/**
* 重新创建文件名
* @return string
*/
protected function replaceFileName()
{
$this->fileName = RandCode::getInstance()->createCode(1, 24, 6)[0];
if ($this->key) {
$arr = explode('/', $this->key);
$arr[count($arr) - 1] = $this->fileName;
return $this->key = implode('/', $arr);
} else {
return $this->key = $this->fileName;
}
}
/**
*
* @return bool|string
*/
public function createdToken()
{
if ($data = $this->getAccountInfo()) {
$rand = RandCode::getInstance();
$tokenArr['uid'] = $data['uid'];
$tokenArr['code'] = $rand->createCode(1, 6, 1)[0];
$tokenArr['token'] = $rand->createCode(1, 32)[0];
$accessToken = Encrypt::getInstance()->encrypt($tokenArr);
$cache['key'] = TOKEN_KEY . $data['uid'];
$cache['expire'] = TOKEN_EXPIRE;
$status = Memcached::getInstance($cache)->set($tokenArr);
if ($status) {
return Format::messages(0, 'get token success', ['access_token' => $accessToken, 'expire' => TOKEN_EXPIRE]);
}
}
return Format::messages(100001, 'the user has not authorized');
}
/**
* 对明文进行加密
*
* @param $text
* @param $corpid
* @return array
*/
public function encrypt($text, $corpid = '')
{
try {
/*获得16位随机字符串，填充到明文之前*/
$random = RandCode::getInstance()->createCode(1, 16)[0];
$text = $random . pack("N", strlen($text)) . $text . $corpid;
/*网络字节序*/
mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
$module = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
$iv = substr($this->key, 0, 16);
/*使用自定义的填充方式对明文进行补位填充*/
$text = $this->encode($text);
mcrypt_generic_init($module, $this->key, $iv);
/*加密*/
$encrypted = mcrypt_generic($module, $text);
mcrypt_generic_deinit($module);
mcrypt_module_close($module);
/*使用BASE64对加密后的字符串进行编码*/
return [self::$OK, rtrim(strtr(base64_encode($encrypted), '+/', '-_'), '=')];
} catch (Exception $e) {
error_log(var_export($e));
return [self::$EncryptAESError, null];
}
}