/**
* Overloaded to avoid "action doesn't exist" errors - all URL parts in this controller are virtual and handled through handleRequest(), not controller methods.
* @param {SS_HTTPRequest} $request
* @param {string} $action
* @return {SS_HTTPResponse}
*/
public function handleAction($request, $action)
{
// if we submitted a form, let that pass
if (!$request->isGET()) {
return parent::handleAction($request, $action);
}
$url = $request->getURL();
//If the current request has an extension attached to it, strip that off and redirect the user to the page without an extension.
if (DocumentationHelper::get_extension($url)) {
$request->shift();
$request->shift();
return $this->redirect(Director::absoluteURL(DocumentationHelper::trim_extension_off($url)) . '/', 301);
}
//Strip off the base url
$base = ltrim(Config::inst()->get('DocumentationViewer', 'link_base'), '/');
if ($base && strpos($url, $base) !== false) {
$url = substr(ltrim($url, '/'), strlen($base));
}
//Handle any permanent redirections that the developer has defined.
if ($link = DocumentationPermalinks::map($url)) {
$request->shift();
$request->shift();
//the first param is a shortcode for a page so redirect the user to the short code.
return $this->redirect($link, 301);
}
//Validate the language provided. Language is a required URL parameter. as we use it for generic interfaces and language selection.
//If language is not set, redirects to 'en'
$languages = i18n::get_common_languages();
if (!($lang = $request->param('Lang'))) {
$lang = $request->param('Action');
$action = $request->param('ID');
} else {
$action = $request->param('Action');
}
if (!$lang) {
return $this->redirect($this->Link('en'));
} else {
if (!isset($languages[$lang])) {
return $this->httpError(404);
}
}
$request->shift(10);
$allowed = $this->config()->allowed_actions;
if (in_array($action, $allowed)) {
//if it's one of the allowed actions such as search or all then the URL must be prefixed with one of the allowed languages.
return parent::handleAction($request, $action);
} else {
//look up the manifest to see find the nearest match against the list of the URL. If the URL exists then set that as the current page to match against. strip off any extensions.
if ($record = $this->getManifest()->getPage($url)) {
$this->record = $record;
return $this->getResponseNegotiator()->respond($request);
} else {
if ($redirect = $this->getManifest()->getRedirect($url)) {
$to = Controller::join_links(Director::baseURL(), $base, $redirect);
return $this->redirect($to, 301);
} else {
if (!$url || $url == $lang) {
return $this->getResponseNegotiator()->respond($request);
} else {
$url = explode('/', $url);
$url = implode('/', array_map(function ($a) {
return DocumentationHelper::clean_page_url($a);
}, $url));
if ($record = $this->getManifest()->getPage($url)) {
return $this->redirect($record->Link(), 301);
}
}
}
}
}
return $this->httpError(404);
}
