInServletRequest indicator?
> Greets,
> Marinus
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