为了防止您在OSS上的数据被其他人盗链而产生额外费用，您可以设置防盗链功能，包括以下参数：

• Referer白名单。仅允许指定的域名访问OSS资源。
• 是否允许空Referer。如果不允许空Referer，则只有HTTP或HTTPS header中包含Referer字段的请求才能访问OSS资源。

#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;

int main(void)
{
     /* 初始化OSS账号信息 */
    std::string AccessKeyId = "yourAccessKeyId";
    std::string AccessKeySecret = "yourAccessKeySecret";
    std::string Endpoint = "yourEndpoint";
    std::string BucketName = "yourBucketName";

    /* 初始化网络等资源 */
    InitializeSdk();

    ClientConfiguration conf;
    OssClient client(Endpoint, AccessKeyId, AccessKeySecret,  conf) ;

    /* 设置防盗链 */
    SetBucketRefererRequest request(BucketName);
    request.addReferer("http://example.com");
    request.addReferer("https://example.com");
    request.addReferer("https://www.?.example.com");
    request.addReferer("https://www.*.cn");
    request.setAllowEmptyReferer(false);

    auto outcome = client.SetBucketReferer(request);

    if (!outcome.isSuccess()) {
        /* 异常处理 */
        std::cout << "SetBucketReferer fail" <<
        ",code:" << outcome.error().Code() <<
        ",message:" << outcome.error().Message() <<
        ",requestId:" << outcome.error().RequestId() << std::endl;
        ShutdownSdk();
        return -1;
    }

    /* 释放网络等资源 */
    ShutdownSdk();
    return 0;
}

#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;

int main(void)
{
     /* 初始化OSS账号信息 */
    std::string AccessKeyId = "yourAccessKeyId";
    std::string AccessKeySecret = "yourAccessKeySecret";
    std::string Endpoint = "yourEndpoint";
    std::string BucketName = "yourBucketName";

    /* 初始化网络等资源 */
    InitializeSdk();

    ClientConfiguration conf;
    OssClient client(Endpoint, AccessKeyId, AccessKeySecret, conf);


    /* 获取防盗链信息 */
    GetBucketRefererRequest request(BucketName);
    auto outcome = client.GetBucketReferer(request);

    if (outcome.isSuccess()) {
        std::cout << " GetBucketReferer success, AllowEmptyReferer: " << outcome.result().AllowEmptyReferer() <<
        " ,Referer size: " << outcome.result().RefererList().size() << std::endl;
    }
    else { 
        /* 异常处理 */
        std::cout << "GetBucketReferer fail" <<
        ",code:" << outcome.error().Code() <<
        ",message:" << outcome.error().Message() <<
        ",requestId:" << outcome.error().RequestId() << std::endl;
        ShutdownSdk();
        return -1;
    }

    /* 释放网络等资源 */
    ShutdownSdk();
    return 0;
}

#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;

int main(void)
{
     /* 初始化OSS账号信息 */
    std::string AccessKeyId = "yourAccessKeyId";
    std::string AccessKeySecret = "yourAccessKeySecret";
    std::string Endpoint = "yourEndpoint";
    std::string BucketName = "yourBucketName";

    /* 初始化网络等资源 */
    InitializeSdk();

    ClientConfiguration conf;
    OssClient client(Endpoint, AccessKeyId, AccessKeySecret,  conf);

    /* 清空防盗链，防盗链不能直接清空，需要新建一个允许空referer的规则来覆盖之前的规则 */
    SetBucketRefererRequest request(BucketName);
    request.setAllowEmptyReferer(true);

    auto outcome = client.SetBucketReferer(request);

    if (!outcome.isSuccess()) {
        /* 异常处理 */
        std::cout << "CleanBucketReferer fail" <<
        ",code:" << outcome.error().Code() <<
        ",message:" << outcome.error().Message() <<
        ",requestId:" << outcome.error().RequestId() << std::endl;
        ShutdownSdk();
        return -1;
    }

    /* 释放网络等资源 */
    ShutdownSdk();
    return 0;
}