removed obsolete code and comments, tested with a PDF of 9 MiB and it works fine in Firefox and Chrome

js/privatebin.js

@@ -2793,17 +2793,6 @@ jQuery.PrivateBin = (function($, RawDeflate) {
                             .attr('src', blobUrl))
                     );
                 } else if (mimeType.match(/\/pdf/i)) {
-                    // PDFs are only displayed if the filesize is smaller than about 1MB (after base64 encoding).
-                    // Bigger filesizes currently cause crashes in various browsers.
-                    // See also: https://code.google.com/p/chromium/issues/detail?id=69227
-
-                    // Firefox crashes with files that are about 1.5MB
-                    // The performance with 1MB files is bearable
-                    /*if (data.length > 1398488) {
-                        Alert.showError('File too large, to display a preview. Please download the attachment.'); //TODO: is this error really necessary?
-                        return;
-                    }*/
-
                     // Fallback for browsers, that don't support the vh unit
                     var clientHeight = $(window).height();
 

tpl/bootstrap.php

@@ -72,7 +72,7 @@ if ($MARKDOWN):
 endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-1ER3ecJc80rN4kY5KXEMzudsTy26ypDxeAjiUs/rtaMsxZqKH2EWyK/V7x59eqn9udAlOOt3u5++xaEWu9b+ZQ==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-RE9PlksCFEcNHrU0eXzMBdNahXuwzbJHdzmCFNR5LlXMK+bSE5f07qniZJcszcW8L0imdN7MFSsBHxXxVdaqqg==" crossorigin="anonymous"></script>
 		<!--[if lt IE 10]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
 		<![endif]-->

tpl/page.php

@@ -50,7 +50,7 @@ if ($MARKDOWN):
 endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-1ER3ecJc80rN4kY5KXEMzudsTy26ypDxeAjiUs/rtaMsxZqKH2EWyK/V7x59eqn9udAlOOt3u5++xaEWu9b+ZQ==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-RE9PlksCFEcNHrU0eXzMBdNahXuwzbJHdzmCFNR5LlXMK+bSE5f07qniZJcszcW8L0imdN7MFSsBHxXxVdaqqg==" crossorigin="anonymous"></script>
 		<!--[if lt IE 10]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
 		<![endif]-->