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paseto.go
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paseto.go
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package intermoni
import (
"encoding/json"
"fmt"
"time"
"aidanwoods.dev/go-paseto"
"go.mongodb.org/mongo-driver/bson/primitive"
)
func Encode(id primitive.ObjectID, role, privateKey string) (string, error) {
token := paseto.NewToken()
token.SetIssuedAt(time.Now())
token.SetNotBefore(time.Now())
token.SetExpiration(time.Now().Add(2 * time.Hour))
token.Set("id", id)
token.SetString("role", role)
secretKey, err := paseto.NewV4AsymmetricSecretKeyFromHex(privateKey)
return token.V4Sign(secretKey, nil), err
}
func Decode(publicKey string, tokenstring string) (payload Payload, err error) {
var token *paseto.Token
var pubKey paseto.V4AsymmetricPublicKey
pubKey, err = paseto.NewV4AsymmetricPublicKeyFromHex(publicKey) // this wil fail if given key in an invalid format
if err != nil {
fmt.Println("Decode NewV4AsymmetricPublicKeyFromHex : ", err)
}
parser := paseto.NewParser() // only used because this example token has expired, use NewParser() (which checks expiry by default)
token, err = parser.ParseV4Public(pubKey, tokenstring, nil) // this will fail if parsing failes, cryptographic checks fail, or validation rules fail
if err != nil {
fmt.Println("Decode ParseV4Public : ", err)
} else {
json.Unmarshal(token.ClaimsJSON(), &payload)
}
return payload, err
}
func GenerateKey() (privateKey, publicKey string) {
secretKey := paseto.NewV4AsymmetricSecretKey() // don't share this!!!
publicKey = secretKey.Public().ExportHex() // DO share this one
privateKey = secretKey.ExportHex()
return privateKey, publicKey
}