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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Created by PhpStorm.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * User: Alexandre  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Date: 10/03/2018  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Time: 15:55  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OAuth2;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ClientAuthentication\ClientAuthenticationMethodManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ClientAuthentication\ClientSecretBasicAuthenticationMethod;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ClientAuthentication\ClientSecretPostAuthenticationMethod;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Endpoints\AuthorizationEndpoint;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Endpoints\TokenEndpoint;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Flows\AuthorizationCodeFlow;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Flows\ClientCredentialsFlow;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Flows\FlowManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Flows\ImplicitFlow;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Flows\ResourceOwnerPasswordCredentialsFlow;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\GrantTypes\GrantTypeManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\GrantTypes\RefreshTokenGrantType;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ResponseModes\FragmentResponseMode;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ResponseModes\QueryResponseMode;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ResponseModes\ResponseModeManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ResponseTypes\ResponseTypeManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Roles\ResourceOwnerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\ScopePolicy\ScopePolicyManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OAuth2\Storages\StorageManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Server  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $authorizationEndpoint;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $tokenEndpoint;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function __construct(Config $config,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                                StorageManager $storageManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                                ResourceOwnerInterface $resourceOwner)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $responseTypeManager = new ResponseTypeManager();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $scopePolicyManager = new ScopePolicyManager($config);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $grantTypeManager = new GrantTypeManager();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $clientAuthenticationMethodManager = new ClientAuthenticationMethodManager($storageManager->getClientStorage());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $clientAuthenticationMethodManager->addClientAuthenticationMethod('client_secret_basic', | 
            
            
                                                                        
                            
            
                                    
            
            
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                            new ClientSecretBasicAuthenticationMethod($storageManager->getClientStorage()));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $clientAuthenticationMethodManager->addClientAuthenticationMethod('client_secret_post', | 
            
            
                                                                        
                            
            
                                    
            
            
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                            new ClientSecretPostAuthenticationMethod($storageManager->getClientStorage()));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $responseModeManager = new ResponseModeManager();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $responseModeManager->addResponseMode('query', new QueryResponseMode()); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $responseModeManager->addResponseMode('fragment', new FragmentResponseMode()); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // response_type : code  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // grant_type : authorization_code  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $authorizationCodeFlow = new AuthorizationCodeFlow(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getAuthorizationCodeStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getAccessTokenStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getRefreshTokenStorage()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // response_type : token  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $implicitFlow = new ImplicitFlow($storageManager->getAccessTokenStorage());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // grant_type : password  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $resourceOwnerPasswordCredentialsFlow = new ResourceOwnerPasswordCredentialsFlow(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $scopePolicyManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getResourceOwnerStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getAccessTokenStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getRefreshTokenStorage());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // grant_type : client_credentials  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $clientCredentialsFlow = new ClientCredentialsFlow(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $scopePolicyManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getAccessTokenStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getRefreshTokenStorage()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // grant_type : refresh_token  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $refreshTokenGrantType = new RefreshTokenGrantType(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getAccessTokenStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getRefreshTokenStorage());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $flowManager = new FlowManager($responseTypeManager, $grantTypeManager);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $flowManager->addFlow($authorizationCodeFlow);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $flowManager->addFlow($implicitFlow);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $flowManager->addFlow($resourceOwnerPasswordCredentialsFlow);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $flowManager->addFlow($clientCredentialsFlow);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $grantTypeManager->addGrantType('refresh_token', $refreshTokenGrantType); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->authorizationEndpoint = new AuthorizationEndpoint(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $responseTypeManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $responseModeManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $scopePolicyManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $resourceOwner,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getClientStorage());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->tokenEndpoint = new TokenEndpoint(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $storageManager->getClientStorage(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $grantTypeManager,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $clientAuthenticationMethodManager);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return AuthorizationEndpoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getAuthorizationEndpoint(): AuthorizationEndpoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->authorizationEndpoint;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TokenEndpoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getTokenEndpoint(): TokenEndpoint  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->tokenEndpoint;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @see https://tools.ietf.org/html/rfc6749#section-3.1.2.1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  Endpoint Request Confidentiality  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *     The redirection endpoint SHOULD require the use of TLS as described  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * in Section 1.6 when the requested response type is "code" or "token",  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * or when the redirection request will result in the transmission of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * sensitive credentials over an open network.  This specification does  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * not mandate the use of TLS because at the time of this writing,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * requiring clients to deploy TLS is a significant hurdle for many  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * client developers.  If TLS is not available, the authorization server  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                     * SHOULD warn the resource owner about the insecure endpoint prior to  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                             4                          | 
                
                 | 
                     * redirection (e.g., display a message during the authorization  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                     * request).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                     * Lack of transport-layer security can have a severe impact on the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                     * security of the client and the protected resources it is authorized  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                     * to access.  The use of transport-layer security is particularly  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                             4                          | 
                
                 | 
                     * critical when the authorization process is used as a form of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                     * delegated end-user authentication by the client (e.g., third-party  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                             4                          | 
                
                 | 
                     * sign-in service).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                    public function isSecure()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                        return isset($_SERVER['HTTPS']) && ('on' == strtolower($_SERVER['HTTPS']) || 1 == $_SERVER['HTTPS']); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                }  |