/
home
/
altere25
/
highwoodoutdoorpool.com
/
wp-includes
/
/home/altere25/highwoodoutdoorpool.com/wp-includes
mkdir
upload
Name
Size
Mode
Actions
assets/
-
0755
rm
blocks/
-
0755
rm
certificates/
-
0755
rm
css/
-
0755
rm
customize/
-
0755
rm
fonts/
-
0755
rm
ID3/
-
0755
rm
images/
-
0755
rm
IXR/
-
0755
rm
js/
-
0755
rm
pomo/
-
0755
rm
random_compat/
-
0755
rm
Requests/
-
0755
rm
rest-api/
-
0755
rm
SimplePie/
-
0755
rm
sodium_compat/
-
0755
rm
Text/
-
0755
rm
theme-compat/
-
0755
rm
widgets/
-
0755
rm
.htaccess
178
0644
edit
dl
rm
admin-bar.php
31315
0644
edit
dl
rm
atomlib.php
11840
0644
edit
dl
rm
author-template.php
17037
0644
edit
dl
rm
blocks.php
19262
0644
edit
dl
rm
bookmark-template.php
12503
0644
edit
dl
rm
bookmark.php
15014
0644
edit
dl
rm
cache.php
8801
0644
edit
dl
rm
canonical.php
29628
0644
edit
dl
rm
capabilities.php
34685
0644
edit
dl
rm
category-template.php
53088
0644
edit
dl
rm
category.php
12202
0644
edit
dl
rm
class-feed.php
529
0644
edit
dl
rm
class-http.php
39108
0644
edit
dl
rm
class-IXR.php
2543
0644
edit
dl
rm
class-json.php
43447
0644
edit
dl
rm
class-oembed.php
407
0644
edit
dl
rm
class-phpass.php
7319
0644
edit
dl
rm
class-phpmailer.php
148589
0644
edit
dl
rm
class-pop3.php
20919
0644
edit
dl
rm
class-requests.php
29804
0644
edit
dl
rm
class-simplepie.php
89261
0644
edit
dl
rm
class-smtp.php
40919
0644
edit
dl
rm
class-snoopy.php
37785
0644
edit
dl
rm
class-walker-category-dropdown.php
2127
0644
edit
dl
rm
class-walker-category.php
7874
0644
edit
dl
rm
class-walker-comment.php
13683
0644
edit
dl
rm
class-walker-nav-menu.php
8650
0644
edit
dl
rm
class-walker-page-dropdown.php
2299
0644
edit
dl
rm
class-walker-page.php
7033
0644
edit
dl
rm
class-wp-admin-bar.php
17185
0644
edit
dl
rm
class-wp-ajax-response.php
5236
0644
edit
dl
rm
class-wp-block-parser.php
15215
0644
edit
dl
rm
class-wp-block-styles-registry.php
4728
0644
edit
dl
rm
class-wp-block-type-registry.php
5091
0644
edit
dl
rm
class-wp-block-type.php
4815
0644
edit
dl
rm
class-wp-comment-query.php
44522
0644
edit
dl
rm
class-wp-comment.php
8968
0644
edit
dl
rm
class-wp-customize-control.php
25505
0644
edit
dl
rm
class-wp-customize-manager.php
200156
0644
edit
dl
rm
class-wp-customize-nav-menus.php
54965
0644
edit
dl
rm
class-wp-customize-panel.php
10406
0644
edit
dl
rm
class-wp-customize-section.php
10974
0644
edit
dl
rm
class-wp-customize-setting.php
29680
0644
edit
dl
rm
class-wp-customize-widgets.php
66974
0644
edit
dl
rm
class-wp-date-query.php
35280
0644
edit
dl
rm
class-wp-dependency.php
2500
0644
edit
dl
rm
class-wp-editor.php
70665
0644
edit
dl
rm
class-wp-embed.php
14802
0644
edit
dl
rm
class-wp-error.php
4923
0644
edit
dl
rm
class-wp-fatal-error-handler.php
7416
0644
edit
dl
rm
class-wp-feed-cache-transient.php
2560
0644
edit
dl
rm
class-wp-feed-cache.php
749
0644
edit
dl
rm
class-wp-hook.php
14051
0644
edit
dl
rm
class-wp-http-cookie.php
7146
0644
edit
dl
rm
class-wp-http-curl.php
12330
0644
edit
dl
rm
class-wp-http-encoding.php
6510
0644
edit
dl
rm
class-wp-http-ixr-client.php
3339
0644
edit
dl
rm
class-wp-http-proxy.php
6077
0644
edit
dl
rm
class-wp-http-requests-hooks.php
1950
0644
edit
dl
rm
class-wp-http-requests-response.php
4343
0644
edit
dl
rm
class-wp-http-response.php
2951
0644
edit
dl
rm
class-wp-http-streams.php
16079
0644
edit
dl
rm
class-wp-image-editor-gd.php
14104
0644
edit
dl
rm
class-wp-image-editor-imagick.php
29052
0644
edit
dl
rm
class-wp-image-editor.php
14016
0644
edit
dl
rm
class-wp-list-util.php
6407
0644
edit
dl
rm
class-wp-locale-switcher.php
5022
0644
edit
dl
rm
class-wp-locale.php
13914
0644
edit
dl
rm
class-wp-matchesmapregex.php
1805
0644
edit
dl
rm
class-wp-meta-query.php
27855
0644
edit
dl
rm
class-wp-metadata-lazyloader.php
5386
0644
edit
dl
rm
class-wp-network-query.php
18372
0644
edit
dl
rm
class-wp-network.php
12376
0644
edit
dl
rm
class-wp-object-cache.php
12848
0644
edit
dl
rm
class-wp-oembed-controller.php
6027
0644
edit
dl
rm
class-wp-oembed.php
30476
0644
edit
dl
rm
class-wp-paused-extensions-storage.php
4931
0644
edit
dl
rm
class-wp-post-type.php
19533
0644
edit
dl
rm
class-wp-post.php
6441
0644
edit
dl
rm
class-wp-query.php
132783
0644
edit
dl
rm
class-wp-recovery-mode-cookie-service.php
6457
0644
edit
dl
rm
class-wp-recovery-mode-email-service.php
10121
0644
edit
dl
rm
class-wp-recovery-mode-key-service.php
4282
0644
edit
dl
rm
class-wp-recovery-mode-link-service.php
3368
0644
edit
dl
rm
class-wp-recovery-mode.php
11356
0644
edit
dl
rm
class-wp-rewrite.php
60831
0644
edit
dl
rm
class-wp-role.php
2792
0644
edit
dl
rm
class-wp-roles.php
8406
0644
edit
dl
rm
class-wp-session-tokens.php
7431
0644
edit
dl
rm
class-wp-simplepie-file.php
2328
0644
edit
dl
rm
class-wp-simplepie-sanitize-kses.php
1775
0644
edit
dl
rm
class-wp-site-query.php
28532
0644
edit
dl
rm
class-wp-site.php
7367
0644
edit
dl
rm
class-wp-tax-query.php
19442
0644
edit
dl
rm
class-wp-taxonomy.php
10842
0644
edit
dl
rm
class-wp-term-query.php
35527
0644
edit
dl
rm
class-wp-term.php
5265
0644
edit
dl
rm
class-wp-text-diff-renderer-inline.php
716
0644
edit
dl
rm
class-wp-text-diff-renderer-table.php
16831
0644
edit
dl
rm
class-wp-theme.php
51704
0644
edit
dl
rm
class-wp-user-meta-session-tokens.php
2990
0644
edit
dl
rm
class-wp-user-query.php
31302
0644
edit
dl
rm
class-wp-user-request.php
1996
0644
edit
dl
rm
class-wp-user.php
21872
0644
edit
dl
rm
class-wp-walker.php
12722
0644
edit
dl
rm
class-wp-widget-factory.php
2620
0644
edit
dl
rm
class-wp-widget.php
17902
0644
edit
dl
rm
class-wp-xmlrpc-server.php
210317
0644
edit
dl
rm
class-wp.php
24688
0644
edit
dl
rm
class.wp-dependencies.php
12674
0644
edit
dl
rm
class.wp-scripts.php
18150
0644
edit
dl
rm
class.wp-styles.php
10682
0644
edit
dl
rm
comment-template.php
92992
0644
edit
dl
rm
comment.php
117641
0644
edit
dl
rm
compat.php
12989
0644
edit
dl
rm
cron.php
32667
0644
edit
dl
rm
date.php
406
0644
edit
dl
rm
default-constants.php
10157
0644
edit
dl
rm
default-filters.php
26110
0644
edit
dl
rm
default-widgets.php
2123
0644
edit
dl
rm
deprecated.php
114945
0644
edit
dl
rm
embed-template.php
341
0644
edit
dl
rm
embed.php
47626
0644
edit
dl
rm
error-protection.php
3385
0644
edit
dl
rm
feed-atom-comments.php
5444
0644
edit
dl
rm
feed-atom.php
3102
0644
edit
dl
rm
feed-rdf.php
2668
0644
edit
dl
rm
feed-rss.php
1189
0644
edit
dl
rm
feed-rss2-comments.php
4088
0644
edit
dl
rm
feed-rss2.php
3799
0644
edit
dl
rm
feed.php
22060
0644
edit
dl
rm
formatting.php
299006
0644
edit
dl
rm
functions.php
231776
0644
edit
dl
rm
functions.wp-scripts.php
12842
0644
edit
dl
rm
functions.wp-styles.php
8245
0644
edit
dl
rm
general-template.php
152929
0644
edit
dl
rm
http.php
24317
0644
edit
dl
rm
kses.php
59004
0644
edit
dl
rm
l10n.php
53829
0644
edit
dl
rm
link-template.php
143795
0644
edit
dl
rm
load.php
43955
0644
edit
dl
rm
locale.php
162
0644
edit
dl
rm
media-template.php
58104
0644
edit
dl
rm
media.php
151345
0644
edit
dl
rm
meta.php
50493
0644
edit
dl
rm
ms-blogs.php
24986
0644
edit
dl
rm
ms-default-constants.php
4787
0644
edit
dl
rm
ms-default-filters.php
6428
0644
edit
dl
rm
ms-deprecated.php
21122
0644
edit
dl
rm
ms-files.php
2641
0644
edit
dl
rm
ms-functions.php
89438
0644
edit
dl
rm
ms-load.php
19797
0644
edit
dl
rm
ms-network.php
3658
0644
edit
dl
rm
ms-settings.php
4122
0644
edit
dl
rm
ms-site.php
43033
0644
edit
dl
rm
nav-menu-template.php
22150
0644
edit
dl
rm
nav-menu.php
41745
0644
edit
dl
rm
option.php
70890
0644
edit
dl
rm
pluggable-deprecated.php
6263
0644
edit
dl
rm
pluggable.php
101305
0644
edit
dl
rm
plugin.php
32201
0644
edit
dl
rm
post-formats.php
7069
0644
edit
dl
rm
post-template.php
63160
0644
edit
dl
rm
post-thumbnail-template.php
9021
0644
edit
dl
rm
post.php
246573
0644
edit
dl
rm
query.php
34218
0644
edit
dl
rm
registration-functions.php
202
0644
edit
dl
rm
registration.php
202
0644
edit
dl
rm
rest-api.php
47360
0644
edit
dl
rm
revision.php
21710
0644
edit
dl
rm
rewrite.php
18048
0644
edit
dl
rm
rss-functions.php
211
0644
edit
dl
rm
rss.php
23208
0644
edit
dl
rm
script-loader.php
104915
0644
edit
dl
rm
session.php
258
0644
edit
dl
rm
shortcodes.php
22355
0644
edit
dl
rm
spl-autoload-compat.php
443
0644
edit
dl
rm
taxonomy.php
158347
0644
edit
dl
rm
template-loader.php
3352
0644
edit
dl
rm
template.php
21046
0644
edit
dl
rm
theme.php
104946
0644
edit
dl
rm
update.php
25689
0644
edit
dl
rm
user.php
132580
0644
edit
dl
rm
vars.php
5820
0644
edit
dl
rm
version.php
766
0644
edit
dl
rm
widgets.php
58785
0644
edit
dl
rm
wlwmanifest.xml
1045
0644
edit
dl
rm
wp-db.php
103912
0644
edit
dl
rm
wp-diff.php
647
0644
edit
dl
rm
Edit:
/home/altere25/highwoodoutdoorpool.com/wp-includes/kses.php
(59004B)
<?php /** * kses 0.2.2 - HTML/XHTML filter that only allows some elements and attributes * Copyright (C) 2002, 2003, 2005 Ulf Harnhammar * * This program is free software and open source software; you can redistribute * it and/or modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the License, * or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * http://www.gnu.org/licenses/gpl.html * * [kses strips evil scripts!] * * Added wp_ prefix to avoid conflicts with existing kses users * * @version 0.2.2 * @copyright (C) 2002, 2003, 2005 * @author Ulf Harnhammar <http://advogato.org/person/metaur/> * * @package External * @subpackage KSES */ /** * Specifies the default allowable HTML tags. * * Using `CUSTOM_TAGS` is not recommended and should be considered deprecated. The * {@see 'wp_kses_allowed_html'} filter is more powerful and supplies context. * * @see wp_kses_allowed_html() * @since 1.2.0 * * @var array[]|bool Array of default allowable HTML tags, or false to use the defaults. */ if ( ! defined( 'CUSTOM_TAGS' ) ) { define( 'CUSTOM_TAGS', false ); } // Ensure that these variables are added to the global namespace // (e.g. if using namespaces / autoload in the current PHP environment). global $allowedposttags, $allowedtags, $allowedentitynames; if ( ! CUSTOM_TAGS ) { /** * KSES global for default allowable HTML tags. * * Can be overridden with the `CUSTOM_TAGS` constant. * * @var array[] $allowedposttags Array of default allowable HTML tags. * @since 2.0.0 */ $allowedposttags = array( 'address' => array(), 'a' => array( 'href' => true, 'rel' => true, 'rev' => true, 'name' => true, 'target' => true, 'download' => array( 'valueless' => 'y', ), ), 'abbr' => array(), 'acronym' => array(), 'area' => array( 'alt' => true, 'coords' => true, 'href' => true, 'nohref' => true, 'shape' => true, 'target' => true, ), 'article' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'aside' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'audio' => array( 'autoplay' => true, 'controls' => true, 'loop' => true, 'muted' => true, 'preload' => true, 'src' => true, ), 'b' => array(), 'bdo' => array( 'dir' => true, ), 'big' => array(), 'blockquote' => array( 'cite' => true, 'lang' => true, 'xml:lang' => true, ), 'br' => array(), 'button' => array( 'disabled' => true, 'name' => true, 'type' => true, 'value' => true, ), 'caption' => array( 'align' => true, ), 'cite' => array( 'dir' => true, 'lang' => true, ), 'code' => array(), 'col' => array( 'align' => true, 'char' => true, 'charoff' => true, 'span' => true, 'dir' => true, 'valign' => true, 'width' => true, ), 'colgroup' => array( 'align' => true, 'char' => true, 'charoff' => true, 'span' => true, 'valign' => true, 'width' => true, ), 'del' => array( 'datetime' => true, ), 'dd' => array(), 'dfn' => array(), 'details' => array( 'align' => true, 'dir' => true, 'lang' => true, 'open' => true, 'xml:lang' => true, ), 'div' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'dl' => array(), 'dt' => array(), 'em' => array(), 'fieldset' => array(), 'figure' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'figcaption' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'font' => array( 'color' => true, 'face' => true, 'size' => true, ), 'footer' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'h1' => array( 'align' => true, ), 'h2' => array( 'align' => true, ), 'h3' => array( 'align' => true, ), 'h4' => array( 'align' => true, ), 'h5' => array( 'align' => true, ), 'h6' => array( 'align' => true, ), 'header' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'hgroup' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'hr' => array( 'align' => true, 'noshade' => true, 'size' => true, 'width' => true, ), 'i' => array(), 'img' => array( 'alt' => true, 'align' => true, 'border' => true, 'height' => true, 'hspace' => true, 'longdesc' => true, 'vspace' => true, 'src' => true, 'usemap' => true, 'width' => true, ), 'ins' => array( 'datetime' => true, 'cite' => true, ), 'kbd' => array(), 'label' => array( 'for' => true, ), 'legend' => array( 'align' => true, ), 'li' => array( 'align' => true, 'value' => true, ), 'map' => array( 'name' => true, ), 'mark' => array(), 'menu' => array( 'type' => true, ), 'nav' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'p' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'pre' => array( 'width' => true, ), 'q' => array( 'cite' => true, ), 's' => array(), 'samp' => array(), 'span' => array( 'dir' => true, 'align' => true, 'lang' => true, 'xml:lang' => true, ), 'section' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'small' => array(), 'strike' => array(), 'strong' => array(), 'sub' => array(), 'summary' => array( 'align' => true, 'dir' => true, 'lang' => true, 'xml:lang' => true, ), 'sup' => array(), 'table' => array( 'align' => true, 'bgcolor' => true, 'border' => true, 'cellpadding' => true, 'cellspacing' => true, 'dir' => true, 'rules' => true, 'summary' => true, 'width' => true, ), 'tbody' => array( 'align' => true, 'char' => true, 'charoff' => true, 'valign' => true, ), 'td' => array( 'abbr' => true, 'align' => true, 'axis' => true, 'bgcolor' => true, 'char' => true, 'charoff' => true, 'colspan' => true, 'dir' => true, 'headers' => true, 'height' => true, 'nowrap' => true, 'rowspan' => true, 'scope' => true, 'valign' => true, 'width' => true, ), 'textarea' => array( 'cols' => true, 'rows' => true, 'disabled' => true, 'name' => true, 'readonly' => true, ), 'tfoot' => array( 'align' => true, 'char' => true, 'charoff' => true, 'valign' => true, ), 'th' => array( 'abbr' => true, 'align' => true, 'axis' => true, 'bgcolor' => true, 'char' => true, 'charoff' => true, 'colspan' => true, 'headers' => true, 'height' => true, 'nowrap' => true, 'rowspan' => true, 'scope' => true, 'valign' => true, 'width' => true, ), 'thead' => array( 'align' => true, 'char' => true, 'charoff' => true, 'valign' => true, ), 'title' => array(), 'tr' => array( 'align' => true, 'bgcolor' => true, 'char' => true, 'charoff' => true, 'valign' => true, ), 'track' => array( 'default' => true, 'kind' => true, 'label' => true, 'src' => true, 'srclang' => true, ), 'tt' => array(), 'u' => array(), 'ul' => array( 'type' => true, ), 'ol' => array( 'start' => true, 'type' => true, 'reversed' => true, ), 'var' => array(), 'video' => array( 'autoplay' => true, 'controls' => true, 'height' => true, 'loop' => true, 'muted' => true, 'poster' => true, 'preload' => true, 'src' => true, 'width' => true, ), ); /** * @var array[] $allowedtags Array of KSES allowed HTML elements. * @since 1.0.0 */ $allowedtags = array( 'a' => array( 'href' => true, 'title' => true, ), 'abbr' => array( 'title' => true, ), 'acronym' => array( 'title' => true, ), 'b' => array(), 'blockquote' => array( 'cite' => true, ), 'cite' => array(), 'code' => array(), 'del' => array( 'datetime' => true, ), 'em' => array(), 'i' => array(), 'q' => array( 'cite' => true, ), 's' => array(), 'strike' => array(), 'strong' => array(), ); /** * @var string[] $allowedentitynames Array of KSES allowed HTML entitity names. * @since 1.0.0 */ $allowedentitynames = array( 'nbsp', 'iexcl', 'cent', 'pound', 'curren', 'yen', 'brvbar', 'sect', 'uml', 'copy', 'ordf', 'laquo', 'not', 'shy', 'reg', 'macr', 'deg', 'plusmn', 'acute', 'micro', 'para', 'middot', 'cedil', 'ordm', 'raquo', 'iquest', 'Agrave', 'Aacute', 'Acirc', 'Atilde', 'Auml', 'Aring', 'AElig', 'Ccedil', 'Egrave', 'Eacute', 'Ecirc', 'Euml', 'Igrave', 'Iacute', 'Icirc', 'Iuml', 'ETH', 'Ntilde', 'Ograve', 'Oacute', 'Ocirc', 'Otilde', 'Ouml', 'times', 'Oslash', 'Ugrave', 'Uacute', 'Ucirc', 'Uuml', 'Yacute', 'THORN', 'szlig', 'agrave', 'aacute', 'acirc', 'atilde', 'auml', 'aring', 'aelig', 'ccedil', 'egrave', 'eacute', 'ecirc', 'euml', 'igrave', 'iacute', 'icirc', 'iuml', 'eth', 'ntilde', 'ograve', 'oacute', 'ocirc', 'otilde', 'ouml', 'divide', 'oslash', 'ugrave', 'uacute', 'ucirc', 'uuml', 'yacute', 'thorn', 'yuml', 'quot', 'amp', 'lt', 'gt', 'apos', 'OElig', 'oelig', 'Scaron', 'scaron', 'Yuml', 'circ', 'tilde', 'ensp', 'emsp', 'thinsp', 'zwnj', 'zwj', 'lrm', 'rlm', 'ndash', 'mdash', 'lsquo', 'rsquo', 'sbquo', 'ldquo', 'rdquo', 'bdquo', 'dagger', 'Dagger', 'permil', 'lsaquo', 'rsaquo', 'euro', 'fnof', 'Alpha', 'Beta', 'Gamma', 'Delta', 'Epsilon', 'Zeta', 'Eta', 'Theta', 'Iota', 'Kappa', 'Lambda', 'Mu', 'Nu', 'Xi', 'Omicron', 'Pi', 'Rho', 'Sigma', 'Tau', 'Upsilon', 'Phi', 'Chi', 'Psi', 'Omega', 'alpha', 'beta', 'gamma', 'delta', 'epsilon', 'zeta', 'eta', 'theta', 'iota', 'kappa', 'lambda', 'mu', 'nu', 'xi', 'omicron', 'pi', 'rho', 'sigmaf', 'sigma', 'tau', 'upsilon', 'phi', 'chi', 'psi', 'omega', 'thetasym', 'upsih', 'piv', 'bull', 'hellip', 'prime', 'Prime', 'oline', 'frasl', 'weierp', 'image', 'real', 'trade', 'alefsym', 'larr', 'uarr', 'rarr', 'darr', 'harr', 'crarr', 'lArr', 'uArr', 'rArr', 'dArr', 'hArr', 'forall', 'part', 'exist', 'empty', 'nabla', 'isin', 'notin', 'ni', 'prod', 'sum', 'minus', 'lowast', 'radic', 'prop', 'infin', 'ang', 'and', 'or', 'cap', 'cup', 'int', 'sim', 'cong', 'asymp', 'ne', 'equiv', 'le', 'ge', 'sub', 'sup', 'nsub', 'sube', 'supe', 'oplus', 'otimes', 'perp', 'sdot', 'lceil', 'rceil', 'lfloor', 'rfloor', 'lang', 'rang', 'loz', 'spades', 'clubs', 'hearts', 'diams', 'sup1', 'sup2', 'sup3', 'frac14', 'frac12', 'frac34', 'there4', ); $allowedposttags = array_map( '_wp_add_global_attributes', $allowedposttags ); } else { $allowedtags = wp_kses_array_lc( $allowedtags ); $allowedposttags = wp_kses_array_lc( $allowedposttags ); } /** * Filters text content and strips out disallowed HTML. * * This function makes sure that only the allowed HTML element names, attribute * names, attribute values, and HTML entities will occur in the given text string. * * This function expects unslashed data. * * @see wp_kses_post() for specifically filtering post content and fields. * @see wp_allowed_protocols() for the default allowed protocols in link URLs. * * @since 1.0.0 * * @param string $string Text content to filter. * @param array[]|string $allowed_html An array of allowed HTML elements and attributes, or a * context name such as 'post'. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Filtered content containing only the allowed HTML. */ function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) { if ( empty( $allowed_protocols ) ) { $allowed_protocols = wp_allowed_protocols(); } $string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) ); $string = wp_kses_normalize_entities( $string ); $string = wp_kses_hook( $string, $allowed_html, $allowed_protocols ); return wp_kses_split( $string, $allowed_html, $allowed_protocols ); } /** * Filters one HTML attribute and ensures its value is allowed. * * This function can escape data in some situations where `wp_kses()` must strip the whole attribute. * * @since 4.2.3 * * @param string $string The 'whole' attribute, including name and value. * @param string $element The HTML element name to which the attribute belongs. * @return string Filtered attribute. */ function wp_kses_one_attr( $string, $element ) { $uris = wp_kses_uri_attributes(); $allowed_html = wp_kses_allowed_html( 'post' ); $allowed_protocols = wp_allowed_protocols(); $string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) ); // Preserve leading and trailing whitespace. $matches = array(); preg_match( '/^\s*/', $string, $matches ); $lead = $matches[0]; preg_match( '/\s*$/', $string, $matches ); $trail = $matches[0]; if ( empty( $trail ) ) { $string = substr( $string, strlen( $lead ) ); } else { $string = substr( $string, strlen( $lead ), -strlen( $trail ) ); } // Parse attribute name and value from input. $split = preg_split( '/\s*=\s*/', $string, 2 ); $name = $split[0]; if ( count( $split ) == 2 ) { $value = $split[1]; // Remove quotes surrounding $value. // Also guarantee correct quoting in $string for this one attribute. if ( '' == $value ) { $quote = ''; } else { $quote = $value[0]; } if ( '"' == $quote || "'" == $quote ) { if ( substr( $value, -1 ) != $quote ) { return ''; } $value = substr( $value, 1, -1 ); } else { $quote = '"'; } // Sanitize quotes, angle braces, and entities. $value = esc_attr( $value ); // Sanitize URI values. if ( in_array( strtolower( $name ), $uris ) ) { $value = wp_kses_bad_protocol( $value, $allowed_protocols ); } $string = "$name=$quote$value$quote"; $vless = 'n'; } else { $value = ''; $vless = 'y'; } // Sanitize attribute by name. wp_kses_attr_check( $name, $value, $string, $vless, $element, $allowed_html ); // Restore whitespace. return $lead . $string . $trail; } /** * Returns an array of allowed HTML tags and attributes for a given context. * * @since 3.5.0 * @since 5.0.1 `form` removed as allowable HTML tag. * * @global array $allowedposttags * @global array $allowedtags * @global array $allowedentitynames * * @param string|array $context The context for which to retrieve tags. Allowed values are 'post', * 'strip', 'data', 'entities', or the name of a field filter such as * 'pre_user_description'. * @return array Array of allowed HTML tags and their allowed attributes. */ function wp_kses_allowed_html( $context = '' ) { global $allowedposttags, $allowedtags, $allowedentitynames; if ( is_array( $context ) ) { /** * Filters the HTML that is allowed for a given context. * * @since 3.5.0 * * @param array[]|string $context Context to judge allowed tags by. * @param string $context_type Context name. */ return apply_filters( 'wp_kses_allowed_html', $context, 'explicit' ); } switch ( $context ) { case 'post': /** This filter is documented in wp-includes/kses.php */ $tags = apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context ); // 5.0.1 removed the `<form>` tag, allow it if a filter is allowing it's sub-elements `<input>` or `<select>`. if ( ! CUSTOM_TAGS && ! isset( $tags['form'] ) && ( isset( $tags['input'] ) || isset( $tags['select'] ) ) ) { $tags = $allowedposttags; $tags['form'] = array( 'action' => true, 'accept' => true, 'accept-charset' => true, 'enctype' => true, 'method' => true, 'name' => true, 'target' => true, ); /** This filter is documented in wp-includes/kses.php */ $tags = apply_filters( 'wp_kses_allowed_html', $tags, $context ); } return $tags; case 'user_description': case 'pre_user_description': $tags = $allowedtags; $tags['a']['rel'] = true; /** This filter is documented in wp-includes/kses.php */ return apply_filters( 'wp_kses_allowed_html', $tags, $context ); case 'strip': /** This filter is documented in wp-includes/kses.php */ return apply_filters( 'wp_kses_allowed_html', array(), $context ); case 'entities': /** This filter is documented in wp-includes/kses.php */ return apply_filters( 'wp_kses_allowed_html', $allowedentitynames, $context ); case 'data': default: /** This filter is documented in wp-includes/kses.php */ return apply_filters( 'wp_kses_allowed_html', $allowedtags, $context ); } } /** * You add any KSES hooks here. * * There is currently only one KSES WordPress hook, {@see 'pre_kses'}, and it is called here. * All parameters are passed to the hooks and expected to receive a string. * * @since 1.0.0 * * @param string $string Content to filter through KSES. * @param array[]|string $allowed_html List of allowed HTML elements. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Filtered content through {@see 'pre_kses'} hook. */ function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) { /** * Filters content to be run through kses. * * @since 2.3.0 * * @param string $string Content to run through KSES. * @param array[]|string $allowed_html Allowed HTML elements. * @param string[] $allowed_protocols Array of allowed URL protocols. */ return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols ); } /** * Returns the version number of KSES. * * @since 1.0.0 * * @return string KSES version number. */ function wp_kses_version() { return '0.2.2'; } /** * Searches for HTML tags, no matter how malformed. * * It also matches stray `>` characters. * * @since 1.0.0 * * @global array $pass_allowed_html * @global array $pass_allowed_protocols * * @param string $string Content to filter. * @param array $allowed_html Allowed HTML elements. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Content with fixed HTML tags */ function wp_kses_split( $string, $allowed_html, $allowed_protocols ) { global $pass_allowed_html, $pass_allowed_protocols; $pass_allowed_html = $allowed_html; $pass_allowed_protocols = $allowed_protocols; return preg_replace_callback( '%(<!--.*?(-->|$))|(<[^>]*(>|$)|>)%', '_wp_kses_split_callback', $string ); } /** * Returns an array of HTML attribute names whose value contains a URL. * * This function returns a list of all HTML attributes that must contain * a URL according to the HTML specification. * * This list includes URI attributes both allowed and disallowed by KSES. * * @link https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes * * @since 5.0.1 * * @return string[] HTML attribute names whose value contains a URL. */ function wp_kses_uri_attributes() { $uri_attributes = array( 'action', 'archive', 'background', 'cite', 'classid', 'codebase', 'data', 'formaction', 'href', 'icon', 'longdesc', 'manifest', 'poster', 'profile', 'src', 'usemap', 'xmlns', ); /** * Filters the list of attributes that are required to contain a URL. * * Use this filter to add any `data-` attributes that are required to be * validated as a URL. * * @since 5.0.1 * * @param string[] $uri_attributes HTML attribute names whose value contains a URL. */ $uri_attributes = apply_filters( 'wp_kses_uri_attributes', $uri_attributes ); return $uri_attributes; } /** * Callback for `wp_kses_split()`. * * @since 3.1.0 * @access private * @ignore * * @global array $pass_allowed_html * @global array $pass_allowed_protocols * * @return string */ function _wp_kses_split_callback( $match ) { global $pass_allowed_html, $pass_allowed_protocols; return wp_kses_split2( $match[0], $pass_allowed_html, $pass_allowed_protocols ); } /** * Callback for `wp_kses_split()` for fixing malformed HTML tags. * * This function does a lot of work. It rejects some very malformed things like * `<:::>`. It returns an empty string, if the element isn't allowed (look ma, no * `strip_tags()`!). Otherwise it splits the tag into an element and an attribute * list. * * After the tag is split into an element and an attribute list, it is run * through another filter which will remove illegal attributes and once that is * completed, will be returned. * * @access private * @ignore * @since 1.0.0 * * @param string $string Content to filter. * @param array $allowed_html Allowed HTML elements. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Fixed HTML element */ function wp_kses_split2( $string, $allowed_html, $allowed_protocols ) { $string = wp_kses_stripslashes( $string ); // It matched a ">" character. if ( substr( $string, 0, 1 ) != '<' ) { return '>'; } // Allow HTML comments. if ( '<!--' == substr( $string, 0, 4 ) ) { $string = str_replace( array( '<!--', '-->' ), '', $string ); while ( ( $newstring = wp_kses( $string, $allowed_html, $allowed_protocols ) ) != $string ) { $string = $newstring; } if ( '' == $string ) { return ''; } // Prevent multiple dashes in comments. $string = preg_replace( '/--+/', '-', $string ); // Prevent three dashes closing a comment. $string = preg_replace( '/-$/', '', $string ); return "<!--{$string}-->"; } // It's seriously malformed. if ( ! preg_match( '%^<\s*(/\s*)?([a-zA-Z0-9-]+)([^>]*)>?$%', $string, $matches ) ) { return ''; } $slash = trim( $matches[1] ); $elem = $matches[2]; $attrlist = $matches[3]; if ( ! is_array( $allowed_html ) ) { $allowed_html = wp_kses_allowed_html( $allowed_html ); } // They are using a not allowed HTML element. if ( ! isset( $allowed_html[ strtolower( $elem ) ] ) ) { return ''; } // No attributes are allowed for closing elements. if ( '' != $slash ) { return "</$elem>"; } return wp_kses_attr( $elem, $attrlist, $allowed_html, $allowed_protocols ); } /** * Removes all attributes, if none are allowed for this element. * * If some are allowed it calls `wp_kses_hair()` to split them further, and then * it builds up new HTML code from the data that `kses_hair()` returns. It also * removes `<` and `>` characters, if there are any left. One more thing it does * is to check if the tag has a closing XHTML slash, and if it does, it puts one * in the returned code as well. * * @since 1.0.0 * * @param string $element HTML element/tag. * @param string $attr HTML attributes from HTML element to closing HTML element tag. * @param array $allowed_html Allowed HTML elements. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Sanitized HTML element. */ function wp_kses_attr( $element, $attr, $allowed_html, $allowed_protocols ) { if ( ! is_array( $allowed_html ) ) { $allowed_html = wp_kses_allowed_html( $allowed_html ); } // Is there a closing XHTML slash at the end of the attributes? $xhtml_slash = ''; if ( preg_match( '%\s*/\s*$%', $attr ) ) { $xhtml_slash = ' /'; } // Are any attributes allowed at all for this element? $element_low = strtolower( $element ); if ( empty( $allowed_html[ $element_low ] ) || true === $allowed_html[ $element_low ] ) { return "<$element$xhtml_slash>"; } // Split it. $attrarr = wp_kses_hair( $attr, $allowed_protocols ); // Go through $attrarr, and save the allowed attributes for this element // in $attr2. $attr2 = ''; foreach ( $attrarr as $arreach ) { if ( wp_kses_attr_check( $arreach['name'], $arreach['value'], $arreach['whole'], $arreach['vless'], $element, $allowed_html ) ) { $attr2 .= ' ' . $arreach['whole']; } } // Remove any "<" or ">" characters. $attr2 = preg_replace( '/[<>]/', '', $attr2 ); return "<$element$attr2$xhtml_slash>"; } /** * Determines whether an attribute is allowed. * * @since 4.2.3 * @since 5.0.0 Add support for `data-*` wildcard attributes. * * @param string $name The attribute name. Passed by reference. Returns empty string when not allowed. * @param string $value The attribute value. Passed by reference. Returns a filtered value. * @param string $whole The `name=value` input. Passed by reference. Returns filtered input. * @param string $vless Whether the attribute is valueless. Use 'y' or 'n'. * @param string $element The name of the element to which this attribute belongs. * @param array $allowed_html The full list of allowed elements and attributes. * @return bool Whether or not the attribute is allowed. */ function wp_kses_attr_check( &$name, &$value, &$whole, $vless, $element, $allowed_html ) { $name_low = strtolower( $name ); $element_low = strtolower( $element ); if ( ! isset( $allowed_html[ $element_low ] ) ) { $name = ''; $value = ''; $whole = ''; return false; } $allowed_attr = $allowed_html[ $element_low ]; if ( ! isset( $allowed_attr[ $name_low ] ) || '' == $allowed_attr[ $name_low ] ) { /* * Allow `data-*` attributes. * * When specifying `$allowed_html`, the attribute name should be set as * `data-*` (not to be mixed with the HTML 4.0 `data` attribute, see * https://www.w3.org/TR/html40/struct/objects.html#adef-data). * * Note: the attribute name should only contain `A-Za-z0-9_-` chars, * double hyphens `--` are not accepted by WordPress. */ if ( strpos( $name_low, 'data-' ) === 0 && ! empty( $allowed_attr['data-*'] ) && preg_match( '/^data(?:-[a-z0-9_]+)+$/', $name_low, $match ) ) { /* * Add the whole attribute name to the allowed attributes and set any restrictions * for the `data-*` attribute values for the current element. */ $allowed_attr[ $match[0] ] = $allowed_attr['data-*']; } else { $name = ''; $value = ''; $whole = ''; return false; } } if ( 'style' == $name_low ) { $new_value = safecss_filter_attr( $value ); if ( empty( $new_value ) ) { $name = ''; $value = ''; $whole = ''; return false; } $whole = str_replace( $value, $new_value, $whole ); $value = $new_value; } if ( is_array( $allowed_attr[ $name_low ] ) ) { // There are some checks. foreach ( $allowed_attr[ $name_low ] as $currkey => $currval ) { if ( ! wp_kses_check_attr_val( $value, $vless, $currkey, $currval ) ) { $name = ''; $value = ''; $whole = ''; return false; } } } return true; } /** * Builds an attribute list from string containing attributes. * * This function does a lot of work. It parses an attribute list into an array * with attribute data, and tries to do the right thing even if it gets weird * input. It will add quotes around attribute values that don't have any quotes * or apostrophes around them, to make it easier to produce HTML code that will * conform to W3C's HTML specification. It will also remove bad URL protocols * from attribute values. It also reduces duplicate attributes by using the * attribute defined first (`foo='bar' foo='baz'` will result in `foo='bar'`). * * @since 1.0.0 * * @param string $attr Attribute list from HTML element to closing HTML element tag. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return array[] Array of attribute information after parsing. */ function wp_kses_hair( $attr, $allowed_protocols ) { $attrarr = array(); $mode = 0; $attrname = ''; $uris = wp_kses_uri_attributes(); // Loop through the whole attribute list. while ( strlen( $attr ) != 0 ) { $working = 0; // Was the last operation successful? switch ( $mode ) { case 0: if ( preg_match( '/^([-a-zA-Z:]+)/', $attr, $match ) ) { $attrname = $match[1]; $working = 1; $mode = 1; $attr = preg_replace( '/^[-a-zA-Z:]+/', '', $attr ); } break; case 1: if ( preg_match( '/^\s*=\s*/', $attr ) ) { // Equals sign. $working = 1; $mode = 2; $attr = preg_replace( '/^\s*=\s*/', '', $attr ); break; } if ( preg_match( '/^\s+/', $attr ) ) { // Valueless. $working = 1; $mode = 0; if ( false === array_key_exists( $attrname, $attrarr ) ) { $attrarr[ $attrname ] = array( 'name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y', ); } $attr = preg_replace( '/^\s+/', '', $attr ); } break; case 2: if ( preg_match( '%^"([^"]*)"(\s+|/?$)%', $attr, $match ) ) { // "value" $thisval = $match[1]; if ( in_array( strtolower( $attrname ), $uris ) ) { $thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols ); } if ( false === array_key_exists( $attrname, $attrarr ) ) { $attrarr[ $attrname ] = array( 'name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n', ); } $working = 1; $mode = 0; $attr = preg_replace( '/^"[^"]*"(\s+|$)/', '', $attr ); break; } if ( preg_match( "%^'([^']*)'(\s+|/?$)%", $attr, $match ) ) { // 'value' $thisval = $match[1]; if ( in_array( strtolower( $attrname ), $uris ) ) { $thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols ); } if ( false === array_key_exists( $attrname, $attrarr ) ) { $attrarr[ $attrname ] = array( 'name' => $attrname, 'value' => $thisval, 'whole' => "$attrname='$thisval'", 'vless' => 'n', ); } $working = 1; $mode = 0; $attr = preg_replace( "/^'[^']*'(\s+|$)/", '', $attr ); break; } if ( preg_match( "%^([^\s\"']+)(\s+|/?$)%", $attr, $match ) ) { // value $thisval = $match[1]; if ( in_array( strtolower( $attrname ), $uris ) ) { $thisval = wp_kses_bad_protocol( $thisval, $allowed_protocols ); } if ( false === array_key_exists( $attrname, $attrarr ) ) { $attrarr[ $attrname ] = array( 'name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n', ); } // We add quotes to conform to W3C's HTML spec. $working = 1; $mode = 0; $attr = preg_replace( "%^[^\s\"']+(\s+|$)%", '', $attr ); } break; } // End switch. if ( 0 == $working ) { // Not well-formed, remove and try again. $attr = wp_kses_html_error( $attr ); $mode = 0; } } // End while. if ( 1 == $mode && false === array_key_exists( $attrname, $attrarr ) ) { // Special case, for when the attribute list ends with a valueless // attribute like "selected". $attrarr[ $attrname ] = array( 'name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y', ); } return $attrarr; } /** * Finds all attributes of an HTML element. * * Does not modify input. May return "evil" output. * * Based on `wp_kses_split2()` and `wp_kses_attr()`. * * @since 4.2.3 * * @param string $element HTML element. * @return array|bool List of attributes found in the element. Returns false on failure. */ function wp_kses_attr_parse( $element ) { $valid = preg_match( '%^(<\s*)(/\s*)?([a-zA-Z0-9]+\s*)([^>]*)(>?)$%', $element, $matches ); if ( 1 !== $valid ) { return false; } $begin = $matches[1]; $slash = $matches[2]; $elname = $matches[3]; $attr = $matches[4]; $end = $matches[5]; if ( '' !== $slash ) { // Closing elements do not get parsed. return false; } // Is there a closing XHTML slash at the end of the attributes? if ( 1 === preg_match( '%\s*/\s*$%', $attr, $matches ) ) { $xhtml_slash = $matches[0]; $attr = substr( $attr, 0, -strlen( $xhtml_slash ) ); } else { $xhtml_slash = ''; } // Split it. $attrarr = wp_kses_hair_parse( $attr ); if ( false === $attrarr ) { return false; } // Make sure all input is returned by adding front and back matter. array_unshift( $attrarr, $begin . $slash . $elname ); array_push( $attrarr, $xhtml_slash . $end ); return $attrarr; } /** * Builds an attribute list from string containing attributes. * * Does not modify input. May return "evil" output. * In case of unexpected input, returns false instead of stripping things. * * Based on `wp_kses_hair()` but does not return a multi-dimensional array. * * @since 4.2.3 * * @param string $attr Attribute list from HTML element to closing HTML element tag. * @return array|bool List of attributes found in $attr. Returns false on failure. */ function wp_kses_hair_parse( $attr ) { if ( '' === $attr ) { return array(); } // phpcs:disable Squiz.Strings.ConcatenationSpacing.PaddingFound -- don't remove regex indentation $regex = '(?:' . '[-a-zA-Z:]+' // Attribute name. . '|' . '\[\[?[^\[\]]+\]\]?' // Shortcode in the name position implies unfiltered_html. . ')' . '(?:' // Attribute value. . '\s*=\s*' // All values begin with '='. . '(?:' . '"[^"]*"' // Double-quoted. . '|' . "'[^']*'" // Single-quoted. . '|' . '[^\s"\']+' // Non-quoted. . '(?:\s|$)' // Must have a space. . ')' . '|' . '(?:\s|$)' // If attribute has no value, space is required. . ')' . '\s*'; // Trailing space is optional except as mentioned above. // phpcs:enable // Although it is possible to reduce this procedure to a single regexp, // we must run that regexp twice to get exactly the expected result. $validation = "%^($regex)+$%"; $extraction = "%$regex%"; if ( 1 === preg_match( $validation, $attr ) ) { preg_match_all( $extraction, $attr, $attrarr ); return $attrarr[0]; } else { return false; } } /** * Performs different checks for attribute values. * * The currently implemented checks are "maxlen", "minlen", "maxval", "minval", * and "valueless". * * @since 1.0.0 * * @param string $value Attribute value. * @param string $vless Whether the attribute is valueless. Use 'y' or 'n'. * @param string $checkname What $checkvalue is checking for. * @param mixed $checkvalue What constraint the value should pass. * @return bool Whether check passes. */ function wp_kses_check_attr_val( $value, $vless, $checkname, $checkvalue ) { $ok = true; switch ( strtolower( $checkname ) ) { case 'maxlen': /* * The maxlen check makes sure that the attribute value has a length not * greater than the given value. This can be used to avoid Buffer Overflows * in WWW clients and various Internet servers. */ if ( strlen( $value ) > $checkvalue ) { $ok = false; } break; case 'minlen': /* * The minlen check makes sure that the attribute value has a length not * smaller than the given value. */ if ( strlen( $value ) < $checkvalue ) { $ok = false; } break; case 'maxval': /* * The maxval check does two things: it checks that the attribute value is * an integer from 0 and up, without an excessive amount of zeroes or * whitespace (to avoid Buffer Overflows). It also checks that the attribute * value is not greater than the given value. * This check can be used to avoid Denial of Service attacks. */ if ( ! preg_match( '/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value ) ) { $ok = false; } if ( $value > $checkvalue ) { $ok = false; } break; case 'minval': /* * The minval check makes sure that the attribute value is a positive integer, * and that it is not smaller than the given value. */ if ( ! preg_match( '/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value ) ) { $ok = false; } if ( $value < $checkvalue ) { $ok = false; } break; case 'valueless': /* * The valueless check makes sure if the attribute has a value * (like `<a href="blah">`) or not (`<option selected>`). If the given value * is a "y" or a "Y", the attribute must not have a value. * If the given value is an "n" or an "N", the attribute must have a value. */ if ( strtolower( $checkvalue ) != $vless ) { $ok = false; } break; } // End switch. return $ok; } /** * Sanitizes a string and removed disallowed URL protocols. * * This function removes all non-allowed protocols from the beginning of the * string. It ignores whitespace and the case of the letters, and it does * understand HTML entities. It does its work recursively, so it won't be * fooled by a string like `javascript:javascript:alert(57)`. * * @since 1.0.0 * * @param string $string Content to filter bad protocols from. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Filtered content. */ function wp_kses_bad_protocol( $string, $allowed_protocols ) { $string = wp_kses_no_null( $string ); $iterations = 0; do { $original_string = $string; $string = wp_kses_bad_protocol_once( $string, $allowed_protocols ); } while ( $original_string != $string && ++$iterations < 6 ); if ( $original_string != $string ) { return ''; } return $string; } /** * Removes any invalid control characters in a text string. * * Also removes any instance of the `\0` string. * * @since 1.0.0 * * @param string $string Content to filter null characters from. * @param array $options Set 'slash_zero' => 'keep' when '\0' is allowed. Default is 'remove'. * @return string Filtered content. */ function wp_kses_no_null( $string, $options = null ) { if ( ! isset( $options['slash_zero'] ) ) { $options = array( 'slash_zero' => 'remove' ); } $string = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string ); if ( 'remove' == $options['slash_zero'] ) { $string = preg_replace( '/\\\\+0+/', '', $string ); } return $string; } /** * Strips slashes from in front of quotes. * * This function changes the character sequence `\"` to just `"`. It leaves all other * slashes alone. The quoting from `preg_replace(//e)` requires this. * * @since 1.0.0 * * @param string $string String to strip slashes from. * @return string Fixed string with quoted slashes. */ function wp_kses_stripslashes( $string ) { return preg_replace( '%\\\\"%', '"', $string ); } /** * Converts the keys of an array to lowercase. * * @since 1.0.0 * * @param array $inarray Unfiltered array. * @return array Fixed array with all lowercase keys. */ function wp_kses_array_lc( $inarray ) { $outarray = array(); foreach ( (array) $inarray as $inkey => $inval ) { $outkey = strtolower( $inkey ); $outarray[ $outkey ] = array(); foreach ( (array) $inval as $inkey2 => $inval2 ) { $outkey2 = strtolower( $inkey2 ); $outarray[ $outkey ][ $outkey2 ] = $inval2; } } return $outarray; } /** * Handles parsing errors in `wp_kses_hair()`. * * The general plan is to remove everything to and including some whitespace, * but it deals with quotes and apostrophes as well. * * @since 1.0.0 * * @param string $string * @return string */ function wp_kses_html_error( $string ) { return preg_replace( '/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string ); } /** * Sanitizes content from bad protocols and other characters. * * This function searches for URL protocols at the beginning of the string, while * handling whitespace and HTML entities. * * @since 1.0.0 * * @param string $string Content to check for bad protocols. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Sanitized content. */ function wp_kses_bad_protocol_once( $string, $allowed_protocols, $count = 1 ) { $string = preg_replace( '/(�*58(?![;0-9])|�*3a(?![;a-f0-9]))/i', '$1;', $string ); $string2 = preg_split( '/:|�*58;|�*3a;|:/i', $string, 2 ); if ( isset( $string2[1] ) && ! preg_match( '%/\?%', $string2[0] ) ) { $string = trim( $string2[1] ); $protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols ); if ( 'feed:' == $protocol ) { if ( $count > 2 ) { return ''; } $string = wp_kses_bad_protocol_once( $string, $allowed_protocols, ++$count ); if ( empty( $string ) ) { return $string; } } $string = $protocol . $string; } return $string; } /** * Callback for `wp_kses_bad_protocol_once()` regular expression. * * This function processes URL protocols, checks to see if they're in the * whitelist or not, and returns different data depending on the answer. * * @access private * @ignore * @since 1.0.0 * * @param string $string URI scheme to check against the whitelist. * @param string[] $allowed_protocols Array of allowed URL protocols. * @return string Sanitized content. */ function wp_kses_bad_protocol_once2( $string, $allowed_protocols ) { $string2 = wp_kses_decode_entities( $string ); $string2 = preg_replace( '/\s/', '', $string2 ); $string2 = wp_kses_no_null( $string2 ); $string2 = strtolower( $string2 ); $allowed = false; foreach ( (array) $allowed_protocols as $one_protocol ) { if ( strtolower( $one_protocol ) == $string2 ) { $allowed = true; break; } } if ( $allowed ) { return "$string2:"; } else { return ''; } } /** * Converts and fixes HTML entities. * * This function normalizes HTML entities. It will convert `AT&T` to the correct * `AT&T`, `:` to `:`, `&#XYZZY;` to `&#XYZZY;` and so on. * * @since 1.0.0 * * @param string $string Content to normalize entities. * @return string Content with normalized entities. */ function wp_kses_normalize_entities( $string ) { // Disarm all entities by converting & to & $string = str_replace( '&', '&', $string ); $string = preg_replace_callback( '/&([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_named_entities', $string ); $string = preg_replace_callback( '/&#(0*[1-9][0-9]{0,6});/', 'wp_kses_normalize_entities2', $string ); $string = preg_replace_callback( '/&#[Xx](0*[1-9A-Fa-f][0-9A-Fa-f]{0,5});/', 'wp_kses_normalize_entities3', $string ); return $string; } /** * Callback for `wp_kses_normalize_entities()` regular expression. * * This function only accepts valid named entity references, which are finite, * case-sensitive, and highly scrutinized by HTML and XML validators. * * @since 3.0.0 * * @global array $allowedentitynames * * @param array $matches preg_replace_callback() matches array. * @return string Correctly encoded entity. */ function wp_kses_named_entities( $matches ) { global $allowedentitynames; if ( empty( $matches[1] ) ) { return ''; } $i = $matches[1]; return ( ! in_array( $i, $allowedentitynames ) ) ? "&$i;" : "&$i;"; } /** * Callback for `wp_kses_normalize_entities()` regular expression. * * This function helps `wp_kses_normalize_entities()` to only accept 16-bit * values and nothing more for `&#number;` entities. * * @access private * @ignore * @since 1.0.0 * * @param array $matches `preg_replace_callback()` matches array. * @return string Correctly encoded entity. */ function wp_kses_normalize_entities2( $matches ) { if ( empty( $matches[1] ) ) { return ''; } $i = $matches[1]; if ( valid_unicode( $i ) ) { $i = str_pad( ltrim( $i, '0' ), 3, '0', STR_PAD_LEFT ); $i = "&#$i;"; } else { $i = "&#$i;"; } return $i; } /** * Callback for `wp_kses_normalize_entities()` for regular expression. * * This function helps `wp_kses_normalize_entities()` to only accept valid Unicode * numeric entities in hex form. * * @since 2.7.0 * @access private * @ignore * * @param array $matches `preg_replace_callback()` matches array. * @return string Correctly encoded entity. */ function wp_kses_normalize_entities3( $matches ) { if ( empty( $matches[1] ) ) { return ''; } $hexchars = $matches[1]; return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&#x$hexchars;" : '&#x' . ltrim( $hexchars, '0' ) . ';'; } /** * Determines if a Unicode codepoint is valid. * * @since 2.7.0 * * @param int $i Unicode codepoint. * @return bool Whether or not the codepoint is a valid Unicode codepoint. */ function valid_unicode( $i ) { return ( 0x9 == $i || 0xa == $i || 0xd == $i || ( 0x20 <= $i && $i <= 0xd7ff ) || ( 0xe000 <= $i && $i <= 0xfffd ) || ( 0x10000 <= $i && $i <= 0x10ffff ) ); } /** * Converts all numeric HTML entities to their named counterparts. * * This function decodes numeric HTML entities (`A` and `A`). * It doesn't do anything with named entities like `ä`, but we don't * need them in the URL protocol whitelisting system anyway. * * @since 1.0.0 * * @param string $string Content to change entities. * @return string Content after decoded entities. */ function wp_kses_decode_entities( $string ) { $string = preg_replace_callback( '/&#([0-9]+);/', '_wp_kses_decode_entities_chr', $string ); $string = preg_replace_callback( '/&#[Xx]([0-9A-Fa-f]+);/', '_wp_kses_decode_entities_chr_hexdec', $string ); return $string; } /** * Regex callback for `wp_kses_decode_entities()`. * * @since 2.9.0 * @access private * @ignore * * @param array $match preg match * @return string */ function _wp_kses_decode_entities_chr( $match ) { return chr( $match[1] ); } /** * Regex callback for `wp_kses_decode_entities()`. * * @since 2.9.0 * @access private * @ignore * * @param array $match preg match * @return string */ function _wp_kses_decode_entities_chr_hexdec( $match ) { return chr( hexdec( $match[1] ) ); } /** * Sanitize content with allowed HTML KSES rules. * * This function expects slashed data. * * @since 1.0.0 * * @param string $data Content to filter, expected to be escaped with slashes. * @return string Filtered content. */ function wp_filter_kses( $data ) { return addslashes( wp_kses( stripslashes( $data ), current_filter() ) ); } /** * Sanitize content with allowed HTML KSES rules. * * This function expects unslashed data. * * @since 2.9.0 * * @param string $data Content to filter, expected to not be escaped. * @return string Filtered content. */ function wp_kses_data( $data ) { return wp_kses( $data, current_filter() ); } /** * Sanitizes content for allowed HTML tags for post content. * * Post content refers to the page contents of the 'post' type and not `$_POST` * data from forms. * * This function expects slashed data. * * @since 2.0.0 * * @param string $data Post content to filter, expected to be escaped with slashes. * @return string Filtered post content with allowed HTML tags and attributes intact. */ function wp_filter_post_kses( $data ) { return addslashes( wp_kses( stripslashes( $data ), 'post' ) ); } /** * Sanitizes content for allowed HTML tags for post content. * * Post content refers to the page contents of the 'post' type and not `$_POST` * data from forms. * * This function expects unslashed data. * * @since 2.9.0 * * @param string $data Post content to filter. * @return string Filtered post content with allowed HTML tags and attributes intact. */ function wp_kses_post( $data ) { return wp_kses( $data, 'post' ); } /** * Navigates through an array, object, or scalar, and sanitizes content for * allowed HTML tags for post content. * * @since 4.4.2 * * @see map_deep() * * @param mixed $data The array, object, or scalar value to inspect. * @return mixed The filtered content. */ function wp_kses_post_deep( $data ) { return map_deep( $data, 'wp_kses_post' ); } /** * Strips all HTML from a text string. * * This function expects slashed data. * * @since 2.1.0 * * @param string $data Content to strip all HTML from. * @return string Filtered content without any HTML. */ function wp_filter_nohtml_kses( $data ) { return addslashes( wp_kses( stripslashes( $data ), 'strip' ) ); } /** * Adds all KSES input form content filters. * * All hooks have default priority. The `wp_filter_kses()` function is added to * the 'pre_comment_content' and 'title_save_pre' hooks. * * The `wp_filter_post_kses()` function is added to the 'content_save_pre', * 'excerpt_save_pre', and 'content_filtered_save_pre' hooks. * * @since 2.0.0 */ function kses_init_filters() { // Normal filtering. add_filter( 'title_save_pre', 'wp_filter_kses' ); // Comment filtering. if ( current_user_can( 'unfiltered_html' ) ) { add_filter( 'pre_comment_content', 'wp_filter_post_kses' ); } else { add_filter( 'pre_comment_content', 'wp_filter_kses' ); } // Post filtering. add_filter( 'content_save_pre', 'wp_filter_post_kses' ); add_filter( 'excerpt_save_pre', 'wp_filter_post_kses' ); add_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' ); } /** * Removes all KSES input form content filters. * * A quick procedural method to removing all of the filters that KSES uses for * content in WordPress Loop. * * Does not remove the `kses_init()` function from {@see 'init'} hook (priority is * default). Also does not remove `kses_init()` function from {@see 'set_current_user'} * hook (priority is also default). * * @since 2.0.6 */ function kses_remove_filters() { // Normal filtering. remove_filter( 'title_save_pre', 'wp_filter_kses' ); // Comment filtering. remove_filter( 'pre_comment_content', 'wp_filter_post_kses' ); remove_filter( 'pre_comment_content', 'wp_filter_kses' ); // Post filtering. remove_filter( 'content_save_pre', 'wp_filter_post_kses' ); remove_filter( 'excerpt_save_pre', 'wp_filter_post_kses' ); remove_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' ); } /** * Sets up most of the KSES filters for input form content. * * First removes all of the KSES filters in case the current user does not need * to have KSES filter the content. If the user does not have `unfiltered_html` * capability, then KSES filters are added. * * @since 2.0.0 */ function kses_init() { kses_remove_filters(); if ( ! current_user_can( 'unfiltered_html' ) ) { kses_init_filters(); } } /** * Filters an inline style attribute and removes disallowed rules. * * @since 2.8.1 * * @param string $css A string of CSS rules. * @param string $deprecated Not used. * @return string Filtered string of CSS rules. */ function safecss_filter_attr( $css, $deprecated = '' ) { if ( ! empty( $deprecated ) ) { _deprecated_argument( __FUNCTION__, '2.8.1' ); // Never implemented. } $css = wp_kses_no_null( $css ); $css = str_replace( array( "\n", "\r", "\t" ), '', $css ); $allowed_protocols = wp_allowed_protocols(); $css_array = explode( ';', trim( $css ) ); /** * Filters list of allowed CSS attributes. * * @since 2.8.1 * @since 4.4.0 Added support for `min-height`, `max-height`, `min-width`, and `max-width`. * @since 4.6.0 Added support for `list-style-type`. * @since 5.0.0 Added support for `background-image`. * @since 5.1.0 Added support for `text-transform`. * @since 5.2.0 Added support for `background-position` and `grid-template-columns` * @since 5.3.0 Added support for `grid`, `flex` and `column` layout properties. * Extend `background-*` support of individual properties. * @since 5.3.1 Added support for gradient backgrounds. * * @param string[] $attr Array of allowed CSS attributes. */ $allowed_attr = apply_filters( 'safe_style_css', array( 'background', 'background-color', 'background-image', 'background-position', 'background-size', 'background-attachment', 'background-blend-mode', 'border', 'border-radius', 'border-width', 'border-color', 'border-style', 'border-right', 'border-right-color', 'border-right-style', 'border-right-width', 'border-bottom', 'border-bottom-color', 'border-bottom-style', 'border-bottom-width', 'border-left', 'border-left-color', 'border-left-style', 'border-left-width', 'border-top', 'border-top-color', 'border-top-style', 'border-top-width', 'border-spacing', 'border-collapse', 'caption-side', 'columns', 'column-count', 'column-fill', 'column-gap', 'column-rule', 'column-span', 'column-width', 'color', 'font', 'font-family', 'font-size', 'font-style', 'font-variant', 'font-weight', 'letter-spacing', 'line-height', 'text-align', 'text-decoration', 'text-indent', 'text-transform', 'height', 'min-height', 'max-height', 'width', 'min-width', 'max-width', 'margin', 'margin-right', 'margin-bottom', 'margin-left', 'margin-top', 'padding', 'padding-right', 'padding-bottom', 'padding-left', 'padding-top', 'flex', 'flex-basis', 'flex-direction', 'flex-flow', 'flex-grow', 'flex-shrink', 'grid-template-columns', 'grid-auto-columns', 'grid-column-start', 'grid-column-end', 'grid-column-gap', 'grid-template-rows', 'grid-auto-rows', 'grid-row-start', 'grid-row-end', 'grid-row-gap', 'grid-gap', 'justify-content', 'justify-items', 'justify-self', 'align-content', 'align-items', 'align-self', 'clear', 'cursor', 'direction', 'float', 'overflow', 'vertical-align', 'list-style-type', ) ); /* * CSS attributes that accept URL data types. * * This is in accordance to the CSS spec and unrelated to * the sub-set of supported attributes above. * * See: https://developer.mozilla.org/en-US/docs/Web/CSS/url */ $css_url_data_types = array( 'background', 'background-image', 'cursor', 'list-style', 'list-style-image', ); /* * CSS attributes that accept gradient data types. * */ $css_gradient_data_types = array( 'background', 'background-image', ); if ( empty( $allowed_attr ) ) { return $css; } $css = ''; foreach ( $css_array as $css_item ) { if ( '' == $css_item ) { continue; } $css_item = trim( $css_item ); $css_test_string = $css_item; $found = false; $url_attr = false; $gradient_attr = false; if ( strpos( $css_item, ':' ) === false ) { $found = true; } else { $parts = explode( ':', $css_item, 2 ); $css_selector = trim( $parts[0] ); if ( in_array( $css_selector, $allowed_attr, true ) ) { $found = true; $url_attr = in_array( $css_selector, $css_url_data_types, true ); $gradient_attr = in_array( $css_selector, $css_gradient_data_types, true ); } } if ( $found && $url_attr ) { // Simplified: matches the sequence `url(*)`. preg_match_all( '/url\([^)]+\)/', $parts[1], $url_matches ); foreach ( $url_matches[0] as $url_match ) { // Clean up the URL from each of the matches above. preg_match( '/^url\(\s*([\'\"]?)(.*)(\g1)\s*\)$/', $url_match, $url_pieces ); if ( empty( $url_pieces[2] ) ) { $found = false; break; } $url = trim( $url_pieces[2] ); if ( empty( $url ) || wp_kses_bad_protocol( $url, $allowed_protocols ) !== $url ) { $found = false; break; } else { // Remove the whole `url(*)` bit that was matched above from the CSS. $css_test_string = str_replace( $url_match, '', $css_test_string ); } } } if ( $found && $gradient_attr ) { $css_value = trim( $parts[1] ); if ( preg_match( '/^(repeating-)?(linear|radial|conic)-gradient\(([^()]|rgb[a]?\([^()]*\))*\)$/', $css_value ) ) { // Remove the whole `gradient` bit that was matched above from the CSS. $css_test_string = str_replace( $css_value, '', $css_test_string ); } } // Remove any CSS containing containing \ ( & } = or comments, except for url() useage checked above. if ( $found && 0 === preg_match( '%[\\\(&=}]|/\*%', $css_test_string ) ) { if ( '' != $css ) { $css .= ';'; } $css .= $css_item; } } return $css; } /** * Helper function to add global attributes to a tag in the allowed html list. * * @since 3.5.0 * @since 5.0.0 Add support for `data-*` wildcard attributes. * @access private * @ignore * * @param array $value An array of attributes. * @return array The array of attributes with global attributes added. */ function _wp_add_global_attributes( $value ) { $global_attributes = array( 'aria-describedby' => true, 'aria-details' => true, 'aria-label' => true, 'aria-labelledby' => true, 'aria-hidden' => true, 'class' => true, 'id' => true, 'style' => true, 'title' => true, 'role' => true, 'data-*' => true, ); if ( true === $value ) { $value = array(); } if ( is_array( $value ) ) { return array_merge( $value, $global_attributes ); } return $value; }
Save
cmd:
run