idapi-separate/idapi_class_getuser.php

<?php
/**
 *  解密并返回同步的用户信息
 *  2020.02 by xiaowei
 */
class idapi_getuser{
	
	public function aes_decrypt($enc){
		$raw = hex2bin($enc);
		$cipherMethod = 'aes-128-ctr';
		$ivlen = openssl_cipher_iv_length($cipherMethod);
		$iv = substr($raw, 0, $ivlen);
		$raw = substr($raw, $ivlen);
		$res = openssl_decrypt($raw, $cipherMethod, API_KEY, OPENSSL_RAW_DATA|OPENSSL_ZERO_PADDING, $iv);
		return $res;
	}
	
	public function getAuth(){
		if(!$_COOKIE["fr_id_auth"]){return false;}
		$ck_auth = $this->aes_decrypt($_COOKIE["fr_id_auth"]);
		$jsonarr = json_decode($ck_auth,true);
		return $jsonarr;
	}
	
	public function getUserinfo(){
		if($_COOKIE['fr_id_auth']){
		  if(!$_COOKIE["fr_id_userinfo"]){return false;}
		  $ck_auth = $this->aes_decrypt($_COOKIE["fr_id_userinfo"]);
		  $jsonarr = json_decode($ck_auth,true);
		  return $jsonarr;
		}else{
			return false;
		}
	}
	
}