TXT vendor/ezyang/htmlpurifier/plugins/modx.txt

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MODx Plugin

MODx <http://www.modxcms.com/> is an open source PHP application framework.
I first came across them in my referrer logs when tillda asked if anyone
could implement an HTML Purifier plugin.  This forum thread
<http://modxcms.com/forums/index.php/topic,6604.0.html> eventually resulted
in the fruition of this plugin that davidm says, "is on top of my favorite
list."  HTML Purifier goes great with WYSIWYG editors!



1. Credits

PaulGregory wrote the overall structure of the code.  I added the
slashes hack.



2. Install

First, you need to place HTML Purifier library somewhere.  The code here
assumes that you've placed in MODx's assets/plugins/htmlpurifier (no version
number).

Log into the manager, and navigate:

Resources > Manage Resources > Plugins tab > New Plugin

Type in a name (probably HTML Purifier), and copy paste this code into the
textarea:

--------------------------------------------------------------------------------
$e = &$modx->Event;
if ($e->name == 'OnBeforeDocFormSave') {
    global $content;

    include_once '../assets/plugins/htmlpurifier/library/HTMLPurifier.auto.php';
    $purifier = new HTMLPurifier();

    static $magic_quotes = null;
    if ($magic_quotes === null) {
        // this is an ugly hack because this hook hasn't
        // had the backslashes removed yet when magic_quotes_gpc is on,
        // but HTMLPurifier must not have the quotes slashed.
        $magic_quotes = get_magic_quotes_gpc();
    }

    if ($magic_quotes) $content = stripslashes($content);
    $content = $purifier->purify($content);
    if ($magic_quotes) $content = addslashes($content);
}
--------------------------------------------------------------------------------

Then navigate to the System Events tab and check "OnBeforeDocFormSave".
Save the plugin.  HTML Purifier now is integrated!



3. Making sure it works