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Cleanup variables/logic

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It only assigns and DomPurfies things once, instead of doing
it again and again.
Also uses less variables and cleans up the logic.
This commit is contained in:
rugk 2020-03-04 14:32:04 +01:00
parent 552e0cac3a
commit f13a5d0a55
3 changed files with 31 additions and 29 deletions
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56
js/privatebin.js
View File

@ -2529,20 +2529,24 @@ jQuery.PrivateBin = (function($, RawDeflate) {
return; return;
} }
const processedText = Helper.preformatTextForDomPurify(text, format); let processedText = Helper.preformatTextForDomPurify(text, format);
// escape HTML entities, link URLs, sanitize // link URLs
const escapedLinkedText = Helper.urls2links(processedText), processedText = Helper.urls2links(processedText);
sanitizedLinkedText = DOMPurify.sanitize(
escapedLinkedText, {
ALLOWED_TAGS: ['a'],
ALLOWED_ATTR: ['href', 'rel']
}
);
$plainText.html(sanitizedLinkedText);
$prettyPrint.html(sanitizedLinkedText);
switch (format) { switch (format) {
case 'syntaxhighlighting':
// yes, this is really needed to initialize the environment
if (typeof prettyPrint === 'function')
{
prettyPrint();
}
$prettyPrint.html(
DOMPurify.sanitize(
prettyPrintOne(processedText, null, true)
)
);
case 'markdown': case 'markdown':
const converter = new showdown.Converter({ const converter = new showdown.Converter({
strikethrough: true, strikethrough: true,
@ -2554,29 +2558,27 @@ jQuery.PrivateBin = (function($, RawDeflate) {
// let showdown convert the HTML and sanitize HTML *afterwards*! // let showdown convert the HTML and sanitize HTML *afterwards*!
$plainText.html( $plainText.html(
DOMPurify.sanitize( DOMPurify.sanitize(
// use original text, because showdown handles autolinking on it's own
converter.makeHtml(text) converter.makeHtml(text)
) )
); );
// add table classes from bootstrap css // add table classes from bootstrap css
$plainText.find('table').addClass('table-condensed table-bordered'); $plainText.find('table').addClass('table-condensed table-bordered');
break; break;
case 'syntaxhighlighting':
// yes, this is really needed to initialize the environment
if (typeof prettyPrint === 'function')
{
prettyPrint();
}
$prettyPrint.html(
DOMPurify.sanitize(
prettyPrintOne(escapedLinkedText, null, true)
)
);
// fall through, as the rest is the same
default: // = 'plaintext' default: // = 'plaintext'
$prettyPrint.css('white-space', 'pre-wrap'); $prettyPrint.html(DOMPurify.sanitize(
$prettyPrint.css('word-break', 'normal'); processedText, {
$prettyPrint.removeClass('prettyprint'); ALLOWED_TAGS: ['a'],
ALLOWED_ATTR: ['href', 'rel']
}
));
}
// set block style for non-Markdown formatting
if (format !== 'markdown') {
$prettyPrint.css('white-space', 'pre-wrap');
$prettyPrint.css('word-break', 'normal');
$prettyPrint.removeClass('prettyprint');
} }
} }

2
tpl/bootstrap.php
View File

@ -72,7 +72,7 @@ endif;
?> ?>
<script type="text/javascript" data-cfasync="false" src="js/purify-2.0.8.js" integrity="sha512-x2Kev3A7fqc/QKCzRHoJ7qCiglgxXtY8WDUMPOUBI6jVueqRkRMGjP1IqD9iUWVuND81ckCCS27Br5M11tw0IA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/purify-2.0.8.js" integrity="sha512-x2Kev3A7fqc/QKCzRHoJ7qCiglgxXtY8WDUMPOUBI6jVueqRkRMGjP1IqD9iUWVuND81ckCCS27Br5M11tw0IA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-3L/E22cdC3wDFXKM1i32bw4HdrfX14du2xswUKanOY6CLrD+e0hykmLvES+zfBKF1GFQFKr3OmdCVH2y+zHlsA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-3L/E22cdC3wDFXKM1i32bw4HdrfX14du2xswUKanOY6CLrD+e0hykmLvES+zfBKF1GFQFKr3OmdCVH2y+zHlsA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-oFz+/zZ/kgeaA2BnbXgGhb74k9E13EiyA/TXGeWRoGo/7ZK+eScOHZfw8+GRNGqDq/d5EVMXwh9OcftfjHnNmA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-orzZ0Xa2whu2x2rgs9pUPD3cbbw2kMK9GeCIQPC50/H66tgobl3LjsGNREI6s0porBoJ+Wp6icp+Z1FqyQ/bxA==" crossorigin="anonymous"></script>
<link rel="apple-touch-icon" href="img/apple-touch-icon.png?<?php echo rawurlencode($VERSION); ?>" sizes="180x180" /> <link rel="apple-touch-icon" href="img/apple-touch-icon.png?<?php echo rawurlencode($VERSION); ?>" sizes="180x180" />
<link rel="icon" type="image/png" href="img/favicon-32x32.png?<?php echo rawurlencode($VERSION); ?>" sizes="32x32" /> <link rel="icon" type="image/png" href="img/favicon-32x32.png?<?php echo rawurlencode($VERSION); ?>" sizes="32x32" />
<link rel="icon" type="image/png" href="img/favicon-16x16.png?<?php echo rawurlencode($VERSION); ?>" sizes="16x16" /> <link rel="icon" type="image/png" href="img/favicon-16x16.png?<?php echo rawurlencode($VERSION); ?>" sizes="16x16" />

2
tpl/page.php
View File

@ -50,7 +50,7 @@ endif;
?> ?>
<script type="text/javascript" data-cfasync="false" src="js/purify-2.0.8.js" integrity="sha512-x2Kev3A7fqc/QKCzRHoJ7qCiglgxXtY8WDUMPOUBI6jVueqRkRMGjP1IqD9iUWVuND81ckCCS27Br5M11tw0IA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/purify-2.0.8.js" integrity="sha512-x2Kev3A7fqc/QKCzRHoJ7qCiglgxXtY8WDUMPOUBI6jVueqRkRMGjP1IqD9iUWVuND81ckCCS27Br5M11tw0IA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-3L/E22cdC3wDFXKM1i32bw4HdrfX14du2xswUKanOY6CLrD+e0hykmLvES+zfBKF1GFQFKr3OmdCVH2y+zHlsA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/legacy.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-3L/E22cdC3wDFXKM1i32bw4HdrfX14du2xswUKanOY6CLrD+e0hykmLvES+zfBKF1GFQFKr3OmdCVH2y+zHlsA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-oFz+/zZ/kgeaA2BnbXgGhb74k9E13EiyA/TXGeWRoGo/7ZK+eScOHZfw8+GRNGqDq/d5EVMXwh9OcftfjHnNmA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-orzZ0Xa2whu2x2rgs9pUPD3cbbw2kMK9GeCIQPC50/H66tgobl3LjsGNREI6s0porBoJ+Wp6icp+Z1FqyQ/bxA==" crossorigin="anonymous"></script>
<link rel="apple-touch-icon" href="img/apple-touch-icon.png?<?php echo rawurlencode($VERSION); ?>" sizes="180x180" /> <link rel="apple-touch-icon" href="img/apple-touch-icon.png?<?php echo rawurlencode($VERSION); ?>" sizes="180x180" />
<link rel="icon" type="image/png" href="img/favicon-32x32.png?<?php echo rawurlencode($VERSION); ?>" sizes="32x32" /> <link rel="icon" type="image/png" href="img/favicon-32x32.png?<?php echo rawurlencode($VERSION); ?>" sizes="32x32" />
<link rel="icon" type="image/png" href="img/favicon-16x16.png?<?php echo rawurlencode($VERSION); ?>" sizes="16x16" /> <link rel="icon" type="image/png" href="img/favicon-16x16.png?<?php echo rawurlencode($VERSION); ?>" sizes="16x16" />