mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
4ae8c85d46
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41779 467b73ca-7a2a-4603-9d3b-597d59a354a9
456 lines
14 KiB
PHP
456 lines
14 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Base controller class.
|
|
* Controllers are the cornerstone of all site functionality in Sapphire. The {@link Director}
|
|
* selects a controller to pass control to, and then calls {@link run()}. This method will execute
|
|
* the appropriate action - either by calling the action method, or displaying the action's template.
|
|
*
|
|
* See {@link getTemplate()} for information on how the template is chosen.
|
|
*/
|
|
class Controller extends ViewableData {
|
|
|
|
protected $urlParams;
|
|
|
|
protected $requestParams;
|
|
|
|
protected $action;
|
|
|
|
/**
|
|
* The {@link Session} object for this controller
|
|
*/
|
|
protected $session;
|
|
|
|
/**
|
|
* Stack of current controllers.
|
|
* Controller::$controller_stack[0] is the current controller.
|
|
*/
|
|
protected static $controller_stack = array();
|
|
|
|
protected $basicAuthEnabled = true;
|
|
|
|
/**
|
|
* The HTTPResponse object that the controller returns
|
|
*/
|
|
protected $response;
|
|
|
|
function setURLParams($urlParams) {
|
|
$this->urlParams = $urlParams;
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
function getURLParams() {
|
|
return $this->urlParams;
|
|
}
|
|
|
|
/**
|
|
* Execute the appropriate action handler. If none is given, use defaultAction to display
|
|
* a template. The default action will be appropriate in most cases where displaying data
|
|
* is the core goal; the Viewer can call methods on the controller to get the data it needs.
|
|
*
|
|
* @param array $urlParams named parameters extracted from the URL, including Action.
|
|
* @param array $requestParams GET and POST variables.
|
|
* @return HTTPResponse The response that this controller produces, including HTTP headers such as redirection info
|
|
*/
|
|
protected $baseInitCalled = false;
|
|
function run($requestParams) {
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("Controller", "run");
|
|
$this->pushCurrent();
|
|
|
|
$this->response = new HTTPResponse();
|
|
$this->requestParams = $requestParams;
|
|
|
|
$this->action = isset($this->urlParams['Action']) ? str_replace("-","_",$this->urlParams['Action']) : "index";
|
|
|
|
// Init
|
|
$this->baseInitCalled = false;
|
|
$this->init();
|
|
if(!$this->baseInitCalled) user_error("init() method on class '$this->class' doesn't call Controller::init(). Make sure that you have parent::init() included.", E_USER_WARNING);
|
|
|
|
// If we had a redirection or something, halt processing.
|
|
if($this->response->isFinished()) {
|
|
$this->popCurrent();
|
|
return $this->response;
|
|
}
|
|
|
|
// Look at the action variables for forms
|
|
$funcName = null;
|
|
foreach($this->requestParams as $paramName => $paramVal) {
|
|
if(substr($paramName,0,7) == 'action_') {
|
|
// Cleanup action_, _x and _y from image fields
|
|
$funcName = preg_replace(array('/^action_/','/_x$|_y$/'),'',$paramName);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Form handler
|
|
if(isset($this->requestParams['executeForm']) && is_string($this->requestParams['executeForm'])) {
|
|
if(isset($funcName)) {
|
|
Form::set_current_action($funcName);
|
|
}
|
|
|
|
// Get the appropraite ocntroller: sometimes we want to get a form from another controller
|
|
if(isset($this->requestParams['formController'])) {
|
|
$formController = Director::getControllerForURL($this->requestParams['formController']);
|
|
|
|
while(is_a($formController, 'NestedController')) {
|
|
$formController = $formController->getNestedController();
|
|
}
|
|
|
|
} else {
|
|
$formController = $this;
|
|
}
|
|
|
|
// Create the form object
|
|
$form = $formController;
|
|
|
|
$formObjParts = explode('.', $this->requestParams['executeForm']);
|
|
foreach($formObjParts as $formMethod){
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("Calling $formMethod", "on $form->class");
|
|
$form = $form->$formMethod();
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("Calling $formMethod", "on $form->class");
|
|
if(!$form) break; //user_error("Form method '" . $this->requestParams['executeForm'] . "' returns null in controller class '$this->class' ($_SERVER[REQUEST_URI])", E_USER_ERROR);
|
|
}
|
|
|
|
|
|
// Populate the form
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("Controller", "populate form");
|
|
if($form){
|
|
$form->loadDataFrom($this->requestParams, true);
|
|
// disregard validation if a single field is called
|
|
|
|
|
|
if(!isset($_REQUEST['action_callfieldmethod'])) {
|
|
$valid = $form->beforeProcessing();
|
|
if(!$valid) {
|
|
$this->popCurrent();
|
|
return $this->response;
|
|
}
|
|
}else{
|
|
$fieldcaller = $form->dataFieldByName($requestParams['fieldName']);
|
|
if(is_a($fieldcaller, "TableListField")){
|
|
if($fieldcaller->hasMethod('php')){
|
|
$valid = $fieldcaller->php($requestParams);
|
|
if(!$valid) exit();
|
|
}
|
|
}
|
|
}
|
|
|
|
// If the action wasnt' set, choose the default on the form.
|
|
if(!isset($funcName) && $defaultAction = $form->defaultAction()){
|
|
$funcName = $defaultAction->actionName();
|
|
}
|
|
|
|
if(isset($funcName)) {
|
|
$form->setButtonClicked($funcName);
|
|
}
|
|
|
|
}else{
|
|
user_error("No form (" . Session::get('CMSMain.currentPage') . ") returned by $formController->class->$_REQUEST[executeForm]", E_USER_WARNING);
|
|
}
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("Controller", "populate form");
|
|
|
|
if(!isset($funcName)) {
|
|
user_error("No action button has been clicked in this form executon, and no default has been allowed", E_USER_ERROR);
|
|
}
|
|
|
|
|
|
// First, try a handler method on the controller
|
|
if($this->hasMethod($funcName) || !$form) {
|
|
if(isset($_GET['debug_controller'])){
|
|
Debug::show("Found function $funcName on the controller");
|
|
}
|
|
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("$this->class::$funcName (controller action)");
|
|
$result = $this->$funcName($this->requestParams, $form);
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("$this->class::$funcName (controller action)");
|
|
|
|
// Otherwise, try a handler method on the form object
|
|
} else {
|
|
if(isset($_GET['debug_controller'])) {
|
|
Debug::show("Found function $funcName on the form object");
|
|
}
|
|
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("$form->class::$funcName (form action)");
|
|
$result = $form->$funcName($this->requestParams, $form);
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("$form->class::$funcName (form action)");
|
|
}
|
|
|
|
// Normal action
|
|
} else {
|
|
if(!isset($funcName)) $funcName = $this->action;
|
|
|
|
if($this->hasMethod($funcName)) {
|
|
if(isset($_GET['debug_controller'])) Debug::show("Found function $funcName on the $this->class controller");
|
|
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("$this->class::$funcName (controller action)");
|
|
|
|
$result = $this->$funcName($this->urlParams);
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("$this->class::$funcName (controller action)");
|
|
|
|
} else {
|
|
if(isset($_GET['debug_controller'])) Debug::show("Running default action for $funcName on the $this->class controller" );
|
|
if(isset($_GET['debug_profile'])) Profiler::mark("Controller::defaultAction($funcName)");
|
|
$result = $this->defaultAction($funcName, $this->urlParams);
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("Controller::defaultAction($funcName)");
|
|
}
|
|
}
|
|
|
|
// If your controller function returns an array, then add that data to the
|
|
// default template
|
|
|
|
if(is_array($result)) {
|
|
$extended = $this->customise($result);
|
|
$viewer = $this->getViewer($funcName);
|
|
|
|
$result = $viewer->process($extended);
|
|
}
|
|
|
|
$this->response->setBody($result);
|
|
|
|
if($result) ContentNegotiator::process($this->response);
|
|
|
|
// Set up HTTP cache headers
|
|
HTTP::add_cache_headers($this->response);
|
|
|
|
if(isset($_GET['debug_profile'])) Profiler::unmark("Controller", "run");
|
|
|
|
$this->popCurrent();
|
|
return $this->response;
|
|
}
|
|
|
|
function defaultAction($action) {
|
|
return $this->getViewer($action)->process($this);
|
|
}
|
|
|
|
function getAction() {
|
|
return $this->action;
|
|
}
|
|
|
|
/**
|
|
* Return an SSViewer object to process the data
|
|
* @return SSViewer The viewer identified being the default handler for this Controller/Action combination
|
|
*/
|
|
function getViewer($action) {
|
|
// Hard-coded templates
|
|
if($this->templates[$action]) {
|
|
$templates = $this->templates[$action];
|
|
} else if($this->templates['index']) {
|
|
$templates = $this->templates['index'];
|
|
} else if($this->template) {
|
|
$templates = $this->template;
|
|
} else {
|
|
$parentClass = $this->class;
|
|
while($parentClass != "Controller") {
|
|
$templateName = $parentClass;
|
|
if(($pos = strpos($templateName,'_')) !== false) $templateName = substr($templateName, 0, $pos);
|
|
|
|
if($action && $action != "index") $templates[] = $templateName . '_' . $action;
|
|
$templates[] = $templateName;
|
|
|
|
$parentClass = get_parent_class($parentClass);
|
|
}
|
|
$templates = array_unique($templates);
|
|
}
|
|
if(isset($_GET['showtemplate'])) Debug::show($templates);
|
|
return new SSViewer($templates);
|
|
}
|
|
|
|
/**
|
|
* Call this to disable basic authentication on test sites
|
|
* must be called in the init() method
|
|
*/
|
|
function disableBasicAuth() {
|
|
$this->basicAuthEnabled = false;
|
|
}
|
|
|
|
/**
|
|
* Initialisation function that is run before any action on the controller is called.
|
|
*/
|
|
function init() {
|
|
// Test and development sites should be secured, via basic-auth
|
|
if(ClassInfo::ready() && ClassInfo::hasTable("Member") && Director::isTest() && $this->basicAuthEnabled) {
|
|
BasicAuth::requireLogin("SilverStripe test website. Use your CMS login", "ADMIN");
|
|
}
|
|
|
|
//
|
|
Cookie::set("PastVisitor", true);
|
|
|
|
// ClassInfo::ready() called to ensure that we're not in a very-first-setup stage
|
|
if(ClassInfo::ready() && ClassInfo::hasTable("Member") && ($member = Member::currentUser())) {
|
|
Cookie::set("PastMember", true);
|
|
DB::query("UPDATE Member SET LastVisited = NOW() WHERE ID = $member->ID", null);
|
|
}
|
|
|
|
// This is used to test that subordinate controllers are actually calling parent::init() - a common bug
|
|
$this->baseInitCalled = true;
|
|
}
|
|
|
|
/**
|
|
* Deprecated - use Controller::curr() instead
|
|
* @returns Controller
|
|
*/
|
|
public static function currentController() {
|
|
return self::curr();
|
|
}
|
|
|
|
/**
|
|
* Returns the current controller
|
|
* @returns Controller
|
|
*/
|
|
public static function curr() {
|
|
if(Controller::$controller_stack) {
|
|
return Controller::$controller_stack[0];
|
|
} else {
|
|
user_error("No current controller available", E_USER_WARNING);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests whether we have a currently active controller or not
|
|
* @return boolean True if there is at least 1 controller in the stack.
|
|
*/
|
|
public static function has_curr() {
|
|
return Controller::$controller_stack ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the member is allowed to do the given action.
|
|
* @param perm The permission to be checked, such as 'View'.
|
|
* @param member The member whose permissions need checking. Defaults to the currently logged
|
|
* in user.
|
|
* @return boolean
|
|
*/
|
|
function can($perm, $member = null) {
|
|
if(!$member) $member = Member::currentUser();
|
|
if($this->hasMethod($methodName = 'can' . $perm)) {
|
|
return $this->$methodName($member);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* returns a date object for use within a template
|
|
* Usage: $Now.Year - Returns 2006
|
|
* @return Date The current date
|
|
*/
|
|
function Now() {
|
|
$d = new Date(null);
|
|
$d->setVal(date("Y-m-d h:i:s"));
|
|
return $d;
|
|
}
|
|
|
|
/**
|
|
* Returns a link to any other page
|
|
*/
|
|
function LinkTo($a, $b) {
|
|
return Director::baseURL() . $a . '/' . $b;
|
|
}
|
|
|
|
function AbsoluteLink() {
|
|
return Director::absoluteURL($this->Link());
|
|
}
|
|
|
|
/**
|
|
* Returns the currently logged in user
|
|
*/
|
|
function CurrentMember() {
|
|
return Member::currentUser();
|
|
}
|
|
|
|
/**
|
|
* Returns true if the visitor has been here before
|
|
* @return boolean
|
|
*/
|
|
function PastVisitor() {
|
|
return Cookie::get("PastVisitor") ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Return true if the visitor has signed up for a login account before
|
|
* @return boolean
|
|
*/
|
|
function PastMember() {
|
|
return Cookie::get("PastMember") ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Pushes this controller onto the stack of current controllers.
|
|
* This means that any redirection, session setting, or other things that rely on Controller::curr() will now write to this
|
|
* controller object.
|
|
*/
|
|
function pushCurrent() {
|
|
array_unshift(self::$controller_stack, $this);
|
|
// Create a new session object
|
|
if(!$this->session) {
|
|
if(self::$controller_stack[1]) $this->session = self::$controller_stack[1]->getSession();
|
|
else $this->session = new Session(null);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Pop this controller off the top of the stack.
|
|
*/
|
|
function popCurrent() {
|
|
if($this === self::$controller_stack[0]) {
|
|
array_shift(self::$controller_stack);
|
|
} else {
|
|
user_error("popCurrent called on $this->class controller, but it wasn't at the top of the stack", E_USER_WARNING);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle redirection
|
|
*/
|
|
function redirect($url) {
|
|
// Attach site-root to relative links, if they have a slash in them
|
|
if($url == "" || $url[0] == '?' || (substr($url,0,4) != "http" && $url[0] != "/" && strpos($url,'/') !== false)){
|
|
$url = Director::baseURL() . $url;
|
|
}
|
|
|
|
$this->response->redirect($url);
|
|
}
|
|
|
|
/**
|
|
* Tests whether a redirection has been requested.
|
|
* @return string If redirect() has been called, it will return the URL redirected to. Otherwise, it will return null;
|
|
*/
|
|
function redirectedTo() {
|
|
return $this->response->getHeader('Location');
|
|
}
|
|
|
|
/**
|
|
* Get the Session object representing this Controller's session
|
|
* @return Session
|
|
*/
|
|
function getSession() {
|
|
return $this->session;
|
|
}
|
|
|
|
/**
|
|
* Set the Session object.
|
|
*/
|
|
function setSession(Session $session) {
|
|
$this->session = $session;
|
|
}
|
|
|
|
/**
|
|
* Returns true if this controller is processing an ajax request
|
|
* @return boolean True if this controller is processing an ajax request
|
|
*/
|
|
function isAjax() {
|
|
return (
|
|
isset($this->requestParams['ajax']) ||
|
|
(isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == "XMLHttpRequest")
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
?>
|