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role_arn_provider.go
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role_arn_provider.go
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package common
import (
"encoding/json"
"strconv"
"time"
tcerr "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors"
tchttp "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http"
"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile"
"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/regions"
)
const (
endpoint = "sts.tencentcloudapi.com"
service = "sts"
version = "2018-08-13"
region = regions.Guangzhou
defaultSessionName = "tencentcloud-go-sdk-"
action = "AssumeRole"
defaultDurationSeconds = 7200
)
type RoleArnProvider struct {
longSecretId string
longSecretKey string
roleArn string
roleSessionName string
durationSeconds int64
}
type stsRsp struct {
Response struct {
Credentials struct {
Token string `json:"Token"`
TmpSecretId string `json:"TmpSecretId"`
TmpSecretKey string `json:"TmpSecretKey"`
} `json:"Credentials"`
ExpiredTime int `json:"ExpiredTime"`
Expiration time.Time `json:"Expiration"`
RequestId string `json:"RequestId"`
} `json:"Response"`
}
func NewRoleArnProvider(secretId, secretKey, roleArn, sessionName string, duration int64) *RoleArnProvider {
return &RoleArnProvider{
longSecretId: secretId,
longSecretKey: secretKey,
roleArn: roleArn,
roleSessionName: sessionName,
durationSeconds: duration,
}
}
// DefaultRoleArnProvider returns a RoleArnProvider that use some default options:
// 1. roleSessionName will be "tencentcloud-go-sdk-" + timestamp
// 2. durationSeconds will be 7200s
func DefaultRoleArnProvider(secretId, secretKey, roleArn string) *RoleArnProvider {
return NewRoleArnProvider(secretId, secretKey, roleArn, defaultSessionName+strconv.FormatInt(time.Now().UnixNano()/1000, 10), defaultDurationSeconds)
}
func (r *RoleArnProvider) GetCredential() (CredentialIface, error) {
if r.durationSeconds > 43200 || r.durationSeconds <= 0 {
return nil, tcerr.NewTencentCloudSDKError(creErr, "Assume Role durationSeconds should be in the range of 0~43200s", "")
}
credential := NewCredential(r.longSecretId, r.longSecretKey)
cpf := profile.NewClientProfile()
cpf.HttpProfile.Endpoint = endpoint
cpf.HttpProfile.ReqMethod = "POST"
client := NewCommonClient(credential, region, cpf)
request := tchttp.NewCommonRequest(service, version, action)
params := map[string]interface{}{
"RoleArn": r.roleArn,
"RoleSessionName": r.roleSessionName,
"DurationSeconds": r.durationSeconds,
}
err := request.SetActionParameters(params)
if err != nil {
return nil, err
}
response := tchttp.NewCommonResponse()
err = client.Send(request, response)
if err != nil {
return nil, err
}
rspSt := new(stsRsp)
if err = json.Unmarshal(response.GetBody(), rspSt); err != nil {
return nil, tcerr.NewTencentCloudSDKError(creErr, err.Error(), "")
}
return &RoleArnCredential{
roleArn: r.roleArn,
roleSessionName: r.roleSessionName,
durationSeconds: r.durationSeconds,
expiredTime: int64(rspSt.Response.ExpiredTime) - r.durationSeconds/10*9, // credential's actual duration time is 1/10 of the original
token: rspSt.Response.Credentials.Token,
tmpSecretId: rspSt.Response.Credentials.TmpSecretId,
tmpSecretKey: rspSt.Response.Credentials.TmpSecretKey,
source: r,
}, nil
}