mirror of
https://github.com/silverstripe/silverstripe-framework
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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@104468 467b73ca-7a2a-4603-9d3b-597d59a354a9
182 lines
5.6 KiB
PHP
Executable File
182 lines
5.6 KiB
PHP
Executable File
<?php
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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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* @package sapphire
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* @subpackage control
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*/
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class ModelAsController extends Controller implements NestedController {
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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, $action = null) {
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if($sitetree->class == 'SiteTree') $controller = "ContentController";
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else $controller = "{$sitetree->class}_Controller";
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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 class_exists($controller) ? new $controller($sitetree) : $sitetree;
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}
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public function init() {
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singleton('SiteTree')->extend('modelascontrollerInit', $this);
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parent::init();
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}
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/**
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* @uses ModelAsController::getNestedController()
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* @return SS_HTTPResponse
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*/
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public function handleRequest(SS_HTTPRequest $request) {
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$this->request = $request;
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$this->pushCurrent();
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// Create a response just in case init() decides to redirect
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$this->response = new SS_HTTPResponse();
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$this->init();
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// If we had a redirection or something, halt processing.
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if($this->response->isFinished()) {
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$this->popCurrent();
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return $this->response;
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}
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// If the database has not yet been created, redirect to the build page.
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if(!DB::isActive() || !ClassInfo::hasTable('SiteTree')) {
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$this->response->redirect(Director::absoluteBaseURL() . 'dev/build?returnURL=' . (isset($_GET['url']) ? urlencode($_GET['url']) : null));
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$this->popCurrent();
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return $this->response;
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}
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try {
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$result = $this->getNestedController();
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if($result instanceof RequestHandler) {
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$result = $result->handleRequest($this->request);
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} else if(!($result instanceof SS_HTTPResponse)) {
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user_error("ModelAsController::getNestedController() returned bad object type '" .
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get_class($result)."'", E_USER_WARNING);
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}
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} catch(SS_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 $result;
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}
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/**
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* @return ContentController
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*/
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public function getNestedController() {
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$request = $this->request;
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if(!$URLSegment = $request->param('URLSegment')) {
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throw new Exception('ModelAsController->getNestedController(): was not passed a URLSegment value.');
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}
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// Find page by link, regardless of current locale settings
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Translatable::disable_locale_filter();
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$sitetree = DataObject::get_one(
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'SiteTree',
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sprintf(
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'"URLSegment" = \'%s\' %s',
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Convert::raw2sql($URLSegment),
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(SiteTree::nested_urls() ? 'AND "ParentID" = 0' : null)
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)
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);
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Translatable::enable_locale_filter();
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if(!$sitetree) {
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// If a root page has been renamed, redirect to the new location.
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// See ContentController->handleRequest() for similiar logic.
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$redirect = self::find_old_page($URLSegment);
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if($redirect = self::find_old_page($URLSegment)) {
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$params = $request->getVars();
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if(isset($params['url'])) unset($params['url']);
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$this->response = new SS_HTTPResponse();
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$this->response->redirect(
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Controller::join_links(
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$redirect->Link(
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Controller::join_links(
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$request->param('Action'),
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$request->param('ID'),
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$request->param('OtherID')
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)
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),
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// Needs to be in separate join links to avoid urlencoding
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($params) ? '?' . http_build_query($params) : null
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),
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301
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);
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return $this->response;
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}
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if($response = ErrorPage::response_for(404)) {
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return $response;
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} else {
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$this->httpError(404, 'The requested page could not be found.');
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}
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}
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// Enforce current locale setting to the loaded SiteTree object
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if($sitetree->Locale) Translatable::set_current_locale($sitetree->Locale);
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if(isset($_REQUEST['debug'])) {
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Debug::message("Using record #$sitetree->ID of type $sitetree->class with link {$sitetree->Link()}");
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}
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return self::controller_for($sitetree, $this->request->param('Action'));
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}
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/**
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* @param string $URLSegment A subset of the url. i.e in /home/contact/ home and contact are URLSegment.
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* @param int $parentID The ID of the parent of the page the URLSegment belongs to.
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* @return SiteTree
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*/
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static function find_old_page($URLSegment,$parentID = 0, $ignoreNestedURLs = false) {
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$URLSegment = Convert::raw2sql($URLSegment);
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$useParentIDFilter = SiteTree::nested_urls() && $parentID;
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// First look for a non-nested page that has a unique URLSegment and can be redirected to.
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if(SiteTree::nested_urls()) {
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$pages = DataObject::get(
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'SiteTree',
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"\"URLSegment\" = '$URLSegment'" . ($useParentIDFilter ? ' AND "ParentID" = ' . (int)$parentID : '')
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);
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if($pages && $pages->Count() == 1) return $pages->First();
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}
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// Get an old version of a page that has been renamed.
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$query = new SQLQuery (
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'"RecordID"',
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'"SiteTree_versions"',
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"\"URLSegment\" = '$URLSegment' AND \"WasPublished\" = 1" . ($useParentIDFilter ? ' AND "ParentID" = ' . (int)$parentID : ''),
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'"LastEdited" DESC',
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null,
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null,
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1
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);
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$record = $query->execute()->first();
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if($record && ($oldPage = DataObject::get_by_id('SiteTree', $record['RecordID']))) {
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// Run the page through an extra filter to ensure that all decorators are applied.
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if(SiteTree::get_by_link($oldPage->RelativeLink())) return $oldPage;
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}
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}
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} |