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			34 lines
		
	
	
		
			590 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			590 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package util
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| 
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| import (
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| 	"encoding/json"
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| 	"errors"
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| 	"regexp"
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| 
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| 	"tailscale.com/types/key"
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| )
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| 
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| var (
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| 	NodePublicKeyRegex       = regexp.MustCompile("nodekey:[a-fA-F0-9]+")
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| 	ErrCannotDecryptResponse = errors.New("cannot decrypt response")
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| 	ZstdCompression          = "zstd"
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| )
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| 
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| func DecodeAndUnmarshalNaCl(
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| 	msg []byte,
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| 	output interface{},
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| 	pubKey *key.MachinePublic,
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| 	privKey *key.MachinePrivate,
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| ) error {
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| 	decrypted, ok := privKey.OpenFrom(*pubKey, msg)
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| 	if !ok {
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| 		return ErrCannotDecryptResponse
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| 	}
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| 
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| 	if err := json.Unmarshal(decrypted, output); err != nil {
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| 		return err
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| 	}
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| 
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| 	return nil
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| }
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