mihomo/common/utils/uuid.go
2023-04-09 15:40:17 +08:00

51 lines
1.3 KiB
Go

package utils
import (
"github.com/gofrs/uuid/v5"
"github.com/zhangyunhao116/fastrand"
)
type fastRandReader struct{}
func (r fastRandReader) Read(p []byte) (int, error) {
return fastrand.Read(p)
}
var UnsafeUUIDGenerator = uuid.NewGenWithOptions(uuid.WithRandomReader(fastRandReader{}))
func NewUUIDV1() uuid.UUID {
u, _ := UnsafeUUIDGenerator.NewV1() // fastrand.Read wouldn't cause error, so ignore err is safe
return u
}
func NewUUIDV3(ns uuid.UUID, name string) uuid.UUID {
return UnsafeUUIDGenerator.NewV3(ns, name)
}
func NewUUIDV4() uuid.UUID {
u, _ := UnsafeUUIDGenerator.NewV4() // fastrand.Read wouldn't cause error, so ignore err is safe
return u
}
func NewUUIDV5(ns uuid.UUID, name string) uuid.UUID {
return UnsafeUUIDGenerator.NewV5(ns, name)
}
func NewUUIDV6() uuid.UUID {
u, _ := UnsafeUUIDGenerator.NewV6() // fastrand.Read wouldn't cause error, so ignore err is safe
return u
}
func NewUUIDV7() uuid.UUID {
u, _ := UnsafeUUIDGenerator.NewV7() // fastrand.Read wouldn't cause error, so ignore err is safe
return u
}
// UUIDMap https://github.com/XTLS/Xray-core/issues/158#issue-783294090
func UUIDMap(str string) (uuid.UUID, error) {
u, err := uuid.FromString(str)
if err != nil {
return NewUUIDV5(uuid.Nil, str), nil
}
return u, nil
}