一个简单的图片加解密函数
使用client跑,不要使用浏览器跑
<?php /** * Created by hello. * User: qq 845875470 * Date: 2016/4/2 * Time: 11:21 */ $notice = <<<A 为了稳定性,必须在客户端跑 格式 :php path=D:/xxx/uuu type=en is_copy=1 salt=xxx 参数使用空格分开 path -- 路径 必须写 type -- en加密, de为解密 必须写 is_copy -- 1为复制,0为转移, 不写默认为转移 salt -- 加密钥匙 加密用什么,解密就用什么 不写默认为salt A; //如果不是客户端 if(PHP_SAPI != 'cli') {echo $notice;die;} //获取参数 $arr = parse_parameter($argv); //如果路径没设置 if(!isset($arr['path']) || !isset($arr['type'])) {echo $notice;die;} //如果is_dir没设置 if(!isset($arr['is_copy'])) {$arr['is_copy'] = '';} //如果salt没设置 if(!isset($arr['salt'])) {$arr['salt'] = '';} //type为en就加密 if($arr['type'] == "en") img_enconde($arr['path'], $arr['is_copy'], $arr['salt']); //type为de就解密 if($arr['type'] == "de") img_deconde($arr['path'], $arr['is_copy'], $arr['salt']); function parse_parameter($argv) { $arr = array(); //获取参数 for($len=count($argv)-1; $len--; ) { list($key, $val) = explode('=', $argv[$len]); $arr[$key] = $val; } return $arr; } //图片加密函数 //路径文件夹 //是否为复制(默认不复制) //盐(默认为salt) function img_enconde($path, $is_copy = 0, $salt = 'salt') { $time1 = microtime(1); $handle = opendir($path); if(!$salt) $salt = 'salt'; if($handle) { echo "路径:" . $path . "\r\n\r\n"; //在指定文件夹下创建临时文件夹 $temp_dir = $path . '\\' . 'temp'; @mkdir($temp_dir, 0777, 1); while ($file = readdir($handle)) { $time2 = microtime(1); //构造当前文件绝对地址 $dir_path = $path . '\\' . $file; //获取文件后缀 $suffix = strrchr($file, '.'); //图片后缀 $fix = array('.jpg', '.gif', '.bmp', '.png', '.jpeg', '.JPG', '.GIF', '.BMP', '.PNG', 'JPEG'); if(is_file($dir_path) && in_array($suffix, $fix)) { //打开当前文件 $fh = fopen($dir_path, 'r'); //打开文件为流 $stream = fread($fh, filesize($dir_path)); //输出 file_put_contents($temp_dir . '\\' . uniqid('',1), $file . '!' . $salt . '@' . $stream); //关闭句柄 fclose($fh); //是否为复制 //1为复制,0为删除(默认) if(!$is_copy) { echo "加密并删除 : " . $dir_path . "\r\n"; @unlink($dir_path); } else { echo "加密 : " . $dir_path . "\r\n"; } $time3 = microtime(1); echo "此图用时 ", ($time3 - $time2), " S\r\n", "已经用时 ", ($time3 - $time1), " S\r\n\r\n"; } } echo "加密完成\r\n"; } else { echo "path invalid "; return false; } } //图片解密函数 //路径文件夹 //是否为复制(默认不复制) //盐(默认为salt)加密写什么,这里就写什么 function img_deconde($path, $is_copy = 0, $salt = '') { $time1 = microtime(1); $handle = opendir($path); if($handle) { echo "路径:" . $path . "\r\n\r\n"; if(!$salt) $salt = 'salt'; //在指定文件夹下创建临时文件夹 $temp_dir = $path . '\\' . 'temp'; @mkdir($temp_dir, 0777, 1); //核心正则 $reg = "#^(.+?[jpgifbmne]{3,4})!(" . $salt . ")@#im"; $res = array(); $count = 0; while ($file = readdir($handle)) { $time2 = microtime(1); //构造当前文件绝对地址 $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); //匹配加的密码 if(preg_match_all($reg, $stream, $res)) { $count++; //清空盐 $stream = str_replace($res[0][0], '', $stream); //输出文件 file_put_contents($temp_dir . '\\' . $res[1][0], $stream); //是否为复制 //1为复制,0为删除(默认) if(!$is_copy) { echo "成功解密删除 : " . $temp_dir . '\\' . $res[1][0] . "\r\n"; @unlink($file_path); } else { echo "解密 : " . $temp_dir . '\\' . $res[1][0] . "\r\n"; } } $time3 = microtime(1); echo "此图用时 ", ($time3 - $time2), " S\r\n", "已经用时 ", ($time3 - $time1), " S\r\n\r\n"; } } if(!$count) { echo "没有有效的加密文件\r\n"; return false; } echo "解密完成\r\n"; } else { echo "path invalid "; return false; } } ?>

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