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Glossary

Hotlink Protection

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Terakhir diperbarui: 2024-02-02 14:36:36

Overview

This document provides an overview of APIs and SDK code samples related to bucket referer allowlist or blocklist.
API
Operation
Description
Setting bucket referer configuration
Sets a bucket referer allowlist or blocklist
Querying bucket referer configuration
Queries a bucket referer allowlist or blocklist

Setting Bucket Referer Configuration

Description

This API is used to use the .NET SDK to set the referer allowlist or blocklist of a bucket and read the referer configuration of the bucket.
Note:
Hotlink protection configuration of buckets is supported from v5.4.24. To download the latest version of SDK, go to Releases or refer to Getting Started.
For the SDK version changelog, please see Changelog.

Sample code

using COSXML.Model.Tag;
using COSXML.Model.Bucket;
using COSXML.Auth;
using System;
using COSXML;

namespace COSSnippet
{
public class BucketRefererModel {

private CosXml cosXml;

BucketRefererModel() {
CosXmlConfig config = new CosXmlConfig.Builder()
.SetRegion("COS_REGION") // Set the default region. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224?from_cn_redirect=1.
.Build();

string secretId = "SECRET_ID"; // SecretId of the TencentCloud API. For more information about how to obtain the API key, see https://console.tencentcloud.com/cam/capi.
string secretKey = "SECRET_KEY"; // SecretKey of the TencentCloud API. For more information about how to obtain the API key, see https://console.tencentcloud.com/cam/capi.
long durationSecond = 600; // Validity period of the request signature in seconds
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId,
secretKey, durationSecond);

this.cosXml = new CosXmlServer(config, qCloudCredentialProvider);
}

/// Set bucket hotlink protection
public void PutBucketReferer()
{
//.cssg-snippet-body-start:[put-bucket-cors]
try
{
// Bucket name in the format of `BucketName-APPID`. You can get APPID by referring to https://console.tencentcloud.com/developer.
string bucket = "examplebucket-1250000000";
PutBucketRefererRequest request = new PutBucketRefererRequest(bucket);
// Set the hotlink protection rule
RefererConfiguration configuration = new RefererConfiguration();
// Whether to enable hotlink protection. Enumerated values: `Enabled`, `Disabled`
configuration.Status = "Enabled";
// Hotlink protection type. Enumerated values: `Black-List`, `White-List`
configuration.RefererType = "White-List";
// List of domain names in the blocklist/allowlist. Using a prefix to specify multiple domains is supported. Domain names and IPs with ports are supported. A wildcard (*) is supported for second-level or multi-level domains.
configuration.domainList = new DomainList();
// A single domain name, for example, `www.qq.com/example`, `192.168.1.2:8080`, or `*.qq.com`
configuration.domainList.AddDomain("*.domain1.com");
configuration.domainList.AddDomain("*.domain2.com");
// Whether to allow access with an empty referer. Enumerated values: `Allow`, `Deny` (default)
configuration.EmptyReferConfiguration = "Deny";
request.SetRefererConfiguration(configuration);
// Execute the request
PutBucketRefererResult result = cosXml.PutBucketReferer(request);
// Request succeeded
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
// Request failed
Console.WriteLine("CosClientException: " + clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
// Request failed
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}

//.cssg-snippet-body-end
}

/// Get the bucket hotlink protection rule
public void GetBucketReferer()
{
//.cssg-snippet-body-start:[get-bucket-cors]
try
{
// Bucket name in the format of `BucketName-APPID`. You can get APPID by referring to https://console.tencentcloud.com/developer.
string bucket = "examplebucket-1250000000";
GetBucketRefererRequest request = new GetBucketRefererRequest(bucket);
// Execute the request
GetBucketRefererResult result = cosXml.GetBucketReferer(request);
Console.WriteLine(result.GetResultInfo());
// Status parameter
Console.WriteLine(result.refererConfiguration.Status);
// Referer list type
Console.WriteLine(result.refererConfiguration.RefererType);
// Domain names in the list
foreach (string domain in result.refererConfiguration.domainList.domains)
{
Console.WriteLine(domain);
}
}
catch (COSXML.CosException.CosClientException clientEx)
{
// Request failed
Console.WriteLine("CosClientException: " + clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
// Request failed
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}

//.cssg-snippet-body-end
}

// .cssg-methods-pragma

static void Main(string[] args)
{
BucketRefererModel m = new BucketRefererModel();
/// Set the CORS rules for the bucket
m.PutBucketReferer();
/// Get the CORS rules of the bucket
m.GetBucketReferer();
// .cssg-methods-pragma
}
}
}

Note:
For the complete sample, go to GitHub.

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