first commit

芳林公司项目/www.zhiyuanhelp.com/application/api/service/Token.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2020/4/13
+ */
+
+namespace app\api\service;
+use think\Exception;
+use think\facade\Cache;
+use think\facade\Request;
+
+class Token
+{
+    public static function generateToken(){
+
+        $randChar = getRandChar(32);
+        $timestamp = $_SERVER['REQUEST_TIME_FLOAT'];
+        $tokenSalt = config('secure.token_salt');
+        return md5($randChar . $timestamp . $tokenSalt);
+    }
+    public static function getCurrentTokenVar($key){
+        $token = Request::header('token');
+//        $vars = Cache::get($token);
+        $vars = Cache::store('redis')->get($token);
+
+        if(!$vars){
+            throw new TokenException();
+        }else{
+            if(!is_array($vars))
+            {
+                $vars = json_decode($vars, true);
+                return $vars;
+            }
+
+            if (array_key_exists($key, $vars)) {
+                return $vars[$key];
+            }
+            else{
+                throw new Exception('尝试获取的Token变量并不存在');
+            }
+        }
+
+    }
+    public static function getCurrentUid(){
+
+        $uid = self::getCurrentTokenVar('uid');
+        return $uid;
+    }
+
+
+    public static function isValidOperate($checkedUID){
+
+        if(!$checkedUID){
+            throw new Exception('检测UID时必须传入一个被检测的UID');
+        }
+
+        $currentOperateUID = self::getCurrentUid();
+        if($currentOperateUID == $checkedUID){
+            return true;
+        }
+        return false;
+
+    }
+}