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SpecialGoToInterwiki.php
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SpecialGoToInterwiki.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\Specials;
use MediaWiki\SpecialPage\UnlistedSpecialPage;
use MediaWiki\Title\Title;
/**
* Landing page for non-local interwiki links.
*
* This exists for security and privacy reasons.
*
* The landing page warns people and obtains consent before leaving
* the site and visiting a third-party website. This can reduce
* impact of phishing tricks as well.
*
* This is meant to be used as the replacement URL when resolving
* an interwiki link things in a context where it would be
* navigated to without clear consent. For example, when doing
* a simple search (not "advanced") in which we would normally
* redirect to the first result if there is an exact match
* (e.g. Special:Search/google:foo).
*
* This is not needed for external interwiki links in content,
* e.g. [[google:foo]] in parser output may link directly.
*
* Further context at https://phabricator.wikimedia.org/T122209.
*
* @ingroup SpecialPage
*/
class SpecialGoToInterwiki extends UnlistedSpecialPage {
public function __construct() {
parent::__construct( 'GoToInterwiki' );
}
public function execute( $par ) {
$par ??= '';
// Allow forcing an interstitial for local interwikis. This is used
// when a redirect page is reached via a special page which resolves
// to a user-dependent value (as defined by
// RedirectSpecialPage::personallyIdentifiableTarget). See the hack
// for avoiding T109724 in MediaWiki::performRequest (which also
// explains why we can't use a query parameter instead).
$force = str_starts_with( $par, 'force/' );
if ( $force ) {
$par = substr( $par, 6 );
}
$this->setHeaders();
$target = Title::newFromText( $par );
// Disallow special pages as a precaution against
// possible redirect loops.
if ( !$target || $target->isSpecialPage() ) {
$this->getOutput()->setStatusCode( 404 );
$this->getOutput()->addWikiMsg( 'gotointerwiki-invalid' );
return;
}
$url = $target->getFullURL();
if ( !$target->isExternal() || ( $target->isLocal() && !$force ) ) {
// Either a normal page, or a local interwiki.
// Just redirect.
$this->getOutput()->redirect( $url, '301' );
} else {
$this->getOutput()->addWikiMsg(
'gotointerwiki-external',
$url,
$target->getFullText()
);
}
}
/**
* @return bool
*/
public function requiresWrite() {
return false;
}
/**
* @return string
*/
protected function getGroupName() {
return 'redirects';
}
}
/** @deprecated class alias since 1.41 */
class_alias( SpecialGoToInterwiki::class, 'SpecialGoToInterwiki' );

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SpecialGoToInterwiki.php (3 KB)

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