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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\Api; |
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use SURFnet\VPN\Common\Config; |
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use SURFnet\VPN\Common\ProfileConfig; |
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use SURFnet\VPN\Common\Http\ServiceModuleInterface; |
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use SURFnet\VPN\Common\Http\Service; |
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use SURFnet\VPN\Common\Http\ApiResponse; |
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use SURFnet\VPN\Common\Http\Request; |
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class ConnectionsModule implements ServiceModuleInterface |
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{ |
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/** @var \SURFnet\VPN\Common\Config */ |
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private $config; |
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/** @var Users */ |
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private $users; |
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/** @var CommonNames */ |
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private $commonNames; |
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/** @var ConnectionLog */ |
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private $connectionLog; |
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/** @var array */ |
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private $groupProviders; |
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public function __construct(Config $config, Users $users, CommonNames $commonNames, ConnectionLog $connectionLog, array $groupProviders) |
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{ |
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$this->config = $config; |
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$this->users = $users; |
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$this->commonNames = $commonNames; |
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$this->connectionLog = $connectionLog; |
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$this->groupProviders = $groupProviders; |
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} |
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public function init(Service $service) |
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{ |
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$service->post( |
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'/connect', |
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function (Request $request, array $hookData) { |
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Utils::requireUser($hookData, ['vpn-server-node']); |
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$profileId = $request->getPostParameter('profile_id'); |
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InputValidation::profileId($profileId); |
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$commonName = $request->getPostParameter('common_name'); |
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InputValidation::commonName($commonName); |
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$ip = $request->getPostParameter('ip'); |
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InputValidation::ip4($ip); |
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$ip6 = $request->getPostParameter('ip6'); |
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InputValidation::ip6($ip6); |
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$connectedAt = $request->getPostParameter('connected_at'); |
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InputValidation::connectedAt($connectedAt); |
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$userId = self::getUserId($commonName); |
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// check if user is disabled |
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if (true === $this->users->isDisabled($userId)) { |
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return false; |
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} |
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// check if the common_name is disabled |
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if (true === $this->commonNames->isDisabled($commonName)) { |
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return false; |
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} |
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// if the ACL is enabled, verify that the user is allowed to |
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// connect |
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$profileConfig = new ProfileConfig($this->config->v('vpnProfiles', $profileId)); |
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if ($profileConfig->v('enableAcl')) { |
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$userGroups = []; |
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foreach ($this->groupProviders as $groupProvider) { |
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$userGroups = array_merge($userGroups, $groupProvider->getGroups($userId)); |
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} |
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if (false === self::isMember($userGroups, $profileConfig->v('aclGroupList'))) { |
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return false; |
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} |
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} |
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$responseData = $this->connectionLog->connect($profileId, $commonName, $ip, $ip6, $connectedAt); |
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return new ApiResponse('connect', $responseData); |
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} |
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); |
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$service->post( |
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'/disconnect', |
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function (Request $request, array $hookData) { |
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Utils::requireUser($hookData, ['vpn-server-node']); |
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$profileId = $request->getPostParameter('profile_id'); |
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InputValidation::profileId($profileId); |
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$commonName = $request->getPostParameter('common_name'); |
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InputValidation::commonName($commonName); |
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$ip = $request->getPostParameter('ip'); |
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InputValidation::ip4($ip); |
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$ip6 = $request->getPostParameter('ip6'); |
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InputValidation::ip6($ip6); |
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$connectedAt = $request->getPostParameter('connected_at'); |
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InputValidation::connectedAt($connectedAt); |
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$disconnectedAt = $request->getPostParameter('disconnected_at'); |
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InputValidation::disconnectedAt($disconnectedAt); |
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$bytesTransferred = $request->getPostParameter('bytes_transferred'); |
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InputValidation::bytesTransferred($bytesTransferred); |
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$responseData = $this->connectionLog->disconnect($profileId, $commonName, $ip, $ip6, $connectedAt, $disconnectedAt, $bytesTransferred); |
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return new ApiResponse('disconnect', $responseData); |
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} |
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); |
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} |
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private static function getUserId($commonName) |
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{ |
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// XXX do not repeat this everywhere |
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// return the part before the first underscore, it is already validated |
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// so we can be sure this is fine |
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return substr($commonName, 0, strpos($commonName, '_')); |
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} |
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private static function isMember(array $memberOf, array $aclGroupList) |
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{ |
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// one of the groups must be listed in the profile ACL list |
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foreach ($memberOf as $memberGroup) { |
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if (in_array($memberGroup['id'], $aclGroupList)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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eduVPN /
vpn-server-api
