From 8ccff1ff2ffd0331fdcc38d6f3b4473d9dbbbf67 Mon Sep 17 00:00:00 2001
From: Benjamin Bollen <ben@monax.io>
Date: Thu, 16 Feb 2017 13:27:09 +0100
Subject: [PATCH] permissions: introduce utility to convert string map of
permissions into AccountPermission
---
permission/types/util.go | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 permission/types/util.go
diff --git a/permission/types/util.go b/permission/types/util.go
new file mode 100644
index 00000000..15a377ef
--- /dev/null
+++ b/permission/types/util.go
@@ -0,0 +1,35 @@
+package types
+
+// ConvertMapStringIntToPermissions converts a map of string-integer pairs and a slice of
+// strings for the roles to an AccountPermissions type. The integer needs to be greater
+// than zero to set the permission. For all unmentioned permissions the ZeroBasePermissions
+// is defaulted to.
+// TODO: [ben] re-evaluate the use of int for setting the permission.
+func ConvertPermissionsMapAndRolesToAccountPermissions(permissions map[string]int, roles []string) (*AccountPermissions, error) {
+ var err error
+ accountPermissions := &AccountPermissions{}
+ accountPermissions.Base, err = convertPermissionsMapStringIntToBasePermissions(permissions)
+ if err != nil {
+ return nil, err
+ }
+ accountPermissions.Roles = roles
+ return accountPermissions, nil
+}
+
+// convertPermissionsMapStringIntToBasePermissions converts a map of string-integer pairs to
+// BasePermissions.
+func convertPermissionsMapStringIntToBasePermissions(permissions map[string]int) (BasePermissions, error) {
+ // initialise basePermissions as ZeroBasePermissions
+ basePermissions := ZeroBasePermissions
+
+ for permissionName, value := range permissions {
+ permissionsFlag, err := PermStringToFlag(permissionName)
+ if err != nil {
+ return basePermissions, err
+ }
+ // sets the permissions bitflag and the setbit flag for the permission.
+ basePermissions.Set(permissionsFlag, value > 0)
+ }
+
+ return basePermissions, nil
+}
--
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