add experimental HOOK_SANITIZE

classes/pluginhost.php

@@ -21,6 +21,7 @@ class PluginHost {
 	const HOOK_RENDER_ARTICLE = 10;
 	const HOOK_RENDER_ARTICLE_CDM = 11;
 	const HOOK_FEED_FETCHED = 12;
+	const HOOK_SANITIZE = 13;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;

include/functions.php

@@ -2597,12 +2597,25 @@
 
 		//$node = $doc->getElementsByTagName('body')->item(0);
 
-		$doc->removeChild($doc->firstChild); //remove doctype
-		$res = $doc->saveHTML();
 
-		$config = array('safe' => 1, 'deny_attribute' => 'style, width, height, class, id', 'comment' => 1, 'cdata' => 1, 'balance' => 0);
+		$beforehooks = $res;
-		$spec = 'img=width,height';
+
-		$res = htmLawed($res, $config, $spec);
+		global $pluginhost;
+		if ($pluginhost) {
+			foreach ($pluginhost->get_hooks($pluginhost::HOOK_SANITIZE) as $p) {
+				$res = $p->hook_sanitize($res);
+			}
+		}
+
+		// nothing changed, use standard filters
+		if ($beforehooks == $res) {
+			$doc->removeChild($doc->firstChild); //remove doctype
+			$res = $doc->saveHTML();
+
+			$config = array('safe' => 1, 'deny_attribute' => 'style, width, height, class, id', 'comment' => 1, 'cdata' => 1, 'balance' => 0);
+			$spec = 'img=width,height';
+			$res = htmLawed($res, $config, $spec);
+		}
 
 		return $res;
 	}