From 2db1aa88e8ab53096a936163d686b90d8e056a99 Mon Sep 17 00:00:00 2001
From: rain <167982779@qq.com>
Date: Wed, 21 Aug 2024 23:18:33 +0800
Subject: [PATCH] 国土对接返回信息加密

---
 src/main/java/com/dji/sample/territory/service/impl/TbFjServiceImpl.java |  105 +++++++++++++++++++++++++++++++---------------------
 1 files changed, 62 insertions(+), 43 deletions(-)

diff --git a/src/main/java/com/dji/sample/territory/service/impl/TbFjServiceImpl.java b/src/main/java/com/dji/sample/territory/service/impl/TbFjServiceImpl.java
index 816a922..ea0fff8 100644
--- a/src/main/java/com/dji/sample/territory/service/impl/TbFjServiceImpl.java
+++ b/src/main/java/com/dji/sample/territory/service/impl/TbFjServiceImpl.java
@@ -1,43 +1,41 @@
 package com.dji.sample.territory.service.impl;
 
+import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.dynamic.datasource.annotation.DS;
-import com.dji.sample.media.model.MediaFileEntity;
+import com.dji.sample.media.dao.IMarkMapper;
+import com.dji.sample.media.model.*;
+import com.dji.sample.media.service.IFileService;
+import com.dji.sample.media.util.ImgUtil;
 import com.dji.sample.patches.config.pojo.PatchesConfigPojo;
 import com.dji.sample.patches.model.entity.LotInfo;
 import com.dji.sample.territory.dao.ITbFjMapper;
 import com.dji.sample.territory.model.entity.TbFjEntity;
+import com.dji.sample.territory.pojo.TerritoryConfigPojo;
 import com.dji.sample.territory.service.ITbFJService;
-import com.dji.sample.territory.utils.HashUtil;
-import com.dji.sample.territory.utils.Sm3Util;
-import com.dji.sample.territory.utils.VideoZipUtil;
-import com.dji.sample.territory.utils.WaterMarkUtil;
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
+import com.dji.sample.territory.utils.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.imageio.ImageIO;
-import javax.xml.crypto.Data;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.net.HttpURLConnection;
 import java.net.URL;
-import java.text.SimpleDateFormat;
+import java.nio.file.Files;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 import java.util.UUID;
 
-import static com.dji.sample.territory.utils.CoordinateSystemUtil.*;
-import static com.dji.sample.territory.utils.SM2SignUtil.getSM2PrivateKey;
-import static com.dji.sample.territory.utils.SM2SignUtil.signWithSM2;
+import static com.dji.sample.media.service.impl.FileServiceImpl.uploadFile;
+import static com.dji.sample.territory.utils.SM3.sm3;
 
 @Service
 @DS("sqlite-ret")
@@ -46,7 +44,14 @@
     private ITbFjMapper tbFjMapper;
     @Autowired
     private PatchesConfigPojo patchesConfigPojo;
-
+    @Autowired
+    private TerritoryConfigPojo territoryConfigPojo;
+    @Autowired
+    private MinioPojo pojo;
+    @Autowired
+    private IFileService fileService;
+    @Autowired
+    private WaterMarkUtil waterMarkUtil;
     /**
      * 按照地块编号所对应的信息和音视频文件存入sqlite数据库
      *
@@ -70,11 +75,10 @@
         return count;
     }
 
-    public void insertOneData(MediaFileEntity mediaFile, LotInfo lotInfo) throws Exception {
+    public int insertOneData(MediaFileEntity mediaFile, LotInfo lotInfo) throws Exception {
         TbFjEntity tbFj = dbConvertToEntity(mediaFile, lotInfo);
-        if (tbFj.getFjysgd()==3000){
             tbFjMapper.insert(tbFj);
-        }
+        return 0;
     }
 
     @Override
@@ -102,11 +106,14 @@
         JSONObject shootPosition = jsonObject.getJSONObject("shootPosition");
         Double lat = shootPosition.getDouble("lat");
         Double lng = shootPosition.getDouble("lng");
+        PositionDTO position=new PositionDTO();
+        position.setLat(lat);
+        position.setLng(lng);
 //        double[] coordinates = extractCoordinates(pointWGStoCGCS(lng, lat));
 //        double x = Double.parseDouble(((formatCoordinate(coordinates[1]))));
 //        double y = Double.parseDouble(((formatCoordinate(coordinates[0]))));
         //本地数据库没有的数据在FJ表非空用0
-        int psjd = 0;
+        double psjd = WaterMarkUtil.convertAngle(gimbalYawDegree);
         int pshgj = 0;
         String psry = "中图智绘无人机";
         String zsdm = "23C8CCC61E3042FBA6A658F319337B1A";
@@ -120,26 +127,33 @@
         String head = "http://dev.jxpskj.com:9000/cloud-bucket";
         String url = head + key;
         File file = downloadFile(url);
-        String fjhxz = HashUtil.SM3Hash(file);
+        JSONObject jsons = (JSONObject) (ImgUtil.getInfo(file));
+        String str = jsons.toJSONString();
+        String newstr = str.replace("+", "");
+        JSONObject json = JSON.parseObject(newstr);
+        double pitch = json.getDouble("GimbalPitchDegree");
+        String focal = json.getString("FocalLength");
+        String numberPart = focal.replaceAll("[^\\d]", "");
+        int psjj = Integer.parseInt(numberPart);
+        json.getString("GimbalYawDegree");
         BufferedImage image = ImageIO.read(file);
         int width = image.getWidth();
         int height = image.getHeight();
+        String fjhxz = null;
         //对应图片和视频文件进行不同处理
         boolean endsWith = key.endsWith(".mp4");
         if (!endsWith) {
-            file1 = WaterMarkUtil.addWatermark(file,  sj, lat, lng, gimbalYawDegree);
+            file1 = WaterMarkUtil.addWatermark(file, sj, lat, lng, gimbalYawDegree,lotInfo.getType());
+            byte[] bytesArray = Files.readAllBytes(file1.toPath());
+            fjhxz= sm3(bytesArray);
             FJ = fileToByteArray(file1);
+//            fileService.saveMarkFile(lotInfo.getWorkspaceId(),mediaFile,file1);
         } else {
             file1 = VideoZipUtil.compressVideo(file, 800000, 128000, 1280, 720);
             FJ = fileToByteArray(file1);
         }
-        String sm3 = Sm3Util.calculateSM3Hash(fjhxz + "," + pssj + "," + lng + "," + lat + "," + gimbalYawDegree + "," + psjd + "," + pshgj + "," + psry + "," + zsdm);
-
-        byte[] hash = sm3.getBytes(); // 注意:使用SM3或其他哈希算法来计算数据的哈希值
-        // 加载私钥
-        ECPrivateKeyParameters sm2PrivateKey = getSM2PrivateKey();
-        // 使用SM2私钥对哈希值进行签名
-        String signatureHex = signWithSM2(hash, sm2PrivateKey);
+        StringBuffer buffer=SM3.addStringBuffer(fjhxz,pssj,truncateToSevenDecimalPlaces(lng),truncateToSevenDecimalPlaces(lat),(int)pitch,(int)psjd,pshgj,psry,zsdm);
+        String jyms= SM3.addJym(buffer);
         TbFjEntity.TbFjEntityBuilder builder = TbFjEntity.builder();
         if (lotInfo != null) {
             builder.bsm(bsm)
@@ -151,16 +165,17 @@
                     .Latitude(truncateToSevenDecimalPlaces(lat))
                     .longitude(truncateToSevenDecimalPlaces(lng))
                     .fj(FJ)
+                    .psjj(psjj)
                     .fjmc(fjmc)
                     .fjlx(fjlx)
-                    .psfyj(gimbalYawDegree)
+                    .psfyj(pitch)
                     .pssj(pssj)
-                    .psjd(psjd)
+                    .psjd((int) psjd)
                     .fjhxz(fjhxz)
                     .pshgj(pshgj)
                     .zsdm(zsdm)
                     .psry(psry)
-                    .jym(signatureHex)
+                    .jym(jyms)
                     .url(url)
                     .pstz(pstz)
                     .fjyskd(width)
@@ -170,29 +185,36 @@
 //        else {
 ////            throw new IllegalArgumentException("未匹配到相关地块");
 //        }
+        file.delete();
         return builder.build();
     }
 
     /**
-     * 将音视频文件转换成字节流
+     * 文件下载
      *
      * @param fileUrl
      * @return
      */
     public static File downloadFile(String fileUrl) {
         File downloadedFile = null;
+
         try {
             URL url = new URL(fileUrl);
             HttpURLConnection connection = (HttpURLConnection) url.openConnection();
             connection.setRequestMethod("GET");
-            downloadedFile = new File(File.createTempFile("temp", ".jpeg").toURI());
-            InputStream inputStream = connection.getInputStream();
-            OutputStream outputStream = new FileOutputStream(downloadedFile);
-            byte[] buffer = new byte[1024];
-            int bytesRead;
-            while ((bytesRead = inputStream.read(buffer)) != -1) {
-                outputStream.write(buffer, 0, bytesRead);
 
+            // 创建临时文件
+            File tempFile = File.createTempFile("temp", ".jpeg");
+            downloadedFile = tempFile;
+
+            // 使用 try-with-resources 确保流被关闭
+            try (InputStream inputStream = connection.getInputStream();
+                 OutputStream outputStream = new FileOutputStream(downloadedFile)) {
+                byte[] buffer = new byte[1024];
+                int bytesRead;
+                while ((bytesRead = inputStream.read(buffer)) != -1) {
+                    outputStream.write(buffer, 0, bytesRead);
+                }
             }
         } catch (IOException e) {
             e.printStackTrace();
@@ -215,7 +237,6 @@
         fis.close();
         return data;
     }
-
     public static String convertTimestampToDateTime(long timestamp) {
         // 将时间戳转换为 Instant 对象
         Instant instant = Instant.ofEpochMilli(timestamp);
@@ -229,23 +250,21 @@
     }
 
     public static Double truncateToTwoDecimalPlaces(Double value) {
+        //小数点只保留两位
         if (value == null) {
             return null;  // 处理null值情况
         }
         BigDecimal bd = new BigDecimal(value).setScale(2, RoundingMode.DOWN);
         return bd.doubleValue();
     }
+
     public static Double truncateToSevenDecimalPlaces(Double value) {
+        //小数点只保留七位
         if (value == null) {
             return null;  // 处理null值情况
         }
         BigDecimal bd = new BigDecimal(value).setScale(7, RoundingMode.DOWN);
         return bd.doubleValue();
 
-    }
-
-    public static void main(String[] args) {
-        System.out.println(truncateToSevenDecimalPlaces(152.00666565));
-        System.out.println(truncateToTwoDecimalPlaces(12.006));
     }
 }

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