Introduction

This document provides an overview of APIs and SDK code samples related to basic operations on buckets and bucket access control list (ACL).

Basic Operations

ACL

Basic Operations

Creating a bucket

Feature description

This API is used to create a bucket under the specified account.

Method prototype

cos_status_t *cos_create_bucket(const cos_request_options_t *options, 
                                const cos_string_t *bucket, 
                                cos_acl_e cos_acl, 
                                cos_table_t **resp_headers);

Parameter descriptions

Return result descriptions

Samples

cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_acl_e cos_acl = COS_ACL_PRIVATE;
cos_string_t bucket;
cos_table_t *resp_headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
cos_str_set(&options->config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&options->config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&options->config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&options->config->appid, TEST_APPID);
options->config->is_cname = is_cname;
options->ctl = cos_http_controller_create(options->pool, 0);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// Create a bucket
s = cos_create_bucket(options, &bucket, cos_acl, &resp_headers);
if (cos_status_is_ok(s)) {
        printf("create bucket succeeded\n");
} else {
        printf("create bucket failed\n");
}

// Terminate the memory pool
cos_pool_destroy(p); 

Deleting a bucket

Feature description

This API is used to delete an empty bucket under the specified account.

Method prototype

cos_status_t *cos_delete_bucket(const cos_request_options_t *options,
                                const cos_string_t *bucket, 
                                cos_table_t **resp_headers);

Parameter descriptions

Return result descriptions

Samples

cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_table_t *resp_headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
cos_str_set(&options->config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&options->config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&options->config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&options->config->appid, TEST_APPID);
options->config->is_cname = is_cname;
options->ctl = cos_http_controller_create(options->pool, 0);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// Delete a bucket
s = cos_delete_bucket(options, &bucket, &resp_headers);
if (cos_status_is_ok(s)) {
        printf("create bucket succeeded\n");
} else {
        printf("create bucket failed\n");
}

// Terminate the memory pool
cos_pool_destroy(p); 

ACL

Setting bucket ACL

Feature description

This API (PUT Bucket acl) is used to set the access control list (ACL) for a specified bucket.

Method prototype

cos_status_t *cos_put_bucket_acl(const cos_request_options_t *options, 
                                 const cos_string_t *bucket, 
                                 cos_acl_e cos_acl,
                                 const cos_string_t *grant_read,
                                 const cos_string_t *grant_write,
                                 const cos_string_t *grant_full_ctrl,
                                 cos_table_t **resp_headers);

Parameter descriptions

Return result descriptions

Samples

cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_table_t *resp_headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
cos_str_set(&options->config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&options->config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&options->config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&options->config->appid, TEST_APPID);
options->config->is_cname = is_cname;
options->ctl = cos_http_controller_create(options->pool, 0);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// Set the bucket ACL
cos_string_t read;
cos_str_set(&read, "id=\"qcs::cam::uin/100000000001:uin/100000000001\", id=\"qcs::cam::uin/100000000011:uin/100000000011\"");
s = cos_put_bucket_acl(options, &bucket, cos_acl, &read, NULL, NULL, &resp_headers);
if (cos_status_is_ok(s)) {
        printf("put bucket acl succeeded\n");
} else {
        printf("put bucket acl failed\n");
}

// Terminate the memory pool
cos_pool_destroy(p); 

Querying bucket ACL

Feature description

This API (GET Bucket acl) is used to query the access control list (ACL) of a bucket.

Method prototype

cos_status_t *cos_get_bucket_acl(const cos_request_options_t *options, 
                                 const cos_string_t *bucket, 
                                 cos_acl_params_t *acl_param, 
                                 cos_table_t **resp_headers)

Parameter descriptions

Return result descriptions

Samples

cos_pool_t *p = NULL;
int is_cname = 0;
cos_status_t *s = NULL;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_table_t *resp_headers = NULL;

// Create a memory pool
cos_pool_create(&p, NULL);

// Initialize the request options
options = cos_request_options_create(p);
options->config = cos_config_create(options->pool);
init_test_config(options->config, is_cname);
cos_str_set(&options->config->endpoint, TEST_COS_ENDPOINT);
cos_str_set(&options->config->access_key_id, TEST_ACCESS_KEY_ID);
cos_str_set(&options->config->access_key_secret, TEST_ACCESS_KEY_SECRET);
cos_str_set(&options->config->appid, TEST_APPID);
options->config->is_cname = is_cname;
options->ctl = cos_http_controller_create(options->pool, 0);
cos_str_set(&bucket, TEST_BUCKET_NAME);

// Get the bucket ACL
cos_acl_params_t *acl_params = NULL;
acl_params = cos_create_acl_params(p);
s = cos_get_bucket_acl(options, &bucket, acl_params, &resp_headers);
if (cos_status_is_ok(s)) {
        printf("get bucket acl succeeded\n");
        printf("acl owner id:%s, name:%s\n", acl_params->owner_id.data, acl_params->owner_name.data);
        cos_acl_grantee_content_t *acl_content = NULL;
        cos_list_for_each_entry(cos_acl_grantee_content_t, acl_content, &acl_params->grantee_list, node) {
                printf("acl grantee type:%s, id:%s, name:%s, permission:%s\n", acl_content->type.data, acl_content->id.data, acl_content->name.data, acl_content->permission.data);
        }
} else {
        printf("get bucket acl failed\n");
}

// Terminate the memory pool
cos_pool_destroy(p);