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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; |
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use PDO; |
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use PDOException; |
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/** |
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* Keep track of the used OTP keys so they cannot be replayed. |
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*/ |
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class OtpLog |
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{ |
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/** @var PDO */ |
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private $db; |
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public function __construct(PDO $db) |
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{ |
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); |
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$this->db = $db; |
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} |
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public function record($userId, $otpKey, $timeUnix) |
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{ |
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$stmt = $this->db->prepare( |
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'INSERT INTO otp_log ( |
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user_id, |
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otp_key, |
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time_unix |
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) |
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VALUES( |
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:user_id, |
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:otp_key, |
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:time_unix |
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)' |
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); |
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$stmt->bindValue(':user_id', $userId, PDO::PARAM_STR); |
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$stmt->bindValue(':otp_key', $otpKey, PDO::PARAM_STR); |
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$stmt->bindValue(':time_unix', $timeUnix, PDO::PARAM_INT); |
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try { |
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$stmt->execute(); |
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} catch (PDOException $e) { |
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return false; |
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} |
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return true; |
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} |
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public function housekeeping($timeUnix) |
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{ |
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$stmt = $this->db->prepare( |
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sprintf( |
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'DELETE FROM otp_log |
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WHERE time_unix < :time_unix' |
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) |
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); |
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$stmt->bindValue(':time_unix', $timeUnix, PDO::PARAM_INT); |
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$stmt->execute(); |
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} |
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public function init() |
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{ |
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$queryList = [ |
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'CREATE TABLE IF NOT EXISTS otp_log ( |
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user_id VARCHAR(255) NOT NULL, |
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otp_key VARCHAR(255) NOT NULL, |
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time_unix INTEGER NOT NULL, |
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UNIQUE(user_id, otp_key) |
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)', |
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]; |
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foreach ($queryList as $query) { |
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$this->db->query($query); |
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} |
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} |
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} |
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eduVPN /
vpn-server-api
