35 lines
801 B
Go
35 lines
801 B
Go
package server
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import (
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"log/slog"
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"net"
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)
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// GetLANIP returns the first non-loopback IPv4 address.
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func GetLANIP() (string, error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", err
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}
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for _, addr := range addrs {
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if ipNet, ok := addr.(*net.IPNet); ok && !ipNet.IP.IsLoopback() && ipNet.IP.To4() != nil {
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return ipNet.IP.String(), nil
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}
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}
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return "", fmt.Errorf("no LAN IP found")
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}
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// GenerateToken creates a cryptographically random token for WS auth.
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func GenerateToken() string {
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b := make([]byte, 16)
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if _, err := rand.Read(b); err != nil {
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slog.Error("failed to generate token", "error", err)
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// Fallback to a less secure but functional token
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return "voicepaste-fallback-token"
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}
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return hex.EncodeToString(b)
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}
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