Current File : //home1/lightco1/www/administrator/components/com_jmap/framework/Google/Signer/P12.php
<?php
// namespace administrator\components\com_jmap\framework\google;
/**
*
* @package JMAP::FRAMEWORK::administrator::components::com_jmap
* @subpackage framework
* @subpackage google
* @author Joomla! Extensions Store
* @copyright (C) 2015 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
defined ( '_JEXEC' ) or die ();
/**
* Signs data.
*
* Only used for testing.
*
* @author Brian Eaton <beaton@google.com>
*/
class Google_Signer_P12 extends Google_Signer_Abstract
{
// OpenSSL private key resource
private $privateKey;
// Creates a new signer from a .p12 file.
public function __construct($p12, $password)
{
if (!function_exists('openssl_x509_read')) {
throw new Google_Exception(
'The Google PHP API library needs the openssl PHP extension'
);
}
// If the private key is provided directly, then this isn't in the p12
// format. Different versions of openssl support different p12 formats
// and the key from google wasn't being accepted by the version available
// at the time.
if (!$password && strpos($p12, "-----BEGIN RSA PRIVATE KEY-----") !== false) {
$this->privateKey = openssl_pkey_get_private($p12);
} else {
// This throws on error
$certs = array();
if (!openssl_pkcs12_read($p12, $certs, $password)) {
throw new Google_Auth_Exception(
"Unable to parse the p12 file. " .
"Is this a .p12 file? Is the password correct? OpenSSL error: " .
openssl_error_string()
);
}
// method? What happens if there are multiple private keys? Do we care?
if (!array_key_exists("pkey", $certs) || !$certs["pkey"]) {
throw new Google_Auth_Exception("No private key found in p12 file.");
}
$this->privateKey = openssl_pkey_get_private($certs['pkey']);
}
if (!$this->privateKey) {
throw new Google_Auth_Exception("Unable to load private key");
}
}
public function __destruct()
{
if ($this->privateKey) {
openssl_pkey_free($this->privateKey);
}
}
public function sign($data)
{
if (version_compare(PHP_VERSION, '5.3.0') < 0) {
throw new Google_Auth_Exception(
"PHP 5.3.0 or higher is required to use service accounts."
);
}
$hash = defined("OPENSSL_ALGO_SHA256") ? OPENSSL_ALGO_SHA256 : "sha256";
if (!openssl_sign($data, $signature, $this->privateKey, $hash)) {
throw new Google_Auth_Exception("Unable to sign data");
}
return $signature;
}
}
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