Add token validity check (#483)

cli/cmd/tap.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"errors"
 	"fmt"
+	"github.com/up9inc/mizu/cli/up9"
 	"os"
 
 	"github.com/creasty/defaults"
@@ -62,6 +63,12 @@ Supported protocols are HTTP and gRPC.`,
 						logger.Log.Errorf("failed to log in, err: %v", err)
 						return nil
 					}
+				} else if isValidToken := up9.IsTokenValid(config.Config.Auth.Token, config.Config.Auth.EnvName); !isValidToken {
+					logger.Log.Errorf("Token is not valid, please log in again to continue")
+					if err := auth.Login(); err != nil {
+						logger.Log.Errorf("failed to log in, err: %v", err)
+						return nil
+					}
 				}
 			}
 		}

cli/up9/provider.go

@@ -0,0 +1,31 @@
+package up9
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+)
+
+func IsTokenValid(tokenString string, envName string) bool {
+	whoAmIUrl, _ := url.Parse(fmt.Sprintf("https://trcc.%s/admin/whoami", envName))
+
+	req := &http.Request{
+		Method: http.MethodGet,
+		URL:    whoAmIUrl,
+		Header: map[string][]string{
+			"Authorization": {fmt.Sprintf("bearer %s", tokenString)},
+		},
+	}
+
+	response, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return false
+	}
+	defer response.Body.Close()
+
+	if response.StatusCode != http.StatusOK {
+		return false
+	}
+
+	return true
+}