37 lines
941 B
Go
37 lines
941 B
Go
// Package auth verifies staff JWTs issued by core — production has no login
|
|
// of its own and shares JWT_SECRET (HS256) with core out of band.
|
|
package auth
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
type Claims struct {
|
|
StaffID string `json:"staff_id"`
|
|
Name string `json:"name"`
|
|
Role string `json:"role"`
|
|
Permissions []string `json:"permissions"`
|
|
jwt.RegisteredClaims
|
|
}
|
|
|
|
func ParseToken(tokenStr string) (*Claims, error) {
|
|
secret := os.Getenv("JWT_SECRET")
|
|
token, err := jwt.ParseWithClaims(tokenStr, &Claims{}, func(t *jwt.Token) (interface{}, error) {
|
|
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
|
|
return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
|
|
}
|
|
return []byte(secret), nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
claims, ok := token.Claims.(*Claims)
|
|
if !ok || !token.Valid {
|
|
return nil, fmt.Errorf("invalid token")
|
|
}
|
|
return claims, nil
|
|
}
|