46 lines
1.1 KiB
Go
46 lines
1.1 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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type Claims struct {
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AdminID int `json:"admin_id"`
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Email string `json:"email"`
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jwt.RegisteredClaims
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}
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func SignAdmin(secret string, adminID int, email string, ttl time.Duration) (string, error) {
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claims := Claims{
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AdminID: adminID,
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Email: email,
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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: IssuerAdmin,
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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 ParseAdmin(secret, token string) (*Claims, error) {
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claims := &Claims{}
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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 != IssuerAdmin || claims.AdminID <= 0 {
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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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