Basic auth flow

src/extension.ts

@@ -1,5 +1,6 @@
 import * as podmanDesktopAPI from '@podman-desktop/api';
 import { exec } from './util';
+import { BackendState, StatusResponse, TailscaleUpResponse } from './types'
 
 const containerName = 'tailscale-system';
 const containerImage = 'ghcr.io/spotsnel/tailscale-systemd:latest';
@@ -34,14 +35,20 @@ export async function activate(extensionContext: podmanDesktopAPI.ExtensionConte
     }
   }
 
-  const status = await (await exec('podman', ['exec', containerName, 'tailscale', 'status', '--json'])).stdOut;
-  // check registration status
-  console.log(status);
+  const statusResponse = await getTailscaleStatus()
+  const [status, rawStatus] = statusResponse
 
+  // check registration status
   // if not registered => "BackendState": "NeedsLogin"
-  //   register
+  if (status.BackendState === "NeedsLogin") {
+    // no markdown description
+    //const upResponse = await getTailscaleUp()
 
-  // else, get status
+    await podmanDesktopAPI.window.showInformationMessage(
+      'Please register node to your tailnet\n\n' + status.AuthURL,
+      'OK',
+    );
+  }
 
   // set statusbar
   //const item = podmanDesktopAPI.window.createStatusBarItem(podmanDesktopAPI.StatusBarAlignRight, 100);
@@ -53,3 +60,13 @@ export async function activate(extensionContext: podmanDesktopAPI.ExtensionConte
 export function deactivate(): void {
   console.log('Deactivating Tailscale extension');
 }
+
+async function getTailscaleStatus(): Promise<[StatusResponse, string]> {
+  const status = await (await exec('podman', ['exec', containerName, 'tailscale status --json']))
+  return [JSON.parse(status.stdOut), status.stdOut]
+}
+
+async function getTailscaleUp(): Promise<[TailscaleUpResponse, string]> {
+  const up = await (await exec('podman', ['exec', containerName, 'tailscale up --reset --force-reauth --json']))
+  return [JSON.parse(up.stdOut), up.stdOut]
+}

src/types.ts

@@ -0,0 +1,44 @@
+// BackendState
+// Keep in sync with https://github.com/tailscale/tailscale/blob/main/ipn/backend.go
+export type BackendState =
+  | "NoState"
+  | "NeedsMachineAuth"
+  | "NeedsLogin"
+  | "InUseOtherUser"
+  | "Stopped"
+  | "Starting"
+  | "Running"
+
+export type StatusResponse = {
+  BackendState: BackendState
+  AuthURL: string
+  Self: {
+    ID: string
+    UserID: number
+    HostName: string
+    DNSName: string
+    OS: string
+    TailscaleIPs: string[]
+    Capabilities: string[]
+  }
+  User: Record<string, TailscaleUser> | null
+  CurrentTailnet: {
+    Name: string
+    MagicDNSSuffix: string
+    MagicDNSEnabled: boolean
+  } | null
+}
+
+export type TailscaleUser = {
+  ID: number
+  LoginName: string
+  DisplayName: string
+  ProfilePicURL: string
+  Roles: string[]
+}
+
+export type TailscaleUpResponse = {
+    BackendState: BackendState
+    AuthURL?: string // e.g. https://login.tailscale.com/a/0123456789abcdef
+    QR?: string // a DataURL-encoded QR code PNG of the AuthURL
+  }