Files
golib/certificates/tlsversion/interface.go
2024-10-31 12:04:54 +01:00

105 lines
2.8 KiB
Go

/***********************************************************************************************************************
*
* MIT License
*
* Copyright (c) 2022 Nicolas JUHEL
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*
**********************************************************************************************************************/
package tlsversion
import (
"crypto/tls"
"strings"
)
type Version int
const (
VersionUnknown Version = iota
VersionTLS10 = Version(tls.VersionTLS10)
VersionTLS11 = Version(tls.VersionTLS11)
VersionTLS12 = Version(tls.VersionTLS12)
VersionTLS13 = Version(tls.VersionTLS13)
)
func List() []Version {
return []Version{
VersionTLS13,
VersionTLS12,
VersionTLS11,
VersionTLS10,
}
}
func ListHigh() []Version {
return []Version{
VersionTLS13,
VersionTLS12,
}
}
func Parse(s string) Version {
s = strings.ToLower(s)
s = strings.Replace(s, "tls", "", -1)
s = strings.Replace(s, "ssl", "", -1)
s = strings.Replace(s, ".", "", -1)
s = strings.Replace(s, "-", "", -1)
s = strings.Replace(s, "_", "", -1)
s = strings.Replace(s, " ", "", -1)
s = strings.TrimSpace(s)
switch {
case strings.EqualFold(s, "1"):
return VersionTLS10
case strings.EqualFold(s, "10"):
return VersionTLS10
case strings.EqualFold(s, "11"):
return VersionTLS11
case strings.EqualFold(s, "12"):
return VersionTLS12
case strings.EqualFold(s, "13"):
return VersionTLS13
default:
return VersionUnknown
}
}
func ParseInt(d int) Version {
switch d {
case tls.VersionTLS10:
return VersionTLS10
case tls.VersionTLS11:
return VersionTLS11
case tls.VersionTLS12:
return VersionTLS12
case tls.VersionTLS13:
return VersionTLS13
default:
return VersionUnknown
}
}
func parseBytes(p []byte) Version {
return Parse(string(p))
}