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package middleware
import (
"context"
"encoding/json"
"net/http"
"github.com/boozec/rahanna/internal/api/auth"
)
// AuthMiddleware ensures that the requester has passed the Authorization
// header with a valid JWY token.
// It passes the claims item via context
func AuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
tokenString := r.Header.Get("Authorization")
payloadMap := map[string]string{"error": "unauthorized"}
payload, _ := json.Marshal(payloadMap)
if tokenString == "" {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(payload))
return
}
claims, err := auth.ValidateJWT(tokenString)
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
payload, _ := json.Marshal(payloadMap)
w.Write([]byte(payload))
return
}
ctx := context.WithValue(r.Context(), "claims", claims)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
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