2016-11-11 21:48:00 +07:00
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package main
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import (
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2016-11-13 19:50:44 +07:00
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"crypto/rand"
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"github.com/satori/go.uuid"
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"math/big"
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2016-11-11 21:48:00 +07:00
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"regexp"
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2016-11-13 19:50:44 +07:00
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"strings"
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2016-11-11 21:48:00 +07:00
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)
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2016-11-13 19:50:44 +07:00
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func SanitizeString(s string) string {
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// URL safe base64 alphabet without padding as defined in ACME
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re, err := regexp.Compile("[^A-Za-z\\-\\_0-9]+")
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2016-11-11 21:48:00 +07:00
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if err != nil {
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log.Errorf("%v", err)
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return ""
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}
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2016-11-13 19:50:44 +07:00
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return re.ReplaceAllString(s, "")
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}
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func GeneratePassword(length int) (string, error) {
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ret := make([]byte, length)
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const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-_"
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alphalen := big.NewInt(int64(len(alphabet)))
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for i := 0; i < length; i++ {
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c, err := rand.Int(rand.Reader, alphalen)
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if err != nil {
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return "", err
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}
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r := int(c.Int64())
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ret[i] = alphabet[r]
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}
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return string(ret), nil
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}
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func SanitizeDomainQuestion(d string) string {
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var dom string
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dns_suff := DnsConf.General.Domain + "."
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if strings.HasSuffix(d, dns_suff) {
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dom = d[0 : len(d)-len(dns_suff)]
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} else {
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dom = d
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}
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return dom
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}
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func NewACMETxt() (ACMETxt, error) {
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var a ACMETxt = ACMETxt{}
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password, err := GeneratePassword(40)
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if err != nil {
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return a, err
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2016-11-11 21:48:00 +07:00
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}
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2016-11-13 19:50:44 +07:00
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a.Username = uuid.NewV4()
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a.Password = password
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a.Subdomain = uuid.NewV4().String()
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return a, nil
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2016-11-11 21:48:00 +07:00
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}
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