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Warn user of uploaded javascript/css code =)

 
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altendew
Smarty Rookie


Joined: 07 Mar 2008
Posts: 19
PostPosted: Fri Mar 07, 2008 2:08 pm    Post subject: Warn user of uploaded javascript/css code =) Reply with quote
This is a work in progress but I have some users that don't listen to my directions to place the {literal} tags around the javascript so I made a script that will check for javascript code and warn them about it.

Let me know what you think..
Ideas? Improvements?

Code:

  $val = 'SMARTY CODE HERE';

  // Setup regex patters
  $m1 = array(
    'function(\s+[A-z0-9]+)?(\([^\)]*\))?\s*\{([^\}]*\})?',
    '(\}\s*)?(else|else\s*if)\s*(\([^\{]*\))?(\s*\/\/[^\{]*)?\s*\{([^\{\}]*\})?',
    '(if|for|foreach|while)\s*(\([^\{]*\))(\s*\/\/[^\{]*)?\s*\{([^\{\}]*\})?',
    '\}\s*(if|else|else\s*if)',
    '\{((\s+([^\}]*\})?)|[^\}]*$)',
    '(\s+|^)\}');
  $m2 = array();
  foreach($m1 as $v)
    $m2[] = '/('.$v.')/i';

  // Strip out literal tags and replace with newlines
  $val = preg_replace_callback(
    '/\{\s*literal\s*\}(.*)\{\s*\/literal\s*\}/sU',
    create_function(
      '$matches',
      '$count = explode("\n",$matches[1]);$count = count($count)-1;return str_repeat(" ..\n.. ",$count);'
    ),
    $val);

  // Get each line
  $lines = explode("\n",$val);
  if(!count($lines))
    return;

  // Run through each line
  $warn = array();
  foreach($lines as $n=>$line)
  {
    if(preg_match('/'.implode('|',$m1).'/i',$line))
      $warn[$n] = preg_replace($m2,'<span style="background-color:#FFD9DA">\\1</span>',$line);
    $n++;
  }


This will give you an array called warn where the index is the line number and the value is the line.. highlighted in red is where the problem is.

Remeber I am just warning the user I have a box where they can fix the code or ignore.

What do you think?

=)

please know this means u couldnt do this..

{ if 1=1 } { /if }

It would have to be

{if 1=1} {/if}

..but seriously why would u put spaces anyways lol
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flijten
Smarty Rookie


Joined: 07 Jan 2009
Posts: 7
PostPosted: Wed Jan 07, 2009 2:59 pm    Post subject: Reply with quote
This is for your own hosting or something?
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