mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-30 22:26:38 +08:00
ryan
43dc97e48c
- Moved cmd/, core/, plugins/, pkg/, downstream/, and main.go into backend/ directory - Batch updated all Go source files to import github.com/Rain-kl/Wavelet/backend/... - Updated Makefile, scripts/swagger.sh, architecture guards, and platform skills - Passed all quality gates (100% tests, 0 lint issues, clean build)
51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package message_gateway
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import (
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"crypto/rand"
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"strings"
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"unicode"
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)
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// CodeAlphabet excludes easily confused runes 0/O/1/I.
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const CodeAlphabet = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789"
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// CodeLength is the raw pairing code size.
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const CodeLength = 8
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// GenerateCode returns an 8-character pairing code.
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func GenerateCode() (string, error) {
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buf := make([]byte, CodeLength)
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if _, err := rand.Read(buf); err != nil {
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return "", err
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}
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out := make([]byte, CodeLength)
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for i, b := range buf {
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out[i] = CodeAlphabet[int(b)%len(CodeAlphabet)]
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}
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return string(out), nil
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}
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// NormalizeCode strips separators and uppercases.
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func NormalizeCode(s string) string {
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var b strings.Builder
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for _, r := range s {
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if r == '-' || unicode.IsSpace(r) {
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continue
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}
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b.WriteRune(unicode.ToUpper(r))
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}
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return b.String()
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}
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// FormatCode renders ABCD-EFGH.
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func FormatCode(s string) string {
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s = NormalizeCode(s)
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if len(s) != CodeLength {
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return s
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}
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return s[:4] + "-" + s[4:]
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}
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