wiki.techinc.nl/includes/specials/SpecialPageData.php
Amir Sarabadani d5bd85c5d1 Start a very basic version of Special:PageData
Bug: T163923
Change-Id: I2a1a12f20a38d8d3c50a8f6c9a363be1cb656c70
2017-06-10 04:29:37 +04:30

87 lines
2.2 KiB
PHP

<?php
/**
* 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>.
*
* @license GPL-2.0+
*/
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;
}
}