Files
rideaware-api/internal/middleware/auth.go
2025-11-20 19:00:53 -06:00

65 lines
1.6 KiB
Go

package middleware
import (
"context"
"encoding/json"
"net/http"
"strings"
"rideaware/internal/config"
)
const UserContextKey = "user"
type AuthMiddleware struct{}
func NewAuthMiddleware() *AuthMiddleware {
return &AuthMiddleware{}
}
func (am *AuthMiddleware) ProtectedRoute(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
authHeader := r.Header.Get("Authorization")
if authHeader == "" {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
json.NewEncoder(w).Encode(map[string]string{
"error": "missing authorization header",
})
return
}
parts := strings.SplitN(authHeader, " ", 2)
if len(parts) != 2 || parts[0] != "Bearer" {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
json.NewEncoder(w).Encode(map[string]string{
"error": "invalid authorization header format",
})
return
}
token := parts[1]
claims, err := config.VerifyToken(token)
if err != nil {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
json.NewEncoder(w).Encode(map[string]string{
"error": "invalid or expired token",
})
return
}
if claims.TokenType != "access" {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
json.NewEncoder(w).Encode(map[string]string{
"error": "refresh token cannot be used for access",
})
return
}
ctx := context.WithValue(r.Context(), UserContextKey, claims)
next.ServeHTTP(w, r.WithContext(ctx))
})
}