<?php
/**
 * Created by hello.
 * User: qq 845875470
 * Date: 2016/4/2
 * Time: 11:21
 */
$notice = <<<A
  為了穩(wěn)定性,必須在客戶端跑
  格式 ：php path=D:/xxx/uuu type=en is_copy=1 salt=xxx
  參數(shù)使用空格分開(kāi)
  path    -- 路徑 必須寫(xiě)
  type    -- en加密, de為解密 必須寫(xiě)
  is_copy    -- 1為復(fù)制,0為轉(zhuǎn)移,         不寫(xiě)默認(rèn)為轉(zhuǎn)移
  salt    -- 加密鑰匙 加密用什么,解密就用什么  不寫(xiě)默認(rèn)為salt
A;
//如果不是客戶端
if(PHP_SAPI != 'cli') {echo $notice;die;}
//獲取參數(shù)
$arr = parse_parameter($argv);
//如果路徑?jīng)]設(shè)置
if(!isset($arr['path']) || !isset($arr['type']))   {echo $notice;die;}
//如果is_dir沒(méi)設(shè)置
if(!isset($arr['is_copy']))             {$arr['is_copy'] = '';}
//如果salt沒(méi)設(shè)置
if(!isset($arr['salt']))               {$arr['salt'] = '';}
//type為en就加密
if($arr['type'] == "en") img_enconde($arr['path'], $arr['is_copy'], $arr['salt']);
//type為de就解密
if($arr['type'] == "de") img_deconde($arr['path'], $arr['is_copy'], $arr['salt']);
function parse_parameter($argv)
{
  $arr = array();
  //獲取參數(shù)
  for($len=count($argv)-1; $len--; )
  {
    list($key, $val) = explode('=', $argv[$len]);
    $arr[$key] = $val;
  }
  return $arr;
}
//圖片加密函數(shù)
//路徑文件夾
//是否為復(fù)制(默認(rèn)不復(fù)制)
//鹽(默認(rèn)為salt)
function img_enconde($path, $is_copy = 0, $salt = 'salt')
{
  $time1 = microtime(1);
  $handle = opendir($path);
  if(!$salt) $salt = 'salt';
  if($handle)
  {
    echo "路徑：" . $path . "\r\n\r\n";
    //在指定文件夾下創(chuàng)建臨時(shí)文件夾
    $temp_dir = $path . '\\' . 'temp';
    @mkdir($temp_dir, 0777, 1);
    while ($file = readdir($handle))
    {
      $time2 = microtime(1);
      //構(gòu)造當(dāng)前文件絕對(duì)地址
      $dir_path = $path . '\\' . $file;
      //獲取文件后綴
      $suffix = strrchr($file, '.');
      //圖片后綴
      $fix = array('.jpg', '.gif', '.bmp', '.png', '.jpeg', '.JPG', '.GIF', '.BMP', '.PNG', 'JPEG');
      if(is_file($dir_path) && in_array($suffix, $fix))
      {
        //打開(kāi)當(dāng)前文件
        $fh = fopen($dir_path, 'r');
        //打開(kāi)文件為流
        $stream = fread($fh, filesize($dir_path));
        //輸出
        file_put_contents($temp_dir . '\\' . uniqid('',1), $file . '!' . $salt . '@' . $stream);
        //關(guān)閉句柄
        fclose($fh);
        //是否為復(fù)制
        //1為復(fù)制,0為刪除(默認(rèn))
        if(!$is_copy)
        {
          echo "加密并刪除 : " . $dir_path . "\r\n";
          @unlink($dir_path);
        }
        else
        {
          echo "加密 : " . $dir_path . "\r\n";
        }
        $time3 = microtime(1);
        echo "此圖用時(shí) ", ($time3 - $time2), " S\r\n", "已經(jīng)用時(shí) ", ($time3 - $time1), " S\r\n\r\n";
      }
    }
    echo "加密完成\r\n";
  }
  else
  {
    echo "path invalid ";
    return false;
  }
}
//圖片解密函數(shù)
//路徑文件夾
//是否為復(fù)制(默認(rèn)不復(fù)制)
//鹽(默認(rèn)為salt)加密寫(xiě)什么,這里就寫(xiě)什么
function img_deconde($path, $is_copy = 0, $salt = '')
{
  $time1 = microtime(1);
  $handle = opendir($path);
  if($handle)
  {
    echo "路徑：" . $path . "\r\n\r\n";
    if(!$salt) $salt = 'salt';
    //在指定文件夾下創(chuàng)建臨時(shí)文件夾
    $temp_dir = $path . '\\' . 'temp';
    @mkdir($temp_dir, 0777, 1);
    //核心正則
    $reg = "#^(.+?[jpgifbmne]{3,4})!(" . $salt . ")@#im";
    $res = array();
    $count = 0;
    while ($file = readdir($handle))
    {
      $time2 = microtime(1);
      //構(gòu)造當(dāng)前文件絕對(duì)地址
      $file_path = $path . '\\' . $file;
      if(is_file($file_path))
      {
        //文件句柄
        $hf = fopen($file_path, 'r');
        //返回流
        $stream = fread($hf, filesize($file_path));
        fclose($hf);
        //匹配加的密碼
        if(preg_match_all($reg, $stream, $res))
        {
          $count++;
          //清空鹽
          $stream = str_replace($res[0][0], '', $stream);
          //輸出文件
          file_put_contents($temp_dir . '\\' . $res[1][0], $stream);
          //是否為復(fù)制
          //1為復(fù)制,0為刪除(默認(rèn))
          if(!$is_copy)
          {
            echo "成功解密刪除 : " . $temp_dir . '\\' . $res[1][0] . "\r\n";
            @unlink($file_path);
          }
          else
          {
            echo "解密 : " . $temp_dir . '\\' . $res[1][0] . "\r\n";
          }
        }
        $time3 = microtime(1);
        echo "此圖用時(shí) ", ($time3 - $time2), " S\r\n", "已經(jīng)用時(shí) ", ($time3 - $time1), " S\r\n\r\n";
      }
    }
    if(!$count)
    {
      echo "沒(méi)有有效的加密文件\r\n";
      return false;
    }
    echo "解密完成\r\n";
  }
  else
  {
    echo "path invalid ";
    return false;
  }
}
?>