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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\Extension\CentralAuth\Hooks\Handlers; |
| 22 | |
| 23 | use MediaWiki\Config\Config; |
| 24 | use MediaWiki\Context\RequestContext; |
| 25 | use MediaWiki\Extension\CentralAuth\CentralAuthHooks; |
| 26 | use MediaWiki\Extension\CentralAuth\Config\CAMainConfigNames; |
| 27 | use MediaWiki\Hook\ContentSecurityPolicyDefaultSourceHook; |
| 28 | use MediaWiki\Hook\ContentSecurityPolicyScriptSourceHook; |
| 29 | use MediaWiki\WikiMap\WikiMap; |
| 30 | |
| 31 | class ContentSecurityPolicyHookHandler implements |
| 32 | ContentSecurityPolicyDefaultSourceHook, |
| 33 | ContentSecurityPolicyScriptSourceHook |
| 34 | { |
| 35 | |
| 36 | private Config $config; |
| 37 | |
| 38 | public function __construct( Config $config ) { |
| 39 | $this->config = $config; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Add other domains as CSP source if auto-login is going to be attempted |
| 44 | * |
| 45 | * This is adding domains for images (and other req types), not scripts. |
| 46 | * |
| 47 | * @note We can't do $out->getCSP()->addDefaultSrc in onBeforePageDisplay, |
| 48 | * because that hook runs after the header is already outputted. |
| 49 | * @param string[] &$defaultSrc Array of allowed CSP sources. |
| 50 | * @param array $policyConfig |
| 51 | * @param int $mode |
| 52 | */ |
| 53 | public function onContentSecurityPolicyDefaultSource( |
| 54 | &$defaultSrc, |
| 55 | $policyConfig, |
| 56 | $mode |
| 57 | ) { |
| 58 | $out = RequestContext::getMain()->getOutput(); |
| 59 | // So possibilities: |
| 60 | // * We are doing edge login because initial login was via API and this is next request. |
| 61 | // * We are doing edge login because JS loaded Special:CentralAutoLogin/start or /checkCookies |
| 62 | // and user is logged in on a different wiki, which eventually loads edge html. |
| 63 | if ( |
| 64 | !$out->getUser()->isRegistered() || |
| 65 | $out->getRequest()->getSessionData( 'CentralAuthDoEdgeLogin' ) |
| 66 | ) { |
| 67 | foreach ( CentralAuthHooks::getAutoLoginWikis() as $wikiID ) { |
| 68 | $wiki = WikiMap::getWiki( $wikiID ); |
| 69 | $url = $wiki->getCanonicalServer(); |
| 70 | if ( CentralAuthHooks::isMobileDomain() ) { |
| 71 | $url = \MobileContext::singleton()->getMobileUrl( $url ); |
| 72 | } |
| 73 | $defaultSrc[] = wfParseUrl( $url )['host']; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | if ( !$out->getUser()->isRegistered() && $this->config->get( CAMainConfigNames::CentralAuthLoginWiki ) ) { |
| 78 | // For the non-js case, there is local image loaded, but it redirects to |
| 79 | // central wiki, so include it. |
| 80 | $loginWiki = WikiMap::getWiki( $this->config->get( CAMainConfigNames::CentralAuthLoginWiki ) ); |
| 81 | $url = $loginWiki->getCanonicalServer(); |
| 82 | if ( CentralAuthHooks::isMobileDomain() ) { |
| 83 | $url = \MobileContext::singleton()->getMobileUrl( $url ); |
| 84 | } |
| 85 | $defaultSrc[] = wfParseUrl( $url )['host']; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Add other domains as CSP source if auto-login is going to be attempted |
| 91 | * |
| 92 | * This is adding domains for scripts but not images. |
| 93 | * |
| 94 | * This is basically for ext.centralauth.centralautologin and corresponds |
| 95 | * to self::getCentralautologinJsData |
| 96 | * |
| 97 | * @note We can't do $out->getCSP()->addScriptSrc() in onBeforePageDisplay, |
| 98 | * because that hook runs after the header is already outputted. |
| 99 | * @param string[] &$scriptSrc Array of allowed CSP sources. |
| 100 | * @param array $policyConfig |
| 101 | * @param int $mode |
| 102 | */ |
| 103 | public function onContentSecurityPolicyScriptSource( |
| 104 | &$scriptSrc, |
| 105 | $policyConfig, |
| 106 | $mode |
| 107 | ) { |
| 108 | $out = RequestContext::getMain()->getOutput(); |
| 109 | if ( $this->config->get( CAMainConfigNames::CentralAuthLoginWiki ) && !$out->getUser()->isRegistered() ) { |
| 110 | $loginWiki = WikiMap::getWiki( $this->config->get( CAMainConfigNames::CentralAuthLoginWiki ) ); |
| 111 | $scriptSrc[] = wfParseUrl( $loginWiki->getCanonicalServer() )['host']; |
| 112 | } |
| 113 | } |
| 114 | } |