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【第三方接口】阿里云内容审核SDK的使用

1. 内容审核服务

内容安全是识别服务,支持对图片、视频、文本、语音等对象进行多样化场景检测,有效降低内容违规风险。

目前很多平台都支持内容检测,如阿里云、腾讯云、百度AI、网易云等国内大型互联网公司都对外提供了API。

目前用得较多的是阿里云的内容安全接口:云盾内容安全产品试用页面

1.1 文本内容审核

  • 文本垃圾内容检测:https://help.aliyun.com/document_detail/70439.html?spm=a2c4g.11186623.6.659.35ac3db3l0wV5k
  • 文本垃圾内容Java SDK: https://help.aliyun.com/document_detail/53427.html?spm=a2c4g.11186623.6.717.466d7544QbU8Lr

1.2 图片内容审核

  • 图片垃圾内容检测:https://help.aliyun.com/document_detail/70292.html?spm=a2c4g.11186623.6.616.5d7d1e7f9vDRz4
  • 图片垃圾内容Java SDK: https://help.aliyun.com/document_detail/53424.html?spm=a2c4g.11186623.6.715.c8f69b12ey35j4

2. 工具类的使用

2.1 配置文件添加

aliyun:accessKeyId: LTAI5tCWHCcfvqQzu8k2oKmXsecret: auoKUFsghimbfVQHpy7gtRyBkoR4vc
#aliyun.scenes=porn,terrorism,ad,qrcode,live,logoscenes: terrorism

2.2 工具类
GreenImageScan.java

package com.heima.common.aliyun;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.green.model.v20180509.ImageSyncScanRequest;
import com.aliyuncs.http.FormatType;
import com.aliyuncs.http.HttpResponse;
import com.aliyuncs.http.MethodType;
import com.aliyuncs.http.ProtocolType;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import com.heima.common.aliyun.util.ClientUploader;
import lombok.Getter;
import lombok.Setter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;import java.util.*;@Getter
@Setter
@Component
@ConfigurationProperties(prefix = "aliyun")
public class GreenImageScan {private String accessKeyId;private String secret;private String scenes;public Map imageScan(List<byte[]> imageList) throws Exception {IClientProfile profile = DefaultProfile.getProfile("cn-shanghai", accessKeyId, secret);DefaultProfile.addEndpoint("cn-shanghai", "cn-shanghai", "Green", "green.cn-shanghai.aliyuncs.com");IAcsClient client = new DefaultAcsClient(profile);ImageSyncScanRequest imageSyncScanRequest = new ImageSyncScanRequest();// 指定api返回格式imageSyncScanRequest.setAcceptFormat(FormatType.JSON);// 指定请求方法imageSyncScanRequest.setMethod(MethodType.POST);imageSyncScanRequest.setEncoding("utf-8");//支持http和httpsimageSyncScanRequest.setProtocol(ProtocolType.HTTP);JSONObject httpBody = new JSONObject();/*** 设置要检测的场景, 计费是按照该处传递的场景进行* 一次请求中可以同时检测多张图片,每张图片可以同时检测多个风险场景,计费按照场景计算* 例如:检测2张图片,场景传递porn、terrorism,计费会按照2张图片鉴黄,2张图片暴恐检测计算* porn: porn表示色情场景检测*/httpBody.put("scenes", Arrays.asList(scenes.split(",")));/*** 如果您要检测的文件存于本地服务器上,可以通过下述代码片生成url* 再将返回的url作为图片地址传递到服务端进行检测*//*** 设置待检测图片, 一张图片一个task* 多张图片同时检测时,处理的时间由最后一个处理完的图片决定* 通常情况下批量检测的平均rt比单张检测的要长, 一次批量提交的图片数越多,rt被拉长的概率越高* 这里以单张图片检测作为示例, 如果是批量图片检测,请自行构建多个task*/ClientUploader clientUploader = ClientUploader.getImageClientUploader(profile, false);String url = null;List<JSONObject> urlList = new ArrayList<JSONObject>();for (byte[] bytes : imageList) {url = clientUploader.uploadBytes(bytes);JSONObject task = new JSONObject();task.put("dataId", UUID.randomUUID().toString());//设置图片链接为上传后的urltask.put("url", url);task.put("time", new Date());urlList.add(task);}httpBody.put("tasks", urlList);imageSyncScanRequest.setHttpContent(org.apache.commons.codec.binary.StringUtils.getBytesUtf8(httpBody.toJSONString()),"UTF-8", FormatType.JSON);/*** 请设置超时时间, 服务端全链路处理超时时间为10秒,请做相应设置* 如果您设置的ReadTimeout小于服务端处理的时间,程序中会获得一个read timeout异常*/imageSyncScanRequest.setConnectTimeout(3000);imageSyncScanRequest.setReadTimeout(10000);HttpResponse httpResponse = null;try {httpResponse = client.doAction(imageSyncScanRequest);} catch (Exception e) {e.printStackTrace();}Map<String, String> resultMap = new HashMap<>();//服务端接收到请求,并完成处理返回的结果if (httpResponse != null && httpResponse.isSuccess()) {JSONObject scrResponse = JSON.parseObject(org.apache.commons.codec.binary.StringUtils.newStringUtf8(httpResponse.getHttpContent()));System.out.println(JSON.toJSONString(scrResponse, true));int requestCode = scrResponse.getIntValue("code");//每一张图片的检测结果JSONArray taskResults = scrResponse.getJSONArray("data");if (200 == requestCode) {for (Object taskResult : taskResults) {//单张图片的处理结果int taskCode = ((JSONObject) taskResult).getIntValue("code");//图片要检测的场景的处理结果, 如果是多个场景,则会有每个场景的结果JSONArray sceneResults = ((JSONObject) taskResult).getJSONArray("results");if (200 == taskCode) {for (Object sceneResult : sceneResults) {String scene = ((JSONObject) sceneResult).getString("scene");String label = ((JSONObject) sceneResult).getString("label");String suggestion = ((JSONObject) sceneResult).getString("suggestion");//根据scene和suggetion做相关处理//do somethingSystem.out.println("scene = [" + scene + "]");System.out.println("suggestion = [" + suggestion + "]");System.out.println("suggestion = [" + label + "]");if (!suggestion.equals("pass")) {resultMap.put("suggestion", suggestion);resultMap.put("label", label);return resultMap;}}} else {//单张图片处理失败, 原因视具体的情况详细分析System.out.println("task process fail. task response:" + JSON.toJSONString(taskResult));return null;}}resultMap.put("suggestion","pass");return resultMap;} else {/*** 表明请求整体处理失败,原因视具体的情况详细分析*/System.out.println("the whole image scan request failed. response:" + JSON.toJSONString(scrResponse));return null;}}return null;}
}

GreenTextScan.java

package com.heima.common.aliyun;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.exceptions.ServerException;
import com.aliyuncs.green.model.v20180509.TextScanRequest;
import com.aliyuncs.http.FormatType;
import com.aliyuncs.http.HttpResponse;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import lombok.Getter;
import lombok.Setter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;import java.util.*;@Getter
@Setter
@Component
@ConfigurationProperties(prefix = "aliyun")
public class GreenTextScan {private String accessKeyId;private String secret;public Map greeTextScan(String content) throws Exception {System.out.println(accessKeyId);IClientProfile profile = DefaultProfile.getProfile("cn-shanghai", accessKeyId, secret);DefaultProfile.addEndpoint("cn-shanghai", "cn-shanghai", "Green", "green.cn-shanghai.aliyuncs.com");IAcsClient client = new DefaultAcsClient(profile);TextScanRequest textScanRequest = new TextScanRequest();textScanRequest.setAcceptFormat(FormatType.JSON); // 指定api返回格式textScanRequest.setHttpContentType(FormatType.JSON);textScanRequest.setMethod(com.aliyuncs.http.MethodType.POST); // 指定请求方法textScanRequest.setEncoding("UTF-8");textScanRequest.setRegionId("cn-shanghai");List<Map<String, Object>> tasks = new ArrayList<Map<String, Object>>();Map<String, Object> task1 = new LinkedHashMap<String, Object>();task1.put("dataId", UUID.randomUUID().toString());/*** 待检测的文本,长度不超过10000个字符*/task1.put("content", content);tasks.add(task1);JSONObject data = new JSONObject();/*** 检测场景,文本垃圾检测传递:antispam**/data.put("scenes", Arrays.asList("antispam"));data.put("tasks", tasks);System.out.println(JSON.toJSONString(data, true));textScanRequest.setHttpContent(data.toJSONString().getBytes("UTF-8"), "UTF-8", FormatType.JSON);// 请务必设置超时时间textScanRequest.setConnectTimeout(3000);textScanRequest.setReadTimeout(6000);Map<String, String> resultMap = new HashMap<>();try {HttpResponse httpResponse = client.doAction(textScanRequest);if (httpResponse.isSuccess()) {JSONObject scrResponse = JSON.parseObject(new String(httpResponse.getHttpContent(), "UTF-8"));System.out.println(JSON.toJSONString(scrResponse, true));if (200 == scrResponse.getInteger("code")) {JSONArray taskResults = scrResponse.getJSONArray("data");for (Object taskResult : taskResults) {if (200 == ((JSONObject) taskResult).getInteger("code")) {JSONArray sceneResults = ((JSONObject) taskResult).getJSONArray("results");for (Object sceneResult : sceneResults) {String scene = ((JSONObject) sceneResult).getString("scene");String label = ((JSONObject) sceneResult).getString("label");String suggestion = ((JSONObject) sceneResult).getString("suggestion");System.out.println("suggestion = [" + label + "]");if (!suggestion.equals("pass")) {resultMap.put("suggestion", suggestion);resultMap.put("label", label);return resultMap;}}} else {return null;}}resultMap.put("suggestion", "pass");return resultMap;} else {return null;}} else {return null;}} catch (ServerException e) {e.printStackTrace();} catch (ClientException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();}return null;}}

2.3 测试使用
AliyunTest.java

package com.heima.wemedia;import com.heima.common.aliyun.GreenImageScan;
import com.heima.common.aliyun.GreenTextScan;
import com.heima.file.service.FileStorageService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;import java.util.Arrays;
import java.util.Map;@SpringBootTest(classes = WemediaApplication.class)
@RunWith(SpringRunner.class)
public class AliyunTest {@Autowiredprivate GreenTextScan greenTextScan;@Autowiredprivate GreenImageScan greenImageScan;@Autowiredprivate FileStorageService fileStorageService;@Testpublic void testScanText() throws Exception {Map map = greenTextScan.greeTextScan("我是一个好人,冰毒");System.out.println(map);}@Testpublic void testScanImage() throws Exception {byte[] bytes = fileStorageService.downLoadFile("http://192.168.200.130:9000/leadnews/2021/04/26/ef3cbe458db249f7bd6fb4339e593e55.jpg");Map map = greenImageScan.imageScan(Arrays.asList(bytes));System.out.println(map);}
}
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