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Item7740: TWiki::Templates::readTemplate() unable to read a topic in a subweb

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AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine   Normal Closed   patch 6.1.0

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


TWiki::Templates::readTemplate() calls _readTemplateFile(), which cleanses the template name. So far, a slash (/) is subject for cleansing -- slashes in a template name are removed. This makes it impossible to use a web.topic of a subweb as a template. This is a problem. For example, TWiki:Plugins/CommentPlugin cannot use a comment template in a subweb.

So a template name needs to allow /.

In doing so, there is a bit of concern of an arbitrary file is accessed with a template name containing ../. So I put a line to replace two or more consecutive dots with one dot.

I was tempted to make / and . interchangeable in a template name. But if I do so, %TMPL:INCLUDE{"view.pattern.tmpl"}% stops working, hence I abandoned the idea.

-- TWiki:Main/HideyoImazu - 2016-04-12

Summary TWiki::Templates::readTemplate() unable to read a topic in a subweb
ReportedBy TWiki:Main.HideyoImazu
Codebase ~twiki4
SVN Range TWiki-6.0.2-trunk, Wed, 23 Mar 2016, build 29999
AppliesTo Engine

Priority Normal
CurrentState Closed

Checkins TWikirev:30139 TWikirev:30140 TWikirev:30145 TWikirev:30146
TargetRelease patch
ReleasedIn 6.1.0
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Topic revision: r7 - 2018-07-17 - PeterThoeny
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