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Added Director::redirected_to / Controller::redirectedTo() for redirection-detection

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41093 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2007-08-31 00:26:41 +00:00
parent 83020ccc03
commit c0660c147b
3 changed files with 24 additions and 4 deletions
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8
core/control/Controller.php
View File

@ -414,6 +414,14 @@ class Controller extends ViewableData {
$this->response->redirect($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

14
core/control/Director.php
View File

@ -188,14 +188,22 @@ class Director {
/**
* Redirect to another page.
* - $url can be an absolute URL
* - or it can be a URL relative to the "site base"
* - if it is just a word without an slashes, then it redirects to another action on the current controller.
* - $url can be an absolute URL
* - or it can be a URL relative to the "site base"
* - if it is just a word without an slashes, then it redirects to another action on the current controller.
*/
static function redirect($url) {
Controller::curr()->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;
*/
static function redirected_to() {
Controller::curr()->redirectedTo();
}
/**
* Uses either the HTTP_REFERER or a manually set request-variable called _REDIRECT_BACK_URL.
* This variable is needed in scenarios where not HTTP-Referer is sent (e.g when calling a page

6
core/control/HTTPResponse.php
View File

@ -73,7 +73,11 @@ class HTTPResponse extends Object {
* @returns string
*/
function getHeader($header) {
return $this->headers[$header];
if(isset($this->headers[$header])) {
return $this->headers[$header];
} else {
return null;
}
}
function redirect($dest) {