118 lines
3.3 KiB
PHP
118 lines
3.3 KiB
PHP
<?php
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namespace SilverStripe\CMS\Controllers;
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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\Core\ClassInfo;
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use SilverStripe\Core\Config\Config;
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use SilverStripe\Core\Resettable;
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use SilverStripe\ORM\DB;
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class RootURLController extends Controller implements Resettable
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{
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/**
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* @var bool
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*/
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protected static $is_at_root = false;
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/**
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* @config
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* @var string
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*/
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private static $default_homepage_link = 'home';
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/**
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* @var string
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*/
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protected static $cached_homepage_link;
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/**
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* Get the full form (e.g. /home/) relative link to the home page for the current HTTP_HOST value. Note that the
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* link is trimmed of leading and trailing slashes before returning to ensure consistency.
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*
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* @return string
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*/
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public static function get_homepage_link()
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{
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if (!self::$cached_homepage_link) {
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$link = Config::inst()->get(__CLASS__, 'default_homepage_link');
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singleton(__CLASS__)->extend('updateHomepageLink', $link);
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self::$cached_homepage_link = $link;
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}
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return self::$cached_homepage_link;
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}
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/**
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* Returns TRUE if a request to a certain page should be redirected to the site root (i.e. if the page acts as the
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* home page).
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*
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* @param SiteTree $page
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* @return bool
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*/
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public static function should_be_on_root(SiteTree $page)
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{
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return (!self::$is_at_root && self::get_homepage_link() == trim($page->RelativeLink(true) ?? '', '/'));
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}
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/**
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* Resets the cached homepage link value - useful for testing.
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*/
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public static function reset()
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{
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self::$cached_homepage_link = null;
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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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self::$is_at_root = true;
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/** @skipUpgrade */
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if (!DB::is_active() || !ClassInfo::hasTable('SiteTree')) {
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$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([
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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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* @param HTTPRequest $request
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* @return HTTPResponse
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*/
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public function handleRequest(HTTPRequest $request)
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{
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self::$is_at_root = true;
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$this->beforeHandleRequest($request);
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if (!$this->getResponse()->isFinished()) {
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/** @skipUpgrade */
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if (!DB::is_active() || !ClassInfo::hasTable('SiteTree')) {
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$this->getResponse()->redirect(Director::absoluteBaseURL() . 'dev/build?returnURL=' . (isset($_GET['url']) ? urlencode($_GET['url']) : null));
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return $this->getResponse();
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}
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$request->setUrl(self::get_homepage_link() . '/');
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$request->match('$URLSegment//$Action', true);
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$controller = new ModelAsController();
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$response = $controller->handleRequest($request);
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$this->prepareResponse($response);
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}
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$this->afterHandleRequest();
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return $this->getResponse();
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}
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}
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