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<?php |
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declare(strict_types=1); |
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namespace EasyRSA; |
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use EasyRSA\Interfaces\ConfigInterface; |
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use EasyRSA\Interfaces\DownloaderInterface; |
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use RuntimeException; |
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class Downloader implements DownloaderInterface |
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{ |
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/** |
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* Url via which possible to get the latest release of EasyRSA. |
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*/ |
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public const URL_LATEST_RELEASE = 'https://api.github.com/repos/OpenVPN/easy-rsa/releases/latest'; |
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/** |
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* @var \EasyRSA\Interfaces\ConfigInterface |
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*/ |
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private ConfigInterface $config; |
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/** |
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* Downloader constructor, need configuration for normal usage. |
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* |
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* @param \EasyRSA\Interfaces\ConfigInterface $config |
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*/ |
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public function __construct(ConfigInterface $config) |
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{ |
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$this->config = $config; |
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} |
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/** |
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* Exec some operation by cURL. |
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* |
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* TODO: Rewrite to Guzzle |
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* |
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* @param string $url |
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* @param string|null $filename |
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* |
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* @return string|null |
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*/ |
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private function curlExec(string $url, string $filename = null): ?string |
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{ |
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$curl = curl_init(); |
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curl_setopt($curl, CURLOPT_USERAGENT, 'useragent'); |
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($curl, CURLOPT_URL, $url); |
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); |
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// If filename is not set |
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if (null !== $filename) { |
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$fp = fopen($filename, 'wb+'); |
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curl_setopt($curl, CURLOPT_FILE, $fp); |
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} |
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$result = curl_exec($curl); |
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curl_close($curl); |
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return is_bool($result) ? null : $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLatestVersion(): string |
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{ |
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$json = $this->curlExec(self::URL_LATEST_RELEASE); |
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$json = json_decode($json, true, 512, JSON_THROW_ON_ERROR); |
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return $json['tarball_url']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function downloadLatestVersion(): ?string |
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{ |
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// Get full path to archive file |
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$filename = $this->config->getArchive(); |
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// Get url with latest release |
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$latest = $this->getLatestVersion(); |
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// Download and return status |
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return $this->curlExec($latest, $filename); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function extractArchive(): array |
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{ |
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$scripts = $this->config->getScripts(); |
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$archive = $this->config->getArchive(); |
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$result = []; |
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// Extract only if folder exist |
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if (mkdir($scripts, 0755, true) || is_dir($scripts)) { |
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exec("/usr/bin/env tar xfvz $archive -C $scripts --strip-components=1", $result); |
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} else { |
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throw new RuntimeException("Folder $scripts can't be created"); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEasyRSA(): void |
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{ |
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$this->downloadLatestVersion(); |
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$this->extractArchive(); |
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} |
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} |
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EvilFreelancer /
easyrsa-php
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