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