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N°2523 - Align CKEditor and HtmlDomSanitizer denied and allowed lists

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This commit is contained in:
Stephen Abello
2024-07-17 11:45:55 +02:00
parent 45a1efe2ae
commit 23651ae510
3 changed files with 466 additions and 2 deletions
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78
sources/Application/Helper/CKEditorHelper.php
View File

@@ -7,6 +7,7 @@ use Combodo\iTop\Application\WebPage\WebPage;
use Combodo\iTop\Renderer\BlockRenderer;
use Combodo\iTop\Renderer\RenderingOutput;
use Dict;
use DOMSanitizer;
use Exception;
use ExceptionLog;
use UserRights;
@@ -36,11 +37,12 @@ class CKEditorHelper
*
* @return array
*/
static public function GetCkeditorConfiguration(bool $bWithMentions, ?string $sInitialValue, array $aOverloadConfiguration = []) : array
public static function GetCkeditorConfiguration(bool $bWithMentions, ?string $sInitialValue, array $aOverloadConfiguration = []) : array
{
// Extract language from user preferences
$sLanguageCountry = trim(UserRights::GetUserLanguage());
$sLanguage = strtolower(explode(' ', $sLanguageCountry)[0]);
$aSanitizerConfiguration = self::GetDOMSanitizerForCKEditor();
// configuration
$aConfiguration = array(
@@ -52,6 +54,7 @@ class CKEditorHelper
'objectShortcut' => [
'buttonLabel' => Dict::S('UI:ObjectShortcutInsert')
],
'htmlSupport' => $aSanitizerConfiguration,
);
// Mentions
@@ -75,7 +78,7 @@ class CKEditorHelper
* @return array|array[]
* @throws \Exception
*/
static private function GetMentionConfiguration() : array
private static function GetMentionConfiguration() : array
{
// initialize feeds
$aMentionConfiguration = ['feeds' => []];
@@ -277,4 +280,75 @@ HTML;
return $aJSRelPaths;
}
/**
* @param \DOMSanitizer|null $oSanitizer
*
* @return array|array[]
* @throws \ConfigException
* @throws \CoreException
*/
public static function GetDOMSanitizerForCKEditor(DOMSanitizer $oSanitizer = null) : array
{
if($oSanitizer === null) {
/* @var $oSanitizer DOMSanitizer */
$sSanitizerClass = utils::GetConfig()->Get('html_sanitizer');
$oSanitizer = new $sSanitizerClass();
}
$aWhitelist = [
'allow' => [],
'disallow' => []
];
// Build the allow list
foreach ($oSanitizer->GetTagsWhiteList() as $sTag => $aAttributes) {
$aAllowedItem = [
'name' => $sTag,
'attributes' => [],
'classes' => false,
'styles' => false
];
foreach ($aAttributes as $aAttr) {
if ($aAttr === 'style') {
$aAllowedItem['styles'] = array_fill_keys($oSanitizer->GetStylesWhiteList(), true);
} elseif ($aAttr === 'class') {
$aAllowedItem['classes'] = true;
} elseif (isset($oSanitizer->GetAttrsWhiteList()[$aAttr])) {
$aAllowedItem['attributes'][$aAttr] = [
'pattern' => $oSanitizer->GetAttrsWhiteList()[$aAttr]
];
} else {
$aAllowedItem['attributes'][$aAttr] = true;
}
}
if (empty($aAllowedItem['attributes'])) {
$aAllowedItem['attributes'] = false;
}
$aWhitelist['allow'][] = $aAllowedItem;
}
// Build the disallow list
foreach ($oSanitizer->GetTagsBlackList() as $sTag) {
$aDisallowedItem = [
'name' => $sTag,
'attributes' => [],
];
foreach ($oSanitizer->GetAttrsBlackList() as $aAttr) {
$aDisallowedItem['attributes'][$aAttr] = true;
}
if (empty($aDisallowedItem['attributes'])) {
$aDisallowedItem['attributes'] = true;
}
$aWhitelist['disallow'][] = $aDisallowedItem;
}
return $aWhitelist;
}
}

314
tests/php-unit-tests/unitary-tests/sources/Application/Helper/CKEditorHelperTest.php
View File

@@ -32,4 +32,318 @@ class CKEditorHelperTest extends ItopTestCase
'GetJSFilesRelPathsForCKEditor' => ['GetJSFilesRelPathsForCKEditor'],
];
}
/**
* @dataProvider DOMSanitizerForCKEditorProvider
*
* @param $aSanitizerConfiguration
* @param $aExpectedCKEditorConfiguration
*
* @return void
* @throws \ConfigException
* @throws \CoreException
*/
public function testDOMSanitizerForCKEditor($aSanitizerConfiguration, $aExpectedCKEditorConfiguration)
{
$oSanitizer = new TestDOMSanitizer();
$oSanitizer->SetTagsWhiteList($aSanitizerConfiguration['tagsWhiteList']);
$oSanitizer->SetAttrsWhiteList($aSanitizerConfiguration['attrsWhiteList']);
$oSanitizer->SetStylesWhiteList($aSanitizerConfiguration['stylesWhiteList']);
$oSanitizer->SetTagsBlackList($aSanitizerConfiguration['tagsBlackList']);
$oSanitizer->SetAttrsBlackList($aSanitizerConfiguration['attrsBlackList']);
$aCKEditorConfiguration = CKEditorHelper::GetDOMSanitizerForCKEditor($oSanitizer);
$this->assertEquals($aExpectedCKEditorConfiguration, $aCKEditorConfiguration);
}
public function DOMSanitizerForCKEditorProvider(): array
{
return [
'Allow list small dataset' => [
[
'tagsWhiteList' => [
'html' => array(),
'p' => array('style', 'class'),
'a' => array('href', 'name'),
],
'attrsWhiteList' => [
'href' => '/^(https:)/i'
],
'stylesWhiteList' => [
'color',
'font-size'
],
'tagsBlackList' => [],
'attrsBlackList' => [],
],
[
'allow' => [
[
'name' => 'html',
'attributes' => false,
'classes' => false,
'styles' => false
],
[
'name' => 'p',
'attributes' => false,
'classes' => true,
'styles' => [
'color' => true,
'font-size' => true
]
],
[
'name' => 'a',
'attributes' => [
'href' => [
'pattern' => '/^(https:)/i'
],
'name' => true
],
'classes' => false,
'styles' => false
]
],
'disallow' => []
]
],
'Allow list medium dataset' => [
[
'tagsWhiteList' => [
'h1' => array('style', 'class'),
'h2' => array('style', 'class'),
'h3' => array('style', 'class'),
'h4' => array('style', 'class'),
'table' => array('style', 'class', 'width', 'summary', 'align', 'border', 'cellpadding', 'cellspacing', 'style'),
'tr' => array('style', 'class', 'align', 'valign', 'bgcolor', 'style'),
'ul' => array(),
'ol' => array(),
],
'attrsWhiteList' => [
'href' => '/^(https:)/i',
'src' => '/^(https:)/i',
'width' => '/^([0-9]+(px|em|%)?)$/i',
'height' => '/^([0-9]+(px|em|%)?)$/i',
'align' => '/^(left|right|center|justify)$/i',
'valign' => '/^(top|middle|bottom)$/i',
'bgcolor' => '/^#[0-9a-f]{6}$/i',
],
'stylesWhiteList' => [
'color',
'float',
'font',
'font-family',
'font-size',
'font-style',
'height',
'margin',
'padding',
'text-align',
'vertical-align',
'width',
'white-space',
],
'tagsBlackList' => [],
'attrsBlackList' => [],
],
[
'allow' => [
[
'name' => 'h1',
'attributes' => false,
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'h2',
'attributes' => false,
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'h3',
'attributes' => false,
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'h4',
'attributes' => false,
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'table',
'attributes' => [
'width' => [
'pattern' => '/^([0-9]+(px|em|%)?)$/i'
],
'summary' => true,
'align' => [
'pattern' => '/^(left|right|center|justify)$/i'
],
'border' => true,
'cellpadding' => true,
'cellspacing' => true,
],
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'tr',
'attributes' => [
'align' => [
'pattern' => '/^(left|right|center|justify)$/i'
],
'valign' => [
'pattern' => '/^(top|middle|bottom)$/i'
],
'bgcolor' => [
'pattern' => '/^#[0-9a-f]{6}$/i'
]
],
'classes' => true,
'styles' => [
'color' => true,
'font' => true,
'font-family' => true,
'font-size' => true,
'font-style' => true,
'height' => true,
'margin' => true,
'padding' => true,
'text-align' => true,
'vertical-align' => true,
'width' => true,
'white-space' => true,
'float' => true
]
],
[
'name' => 'ul',
'attributes' => false,
'classes' => false,
'styles' => false
],
[
'name' => 'ol',
'attributes' => false,
'classes' => false,
'styles' => false
]
],
'disallow' => []
]
],
'Disallow list small dataset' => [
[
'tagsWhiteList' => [],
'attrsWhiteList' => [],
'stylesWhiteList' => [],
'tagsBlackList' => [
'html',
'p',
'a',
],
'attrsBlackList' => [
'href',
],
],
[
'allow' => [],
'disallow' => [
[
'name' => 'html',
'attributes' => [
'href' => true
],
],
[
'name' => 'p',
'attributes' => [
'href' => true
],
],
[
'name' => 'a',
'attributes' => [
'href' => true
],
]
]
]
]
];
}
}

76
tests/php-unit-tests/unitary-tests/sources/Application/Helper/TestDOMSanitizer.php Normal file
View File

@@ -0,0 +1,76 @@
<?php
namespace Combodo\iTop\Test\UnitTest\Application\Helper;
use DOMSanitizer;
class TestDOMSanitizer extends DOMSanitizer
{
protected static array $aTagsWhiteList = [];
private static $aStylesWhiteList = [];
private static $aAttrsWhiteList = [];
protected static array $aTagsBlackList = [];
private static $aAttrsBlackList = [];
public function GetTagsWhiteList()
{
return static::$aTagsWhiteList;
}
public function GetTagsBlackList()
{
return static::$aTagsBlackList;
}
public function GetAttrsWhiteList()
{
return static::$aAttrsWhiteList;
}
public function GetAttrsBlackList()
{
return static::$aAttrsBlackList;
}
public function GetStylesWhiteList()
{
return static::$aStylesWhiteList;
}
public function SetTagsWhiteList(array $aTagsWhiteList)
{
static::$aTagsWhiteList = $aTagsWhiteList;
}
public function SetAttrsWhiteList(array $aAttrsWhiteList)
{
static::$aAttrsWhiteList = $aAttrsWhiteList;
}
public function SetStylesWhiteList(array $aStylesWhiteList)
{
static::$aStylesWhiteList = $aStylesWhiteList;
}
public function SetTagsBlackList(array $aTagsBlackList)
{
static::$aTagsBlackList = $aTagsBlackList;
}
public function SetAttrsBlackList(array $aAttrsBlackList)
{
static::$aAttrsBlackList = $aAttrsBlackList;
}
public function LoadDoc($sHTML)
{
// TODO: Implement LoadDoc() method.
}
public function PrintDoc()
{
// TODO: Implement PrintDoc() method.
}
}