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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2022 ChannelWeb Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\WebTools\Identifier; |
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use ArrayObject; |
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use Authentication\Identifier\AbstractIdentifier; |
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use BEdita\SDK\BEditaClientException; |
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use BEdita\WebTools\ApiClientProvider; |
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use Cake\Core\Configure; |
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use Cake\Log\LogTrait; |
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use Cake\Utility\Hash; |
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/** |
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* Identifies authentication credentials through an OAuth2 external provider. |
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*/ |
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class OAuth2Identifier extends AbstractIdentifier |
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{ |
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use LogTrait; |
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protected $_defaultConfig = [ |
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'fields' => [ |
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'auth_provider' => 'auth_provider', |
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'provider_username' => 'provider_username', |
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'access_token' => 'access_token', |
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'provider_userdata' => 'provider_userdata', |
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], |
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'autoSignup' => false, |
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'signupRoles' => [], |
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]; |
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/** |
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* @inheritDoc |
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*/ |
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public function identify(array $credentials) |
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{ |
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try { |
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$result = $this->externalAuth($credentials); |
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} catch (BEditaClientException $ex) { |
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$this->log($ex->getMessage(), 'debug'); |
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if (!$this->getConfig('autoSignup') || $ex->getCode() !== 401) { |
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return null; |
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} |
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return $this->signup($credentials); |
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} |
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return $result; |
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} |
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/** |
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* Perform external login via `/auth`. |
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* |
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* @param array $credentials Identifier credentials |
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* @return \ArrayObject |
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*/ |
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protected function externalAuth(array $credentials): ArrayObject |
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{ |
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$apiClient = ApiClientProvider::getApiClient(); |
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$result = $apiClient->post('/auth', json_encode($credentials), ['Content-Type' => 'application/json']); |
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$tokens = $result['meta']; |
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$result = $apiClient->get('/auth/user', null, ['Authorization' => sprintf('Bearer %s', $tokens['jwt'])]); |
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return new ArrayObject($result['data'] |
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+ compact('tokens') |
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+ Hash::combine($result, 'included.{n}.attributes.name', 'included.{n}.id', 'included.{n}.type')); |
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} |
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/** |
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* Perform OAuth2 signup and login after signup. |
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* |
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* @param array $credentials Identifier credentials |
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* @return \ArrayObject|null; |
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*/ |
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protected function signup(array $credentials): ?ArrayObject |
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{ |
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$data = $this->signupData($credentials); |
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try { |
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$apiClient = ApiClientProvider::getApiClient(); |
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$apiClient->setupTokens([]); |
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$apiClient->post('/signup', json_encode($data), ['Content-Type' => 'application/json']); |
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// login after signup |
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$user = $this->externalAuth($credentials); |
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} catch (BEditaClientException $ex) { |
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$this->log($ex->getMessage(), 'warning'); |
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$this->log(json_encode($ex->getAttributes()), 'warning'); |
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return null; |
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} |
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return $user; |
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} |
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/** |
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* Signup data from OAuth2 provider user data. |
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* |
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* @param array $credentials Identifier credentials |
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* @return array |
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*/ |
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protected function signupData(array $credentials): array |
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{ |
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$user = (array)Configure::read(sprintf('OAuth2Providers.%s.map', $credentials['auth_provider'])); |
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foreach ($user as $key => $value) { |
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$user[$key] = Hash::get($credentials, sprintf('provider_userdata.%s', $value)); |
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} |
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$roles = (array)$this->getConfig('signupRoles'); |
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return array_filter($user + $credentials + compact('roles')); |
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} |
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} |
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bedita /
web-tools
