コード例 #1
0
ファイル: api.go プロジェクト: app-kit/go-appkit
func AuthenticationMiddleware(registry kit.Registry, r kit.Request) (kit.Response, bool) {
	// Handle authentication.
	httpRequest := r.GetHttpRequest()
	userService := registry.UserService()

	if userService == nil {
		return nil, false
	}

	authHeader := httpRequest.Header.Get("Authentication")
	if authHeader == "" {
		return nil, false
	}

	// Check for basic auth.
	if strings.HasPrefix(authHeader, "Basic ") {
		str := authHeader[6:]
		data, err := base64.StdEncoding.DecodeString(str)
		if err != nil {
			return kit.NewErrorResponse("invalid_basic_auth"), false
		} else {
			parts := strings.Split(string(data), ":")
			if len(parts) == 2 {
				userIdentifier := parts[0]
				pw := parts[1]

				user, err := userService.AuthenticateUser(userIdentifier, "password", map[string]interface{}{"password": pw})
				if err != nil {
					return kit.NewErrorResponse(err), false
				}

				r.SetUser(user)
				return nil, false
			}
		}
	}

	// Check for auth token.
	if authHeader != "" {
		token := authHeader
		user, session, err := userService.VerifySession(token)
		if err == nil {
			r.SetUser(user)
			r.SetSession(session)

			return nil, false
		} else {
			return kit.NewErrorResponse(err), false
		}
	}

	return nil, false
}