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Item7543: Disallow SESSION_VARIABLE variable to set/get/clear session variables starting with underscore

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AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine   Enhancement Closed   patch 6.0.1

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Applies To:
Current State:
Waiting For:
Target Release:
Released In:


TWiki extensions can set/get/clear session variables persistently per user session with the TWiki::Func API. The session variables can be manipulated with the SESSION_VARIABLE variable.

In some cases it is desirable to hide extension specific session variables from the SESSION_VARIABLE variable. For example, the EmailTwoStepAuthContrib needs to safely store the access code, so that it can't be highjacked by an intruder.

This small no-brainer enhancement: Session variable names starting with an underscore, such as _XYZ, can't be set/get/cleared using the SESSION_VARIABLE variable.

-- TWiki:Main/PeterThoeny - 2014-08-14

Summary Disallow SESSION_VARIABLE variable to set/get/clear session variables starting with underscore
ReportedBy TWiki:Main.PeterThoeny
Codebase ~twiki4, 6.0.0
SVN Range TWiki-6.0.1-trunk, Thu, 07 Aug 2014, build 27861
AppliesTo Engine

Priority Enhancement
CurrentState Closed

Checkins TWikirev:27903 TWikirev:27904 TWikirev:27905 TWikirev:27906
TargetRelease patch
ReleasedIn 6.0.1
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Topic revision: r7 - 2014-10-06 - PeterThoeny
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