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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\Ca; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\TransferException; |
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/** |
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* Fetch and store the CRL used by OpenVPN. |
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*/ |
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class CrlFetcher |
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{ |
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/** @var string */ |
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private $crlUrl; |
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/** @var string */ |
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private $crlPath; |
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/** @var \GuzzleHttp\Client */ |
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private $client; |
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/** |
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* @param string $crlUrl the URL location to fetch from |
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* @param string $crlPath the folder to write to |
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*/ |
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public function __construct($crlUrl, $crlPath, Client $client = null) |
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{ |
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$this->crlUrl = $crlUrl; |
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$this->crlPath = $crlPath; |
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if (null === $client) { |
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$client = new Client(); |
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} |
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$this->client = $client; |
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} |
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/** |
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* Fetch and store the CRL. |
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*/ |
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public function fetch() |
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{ |
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$crlFile = sprintf('%s/ca.crl', $this->crlPath); |
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$tmpFile = sprintf('%s.tmp', $crlFile); |
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try { |
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$response = $this->client->get($this->crlUrl); |
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$crlData = $response->getBody(); |
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if (false === @file_put_contents($tmpFile, $crlData)) { |
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// unable to write tmp file |
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return ['ok' => false, 'error' => 'unable to write CRL']; |
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} |
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if (false === @rename($tmpFile, $crlFile)) { |
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// unable to rename tmp file to crl file |
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if (false === @unlink($tmpFile)) { |
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return ['ok' => false, 'error' => 'unable to delete temporary CRL']; |
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} |
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return ['ok' => false, 'error' => 'unable to rename temporary CRL to active CRL']; |
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} |
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// succeeded |
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return ['ok' => true]; |
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} catch (TransferException $e) { |
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// Guzzle catch all exception |
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return ['ok' => false, 'error' => 'unable to download CRL']; |
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} |
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} |
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} |
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eduVPN /
vpn-server-api
