silverstripe-cms/code/RootURLController.php

118 lines
3.1 KiB
PHP
Executable File

<?php
/**
* @package cms
* @subpackage control
*/
class RootURLController extends Controller {
/**
* @var bool
*/
protected static $is_at_root = false;
/**
* @var string
*/
protected static $default_homepage_link = 'home';
/**
* @var string
*/
protected static $cached_homepage_link;
/**
* Get the full form (e.g. /home/) relative link to the home page for the current HTTP_HOST value. Note that the
* link is trimmed of leading and trailing slashes before returning to ensure consistency.
*
* @return string
*/
public static function get_homepage_link() {
if(!self::$cached_homepage_link) {
$host = str_replace('www.', null, $_SERVER['HTTP_HOST']);
$SQL_host = Convert::raw2sql($host);
$candidates = DataObject::get('SiteTree', "\"HomepageForDomain\" LIKE '%$SQL_host%'");
if($candidates) foreach($candidates as $candidate) {
if(preg_match('/(,|^) *' . preg_quote($host) . ' *(,|$)/', $candidate->HomepageForDomain)) {
self::$cached_homepage_link = trim($candidate->RelativeLink(true), '/');
}
}
if(!self::$cached_homepage_link) {
if (
Object::has_extension('SiteTree', 'Translatable')
&& $link = Translatable::get_homepage_link_by_locale(Translatable::get_current_locale())
) {
self::$cached_homepage_link = $link;
} else {
self::$cached_homepage_link = self::get_default_homepage_link();
}
}
}
return self::$cached_homepage_link;
}
/**
* Gets the link that denotes the homepage if there is not one explicitly defined for this HTTP_HOST value.
*
* @return string
*/
public static function get_default_homepage_link() {
return self::$default_homepage_link;
}
/**
* Returns TRUE if a request to a certain page should be redirected to the site root (i.e. if the page acts as the
* home page).
*
* @param SiteTree $page
* @return bool
*/
public static function should_be_on_root(SiteTree $page) {
if(!self::$is_at_root && self::get_homepage_link() == trim($page->RelativeLink(true), '/')) {
return !(
$page->hasExtension('Translatable') && $page->Locale && $page->Locale != Translatable::default_locale()
);
}
return false;
}
/**
* Resets the cached homepage link value - useful for testing.
*/
public static function reset() {
self::$cached_homepage_link = null;
}
/**
* @param SS_HTTPRequest $request
* @return SS_HTTPResponse
*/
public function handleRequest(SS_HTTPRequest $request) {
self::$is_at_root = true;
$this->pushCurrent();
$this->init();
if(!DB::isActive() || !ClassInfo::hasTable('SiteTree')) {
$this->response = new SS_HTTPResponse();
$this->response->redirect(Director::absoluteBaseURL() . 'dev/build?returnURL=' . (isset($_GET['url']) ? urlencode($_GET['url']) : null));
return $this->response;
}
$request = new SS_HTTPRequest (
$request->httpMethod(), self::get_homepage_link() . '/', $request->getVars(), $request->postVars()
);
$request->match('$URLSegment//$Action', true);
$controller = new ModelAsController();
$result = $controller->handleRequest($request);
$this->popCurrent();
return $result;
}
}