49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
// /*
|
|
// Copyright 2025 Peter Kurfer.
|
|
//
|
|
// 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 controller
|
|
|
|
import (
|
|
"bytes"
|
|
"math/rand/v2"
|
|
)
|
|
|
|
func GeneratePW(length uint, random *rand.Rand) []byte {
|
|
var (
|
|
builder = bytes.NewBuffer(nil)
|
|
alphabet = runes('a', 'z') + runes('A', 'Z') + runes('0', '9')
|
|
)
|
|
|
|
if random == nil {
|
|
random = rand.New(rand.NewPCG(0, 0))
|
|
}
|
|
|
|
for range length {
|
|
builder.WriteRune(rune(alphabet[random.IntN(len(alphabet))]))
|
|
}
|
|
|
|
return builder.Bytes()
|
|
}
|
|
|
|
func runes(start, end rune) string {
|
|
result := make([]rune, 0, int(end-start))
|
|
|
|
for current := start; current != end; current++ {
|
|
result = append(result, current)
|
|
}
|
|
|
|
return string(result)
|
|
}
|