oss获取图方式修改

zhanghua

2025-02-06 55793861746f0a8dd74b84d444a60c43f982b255

 ycl-platform/src/main/java/com/ycl/controller/platformApi/AlarmController.java

@@ -1,11 +1,27 @@
package com.ycl.controller.platformApi;

import cn.hutool.json.JSONConverter;
import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyuncs.exceptions.ClientException;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.ycl.annotation.LogSave;
import com.ycl.api.CommonResult;
import com.ycl.dto.video.AlarmParam;
import com.ycl.dto.video.HKAlarmParam;
import com.ycl.entity.video.VideoPoint;
import com.ycl.enums.common.ResultCode;
import com.ycl.service.video.IVideoAlarmReportService;
import com.ycl.service.video.impl.IVideoPointService;
import com.ycl.util.VideoUtil;
import com.ycl.utils.ConstantPropertiesUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;
@@ -14,11 +30,15 @@
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.bind.DatatypeConverter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.*;

/**
 * @author admin
@@ -27,7 +47,10 @@
@RestController
@RequestMapping("/API")
public class AlarmController {
    private IVideoPointService videoPointService;
    private IVideoAlarmReportService videoAlarmReportService;

    private static Dictionary<String, Integer> sessionDic = new Hashtable<>();

    @Autowired
    private VideoUtil videoUtil;
@@ -37,10 +60,26 @@
        this.videoAlarmReportService = videoAlarmReportService;
    }

    @Autowired
    public void setVideoPointService(IVideoPointService videoPointService) {
        this.videoPointService = videoPointService;
    }

    @ApiOperation("视频报警推送API")
    @PostMapping("/AlarmReport")
    @LogSave(operationType = "报警管理", contain = "视频报警推送")
    public CommonResult alarmReport(@RequestBody @Validated AlarmParam alarmParam) {
//        System.out.println("保存报警数据：" + JSONObject.toJSONString(alarmParam));
        videoAlarmReportService.save(alarmParam);
        return new CommonResult(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage());
    }

    @ApiOperation("海康视频报警推送API")
    @PostMapping("/HK/alarmReport")
    @LogSave(operationType = "报警管理", contain = "海康视频报警推送")
    public CommonResult hkAlarmReport(@RequestBody @Validated HKAlarmParam alarmParam) {
//        System.out.println("海康视频报警推送API：" + JSONObject.toJSONString(alarmParam));
        videoAlarmReportService.saveFromHK(alarmParam);
        return new CommonResult(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage());
    }

@@ -50,13 +89,34 @@
    public CommonResult getMonitorAddress(@PathVariable String code, @PathVariable Integer subType,
                                          @RequestParam(required = false) String scheme) {

        if (subType == null) {
            subType = 1;
        LambdaQueryWrapper<VideoPoint> queryWrapper = new LambdaQueryWrapper<VideoPoint>()
                .eq(VideoPoint::getPlatResourceId, code)
                .or().eq(VideoPoint::getCode, code);
        List<VideoPoint> pointList = videoPointService.list(queryWrapper);
        if (pointList.size() > 0) {
            VideoPoint videoPoint = pointList.get(0);
            if (videoPoint.getType() == 1) {
//                videoUtil.getKHPresets(code);
                return CommonResult.successApi(videoUtil.getKHVideo(code));
            } else {
                if (subType == null) {
                    subType = 1;
                }
                if (!StringUtils.isNotBlank(scheme)) {
                    scheme = "RTSP";
                }
                return CommonResult.successApi(videoUtil.getVideo(code, scheme, subType));
            }
        } else {

            if (subType == null) {
                subType = 1;
            }
            if (!StringUtils.isNotBlank(scheme)) {
                scheme = "RTSP";
            }
            return CommonResult.successApi(videoUtil.getVideo(code, scheme, subType));
        }
        if (!StringUtils.isNotBlank(scheme)) {
            scheme = "RTSP";
        }
        return CommonResult.successApi(videoUtil.getVideo(code, scheme, subType));
    }


@@ -64,28 +124,139 @@
    @GetMapping(value = "/img", produces = {MediaType.IMAGE_JPEG_VALUE, MediaType.IMAGE_PNG_VALUE})
//    @GetMapping(value = "/img")
    @ResponseBody
    public byte[] getImages(HttpServletResponse response, @RequestParam String fileUrl,
                            @RequestParam(required = false) String OSSAccessKeyId,
    public byte[] getImages(HttpServletRequest request, HttpServletResponse response,
                            @RequestParam String fileUrl, @RequestParam(required = false) String OSSAccessKeyId,
                            @RequestParam(required = false) String Signature) {
        if (StringUtils.isNotBlank(fileUrl)) {
            String sessionId = request.getSession().getId();
            sessionDic.put(sessionId, 0);
            return getBytes(fileUrl, OSSAccessKeyId, Signature, sessionId);
        } else {
            return null;
        }
    }

    @ApiOperation(value = "获取图片")
    @GetMapping(value = "/img/base64")
//    @GetMapping(value = "/img")
    @ResponseBody
    public String getImagesBase64(HttpServletRequest request, HttpServletResponse response,
                                  @RequestParam String fileUrl, @RequestParam(required = false) String OSSAccessKeyId,
                                  @RequestParam(required = false) String Signature) {
        String sessionId = request.getSession().getId();
        sessionDic.put(sessionId, 0);
        byte[] bytes = getBytes(fileUrl, OSSAccessKeyId, Signature, sessionId);
        String base64 = DatatypeConverter.printBase64Binary(bytes);
        return base64;
    }

    @GetMapping(value = "/index")
    @ResponseBody
    public String getImages(HttpServletRequest request, HttpServletResponse response) {
        return "遂昌综合执法平台";

    }

    private URL translateOSSUrl(String fileUrl) {
        OSS ossClient = null;
        try {
            URL url = new URL(fileUrl);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(10 * 1000);
            conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
            String endpoint = ConstantPropertiesUtils.END_POINT;
            String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
            String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
            String bucketName = ConstantPropertiesUtils.BUCKET_NAME;

            InputStream inputStream = conn.getInputStream();// 通过输入流获取图片数据
            String[] urlArray = fileUrl.split("Expires=");

            byte[] data = readInputStream(inputStream);
            return data;
            String[] urlArray2 = urlArray[0].split("aliyuncs.com/");

        } catch (Exception e) {
            System.out.println("获取图片失败：" + e.getMessage());
            e.printStackTrace();
            String objectName = urlArray2[1].replace("?", "");

            ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

            // 设置签名URL过期时间，单位为毫秒。本示例以设置过期时间为1小时为例。
            Date expiration = new Date(new Date().getTime() + 3600 * 1000L);
            // 生成以GET方法访问的签名URL。本示例没有额外请求头，其他人可以直接通过浏览器访问相关内容。
            URL url = ossClient.generatePresignedUrl(bucketName, objectName, expiration);

            return url;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return null;
    }

    private byte[] getBytes(String fileUrl, String OSSAccessKeyId, String Signature, String sessionId) {
        int index = sessionDic.get(sessionId);
        try {
            if (sessionDic.get(sessionId) < 10) {
                sessionDic.remove(sessionId);
                URL url = translateOSSUrl(fileUrl);
//                fileUrl = fileUrl.replace("Expires", "v");
////                System.out.println("getImages获取图片地址：" + fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature);
//                URL url = null;
//                if (StringUtils.isNotBlank(OSSAccessKeyId) && StringUtils.isNotBlank(Signature)) {
//                    url = new URL(fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature);
//                } else {
//                    url = new URL(fileUrl);
//                }

                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setRequestMethod("GET");
                conn.setConnectTimeout(10 * 1000);
                conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");

                InputStream inputStream = conn.getInputStream();// 通过输入流获取图片数据

                byte[] data = readInputStream(inputStream);
//                System.out.println("getImages获取图片成功");

                return data;
            }
        } catch (Exception e) {
            index++;
            sessionDic.put(sessionId, index);
            System.out.println(index + "-getImages获取图片失败：" + e.getMessage());
            e.printStackTrace();
            getBytes(fileUrl, OSSAccessKeyId, Signature, sessionId);

        }
        return null;
    }

    private static String inputStream2Base64(InputStream is) throws Exception {
        byte[] data = null;
        try {
            ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
            byte[] buff = new byte[100];
            int rc = 0;
            while ((rc = is.read(buff, 0, 100)) > 0) {
                swapStream.write(buff, 0, rc);
            }
            data = swapStream.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    throw new Exception("输入流关闭异常");
                }
            }
        }

        return Base64.getEncoder().encodeToString(data);
    }

    private byte[] readInputStream(InputStream inStream) throws Exception {
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        //创建一个Buffer字符串