129 lines
3.6 KiB
PHP
129 lines
3.6 KiB
PHP
<?php
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namespace BookStack\Access\Controllers;
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use BookStack\Access\Saml2Service;
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use BookStack\Http\Controller;
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use Illuminate\Http\Request;
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use Illuminate\Support\Str;
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class Saml2Controller extends Controller
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{
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public function __construct(
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protected Saml2Service $samlService
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) {
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$this->middleware('guard:saml2');
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}
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/**
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* Start the login flow via SAML2.
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*/
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public function login()
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{
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$loginDetails = $this->samlService->login();
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session()->flash('saml2_request_id', $loginDetails['id']);
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return redirect($loginDetails['url']);
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}
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/**
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* Start the logout flow via SAML2.
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*/
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public function logout()
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{
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$user = user();
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if ($user->isGuest()) {
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return redirect('/login');
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}
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$logoutDetails = $this->samlService->logout($user);
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if ($logoutDetails['id']) {
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session()->flash('saml2_logout_request_id', $logoutDetails['id']);
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}
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return redirect($logoutDetails['url']);
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}
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/*
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* Get the metadata for this SAML2 service provider.
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*/
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public function metadata()
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{
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$metaData = $this->samlService->metadata();
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return response()->make($metaData, 200, [
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'Content-Type' => 'text/xml',
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]);
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}
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/**
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* Single logout service.
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* Handle logout requests and responses.
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*/
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public function sls()
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{
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$requestId = session()->pull('saml2_logout_request_id', null);
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$redirect = $this->samlService->processSlsResponse($requestId);
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return redirect($redirect);
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}
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/**
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* Assertion Consumer Service start URL. Takes the SAMLResponse from the IDP.
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* Due to being an external POST request, we likely won't have context of the
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* current user session due to lax cookies. To work around this we store the
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* SAMLResponse data and redirect to the processAcs endpoint for the actual
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* processing of the request with proper context of the user session.
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*/
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public function startAcs(Request $request)
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{
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$samlResponse = $request->get('SAMLResponse', null);
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if (empty($samlResponse)) {
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$this->showErrorNotification(trans('errors.saml_fail_authed', ['system' => config('saml2.name')]));
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return redirect('/login');
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}
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$acsId = Str::random(16);
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$cacheKey = 'saml2_acs:' . $acsId;
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cache()->set($cacheKey, encrypt($samlResponse), 10);
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return redirect()->guest('/saml2/acs?id=' . $acsId);
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}
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/**
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* Assertion Consumer Service process endpoint.
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* Processes the SAML response from the IDP with context of the current session.
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* Takes the SAML request from the cache, added by the startAcs method above.
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*/
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public function processAcs(Request $request)
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{
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$acsId = $request->get('id', null);
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$cacheKey = 'saml2_acs:' . $acsId;
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$samlResponse = null;
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try {
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$samlResponse = decrypt(cache()->pull($cacheKey));
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} catch (\Exception $exception) {
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}
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$requestId = session()->pull('saml2_request_id', null);
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if (empty($acsId) || empty($samlResponse)) {
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$this->showErrorNotification(trans('errors.saml_fail_authed', ['system' => config('saml2.name')]));
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return redirect('/login');
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}
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$user = $this->samlService->processAcsResponse($requestId, $samlResponse);
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if (is_null($user)) {
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$this->showErrorNotification(trans('errors.saml_fail_authed', ['system' => config('saml2.name')]));
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return redirect('/login');
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}
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return redirect()->intended();
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}
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}
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