|
|
<?php
|
|
|
// +----------------------------------------------------------------------
|
|
|
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
|
|
|
// +----------------------------------------------------------------------
|
|
|
// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
|
|
|
// +----------------------------------------------------------------------
|
|
|
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
|
|
|
// +----------------------------------------------------------------------
|
|
|
// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
|
|
|
// +----------------------------------------------------------------------
|
|
|
namespace Think;
|
|
|
class Upload {
|
|
|
/**
|
|
|
* 默认上传配置
|
|
|
* @var array
|
|
|
*/
|
|
|
private $config = array(
|
|
|
'mimes' => array(), //允许上传的文件MiMe类型
|
|
|
'maxSize' => 0, //上传的文件大小限制 (0-不做限制)
|
|
|
'exts' => array(), //允许上传的文件后缀
|
|
|
'autoSub' => true, //自动子目录保存文件
|
|
|
'subName' => array('date', 'Y-m-d'), //子目录创建方式，[0]-函数名，[1]-参数，多个参数使用数组
|
|
|
'rootPath' => './Uploads/', //保存根路径
|
|
|
'savePath' => '', //保存路径
|
|
|
'saveName' => array('uniqid', ''), //上传文件命名规则，[0]-函数名，[1]-参数，多个参数使用数组
|
|
|
'saveExt' => '', //文件保存后缀，空则使用原后缀
|
|
|
'replace' => false, //存在同名是否覆盖
|
|
|
'hash' => true, //是否生成hash编码
|
|
|
'callback' => false, //检测文件是否存在回调，如果存在返回文件信息数组
|
|
|
'driver' => '', // 文件上传驱动
|
|
|
'driverConfig' => array(), // 上传驱动配置
|
|
|
);
|
|
|
|
|
|
/**
|
|
|
* 上传错误信息
|
|
|
* @var string
|
|
|
*/
|
|
|
private $error = ''; //上传错误信息
|
|
|
|
|
|
/**
|
|
|
* 上传驱动实例
|
|
|
* @var Object
|
|
|
*/
|
|
|
private $uploader;
|
|
|
|
|
|
/**
|
|
|
* 构造方法，用于构造上传实例
|
|
|
* @param array $config 配置
|
|
|
* @param string $driver 要使用的上传驱动 LOCAL-本地上传驱动，FTP-FTP上传驱动
|
|
|
*/
|
|
|
public function __construct($config = array(), $driver = '', $driverConfig = null){
|
|
|
/* 获取配置 */
|
|
|
$this->config = array_merge($this->config, $config);
|
|
|
|
|
|
/* 设置上传驱动 */
|
|
|
$this->setDriver($driver, $driverConfig);
|
|
|
|
|
|
/* 调整配置，把字符串配置参数转换为数组 */
|
|
|
if(!empty($this->config['mimes'])){
|
|
|
if(is_string($this->mimes)) {
|
|
|
$this->config['mimes'] = explode(',', $this->mimes);
|
|
|
}
|
|
|
$this->config['mimes'] = array_map('strtolower', $this->mimes);
|
|
|
}
|
|
|
if(!empty($this->config['exts'])){
|
|
|
if (is_string($this->exts)){
|
|
|
$this->config['exts'] = explode(',', $this->exts);
|
|
|
}
|
|
|
$this->config['exts'] = array_map('strtolower', $this->exts);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 使用 $this->name 获取配置
|
|
|
* @param string $name 配置名称
|
|
|
* @return multitype 配置值
|
|
|
*/
|
|
|
public function __get($name) {
|
|
|
return $this->config[$name];
|
|
|
}
|
|
|
|
|
|
public function __set($name,$value){
|
|
|
if(isset($this->config[$name])) {
|
|
|
$this->config[$name] = $value;
|
|
|
if($name == 'driverConfig'){
|
|
|
//改变驱动配置后重置上传驱动
|
|
|
//注意：必须选改变驱动然后再改变驱动配置
|
|
|
$this->setDriver();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public function __isset($name){
|
|
|
return isset($this->config[$name]);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取最后一次上传错误信息
|
|
|
* @return string 错误信息
|
|
|
*/
|
|
|
public function getError(){
|
|
|
return $this->error;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 上传单个文件
|
|
|
* @param array $file 文件数组
|
|
|
* @return array 上传成功后的文件信息
|
|
|
*/
|
|
|
public function uploadOne($file){
|
|
|
$info = $this->upload(array($file));
|
|
|
return $info ? $info[0] : $info;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 上传文件
|
|
|
* @param 文件信息数组 $files ，通常是 $_FILES数组
|
|
|
*/
|
|
|
public function upload($files='') {
|
|
|
if('' === $files){
|
|
|
$files = $_FILES;
|
|
|
}
|
|
|
if(empty($files)){
|
|
|
$this->error = '没有上传的文件！';
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 检测上传根目录 */
|
|
|
if(!$this->uploader->checkRootPath($this->rootPath)){
|
|
|
$this->error = $this->uploader->getError();
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 检查上传目录 */
|
|
|
if(!$this->uploader->checkSavePath($this->savePath)){
|
|
|
$this->error = $this->uploader->getError();
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 逐个检测并上传文件 */
|
|
|
$info = array();
|
|
|
if(function_exists('finfo_open')){
|
|
|
$finfo = finfo_open ( FILEINFO_MIME_TYPE );
|
|
|
}
|
|
|
// 对上传文件数组信息处理
|
|
|
$files = $this->dealFiles($files);
|
|
|
foreach ($files as $key => $file) {
|
|
|
$file['name'] = strip_tags($file['name']);
|
|
|
if(!isset($file['key'])) $file['key'] = $key;
|
|
|
/* 通过扩展获取文件类型，可解决FLASH上传$FILES数组返回文件类型错误的问题 */
|
|
|
if(isset($finfo)){
|
|
|
$file['type'] = finfo_file ( $finfo , $file['tmp_name'] );
|
|
|
}
|
|
|
|
|
|
/* 获取上传文件后缀，允许上传无后缀文件 */
|
|
|
$file['ext'] = pathinfo($file['name'], PATHINFO_EXTENSION);
|
|
|
|
|
|
/* 文件上传检测 */
|
|
|
if (!$this->check($file)){
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
/* 获取文件hash */
|
|
|
if($this->hash){
|
|
|
$file['md5'] = md5_file($file['tmp_name']);
|
|
|
$file['sha1'] = sha1_file($file['tmp_name']);
|
|
|
}
|
|
|
|
|
|
/* 调用回调函数检测文件是否存在 */
|
|
|
$data = call_user_func($this->callback, $file);
|
|
|
if( $this->callback && $data ){
|
|
|
if ( file_exists('.'.$data['path']) ) {
|
|
|
$info[$key] = $data;
|
|
|
continue;
|
|
|
}elseif($this->removeTrash){
|
|
|
call_user_func($this->removeTrash,$data);//删除垃圾据
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/* 生成保存文件名 */
|
|
|
$savename = $this->getSaveName($file);
|
|
|
if(false == $savename){
|
|
|
continue;
|
|
|
} else {
|
|
|
$file['savename'] = $savename;
|
|
|
}
|
|
|
|
|
|
/* 检测并创建子目录 */
|
|
|
$subpath = $this->getSubPath($file['name']);
|
|
|
if(false === $subpath){
|
|
|
continue;
|
|
|
} else {
|
|
|
$file['savepath'] = $this->savePath . $subpath;
|
|
|
}
|
|
|
|
|
|
/* 对图像文件进行严格检测 */
|
|
|
$ext = strtolower($file['ext']);
|
|
|
if(in_array($ext, array('gif','jpg','jpeg','bmp','png','swf'))) {
|
|
|
$imginfo = getimagesize($file['tmp_name']);
|
|
|
if(empty($imginfo) || ($ext == 'gif' && empty($imginfo['bits']))){
|
|
|
$this->error = '非法图像文件！';
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/* 保存文件 并记录保存成功的文件 */
|
|
|
if ($this->uploader->save($file,$this->replace)) {
|
|
|
unset($file['error'], $file['tmp_name']);
|
|
|
$info[$key] = $file;
|
|
|
} else {
|
|
|
$this->error = $this->uploader->getError();
|
|
|
}
|
|
|
}
|
|
|
if(isset($finfo)){
|
|
|
finfo_close($finfo);
|
|
|
}
|
|
|
return empty($info) ? false : $info;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 转换上传文件数组变量为正确的方式
|
|
|
* @access private
|
|
|
* @param array $files 上传的文件变量
|
|
|
* @return array
|
|
|
*/
|
|
|
private function dealFiles($files) {
|
|
|
$fileArray = array();
|
|
|
$n = 0;
|
|
|
foreach ($files as $key=>$file){
|
|
|
if(is_array($file['name'])) {
|
|
|
$keys = array_keys($file);
|
|
|
$count = count($file['name']);
|
|
|
for ($i=0; $i<$count; $i++) {
|
|
|
$fileArray[$n]['key'] = $key;
|
|
|
foreach ($keys as $_key){
|
|
|
$fileArray[$n][$_key] = $file[$_key][$i];
|
|
|
}
|
|
|
$n++;
|
|
|
}
|
|
|
}else{
|
|
|
$fileArray = $files;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
return $fileArray;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 设置上传驱动
|
|
|
* @param string $driver 驱动名称
|
|
|
* @param array $config 驱动配置
|
|
|
*/
|
|
|
private function setDriver($driver = null, $config = null){
|
|
|
$driver = $driver ? : ($this->driver ? : C('FILE_UPLOAD_TYPE'));
|
|
|
$config = $config ? : ($this->driverConfig ? : C('UPLOAD_TYPE_CONFIG'));
|
|
|
$class = strpos($driver,'\\')? $driver : 'Think\\Upload\\Driver\\'.ucfirst(strtolower($driver));
|
|
|
$this->uploader = new $class($config);
|
|
|
if(!$this->uploader){
|
|
|
E("不存在上传驱动：{$name}");
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 检查上传的文件
|
|
|
* @param array $file 文件信息
|
|
|
*/
|
|
|
private function check($file) {
|
|
|
/* 文件上传失败，捕获错误代码 */
|
|
|
if ($file['error']) {
|
|
|
$this->error($file['error']);
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 无效上传 */
|
|
|
if (empty($file['name'])){
|
|
|
$this->error = '未知上传错误！';
|
|
|
}
|
|
|
|
|
|
/* 检查是否合法上传 */
|
|
|
if (!is_uploaded_file($file['tmp_name'])) {
|
|
|
$this->error = '非法上传文件！';
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 检查文件大小 */
|
|
|
if (!$this->checkSize($file['size'])) {
|
|
|
$this->error = '上传文件大小不符！';
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 检查文件Mime类型 */
|
|
|
//TODO:FLASH上传的文件获取到的mime类型都为application/octet-stream
|
|
|
if (!$this->checkMime($file['type'])) {
|
|
|
$this->error = '上传文件MIME类型不允许！';
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 检查文件后缀 */
|
|
|
if (!$this->checkExt($file['ext'])) {
|
|
|
$this->error = '上传文件格式错误！';
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/* 通过检测 */
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* 获取错误代码信息
|
|
|
* @param string $errorNo 错误号
|
|
|
*/
|
|
|
private function error($errorNo) {
|
|
|
switch ($errorNo) {
|
|
|
case 1:
|
|
|
$this->error = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值！';
|
|
|
break;
|
|
|
case 2:
|
|
|
$this->error = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值！';
|
|
|
break;
|
|
|
case 3:
|
|
|
$this->error = '文件只有部分被上传！';
|
|
|
break;
|
|
|
case 4:
|
|
|
$this->error = '没有文件被上传！';
|
|
|
break;
|
|
|
case 6:
|
|
|
$this->error = '找不到临时文件夹！';
|
|
|
break;
|
|
|
case 7:
|
|
|
$this->error = '文件写入失败！';
|
|
|
break;
|
|
|
default:
|
|
|
$this->error = '未知上传错误！';
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 检查文件大小是否合法
|
|
|
* @param integer $size 数据
|
|
|
*/
|
|
|
private function checkSize($size) {
|
|
|
return !($size > $this->maxSize) || (0 == $this->maxSize);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 检查上传的文件MIME类型是否合法
|
|
|
* @param string $mime 数据
|
|
|
*/
|
|
|
private function checkMime($mime) {
|
|
|
return empty($this->config['mimes']) ? true : in_array(strtolower($mime), $this->mimes);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 检查上传的文件后缀是否合法
|
|
|
* @param string $ext 后缀
|
|
|
*/
|
|
|
private function checkExt($ext) {
|
|
|
return empty($this->config['exts']) ? true : in_array(strtolower($ext), $this->exts);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据上传文件命名规则取得保存文件名
|
|
|
* @param string $file 文件信息
|
|
|
*/
|
|
|
private function getSaveName($file) {
|
|
|
$rule = $this->saveName;
|
|
|
if (empty($rule)) { //保持文件名不变
|
|
|
/* 解决pathinfo中文文件名BUG */
|
|
|
$filename = substr(pathinfo("_{$file['name']}", PATHINFO_FILENAME), 1);
|
|
|
$savename = $filename;
|
|
|
} else {
|
|
|
$savename = $this->getName($rule, $file['name']);
|
|
|
if(empty($savename)){
|
|
|
$this->error = '文件命名规则错误！';
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/* 文件保存后缀，支持强制更改文件后缀 */
|
|
|
$ext = empty($this->config['saveExt']) ? $file['ext'] : $this->saveExt;
|
|
|
|
|
|
return $savename . '.' . $ext;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取子目录的名称
|
|
|
* @param array $file 上传的文件信息
|
|
|
*/
|
|
|
private function getSubPath($filename) {
|
|
|
$subpath = '';
|
|
|
$rule = $this->subName;
|
|
|
if ($this->autoSub && !empty($rule)) {
|
|
|
$subpath = $this->getName($rule, $filename) . '/';
|
|
|
|
|
|
if(!empty($subpath) && !$this->uploader->mkdir($this->savePath . $subpath)){
|
|
|
$this->error = $this->uploader->getError();
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return $subpath;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据指定的规则获取文件或目录名称
|
|
|
* @param array $rule 规则
|
|
|
* @param string $filename 原文件名
|
|
|
* @return string 文件或目录名称
|
|
|
*/
|
|
|
private function getName($rule, $filename){
|
|
|
$name = '';
|
|
|
if(is_array($rule)){ //数组规则
|
|
|
$func = $rule[0];
|
|
|
$param = (array)$rule[1];
|
|
|
foreach ($param as &$value) {
|
|
|
$value = str_replace('__FILE__', $filename, $value);
|
|
|
}
|
|
|
$name = call_user_func_array($func, $param);
|
|
|
} elseif (is_string($rule)){ //字符串规则
|
|
|
if(function_exists($rule)){
|
|
|
$name = call_user_func($rule);
|
|
|
} else {
|
|
|
$name = $rule;
|
|
|
}
|
|
|
}
|
|
|
return $name;
|
|
|
}
|
|
|
|
|
|
}
|