50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
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package auth
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import (
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"errors"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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const IssuerAdmin = "ark-admin"
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const IssuerUserWallet = "ark-user"
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type UserWalletClaims struct {
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Wallet string `json:"wallet"`
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Role string `json:"role"`
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jwt.RegisteredClaims
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}
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func SignUserWallet(secret, wallet string, ttl time.Duration) (string, error) {
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claims := UserWalletClaims{
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Wallet: wallet,
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Role: "user",
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(ttl)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Issuer: IssuerUserWallet,
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Subject: wallet,
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},
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}
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t := jwt.NewWithClaims(jwt.SigningMethodHS256, &claims)
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return t.SignedString([]byte(secret))
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}
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func ParseUserWallet(secret, token string) (*UserWalletClaims, error) {
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claims := &UserWalletClaims{}
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parsed, err := jwt.ParseWithClaims(token, claims, func(t *jwt.Token) (any, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("unexpected signing method")
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}
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return []byte(secret), nil
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})
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if err != nil {
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return nil, err
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}
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if !parsed.Valid || claims.Issuer != IssuerUserWallet {
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return nil, errors.New("invalid token")
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}
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return claims, nil
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}
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