includes/wikiengine/Parse/Mediawiki/Embed.php
author Dan
Thu, 17 Jan 2008 02:03:33 -0500
changeset 349 fdaf9070566c
parent 1 fe660c52c48f
permissions -rw-r--r--
More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
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<?php
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/**
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* 
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* Embeds the results of a PHP script at render-time.
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* 
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* @category Text
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* 
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* @package Text_Wiki
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* 
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* @author Paul M. Jones <pmjones@php.net>
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* 
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* @license LGPL
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* 
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* @version $Id: Embed.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
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* 
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*/
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/**
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* 
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* Embeds the results of a PHP script at render-time.
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* 
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* This class implements a Text_Wiki_Parse to embed the contents of a URL
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* inside the page at render-time.  Typically used to get script output.
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* This differs from the 'include' rule, which incorporates results at
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* parse-time; 'embed' output does not get parsed by Text_Wiki, while
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* 'include' ouput does.
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*
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* This rule is inherently not secure; it allows cross-site scripting to
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* occur if the embedded output has <script> or other similar tags.  Be
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* careful.
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*
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* @category Text
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* 
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* @package Text_Wiki
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* 
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* @author Paul M. Jones <pmjones@php.net>
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* 
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*/
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class Text_Wiki_Parse_Embed extends Text_Wiki_Parse {
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    var $conf = array(
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        'base' => '/path/to/scripts/'
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    );
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    var $file = null;
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    var $output = null;
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    var $vars = null;
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    /**
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    * 
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    * The regular expression used to find source text matching this
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    * rule.
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    * 
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    * @access public
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    * 
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    * @var string
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    * 
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    */
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    var $regex = '/(\[\[embed )(.+?)( .+?)?(\]\])/i';
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    /**
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    * 
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    * Generates a token entry for the matched text.  Token options are:
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    * 
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    * 'text' => The full matched text, not including the <code></code> tags.
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    * 
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    * @access public
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    *
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    * @param array &$matches The array of matches from parse().
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    *
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    * @return A delimited token number to be used as a placeholder in
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    * the source text.
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    *
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    */
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    function process(&$matches)
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    {    
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        // save the file location
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        $this->file = $this->getConf('base', './') . $matches[2];
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        // extract attribs as variables in the local space
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        $this->vars = $this->getAttrs($matches[3]);
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        unset($this->vars['this']);
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        extract($this->vars);
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        // run the script
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        ob_start();
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        include($this->file);
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        $this->output = ob_get_contents();
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        ob_end_clean();
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        // done, place the script output directly in the source
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        return $this->wiki->addToken(
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            $this->rule,
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            array('text' => $this->output)
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        );
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    }
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}
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?>