package com.ycl.util;
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import com.baomidou.mybatisplus.core.toolkit.StringUtils;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.ycl.api.CommonResult;
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import com.ycl.dto.v1.Req.FirstReq;
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import com.ycl.dto.v1.Req.SecondReq;
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import com.ycl.dto.v1.Res.FirstRes;
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import com.ycl.utils.MD5Util;
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import lombok.SneakyThrows;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.*;
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import org.springframework.http.client.ClientHttpResponse;
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import org.springframework.http.client.SimpleClientHttpRequestFactory;
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import org.springframework.stereotype.Component;
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import org.springframework.web.client.DefaultResponseErrorHandler;
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import org.springframework.web.client.RestTemplate;
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import java.net.URI;
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@Component
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public class VideoUtil {
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@Value("${videoPoint.url}")
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private String url;
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@Value("${videoPoint.userName}")
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private String userName;
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@Value("${videoPoint.passWord}")
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private String passWord;
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@Value("${videoPoint.ip}")
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private String ip;
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@SneakyThrows
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public String getVideo(String code, String scheme,Integer subType) {
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String clientType = "winpc";
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String reqUrl = "/videoService/accounts/authorize";
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String deviceUrl = "/videoService/devicesManager/devices";
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String monitorUrl = "/videoService/realmonitor/uri?subType=" + subType + "&scheme=" + scheme + "&channelId=";
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RestTemplate restTemplate = new RestTemplate();
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restTemplate.setErrorHandler(new DefaultResponseErrorHandler() {
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@Override
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public boolean hasError(HttpStatus status) {
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return super.hasError(status);
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}
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@Override
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public void handleError(URI url, HttpMethod method, ClientHttpResponse response) {
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}
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});
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SimpleClientHttpRequestFactory simpleClientHttpRequestFactory = new SimpleClientHttpRequestFactory();
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simpleClientHttpRequestFactory.setOutputStreaming(false);
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restTemplate.setRequestFactory(simpleClientHttpRequestFactory);
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//请求头
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HttpHeaders httpHeaders = new HttpHeaders();
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httpHeaders.setContentType(MediaType.APPLICATION_JSON);
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//第一次权限请求体
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FirstReq firstReq = new FirstReq();
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firstReq.setIpAddress(ip);
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firstReq.setUserName(userName);
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firstReq.setClientType(clientType);
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ObjectMapper objectMapper = new ObjectMapper();
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HttpEntity<String> firstEntity = new HttpEntity<>(objectMapper.writeValueAsString(firstReq), httpHeaders);
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ResponseEntity<String> responseEntity = restTemplate.postForEntity(url + reqUrl, firstEntity, String.class);
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FirstRes firstRes = objectMapper.readValue(responseEntity.getBody(), FirstRes.class);
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String signature = MD5Util.md5Encrypt(passWord);
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signature = MD5Util.md5Encrypt(userName + signature);
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signature = MD5Util.md5Encrypt(signature);
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signature = MD5Util.md5Encrypt(userName + ":" + firstRes.getRealm() + ":" + signature);
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signature = MD5Util.md5Encrypt(signature + ":" + firstRes.getRandomKey());
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SecondReq secondReq = new SecondReq();
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secondReq.setIpAddress(ip);
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secondReq.setEncryptType(firstRes.getEncryptType());
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secondReq.setSignature(signature);
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secondReq.setRandomKey(firstRes.getRandomKey());
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secondReq.setClientType(clientType);
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secondReq.setUserName(userName);
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HttpEntity<String> secondEntity = new HttpEntity<>(objectMapper.writeValueAsString(secondReq), httpHeaders);
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ResponseEntity<String> secondResEntity = restTemplate.postForEntity(url + reqUrl, secondEntity, String.class);
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HttpHeaders deviceHeaders = new HttpHeaders();
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deviceHeaders.add("X-Subject-Token", objectMapper.readTree(secondResEntity.getBody()).get("token").textValue());
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HttpEntity<Object> deviceEntity = new HttpEntity<>(deviceHeaders);
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ResponseEntity<String> exchange = restTemplate.exchange(url + deviceUrl + "/" + code, HttpMethod.GET, deviceEntity, String.class);
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String channelId = objectMapper.readTree(objectMapper.readTree(objectMapper.readTree(exchange.getBody()).get("encoderUnit").toString()).get("channels").get(0).toString()).get("channelId").textValue();
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ResponseEntity<String> monitorReq = restTemplate.exchange(url + monitorUrl + channelId, HttpMethod.GET, deviceEntity, String.class);
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return objectMapper.readTree(monitorReq.getBody()).get("url").textValue();
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}
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}
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