package main
import (
    "fmt"
    "os"
    obs "github.com/huaweicloud/huaweicloud-sdk-go-obs/obs"
)
func main() {
    //推荐通过环境变量获取AKSK，这里也可以使用其他外部引入方式传入，如果使用硬编码可能会存在泄露风险。
    //您可以登录访问管理控制台获取访问密钥AK/SK，获取方式请参见https://support.huaweicloud.com/usermanual-ca/ca_01_0003.html。
    ak := os.Getenv("AccessKeyID")
    sk := os.Getenv("SecretAccessKey")
    // 【可选】如果使用临时AK/SK和SecurityToken访问OBS，同样建议您尽量避免使用硬编码，以降低信息泄露风险。您可以通过环境变量获取访问密钥AK/SK，也可以使用其他外部引入方式传入。
    // securityToken := os.Getenv("SecurityToken")
    // endpoint填写Bucket对应的Endpoint, 这里以华北-北京四为例，其他地区请按实际情况填写。
    endPoint := "https://obs.cn-north-4.myhuaweicloud.com"
    // 创建obsClient实例
    // 如果使用临时AKSK和SecurityToken访问OBS，需要在创建实例时通过obs.WithSecurityToken方法指定securityToken值。
    obsClient, err := obs.New(ak, sk, endPoint, obs.WithSignature(obs.SignatureObs)/*, obs.WithSecurityToken(securityToken)*/)
    if err != nil {
        fmt.Printf("Create obsClient error, errMsg: %s", err.Error())
    }
    // 指定存储桶名称
    bucketname := "examplebucket"
    // 获取桶ACL
    output, err := obsClient.GetBucketAcl(bucketname)
    if err == nil {
        fmt.Printf("Get bucket(%s)'s acl rules successful!\n", bucketname)
        fmt.Printf("RequestId:%s\n", output.RequestId)
        fmt.Printf("Owner.ID:%s\n", output.Owner.ID)
        for index, grant := range output.Grants {
            fmt.Printf("Grant[%d]-Type:%s, ID:%s, URI:%s, Permission:%s\n",
                index, grant.Grantee.Type, grant.Grantee.ID, grant.Grantee.URI, grant.Permission)
        }
        return
    }
    fmt.Printf("Get bucket(%s)'s acl rules fail!\n", bucketname)
    if obsError, ok := err.(obs.ObsError); ok {
        fmt.Println("An ObsError was found, which means your request sent to OBS was rejected with an error response.")
        fmt.Println(obsError.Error())
    } else {
        fmt.Println("An Exception was found, which means the client encountered an internal problem when attempting to communicate with OBS, for example, the client was unable to access the network.")
        fmt.Println(err)
    }
}