3 // major TODO: hook into some sort of templating system that utilizes
4 // XHTML Compiler to process the template (cacheable, of course), before
5 // passing it along to this script
7 // using _REQUEST because we accept GET and POST requests
9 function getFormMethod() {
10 return (isset($_REQUEST['post'])) ?
'post' : 'get';
12 function escapeHTML($html) {
13 return htmlspecialchars(
14 HTMLPurifier_Encoder
::cleanUTF8($html), ENT_COMPAT
, 'UTF-8');
17 return file_exists('xhtml-compiler/local.txt');
21 require_once 'live/library/HTMLPurifier.auto.php';
24 require_once '../htmlpurifier/library/HTMLPurifier.auto.php';
26 require_once 'HTMLPurifier/Printer/ConfigForm.php';
28 $allowed_lite = array(
30 'URI.DisableExternalResources',
38 '-AutoFormat.PurifierLinkify',
41 $config = HTMLPurifier_Config
::loadArrayFromForm($_REQUEST, 'filter', $allowed_lite);
43 if (!empty($_REQUEST['strict'])) {
44 // backwards-compatibility
45 $config->set('HTML', 'Strict', true);
48 $definition = $config->getHTMLDefinition();
49 $doctype = $definition->doctype
;
51 if ($doctype->xml
&& stripos($_SERVER["HTTP_ACCEPT"], 'application/xhtml+xml') !== false && !isset($_REQUEST['debug'])) {
52 $type = 'application/xhtml+xml';
56 header("Content-type:$type;charset=UTF-8");
58 // prevent PHP versions with shorttags from barfing
60 echo '<?xml version="1.0" encoding="UTF-8" ?>' . PHP_EOL
;
63 if (!empty($doctype->dtdPublic
) && !empty($doctype->dtdSystem
)) {
64 echo '<!DOCTYPE html PUBLIC "'.$doctype->dtdPublic
.'" "'.$doctype->dtdSystem
.'">' . PHP_EOL
;
68 echo '<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">' . PHP_EOL
;
71 echo '<html lang="en">' . PHP_EOL
;
76 <title
>HTML Purifier Live Demo
</title
>
77 <!-- make sure all
empty elements that are not generated are
78 appropriately ended
-->
79 <meta name
="author" content
="Edward Z. Yang"<?php
echo $END; ?
>>
80 <meta http
-equiv
="Content-Type" content
="text/html; charset=UTF-8"<?php
echo $END; ?
>>
81 <link rel
="icon" href
="favicon.ico" type
="image/x-icon"<?php
echo $END; ?
>>
82 <link rel
="shortcut icon" href
="favicon.ico" type
="image/x-icon"<?php
echo $END; ?
>>
83 <link rel
="stylesheet" href
="common.css" type
="text/css"<?php
echo $END; ?
>>
84 <link rel
="stylesheet" href
="demo.css" type
="text/css"<?php
echo $END; ?
>>
85 <link rel
="stylesheet" href
="live/library/HTMLPurifier/Printer/ConfigForm.css" type
="text/css"<?php
echo $END; ?
>>
86 <script defer
="defer" type
="text/javascript" src
="live/library/HTMLPurifier/Printer/ConfigForm.js"></script
>
90 <div id
="header"><a href
=".">HTML Purifier
</a
></div
>
91 <?php
readfile('navigation.frag'); ?
>
92 <h1 id
="title">Live Demo
</h1
>
93 <div id
="alt-content">
96 if (!empty($_REQUEST['html'])) { // start result
98 if (strlen($_REQUEST['html']) > 50000) {
100 <p
>Request exceeds maximum allowed text size of
50kb
.</p
>
102 } else { // start main processing
104 $html = get_magic_quotes_gpc() ?
stripslashes($_REQUEST['html']) : $_REQUEST['html'];
105 $purifier = new HTMLPurifier($config);
106 $pure_html = $purifier->purify($html);
109 <p
>Here is your purified HTML
:</p
>
111 <?php
if(getFormMethod() == 'get') {
114 if ($doctype->name
== 'HTML 4.01 Transitional' ||
$doctype->name
== 'HTML 4.01 Strict') {
115 $img = 'http://www.w3.org/Icons/valid-html401';
116 } elseif ($doctype->name
== 'XHTML 1.0 Transitional' ||
$doctype->name
== 'XHTML 1.0 Strict') {
117 $img = 'http://www.w3.org/Icons/valid-xhtml10';
118 } elseif ($doctype->name
== 'XHTML 1.1') {
119 $img = 'http://www.w3.org/Icons/valid-xhtml11';
122 <div id
="w3c-validator">
123 <a href
="http://validator.w3.org/check?uri=referer" title
="Valid <?php echo escapeHTML($doctype->name); ?>">
126 src
="<?php echo escapeHTML($img); ?>" height
="31" width
="88"
127 alt
="Valid <?php echo escapeHTML($doctype->name); ?>"<?php
echo $END; ?
>>
129 Valid
<?php
echo escapeHTML($doctype->name
); ?
>
139 <div
class="clear"></div
>
141 <?php
if ($config->get('Core', 'CollectErrors')) {
142 $e = $purifier->context
->get('ErrorCollector');
143 $class = $e->getRaw() ?
'fail' : 'pass';
145 <p
>Here are errors that occurred during purification
:</p
>
146 <div id
="errors" class="<?php echo $class ?>">
148 echo $e->getHTMLFormatted($config);
152 <p
>Here is the source code of the purified HTML
:</p
>
153 <pre id
="source"><?php
echo escapeHTML($pure_html); ?
></pre
>
155 if (getFormMethod() == 'post') { // start POST validation notice
157 <p
>If you would like to validate the code with
158 <a href
="http://validator.w3.org/#validate-by-input">W3C
's
159 validator</a>, copy and paste the <em>entire</em> demo page's source
.</p
>
161 } // end POST validation notice
163 } // end main processing
169 <p
>Welcome to the live demo
. Enter some HTML
and see how HTML Purifier
176 <form id
="filter" action
="demo.php<?php
177 echo '?' . getFormMethod();
178 if (isset($_REQUEST['profile']) || isset($_REQUEST['XDEBUG_PROFILE'])) {
179 echo '&XDEBUG_PROFILE=1';
180 } ?>" method
="<?php echo getFormMethod(); ?>">
182 <legend
>HTML Purifier
Input (<?php
echo getFormMethod(); ?
>)</legend
>
185 $form_printer = new HTMLPurifier_Printer_ConfigForm('filter', 'http://htmlpurifier.org/live/configdoc/plain.html#%s', 14);
186 echo $form_printer->render($config, $allowed_lite, false);
190 <textarea name
="html" cols
="60" rows
="15"><?php
191 if (isset($html)) echo escapeHTML($html);
195 <?php
if (getFormMethod() == 'get') { ?
>
196 <p
><strong
>Warning
:</strong
> GET request method can only hold
197 8129 characters (probably less depending on your browser
).
198 If you need to test anything
199 larger than that
, try the
<a href
="?post">POST form
</a
>.</p
>
202 <input type
="submit" value
="Submit" name
="submit" class="button"<?php
echo $END; ?
>>
206 <p
>Try the form in
<a href
="?get">GET
</a
> and <a href
="?post">POST
</a
> request
207 flavors (GET is easy to validate with W3C
, but POST allows larger inputs
).
208 Don
't know what to test? Try out these sample filterings:</p>
210 <li><a href="demo.php?html=%3Cimg+src%3D%22javascript%3Aevil%28%29%3B%22+onload%3D%22evil%28%29%3B%22+%2F%3E">Malicious code removed</a></li>
211 <li><a href="demo.php?html=%3Cb%3EBold&submit=Submit">Missing end tags fixed</a></li>
212 <li><a href="demo.php?html=%3Cb%3EInline+%3Cdel%3Econtext+%3Cdiv%3ENo+block+allowed%3C%2Fdiv%3E%3C%2Fdel%3E%3C%2Fb%3E&submit=Submit">Illegal nesting fixed</a></li>
213 <li><a href="demo.php?html=%3Ccenter%3ECentered%3C%2Fcenter%3E&filter%5BHTML.Doctype%5D=XHTML+1.0+Strict&submit=Submit">Deprecated tags converted</a></li>
214 <li><a href="demo.php?html=%3Cspan+style%3D%22color%3A%23COW%3Bfloat%3Aaround%3Btext-decoration%3Ablink%3B%22%3EText%3C%2Fspan%3E&submit=Submit"><abbr>CSS</abbr> validated</a></li>
215 <li><a href="demo.php?html=%3Ctable%3E%0D%0A++%3Ccaption%3E%0D%0A++++Cool+table%0D%0A++%3C%2Fcaption%3E%0D%0A++%3Ctfoot%3E%0D%0A++++%3Ctr%3E%0D%0A++++++%3Cth%3EI+can+do+so+much%21%3C%2Fth%3E%0D%0A++++%3C%2Ftr%3E%0D%0A++%3C%2Ftfoot%3E%0D%0A++%3Ctr%3E%0D%0A++++%3Ctd+style%3D%22font-size%3A16pt%3B%0D%0A++++++color%3A%23F00%3Bfont-family%3Asans-serif%3B%0D%0A++++++text-align%3Acenter%3B%22%3EWow%3C%2Ftd%3E%0D%0A++%3C%2Ftr%3E%0D%0A%3C%2Ftable%3E&submit=Submit">Rich formatting preserved</a></li>