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<?php |
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/** |
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* Copyright 2015 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; |
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use RuntimeException; |
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class Utils |
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{ |
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public static function exec($cmd, $throwExceptionOnFailure = true) |
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{ |
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exec($cmd, $output, $returnValue); |
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if (0 !== $returnValue) { |
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if ($throwExceptionOnFailure) { |
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throw new RuntimeException( |
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sprintf('command "%s" did not complete successfully (%d)', $cmd, $returnValue) |
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); |
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} |
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} |
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} |
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public static function writeTempConfig($tmpConfig, array $configFileData) |
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{ |
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if (false === @file_put_contents($tmpConfig, implode(PHP_EOL, $configFileData))) { |
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throw new RuntimeException('unable to write temporary config file'); |
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} |
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} |
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/** |
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* @param string $configData the current OpenVPN configuration file with |
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* keys and certificates |
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* |
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* @return array the extracted keys and certificates |
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*/ |
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public static function extractCertificates($configData) |
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{ |
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$serverConfig = []; |
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foreach (array('cert', 'ca', 'key', 'tls-auth', 'dh') as $inlineType) { |
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$pattern = sprintf('/\<%s\>(.*)\<\/%s\>/msU', $inlineType, $inlineType); |
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if (1 !== preg_match($pattern, $configData, $matches)) { |
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throw new DomainException('inline type not found'); |
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} |
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$serverConfig[$inlineType] = trim($matches[1]); |
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} |
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$parsedCert = openssl_x509_parse($serverConfig['cert']); |
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$serverConfig['valid_from'] = $parsedCert['validFrom_time_t']; |
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$serverConfig['valid_to'] = $parsedCert['validTo_time_t']; |
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$serverConfig['cn'] = $parsedCert['subject']['CN']; |
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return $serverConfig; |
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} |
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} |
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eduVPN /
vpn-server-api
