mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-10-22 08:05:56 +02:00
471 lines
15 KiB
PHP
471 lines
15 KiB
PHP
<?php
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/**
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* The most common kind of controller; effectively a controller linked to a {@link DataObject}.
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*
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* ContentControllers are most useful in the content-focused areas of a site. This is generally
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* the bulk of a site; however, they may be less appropriate in, for example, the user management
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* section of an application.
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*
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* On its own, content controller does very little. Its constructor is passed a {@link DataObject}
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* which is stored in $this->dataRecord. Any unrecognised method calls, for example, Title()
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* and Content(), will be passed along to the data record,
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*
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* Subclasses of ContentController are generally instantiated by ModelAsController; this will create
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* a controller based on the URLSegment action variable, by looking in the SiteTree table.
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*
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* @todo Can this be used for anything other than SiteTree controllers?
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*
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* @package cms
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* @subpackage control
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*/
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class ContentController extends Controller {
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protected $dataRecord;
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private static $allowed_actions = array(
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'successfullyinstalled',
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'deleteinstallfiles', // secured through custom code
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'LoginForm'
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);
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/**
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* The ContentController will take the URLSegment parameter from the URL and use that to look
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* up a SiteTree record.
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*/
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public function __construct($dataRecord = null) {
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if(!$dataRecord) {
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$dataRecord = new Page();
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if($this->hasMethod("Title")) $dataRecord->Title = $this->Title();
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$dataRecord->URLSegment = get_class($this);
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$dataRecord->ID = -1;
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}
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$this->dataRecord = $dataRecord;
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$this->failover = $this->dataRecord;
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parent::__construct();
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}
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/**
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* Return the link to this controller, but force the expanded link to be returned so that form methods and
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* similar will function properly.
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*
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* @return string
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*/
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public function Link($action = null) {
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return $this->data()->Link(($action ? $action : true));
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}
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//----------------------------------------------------------------------------------//
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// These flexible data methods remove the need for custom code to do simple stuff
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/**
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* Return the children of a given page. The parent reference can either be a page link or an ID.
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*
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* @param string|int $parentRef
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* @return SS_List
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*/
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public function ChildrenOf($parentRef) {
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$parent = SiteTree::get_by_link($parentRef);
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if(!$parent && is_numeric($parentRef)) {
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$parent = DataObject::get_by_id('SiteTree', Convert::raw2sql($parentRef));
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}
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if($parent) return $parent->Children();
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}
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/**
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* @return SS_List
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*/
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public function Page($link) {
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return SiteTree::get_by_link($link);
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}
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public function init() {
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parent::init();
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// If we've accessed the homepage as /home/, then we should redirect to /.
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if($this->dataRecord && $this->dataRecord instanceof SiteTree
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&& RootURLController::should_be_on_root($this->dataRecord) && (!isset($this->urlParams['Action']) || !$this->urlParams['Action'] )
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&& !$_POST && !$_FILES && !$this->redirectedTo() ) {
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$getVars = $_GET;
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unset($getVars['url']);
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if($getVars) $url = "?" . http_build_query($getVars);
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else $url = "";
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$this->redirect($url, 301);
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return;
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}
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if($this->dataRecord) $this->dataRecord->extend('contentcontrollerInit', $this);
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else singleton('SiteTree')->extend('contentcontrollerInit', $this);
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if($this->redirectedTo()) return;
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// Check page permissions
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if($this->dataRecord && $this->URLSegment != 'Security' && !$this->dataRecord->canView()) {
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return Security::permissionFailure($this);
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}
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// Draft/Archive security check - only CMS users should be able to look at stage/archived content
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if(
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$this->URLSegment != 'Security'
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&& !Session::get('unsecuredDraftSite')
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&& (
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Versioned::current_archived_date()
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|| (Versioned::current_stage() && Versioned::current_stage() != 'Live')
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)
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) {
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if(!$this->dataRecord->canViewStage(Versioned::current_archived_date() ? 'Stage' : Versioned::current_stage())) {
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$link = $this->Link();
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$message = _t(
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"ContentController.DRAFT_SITE_ACCESS_RESTRICTION",
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'You must log in with your CMS password in order to view the draft or archived content. ' .
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'<a href="%s">Click here to go back to the published site.</a>'
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);
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Session::clear('currentStage');
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Session::clear('archiveDate');
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$permissionMessage = sprintf(
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_t(
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"ContentController.DRAFT_SITE_ACCESS_RESTRICTION",
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'You must log in with your CMS password in order to view the draft or archived content. '.
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'<a href="%s">Click here to go back to the published site.</a>'
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),
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Controller::join_links($this->Link(), "?stage=Live")
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);
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return Security::permissionFailure($this, $permissionMessage);
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}
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}
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// Use theme from the site config
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if(($config = SiteConfig::current_site_config()) && $config->Theme) {
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Config::inst()->update('SSViewer', 'theme', $config->Theme);
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}
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}
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/**
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* This acts the same as {@link Controller::handleRequest()}, but if an action cannot be found this will attempt to
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* fall over to a child controller in order to provide functionality for nested URLs.
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*
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* @return SS_HTTPResponse
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*/
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public function handleRequest(SS_HTTPRequest $request, DataModel $model = null) {
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$child = null;
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$action = $request->param('Action');
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$this->setDataModel($model);
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// If nested URLs are enabled, and there is no action handler for the current request then attempt to pass
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// control to a child controller. This allows for the creation of chains of controllers which correspond to a
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// nested URL.
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if($action && SiteTree::config()->nested_urls && !$this->hasAction($action)) {
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// See ModelAdController->getNestedController() for similar logic
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if(class_exists('Translatable')) Translatable::disable_locale_filter();
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// look for a page with this URLSegment
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$child = $this->model->SiteTree->filter(array(
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'ParentID' => $this->ID,
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'URLSegment' => rawurlencode($action)
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))->first();
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if(class_exists('Translatable')) Translatable::enable_locale_filter();
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// if we can't find a page with this URLSegment try to find one that used to have
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// that URLSegment but changed. See ModelAsController->getNestedController() for similiar logic.
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if(!$child){
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$child = ModelAsController::find_old_page($action,$this->ID);
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if($child){
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$response = new SS_HTTPResponse();
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$params = $request->getVars();
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if(isset($params['url'])) unset($params['url']);
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$response->redirect(
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Controller::join_links(
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$child->Link(
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Controller::join_links(
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$request->param('ID'), // 'ID' is the new 'URLSegment', everything shifts up one position
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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 $response;
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}
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}
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}
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// we found a page with this URLSegment.
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if($child) {
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$request->shiftAllParams();
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$request->shift();
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$response = ModelAsController::controller_for($child)->handleRequest($request, $model);
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} else {
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// If a specific locale is requested, and it doesn't match the page found by URLSegment,
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// look for a translation and redirect (see #5001). Only happens on the last child in
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// a potentially nested URL chain.
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if(class_exists('Translatable')) {
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if($request->getVar('locale') && $this->dataRecord && $this->dataRecord->Locale != $request->getVar('locale')) {
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$translation = $this->dataRecord->getTranslation($request->getVar('locale'));
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if($translation) {
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$response = new SS_HTTPResponse();
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$response->redirect($translation->Link(), 301);
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throw new SS_HTTPResponse_Exception($response);
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}
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}
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}
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Director::set_current_page($this->data());
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$response = parent::handleRequest($request, $model);
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Director::set_current_page(null);
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}
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return $response;
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}
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/**
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* @uses ErrorPage::response_for()
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*/
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public function httpError($code, $message = null) {
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// Don't use the HTML response for media requests
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$response = $this->request->isMedia() ? null : ErrorPage::response_for($code);
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// Failover to $message if the HTML response is unavailable / inappropriate
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parent::httpError($code, $response ? $response : $message);
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}
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/**
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* Get the project name
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*
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* @return string
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*/
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public function project() {
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global $project;
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return $project;
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}
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/**
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* Returns the associated database record
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*/
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public function data() {
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return $this->dataRecord;
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}
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/*--------------------------------------------------------------------------------*/
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/**
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* Returns a fixed navigation menu of the given level.
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* @return SS_List
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*/
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public function getMenu($level = 1) {
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if($level == 1) {
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$result = SiteTree::get()->filter(array(
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"ShowInMenus" => 1,
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"ParentID" => 0
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));
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} else {
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$parent = $this->data();
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$stack = array($parent);
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if($parent) {
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while($parent = $parent->Parent) {
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array_unshift($stack, $parent);
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}
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}
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if(isset($stack[$level-2])) $result = $stack[$level-2]->Children();
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}
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$visible = array();
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// Remove all entries the can not be viewed by the current user
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// We might need to create a show in menu permission
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if(isset($result)) {
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foreach($result as $page) {
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if($page->canView()) {
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$visible[] = $page;
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}
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}
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}
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return new ArrayList($visible);
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}
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public function Menu($level) {
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return $this->getMenu($level);
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}
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/**
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* Returns the default log-in form.
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*
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* @todo Check if here should be returned just the default log-in form or
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* all available log-in forms (also OpenID...)
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*/
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public function LoginForm() {
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return MemberAuthenticator::get_login_form($this);
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}
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public function SilverStripeNavigator() {
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$member = Member::currentUser();
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$items = '';
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$message = '';
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if(Director::isDev() || Permission::check('CMS_ACCESS_CMSMain') || Permission::check('VIEW_DRAFT_CONTENT')) {
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if($this->dataRecord) {
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Requirements::css(CMS_DIR . '/css/SilverStripeNavigator.css');
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Requirements::javascript(FRAMEWORK_DIR . '/thirdparty/jquery/jquery.js');
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Requirements::javascript(CMS_DIR . '/javascript/SilverStripeNavigator.js');
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$return = $nav = SilverStripeNavigator::get_for_record($this->dataRecord);
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$items = $return['items'];
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$message = $return['message'];
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}
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if($member) {
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$firstname = Convert::raw2xml($member->FirstName);
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$surname = Convert::raw2xml($member->Surname);
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$logInMessage = _t('ContentController.LOGGEDINAS', 'Logged in as') ." {$firstname} {$surname} - <a href=\"Security/logout\">". _t('ContentController.LOGOUT', 'Log out'). "</a>";
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} else {
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$logInMessage = sprintf(
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'%s - <a href="%s">%s</a>' ,
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_t('ContentController.NOTLOGGEDIN', 'Not logged in') ,
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Config::inst()->get('Security', 'login_url'),
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_t('ContentController.LOGIN', 'Login') ."</a>"
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);
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}
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$viewPageIn = _t('ContentController.VIEWPAGEIN', 'View Page in:');
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return <<<HTML
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<div id="SilverStripeNavigator">
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<div class="holder">
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<div id="logInStatus">
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$logInMessage
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</div>
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<div id="switchView" class="bottomTabs">
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$viewPageIn
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$items
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</div>
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</div>
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</div>
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$message
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HTML;
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// On live sites we should still see the archived message
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} else {
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if($date = Versioned::current_archived_date()) {
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Requirements::css(CMS_DIR . '/css/SilverStripeNavigator.css');
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$dateObj = Datetime::create($date, null);
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// $dateObj->setVal($date);
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return "<div id=\"SilverStripeNavigatorMessage\">". _t('ContentController.ARCHIVEDSITEFROM') ."<br>" . $dateObj->Nice() . "</div>";
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}
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}
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}
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public function SiteConfig() {
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if(method_exists($this->dataRecord, 'getSiteConfig')) {
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return $this->dataRecord->getSiteConfig();
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} else {
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return SiteConfig::current_site_config();
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}
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}
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/**
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* Returns an RFC1766 compliant locale string, e.g. 'fr-CA'.
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* Inspects the associated {@link dataRecord} for a {@link SiteTree->Locale} value if present,
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* and falls back to {@link Translatable::get_current_locale()} or {@link i18n::default_locale()},
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* depending if Translatable is enabled.
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*
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* Suitable for insertion into lang= and xml:lang=
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* attributes in HTML or XHTML output.
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*
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* @return string
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*/
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public function ContentLocale() {
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if($this->dataRecord && $this->dataRecord->hasExtension('Translatable')) {
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$locale = $this->dataRecord->Locale;
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} elseif(class_exists('Translatable') && SiteTree::has_extension('Translatable')) {
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$locale = Translatable::get_current_locale();
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} else {
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$locale = i18n::get_locale();
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}
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return i18n::convert_rfc1766($locale);
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}
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/**
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* This action is called by the installation system
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*/
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public function successfullyinstalled() {
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// Return 410 Gone if this site is not actually a fresh installation
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if (!file_exists(BASE_PATH . '/install.php')) {
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$this->httpError(410);
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}
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// The manifest should be built by now, so it's safe to publish the 404 page
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$fourohfour = Versioned::get_one_by_stage('ErrorPage', 'Stage', '"ErrorPage"."ErrorCode" = 404');
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if($fourohfour) {
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$fourohfour->write();
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$fourohfour->publish("Stage", "Live");
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}
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// TODO Allow this to work when allow_url_fopen=0
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if(isset($_SESSION['StatsID']) && $_SESSION['StatsID']) {
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$url = 'http://ss2stat.silverstripe.com/Installation/installed?ID=' . $_SESSION['StatsID'];
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@file_get_contents($url);
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}
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global $project;
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$data = new ArrayData(array(
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'Project' => Convert::raw2xml($project),
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'Username' => Convert::raw2xml(Session::get('username')),
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'Password' => Convert::raw2xml(Session::get('password')),
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));
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return array(
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"Title" => _t("ContentController.INSTALL_SUCCESS", "Installation Successful!"),
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"Content" => $data->renderWith('Install_successfullyinstalled'),
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);
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}
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public function deleteinstallfiles() {
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if(!Permission::check("ADMIN")) return Security::permissionFailure($this);
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$title = new Varchar("Title");
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$content = new HTMLText('Content');
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// We can't delete index.php as it might be necessary for URL routing without mod_rewrite.
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// There's no safe way to detect usage of mod_rewrite across webservers,
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// so we have to assume the file is required.
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$installfiles = array(
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'install.php',
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'config-form.css',
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'config-form.html',
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'index.html'
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);
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$unsuccessful = new ArrayList();
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foreach($installfiles as $installfile) {
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if(file_exists(BASE_PATH . '/' . $installfile)) {
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@unlink(BASE_PATH . '/' . $installfile);
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}
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if(file_exists(BASE_PATH . '/' . $installfile)) {
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$unsuccessful->push(new ArrayData(array('File' => $installfile)));
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}
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}
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$data = new ArrayData(array(
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'Username' => Convert::raw2xml(Session::get('username')),
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'Password' => Convert::raw2xml(Session::get('password')),
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'UnsuccessfulFiles' => $unsuccessful
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));
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$content->setValue($data->renderWith('Install_deleteinstallfiles'));
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return array(
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"Title" => $title,
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"Content" => $content,
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);
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}
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}
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