【第三方接口】阿里云内容审核SDK的使用

小星星*2023-08-30 13:29

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

1.2 图片内容审核

2. 工具类的使用

2.1 配置文件添加

yml 复制代码 
aliyun:
 accessKeyId: LTAI5tCWHCcfvqQzu8k2oKmX
 secret: auoKUFsghimbfVQHpy7gtRyBkoR4vc
#aliyun.scenes=porn,terrorism,ad,qrcode,live,logo
 scenes: terrorism

2.2 工具类
GreenImageScan.java

java 复制代码 
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https
        imageSyncScanRequest.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url
            task.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 something
                            System.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

java 复制代码 
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

java 复制代码 
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 {

    @Autowired
    private GreenTextScan greenTextScan;

    @Autowired
    private GreenImageScan greenImageScan;

    @Autowired
    private FileStorageService fileStorageService;

    @Test
    public void testScanText() throws Exception {
        Map map = greenTextScan.greeTextScan("我是一个好人,冰毒");
        System.out.println(map);
    }

    @Test
    public 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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