mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-10-02 06:08:27 +02:00
160 lines
5.3 KiB
PHP
160 lines
5.3 KiB
PHP
<?php
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namespace SilverStripe\CMS\Controllers;
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use Exception;
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use SilverStripe\CMS\Model\SiteTree;
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use SilverStripe\Control\Controller;
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use SilverStripe\Control\Director;
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use SilverStripe\Control\HTTPRequest;
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use SilverStripe\Control\HTTPResponse;
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use SilverStripe\Control\HTTPResponse_Exception;
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use SilverStripe\Control\NestedController;
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use SilverStripe\Control\RequestHandler;
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use SilverStripe\Core\ClassInfo;
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use SilverStripe\Core\Injector\Injector;
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use SilverStripe\Dev\Debug;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\DB;
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use Translatable;
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/**
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* ModelAsController deals with mapping the initial request to the first {@link SiteTree}/{@link ContentController}
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* pair, which are then used to handle the request.
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*/
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class ModelAsController extends Controller implements NestedController
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{
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private static $extensions = [
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OldPageRedirector::class,
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];
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/**
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* Get the appropriate {@link ContentController} for handling a {@link SiteTree} object, link it to the object and
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* return it.
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*
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* @param SiteTree $sitetree
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* @param string $action
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* @return ContentController
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*/
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public static function controller_for(SiteTree $sitetree, $action = null)
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{
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$controller = $sitetree->getControllerName();
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if ($action && class_exists($controller . '_' . ucfirst($action))) {
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$controller = $controller . '_' . ucfirst($action);
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}
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return Injector::inst()->create($controller, $sitetree);
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}
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protected function init()
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{
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singleton('SilverStripe\\CMS\\Model\\SiteTree')->extend('modelascontrollerInit', $this);
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parent::init();
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}
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protected function beforeHandleRequest(HTTPRequest $request)
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{
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parent::beforeHandleRequest($request);
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// If the database has not yet been created, redirect to the build page.
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/** @skipUpgrade */
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if (!DB::is_active() || !ClassInfo::hasTable('SiteTree')) {
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$this->getResponse()->redirect(Controller::join_links(
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Director::absoluteBaseURL(),
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'dev/build',
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'?' . http_build_query(array(
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'returnURL' => isset($_GET['url']) ? $_GET['url'] : null,
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))
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));
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}
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}
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/**
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* @uses ModelAsController::getNestedController()
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* @param HTTPRequest $request
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* @return HTTPResponse
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*/
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public function handleRequest(HTTPRequest $request)
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{
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$this->beforeHandleRequest($request);
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// If we had a redirection or something, halt processing.
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if ($this->getResponse()->isFinished()) {
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$this->popCurrent();
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return $this->getResponse();
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}
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// If the database has not yet been created, redirect to the build page.
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/** @skipUpgrade */
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if (!DB::is_active() || !ClassInfo::hasTable('SiteTree')) {
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$this->getResponse()->redirect(Director::absoluteBaseURL() . 'dev/build?returnURL=' . (isset($_GET['url']) ? urlencode($_GET['url']) : null));
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$this->popCurrent();
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return $this->getResponse();
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}
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try {
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$result = $this->getNestedController();
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if ($result instanceof RequestHandler) {
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$result = $result->handleRequest($this->getRequest());
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} elseif (!($result instanceof HTTPResponse)) {
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user_error("ModelAsController::getNestedController() returned bad object type '" .
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get_class($result)."'", E_USER_WARNING);
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}
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} catch (HTTPResponse_Exception $responseException) {
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$result = $responseException->getResponse();
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}
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$this->popCurrent();
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return $result;
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}
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/**
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* @return ContentController
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* @throws Exception If URLSegment not passed in as a request parameter.
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*/
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public function getNestedController()
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{
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$request = $this->getRequest();
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if (!$URLSegment = $request->param('URLSegment')) {
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throw new Exception('ModelAsController->getNestedController(): was not passed a URLSegment value.');
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}
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// Find page by link, regardless of current locale settings
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if (class_exists('Translatable')) {
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Translatable::disable_locale_filter();
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}
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// Select child page
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$conditions = array('"SiteTree"."URLSegment"' => rawurlencode($URLSegment));
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if (SiteTree::config()->get('nested_urls')) {
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$conditions[] = array('"SiteTree"."ParentID"' => 0);
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}
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/** @var SiteTree $sitetree */
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$sitetree = DataObject::get_one(SiteTree::class, $conditions);
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// Check translation module
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// @todo Refactor out module specific code
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if (class_exists('Translatable')) {
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Translatable::enable_locale_filter();
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}
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if (!$sitetree) {
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$this->httpError(404, 'The requested page could not be found.');
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}
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// Enforce current locale setting to the loaded SiteTree object
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if (class_exists('Translatable') && $sitetree->Locale) {
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Translatable::set_current_locale($sitetree->Locale);
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}
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if (isset($_REQUEST['debug'])) {
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Debug::message("Using record #$sitetree->ID of type " . get_class($sitetree) . " with link {$sitetree->Link()}");
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}
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return self::controller_for($sitetree, $this->getRequest()->param('Action'));
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}
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}
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