package org.jeecg.modules.system.controller;
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import lombok.extern.slf4j.Slf4j;
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import org.jeecg.common.api.vo.Result;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.constant.SymbolConstant;
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import org.jeecg.common.exception.JeecgBootException;
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import org.jeecg.common.util.CommonUtils;
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import org.jeecg.common.util.filter.FileTypeFilter;
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import org.jeecg.common.util.oConvertUtils;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.util.AntPathMatcher;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import org.springframework.web.servlet.HandlerMapping;
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import org.springframework.web.servlet.ModelAndView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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/**
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* <p>
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* 用户表 前端控制器
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* </p>
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*
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* @Author scott
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* @since 2018-12-20
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*/
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@Slf4j
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@RestController
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@RequestMapping("/sys/common")
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public class CommonController {
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@Value(value = "${jeecg.path.upload}")
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private String uploadpath;
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/**
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* 本地：local minio：minio 阿里：alioss
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*/
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@Value(value="${jeecg.uploadType}")
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private String uploadType;
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/**
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* @Author 政辉
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* @return
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*/
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@GetMapping("/403")
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public Result<?> noauth() {
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return Result.error("没有权限，请联系管理员授权");
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}
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/**
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* 文件上传统一方法
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* @param request
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* @param response
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* @return
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*/
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@PostMapping(value = "/upload")
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public Result<?> upload(HttpServletRequest request, HttpServletResponse response) throws Exception {
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Result<?> result = new Result<>();
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String savePath = "";
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String bizPath = request.getParameter("biz");
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//LOWCOD-2580 sys/common/upload接口存在任意文件上传漏洞
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if (oConvertUtils.isNotEmpty(bizPath)) {
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if(bizPath.contains(SymbolConstant.SPOT_SINGLE_SLASH) || bizPath.contains(SymbolConstant.SPOT_DOUBLE_BACKSLASH)){
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throw new JeecgBootException("上传目录bizPath，格式非法！");
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}
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}
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MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
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// 获取上传文件对象
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MultipartFile file = multipartRequest.getFile("file");
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if(oConvertUtils.isEmpty(bizPath)){
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if(CommonConstant.UPLOAD_TYPE_OSS.equals(uploadType)){
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//未指定目录，则用阿里云默认目录 upload
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bizPath = "upload";
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//result.setMessage("使用阿里云文件上传时，必须添加目录！");
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//result.setSuccess(false);
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//return result;
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}else{
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bizPath = "";
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}
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}
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if(CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)){
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//update-begin-author:liusq date:20221102 for: 过滤上传文件类型
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FileTypeFilter.fileTypeFilter(file);
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//update-end-author:liusq date:20221102 for: 过滤上传文件类型
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//update-begin-author:lvdandan date:20200928 for:修改JEditor编辑器本地上传
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savePath = this.uploadLocal(file,bizPath);
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//update-begin-author:lvdandan date:20200928 for:修改JEditor编辑器本地上传
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/** 富文本编辑器及markdown本地上传时，采用返回链接方式
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//针对jeditor编辑器如何使 lcaol模式，采用 base64格式存储
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String jeditor = request.getParameter("jeditor");
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if(oConvertUtils.isNotEmpty(jeditor)){
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result.setMessage(CommonConstant.UPLOAD_TYPE_LOCAL);
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result.setSuccess(true);
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return result;
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}else{
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savePath = this.uploadLocal(file,bizPath);
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}
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*/
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}else{
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//update-begin-author:taoyan date:20200814 for:文件上传改造
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savePath = CommonUtils.upload(file, bizPath, uploadType);
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//update-end-author:taoyan date:20200814 for:文件上传改造
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}
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if(oConvertUtils.isNotEmpty(savePath)){
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result.setMessage(savePath);
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result.setSuccess(true);
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}else {
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result.setMessage("上传失败！");
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result.setSuccess(false);
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}
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return result;
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}
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/**
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* 本地文件上传
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* @param mf 文件
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* @param bizPath 自定义路径
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* @return
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*/
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private String uploadLocal(MultipartFile mf,String bizPath){
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try {
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String ctxPath = uploadpath;
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String fileName = null;
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File file = new File(ctxPath + File.separator + bizPath + File.separator );
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if (!file.exists()) {
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// 创建文件根目录
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file.mkdirs();
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}
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// 获取文件名
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String orgName = mf.getOriginalFilename();
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orgName = CommonUtils.getFileName(orgName);
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if(orgName.indexOf(SymbolConstant.SPOT)!=-1){
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fileName = orgName.substring(0, orgName.lastIndexOf(".")) + "_" + System.currentTimeMillis() + orgName.substring(orgName.lastIndexOf("."));
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}else{
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fileName = orgName+ "_" + System.currentTimeMillis();
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}
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String savePath = file.getPath() + File.separator + fileName;
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File savefile = new File(savePath);
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FileCopyUtils.copy(mf.getBytes(), savefile);
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String dbpath = null;
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if(oConvertUtils.isNotEmpty(bizPath)){
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dbpath = bizPath + File.separator + fileName;
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}else{
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dbpath = fileName;
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}
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if (dbpath.contains(SymbolConstant.DOUBLE_BACKSLASH)) {
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dbpath = dbpath.replace(SymbolConstant.DOUBLE_BACKSLASH, SymbolConstant.SINGLE_SLASH);
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}
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return dbpath;
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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return "";
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}
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// @PostMapping(value = "/upload2")
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// public Result<?> upload2(HttpServletRequest request, HttpServletResponse response) {
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// Result<?> result = new Result<>();
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// try {
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// String ctxPath = uploadpath;
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// String fileName = null;
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// String bizPath = "files";
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// String tempBizPath = request.getParameter("biz");
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// if(oConvertUtils.isNotEmpty(tempBizPath)){
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// bizPath = tempBizPath;
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// }
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// String nowday = new SimpleDateFormat("yyyyMMdd").format(new Date());
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// File file = new File(ctxPath + File.separator + bizPath + File.separator + nowday);
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// if (!file.exists()) {
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// file.mkdirs();// 创建文件根目录
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// }
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// MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
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// MultipartFile mf = multipartRequest.getFile("file");// 获取上传文件对象
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// String orgName = mf.getOriginalFilename();// 获取文件名
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// fileName = orgName.substring(0, orgName.lastIndexOf(".")) + "_" + System.currentTimeMillis() + orgName.substring(orgName.indexOf("."));
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// String savePath = file.getPath() + File.separator + fileName;
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// File savefile = new File(savePath);
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// FileCopyUtils.copy(mf.getBytes(), savefile);
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// String dbpath = bizPath + File.separator + nowday + File.separator + fileName;
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// if (dbpath.contains("\\")) {
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// dbpath = dbpath.replace("\\", "/");
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// }
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// result.setMessage(dbpath);
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// result.setSuccess(true);
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// } catch (IOException e) {
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// result.setSuccess(false);
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// result.setMessage(e.getMessage());
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// log.error(e.getMessage(), e);
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// }
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// return result;
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// }
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/**
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* 预览图片&下载文件
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* 请求地址：http://localhost:8080/common/static/{user/20190119/e1fe9925bc315c60addea1b98eb1cb1349547719_1547866868179.jpg}
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*
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* @param request
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* @param response
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*/
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@GetMapping(value = "/static/**")
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public void view(HttpServletRequest request, HttpServletResponse response) {
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// ISO-8859-1 ==> UTF-8 进行编码转换
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String imgPath = extractPathFromPattern(request);
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if(oConvertUtils.isEmpty(imgPath) || CommonConstant.STRING_NULL.equals(imgPath)){
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return;
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}
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// 其余处理略
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InputStream inputStream = null;
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OutputStream outputStream = null;
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try {
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imgPath = imgPath.replace("..", "").replace("../","");
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if (imgPath.endsWith(SymbolConstant.COMMA)) {
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imgPath = imgPath.substring(0, imgPath.length() - 1);
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}
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String filePath = uploadpath + File.separator + imgPath;
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File file = new File(filePath);
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if(!file.exists()){
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response.setStatus(404);
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throw new RuntimeException("文件["+imgPath+"]不存在..");
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}
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// 设置强制下载不打开
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response.setContentType("application/force-download");
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response.addHeader("Content-Disposition", "attachment;fileName=" + new String(file.getName().getBytes("UTF-8"),"iso-8859-1"));
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inputStream = new BufferedInputStream(new FileInputStream(filePath));
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outputStream = response.getOutputStream();
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byte[] buf = new byte[1024];
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int len;
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while ((len = inputStream.read(buf)) > 0) {
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outputStream.write(buf, 0, len);
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}
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response.flushBuffer();
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} catch (IOException e) {
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log.error("预览文件失败" + e.getMessage());
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response.setStatus(404);
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e.printStackTrace();
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} finally {
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if (inputStream != null) {
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try {
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inputStream.close();
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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}
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if (outputStream != null) {
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try {
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outputStream.close();
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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}
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}
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}
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// /**
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// * 下载文件
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// * 请求地址：http://localhost:8080/common/download/{user/20190119/e1fe9925bc315c60addea1b98eb1cb1349547719_1547866868179.jpg}
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// *
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// * @param request
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// * @param response
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// * @throws Exception
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// */
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// @GetMapping(value = "/download/**")
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// public void download(HttpServletRequest request, HttpServletResponse response) throws Exception {
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// // ISO-8859-1 ==> UTF-8 进行编码转换
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// String filePath = extractPathFromPattern(request);
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// // 其余处理略
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// InputStream inputStream = null;
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// OutputStream outputStream = null;
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// try {
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// filePath = filePath.replace("..", "");
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// if (filePath.endsWith(",")) {
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// filePath = filePath.substring(0, filePath.length() - 1);
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// }
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// String localPath = uploadpath;
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// String downloadFilePath = localPath + File.separator + filePath;
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// File file = new File(downloadFilePath);
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// if (file.exists()) {
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// response.setContentType("application/force-download");// 设置强制下载不打开
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// response.addHeader("Content-Disposition", "attachment;fileName=" + new String(file.getName().getBytes("UTF-8"),"iso-8859-1"));
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// inputStream = new BufferedInputStream(new FileInputStream(file));
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// outputStream = response.getOutputStream();
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// byte[] buf = new byte[1024];
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// int len;
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// while ((len = inputStream.read(buf)) > 0) {
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// outputStream.write(buf, 0, len);
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// }
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// response.flushBuffer();
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// }
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//
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// } catch (Exception e) {
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// log.info("文件下载失败" + e.getMessage());
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// // e.printStackTrace();
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// } finally {
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// if (inputStream != null) {
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// try {
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// inputStream.close();
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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// }
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// if (outputStream != null) {
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// try {
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// outputStream.close();
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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// }
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// }
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//
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// }
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/**
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* @功能：pdf预览Iframe
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* @param modelAndView
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* @return
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*/
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@RequestMapping("/pdf/pdfPreviewIframe")
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public ModelAndView pdfPreviewIframe(ModelAndView modelAndView) {
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modelAndView.setViewName("pdfPreviewIframe");
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return modelAndView;
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}
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/**
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* 把指定URL后的字符串全部截断当成参数
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* 这么做是为了防止URL中包含中文或者特殊字符（/等）时，匹配不了的问题
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* @param request
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* @return
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*/
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private static String extractPathFromPattern(final HttpServletRequest request) {
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String path = (String) request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
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String bestMatchPattern = (String) request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE);
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return new AntPathMatcher().extractPathWithinPattern(bestMatchPattern, path);
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}
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}
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