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nicolas-grekasnicolas-grekas
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[FrameworkBundle] allow configuring trusted proxies using semantic configuration
1 parent 56b993a commit f7dbc35

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8 files changed

+65
-5
lines changed

8 files changed

+65
-5
lines changed

‎src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md

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@@ -5,6 +5,7 @@ CHANGELOG
55
-----
66

77
* Added `framework.http_cache` configuration tree
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* Added `framework.trusted_proxies` and `framework.trusted_headers` configuration options
89

910
5.1.0
1011
-----

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

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@@ -85,6 +85,19 @@ public function getConfigTreeBuilder()
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->beforeNormalization()->ifString()->then(function ($v) { return [$v]; })->end()
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->prototype('scalar')->end()
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->end()
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->scalarNode('trusted_proxies')->end()
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->arrayNode('trusted_headers')
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->fixXmlConfig('trusted_header')
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->defaultValue(['x-forwarded-all', '!x-forwarded-host', '!x-forwarded-prefix'])
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->beforeNormalization()->ifString()->then(function ($v) { return $v ? array_map('trim', explode(',', $v)) : []; })->end()
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->enumPrototype()
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->values([
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'forwarded',
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'x-forwarded-for', 'x-forwarded-host', 'x-forwarded-proto', 'x-forwarded-port',
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'x-forwarded-all', '!x-forwarded-host', '!x-forwarded-prefix',
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])
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->end()
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->end()
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->scalarNode('error_controller')
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->defaultValue('error_controller')
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->end()

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

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@@ -65,6 +65,7 @@
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use Symfony\Component\Form\FormTypeGuesserInterface;
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use Symfony\Component\Form\FormTypeInterface;
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use Symfony\Component\HttpClient\ScopingHttpClient;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface;
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use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
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use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
@@ -241,6 +242,11 @@ public function load(array $configs, ContainerBuilder $container)
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$container->setParameter('kernel.default_locale', $config['default_locale']);
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$container->setParameter('kernel.error_controller', $config['error_controller']);
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245+
if (isset($config['trusted_proxies'], $config['trusted_headers'])) {
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$container->setParameter('kernel.trusted_proxies', $config['trusted_proxies']);
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$container->setParameter('kernel.trusted_headers', $this->resolveTrustedHeaders($config['trusted_headers']));
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}
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if (!$container->hasParameter('debug.file_link_format')) {
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$links = [
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'textmate' => 'txmt://open?url=file://%%f&line=%%l',
@@ -2096,6 +2102,30 @@ private function registerNotifierConfiguration(array $config, ContainerBuilder $
20962102
}
20972103
}
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2105+
private function resolveTrustedHeaders(array $headers): int
2106+
{
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$trustedHeaders = 0;
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2109+
foreach ($headers as $h) {
2110+
switch ($h) {
2111+
case 'forwarded': $trustedHeaders |= Request::HEADER_FORWARDED; break;
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case 'x-forwarded-for': $trustedHeaders |= Request::HEADER_X_FORWARDED_FOR; break;
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case 'x-forwarded-host': $trustedHeaders |= Request::HEADER_X_FORWARDED_HOST; break;
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case 'x-forwarded-proto': $trustedHeaders |= Request::HEADER_X_FORWARDED_PROTO; break;
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case 'x-forwarded-port': $trustedHeaders |= Request::HEADER_X_FORWARDED_PORT; break;
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case '!x-forwarded-host': $trustedHeaders &= ~Request::HEADER_X_FORWARDED_HOST; break;
2117+
case 'x-forwarded-all':
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if (!\in_array('!x-forwarded-prefix', $headers)) {
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throw new LogicException('When using "x-forwarded-all" in "framework.trusted_headers", "!x-forwarded-prefix" must be explicitly listed until support for X-Forwarded-Prefix is implemented.');
2120+
}
2121+
$trustedHeaders |= Request::HEADER_X_FORWARDED_ALL;
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break;
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}
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}
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return $trustedHeaders;
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}
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/**
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* {@inheritdoc}
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*/

‎src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php

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@@ -95,10 +95,6 @@ public function boot()
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if ($this->container->getParameter('kernel.http_method_override')) {
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Request::enableHttpMethodParameterOverride();
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}
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if ($trustedHosts = $this->container->getParameter('kernel.trusted_hosts')) {
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Request::setTrustedHosts($trustedHosts);
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}
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}
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public function build(ContainerBuilder $container)

‎src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd

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@@ -42,6 +42,9 @@
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<xsd:attribute name="default-locale" type="xsd:string" />
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<xsd:attribute name="test" type="xsd:boolean" />
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<xsd:attribute name="error-controller" type="xsd:string" />
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<xsd:attribute name="trusted_hosts" type="xsd:string" />
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<xsd:attribute name="trusted_proxies" type="xsd:string" />
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<xsd:attribute name="trusted_headers" type="xsd:string" />
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</xsd:complexType>
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<xsd:complexType name="form">

‎src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php

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@@ -341,6 +341,11 @@ protected static function getBundleDefaultConfig()
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'http_method_override' => true,
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'ide' => null,
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'default_locale' => 'en',
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'trusted_headers' => [
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'x-forwarded-all',
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'!x-forwarded-host',
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'!x-forwarded-prefix',
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],
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'csrf_protection' => [
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'enabled' => false,
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],

‎src/Symfony/Component/HttpKernel/CHANGELOG.md

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@@ -5,6 +5,8 @@ CHANGELOG
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-----
66

77
* made the public `http_cache` service handle requests when available
8+
* allowed enabling trusted hosts and proxies using new `kernel.trusted_hosts`,
9+
`kernel.trusted_proxies` and `kernel.trusted_headers` parameters
810

911
5.1.0
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-----

‎src/Symfony/Component/HttpKernel/Kernel.php

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@@ -764,7 +764,17 @@ private function preBoot(): ContainerInterface
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$this->initializeBundles();
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$this->initializeContainer();
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767-
return $this->container;
767+
$container = $this->container;
768+
769+
if ($container->hasParameter('kernel.trusted_hosts') && $trustedHosts = $container->getParameter('kernel.trusted_hosts')) {
770+
Request::setTrustedHosts($trustedHosts);
771+
}
772+
773+
if ($container->hasParameter('kernel.trusted_proxies') && $container->hasParameter('kernel.trusted_headers') && $trustedProxies = $container->getParameter('kernel.trusted_proxies')) {
774+
Request::setTrustedProxies(explode(',', $trustedProxies), $container->getParameter('kernel.trusted_headers'));
775+
}
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777+
return $container;
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}
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/**

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