Add MFA functionality

einterfaces/mfa.go

@@ -0,0 +1,25 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package einterfaces
+
+import (
+	"github.com/mattermost/platform/model"
+)
+
+type MfaInterface interface {
+	GenerateQrCode(team *model.Team, user *model.User) ([]byte, *model.AppError)
+	Activate(user *model.User, token string) *model.AppError
+	Deactivate(userId string) *model.AppError
+	ValidateToken(secret, token string) (bool, *model.AppError)
+}
+
+var theMfaInterface MfaInterface
+
+func RegisterMfaInterface(newInterface MfaInterface) {
+	theMfaInterface = newInterface
+}
+
+func GetMfaInterface() MfaInterface {
+	return theMfaInterface
+}