relax URL regex to support finding IDN domains, filter using built in function, removing non-URLs

js/privatebin.js

@@ -2041,8 +2041,8 @@ jQuery.PrivateBin = (function($, RawDeflate) {
                         responseString = JSON.stringify(responseString);
                     }
                     if (typeof responseString === 'string' && responseString.length > 0) {
-                        const shortUrlMatcher = /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/g;
-                        const shortUrl = (responseString.match(shortUrlMatcher) || []).sort(function(a, b) {
+                        const shortUrlMatcher = /https?:\/\/[^\s]+/g;
+                        const shortUrl = (responseString.match(shortUrlMatcher) || []).filter(URL.canParse).sort(function(a, b) {
                             return a.length - b.length;
                         })[0];
                         if (typeof shortUrl === 'string' && shortUrl.length > 0) {

tpl/bootstrap.php

@@ -73,7 +73,7 @@ endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-3.0.6.js" integrity="sha512-N3y6/HOk3pbsw3lFh4O8CKKEVwu1B2CF8kinhjURf8Yqa5OfSUt+/arozxFW+TUPOPw3TsDCRT/0u7BGRTEVUw==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-LYos+qXHIRqFf5ZPNphvtTB0cgzHUizu2wwcOwcwz/VIpRv9lpcBgPYz4uq6jx0INwCAj6Fbnl5HoKiLufS2jg==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-wkyB+e2HinOE+hZOEfBtNVlg2lneE09dnrDjZKd77dHowLEIxrys1La7neVov1HWcAQlwhqxnZF4yr19kDuunw==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-FF+BJPX+fC0o672f5HNwc3Q+v6dcAeO+jT4/NgnGpgG2bjesssaqkYVSdFX3kxLe4mm1A3DZB4w75OioqBIncw==" crossorigin="anonymous"></script>
 		<!-- icon -->
 		<link rel="apple-touch-icon" href="<?php echo I18n::encode($BASEPATH); ?>img/apple-touch-icon.png" sizes="180x180" />
 		<link rel="icon" type="image/png" href="img/favicon-32x32.png" sizes="32x32" />

tpl/page.php

@@ -51,7 +51,7 @@ endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-3.0.6.js" integrity="sha512-N3y6/HOk3pbsw3lFh4O8CKKEVwu1B2CF8kinhjURf8Yqa5OfSUt+/arozxFW+TUPOPw3TsDCRT/0u7BGRTEVUw==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-LYos+qXHIRqFf5ZPNphvtTB0cgzHUizu2wwcOwcwz/VIpRv9lpcBgPYz4uq6jx0INwCAj6Fbnl5HoKiLufS2jg==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-wkyB+e2HinOE+hZOEfBtNVlg2lneE09dnrDjZKd77dHowLEIxrys1La7neVov1HWcAQlwhqxnZF4yr19kDuunw==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-FF+BJPX+fC0o672f5HNwc3Q+v6dcAeO+jT4/NgnGpgG2bjesssaqkYVSdFX3kxLe4mm1A3DZB4w75OioqBIncw==" crossorigin="anonymous"></script>
 		<!-- icon -->
 		<link rel="apple-touch-icon" href="img/apple-touch-icon.png?<?php echo rawurlencode($VERSION); ?>" sizes="180x180" />
 		<link rel="icon" type="image/png" href="img/favicon-32x32.png?<?php echo rawurlencode($VERSION); ?>" sizes="32x32" />