Signature.php
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<?php
namespace Lackoxygen\TiktokShop\Util;
use Lackoxygen\TiktokShop\Attribute\Config\Config;
class Signature extends Config
{
/**
* @var string
*/
private string $method;
/**
* @var string
*/
private string $timestamp;
/**
* @var string
*/
private string $paramJson;
/**
* @param mixed $method
*/
public function setMethod($method): Signature
{
$this->method = $method;
return $this;
}
/**
* @param mixed $timestamp
*/
public function setTimestamp($timestamp): Signature
{
$this->timestamp = $timestamp;
return $this;
}
/**
* @param mixed $paramJson
*/
public function setParamJson($paramJson): Signature
{
$this->paramJson = $paramJson;
return $this;
}
/**
* @return string
*/
public function generate()
{
$paramPattern = 'app_key' . $this->config->getAppKey(
) . 'method' . $this->method . 'param_json' . $this->paramJson .
'timestamp' . $this->timestamp . 'v' . $this->config->getVersion();
$body = $this->config->getAppSecret() . $paramPattern . $this->config->getAppSecret();
switch ($this->config->getSignMethod()) {
case 'hmac-sha256':
case 'sha256':
return $this->sha256($body);
case 'md5':
return $this->md5($body);
default:
return '';
}
}
/**
* @param string $body
* @return false|string
*/
protected function sha256(string $body): string
{
return (string)\hash_hmac("sha256", $body, $this->config->getAppSecret());
}
/**
* @param string $body
* @return string
*/
protected function md5(string $body): string
{
return \md5($body . $this->config->getAppSecret());
}
}