auth

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Variables

var JwtAuthentication = func(next http.Handler) http.Handler {

	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		notAuth := []string{"/api/v1/login", "/api/v1/district-summary", "/api/v1/ward-details", "/api/v1/news", "/api/v1/district-summary-latest", "/api/v1/patient-summary", "/api/v1/patient-summary-delta"}
		requestPath := r.URL.Path

		for _, value := range notAuth {
			if value == requestPath {
				next.ServeHTTP(w, r)
				return
			}
		}
		response := make(map[string]interface{})
		tokenHeader := r.Header.Get("Authorization")
		if tokenHeader == "" {
			response = u.Message(false, "Missing auth token")
			w.WriteHeader(http.StatusForbidden)
			w.Header().Add("Content-Type", "application/json")
			u.Respond(w, response)
			return
		}
		splitted := strings.Split(tokenHeader, " ")
		if len(splitted) != 2 {
			response = u.Message(false, "Invalid/Malformed auth token")
			w.WriteHeader(http.StatusForbidden)
			w.Header().Add("Content-Type", "application/json")
			u.Respond(w, response)
			return
		}

		tokenPart := splitted[1]
		tk := &domain.Token{}

		token, err := jwt.ParseWithClaims(tokenPart, tk, func(token *jwt.Token) (interface{}, error) {
			return []byte(config.GetConfig().MH12Config.Application.Token), nil
		})
		if err != nil {
			response = u.Message(false, "Malformed authentication token : "+err.Error())
			w.WriteHeader(http.StatusForbidden)
			w.Header().Add("Content-Type", "application/json")
			u.Respond(w, response)
			return
		}
		if !token.Valid {
			response = u.Message(false, "Token is not valid.")
			w.WriteHeader(http.StatusForbidden)
			w.Header().Add("Content-Type", "application/json")
			u.Respond(w, response)
			return
		}

		fmt.Sprintln("user : ", tk.UserID)
		ctx := context.WithValue(r.Context(), keyPrincipalID, tk.UserID)
		r = r.WithContext(ctx)
		next.ServeHTTP(w, r)
	})
}

JwtAuthentication jwt authentication