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Cross Origin Resource Sharing

Terakhir diperbarui:2024-02-02 12:12:58

    Overview

    This document provides an overview of APIs and SDK code samples related to CORS.
    API
    Operation
    Description
    Setting CORS
    Sets the CORS permissions for a bucket
    Querying CORS configuration
    Queries the CORS configuration of a bucket
    Deleting CORS configuration
    Deletes the CORS configuration of a bucket

    Setting CORS

    API description

    This API (PUT Bucket cors) is used to configure CORS for a bucket.

    Method prototype

    CosResult PutBucketCORS(const PutBucketCORSReq& request, PutBucketCORSResp* response);

    Sample request

    qcloud_cos::CosConfig config("./config.json");
    qcloud_cos::CosAPI cos(config);
    std::string bucket_name = "examplebucket-1250000000";
    qcloud_cos::PutBucketCORSReq req(bucket_name);
    qcloud_cos::PutBucketCORSResp resp;
    
    // Set the CORS configuration.
    qcloud_cos::CORSRule rule;
    rule.m_id = "123"; // Set the ID of the CORS rule.
    rule.m_allowed_headers.push_back("x-cos-meta-test"); // Set the allowed HTTP request headers for CORS.
    rule.m_allowed_origins.push_back("http://www.qq.com"); // Set the allowed origins for CORS.
    rule.m_allowed_methods.push_back("PUT"); // Set the allowed HTTP methods for CORS.
    rule.m_allowed_methods.push_back("GET");
    rule.m_max_age_secs = "600"; // Set the validity period of the configuration.
    rule.m_expose_headers.push_back("x-cos-expose"); // Allow the browser to obtain the headers of the CORS request response.
    req.AddRule(rule);
    
    qcloud_cos::CosResult result = cos.PutBucketCORS(req, &resp);
    if (result.IsSucc()) {
    // Request successful
    } else {
    // Request failed. You can call the CosResult member functions to output the error information, such as requestID.
    }
    

    Parameter description

    Parameter
    Description
    Type
    Required
    req
    Request of the PutBucketCORS operation
    PutBucketCORSReq
    Yes
    resp
    Response of the PutBucketCORS operation
    PutBucketCORSResp
    Yes
    PutBucketCORSReq provides the following member functions:
    // Add a CORS rule.
    void AddRule(const CORSRule& rule);
    // Set a CORS rule.
    void SetRules(const std::vector<CORSRule>& rules)
    Classes for the request are defined as follows:
    
    struct CORSRule {
    std::string m_id;
    std::string m_max_age_secs;
    std::vector<std::string> m_allowed_headers;
    std::vector<std::string> m_allowed_methods;
    std::vector<std::string> m_allowed_origins;
    std::vector<std::string> m_expose_headers;
    };
    

    Querying CORS Configuration

    Feature description

    This API (GET Bucket cors) is used to query the CORS configuration of a bucket.

    Method prototype

    CosResult CosAPI::GetBucketCORS(const GetBucketCORSReq& request, GetBucketCORSResp* response);

    Sample request

    qcloud_cos::CosConfig config("./config.json");
    qcloud_cos::CosAPI cos(config);
    std::string bucket_name = "examplebucket-1250000000";
    qcloud_cos::GetBucketCORSReq req(bucket_name);
    qcloud_cos::GetBucketCORSResp resp;
    
    qcloud_cos::CosResult result = cos.GetBucketCORS(req, &resp);
    if (result.IsSucc()) {
    // Request successful. You can call the `resp` method to query the CORS rules.
    } else {
    // Request failed. You can call the CosResult member functions to output the error information, such as requestID.
    }

    Parameter description

    Parameter
    Description
    Type
    Required
    req
    Request of the GetBucketCORS operation
    GetBucketCORSReq
    Yes
    resp
    Response of the GetBucketCORS operation
    GetBucketCORSResp
    Yes
    GetBucketCORSReq provides the following member function:
    // Obtain the CORS rules from the response.
    std::vector<CORSRule> GetCORSRules() const;

    Deleting CORS Configuration

    Feature description

    This API (DELETE Bucket cors) is used to delete the CORS configuration of a bucket.

    Method prototype

    CosResult BucketOp::DeleteBucketCORS(const DeleteBucketCORSReq& req, DeleteBucketCORSResp* resp);

    Sample request

    qcloud_cos::CosConfig config("./config.json");
    qcloud_cos::CosAPI cos(config);
    std::string bucket_name = "examplebucket-1250000000";
    qcloud_cos::DeleteBucketCORSReq req(bucket_name);
    qcloud_cos::DeleteBucketCORSResp resp;
    
    qcloud_cos::CosResult result = cos.DeleteBucketCORS(req, &resp);
    if (result.IsSucc()) {
    // Request successful
    } else {
    // Request failed. You can call the CosResult member functions to output the error information, such as requestID.
    }

    Parameter description

    Parameter
    Description
    Type
    Required
    req
    Request of the DeleteBucketCORS operation
    DeleteBucketCORSReq
    Yes
    resp
    Response of the DeleteBucketCORS operation
    DeleteBucketCORSResp
    Yes
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