diff --git a/util/uuid/uuid.go b/util/uuid/uuid.go new file mode 100644 index 00000000..34a9c8be --- /dev/null +++ b/util/uuid/uuid.go @@ -0,0 +1,49 @@ +// Copyright © 2016 Abcum Ltd +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package uuid + +import ( + "github.com/satori/go.uuid" +) + +// NewV1 returns a new UUID (Version 1) based on current timestamp and MAC address. +func NewV1() uuid.UUID { + return uuid.NewV1() +} + +// NewV2 returns a new DCE Security UUID (Version 2) based on POSIX UID/GID. +func NewV2(domain byte) uuid.UUID { + return uuid.NewV2(domain) +} + +// NewV3 returns a new UUID (Version 3) based on MD5 hash of namespace UUID and name. +func NewV3(ns uuid.UUID, name string) uuid.UUID { + return uuid.NewV3(ns, name) +} + +// NewV4 returns a new UUID (Version 4) using 16 random bytes or panics. +func NewV4() uuid.UUID { + return uuid.NewV4() +} + +// NewV5 returns a new UUID (Version 5) based on SHA-1 hash of namespace UUID and name. +func NewV5(ns uuid.UUID, name string) uuid.UUID { + return uuid.NewV5(ns, name) +} + +// GetUUID parses and checks for a valid UUID string, and returns Nil if not valid. +func GetUUID(input string) uuid.UUID { + return uuid.FromStringOrNil(input) +}