Current File : //www/varak.net/wiki.varak.net/includes/specials/SpecialPageData.php
<?php
/**
* Special page to act as an endpoint for accessing raw page data.
*
* 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
*/
/**
* Special page to act as an endpoint for accessing raw page data.
* The web server should generally be configured to make this accessible via a canonical URL/URI,
* such as <http://my.domain.org/data/main/Foo>.
*
* @class
* @ingroup SpecialPage
*/
class SpecialPageData extends SpecialPage {
/**
* @var PageDataRequestHandler|null
*/
private $requestHandler = null;
public function __construct() {
parent::__construct( 'PageData' );
}
/**
* Sets the request handler to be used by the special page.
* May be used when a particular instance of PageDataRequestHandler is already
* known, e.g. during testing.
*
* If no request handler is set using this method, a default handler is created
* on demand by initDependencies().
*
* @param PageDataRequestHandler $requestHandler
*/
public function setRequestHandler( PageDataRequestHandler $requestHandler ) {
$this->requestHandler = $requestHandler;
}
/**
* Initialize any un-initialized members from global context.
* In particular, this initializes $this->requestHandler
*/
protected function initDependencies() {
if ( $this->requestHandler === null ) {
$this->requestHandler = $this->newDefaultRequestHandler();
}
}
/**
* Creates a PageDataRequestHandler based on global defaults.
*
* @return PageDataRequestHandler
*/
private function newDefaultRequestHandler() {
return new PageDataRequestHandler();
}
/**
* @see SpecialWikibasePage::execute
*
* @param string|null $subPage
*
* @throws HttpError
*/
public function execute( $subPage ) {
$this->initDependencies();
// If there is no title, show an HTML form
// TODO: Don't do this if HTML is not acceptable according to HTTP headers.
if ( !$this->requestHandler->canHandleRequest( $subPage, $this->getRequest() ) ) {
$this->showForm();
return;
}
$this->requestHandler->handleRequest( $subPage, $this->getRequest(), $this->getOutput() );
}
/**
* Shows an informative page to the user; Called when there is no page to output.
*/
public function showForm() {
$this->getOutput()->showErrorPage( 'pagedata-title', 'pagedata-text' );
}
public function isListed() {
// Do not list this page in Special:SpecialPages
return false;
}
}
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