fix syntaxhighlighting format, requires non-strict DOMpurify

the strict settings removed the pre-tags, lists, etc. that are used by the prettify library to format source code

js/privatebin.js

@@ -444,8 +444,9 @@ jQuery.PrivateBin = (function($) {
          * @name   Helper.urls2links
          * @function
          * @param  {HTMLElement} element
+         * @param  {bool} strict - optional
          */
-        me.urls2links = function(element)
+        me.urls2links = function(element, strict = true)
         {
             element.html(
                 DOMPurify.sanitize(
@@ -453,7 +454,7 @@ jQuery.PrivateBin = (function($) {
                         /(((https?|ftp):\/\/[\w?!=&.\/-;#@~%+*-]+(?![\w\s?!&.\/;#~%"=-]>))|((magnet):[\w?=&.\/-;#@~%+*-]+))/ig,
                         '<a href="$1" rel="nofollow noopener noreferrer">$1</a>'
                     ),
-                    purifyHtmlConfigStrictSubset
+                    strict ? purifyHtmlConfigStrictSubset : purifyHtmlConfig
                 )
             );
         };
@@ -2743,7 +2744,7 @@ jQuery.PrivateBin = (function($) {
                     // = 'plaintext'
                     $prettyPrint.text(text);
                 }
-                Helper.urls2links($prettyPrint);
+                Helper.urls2links($prettyPrint, format !== 'syntaxhighlighting');
                 $prettyPrint.css('white-space', 'pre-wrap');
                 $prettyPrint.css('word-break', 'normal');
                 $prettyPrint.removeClass('prettyprint');

lib/Configuration.php

@@ -122,7 +122,7 @@ class Configuration
             'js/kjua-0.10.0.js'      => 'sha512-BYj4xggowR7QD150VLSTRlzH62YPfhpIM+b/1EUEr7RQpdWAGKulxWnOvjFx1FUlba4m6ihpNYuQab51H6XlYg==',
             'js/legacy.js'           => 'sha512-RQEo1hxpNc37i+jz/D9/JiAZhG8GFx3+SNxjYnI7jUgirDIqrCSj6QPAAZeaidditcWzsJ3jxfEj5lVm7ZwTRQ==',
             'js/prettify.js'         => 'sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==',
-            'js/privatebin.js'       => 'sha512-p9zI8Ybt1CGqZ6NIHCQlxLg0nED6FpemmcSCZsUBsS4JXRWlV8lYv9NrdvS0Gxad0DPRNjOwvsN+n7o2E9BmAg==',
+            'js/privatebin.js'       => 'sha512-kRRgq+R3dUScoqqjTQo+re+T+FrsaukqMO7qSMen2fq0Rcgz2S0GnR52sqKukbDDKRr/dDba01WWPccduYr+Jg==',
             'js/purify-3.4.1.js'     => 'sha512-280a/Vb6fVFsYaeRrkuDp4EDmdYlt2XS+dlDEO/U9qljPrAraA2bIzHTNmP+9dpwPDDwTML+RS+h5iaagPwTzA==',
             'js/showdown-2.1.0.js'   => 'sha512-WYXZgkTR0u/Y9SVIA4nTTOih0kXMEd8RRV6MLFdL6YU8ymhR528NLlYQt1nlJQbYz4EW+ZsS0fx1awhiQJme1Q==',
             'js/zlib-1.3.2.js'       => 'sha512-RAhJgxg9siMIA8ky4c10Rc2zUgnK80olHB8Tt1IOYWY4Eh1WmrviQkDn+sgBlb38ZHq3tzufGC41kP360gmosQ==',