Added HTML Purifier module; this is being tracked only because it otherwise requires manual installation of the HTMLPurifier library

(DBOINCP-188)
This commit is contained in:
Tristan Olive 2015-05-28 07:50:54 -04:00
parent 8a60393c8f
commit 8688e46439
12 changed files with 1399 additions and 0 deletions

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library

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6.x-2.4, released 2010-10-23
- Fixed #839490; can't find library from install profile
- Fixed #819728; make use of Filter.ExtractStyleBlocks. Thanks
Vector- for contributing the patch.
- Fixed #586746; Rate limit new version checks
- Fixed #764974: Give friendly error message if running under PHP4
- Deprecated Filter.YouTube in favor of SafeObject/FlashCompat.
Thanks John Morahan for contributing the patch.
6.x-2.3, released 2010-06-09
- Fixed #819914; version never updates
6.x-2.2, released 2010-06-04
- More comprehensive cache clearing.
- Fixed #659666; clearing caches missed HTML Purifier
- Fixed #708266; decouple location of HTML Purifier library with
libraries API.
- Fixed #783066; new HTML Purifier version message too obnoxious.
6.x-2.1, released 2009-12-12
- Ukranian translation by podarok
- Renamed dashboard to HTML Purifier Dashboard, fixes bug #368468
- Make installation process nicer by checking if library folder is setup, fixes bug #261874
- Remove unnecessary version checks
6.x-2.0, released 2008-05-18
# Drupal 6.x and HTML Purifier 3.1.0 are required
! HTML Purifier now uses its native form function, so advanced configuration
options are available. You can also define your own custom functions
for configuration in the config/ directory.
! Modified and better defaults selected for HTML Purifier.
- HTML Purifier now maintains its own cache with a longer expiration time;
this helps performance greatly.
- DefinitionCache uses Drupal's caching system
- HTML Purifier will check for new versions of the core library and display
obnoxious warnings if it is out-of-date!
- Uninstall function now obliterates HTML Purifier variables too.
1.0, released 2007-07-15 (not via Drupal.org)
- Initial release, basic functionality implemented.

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<?php
require_once 'HTMLPurifier/DefinitionCache.php';
/**
* Cache handler that stores all data in drupals builtin cache
*/
class HTMLPurifier_DefinitionCache_Drupal extends HTMLPurifier_DefinitionCache
{
/**
* Add an object to the cache without overwriting
*/
function add($def, $config) {
if (!$this->checkDefType($def)) return;
$key = $this->generateKey($config);
if ($this->fetchFromDrupalCache($key)) {
// already cached
return false;
}
$this->storeInDrupalCache($def, $key);
return true;
}
/**
* Unconditionally add an object to the cache, overwrites any existing object.
*/
function set($def, $config) {
if (!$this->checkDefType($def)) return;
$key = $this->generateKey($config);
$this->storeInDrupalCache($def, $key);
return true;
}
/**
* Replace an object that already exists in the cache.
*/
function replace($def, $config) {
if (!$this->checkDefType($def)) return;
$key = $this->generateKey($config);
if (!$this->fetchFromDrupalCache($key)) {
// object does not exist in cache
return false;
}
$this->storeInDrupalCache($def, $key);
return true;
}
/**
* Retrieve an object from the cache
*/
function get($config) {
$key = $this->generateKey($config);
return $this->fetchFromDrupalCache($key);
}
/**
* Delete an object from the cache
*/
function remove($config) {
$key = $this->generateKey($config);
cache_clear_all("htmlpurifier:$key", 'cache');
return true;
}
function flush($config) {
cache_clear_all("htmlpurifier:*", 'cache', true);
return true;
}
function cleanup($config) {
$res = db_query("SELECT cid FROM {cache} WHERE cid LIKE '%s%%'", 'htmlpurifier:');
while ($row = db_fetch_object($res)) {
$key = substr($row->cid, 13); // 13 == strlen('htmlpurifier:')
if ($this->isOld($key, $config)) {
cache_clear_all($row->cid, 'cache');
}
}
}
function fetchFromDrupalCache($key) {
$cached = cache_get("htmlpurifier:$key");
if ($cached) return unserialize($cached->data);
return false;
}
function storeInDrupalCache($def, $key) {
cache_set("htmlpurifier:$key", serialize($def), 'cache', CACHE_PERMANENT);
}
}

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PREREQUISITES: Make sure you check HTML Purifier and make sure that you
have fulfilled all of its requirements before running this. Specifically,
you'll need the PHP extension ctype (in almost all PHP distributions),
and it's nice to have dom and iconv.
* Place the htmlpurifier folder in your drupal modules directory.
* Download HTML Purifier from http://htmlpurifier.org/ You will need
4.0.0 or later.
* There are two possible ways to install the HTML Purifier library.
1. Module directory installation. This means installing the library
folder under the module directory. This way has the advantage of
not depending on other modules. The issue is that when you
upgrade the htmlpurifier module the HTML Purifier library gets
removed and you have to re-extract the archive in the newly
installed module directory.
2. The preferred way is making use of the libraries API,
http://drupal.org/project/libraries. This makes the library
available to all sites or to a specific site in a multisite
Drupal setup. You'll need to download the libraries API module
and enable it before enabling the htmlpurifier module so that in
the install phase it can find the library.
Extract the library folder to sites/all/libraries or to
sites/<site>/libraries for a specific site in a multisite Drupal
setup.
The final setup should be, when making the library and module
available to all sites:
sites/all/libraries/htmlpurifier/
HTMLPurifier
HTMLPurifier.autoload.php
HTMLPurifier.auto.php
HTMLPurifier.func.php
HTMLPurifier.includes.php
HTMLPurifier.kses.php
HTMLPurifier.path.php
HTMLPurifier.php
HTMLPurifier.safe-includes.php
Now you can safely upgrade your htmlpurifier module without
having to re-deploy the HTML Purifier library.
* Go to Administer > Site building > Modules and enable this module
* You can now create a new input format or add the HTML Purifier to an
existing input format. It is recommended that you place HTML Purifier as
the last filter in the input format. Reorder the filters if necessary.
WARNING: Due to HTML Purifier's caching mechanism, dynamic filters MUST NOT
be placed before HTML Purifier.

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TODO List
Non-code
- Add better documentation about what's different about configuring
the PHP and what's configuring the web interface
- Make distinction between module and library clearer
- Link to WYSIWYG editors, research integration prospects, and how
they're handling security
- http://drupal.org/project/htmlarea
- http://drupal.org/project/fckeditor
- http://drupal.org/project/tinymce
- Competitors
- http://drupal.org/project/safehtml
1.3
- Improve help text (this might be a good addition to the HTML Purifier
core). This would be for filter tips as well as for the form.
- Compatibility
- Paging comments

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.hp-config {}
.hp-config tbody th {text-align:right; padding-right:0.5em; width:40%;}
.hp-config thead {display:none;}
.hp-config .namespace {background:#EDF1F3;}
.hp-config .namespace th {text-align:center;}
.hp-config .verbose {display:none;}
.hp-config textarea {width:100%; max-width:30em;}

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<?php
/**
* @file
* This file is a sample advanced PHP configuration file for the HTML Purifier
* filter module. In reality, this file would be named N.php, where N is the
* integer identifying the filter this is configuring. The configure page
* for HTML Purifier (advanced) will tell you what file to copy this to.
*
* See this URI:
*
* http://htmlpurifier.org/live/configdoc/plain.html
*
* For full information about permitted directives. The most interesting ones
* for custom configuration are ones with the 'mixed' type, as they cannot
* be configured using the webform.
*
* @note
* A number of directives have been predefined for you in order to better
* work with Drupal. You can see what these defaults in the
* _htmlpurifier_get_config() function in htmlpurifier.module.php.
*
* @warning
* Please be mindful of the version of HTML Purifier you have installed!
* All of the docs linked to are for the latest version of HTML Purifier;
* your installation may or may not be up-to-date.
*/
/**
* Accepts an HTMLPurifier_Config configuration object and configures it.
*
* @param $config
* Instance of HTMLPurifier_Config to modify. See
* http://htmlpurifier.org/doxygen/html/classHTMLPurifier__Config.html
* for a full API.
*
* @note
* No return value is needed, as PHP objects are passed by reference.
*/
function htmlpurifier_config_N($config) {
// Set your configuration here:
$config->set('Core', 'Lexer', 'DirectLex');
// $config->set('Namespace', 'Directive', $value);
// Advanced users:
// $def = $config->getDefinition('HTML');
// For more information about this, see:
// http://htmlpurifier.org/docs/enduser-customize.html
}

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; $Id: htmlpurifier.info,v 1.6 2008/04/24 04:13:09 ezyang Exp $
name = "HTML Purifier"
description = "Filter that removes malicious HTML and ensures standards compliant output."
core = 6.x
php = 5.0.5
; Information added by drupal.org packaging script on 2010-10-23
version = "6.x-2.4"
core = "6.x"
project = "htmlpurifier"
datestamp = "1287798330"

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<?php
/**
* Implementation of hook_schema().
*/
function htmlpurifier_schema() {
$t = get_t();
$schema['cache_htmlpurifier'] = drupal_get_schema_unprocessed('system', 'cache');
$schema['cache_htmlpurifier']['description'] = $t(<<<DESCRIPTION
Cache table for the HTML Purifier module just like cache_filter, except that
cached text is stored permanently until flushed or manually invalidated.
This helps prevent recurrent cache slams on pages with lots of segments of HTML.
DESCRIPTION
);
return $schema;
}
/**
* Implementation of hook_install().
*/
function htmlpurifier_install() {
drupal_install_schema('htmlpurifier');
}
/**
* Implementation of hook_uninstall().
*/
function htmlpurifier_uninstall() {
drupal_uninstall_schema('htmlpurifier');
db_query("DELETE FROM {variable} WHERE name LIKE 'htmlpurifier%%'");
}
/**
* Implementation of hook_requirements().
*
* Checks the version of HTML Purifier on install and issues an error if there is a problem
*/
function htmlpurifier_requirements($phase) {
// This version of HTML Purifier is required
static $req_version = '4.0.0';
static $req_php_version = '5.0.0';
$requirements = array();
$t = get_t();
if (version_compare(phpversion(), $req_php_version) < 0) {
$requirements['htmlpurifier_php'] = array (
'title' => $t('PHP version for HTML Purifier library'),
'severity' => REQUIREMENT_ERROR,
'description' => $t('PHP version is too low to run HTML Purifier. HTML Purifier requires PHP 5 or later.'),
);
return $requirements;
}
// HACK: If libraries api module is not installed but available, load
// it. This can arise when an install profile is installing multiple
// modules, because the HTMLPurifier module does not publish a
// libraries dependency in order to stay backwards-compatible. This
// fixes Bug #839490.
if (!function_exists('libraries_get_path') && file_exists(dirname(__FILE__) . '/../libraries/libraries.module')) {
require_once(dirname(__FILE__) . '/../libraries/libraries.module');
}
// If it's still not available, use something else
$complain_loc = false;
if (function_exists('libraries_get_path')) {
$library_path = libraries_get_path('htmlpurifier');
$using_libraries = true;
if (!file_exists("$library_path/library/HTMLPurifier.auto.php")) {
$library_path = dirname(__FILE__);
$complain_loc = true;
$using_libraries = false;
}
} else {
$library_path = dirname(__FILE__);
$using_libraries = false;
}
$s = DIRECTORY_SEPARATOR;
if (!file_exists("$library_path/library/HTMLPurifier.auto.php")) {
$requirements['htmlpurifier_library'] = array (
'title' => $t('HTML Purifier library'),
'severity' => REQUIREMENT_ERROR,
'description' => $t("Could not find HTML Purifier
installation in @path. Please copy contents
of the library folder in the HTML Purifier tarball or zip
to this folder or ensure HTMLPurifier.auto.php exists.
You can download HTML Purifier at
<a href=\"http://htmlpurifier.org/download.html\">htmlpurifier.org</a>.", array('@path' => "$library_path{$s}library")
),
);
return $requirements;
}
if ($complain_loc) {
$requirements['htmlpurifier_library_loc'] = array(
'title' => $t('HTML Purifier library location'),
'severity' => REQUIREMENT_WARNING,
'description' => $t("The HTML Purifier library currently lives in
<code>@oldpath</code>, but should actually be placed in the shared
libraries API at <code>@newpath</code>. You should move the folder
such that <code>@somefile</code> exists (you will need to create an
<code>htmlpurifier</code> folder to hold the <code>library</code>
folder). For future updates, you can simply replace the
htmlpurifier folder with the htmlpurifier-x.y.z folder that a
new HTML Purifier tarball unzips to (you'll be reminded in an
update notification).",
array(
'@oldpath' => dirname(__FILE__) . '/library',
'@newpath' => libraries_get_path('htmlpurifier') . '/library',
'@somefile' => libraries_get_path('htmlpurifier') . '/library/HTMLPurifier.auto.php',
)),
);
}
if ($phase=='runtime') {
$current = variable_get('htmlpurifier_version_current', FALSE);
if (!$current) {
$current = htmlpurifier_check_version();
}
$ours = variable_get('htmlpurifier_version_ours', FALSE);
if (!$ours || version_compare($ours, $req_version, '<')) {
// Can't use _htmlpurifier_load(), since it assumes a later
// version
require_once "$library_path/library/HTMLPurifier.auto.php";
if (defined('HTMLPurifier::VERSION')) {
$version = HTMLPurifier::VERSION;
} else {
$purifier = new HTMLPurifier;
$version = $purifier->version;
}
variable_set('htmlpurifier_version_ours', $version);
if (version_compare($version, $req_version, '<')) {
$requirements['htmlpurifier_library'] = array (
'title' => $t('HTML Purifier library'),
'severity' => REQUIREMENT_ERROR,
'description' => $t("HTML Purifier @old is not compatible
with this module: HTML Purifier <strong>@required</strong> or later is required.
If the required version is a dev version, you will need to
<a href=\"http://htmlpurifier.org/download.html#Git\">check
code out of Git</a> or
<a href=\"http://htmlpurifier.org/download.html#NightlyBuilds\">download a nightly</a>
to use this module.", array('@old' => $version, '@required' => $req_version)
),
);
return $requirements;
}
}
if (!$current) {
$requirements['htmlpurifier_check'] = array(
'title' => $t('HTML Purifier Library'),
'value' => $ours,
'description' => $t('Unable to check for the latest version of the
HTML Purifier library. You will need to check manually at
<a href="http://htmlpurifier.org">htmlpurifier.org</a> to find out if
the version you are using is out of date.'),
'severity' => REQUIREMENT_WARNING,
);
}
elseif (!$ours || version_compare($current, $ours, '>')) {
// Update our version number if it can't be found, or there's a
// mismatch. This won't do anything if _htmlpurifier_load() has
// already been called. An equivalent formulation would be
// to always call _htmlpurifier_load() before retrieving the
// variable, but this has the benefit of not always loading
// HTML Purifier!
_htmlpurifier_load();
$ours = variable_get('htmlpurifier_version_ours', FALSE);
}
if ($current && $ours && version_compare($current, $ours, '>')) {
$description = $t('Your HTML Purifier library is out of date. The
latest version is %version, which you can download from <a
href="http://htmlpurifier.org">htmlpurifier.org</a>. ',
array('%version' => $current));
if ($using_libraries) {
$how_to_update = $t('To update, replace
<code>%path</code> with the new directory the downloaded archive
extracts into. ',
array('%path' => libraries_get_path('htmlpurifier')));
} else {
$how_to_update = $t('To update, replace
<code>%path/library/</code> with the <code>library/</code>
directory from the downloaded archive. ',
array('%path' => dirname(__FILE__)));
}
$warning = $t('If you do not perform this operation correctly,
your Drupal installation will stop working. Ensure that
<code>%path/library/HTMLPurifier.auto.php</code> exists after
the upgrade.',
array('%path' => $library_path));
$requirements['htmlpurifier_version'] = array(
'title' => $t('HTML Purifier Library'),
'value' => $ours,
'description' => $description . $how_to_update . $warning,
'severity' => REQUIREMENT_WARNING,
);
}
if (count($requirements) == 0) {
$requirements['htmlpurifier'] = array(
'severity' => REQUIREMENT_OK,
'title' => $t('HTML Purifier Library'),
'value' => $ours,
);
}
}
return $requirements;
}
// -- Update functions ------------------------------------------------------ //
function htmlpurifier_update_6200() {
// Migrate any old-style filter variables to new style.
$formats = filter_formats();
foreach ($formats as $format => $info) {
$filters = filter_list_format($format);
if (!isset($filters['htmlpurifier/0'])) continue;
$config_data = array(
'URI.DisableExternalResources' => variable_get("htmlpurifier_externalresources_$format", TRUE),
'Attr.EnableID' => variable_get("htmlpurifier_enableattrid_$format", FALSE),
'AutoFormat.Linkify' => variable_get("htmlpurifier_linkify_$format", TRUE),
'AutoFormat.AutoParagraph' => variable_get("htmlpurifier_autoparagraph_$format", TRUE),
'Null_HTML.Allowed' => !variable_get("htmlpurifier_allowedhtml_enabled_$format", FALSE),
'HTML.Allowed' => variable_get("htmlpurifier_allowedhtml_$format", ''),
'Filter.YouTube' => variable_get("htmlpurifier_preserveyoutube_$format", FALSE),
);
if (defined('HTMLPurifier::VERSION') && version_compare(HTMLPurifier::VERSION, '3.1.0-dev', '>=')) {
$config_data['HTML.ForbiddenElements'] = variable_get("htmlpurifier_forbiddenelements_$format", '');
$config_data['HTML.ForbiddenAttributes'] = variable_get("htmlpurifier_forbiddenattributes_$format", '');
}
variable_set("htmlpurifier_config_$format", $config_data);
}
return array();
}
function htmlpurifier_update_6201() {}

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@ -0,0 +1,523 @@
<?php
// $Id: htmlpurifier.module,v 1.21 2010/09/28 14:55:02 ezyang Exp $
/**
* @file
* Implements HTML Purifier as a Drupal filter.
*/
// -- HOOK IMPLEMENTATIONS -------------------------------------------------- //
/**
* Implementation of hook_flush_caches().
*/
function htmlpurifier_flush_caches() {
return array('cache_htmlpurifier');
}
/**
* Implementation of hook_help().
*/
function htmlpurifier_help($path, $arg) {
$output = NULL;
switch ($path) {
case 'admin/modules#htmlpurifier':
$output = t('Filter that removes malicious HTML and ensures standards compliant output.');
break;
}
return $output;
}
/**
* Implementation of hook_cron().
*/
function htmlpurifier_cron() {
// Force an attempt at checking for a new version; this is safe to do in
// hook_cron because a slow timeout will not degrade the user experience.
htmlpurifier_check_version(TRUE);
}
/**
* Checks for updates to the HTML Purifier library.
*/
function htmlpurifier_check_version($force = FALSE) {
if ($force || !variable_get('htmlpurifier_version_check_failed', FALSE)) {
// Maybe this should be changed in the future:
$result = drupal_http_request('http://htmlpurifier.org/live/VERSION');
if ($result->code == 200) {
$version = trim($result->data);
variable_set('htmlpurifier_version_check_failed', FALSE);
variable_set('htmlpurifier_version_current', $version);
return $version;
}
else {
variable_set('htmlpurifier_version_check_failed', TRUE);
// Delete any previously known "latest" version so that people can be
// alerted if a problem appears on a previously working site.
variable_del('htmlpurifier_version_current');
}
}
}
/**
* Implementation of hook_filter().
*/
function htmlpurifier_filter($op, $delta = 0, $format = -1, $text = '') {
switch ($op) {
case 'list':
return array(0 => t('HTML Purifier'), 1 => t('HTML Purifier (advanced)'));
case 'no cache':
// Since HTML Purifier implements its own caching layer, having filter
// cache it again is wasteful. Returns FALSE if double caching is permitted.
return !variable_get("htmlpurifier_doublecache", FALSE);
case 'description':
$common = t(
'Removes malicious HTML code and ensures that the output '.
'is standards compliant. <strong>Warning:</strong> For performance '.
'reasons, please ensure that there are no highly dynamic filters before HTML Purifier. '
);
switch ($delta) {
case 0:
return $common;
case 1:
return $common . t('<em>This version has advanced configuration options, do not enable both at the same time.</em>');
}
case 'prepare':
return $text;
case 'process':
return _htmlpurifier_process($text, $format);
case 'settings':
return _htmlpurifier_settings($delta, $format);
default:
return NULL;
}
}
/**
* Implementation of hook_filter_tips().
*/
function htmlpurifier_filter_tips($delta, $format, $long = FALSE) {
if (variable_get("htmlpurifier_help_$format", TRUE)) {
return t('HTML tags will be transformed to conform to HTML standards.');
}
}
/**
* Implementation of hook_nodeapi().
*/
function htmlpurifier_nodeapi(&$node, $op, $a3, $a4) {
if ($op == 'view') {
// Should we load CSS cache data from teaser or body?
if ($a3 == TRUE) {
_htmlpurifier_add_css( $node->content['teaser']['#value'], $node->nid );
}
else {
_htmlpurifier_add_css( $node->content['body']['#value'], $node->nid );
}
}
// @todo: Deal with CCK fields - probably needs to go in op alter?
}
/**
* Helper function for hook_nodeapi
* Finds extracted style blocks based on a cache link left by hook_filter
* Aggregates the extracted style blocks and adds them to the document head
* Also removes the cache link left in hook_filter to the CSS cache
*
* @param string &$field
* Field to process, this should be the actual field value
* ex. $node->content['body']['#value']
*
* @param int $nid
* Node ID of the node to which these stylesheets belong
* Since filters don't know their node context, we have to use a token
* to generate the stylesheet scope, and replace it in hook_nodeapi
*/
function _htmlpurifier_add_css( &$field, $nid ) {
// Some basic validation to assure we really got a rendered field
if (!is_string($field)) {
return;
}
$cache_matches = array();
$cache_match = preg_match('#<!-- HTML Purifier Cache \#([-\w]*:[\w]*) -->#', $field, $cache_matches);
// If there's an HTML Purifier Cache #, we need to load CSSTidy blocks
if ($cache_match == 1) {
$cid = 'css:' . $cache_matches[1];
$old = cache_get($cid, 'cache_htmlpurifier');
// We should always have some cached style blocks to load, but if we don't, just bail
if ($old) {
$styles = array();
$style_rendered = '';
foreach($old->data as $i => $style) {
// Replace Node ID tokens if necessary, otherwise use cached CSSTidy blocks
// NOTE: This token is forgeable, but we expect that if the user
// is able to invoke this transformation, it will be relatively
// harmless.
if (strpos($style, '[%HTMLPURIFIER:NID%]') !== FALSE) {
$styles[$i] = str_replace('[%HTMLPURIFIER:NID%]', (int) $nid, $style);
}
else {
$styles[$i] = $style;
}
// Save any CSSTidy blocks we find to be rendered in the document head
if (!empty($style)) {
$style_rendered .= $styles[$i] . "\n";
}
}
// Add the rendered stylesheet to the document header
if ($style_rendered != '') {
drupal_set_html_head('<style type="text/css">' ."\n". '<!--' ."\n". $style_rendered . '--></style>');
}
// Remove the HTML Purifier cache key from the field argument
$field = str_replace($cache_matches[0], '', $field);
// If we had to update CSSTidy blocks, cache the results
if ($old->data != $styles) {
cache_set($cid, $styles, 'cache_htmlpurifier', CACHE_PERMANENT);
}
}
}
}
// -- INTERNAL FUNCTIONS ---------------------------------------------------- //
/**
* Processes HTML according to a format and returns purified HTML. Makes a
* cache pass if possible.
*
* @param string $text
* Text to purify
* @param int $format
* Input format corresponding to HTML Purifier's configuration.
* @param boolean $cache
* Whether or not to check the cache.
*
* @note
* We ignore $delta because the only difference it makes is in the configuration
* screen.
*/
function _htmlpurifier_process($text, $format, $cache = TRUE) {
if ($cache) {
$cid = $format . ':' . md5($text);
$old = cache_get($cid, 'cache_htmlpurifier');
if ($old) return $old->data;
}
_htmlpurifier_load();
$config = _htmlpurifier_get_config($format);
// If ExtractStyleBlocks is enabled, we'll need to do a bit more for CSSTidy
$config_extractstyleblocks = $config->get('Filter.ExtractStyleBlocks');
// Maybe this works if CSSTidy is at root? CSSTidy could be other places though
if ($config_extractstyleblocks == true) {
_htmlpurifier_load_csstidy();
}
$purifier = new HTMLPurifier($config);
$ret = $purifier->purify($text);
// If using Filter.ExtractStyleBlocks we need to handle the CSSTidy output
if ($config_extractstyleblocks == true) {
// We're only going to bother if we're caching! - no caching? no style blocks!
if ($cache) {
// Get style blocks, cache them, and help hook_nodeapi find the cache
$styles = $purifier->context->get('StyleBlocks');
cache_set('css:' . $cid, $styles, 'cache_htmlpurifier', CACHE_PERMANENT);
$ret = '<!-- HTML Purifier Cache #' . $cid . ' -->' . $ret;
}
}
if ($cache) cache_set($cid, $ret, 'cache_htmlpurifier', CACHE_PERMANENT);
return $ret;
}
/**
* Loads the HTML Purifier library, and performs global initialization.
*/
function _htmlpurifier_load() {
static $done = false;
if ($done) {
return;
}
$done = true;
$module_path = drupal_get_path('module', 'htmlpurifier');
$library_path = $module_path;
if (function_exists('libraries_get_path')) {
$library_path = libraries_get_path('htmlpurifier');
// This may happen if the user has HTML Purifier installed under the
// old configuration, but also installed libraries and forgot to
// move it over. There is code for emitting errors in
// htmlpurifier.install when this is the case.
if (!file_exists("$library_path/library/HTMLPurifier.auto.php")) {
$library_path = $module_path;
}
}
if (version_compare(phpversion(), '5') < 0) {
// If your version of PHP is too old, you're going to fail anyway
// when you attempt to include the HTML Purifier library, so we
// might as well try to give a useful error message.
echo 'Your version of PHP is too old to run HTML Purifier, needs PHP 5 or later';
exit;
}
require_once "$library_path/library/HTMLPurifier.auto.php";
require_once "$module_path/HTMLPurifier_DefinitionCache_Drupal.php";
$factory = HTMLPurifier_DefinitionCacheFactory::instance();
$factory->register('Drupal', 'HTMLPurifier_DefinitionCache_Drupal');
// Register the version as a variable:
variable_set('htmlpurifier_version_ours', HTMLPurifier::VERSION);
}
/**
* Returns the HTMLPurifier_Config object corresponding to an input format.
* @param int $format
* Input format.
* @return
* Instance of HTMLPurifier_Config.
*/
function _htmlpurifier_get_config($format) {
$config = HTMLPurifier_Config::createDefault();
$config->set('AutoFormat.AutoParagraph', TRUE);
$config->set('AutoFormat.Linkify', TRUE);
$config->set('HTML.Doctype', 'XHTML 1.0 Transitional'); // Probably
$config->set('Core.AggressivelyFixLt', TRUE);
$config->set('Cache.DefinitionImpl', 'Drupal');
// Filter HTML doesn't allow external images, so neither will we...
// for now. This can be configured off.
$config->set('URI.DisableExternalResources', TRUE);
if (!empty($_SERVER['SERVER_NAME'])) {
// SERVER_NAME is more reliable than HTTP_HOST
$config->set('URI.Host', $_SERVER['SERVER_NAME']);
}
if (defined('LANGUAGE_RTL') && $GLOBALS['language']->direction === LANGUAGE_RTL) {
$config->set('Attr.DefaultTextDir', 'rtl');
}
if ($config_function = _htmlpurifier_config_load($format)) {
$config_function($config);
} else {
$config_data = variable_get("htmlpurifier_config_$format", FALSE);
if (!empty($config_data['Filter.ExtractStyleBlocks'])) {
if (!_htmlpurifier_load_csstidy()) {
$config_data['Filter.ExtractStyleBlocks'] = '0';
drupal_set_message("Could not enable ExtractStyleBlocks because CSSTidy was not installed. You can download CSSTidy module from <a href='http://drupal.org/project/csstidy'>http://drupal.org/project/csstidy</a>", 'error', FALSE);
}
}
// {FALSE, TRUE, FALSE} = {no index, everything is allowed, don't do mq fix}
$config->mergeArrayFromForm($config_data, FALSE, TRUE, FALSE);
}
return $config;
}
function _htmlpurifier_load_csstidY() {
// If CSSTidy module is installed, it should have a copy we can use
$csstidy_path = drupal_get_path('module', 'csstidy') .'/csstidy';
// Some future-proofing for library path
if (function_exists('libraries_get_path')) {
$csstidy_library = libraries_get_path('csstidy');
if (file_exists("$csstidy_library/class.csstidy.php")) {
$csstidy_path = $csstidy_library;
}
}
// Load CSSTidy if we can find it
if (file_exists("$csstidy_path/class.csstidy.php")) {
require_once "$csstidy_path/class.csstidy.php";
return TRUE;
}
return FALSE;
}
/**
* Returns the name of the configuration function for $format, or FALSE if none
* exists. Function name will be htmlpurifier_config_N.
*
* @param int $format
* Integer format to check function for.
* @return
* String function name for format, or FALSE if none.
*/
function _htmlpurifier_config_load($format) {
$config_file = drupal_get_path('module', 'htmlpurifier') ."/config/$format.php";
$config_function = "htmlpurifier_config_$format";
if (
!function_exists($config_function) &&
file_exists($config_file)
) {
include_once $config_file;
}
return function_exists($config_function) ? $config_function : FALSE;
}
/**
* Generates a settings form for configuring HTML Purifier.
* @param int $delta
* Whether or not to use advanced form (1) or not (0).
* @param int $format
* Input format being configured.
* @return
* Form API array.
*/
function _htmlpurifier_settings($delta, $format) {
_htmlpurifier_load();
// Dry run, testing for errors:
_htmlpurifier_process('', $format, FALSE);
$module_path = drupal_get_path('module', 'htmlpurifier');
drupal_add_css("$module_path/config-form.css");
// Makes all configuration links open in new windows; can safe lots of grief!
drupal_add_js('$(function(){$(".hp-config a").click(function(){window.open(this.href);return false;});});', 'inline');
drupal_add_js(HTMLPurifier_Printer_ConfigForm::getJavaScript(), 'inline');
$form = array();
$form['dashboard'] = array(
'#type' => 'fieldset',
'#title' => t('HTML Purifier Dashboard'),
'#collapsible' => true,
);
$form['dashboard']["enter_hack"] = array(
// hack to make normal form submission when <ENTER> is pressed
'#value' => '<input type="submit" name="op" id="edit-submit" value="Save configuration" class="form-submit" style="display:none;" />',
);
$form['dashboard']["htmlpurifier_clear_cache"] = array(
'#type' => 'submit',
'#value' => t('Clear cache (Warning: Can result in performance degradation)'),
'#submit' => array('_htmlpurifier_clear_cache')
);
$form['htmlpurifier'] = array(
'#type' => 'fieldset',
'#title' => t('HTML Purifier'),
'#collapsible' => TRUE,
);
$form['htmlpurifier']["htmlpurifier_help_$format"] = array(
'#type' => 'checkbox',
'#title' => t('Display help text'),
'#default_value' => variable_get("htmlpurifier_help_$format", TRUE),
'#description' => t('If enabled, a short note will be added to the filter tips explaining that HTML will be transformed to conform with HTML standards. You may want to disable this option when the HTML Purifier is used to check the output of another filter like BBCode.'),
);
if ($config_function = _htmlpurifier_config_load($format)) {
$form['htmlpurifier']['notice'] = array(
'#type' => 'markup',
'#value' => t('<div>Configuration function <code>!function()</code> is already defined. To edit HTML Purifier\'s configuration, edit the corresponding configuration file, which is usually <code>htmlpurifier/config/!format.php</code>. To restore the web configuration form, delete or rename this file.</div>',
array('!function' => $config_function, '!format' => $format)),
);
} else {
if ($delta == 0) {
$title = t('Configure HTML Purifier');
$allowed = array(
'URI.DisableExternalResources',
'URI.DisableResources',
'URI.Munge',
'Attr.EnableID',
'HTML.Allowed',
'HTML.ForbiddenElements',
'HTML.ForbiddenAttributes',
'HTML.SafeObject',
'Output.FlashCompat',
'AutoFormat.RemoveEmpty',
'AutoFormat.Linkify',
'AutoFormat.AutoParagraph',
);
} else {
$title = t('Advanced configuration options');
$allowed = TRUE;
$form['htmlpurifier']["htmlpurifier_doublecache"] = array(
'#type' => 'checkbox',
'#title' => t('Allow double caching'),
'#default_value' => variable_get("htmlpurifier_doublecache", FALSE),
'#description' => t('If enabled, HTML Purifier will tell filter that its output is cacheable. This is not usually necessary, because HTML Purifier maintains its own cache, but may be helpful if you have later filters that need to be cached. Warning: this applies to ALL filters, not just this one'),
);
}
$intro =
'<div class="form-item"><h3>'.
$title.
'</h3><div class="description">'.
t('Please click on a directive name for more information on what it does before enabling or changing anything! Changes will not apply to old entries until you clear the cache (see the dashboard)').
'</div></div>';
$config = _htmlpurifier_get_config($format);
$config_form = new HTMLPurifier_Printer_ConfigForm(
"htmlpurifier_config_$format", 'http://htmlpurifier.org/live/configdoc/plain.html#%s'
);
$form['htmlpurifier']["htmlpurifier_config_$format"] = array(
'#value' => $intro . $config_form->render($config, $allowed, FALSE),
'#after_build' => array('_htmlpurifier_config_hack'),
);
}
return $form;
}
/**
* Fills out the form state with extra post data originating from the
* HTML Purifier configuration form. This is an #after_build hook function.
*
* @warning
* If someone ever gets the smart idea of changing the parameters to
* this function, I'm SOL! ;-)
*/
function _htmlpurifier_config_hack($form_element, &$form_state) {
$key = $form_element['#parents'][0];
if (!empty($form_element['#post']) && isset($form_element['#post'][$key])) {
$form_state['values'][$key] = $form_element['#post'][$key];
}
foreach ($form_state['values'] as $i => $config_data) {
if (!is_array($config_data)) continue;
if (!empty($config_data['Filter.ExtractStyleBlocks'])) {
if (!empty($config_data['Null_Filter.ExtractStyleBlocks.Scope'])) {
drupal_set_message("You have not set <code>Filter.ExtractStyleBlocks.Scope</code>; this means that users can add CSS that affects all of your Drupal theme and not just their content block. It is recommended to set this to <code>#node-[%HTMLPURIFIER:NID%]</code> (including brackets) which will automatically ensure that CSS directives only apply to their node.", 'warning', FALSE);
} elseif (!isset($config_data['Filter.ExtractStyleBlocks.Scope']) || $config_data['Filter.ExtractStyleBlocks.Scope'] !== '#node-[%HTMLPURIFIER:NID%]') {
drupal_set_message("You have enabled Filter.ExtractStyleBlocks.Scope, but you did not set it to <code>#node-[%HTMLPURIFIER:NID%]</code>; CSS may not work unless you have special theme support.", 'warning', FALSE);
}
}
}
return $form_element;
}
/**
* Clears the HTML Purifier internal Drupal cache.
*/
function _htmlpurifier_clear_cache($form, &$form_state) {
drupal_set_message("Cache cleared");
db_query("DELETE FROM {cache_htmlpurifier}");
db_query("DELETE FROM {cache} WHERE cid LIKE '%s%%'", 'htmlpurifier:');
}

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@ -0,0 +1,81 @@
# $Id: uk.po,v 1.1.2.2 2009/09/16 17:31:54 podarok Exp $
#
# Ukrainian translation of Drupal (general)
# Copyright YEAR NAME <EMAIL@ADDRESS>
# Generated from files:
# htmlpurifier.module,v 1.8 2009/07/09 23:57:44 ezyang
# htmlpurifier.info,v 1.6 2008/04/24 04:13:09 ezyang
#
msgid ""
msgstr ""
"Project-Id-Version: html purufuer drupal module\n"
"POT-Creation-Date: 2009-09-16 20:13+0300\n"
"PO-Revision-Date: 2009-09-16 20:24+0200\n"
"Last-Translator: podarok <podarok@ua.fm>\n"
"Language-Team: Ukrainian <podarok@ua.fm>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=3; plural=((((n%10)==1)&&((n%100)!=11))?(0):(((((n%10)>=2)&&((n%10)<=4))&&(((n%100)<10)||((n%100)>=20)))?(1):2));\n"
"X-Poedit-Language: Ukrainian\n"
"X-Poedit-Country: UKRAINE\n"
"X-Poedit-SourceCharset: utf-8\n"
#: htmlpurifier.module:20
#: htmlpurifier.info:0
msgid "Filter that removes malicious HTML and ensures standards compliant output."
msgstr "Фільтр, що видаляє шкідливий HTML і сприяє збереженню стандартів виводу"
#: htmlpurifier.module:74;263
#: htmlpurifier.info:0
msgid "HTML Purifier"
msgstr "HTML Чистильщик"
#: htmlpurifier.module:74
msgid "HTML Purifier (advanced)"
msgstr "HTML Чистильщик (розширений)"
#: htmlpurifier.module:91
msgid "<em>This version has advanced configuration options, do not enable both at the same time.</em>"
msgstr "<em>Ця версія має додаткові можливості, не вмикаєте обидві одночасно</em>"
#: htmlpurifier.module:113
msgid "HTML tags will be transformed to conform to HTML standards."
msgstr "HTML теги будуть перетворені у відповідності до стандартів HTML "
#: htmlpurifier.module:268
msgid "Display help text"
msgstr "Відображення тексту допомоги"
#: htmlpurifier.module:270
msgid "If enabled, a short note will be added to the filter tips explaining that HTML will be transformed to conform with HTML standards. You may want to disable this option when the HTML Purifier is used to check the output of another filter like BBCode."
msgstr "Якщо увімкнено, короткі нотатки будуть додані до підказок фільтрів, що пояснюватимуть яким чином HTML буде трансформовано до стандартів. Ви можете вимкнути це в випадках, якщо Чистильщик використовуватиметься для виводу інших фільтрів, наприклад BBCode."
#: htmlpurifier.module:276
msgid "<div>Configuration function <code>!function()</code> is already defined. To edit HTML Purifier's configuration, edit the corresponding configuration file, which is usually <code>htmlpurifier/config/!format.php</code>. To restore the web configuration form, delete or rename this file.</div>"
msgstr "<div>Функція налагодження <code>!function()</code> вже зазначена. Для правки параметрів HTML Чистильщика, змінюйте вкладений файл налаштувань, що зазвичай є <code>htmlpurifier/config/!format.php</code>. Для відновлення параметрів форми налаштування, стріть або перейменуйте цей файл.</div>"
#: htmlpurifier.module:281
msgid "Configure HTML Purifier"
msgstr "Управління модулем HTML Чистильщик"
#: htmlpurifier.module:296
msgid "Advanced configuration options"
msgstr "Розширені налагодження"
#: htmlpurifier.module:300
msgid "Allow double caching"
msgstr "Дозвіл на подвійне кешування"
#: htmlpurifier.module:302
msgid "If enabled, HTML Purifier will tell filter that its output is cacheable. This is not usually necessary, because HTML Purifier maintains its own cache, but may be helpful if you have later filters that need to be cached."
msgstr "Якщо увімкнено, HTML Чистильщик буде повідомляти, що вивід кешований. Це не є необхідно, бо HTML Чистильщик володіє власним кешуванням, але може бути корисно, якщо Ви маєте подальші фільтри, що потребують кешування."
#: htmlpurifier.module:310
msgid "Please click on a directive name for more information on what it does before enabling or changing anything!"
msgstr "Тисніть на імя для додаткової інформації для того, що це таке, переж вмиканням та змінюванням будь чого"
#: htmlpurifier.module:0
msgid "htmlpurifier"
msgstr "html-чистильщик"