mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-11-16 19:56:51 +08:00
42 lines
1003 B
Go
42 lines
1003 B
Go
package outbound
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import (
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"crypto/ecdh"
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"encoding/base64"
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"encoding/hex"
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"errors"
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"fmt"
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tlsC "github.com/metacubex/mihomo/component/tls"
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)
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type RealityOptions struct {
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PublicKey string `proxy:"public-key"`
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ShortID string `proxy:"short-id"`
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}
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func (o RealityOptions) Parse() (*tlsC.RealityConfig, error) {
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if o.PublicKey != "" {
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config := new(tlsC.RealityConfig)
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const x25519ScalarSize = 32
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var publicKey [x25519ScalarSize]byte
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n, err := base64.RawURLEncoding.Decode(publicKey[:], []byte(o.PublicKey))
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if err != nil || n != x25519ScalarSize {
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return nil, errors.New("invalid REALITY public key")
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}
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config.PublicKey, err = ecdh.X25519().NewPublicKey(publicKey[:])
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if err != nil {
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return nil, fmt.Errorf("fail to create REALITY public key: %w", err)
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}
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n, err = hex.Decode(config.ShortID[:], []byte(o.ShortID))
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if err != nil || n > tlsC.RealityMaxShortIDLen {
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return nil, errors.New("invalid REALITY short ID")
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}
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return config, nil
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}
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return nil, nil
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}
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