8000 Integrate the HtmlSanitizer component to the FrameworkBundle · symfony/symfony@7061ef9 · GitHub
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tgalopintgalopin
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Integrate the HtmlSanitizer component to the FrameworkBundle
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‎src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php

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Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\LogicException;
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use Symfony\Component\Form\Form;
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use Symfony\Component\HtmlSanitizer\HtmlSanitizerInterface;
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use Symfony\Component\HttpClient\HttpClient;
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use Symfony\Component\HttpFoundation\Cookie;
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use Symfony\Component\Lock\Lock;
@@ -160,6 +161,7 @@ public function getConfigTreeBuilder(): TreeBuilder
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$this->addNotifierSection($rootNode, $enableIfStandalone);
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$this->addRateLimiterSection($rootNode, $enableIfStandalone);
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$this->addUidSection($rootNode, $enableIfStandalone);
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$this->addHtmlSanitizerSection($rootNode, $enableIfStandalone);
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return $treeBuilder;
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}
@@ -2043,4 +2045,133 @@ private function addUidSection(ArrayNodeDefinition $rootNode, callable $enableIf
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->end()
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;
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}
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private function addHtmlSanitizerSection(ArrayNodeDefinition $rootNode, callable $enableIfStandalone)
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{
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$rootNode
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->children()
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->arrayNode('html_sanitizer')
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->info('HtmlSanitizer configuration')
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->{$enableIfStandalone('symfony/html-sanitizer', HtmlSanitizerInterface::class)}()
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->fixXmlConfig('sanitizer')
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->children()
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->scalarNode('default')
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->defaultValue('html_sanitizer')
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->info('Default sanitizer to use when injecting without named binding.')
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->end()
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->arrayNode('sanitizers')
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->normalizeKeys(false)
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->useAttributeAsKey('name')
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->arrayPrototype()
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->children()
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->scalarNode('allow_safe_elements')
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->info('Allows "safe" elements and attributes.')
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->end()
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->scalarNode('allow_all_static_elements')
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->info('Allows all static elements and attributes from the W3C Sanitizer API standard.')
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->end()
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->arrayNode('allow_elements')
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->info('Configures elements as allowed. Allowed elements are elements the sanitizer should retain from the input.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('block_elements')
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->info('Configures elements as blocked. Blocked elements are elements the sanitizer should remove from the input, but retain their children.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('drop_elements')
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->info('Configures elements as dropped. Dropped elements are elements the sanitizer should remove from the input, including their children.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('allow_attributes')
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->info('Configures attributes as allowed. Allowed attributes are attributes the sanitizer should retain from the input.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('drop_attributes')
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->info('Configures attributes as dropped. Dropped attributes are attributes the sanitizer should remove from the input.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('force_attributes')
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->info('Forcefully set the values of certain attributes on certain elements.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->booleanNode('force_https_urls')
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->info('Transforms URLs using the HTTP scheme to use the HTTPS scheme instead.')
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->defaultFalse()
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->end()
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->arrayNode('allowed_link_schemes')
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->info('Allows only a given list of schemes to be used in links href attributes.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('allowed_link_hosts')
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->info('Allows only a given list of hosts to be used in links href attributes.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->booleanNode('allow_relative_links')
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->info('Allows relative URLs to be used in links href attributes.')
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->defaultFalse()
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->end()
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->arrayNode('allowed_media_schemes')
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->info('Allows only a given list of schemes to be used in media source attributes (img, audio, video, ...).')
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->normalizeKeys(false)
2140+
->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('allowed_media_hosts')
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->info('Allows only a given list of hosts to be used in media source attributes (img, audio, video, ...).')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
2151+
->booleanNode('allow_relative_medias')
2152+
->info('Allows relative URLs to be used in media source attributes (img, audio, video, ...).')
2153+
->defaultFalse()
2154+
->end()
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->arrayNode('with_attribute_sanitizers')
2156+
->info('Registers custom attribute sanitizers.')
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->normalizeKeys(false)
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->defaultValue([])
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->prototype('variable')
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->end()
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->end()
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->arrayNode('without_attribute_sanitizers')
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->info('Unregisters custom attribute sanitizers.')
2164+
->normalizeKeys(false)
2165+
->defaultValue([])
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->prototype('variable')
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->end()
2168+
->end()
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->end()
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->end()
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->end()
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->end()
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->end()
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->end()
2175+
;
2176+
}
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}

‎src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

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Original file line numberDiff line numberDiff line change
@@ -71,6 +71,9 @@
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use Symfony\Component\Form\FormTypeExtensionInterface;
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use Symfony\Component\Form\FormTypeGuesserInterface;
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use Symfony\Component\Form\FormTypeInterface;
74+
use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
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use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
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use Symfony\Component\HtmlSanitizer\HtmlSanitizerInterface;
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use Symfony\Component\HttpClient\MockHttpClient;
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use Symfony\Component\HttpClient\Retry\GenericRetryStrategy;
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use Symfony\Component\HttpClient\RetryableHttpClient;
@@ -488,6 +491,14 @@ public function load(array $configs, ContainerBuilder $container)
488491
$this->registerUidConfiguration($config['uid'], $container, $loader);
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}
490493

494+
if ($this->isConfigEnabled($container, $config['html_sanitizer'])) {
495+
if (!class_exists(HtmlSanitizerConfig::class)) {
496+
throw new LogicException('HtmlSanitizer support cannot be enabled as the HtmlSanitizer component is not installed. Try running "composer require symfony/html-sanitizer".');
497+
}
498+
499+
$this->registerHtmlSanitizerConfiguration($config['html_sanitizer'], $container, $loader);
500+
}
501+
491502
$this->addAnnotatedClassesToCompile([
492503
'**\\Controller\\',
493504
'**\\Entity\\',
@@ -2549,6 +2560,100 @@ private function registerUidConfiguration(array $config, ContainerBuilder $conta
25492560
}
25502561
}
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2563+
private function registerHtmlSanitizerConfiguration(array $config, ContainerBuilder $container, PhpFileLoader $loader)
2564+
{
2565+
$loader->load('html_sanitizer.php');
2566+
2567+
foreach ($config['sanitizers'] as $sanitizerName => $sanitizerConfig) {
2568+
$def = $container->register($sanitizerName.'.config', HtmlSanitizerConfig::class);
2569+
2570+
// Base configuration
2571+
if ($sanitizerConfig['allow_safe_elements'] ?? false) {
2572+
$def->addMethodCall('allowSafeElements', [], true);
2573+
}
2574+
2575+
if ($sanitizerConfig['allow_all_static_elements'] ?? false) {
2576+
$def->addMethodCall('allowAllStaticElements', [], true);
2577+
}
2578+
2579+
// Configures elements
2580+
foreach ($sanitizerConfig['allow_elements'] ?? [] as $element => $attributes) {
2581+
$def->addMethodCall('allowElement', [$element, $attributes], true);
2582+
}
2583+
2584+
foreach ($sanitizerConfig['block_elements'] ?? [] as $element) {
2585+
$def->addMethodCall('blockElement', [$element], true);
2586+
}
2587+
2588+
foreach ($sanitizerConfig['drop_elements'] ?? [] as $element) {
2589+
$def->addMethodCall('dropElement', [$element], true);
2590+
}
2591+
2592+
// Configures attributes
2593+
foreach ($sanitizerConfig['allow_attributes'] ?? [] as $attribute => $elements) {
2594+
$def->addMethodCall('allowAttribute', [$attribute, $elements], true);
2595+
}
2596+
2597+
foreach ($sanitizerConfig['drop_attributes'] ?? [] as $attribute => $elements) {
2598+
$def->addMethodCall('dropAttribute', [$attribute, $elements], true);
2599+
}
2600+
2601+
// Force attributes
2602+
foreach ($sanitizerConfig['force_attributes'] ?? [] as $element => $attributes) {
2603+
foreach ($attributes as $attrName => $attrValue) {
2604+
$def->addMethodCall('forceAttribute', [$element, $attrName, $attrValue], true);
2605+
}
2606+
}
2607+
2608+
// Settings
2609+
if (isset($sanitizerConfig['force_https_urls'])) {
2610+
$def->addMethodCall('forceHttpsUrls', [$sanitizerConfig['force_https_urls']], true);
2611+
}
2612+
2613+
if (isset($sanitizerConfig['allowed_link_schemes'])) {
2614+
$def->addMethodCall('allowLinkSchemes', [$sanitizerConfig['allowed_link_schemes']], true);
2615+
}
2616+
2617+
if (isset($sanitizerConfig['allowed_link_hosts'])) {
2618+
$def->addMethodCall('allowLinkHosts', [$sanitizerConfig['allowed_link_hosts']], true);
2619+
}
2620+
2621+
if (isset($sanitizerConfig['allow_relative_links'])) {
2622+
$def->addMethodCall('allowRelativeLinks', [$sanitizerConfig['allow_relative_links']], true);
2623+
}
2624+
2625+
if (isset($sanitizerConfig['allowed_media_schemes'])) {
2626+
$def->addMethodCall('allowMediaSchemes', [$sanitizerConfig['allowed_media_schemes']], true);
2627+
}
2628+
2629+
if (isset($sanitizerConfig['allowed_media_hosts'])) {
2630+
$def->addMethodCall('allowMediaHosts', [$sanitizerConfig['allowed_media_hosts']], true);
2631+
}
2632+
2633+
if (isset($sanitizerConfig['allow_relative_medias'])) {
2634+
$def->addMethodCall('allowRelativeMedias', [$sanitizerConfig['allow_relative_medias']], true);
2635+
}
2636+
2637+
// Custom attribute sanitizers
2638+
foreach ($sanitizerConfig['with_attribute_sanitizers'] ?? [] as $serviceName) {
2639+
$def->addMethodCall('withAttributeSanitizer', [new Reference($serviceName)], true);
2640+
}
2641+
2642+
foreach ($sanitizerConfig['without_attribute_sanitizers'] ?? [] as $serviceName) {
2643+
$def->addMethodCall('withoutAttributeSanitizer', [new Reference($serviceName)], true);< 10000 /div>
2644+
}
2645+
2646+
// Create the sanitizer and link its config
2647+
$container->register($sanitizerName, HtmlSanitizer::class)
2648+
->addArgument(new Reference($sanitizerName.'.config'))
2649+
;
2650+
2651+
$container->registerAliasForArgument($sanitizerName, HtmlSanitizerInterface::class, $sanitizerName);
2652+
}
2653+
2654+
$container->setAlias(HtmlSanitizerInterface::class, new Reference($config['default']));
2655+
}
2656+
25522657
private function resolveTrustedHeaders(array $headers): int
25532658
{
25542659
$trustedHeaders = 0;

‎src/Symfony/Bundle/FrameworkBundle/Resources/config/html_sanitizer.php

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@@ -0,0 +1,25 @@
1+
<?php
2+
3+
/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
7+
*
8+
* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
11+
12+
namespace Symfony\Component\DependencyInjection\Loader\Configurator;
13+
14+
use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
15+
use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
16+
17+
return static function (ContainerConfigurator $container) {
18+
$container->services()
19+
->set('html_sanitizer.config', HtmlSanitizerConfig::class)
20+
->call('allowSafeElements')
21+
22+
->set('html_sanitizer', HtmlSanitizer::class)
23+
->args([service('html_sanitizer.config')])
24+
;
25+
};

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