mirror of
https://salsa.debian.org/mdosch/go-sendxmpp
synced 2024-11-12 13:10:25 +00:00
62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
// Copyright 2022 Martin Dosch.
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// Use of this source code is governed by the BSD-2-clause
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"crypto/rand"
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"fmt"
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"log"
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mrand "math/rand"
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"os"
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"time"
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)
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func readFile(path string) (*bytes.Buffer, error) {
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file, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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buffer := new(bytes.Buffer)
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_, err = buffer.ReadFrom(file)
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if err != nil {
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return nil, err
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}
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return buffer, nil
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}
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func getRpad() string {
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var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,;?!+-_§$%&/()=")
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mrand.Seed(time.Now().UnixNano())
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s := make([]rune, mrand.Intn(30)+20)
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for i := range s {
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s[i] = letters[mrand.Intn(len(letters))]
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}
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return string(s)
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}
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func getID() string {
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b := make([]byte, 12)
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_, err := rand.Read(b)
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if err != nil {
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log.Fatal(err)
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}
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id := fmt.Sprintf("%x-%x-%x", b[0:4], b[4:8], b[8:])
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return id
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}
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func getShortID() string {
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b := make([]byte, 4)
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_, err := rand.Read(b)
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if err != nil {
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log.Fatal(err)
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}
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id := fmt.Sprintf("%x", b[0:4])
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return id
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}
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