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token.go
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/
token.go
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package huaweistore
import (
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/url"
)
const (
// ProductTokenURL is the endpoint for production environment.
ProductTokenURL string = "https://oauth-login.cloud.huawei.com/oauth2/v2/token"
)
// GetHeaderToken get access token
func (c *Client) GetHeaderToken(reqBody IAPRequest) (string, error) {
appAt, err := c.getToken(reqBody)
if err != nil {
return "", err
}
oriString := fmt.Sprintf("APPAT:%s", appAt)
auth := base64.StdEncoding.EncodeToString([]byte(oriString))
authHeader := fmt.Sprintf("Basic %s", auth)
return authHeader, nil
}
func (c *Client) getToken(reqBody IAPRequest) (string, error) {
urlValue := url.Values{
"grant_type": {"client_credentials"},
"client_secret": {reqBody.ClientSecret},
"client_id": {reqBody.ClientID},
}
resp, err := c.httpCli.PostForm(c.TokenURL, urlValue)
if err != nil {
return "", err
}
defer resp.Body.Close()
bodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", err
}
var token TokenResponse
if err := json.Unmarshal(bodyBytes, &token); err != nil {
return "", err
}
if token.AccessToken == "" {
return "", errors.New("Get token fail, " + string(bodyBytes))
}
return token.AccessToken, nil
}