zeg1jeux/lib/Keygen.class.php

<?php

class Keygen {
	
	private $keygenPath = __DIR__ . '/../vendors/keygen/keygen';
	
	// private $keygenPath = 'keygen'; // if you use Docker

	private $pubsecDir = __DIR__ .'/../cache/pubsec/';

	private $userPubsecPath;

	public function __construct () {

	}

	public function getG1Pub ($salt, $pepper) {

		$salt = str_replace('"', '\"', $salt);
		$pepper = str_replace('"', '\"', $pepper);

		$cmd  = $this->keygenPath;
		$cmd .= ' -f pubsec';
		$cmd .= ' -t duniter';
		$cmd .= ' "'. $salt .'"';
		$cmd .= ' -p "'. $pepper .'"';

		$output=null;
		$result_code=null;
		exec($cmd, $output, $result_code);

		// die($cmd . '<br />'. print_r($output, true) . '<br />'. print_r($result_code, true));

		if (empty($output) or empty($output[0])) {

			throw new Exception('Keygen me calcule pas (la G1 pub)');
		}

		return $output[0];
	}

	public function getIPNSPub ($salt, $pepper) {

		$salt = str_replace('"', '\"', $salt);
		$pepper = str_replace('"', '\"', $pepper);

		$cmd  = $this->keygenPath;
		$cmd .= ' -t b36mf';
		$cmd .= ' "'. $salt .'"';
		$cmd .= ' -p "'. $pepper .'"';

		$output=null;
		$result_code=null;
		exec($cmd, $output, $result_code);

		// die($cmd . '<br />'. print_r($output, true) . '<br />'. print_r($result_code, true));

		if (empty($output) or empty($output[0])) {

			throw new Exception('Keygen me calcule pas (la pub IPNS) :<br />' . $cmd . '<br />');
		}

		return $output[0];
	}

	public function generatePubsec ($salt, $pepper) {

		$salt = str_replace('"', '\"', $salt);
		$pepper = str_replace('"', '\"', $pepper);
		
		$userPubkey = $this->getG1Pub($salt, $pepper);
		
		if (!file_exists($this->pubsecDir)) {
			
			mkdir($this->pubsecDir, 0777, true);
		
		}

		if (!file_exists($this->pubsecDir . $userPubkey . '.dunikey')) {

			$cmd  = $this->keygenPath;
			$cmd .= ' -f pubsec';
			$cmd .= ' -t duniter';
			$cmd .= ' "'. $salt .'"';
			$cmd .= ' -p "'. $pepper .'"';
			$cmd .= ' -o '. $this->pubsecDir . $userPubkey . '.dunikey';

			$output=null;
			$result_code=null;
			exec($cmd, $output, $result_code);

			// die($cmd . '<br />'. print_r($result_code, true));

			if ($result_code != 0) {

				throw new Exception('Keygen me calcule pas (la dunikey)');
			}
		}
	}
}