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Issue #3260401 by idebr, Spokje, Akram Khan, mcdruid, longwave, alexpott: Google is abandoning FLoC - so remove the header

merge-requests/2976/head
catch 2022-11-17 14:14:31 +00:00
parent 274f8d916c
commit 14b3f0b824
6 changed files with 8 additions and 118 deletions
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15
core/assets/scaffold/files/default.settings.php
View File

@ -616,21 +616,6 @@ $settings['update_free_access'] = FALSE;
# ini_set('pcre.backtrack_limit', 200000);
# ini_set('pcre.recursion_limit', 200000);
/**
* Add Permissions-Policy header to disable Google FLoC.
*
* By default, Drupal sends the 'Permissions-Policy: interest-cohort=()' header
* to disable Google's Federated Learning of Cohorts feature, introduced in
* Chrome 89.
*
* See https://en.wikipedia.org/wiki/Federated_Learning_of_Cohorts for more
* information about FLoC.
*
* If you don't wish to disable FLoC in Chrome, you can set this value
* to FALSE.
*/
# $settings['block_interest_cohort'] = TRUE;
/**
* Configuration overrides.
*

5
core/lib/Drupal/Core/EventSubscriber/FinishResponseSubscriber.php
View File

@ -131,11 +131,6 @@ class FinishResponseSubscriber implements EventSubscriberInterface {
$response->headers->set('X-Content-Type-Options', 'nosniff', FALSE);
$response->headers->set('X-Frame-Options', 'SAMEORIGIN', FALSE);
// Add a Permissions-Policy header to block Federated Learning of Cohorts.
if (Settings::get('block_interest_cohort', TRUE) && !$response->headers->has('Permissions-Policy')) {
$response->headers->set('Permissions-Policy', 'interest-cohort=()');
}
// If the current response isn't an implementation of the
// CacheableResponseInterface, we assume that a Response is either
// explicitly not cacheable or that caching headers are already set in

4
core/lib/Drupal/Core/Site/Settings.php
View File

@ -54,6 +54,10 @@ final class Settings {
'replacement' => 'twig_sandbox_allowed_prefixes',
'message' => 'The "twig_sandbox_whitelisted_prefixes" setting is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use "twig_sandbox_allowed_prefixes" instead. See https://www.drupal.org/node/3162897.',
],
'block_interest_cohort' => [
'replacement' => '',
'message' => 'The "block_interest_cohort" setting is deprecated in drupal:9.5.0. This setting should be removed from the settings file, since its usage has been removed. See https://www.drupal.org/node/3320787.',
],
];
/**

83
core/tests/Drupal/KernelTests/Core/Http/BlockInterestCohortTest.php
View File

@ -1,83 +0,0 @@
<?php
namespace Drupal\KernelTests\Core\Http;
use Drupal\Core\Site\Settings;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Symfony\Component\HttpKernel\HttpKernelInterface;
/**
* Tests the Permissions-Policy header added by FinishResponseSubscriber.
*
* @group Http
*/
class BlockInterestCohortTest extends KernelTestBase {
/**
* Tests that FLoC is blocked by default.
*/
public function testDefaultBlocking() {
$request = Request::create('/');
$response = \Drupal::service('http_kernel')->handle($request);
$this->assertSame('interest-cohort=()', $response->headers->get('Permissions-Policy'));
}
/**
* Tests that an existing interest-cohort policy is not overwritten.
*/
public function testExistingInterestCohortPolicy() {
$headers['Permissions-Policy'] = 'interest-cohort=*';
$kernel = \Drupal::service('http_kernel');
$request = Request::create('/');
$response = new Response('', 200, $headers);
$event = new ResponseEvent($kernel, $request, HttpKernelInterface::MASTER_REQUEST, $response);
\Drupal::service('finish_response_subscriber')->onRespond($event);
$this->assertSame($headers['Permissions-Policy'], $response->headers->get('Permissions-Policy'));
}
/**
* Tests that an existing header is not modified.
*/
public function testExistingPolicyHeader() {
$headers['Permissions-Policy'] = 'geolocation=()';
$kernel = \Drupal::service('http_kernel');
$request = Request::create('/');
$response = new Response('', 200, $headers);
$event = new ResponseEvent($kernel, $request, HttpKernelInterface::MASTER_REQUEST, $response);
\Drupal::service('finish_response_subscriber')->onRespond($event);
$this->assertSame($headers['Permissions-Policy'], $response->headers->get('Permissions-Policy'));
}
/**
* Tests that FLoC blocking is ignored for subrequests.
*/
public function testSubrequestBlocking() {
$request = Request::create('/');
$response = \Drupal::service('http_kernel')->handle($request, HttpKernelInterface::SUB_REQUEST);
$this->assertFalse($response->headers->has('Permissions-Policy'));
}
/**
* Tests that FLoC blocking can be disabled in settings.php.
*/
public function testDisableBlockSetting() {
$settings = Settings::getAll();
$settings['block_interest_cohort'] = FALSE;
new Settings($settings);
$request = Request::create('/');
$response = \Drupal::service('http_kernel')->handle($request);
$this->assertFalse($response->headers->has('Permissions-Policy'));
}
}

4
core/tests/Drupal/Tests/Core/Site/SettingsTest.php
View File

@ -322,6 +322,10 @@ class SettingsTest extends UnitTestCase {
'twig_sandbox_whitelisted_prefixes',
'The "twig_sandbox_whitelisted_prefixes" setting is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use "twig_sandbox_allowed_prefixes" instead. See https://www.drupal.org/node/3162897.',
],
[
'block_interest_cohort',
'The "block_interest_cohort" setting is deprecated in drupal:9.5.0. This setting should be removed from the settings file, since its usage has been removed. See https://www.drupal.org/node/3320787.',
],
];
}

15
sites/default/default.settings.php
View File

@ -616,21 +616,6 @@ $settings['update_free_access'] = FALSE;
# ini_set('pcre.backtrack_limit', 200000);
# ini_set('pcre.recursion_limit', 200000);
/**
* Add Permissions-Policy header to disable Google FLoC.
*
* By default, Drupal sends the 'Permissions-Policy: interest-cohort=()' header
* to disable Google's Federated Learning of Cohorts feature, introduced in
* Chrome 89.
*
* See https://en.wikipedia.org/wiki/Federated_Learning_of_Cohorts for more
* information about FLoC.
*
* If you don't wish to disable FLoC in Chrome, you can set this value
* to FALSE.
*/
# $settings['block_interest_cohort'] = TRUE;
/**
* Configuration overrides.
*