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<?php |
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/** |
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* Copyright 2016 François Kooman <[email protected]>. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace fkooman\VPN\Server\Acl; |
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use fkooman\Config\Reader; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\TransferException; |
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use fkooman\VPN\Server\AclInterface; |
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use fkooman\VPN\Server\VootToken; |
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class VootAcl implements AclInterface |
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{ |
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/** @var \fkooman\Config\Reader */ |
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private $configReader; |
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/** @var \GuzzleHttp\Client */ |
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private $client; |
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public function __construct(Reader $configReader, Client $client = null) |
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{ |
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$this->configReader = $configReader; |
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if (is_null($client)) { |
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$client = new Client(); |
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} |
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$this->client = $client; |
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} |
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public function getGroups($userId) |
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{ |
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$tokenDir = $this->configReader->v('VootAcl', 'tokenDir'); |
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$apiUrl = $this->configReader->v('VootAcl', 'apiUrl'); |
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$vootToken = new VootToken($tokenDir); |
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$bearerToken = $vootToken->getVootToken($userId); |
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if (false === $bearerToken) { |
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// no Bearer token registered for this user, so assume user is not |
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// a member of any groups |
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return []; |
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} |
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// fetch the groups and extract the membership data |
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return self::extractMembership( |
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$this->fetchGroups($apiUrl, $bearerToken) |
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); |
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} |
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private function fetchGroups($apiUrl, $bearerToken) |
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{ |
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try { |
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return $this->client->get( |
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$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 = $groupEntry['id']; |
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// override displayName if one is set |
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if (array_key_exists('displayName', $groupEntry)) { |
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// check if it is multilanguage |
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if (is_string($groupEntry['displayName'])) { |
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$displayName = $groupEntry['displayName']; |
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} else { |
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// take english if available, otherwise first |
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if (array_key_exists('en', $groupEntry['displayName'])) { |
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$displayName = $groupEntry['displayName']['en']; |
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} else { |
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$displayName = array_values($groupEntry['displayName'])[0]; |
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} |
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} |
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} |
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$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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} |
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eduVPN /
vpn-server-api
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