与 Nodejs Express 共享 Laravel 4 会话

我正在尝试从 NodeJS 上标头的 Cookie 中获取 Laravel 会话 ID。

到目前为止我已经尝试过：

function nodeDecrypt(data, key, iv) {
  var decipher = crypto.createDecipheriv('aes-256-cbc', key, iv);
  var chunks = []
  chunks.push(decipher.update(chunk.toString(),'hex','binary'))
  chunks.push(decipher.final('binary'))
  return chunks.join('')
}

var cookie = JSON.parse(new Buffer(req.cookies.gjsess, 'base64'));
var iv     = new Buffer(cookie.iv, 'base64');
var value  = new Buffer(cookie.value, 'base64');

var dec = nodeDecrypt(value, 'YourSecretKey!!!', iv);

但到目前为止我一直在得到Invalid IV length 32.

YourSecretKey!!!是在app.php拉拉维尔 4.

Laravel 加密机制：

protected $cipher = 'rijndael-256';
protected $mode = 'cbc';
protected $block = 32;

...

$payload = $this->getJsonPayload($payload);
$value = base64_decode($payload['value']);
$iv = base64_decode($payload['iv']);
return unserialize($this->stripPadding($this->mcryptDecrypt($value, $iv)));

...

return mcrypt_decrypt($this->cipher, $this->key, $value, $this->mode, $iv);

...

$this->app->bindShared('encrypter', function($app)
{
  return new Encrypter($app['config']['app.key']);
});

其他尝试

var cookie = JSON.parse(new Buffer(req.cookies.gjsess, 'base64'));
var iv     = new Buffer(cookie.iv, 'base64');
var value  = new Buffer(cookie.value, 'base64');

var MCrypt = require('mcrypt').MCrypt;
var desEcb = new MCrypt('rijndael-256', 'cbc');
desEcb.open('YourSecretKey!!!');
var plaintext = desEcb.decrypt(value, 'base64');

这不会给出错误，但仍然得到无用的数据。

终于我也得到了！这是我的解决方案。非常适合我。

// requirements
var PHPUnserialize = require('php-unserialize'); // npm install php-unserialize
var MCrypt = require('mcrypt').MCrypt; // npm install mcrypt


// helper function

function ord( string ) {    // Return ASCII value of character
    // 
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

    return string.charCodeAt(0);
}


function getSessionIdFromLaravelCookie() {

    var cookie = JSON.parse(new Buffer(req.cookies.laravel_session, 'base64'));
    var iv = new Buffer(cookie.iv, 'base64');
    var value = new Buffer(cookie.value, 'base64');
    var key = "_Encryption Key_";

    var rijCbc = new MCrypt('rijndael-256', 'cbc');
    rijCbc.open(key, iv); // it's very important to pass iv argument!

    var decrypted = rijCbc.decrypt(value).toString();


    var len = decrypted.length - 1;
    var pad = ord(decrypted.charAt(len));

    var sessionId = PHPUnserialize.unserialize(decrypted.substr(0, decrypted.length - pad));

    return sessionId;

}