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client/web: split login from nodeUpdate

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This creates a new /api/up endpoint which is exposed in the login
client, and is solely focused on logging in. Login has been removed from
the nodeUpdate endpoint.

This also adds support in the LoginClientView for a stopped node that
just needs to reconnect, but not necessarily reauthenticate.  This
follows the same pattern in `tailscale up` of just setting the
WantRunning user pref.

Updates tailscale/corp#14335

Signed-off-by: Will Norris <will@tailscale.com>
This commit is contained in:
Will Norris 2023-11-16 17:23:35 -08:00 committed by Will Norris
parent 28684b0538
commit f880c77df0
4 changed files with 116 additions and 76 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
client/web/src/components/app.tsx
View File

@ -3,7 +3,7 @@ import React, { useEffect } from "react"
import LoginToggle from "src/components/login-toggle"
import DeviceDetailsView from "src/components/views/device-details-view"
import HomeView from "src/components/views/home-view"
import LoginClientView from "src/components/views/login-client-view"
import LoginView from "src/components/views/login-view"
import SSHView from "src/components/views/ssh-view"
import { UpdatingView } from "src/components/views/updating-view"
import useAuth, { AuthResponse } from "src/hooks/auth"
@ -39,12 +39,11 @@ function WebClient({
return !data ? (
<div className="text-center py-14">Loading...</div>
) : data.Status === "NeedsLogin" || data.Status === "NoState" ? (
) : data.Status === "NeedsLogin" ||
data.Status === "NoState" ||
data.Status === "Stopped" ? (
// Client not on a tailnet, render login.
<LoginClientView
data={data}
onLoginClick={() => updateNode({ Reauthenticate: true })}
/>
<LoginView data={data} refreshData={refreshData} />
) : (
// Otherwise render the new web client.
<>

54
client/web/src/components/views/login-client-view.tsx → client/web/src/components/views/login-view.tsx
View File

@ -1,22 +1,45 @@
import React from "react"
import React, { useCallback } from "react"
import { apiFetch } from "src/api"
import { NodeData } from "src/hooks/node-data"
import { ReactComponent as TailscaleIcon } from "src/icons/tailscale-icon.svg"
/**
* LoginClientView is rendered when the client is not authenticated
* LoginView is rendered when the client is not authenticated
* to a tailnet.
*/
export default function LoginClientView({
export default function LoginView({
data,
onLoginClick,
refreshData,
}: {
data: NodeData
onLoginClick: () => void
refreshData: () => void
}) {
const login = useCallback(
(opt: TailscaleUpOptions) => {
tailscaleUp(opt).then(refreshData)
},
[refreshData]
)
return (
<div className="mb-8 py-6 px-8 bg-white rounded-md shadow-2xl">
<TailscaleIcon className="my-2 mb-8" />
{data.IP ? (
{data.Status == "Stopped" ? (
<>
<div className="mb-6">
<h3 className="text-3xl font-semibold mb-3">Connect</h3>
<p className="text-gray-700">
Your device is disconnected from Tailscale.
</p>
</div>
<button
onClick={() => login({})}
className="button button-blue w-full mb-4"
>
Connect to Tailscale
</button>
</>
) : data.IP ? (
<>
<div className="mb-6">
<p className="text-gray-700">
@ -33,7 +56,7 @@ export default function LoginClientView({
</p>
</div>
<button
onClick={onLoginClick}
onClick={() => login({ Reauthenticate: true })}
className="button button-blue w-full mb-4"
>
Reauthenticate
@ -53,7 +76,7 @@ export default function LoginClientView({
</p>
</div>
<button
onClick={onLoginClick}
onClick={() => login({ Reauthenticate: true })}
className="button button-blue w-full mb-4"
>
Log In
@ -63,3 +86,18 @@ export default function LoginClientView({
</div>
)
}
type TailscaleUpOptions = {
Reauthenticate?: boolean // force reauthentication
}
function tailscaleUp(options: TailscaleUpOptions) {
return apiFetch("/up", "POST", options)
.then((r) => r.json())
.then((d) => {
d.url && window.open(d.url, "_blank")
})
.catch((e) => {
console.error("Failed to login:", e)
})
}

6
client/web/src/hooks/node-data.ts
View File

@ -47,8 +47,6 @@ export type UserProfile = {
export type NodeUpdate = {
AdvertiseRoutes?: string
AdvertiseExitNode?: boolean
Reauthenticate?: boolean
ForceLogout?: boolean
}
export type PrefsUpdate = {
@ -107,10 +105,6 @@ export default function useNodeData() {
if (err) {
throw new Error(err)
}
const url = r["url"]
if (url) {
window.open(url, "_blank")
}
refreshData()
})
.catch((err) => {

121
client/web/web.go
View File

@ -371,22 +371,14 @@ func (s *Server) authorizeRequest(w http.ResponseWriter, r *http.Request) (ok bo
// which protects the handler using gorilla csrf.
func (s *Server) serveLoginAPI(w http.ResponseWriter, r *http.Request) {
w.Header().Set("X-CSRF-Token", csrf.Token(r))
if r.URL.Path != "/api/data" { // only endpoint allowed for login client
http.Error(w, "invalid endpoint", http.StatusNotFound)
return
}
switch r.Method {
case httpm.GET:
// TODO(soniaappasamy): we may want a minimal node data response here
switch {
case r.URL.Path == "/api/data" && r.Method == httpm.GET:
s.serveGetNodeData(w, r)
return
case httpm.POST:
// TODO(will): refactor to expose only a dedicated login method
s.servePostNodeUpdate(w, r)
return
case r.URL.Path == "/api/up" && r.Method == httpm.POST:
s.serveTailscaleUp(w, r)
default:
http.Error(w, "invalid endpoint or method", http.StatusNotFound)
}
http.Error(w, "invalid endpoint", http.StatusNotFound)
return
}
type authType string
@ -648,19 +640,11 @@ func (s *Server) serveGetNodeData(w http.ResponseWriter, r *http.Request) {
type nodeUpdate struct {
AdvertiseRoutes string
AdvertiseExitNode bool
Reauthenticate bool
ForceLogout bool
}
func (s *Server) servePostNodeUpdate(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
st, err := s.lc.Status(r.Context())
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
var postData nodeUpdate
type mi map[string]any
if err := json.NewDecoder(r.Body).Decode(&postData); err != nil {
@ -706,46 +690,30 @@ func (s *Server) servePostNodeUpdate(w http.ResponseWriter, r *http.Request) {
}
w.Header().Set("Content-Type", "application/json")
var reauth, logout bool
if postData.Reauthenticate {
reauth = true
}
if postData.ForceLogout {
logout = true
}
s.logf("tailscaleUp(reauth=%v, logout=%v) ...", reauth, logout)
url, err := s.tailscaleUp(r.Context(), st, postData)
s.logf("tailscaleUp = (URL %v, %v)", url != "", err)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
json.NewEncoder(w).Encode(mi{"error": err.Error()})
return
}
if url != "" {
json.NewEncoder(w).Encode(mi{"url": url})
} else {
io.WriteString(w, "{}")
}
io.WriteString(w, "{}")
}
func (s *Server) tailscaleUp(ctx context.Context, st *ipnstate.Status, postData nodeUpdate) (authURL string, retErr error) {
if postData.ForceLogout {
if err := s.lc.Logout(ctx); err != nil {
return "", fmt.Errorf("Logout error: %w", err)
}
return "", nil
}
// tailscaleUp starts the daemon with the provided options.
// If reauthentication has been requested, an authURL is returned to complete device registration.
func (s *Server) tailscaleUp(ctx context.Context, st *ipnstate.Status, opt tailscaleUpOptions) (authURL string, retErr error) {
origAuthURL := st.AuthURL
isRunning := st.BackendState == ipn.Running.String()
forceReauth := postData.Reauthenticate
if !forceReauth {
if origAuthURL != "" {
if !opt.Reauthenticate {
switch {
case origAuthURL != "":
return origAuthURL, nil
}
if isRunning {
case isRunning:
return "", nil
case st.BackendState == ipn.Stopped.String():
// stopped and not reauthenticating, so just start running
_, err := s.lc.EditPrefs(ctx, &ipn.MaskedPrefs{
Prefs: ipn.Prefs{
WantRunning: true,
},
WantRunningSet: true,
})
return "", err
}
}
@ -767,7 +735,7 @@ func (s *Server) tailscaleUp(ctx context.Context, st *ipnstate.Status, postData
if !isRunning {
s.lc.Start(ctx, ipn.Options{})
}
if forceReauth {
if opt.Reauthenticate {
s.lc.StartLoginInteractive(ctx)
}
}()
@ -787,6 +755,47 @@ func (s *Server) tailscaleUp(ctx context.Context, st *ipnstate.Status, postData
}
}
type tailscaleUpOptions struct {
// If true, force reauthentication of the client.
// Otherwise simply reconnect, the same as running `tailscale up`.
Reauthenticate bool
}
// serveTailscaleUp serves requests to /api/up.
// If the user needs to authenticate, an authURL is provided in the response.
func (s *Server) serveTailscaleUp(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
st, err := s.lc.Status(r.Context())
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
var opt tailscaleUpOptions
type mi map[string]any
if err := json.NewDecoder(r.Body).Decode(&opt); err != nil {
w.WriteHeader(400)
json.NewEncoder(w).Encode(mi{"error": err.Error()})
return
}
w.Header().Set("Content-Type", "application/json")
s.logf("tailscaleUp(reauth=%v) ...", opt.Reauthenticate)
url, err := s.tailscaleUp(r.Context(), st, opt)
s.logf("tailscaleUp = (URL %v, %v)", url != "", err)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
json.NewEncoder(w).Encode(mi{"error": err.Error()})
return
}
if url != "" {
json.NewEncoder(w).Encode(mi{"url": url})
} else {
io.WriteString(w, "{}")
}
}
// proxyRequestToLocalAPI proxies the web API request to the localapi.
//
// The web API request path is expected to exactly match a localapi path,