防盗链

public class AccessManageModel
{
    private CosXml cosXml; //将服务用户设置成数据成员
    // 初始化COS服务实例
    private void InitCosXml()
    {
        string region = Environment.GetEnvironmentVariable("COS_REGION");
        CosXmlConfig config = new CosXmlConfig.Builder()
            .SetRegion(region) // 设置默认的地域, COS 地域的简称请参照 https://cloud.tencent.com/document/product/436/6224
            .Build();
        string secretId = Environment.GetEnvironmentVariable("SECRET_ID"); // 云 API 密钥 SecretId, 获取 API 密钥请参照 https://console.cloud.tencent.com/cam/capi
        string secretKey = Environment.GetEnvironmentVariable("SECRET_KEY"); // 云 API 密钥 SecretKey, 获取 API 密钥请参照 https://console.cloud.tencent.com/cam/capi
        long durationSecond = 600; //每次请求签名有效时长，单位为秒
        QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId, secretKey, durationSecond);
        this.cosXml = new CosXmlServer(config, qCloudCredentialProvider);
    }
}

public void PutBucketReferer()
{
    try
    {
        // 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.cloud.tencent.com/developer
        string bucket = "examplebucket-1250000000";
        PutBucketRefererRequest request = new PutBucketRefererRequest(bucket);
        // 设置防盗链规则
        RefererConfiguration configuration = new RefererConfiguration();
        configuration.Status = "Enabled"; // 是否开启防盗链，枚举值：Enabled、Disabled
        configuration.RefererType = "White-List"; // 防盗链类型，枚举值：Black-List、White-List
        // 生效域名列表， 支持多个域名且为前缀匹配， 支持带端口的域名和 IP， 支持通配符*，做二级域名或多级域名的通配
        configuration.domainList = new DomainList();
        // 单条生效域名 例如www.qq.com/example，192.168.1.2:8080， *.qq.com
        configuration.domainList.AddDomain("*.domain1.com");
        configuration.domainList.AddDomain("*.domain2.com");
        // 是否允许空 Referer 访问，枚举值：Allow、Deny，默认值为 Deny
        configuration.EmptyReferConfiguration = "Deny";
        request.SetRefererConfiguration(configuration);
        //执行请求
        PutBucketRefererResult result = cosXml.PutBucketReferer(request);
        //请求成功
        Console.WriteLine(result.GetResultInfo());
    }
    catch (COSXML.CosException.CosClientException clientEx)
    {
        Console.WriteLine("CosClientException: " + clientEx);
    }
    catch (COSXML.CosException.CosServerException serverEx)
    {
        Console.WriteLine("CosServerException: " + serverEx.GetInfo());
    }
}

public void GetBucketReferer()
{
    try
    {
        // 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.cloud.tencent.com/developer
        string bucket = "examplebucket-1250000000";
        GetBucketRefererRequest request = new GetBucketRefererRequest(bucket);
        // 执行请求
        GetBucketRefererResult result = cosXml.GetBucketReferer(request);
        // Status参数
        Console.WriteLine(result.GetResultInfo());
    }
    catch (COSXML.CosException.CosClientException clientEx)
    {
        Console.WriteLine("CosClientException: " + clientEx);
    }
    catch (COSXML.CosException.CosServerException serverEx)
    {
        Console.WriteLine("CosServerException: " + serverEx.GetInfo());
    }
}