96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build go1.19
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package tailscale
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/netip"
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)
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// Routes contains the lists of subnet routes that are currently advertised by a device,
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// as well as the subnets that are enabled to be routed by the device.
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type Routes struct {
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AdvertisedRoutes []netip.Prefix `json:"advertisedRoutes"`
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EnabledRoutes []netip.Prefix `json:"enabledRoutes"`
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}
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// Routes retrieves the list of subnet routes that have been enabled for a device.
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// The routes that are returned are not necessarily advertised by the device,
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// they have only been preapproved.
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func (c *Client) Routes(ctx context.Context, deviceID string) (routes *Routes, err error) {
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defer func() {
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if err != nil {
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err = fmt.Errorf("tailscale.Routes: %w", err)
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}
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}()
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path := fmt.Sprintf("%s/api/v2/device/%s/routes", c.baseURL(), deviceID)
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req, err := http.NewRequestWithContext(ctx, "GET", path, nil)
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if err != nil {
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return nil, err
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}
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b, resp, err := c.sendRequest(req)
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if err != nil {
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return nil, err
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}
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// If status code was not successful, return the error.
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// TODO: Change the check for the StatusCode to include other 2XX success codes.
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if resp.StatusCode != http.StatusOK {
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return nil, handleErrorResponse(b, resp)
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}
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var sr Routes
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err = json.Unmarshal(b, &sr)
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return &sr, err
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}
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type postRoutesParams struct {
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Routes []netip.Prefix `json:"routes"`
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}
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// SetRoutes updates the list of subnets that are enabled for a device.
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// Subnets must be parsable by net/netip.ParsePrefix.
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// Subnets do not have to be currently advertised by a device, they may be pre-enabled.
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// Returns the updated list of enabled and advertised subnet routes in a *Routes object.
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func (c *Client) SetRoutes(ctx context.Context, deviceID string, subnets []netip.Prefix) (routes *Routes, err error) {
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defer func() {
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if err != nil {
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err = fmt.Errorf("tailscale.SetRoutes: %w", err)
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}
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}()
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params := &postRoutesParams{Routes: subnets}
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data, err := json.Marshal(params)
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if err != nil {
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return nil, err
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}
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path := fmt.Sprintf("%s/api/v2/device/%s/routes", c.baseURL(), deviceID)
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req, err := http.NewRequestWithContext(ctx, "POST", path, bytes.NewBuffer(data))
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if err != nil {
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return nil, err
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}
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b, resp, err := c.sendRequest(req)
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if err != nil {
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return nil, err
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}
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// If status code was not successful, return the error.
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// TODO: Change the check for the StatusCode to include other 2XX success codes.
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if resp.StatusCode != http.StatusOK {
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return nil, handleErrorResponse(b, resp)
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}
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var srr *Routes
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if err := json.Unmarshal(b, &srr); err != nil {
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return nil, err
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}
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return srr, err
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}
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