Fix MFA detection with custom APP_BASE

api/api.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"strings"
 )
 
 // APIResponse is the Struct representation of a Json Response
@@ -62,7 +63,7 @@ start:
 	if res.Header.Status == "success" {
 		return r, &res, nil
 	} else if res.Header.Status == "error" {
-		if res.Header.Code == 403 && res.Header.URL == "/mfa/verify/error.json" {
+		if res.Header.Code == 403 && strings.HasSuffix(res.Header.URL, "/mfa/verify/error.json") {
 			if !firstTime {
 				// if we are here this probably means that the MFA callback is broken, to prevent a infinite loop lets error here
 				return r, &res, fmt.Errorf("Got MFA challenge twice in a row, is your MFA Callback broken? Bailing to prevent loop...:")