增加文件完整性校验

yangys

2025-08-02 88748094ae17ca3b6423c54d307f0d5c40c8f420

 blade-service/blade-mdm/src/main/java/org/springblade/mdm/flow/service/FlowProgramFileService.java

@@ -11,18 +11,19 @@
import org.springblade.core.mp.base.BizServiceImpl;
import org.springblade.core.oss.OssTemplate;
import org.springblade.core.oss.model.BladeFile;
import org.springblade.core.tool.api.IResultCode;
import org.springblade.core.tool.utils.Func;
import org.springblade.mdm.flow.entity.FlowProgramFile;
import org.springblade.mdm.flow.mapper.FlowProgramFileMapper;
import org.springblade.mdm.flow.vo.ProgramUploadVO;
import org.springblade.mdm.program.entity.NcProgram;
import org.springblade.mdm.program.service.ProcessProgRefService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.List;

/**
 * 流程程序处理，包括上传，查询展示
@@ -31,45 +32,119 @@
 */
@Slf4j
@Service
@AllArgsConstructor
public class FlowProgramFileService extends BizServiceImpl<FlowProgramFileMapper, FlowProgramFile> {
   private final OssTemplate ossTemplate;
   private final RuntimeService runtimeService;
   private final FlowCommonService flowCommonService;
   @Autowired
   private OssTemplate ossTemplate;
   @Autowired
   private RuntimeService runtimeService;
   @Autowired
   private FlowCommonService flowCommonService;

   public void uploadFlowProgramFile(ProgramUploadVO uploadVO) {

      Map<String, Object> vars = runtimeService.getVariables(uploadVO.getProcessInstanceId());
      checkFilenames(uploadVO.getFiles(),flowCommonService.getProgramProperties(uploadVO.getProcessInstanceId()));
      FlowProgramProperties progProps= flowCommonService.getProgramProperties(uploadVO.getProcessInstanceId());
      MultipartFile file = uploadVO.getFile();
      checkFilename(file.getOriginalFilename(),progProps);

      String programName = getProgramName(progProps);

      //
      //BladeFile bfile = ossTemplate.putFile(uploadVO.getFile());
      //String link = bfile.getLink();
      //保存profame
      /*
      NcProgram prog = new NcProgram();
      prog.setCode(generageCode());
      prog.setName(file.getOriginalFilename());
      prog.setNcNodeId(uploadVO.getNodeId());
      prog.setOssName(bfile.getName());
      prog.setDrawingNo(uploadVO.getDrawingNo());
      prog.setProcessEdition(uploadVO.getProcessEdition());
      prog.setIsLastEdition(1);
      BladeFile bfile = ossTemplate.putFile(file);

       */
      FlowProgramFile progFile = new FlowProgramFile();
      progFile.setName(file.getOriginalFilename());
      progFile.setOssName(bfile.getName());
      progFile.setProcessInstanceId(uploadVO.getProcessInstanceId());

      progFile.setProgramName(programName);

      save(progFile);

   }

   public void checkFilenames(MultipartFile[] files,FlowProgramProperties programProperties){
      for (MultipartFile file : files){
         checkFilename(file.getOriginalFilename(),programProperties);
      }
   String getProgramName(FlowProgramProperties progProps){
      return progProps.getDrawingNo()+"-"+progProps.getProcessNo();
   }

   /**
    * 检查文件名合法性
    * @param filename
    * @param programProperties
    */
   void checkFilename(String filename,FlowProgramProperties programProperties){
      //程序名称：零件号加工序号，文件名应该以此开头
      String expectedProgramName = programProperties.getDrawingNo()+"-"+programProperties.getProcessNo();
      if(!StringUtils.startsWith(filename,expectedProgramName)){
         throw new ServiceException("程序文件名不合法，应为："+expectedProgramName+"-"+programProperties.getCraftEdition()+"-[段数]-[段号].[文件扩展名]");

         IResultCode rc = new IResultCode() {
            @Override
            public String getMessage() {
               return "程序文件名不合法，应为："+expectedProgramName+"-"+programProperties.getCraftEdition()+"-[段数]-[段号].[文件扩展名]";
            }

            @Override
            public int getCode() {
               return 1;
            }
         };
         throw new ServiceException(rc);
         //throw new ServiceException("程序文件名不合法，应为："+expectedProgramName+"-"+programProperties.getCraftEdition()+"-[段数]-[段号].[文件扩展名]");
      }

      //截取后面的段数和第几段
      String endPart = StringUtils.removeStart(filename,expectedProgramName+"-"+programProperties.getCraftEdition()+"-");

      //去掉扩展名
      if(endPart.contains(".")){
         endPart = endPart.substring(0,endPart.indexOf("."));
      }

      int sepCount = StringUtils.countMatches(endPart,"-");
      if(sepCount != 1){//- 号应该是1个
         IResultCode rc = new IResultCode() {
            @Override
            public String getMessage() {
               return "程序文件名不合法，应为："+expectedProgramName+"-"+programProperties.getCraftEdition()+"-[段数]-[段号].[文件扩展名]";
            }

            @Override
            public int getCode() {
               return 2;
            }
         };
         throw new ServiceException(rc);
         //throw new ServiceException("程序文件名不合法，应为："+expectedProgramName+"-"+programProperties.getCraftEdition()+"-[段数]-[段号].[文件扩展名]");
      }

      String[] arr = StringUtils.split(endPart,"-");
      if(!StringUtils.isNumeric(arr[0]) || Func.toInt(arr[0]) >99 || Func.toInt(arr[0]) < 1){
         IResultCode rc = new IResultCode() {
            @Override
            public String getMessage() {
               return "程序段数不合法，应为两位以内整数";
            }

            @Override
            public int getCode() {
               return 3;
            }
         };
         throw new ServiceException(rc);
      }
      int segCount = Func.toInt(arr[0]);

      if(!StringUtils.isNumeric(arr[1]) || Func.toInt(arr[1]) < 1 || Func.toInt(arr[1]) > segCount){
         IResultCode rc = new IResultCode() {
            @Override
            public String getMessage() {
               return "程序段号不合法，应为两位以内整数且小于等于段数。";
            }

            @Override
            public int getCode() {
               return 4;
            }
         };
         throw new ServiceException(rc);
      }
   }

@@ -94,4 +169,43 @@
      //}
      return result;
   }

   /**
    * 验证程序文件的完整性，仅在编制节点使用
    * @param processInstanceId 流程实例id
    */
   public void checkProgramFiles(String processInstanceId,boolean isPass) {
      List<FlowProgramFile> flowPrograms = this.lambdaQuery().eq(FlowProgramFile::getProcessInstanceId, processInstanceId).orderByAsc(FlowProgramFile::getCreateTime).list();
      if(isPass && flowPrograms.isEmpty()){
         throw new ServiceException("请上传程序文件");
      }
      int totalSeg = 0;
      if(!flowPrograms.isEmpty()){
         FlowProgramFile progFile = flowPrograms.get(0);
         totalSeg = getProgramSegCount(progFile.getName());
      }

      if(totalSeg != flowPrograms.size()){
         throw new ServiceException("应上传"+totalSeg+"段程序，实际上传"+flowPrograms.size()+"段");
      }

   }

   /**
    * 根据文件名获取程序总段树
    * @param filename 文件名
    * @return
    */
   int getProgramSegCount(String filename){
      int idx = filename.lastIndexOf(".");
      String tempstr = filename.substring(0,idx);//去掉扩展名
      //System.out.println(tempstr);
      idx = tempstr.lastIndexOf("-");
      tempstr = tempstr.substring(0,idx);
      //System.out.println(tempstr);
      idx = tempstr.lastIndexOf("-");
      tempstr = tempstr.substring(idx+1);
      //System.out.println(tempstr);
      return Func.toInt(tempstr);
   }
}