/**
* 通过app secret和友好速搭回传的参数，验证当前请求是否来自于友好速搭
* @param array $params 获取到的所有参数
* @return bool true表示验证正确，false表示错误
* @throws InvalidArgumentException
*/
public function hmac_verify(array $params = [])
{
$this->validate('app_secret');
$secret = $this->app_secret;
if (!is_array($params) || !isset($params['hmac'])) {
throw new InvalidArgumentException('参数不正确');
}
//获取hmac并从数组中销毁
$hmac = $params['hmac'];
unset($params['hmac']);
//重新生成hmac
$digest = YhsdApiHelper::generate_hmac($params, $secret);
//返回比较结果
return $hmac == $digest;
}
/**
* 生成验证字符串
* @param $key
* @param $secret
* @return string
*/
public function authorization($key, $secret)
{
$str = $key . ":" . $secret;
$encoded = YhsdApiHelper::urlsafe_b64encode($str);
$basic = "Basic " . $encoded;
return $basic;
}
/**
* @dataProvider getData
*/
public function test_urlsafe_b64decode($params, $ans)
{
$this->assertEquals($ans, YhsdApiHelper::urlsafe_b64decode($params));
}
