<?php
namespace jqstu;class Jqfile{
function file_one_img_upload($name,$save_path='',$allow_type=array(),$big_size=2000000){
$file=$_FILES[$name];
if ($file['error']> 0){
$errormsg= self::file_upload_error($file['error']);
Jqutil::JqException("{$errormsg}");
}
// 设置文件上传限制
if ($file['size']>=$big_size){
Jqutil::JqException("filesize not match");
}
$file['save_size']=self::file_sizecount($file['size']);
//文件后缀
$file['ext']=strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
//检查文件类型
$allow_type=array_merge($allow_type,array('jpg','jpeg','png','pjpeg','gif'));
if (!in_array($file['ext'] ,$allow_type)){
Jqutil::JqException("mimetype to upload is not allowed");
}
//文件存放的目录
if (empty($save_path)){
$file['save_path'] = "img" .DS. date('Y/m/');
}else{
$file['save_path'] = self::parse_path($save_path);
}
if ( !self::mkdirs( $file['save_path'])) {
Jqutil::JqException("{$file['save_path']} Failed to create ，Insufficient permissions ");
}
//文件名字
$file['save_name']=self::file_name_build().".".$file['ext'];
//保存文件完整地址
$file['save_path_name']=$file['save_path'].$file['save_name'];// if (is_file($file['save_path_name'])){// Jqutil::JqException("has the same filename: {$file['save_path_name']}");// }else{// move_uploaded_file($file['tmp_name'],$file['save_path_name']);// }
if (is_file($file['save_path_name'])){
unlink($file['save_path_name']);
}
if (!file_put_contents($file['save_path_name'],file_get_contents($file['tmp_name'], FILE_APPEND))){
$file['status']=502;
} else{
if (filesize($file['save_path_name'])==$file['size']){
$file['status']=200;
}else{
$file['status']=502;
}
}
return $file;
}
/**
* @return string
*/
public function file_name_build(){
return $savename = date('Ymd').md5(microtime(true));
}
/**
* @param $imgUrl
* @param string $limit
* @param string $path
* @return string
* @throws \Exception
*/
function file_remote_attach_fetch($imgUrl , $limit = '5000', $path = ''){
$http=new JqHttp();
$resp = $http->ihttp_get($imgUrl);
//获取请求头并检测死链
if (intval($resp['code']) != 200){
Jqutil::JqException("提取文件失败: 未找到该资源文件.");
}
$ext = $type = '';
switch ($resp['headers']['Content-Type']) {
case 'application/x-jpg':
case 'image/jpg':
case 'image/jpeg':
$ext = 'jpg';
$type = 'images';
break;
case 'image/png':
$ext = 'png';
$type = 'images';
break;
case 'image/gif':
$ext = 'gif';
$type = 'images';
break;
case 'video/mp4':
case 'video/mpeg4':
$ext = 'mp4';
$type = 'videos';
break;
case 'video/x-ms-wmv':
$ext = 'wmv';
$type = 'videos';
break;
case 'audio/mpeg':
$ext = 'mp3';
$type = 'audios';
break;
case 'audio/mp4':
$ext = 'mp4';
$type = 'audios';
break;
case 'audio/x-ms-wma':
$ext = 'wma';
$type = 'audios';
break;
default:
Jqutil::JqException("提取资源失败, 资源文件类型错误");
break;
}
if (empty($path)){
$path = $type . "/" . date('Y/m/');
}else{
$path = self::parse_path($path);
}
if ( !self::mkdirs( $path)) {
Jqutil::JqException("提取文件失败: 权限不足.");
}
$limit = $limit * 1024;
if (intval($resp['headers']['Content-Length']) > $limit) {
Jqutil::JqException('上传的媒体文件过大(' . self::file_sizecount($resp['headers']['Content-Length']) . ' > ' . self::sizecount($limit));
}
$filename = self::file_random_name( $path, $ext);
$pathname = $path . $filename;
$fullname = $pathname;
if (file_put_contents($fullname, $resp['content']) == false) {
Jqutil::JqException("提取失败");
}
return $pathname;
}
/**
* @param $dir
* @param $ext
* @return string
*/
function file_random_name($dir, $ext) {
do {
$filename = date('Ymdhis').mt_rand(100,999) . '.' . $ext;
} while (file_exists($dir . $filename));
return $filename;
}
/**
* @param $size
* @return string
*/
function file_sizecount($size) {
if($size >= 1073741824) {
$size = round($size / 1073741824 * 100) / 100 . ' GB';
} elseif($size >= 1048576) {
$size = round($size / 1048576 * 100) / 100 . ' MB';
} elseif($size >= 1024) {
$size = round($size / 1024 * 100) / 100 . ' KB';
} else {
$size = $size . ' Bytes';
}
return $size;
}
/**
* @param $errorNo
* @return string
*/
private function file_upload_error($errorNo){
switch ($errorNo) {
case 1:
case 2:
$error = 'upload File size exceeds the maximum value';
break;
case 3:
$error = 'only the portion of file is uploaded';
break;
case 4:
$error = 'no file to uploaded';
break;
case 6:
$error = 'upload temp dir not found';
break;
case 7:
$error = 'file write error';
break;
default:
$error = 'unknown upload error';
}
return $error;
}
/**
* @param $path
* @return bool
*/
function mkdirs($path) {
if (is_dir($path)) {
return true;
}
if (mkdir($path, 0755, true)) {
return true;
} else {
return false;
}
}
/**
* @param $path
* @return bool
*/
function parse_path($path) {
$danger_char = array('../', '{php', '<?php', '<%', '<?', '..\\', '\\\\' ,'\\', '..\\\\', '%00', '\0', '\r');
foreach ($danger_char as $char) {
if (Jqutil::strexists($path, $char)) {
return false;
}
}
return $path;
}}
发表评论 取消回复