Fix refresh access token request body (#44)

mch/client.go

@@ -43,6 +43,11 @@ type Client struct {
 	HTTPClient    http.Client    `json:"-"`
 }
 
+const (
+	clientID     = "9B0Gi617tROKHc2rS95sT1yJzR6MkQDm"
+	clientSecret = "oSJOB1KOWnLVZm11DVknu2wZkTj5AGKxcINEDtEUPE30jHKvEqorM8ocWbyo17Hd" // nolint:gosec
+)
+
 var ErrorUnexpectedStatusCode = errors.New("unexpected status code")
 
 func Login(username string, password string) (*Client, error) {
@@ -60,8 +65,8 @@ func Login(username string, password string) (*Client, error) {
 		"username":      username,
 		"password":      password,
 		"scope":         "openid offline_access nas_read_write nas_read_only user_read device_read",
-		"client_id":     "9B0Gi617tROKHc2rS95sT1yJzR6MkQDm",
-		"client_secret": "oSJOB1KOWnLVZm11DVknu2wZkTj5AGKxcINEDtEUPE30jHKvEqorM8ocWbyo17Hd",
+		"client_id":     clientID,
+		"client_secret": clientSecret,
 	}
 
 	data, err := json.Marshal(req)
@@ -105,7 +110,8 @@ func osType() string {
 func (c *Client) refreshAccessToken() error {
 	req := map[string]string{
 		"audience":      "mycloud.com",
-		"client_id":     c.Configuration.GetString("com.wd.portal", "portal.auth0.client"),
+		"client_id":     clientID,
+		"client_secret": clientSecret,
 		"grant_type":    "refresh_token",
 		"refresh_token": c.RefreshToken,
 	}