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<?php |
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/** |
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* This file is part of the PHP-FFmpeg-video-streaming package. |
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* |
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* (c) Amin Yazdanpanah <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Streaming; |
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use Streaming\Process\Process; |
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class KeyInfo |
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{ |
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private $url; |
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private $path; |
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private $path_info; |
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private $openssl; |
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/** |
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* GenerateKeyInfo constructor. |
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* @param $url |
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* @param $path |
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* @param string $binary |
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* @throws Exception\Exception |
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*/ |
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public function __construct($url, $path, $binary = "openssl") |
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{ |
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$this->url = $url; |
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$this->path = $path; |
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$this->path_info = pathinfo($path); |
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$this->openssl = new Process($binary); |
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} |
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/** |
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* @throws Exception\Exception |
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*/ |
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public function generate(): string |
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{ |
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$key_info[] = $this->url; |
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$key_info[] = $this->generateRandomKey(); |
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$key_info[] = $this->generateIV(); |
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$key_info_path = $this->path_info["dirname"] . DIRECTORY_SEPARATOR . Helper::randomString() . ".keyinfo"; |
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file_put_contents($key_info_path, implode(PHP_EOL, $key_info)); |
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return $key_info_path; |
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} |
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/** |
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* @return string |
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* @throws Exception\Exception |
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*/ |
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public function __toString(): string |
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{ |
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return $this->generate(); |
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} |
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/** |
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* @return string |
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* @throws Exception\Exception |
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*/ |
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private function generateRandomKey(): string |
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{ |
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Helper::makeDir($this->path_info["dirname"]); |
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file_put_contents($this->path, $this->openssl->addCommand(['rand', '16'])->run()); |
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return $this->path; |
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} |
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/** |
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* @return string |
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* @throws Exception\Exception |
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*/ |
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private function generateIV(): string |
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{ |
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return $this->openssl->removeCommand('16')->addCommand(['-hex' ,'16'])->run(); |
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} |
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} |