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ContentSecurityPolicyHookHandler.php
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ContentSecurityPolicyHookHandler.php
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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Extension\CentralAuth\Hooks\Handlers;
use MediaWiki\Config\Config;
use MediaWiki\Context\RequestContext;
use MediaWiki\Extension\CentralAuth\CentralAuthHooks;
use MediaWiki\Hook\ContentSecurityPolicyDefaultSourceHook;
use MediaWiki\Hook\ContentSecurityPolicyScriptSourceHook;
use MediaWiki\WikiMap\WikiMap;
class ContentSecurityPolicyHookHandler implements
ContentSecurityPolicyDefaultSourceHook,
ContentSecurityPolicyScriptSourceHook
{
private Config $config;
public function __construct( Config $config ) {
$this->config = $config;
}
/**
* Add other domains as CSP source if auto-login is going to be attempted
*
* This is adding domains for images (and other req types), not scripts.
*
* @note We can't do $out->getCSP()->addDefaultSrc in onBeforePageDisplay,
* because that hook runs after the header is already outputted.
* @param string[] &$defaultSrc Array of allowed CSP sources.
* @param array $policyConfig
* @param int $mode
*/
public function onContentSecurityPolicyDefaultSource(
&$defaultSrc,
$policyConfig,
$mode
) {
$out = RequestContext::getMain()->getOutput();
// So possibilities:
// * We are doing edge login because initial login was via API and this is next request.
// * We are doing edge login because JS loaded Special:CentralAutoLogin/start or /checkCookies
// and user is logged in on a different wiki, which eventually loads edge html.
if (
!$out->getUser()->isRegistered() ||
$out->getRequest()->getSessionData( 'CentralAuthDoEdgeLogin' )
) {
foreach ( CentralAuthHooks::getAutoLoginWikis() as $wikiID ) {
$wiki = WikiMap::getWiki( $wikiID );
$url = $wiki->getCanonicalServer();
if ( CentralAuthHooks::isMobileDomain() ) {
$url = \MobileContext::singleton()->getMobileUrl( $url );
}
$defaultSrc[] = wfParseUrl( $url )['host'];
}
}
if ( !$out->getUser()->isRegistered() && $this->config->get( 'CentralAuthLoginWiki' ) ) {
// For the non-js case, there is local image loaded, but it redirects to
// central wiki, so include it.
$loginWiki = WikiMap::getWiki( $this->config->get( 'CentralAuthLoginWiki' ) );
$url = $loginWiki->getCanonicalServer();
if ( CentralAuthHooks::isMobileDomain() ) {
$url = \MobileContext::singleton()->getMobileUrl( $url );
}
$defaultSrc[] = wfParseUrl( $url )['host'];
}
}
/**
* Add other domains as CSP source if auto-login is going to be attempted
*
* This is adding domains for scripts but not images.
*
* This is basically for ext.centralauth.centralautologin and corresponds
* to self::getCentralautologinJsData
*
* @note We can't do $out->getCSP()->addScriptSrc() in onBeforePageDisplay,
* because that hook runs after the header is already outputted.
* @param string[] &$scriptSrc Array of allowed CSP sources.
* @param array $policyConfig
* @param int $mode
*/
public function onContentSecurityPolicyScriptSource(
&$scriptSrc,
$policyConfig,
$mode
) {
$out = RequestContext::getMain()->getOutput();
if ( $this->config->get( 'CentralAuthLoginWiki' ) && !$out->getUser()->isRegistered() ) {
$loginWiki = WikiMap::getWiki( $this->config->get( 'CentralAuthLoginWiki' ) );
$scriptSrc[] = wfParseUrl( $loginWiki->getCanonicalServer() )['host'];
}
}
}

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Tue, Aug 18, 19:48 (2 w, 3 d ago)
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ContentSecurityPolicyHookHandler.php (3 KB)

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