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Hotlink Protection

Terakhir diperbarui:2024-02-01 18:01:21

    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 (PUT Bucket referer) is used to set a referer allowlist/blocklist for a bucket.

    Method prototype

    cos_status_t *cos_put_bucket_referer(const cos_request_options_t *options,
    const cos_string_t *bucket,
    cos_referer_params_t *referer_params,
    cos_table_t **resp_headers);

    Parameter description

    Parameter
    Description
    Type
    options
    COS request options
    Struct
    bucket
    Bucket name in the format of BucketName-APPID
    String
    referer_params
    Referer parameters
    Struct
    status
    Whether hotlink protection is enabled. Enumerated values: Enabled, Disabled`
    String
    referer_type
    Hotlink protection type. Enumerated values: Black-List, White-List
    String
    empty_refer_config
    Whether to allow access with an empty referer. Enumerated values: Allow, Deny (default)
    String
    domain_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.
    String
    resp_headers
    Returns the HTTP response headers
    Struct

    Response description

    Response Parameter
    Description
    Type
    code
    Error code
    Int
    error_code
    Error code content
    String
    error_msg
    Error code description
    String
    req_id
    Request message ID
    String

    Sample

    For the complete code, see the test_referer() function in cos_demo.c.
    #include "cos_http_io.h"
    #include "cos_api.h"
    #include "cos_log.h"
    
    // `endpoint` is the COS access domain name. For more information, see https://www.tencentcloud.com/document/product/436/6224.
    static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
    // A developer-owned secret ID/key used for the project. It can be obtained at https://console.tencentcloud.com/cam/capi.
    static char *TEST_ACCESS_KEY_ID; // Your SecretId
    static char *TEST_ACCESS_KEY_SECRET; // Your SecretKey
    // A unique user-level resource identifier for COS access. It can be obtained at https://console.tencentcloud.com/cam/capi.
    static char TEST_APPID[] = "<APPID>"; // Your APPID
    // COS bucket name, in the format of [bucket]-[appid], for example `mybucket-1253666666`. It can be obtained at https://console.tencentcloud.com/cos5/bucket.
    static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
    
    void log_status(cos_status_t *s)
    {
    cos_warn_log("status->code: %d", s->code);
    if (s->error_code) cos_warn_log("status->error_code: %s", s->error_code);
    if (s->error_msg) cos_warn_log("status->error_msg: %s", s->error_msg);
    if (s->req_id) cos_warn_log("status->req_id: %s", s->req_id);
    }
    
    void init_test_config(cos_config_t *config, int is_cname)
    {
    cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
    cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
    cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
    cos_str_set(&config->appid, TEST_APPID);
    config->is_cname = is_cname;
    }
    
    void init_test_request_options(cos_request_options_t *options, int is_cname)
    {
    options->config = cos_config_create(options->pool);
    init_test_config(options->config, is_cname);
    options->ctl = cos_http_controller_create(options->pool, 0);
    }
    
    void test_put_referer()
    {
    cos_pool_t *pool = NULL;
    int is_cname = 0;
    cos_status_t *status = NULL;
    cos_request_options_t *options = NULL;
    cos_table_t *resp_headers = NULL;
    cos_string_t bucket;
    cos_referer_params_t *params = NULL;
    cos_referer_domain_t *domain = NULL;
    
    // Create a memory pool
    cos_pool_create(&pool, NULL);
    
    // Initialize the request options
    options = cos_request_options_create(pool);
    init_test_request_options(options, is_cname);
    cos_str_set(&bucket, TEST_BUCKET_NAME);
    
    // Use your own configuration. For more information, see https://www.tencentcloud.com/document/product/436/31423.
    params = cos_create_referer_params(pool);
    cos_str_set(&params->status, "Enabled");
    cos_str_set(&params->referer_type, "White-List");
    cos_str_set(&params->empty_refer_config, "Allow");
    domain = cos_create_referer_domain(pool);
    cos_str_set(&domain->domain, "www.qq.com");
    cos_list_add_tail(&domain->node, &params->domain_list);
    domain = cos_create_referer_domain(pool);
    cos_str_set(&domain->domain, "*.tencent.com");
    cos_list_add_tail(&domain->node, &params->domain_list);
    
    // Put referer
    status = cos_put_bucket_referer(options, &bucket, params, &resp_headers);
    log_status(status);
    
    cos_pool_destroy(pool);
    }
    
    int main(int argc, char *argv[])
    {
    // Get SecretId and SecretKey from environment variables
    TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
    TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");
    
    if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
    exit(1);
    }
    
    // Set the log level. Default value: `COS_LOG_WARN`
    cos_log_set_level(COS_LOG_WARN);
    
    // Set log output. Default value: `stderr`
    cos_log_set_output(NULL);
    
    test_put_referer();
    
    cos_http_io_deinitialize();
    
    return 0;
    }

    Querying Bucket Referer Configuration

    Description

    This API (GET Bucket referer) is used to query the referer allowlist/blocklist of a bucket.

    Method prototype

    cos_status_t *cos_get_bucket_referer(const cos_request_options_t *options,
    const cos_string_t *bucket,
    cos_referer_params_t *referer_params,
    cos_table_t **resp_headers);

    Parameter description

    Parameter
    Description
    Type
    options
    COS request options
    Struct
    bucket
    Bucket name in the format of BucketName-APPID
    String
    referer_params
    Referer parameters
    Struct
    status
    Whether hotlink protection is enabled. Enumerated values: Enabled, Disabled`
    String
    referer_type
    Hotlink protection type. Enumerated values: Black-List, White-List
    String
    empty_refer_config
    Whether to allow access with an empty referer. Enumerated values: Allow, Deny (default)
    String
    domain_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.
    String
    resp_headers
    Returns the HTTP response headers
    Struct

    Response description

    Response Parameter
    Description
    Type
    code
    Error code
    Int
    error_code
    Error code content
    String
    error_msg
    Error code description
    String
    req_id
    Request message ID
    String

    Sample request

    For the complete code, see the test_referer() function in cos_demo.c.
    #include "cos_http_io.h"
    #include "cos_api.h"
    #include "cos_log.h"
    
    // `endpoint` is the COS access domain name. For more information, see https://www.tencentcloud.com/document/product/436/6224.
    static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";
    // A developer-owned secret ID/key used for the project. It can be obtained at https://console.tencentcloud.com/cam/capi.
    static char *TEST_ACCESS_KEY_ID; // Your SecretId
    static char *TEST_ACCESS_KEY_SECRET; // Your SecretKey
    // A unique user-level resource identifier for COS access. It can be obtained at https://console.tencentcloud.com/cam/capi.
    static char TEST_APPID[] = "<APPID>"; // Your APPID
    // COS bucket name, in the format of [bucket]-[appid], for example `mybucket-1253666666`. It can be obtained at https://console.tencentcloud.com/cos5/bucket.
    static char TEST_BUCKET_NAME[] = "<bucketname-appid>";
    
    void log_status(cos_status_t *s)
    {
    cos_warn_log("status->code: %d", s->code);
    if (s->error_code) cos_warn_log("status->error_code: %s", s->error_code);
    if (s->error_msg) cos_warn_log("status->error_msg: %s", s->error_msg);
    if (s->req_id) cos_warn_log("status->req_id: %s", s->req_id);
    }
    
    void init_test_config(cos_config_t *config, int is_cname)
    {
    cos_str_set(&config->endpoint, TEST_COS_ENDPOINT);
    cos_str_set(&config->access_key_id, TEST_ACCESS_KEY_ID);
    cos_str_set(&config->access_key_secret, TEST_ACCESS_KEY_SECRET);
    cos_str_set(&config->appid, TEST_APPID);
    config->is_cname = is_cname;
    }
    
    void init_test_request_options(cos_request_options_t *options, int is_cname)
    {
    options->config = cos_config_create(options->pool);
    init_test_config(options->config, is_cname);
    options->ctl = cos_http_controller_create(options->pool, 0);
    }
    
    static void log_get_referer(cos_referer_params_t *result)
    {
    int index = 0;
    cos_referer_domain_t *domain;
    
    cos_warn_log("status: %s", result->status.data);
    cos_warn_log("referer_type: %s", result->referer_type.data);
    cos_warn_log("empty_refer_config: %s", result->empty_refer_config.data);
    
    cos_list_for_each_entry(cos_referer_domain_t, domain, &result->domain_list, node) {
    cos_warn_log("domain index:%d", ++index);
    cos_warn_log("domain: %s", domain->domain.data);
    }
    }
    
    void test_get_referer()
    {
    cos_pool_t *pool = NULL;
    int is_cname = 0;
    cos_status_t *status = NULL;
    cos_request_options_t *options = NULL;
    cos_table_t *resp_headers = NULL;
    cos_string_t bucket;
    cos_referer_params_t *result = NULL;
    
    // Create a memory pool
    cos_pool_create(&pool, NULL);
    
    // Initialize the request options
    options = cos_request_options_create(pool);
    init_test_request_options(options, is_cname);
    cos_str_set(&bucket, TEST_BUCKET_NAME);
    
    // Get referer
    result = cos_create_referer_params(pool);
    status = cos_get_bucket_referer(options, &bucket, result, &resp_headers);
    log_status(status);
    if (status->code == 200) {
    log_get_referer(result);
    }
    
    cos_pool_destroy(pool);
    }
    
    int main(int argc, char *argv[])
    {
    // Get SecretId and SecretKey from environment variables
    TEST_ACCESS_KEY_ID = getenv("COS_SECRETID");
    TEST_ACCESS_KEY_SECRET = getenv("COS_SECRETKEY");
    
    if (cos_http_io_initialize(NULL, 0) != COSE_OK) {
    exit(1);
    }
    
    // Set the log level. Default value: `COS_LOG_WARN`
    cos_log_set_level(COS_LOG_WARN);
    
    // Set log output. Default value: `stderr`
    cos_log_set_output(NULL);
    
    test_get_referer();
    
    cos_http_io_deinitialize();
    
    return 0;
    }
    
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