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<?php |
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/** |
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* Copyright (C) 2016 SURFnet. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SURFnet\VPN\Server\GroupProvider; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\TransferException; |
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use SURFnet\VPN\Server\GroupProviderInterface; |
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use SURFnet\VPN\Common\Config; |
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class VootProvider implements GroupProviderInterface |
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{ |
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/** @var \SURFnet\VPN\Common\Config */ |
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private $config; |
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/** @var string */ |
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private $dataDir; |
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public function __construct(Config $config, $dataDir) |
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{ |
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$this->config = $config; |
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$this->dataDir = $dataDir; |
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} |
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/** |
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* Get the groups a user is a member of. |
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* |
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* @param string userId the userID of the user to request the groups of |
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* |
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* @return array the groups as an array containing the keys "id" and |
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* "displayName", empty array if no groups are available for this user |
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*/ |
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public function getGroups($userId) |
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{ |
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if (false === $bearerToken = @file_get_contents(sprintf('%s/users/voot_tokens/%s', $this->dataDir, $userId))) { |
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return []; |
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} |
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// fetch the groups and extract the membership data |
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return self::extractMembership( |
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$this->fetchGroups($bearerToken) |
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); |
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} |
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private function fetchGroups($bearerToken) |
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{ |
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$httpClient = new Client(); |
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try { |
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return $httpClient->get( |
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$this->config->v('apiUrl'), |
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[ |
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'headers' => [ |
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'Authorization' => sprintf('Bearer %s', $bearerToken), |
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], |
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] |
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)->json(); |
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} catch (TransferException $e) { |
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return []; |
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} |
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} |
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private static function extractMembership(array $responseData) |
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{ |
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$memberOf = []; |
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foreach ($responseData as $groupEntry) { |
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if (!is_array($groupEntry)) { |
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continue; |
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} |
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if (!array_key_exists('id', $groupEntry)) { |
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continue; |
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} |
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if (!is_string($groupEntry['id'])) { |
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continue; |
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} |
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$displayName = self::getDisplayName($groupEntry); |
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$memberOf[] = [ |
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'id' => $groupEntry['id'], |
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'displayName' => $displayName, |
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]; |
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} |
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return $memberOf; |
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} |
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private static function getDisplayName(array $groupEntry) |
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{ |
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if (!array_key_exists('displayName', $groupEntry)) { |
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return $groupEntry['id']; |
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} |
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if (is_string($groupEntry['displayName'])) { |
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return $groupEntry['displayName']; |
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} |
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if (is_array($groupEntry['displayName'])) { |
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if (array_key_exists('en', $groupEntry['displayName'])) { |
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return $groupEntry['displayName']['en']; |
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} |
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return array_values($groupEntry['displayName'])[0]; |
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} |
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return $groupEntry['id']; |
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} |
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} |
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eduVPN /
vpn-server-api
