--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Censorship.php	Mon Dec 12 22:51:37 2011 -0500
@@ -0,0 +1,43 @@
+<?php
+/**!info**
+{
+  "Plugin Name"  : "Censorship",
+  "Plugin URI"   : "http://enanocms.org/plugin/censorship",
+  "Description"  : "Protest SOPA",
+  "Author"       : "Dan Fuhry",
+  "Version"      : "1.0",
+  "Author URI"   : "http://enanocms.org/"
+}
+**!*/
+
+$plugins->attachHook('render_wikiformat_post', 'anti_sopa_censor($text);');
+
+function anti_sopa_censor(&$text)
+{
+	// save HTML tags
+	$text = preg_split('/(<(?:[a-z\/].+?|!--.+?--)>|<script[^>]*>[\w\W]*?<\/script>)/', $text, NULL, PREG_SPLIT_DELIM_CAPTURE);
+	foreach ( $text as &$block )
+	{
+		if ( $block{0} == '<' )
+			continue;
+		
+		// split by words
+		$block = preg_split('/(\s+)/', $block, NULL, PREG_SPLIT_DELIM_CAPTURE);
+		foreach ( $block as &$word )
+		{
+			if ( preg_match('/^\s+$/', $word) || strlen($word) < 1 || !preg_match('/\w/', $word) )
+				continue;
+			
+			if ( mt_rand(0, 10) == 0 )
+			{
+				$word = '<a href="http://enanocms.org/activism/stop-sopa" onclick="window.open(this.href); return false;" title="This word redacted by the US Government" style="color: black; background-color: black; background-image: none; padding-right: 0; text-decoration: none;">' .
+						preg_replace('/[A-z0-9]/', '█', $word)
+						. '</a>'
+						;
+			}
+		}
+		$block = implode('', $block);
+	}
+	$text = implode('', $text);
+}
+