int cos_gen_presigned_url(const cos_request_options_t *options,const cos_string_t *bucket,const cos_string_t *object,const int64_t expire,http_method_e method,cos_string_t *presigned_url);
参数名称 | 参数描述 | 类型 |
options | COS 请求选项 | Struct |
bucket | 存储桶名称,存储桶的命名格式为 BucketName-APPID,此处填写的存储桶名称必须为此格式 | String |
object | Object 名称 | String |
expire | 签名有效时间,单位为秒 | Int |
method | HTTP 请求方法枚举类型,分别为 HTTP_GET、HTTP_HEAD、HTTP_PUT、HTTP_POST、HTTP_DELETE | Enum |
presigned_url | 生成的请求预签名 URL | String |
返回结果 | 描述 | 类型 |
code | 错误码 | Int |
#include "cos_http_io.h"#include "cos_api.h"#include "cos_log.h"// endpoint 是 COS 访问域名信息,详情请参见 https://www.tencentcloud.com/document/product/436/6224 文档static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";// 开发者拥有的项目身份ID/密钥,可在 https://console.tencentcloud.com/cam/capi 页面获取static char *TEST_ACCESS_KEY_ID; //your secret_idstatic char *TEST_ACCESS_KEY_SECRET; //your secret_key// 开发者访问 COS 服务时拥有的用户维度唯一资源标识,用以标识资源,可在 https://console.tencentcloud.com/cam/capi 页面获取static char TEST_APPID[] = "<APPID>"; //your appid//the cos bucket name, syntax: [bucket]-[appid], for example: mybucket-1253666666,可在 https://console.tencentcloud.com/cos5/bucket 查看static char TEST_BUCKET_NAME[] = "<bucketname-appid>";// 对象键,对象(Object)在存储桶(Bucket)中的唯一标识。有关对象与对象键的进一步说明,请参见 https://www.tencentcloud.com/document/product/436/13324 文档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_presigned_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_string_t presigned_url;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);cos_gen_presigned_url(options, &bucket, &object, 300, HTTP_GET, &presigned_url);printf("presigned_url: %s\\n", presigned_url.data);cos_pool_destroy(p);}int main(int argc, char *argv[]){// 通过环境变量获取 SECRETID 和 SECRETKEYTEST_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 log level, default COS_LOG_WARNcos_log_set_level(COS_LOG_WARN);//set log output, default stderrcos_log_set_output(NULL);test_presigned_url();cos_http_io_deinitialize();return 0;}
int cos_gen_presigned_url_safe(const cos_request_options_t *options,const cos_string_t *bucket,const cos_string_t *object,const int64_t expire,http_method_e method,cos_table_t *headers,cos_table_t *params,int sign_host,cos_string_t *presigned_url);
参数名称 | 参数描述 | 类型 |
options | COS 请求选项 | Struct |
bucket | 存储桶名称,存储桶的命名格式为 BucketName-APPID,此处填写的存储桶名称必须为此格式 | String |
object | Object 名称 | String |
expire | 签名有效时间,单位为秒 | Int |
method | HTTP 请求方法枚举类型,分别为 HTTP_GET、HTTP_HEAD、HTTP_PUT、HTTP_POST、HTTP_DELETE | Enum |
headers | COS 请求附加头域 | Struct |
params | COS 请求操作参数 | Struct |
sign_host | 是否对 host 头域进行签名,为了安全性强烈建议开启 | Int |
presigned_url | 生成的请求预签名 URL | String |
返回结果 | 描述 | 类型 |
code | 错误码 | Int |
#include "cos_http_io.h"#include "cos_api.h"#include "cos_log.h"// endpoint 是 COS 访问域名信息,详情请参见 https://www.tencentcloud.com/document/product/436/6224 文档static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";// 开发者拥有的项目身份ID/密钥,可在 https://console.tencentcloud.com/cam/capi 页面获取static char *TEST_ACCESS_KEY_ID; //your secret_idstatic char *TEST_ACCESS_KEY_SECRET; //your secret_key// 开发者访问 COS 服务时拥有的用户维度唯一资源标识,用以标识资源,可在 https://console.tencentcloud.com/cam/capi 页面获取static char TEST_APPID[] = "<APPID>"; //your appid//the cos bucket name, syntax: [bucket]-[appid], for example: mybucket-1253666666,可在 https://console.tencentcloud.com/cos5/bucket 查看static char TEST_BUCKET_NAME[] = "<bucketname-appid>";// 对象键,对象(Object)在存储桶(Bucket)中的唯一标识。有关对象与对象键的进一步说明,请参见 https://www.tencentcloud.com/document/product/436/13324 文档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_safe_presigned_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_string_t presigned_url;cos_table_t *params = NULL;cos_table_t *headers = NULL;int sign_host = 1;cos_pool_create(&p, NULL);options = cos_request_options_create(p);init_test_request_options(options, is_cname);/* 可以通过设置 sts_token 来使用临时密钥,当使用临时密钥时,access_key_id 和 access_key_secret 均需要设置为对应临时密钥所配套的 SecretId 和 SecretKey *///cos_str_set(&options->config->sts_token, "MyTokenString");cos_str_set(&bucket, TEST_BUCKET_NAME);cos_str_set(&object, TEST_OBJECT_NAME1);// 强烈建议sign_host为1,这样强制把host头域加入签名列表,防止越权访问问题cos_gen_presigned_url_safe(options, &bucket, &object, 300, HTTP_GET, headers, params, sign_host, &presigned_url);printf("presigned_url_safe: %s\\n", presigned_url.data);cos_pool_destroy(p);}int main(int argc, char *argv[]){// 通过环境变量获取 SECRETID 和 SECRETKEYTEST_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 log level, default COS_LOG_WARNcos_log_set_level(COS_LOG_WARN);//set log output, default stderrcos_log_set_output(NULL);test_safe_presigned_url();cos_http_io_deinitialize();return 0;}
#include "cos_http_io.h"#include "cos_api.h"#include "cos_log.h"// endpoint 是 COS 访问域名信息,详情请参见 https://www.tencentcloud.com/document/product/436/6224 文档static char TEST_COS_ENDPOINT[] = "cos.ap-guangzhou.myqcloud.com";// 开发者拥有的项目身份ID/密钥,可在 https://console.tencentcloud.com/cam/capi 页面获取static char *TEST_ACCESS_KEY_ID; //your secret_idstatic char *TEST_ACCESS_KEY_SECRET; //your secret_key// 开发者访问 COS 服务时拥有的用户维度唯一资源标识,用以标识资源,可在 https://console.tencentcloud.com/cam/capi 页面获取static char TEST_APPID[] = "<APPID>"; //your appid//the cos bucket name, syntax: [bucket]-[appid], for example: mybucket-1253666666,可在 https://console.tencentcloud.com/cos5/bucket 查看static char TEST_BUCKET_NAME[] = "<bucketname-appid>";// 对象键,对象(Object)在存储桶(Bucket)中的唯一标识。有关对象与对象键的进一步说明,请参见 https://www.tencentcloud.com/document/product/436/13324 文档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_safe_presigned_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_string_t presigned_url;cos_table_t *params = NULL;cos_table_t *headers = NULL;int sign_host = 1;cos_pool_create(&p, NULL);options = cos_request_options_create(p);init_test_request_options(options, is_cname);/* 可以通过设置 sts_token 来使用临时密钥,当使用临时密钥时,access_key_id 和 access_key_secret 均需要设置为对应临时密钥所配套的 SecretId 和 SecretKey *///cos_str_set(&options->config->sts_token, "MyTokenString");cos_str_set(&bucket, TEST_BUCKET_NAME);cos_str_set(&object, TEST_OBJECT_NAME1);// 添加您自己的params和headersparams = cos_table_make(options->pool, 0);//cos_table_add(params, "param1", "value");headers = cos_table_make(options->pool, 0);//cos_table_add(headers, "header1", "value");// 强烈建议sign_host为1,这样强制把host头域加入签名列表,防止越权访问问题cos_gen_presigned_url_safe(options, &bucket, &object, 300, HTTP_GET, headers, params, sign_host, &presigned_url);printf("presigned_url_safe: %s\\n", presigned_url.data);cos_pool_destroy(p);}int main(int argc, char *argv[]){// 通过环境变量获取 SECRETID 和 SECRETKEYTEST_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 log level, default COS_LOG_WARNcos_log_set_level(COS_LOG_WARN);//set log output, default stderrcos_log_set_output(NULL);test_safe_presigned_url();cos_http_io_deinitialize();return 0;}
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