OSS对象存储JavaV4签名

package com.example.oss;

import com.aliyun.oss.HttpMethod;
import com.aliyun.oss.common.auth.Credentials;
import com.aliyun.oss.common.auth.DefaultCredentials;
import com.aliyun.oss.common.auth.RequestPresigner;
import com.aliyun.oss.common.comm.RequestMessage;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.internal.signer.OSSSignerParams;
import com.aliyun.oss.internal.signer.OSSV4Signer;

import java.net.URISyntaxException;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

public class OSSSignURLV4D2 {
    public static void main(String[] args) throws URISyntaxException {

        //设置时间
        LocalDateTime currentTime = LocalDateTime.now();
        // 设置未来时间为当前时间加上2小时
        LocalDateTime futureTime = currentTime.plus(2, ChronoUnit.HOURS);
        // 截至到秒单位
        LocalDateTime futureTimeTruncated = futureTime.truncatedTo(ChronoUnit.SECONDS);
        // 转换为Date类型
        Date futureDate = Date.from(futureTimeTruncated.atZone(ZoneId.systemDefault()).toInstant());


        String endpoint = "https://oss-cn-beijing.aliyuncs.com";
        String accessKeyId = "";
        String accessKeySecret = "";
        String bucketName = "bucketname";
        String objectName = "1122.png";
        String resourcePath = "/bucketname/1122.png";
        String url = "https://"+bucketName+".oss-cn-beijing.aliyuncs.com/";

        Credentials credentials = new DefaultCredentials(accessKeyId,accessKeySecret);

        Set<String> additionalHeaderNames = new HashSet<>();
        additionalHeaderNames.add("host");

        OSSSignerParams ossSignerParams = new OSSSignerParams(resourcePath,credentials);
        ossSignerParams.setProduct("oss");
        ossSignerParams.setRegion("cn-beijing");
        ossSignerParams.setExpiration(futureDate);
        ossSignerParams.setAdditionalHeaderNames(additionalHeaderNames);

        RequestPresigner requestPresigner = OSSV4Signer.createRequestPresigner(SignVersion.V4,ossSignerParams);
        RequestMessage requestMessage = new RequestMessage(bucketName, objectName);
        requestMessage.setMethod(HttpMethod.GET);
        //URI enp =new URI(endpoint);
        //requestMessage.setEndpoint(enp);
        //requestMessage.setResourcePath(resourcePath);

        requestPresigner.presign(requestMessage);


        for (String value : requestMessage.getParameters().values()) {
            System.out.println(value);
        }
        String version = requestMessage.getParameters().get("x-oss-signature-version");
        String credential = requestMessage.getParameters().get("x-oss-credential");
        String date = requestMessage.getParameters().get("x-oss-date");
        String expires = requestMessage.getParameters().get("x-oss-expires");
        String additional = requestMessage.getParameters().get("x-oss-additional-headers");
        String signature = requestMessage.getParameters().get("x-oss-signature");

        StringBuilder ossurl = new StringBuilder();

        if (additional== null) {
            ossurl.append(url+objectName).append("?");
            ossurl.append("x-oss-signature-version=").append(version).append("&");
            ossurl.append("x-oss-credential=").append(credential).append("&");
            ossurl.append("x-oss-date=").append(date).append("&");
            ossurl.append("x-oss-expires=").append(expires).append("&");
            ossurl.append("x-oss-signature=").append(signature);
        }else {
            ossurl.append(url + objectName).append("?");
            ossurl.append("x-oss-signature-version=").append(version).append("&");
            ossurl.append("x-oss-credential=").append(credential).append("&");
            ossurl.append("x-oss-date=").append(date).append("&");
            ossurl.append("x-oss-expires=").append(expires).append("&");
            ossurl.append("x-oss-additional-headers=").append(additional).append("&");
            ossurl.append("x-oss-signature=").append(signature);
        }

        System.out.println("URL:"+ossurl.toString());

//https://examplebucket.oss-cn-hangzhou.aliyuncs.com/exampleobject?
// x-oss-signature-version=OSS4-HMAC-SHA256&
// x-oss-credential=<AccessKeyId>/20231203/cn-hangzhou/oss/aliyun_v4_request&
// x-oss-date=20231203T121212Z&
// x-oss-expires=86400&
// x-oss-additional-headers=host&
// x-oss-signature=<signature-to-be-calculated>

    }
}

package com.example.oss;

import com.aliyun.oss.HttpMethod;
import com.aliyun.oss.common.auth.Credentials;
import com.aliyun.oss.common.auth.DefaultCredentials;
import com.aliyun.oss.common.auth.RequestSigner;
import com.aliyun.oss.common.comm.RequestMessage;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.internal.OSSHeaders;
import com.aliyun.oss.internal.signer.OSSSignerParams;
import com.aliyun.oss.internal.signer.OSSV4Signer;

import java.net.URI;
import java.net.URISyntaxException;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

public class OSSSignHeaderV4D3 {
    public static void main(String[] args) throws URISyntaxException {

        //设置时间
        LocalDateTime currentTime = LocalDateTime.now();
        // 设置未来时间为当前时间加上2小时
        LocalDateTime futureTime = currentTime.plus(2, ChronoUnit.HOURS);
        // 截至到秒单位
        LocalDateTime futureTimeTruncated = futureTime.truncatedTo(ChronoUnit.SECONDS);
        // 转换为Date类型
        Date futureDate = Date.from(futureTimeTruncated.atZone(ZoneId.systemDefault()).toInstant());


        String endpoint = "https://oss-cn-beijing.aliyuncs.com";
        String accessKeyId = "";
        String accessKeySecret = "";
        String bucketName = "bucketname";
        String objectName = "1122.png";
        String resourcePath = "/bucketname/1122.png";
        String url = "https://"+bucketName+".oss-cn-beijing.aliyuncs.com/";

        Credentials credentials = new DefaultCredentials(accessKeyId,accessKeySecret);

        Set<String> additionalHeaderNames = new HashSet<>();
        additionalHeaderNames.add("host");

        OSSSignerParams ossSignerParams = new OSSSignerParams(resourcePath,credentials);
        ossSignerParams.setProduct("oss");
        ossSignerParams.setRegion("cn-beijing");
        ossSignerParams.setExpiration(futureDate);
        ossSignerParams.setAdditionalHeaderNames(additionalHeaderNames);

        RequestSigner requestSigner = OSSV4Signer.createRequestSigner(SignVersion.V4, ossSignerParams);
        RequestMessage requestMessage = new RequestMessage(bucketName, objectName);
        
      requestMessage.setMethod(HttpMethod.GET);
        URI enp =new URI(endpoint);
        //requestMessage.setEndpoint(enp);
        //requestMessage.setResourcePath(resourcePath);

        requestSigner.sign(requestMessage);

        System.out.println("Authorization:"+requestMessage.getHeaders().get(OSSHeaders.AUTHORIZATION));
        System.out.println("x-oss-date:"+requestMessage.getHeaders().get(OSSHeaders.OSS_DATE));

        System.out.println("URL:"+url+objectName);


    }
}