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<?php |
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namespace Metaclassing\EnterpriseAuth\Controllers; |
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use Illuminate\Routing\Controller; |
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class WebAuthController extends AuthController |
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{ |
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// Route to save unauthenticated users original page request and redirect to oauth provider redirect |
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public function loginOrRegister(\Illuminate\Http\Request $request) |
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{ |
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// This is what gets called after a user is redirected to /login by the framework |
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$lastPage = $request->session()->get('url.intended'); |
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\Illuminate\Support\Facades\Log::info('AUTH loginOrRegister with request url '.$lastPage); |
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// Make sure they are not going to end up in a redirect loop with the login route |
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if ($lastPage && $lastPage != route('login')) { |
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$request->session()->put('oauthIntendedUrl', $lastPage); |
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} |
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return redirect()->guest(config('enterpriseauth.routes.login')); |
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} |
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// Route to clear the session and redirect to oauth signout handler |
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public function logout(\Illuminate\Http\Request $request) |
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{ |
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auth()->logout(); |
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return redirect(config('enterpriseauth.routes.logout')); |
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} |
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// Route to redirect to oauth idp end-session endpoint |
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public function logoutFromOauthProvider(\Illuminate\Http\Request $request) |
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{ |
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$endSessionEndpoint = $this->azureActiveDirectory->endSessionEndpoint; |
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return redirect($endSessionEndpoint); |
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} |
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// Route called to redirect administrative users to provide consent to access aad |
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public function redirectToOauthAdminConsent(\Illuminate\Http\Request $request) |
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{ |
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$url = $this->azureActiveDirectory->buildAdminConsentUrl(config('enterpriseauth.credentials.client_id'), |
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config('enterpriseauth.credentials.callback_url')); |
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//return new \Illuminate\Http\RedirectResponse($url); |
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return redirect($url); |
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} |
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// Route called to redirect unauthenticated users to oauth identity provider |
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public function redirectToOauthProvider(\Illuminate\Http\Request $request) |
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{ |
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$url = $this->buildAuthUrl(); |
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//return new \Illuminate\Http\RedirectResponse($url); |
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return redirect($url); |
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} |
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// Helper to build redirect url from azure AD tenant |
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public function buildAuthUrl() |
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{ |
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$url = $this->azureActiveDirectory->authorizationEndpoint |
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.'?' |
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.$this->buildAuthUrlQueryString(); |
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return $url; |
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} |
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// helper to build query string for oauth provider |
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public function buildAuthUrlQueryString() |
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{ |
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$fields = [ |
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'client_id' => config('enterpriseauth.credentials.client_id'), |
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'redirect_uri' => config('enterpriseauth.credentials.callback_url'), |
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'scope' => 'https://graph.microsoft.com/.default', |
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'response_type' => 'code', |
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]; |
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return http_build_query($fields); |
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} |
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// Route to handle response back from our oauth provider |
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public function handleOauthResponse(\Illuminate\Http\Request $request) |
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{ |
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// Handle user authentication responses |
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if ($request->input('code')) { |
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return $this->handleOauthLoginResponse($request); |
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} |
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if ($request->input('admin_consent')) { |
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return 'Thank you'; |
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} |
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throw new \Exception('Unhandled oauth response'); |
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} |
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public function handleOauthLoginResponse(\Illuminate\Http\Request $request) |
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{ |
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// Turn coke into pepsi |
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$accessToken = $this->getAccessTokenFromCode($request->input('code')); |
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// Get the associated laravel \App\User object |
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$user = $this->validateOauthCreateOrUpdateUserAndGroups($accessToken); |
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// Authenticate the users session |
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auth()->login($user, true); |
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// Check to see if there is an intended destination url saved |
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$destination = $request->session() |
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->get('oauthIntendedUrl'); |
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// If there is no intended destination url, use the default |
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if (! $destination) { |
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$destination = config('enterpriseauth.redirect_on_login'); |
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} |
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\Illuminate\Support\Facades\Log::info('AUTH success USER ID '.$user->id.' with redirect url '.$destination); |
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return redirect($destination); |
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} |
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// Turn coke into pepsi: Take the authorization code and turn it into an access token for graph api |
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public function getAccessTokenFromCode($code) |
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{ |
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$guzzle = new \GuzzleHttp\Client(); |
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$url = $this->azureActiveDirectory->tokenEndpoint; |
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$parameters = [ |
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'headers' => [ |
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'Accept' => 'application/json', |
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], |
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'form_params' => [ |
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'code' => $code, |
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'scope' => 'https://graph.microsoft.com/.default', |
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'client_id' => config('enterpriseauth.credentials.client_id'), |
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'client_secret' => config('enterpriseauth.credentials.client_secret'), |
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'redirect_uri' => config('enterpriseauth.credentials.callback_url'), |
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'grant_type' => 'authorization_code', |
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], |
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]; |
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$response = $guzzle->post($url, $parameters); |
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$responseObject = json_decode($response->getBody()); |
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$accessToken = $responseObject->access_token; |
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return $accessToken; |
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} |
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} |
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metaclassing /
PHP7-Laravel5-EnterpriseAuth
