I am missing this not. Realy bad things I block with mod_security.
Things needed for the "controll" of my webapplication I put in the session information. ( If not: I would use a handler to filter them out. )

Or in other words: I don't "die" in my mason pages. If I have bad parameters within my mason pages I need always a good user feedback.

I do test like:

if ( $pass =~ /\p{IsC}/ ) { $m->abort(404); }
if ( length($pass) < 8 ) { $err .= "Sorry humble master, but your password is too short,"; }
...

If I have args I always do _many_ tests on them or they are handled inside a module(e.g. topic IDs for DB interactions)  - since I try to keep my perl code outside of the mason templates. I use mason as a templating tool (or try to :).
 
When your suggestion is implemented I would need a way to "handle" raised errors: <%OnError> </%OnError> <%NoError> </%NoError>

... hm mason template tags for exception handling ... hm THAT would be cool ^^

Timo





Mark Hedges <[EMAIL PROTECTED]>
Gesendet von: [EMAIL PROTECTED]

27.06.2006 22:24

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[Mason] <%args> validation?






Is there any current or planned way to declare parameter
validation in an <%args> block?  Or in some other block?
Maybe I missed this in the book.

That is, I want to do stuff like this:

<%args>
   $foo => 1       , qr/^\d$/
   $bar =>         , sub { shift->isa('Bar') }     # req'd, no default?
   @biz =>         , !grep $_ eq 'baz', @_
</%args>

Right now I do something akin to this:

<%args>
   $foo => 1
   $bar
   @biz
</%args>
<%perl>
   die('bad params')
       if  $foo !~ m{ \A \d \z }xms
       || !$bar->isa('Bar')
       ||  grep $_ eq 'baz', @biz;
</%perl>

Mark



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Get stuff done quickly with pre-integrated technology to make your job easier
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http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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