2024-10-10
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159
web/kindeditor/php/upload_json.php
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159
web/kindeditor/php/upload_json.php
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<?php
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/**
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* KindEditor PHP
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*
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* 本PHP程序是演示程序，建议不要直接在实际项目中使用。
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* 如果您确定直接使用本程序，使用之前请仔细确认相关安全设置。
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*
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*/
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@session_start();
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require_once("../../include/db_info.inc.php");
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if (!(isset($_SESSION[$OJ_NAME.'_'.'administrator'])
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||isset($_SESSION[$OJ_NAME.'_'.'problem_editor'])
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||isset($_SESSION[$OJ_NAME.'_'.'contest_creator'])
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)){
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echo "<a href='../loginpage.php'>Please Login First!</a>";
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//echo $_SESSION[$OJ_NAME.'_'.'administrator']."[$OJ_NAME]";
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exit(1);
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}
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require_once 'JSON.php';
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$php_path = dirname(__FILE__) . '/';
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//文件保存目录路径
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$save_path = $php_path . '../../upload/';
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//文件保存目录URL
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$save_url = dirname(dirname(dirname($_SERVER['PHP_SELF']) )) . '/upload/';
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//定义允许上传的文件扩展名
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$ext_arr = array(
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'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'),
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'flash' => array('swf', 'flv'),
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'media' => array('swf', 'flv', 'mp3', 'wav', 'wma', 'wmv', 'mid', 'avi', 'mpg', 'asf', 'rm', 'rmvb', "mp4"),
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'file' => array('pdf','doc', 'docx', 'xls', 'xlsx', 'ppt', 'htm', 'html', 'txt', 'zip', 'rar', 'gz', 'bz2'),
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);
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//最大文件大小
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$max_size = 400*1024*1024;
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$save_path = realpath($save_path) . '/';
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//PHP上传失败
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if (!empty($_FILES['imgFile']['error'])) {
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switch($_FILES['imgFile']['error']){
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case '1':
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$error = '超过php.ini允许的大小。';
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break;
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case '2':
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$error = '超过表单允许的大小。';
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break;
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case '3':
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$error = '图片只有部分被上传。';
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break;
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case '4':
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$error = '请选择图片。';
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break;
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case '6':
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$error = '找不到临时目录。';
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break;
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case '7':
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$error = '写文件到硬盘出错。';
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break;
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case '8':
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$error = 'File upload stopped by extension。';
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break;
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case '999':
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default:
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$error = '未知错误。';
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}
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alert($error);
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}
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//有上传文件时
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if (empty($_FILES) === false) {
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//原文件名
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$file_name = $_FILES['imgFile']['name'];
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//服务器上临时文件名
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$tmp_name = $_FILES['imgFile']['tmp_name'];
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//文件大小
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$file_size = $_FILES['imgFile']['size'];
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//检查文件名
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if (!$file_name) {
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alert("请选择文件。");
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}
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//检查目录
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if (@is_dir($save_path) === false) {
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alert("上传目录不存在。");
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}
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//检查目录写权限
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if (@is_writable($save_path) === false) {
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alert("上传目录没有写权限。在服务器上执行下述命令解决该问题:\n chown www-data -R \"$save_path\" \n");
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}
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//检查是否已上传
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if (@is_uploaded_file($tmp_name) === false) {
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alert("上传失败。");
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}
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//检查文件大小
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if ($file_size > $max_size) {
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alert("上传文件大小超过限制。");
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}
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//获得文件扩展名
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$temp_arr = explode(".", $file_name);
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$file_ext = array_pop($temp_arr);
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$file_ext = trim($file_ext);
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$file_ext = strtolower($file_ext);
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//检查目录名
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$dir_name="";
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foreach($ext_arr as $key => $value){
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if(in_array($file_ext,$value)){
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$dir_name=$key;
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break;
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}
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}
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if($dir_name=="") $dir_name="image";
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if (empty($ext_arr[$dir_name])) {
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alert("目录名不正确。".$ext_arr[$dir_name]."dirname[".($dir_name)."]");
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}
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//检查扩展名
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if (in_array($file_ext, $ext_arr[$dir_name]) === false) {
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alert("上传文件扩展名是不允许的扩展名。\n只允许" . implode(",", $ext_arr[$dir_name]) . "格式。");
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}
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if(strlen($domain)>0){
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$dir_name="$domain/$dir_name";
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}
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//创建文件夹
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if ($dir_name !== '') {
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$save_path .= $dir_name . "/";
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$save_url .= $dir_name . "/";
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if (!file_exists($save_path)) {
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mkdir($save_path,0744,true);
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}
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}
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$ymd = date("Ymd");
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$save_path .= $ymd . "/";
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$save_url .= $ymd . "/";
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if (!file_exists($save_path)) {
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mkdir($save_path);
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}
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//新文件名
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$new_file_name = date("YmdHis") . '_' . rand(10000, 99999) . '.' . $file_ext;
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//移动文件
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$file_path = $save_path . $new_file_name;
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if (move_uploaded_file($tmp_name, $file_path) === false) {
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alert("上传文件失败。");
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}
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@chmod($file_path, 0644);
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$file_url = $save_url . $new_file_name;
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header('Content-type: text/html; charset=UTF-8');
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$json = new Services_JSON();
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echo $json->encode(array('error' => 0, 'url' => $file_url));
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exit;
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}
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function alert($msg) {
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header('Content-type: text/html; charset=UTF-8');
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$json = new Services_JSON();
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echo $json->encode(array('error' => 1, 'message' => $msg));
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exit;
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}
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