Init Repo

2019-09-06 23:53:10 +08:00
commit f0ef89dfbb
7905 changed files with 914138 additions and 0 deletions
--- a/extend/org/Base64.php
+++ b/extend/org/Base64.php
@ -0,0 +1,78 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+namespace org;
+/**
+ * Base64 加密实现类
+ */
+class Base64 {
+
+    /**
+     * 加密字符串
+     * @param string $str 字符串
+     * @param string $key 加密key
+     * @param integer $expire 有效期（秒）     
+     * @return string
+     */
+    public static function encrypt($data,$key,$expire=0) {
+        $expire = sprintf('%010d', $expire ? $expire + time():0);
+        $key    =   md5($key);
+        $data   =   base64_encode($expire.$data);
+        $char = "";
+        $str = "";
+        $x=0;
+		$len = strlen($data);
+		$l = strlen($key);
+        for ($i=0;$i< $len;$i++) {
+            if ($x== $l) $x=0;
+            $char   .=substr($key,$x,1);
+            $x++;
+        }
+
+        for ($i=0;$i< $len;$i++) {
+            $str    .=chr(ord(substr($data,$i,1))+(ord(substr($char,$i,1)))%256);
+        }
+        return $str;
+    }
+
+    /**
+     * 解密字符串
+     * @param string $str 字符串
+     * @param string $key 加密key
+     * @return string
+     */
+    public static function decrypt($data,$key) {
+        $key    =   md5($key);
+        $x=0;
+        $len = strlen($data);
+        $l = strlen($key);
+        $char = "";
+        $str = "";
+        for ($i=0;$i< $len;$i++) {
+            if ($x== $l) $x=0;
+            $char   .=substr($key,$x,1);
+            $x++;
+        }
+        for ($i=0;$i< $len;$i++) {
+            if (ord(substr($data,$i,1))<ord(substr($char,$i,1))) {
+                $str    .=chr((ord(substr($data,$i,1))+256)-ord(substr($char,$i,1)));
+            }else{
+                $str    .=chr(ord(substr($data,$i,1))-ord(substr($char,$i,1)));
+            }
+        }
+        $data = base64_decode($str);
+        $expire = substr($data,0,10);
+        if($expire > 0 && $expire < time()) {
+            return '';
+        }
+        $data   = substr($data,10);
+        return $data;
+    }
+}