tencent cloud

Object Access URL
Terakhir diperbarui:2024-02-01 18:01:21
Object Access URL
Terakhir diperbarui: 2024-02-01 18:01:21

Overview

This document provides an overview of the API and sample code for getting an object access URL.

Getting an Object Access URL

Description

The API is used to get object access URLs for anonymous download or distribution.

Method prototype

const char *cos_gen_object_url(const cos_request_options_t *options,
const cos_string_t *bucket,
const cos_string_t *object)

Parameter description

Parameter
Description
Type
Required
options
COS request options
Struct
Yes
Bucket
Bucket name in the format of BucketName-APPID
Struct
Yes
object
Object key, the unique identifier of an object in a bucket. For example, if the object endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its object key is doc/pic.jpg
String
Yes

Response description

An object access URL is returned upon success.

Sample request

#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>";
// A unique identifier of an object stored in COS. For more information about objects and object keys, please see https://www.tencentcloud.com/document/product/436/13324.
static char TEST_OBJECT_NAME1[] = "1.txt";

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_gen_object_url()
{
cos_pool_t *p = NULL;
int is_cname = 0;
cos_request_options_t *options = NULL;
cos_string_t bucket;
cos_string_t object;

cos_pool_create(&p, NULL);
options = cos_request_options_create(p);
init_test_request_options(options, is_cname);
cos_str_set(&bucket, TEST_BUCKET_NAME);
cos_str_set(&object, TEST_OBJECT_NAME1);

printf("url:%s\\n", cos_gen_object_url(options, &bucket, &object));

cos_pool_destroy(p);
}

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_gen_object_url();

cos_http_io_deinitialize();

return 0;
}

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