client/web: hide admin panel links for non-tailscale control servers

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>

client/web/src/components/app.tsx

@@ -73,7 +73,7 @@ function WebClient({
           <Route path="/ssh">
             <SSHView
               readonly={!auth.canManageNode}
-              runningSSH={data.RunningSSHServer}
+              node={data}
               nodeUpdaters={nodeUpdaters}
             />
           </Route>

client/web/src/components/control-components.tsx

@@ -0,0 +1,57 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+import React from "react"
+import { NodeData } from "src/hooks/node-data"
+
+/**
+ * AdminContainer renders its contents only if the node's control
+ * server has an admin panel.
+ *
+ * TODO(sonia,will): Similarly, this could also hide the contents
+ * if the viewing user is a non-admin.
+ */
+export function AdminContainer({
+  node,
+  children,
+  className,
+}: {
+  node: NodeData
+  children: React.ReactNode
+  className?: string
+}) {
+  if (!node.ControlAdminURL.includes("tailscale.com")) {
+    // Admin panel only exists on Tailscale control servers.
+    return null
+  }
+  return <div className={className}>{children}</div>
+}
+
+/**
+ * AdminLink renders its contents wrapped in a link to the node's control
+ * server admin panel.
+ *
+ * AdminLink is meant for use only inside of a AdminContainer component,
+ * to avoid rendering a link when the node's control server does not have
+ * an admin panel.
+ */
+export function AdminLink({
+  node,
+  children,
+  path,
+}: {
+  node: NodeData
+  children: React.ReactNode
+  path: string // admin path, e.g. "/settings/webhooks"
+}) {
+  return (
+    <a
+      href={`${node.ControlAdminURL}${path}`}
+      className="link"
+      target="_blank"
+      rel="noreferrer"
+    >
+      {children}
+    </a>
+  )
+}

client/web/src/components/views/device-details-view.tsx

@@ -4,10 +4,11 @@
 import cx from "classnames"
 import React from "react"
 import { apiFetch } from "src/api"
+import ACLTag from "src/components/acl-tag"
+import * as Control from "src/components/control-components"
 import { UpdateAvailableNotification } from "src/components/update-available"
 import { NodeData } from "src/hooks/node-data"
 import { useLocation } from "wouter"
-import ACLTag from "../acl-tag"
 
 export default function DeviceDetailsView({
   readonly,
@@ -63,7 +64,7 @@ export default function DeviceDetailsView({
                 <td className="flex gap-1 flex-wrap">
                   {node.IsTagged
                     ? node.Tags.map((t) => <ACLTag key={t} tag={t} />)
-                    : node.Profile.DisplayName}
+                    : node.Profile?.DisplayName}
                 </td>
               </tr>
               <tr>
@@ -119,19 +120,16 @@ export default function DeviceDetailsView({
             </tbody>
           </table>
         </div>
-        <p className="text-neutral-500 text-sm leading-tight text-center">
+        <Control.AdminContainer
+          className="text-neutral-500 text-sm leading-tight text-center"
+          node={node}
+        >
           Want even more details? Visit{" "}
-          <a
-            // TODO: pipe control serve url from backend
-            href="https://login.tailscale.com/admin"
-            target="_blank"
-            rel="noreferrer"
-            className="text-indigo-700 text-sm"
-          >
+          <Control.AdminLink node={node} path={`/machines/${node.IP}`}>
             this device’s page
-          </a>{" "}
+          </Control.AdminLink>{" "}
           in the admin console.
-        </p>
+        </Control.AdminContainer>
       </div>
     </>
   )

client/web/src/components/views/ssh-view.tsx

@@ -2,16 +2,17 @@
 // SPDX-License-Identifier: BSD-3-Clause
 
 import React from "react"
-import { NodeUpdaters } from "src/hooks/node-data"
+import * as Control from "src/components/control-components"
+import { NodeData, NodeUpdaters } from "src/hooks/node-data"
 import Toggle from "src/ui/toggle"
 
 export default function SSHView({
   readonly,
-  runningSSH,
+  node,
   nodeUpdaters,
 }: {
   readonly: boolean
-  runningSSH: boolean
+  node: NodeData
   nodeUpdaters: NodeUpdaters
 }) {
   return (
@@ -31,9 +32,12 @@ export default function SSHView({
       </p>
       <div className="-mx-5 px-4 py-3 bg-white rounded-lg border border-gray-200 flex gap-2.5 mb-3">
         <Toggle
-          checked={runningSSH}
+          checked={node.RunningSSHServer}
           onChange={() =>
-            nodeUpdaters.patchPrefs({ RunSSHSet: true, RunSSH: !runningSSH })
+            nodeUpdaters.patchPrefs({
+              RunSSHSet: true,
+              RunSSH: !node.RunningSSHServer,
+            })
           }
           disabled={readonly}
         />
@@ -41,18 +45,16 @@ export default function SSHView({
           Run Tailscale SSH server
         </div>
       </div>
-      <p className="text-neutral-500 text-sm leading-tight">
+      <Control.AdminContainer
+        className="text-neutral-500 text-sm leading-tight"
+        node={node}
+      >
         Remember to make sure that the{" "}
-        <a
-          href="https://login.tailscale.com/admin/acls/"
-          className="text-indigo-700"
-          target="_blank"
-          rel="noreferrer"
-        >
+        <Control.AdminLink node={node} path="/acls">
           tailnet policy file
-        </a>{" "}
+        </Control.AdminLink>{" "}
         allows other devices to SSH into this device.
-      </p>
+      </Control.AdminContainer>
     </>
   )
 }

client/web/src/components/views/subnet-router-view.tsx

@@ -5,6 +5,7 @@ import React, { useMemo, useState } from "react"
 import { ReactComponent as CheckCircle } from "src/assets/icons/check-circle.svg"
 import { ReactComponent as Clock } from "src/assets/icons/clock.svg"
 import { ReactComponent as Plus } from "src/assets/icons/plus.svg"
+import * as Control from "src/components/control-components"
 import { NodeData, NodeUpdaters } from "src/hooks/node-data"
 import Button from "src/ui/button"
 import Input from "src/ui/input"
@@ -122,18 +123,16 @@ export default function SubnetRouterView({
                 </div>
               ))}
             </div>
-            <div className="mt-3 w-full text-center text-neutral-500 text-sm leading-tight">
+            <Control.AdminContainer
+              className="mt-3 w-full text-center text-neutral-500 text-sm leading-tight"
+              node={node}
+            >
               To approve routes, in the admin console go to{" "}
-              <a
-                href={`https://login.tailscale.com/admin/machines/${node.IP}`}
-                className="text-indigo-700"
-                target="_blank"
-                rel="noreferrer"
-              >
+              <Control.AdminLink node={node} path={`/machines/${node.IP}`}>
                 the machine’s route settings
-              </a>
+              </Control.AdminLink>
               .
-            </div>
+            </Control.AdminContainer>
           </>
         ) : (
           <div className="px-5 py-4 bg-stone-50 rounded-lg border border-gray-200 text-center text-neutral-500">

client/web/src/hooks/node-data.ts

@@ -19,7 +19,6 @@ export type NodeData = {
   UsingExitNode?: ExitNode
   AdvertisingExitNode: boolean
   AdvertisedRoutes?: SubnetRoute[]
-  LicensesURL: string
   TUNMode: boolean
   IsSynology: boolean
   DSMVersion: number
@@ -33,6 +32,8 @@ export type NodeData = {
   IsTagged: boolean
   Tags: string[]
   RunningSSHServer: boolean
+  ControlAdminURL: string
+  LicensesURL: string
 }
 
 type NodeState =
@@ -204,5 +205,10 @@ export default function useNodeData() {
     ]
   )
 
-  return { data, refreshData, nodeUpdaters, isPosting }
+  return {
+    data: { ...data, ControlAdminURL: "somehting.com" },
+    refreshData,
+    nodeUpdaters,
+    isPosting,
+  }
 }

client/web/web.go

@@ -561,7 +561,8 @@ type nodeData struct {
 
 	ClientVersion *tailcfg.ClientVersion
 
-	LicensesURL string
+	ControlAdminURL string
+	LicensesURL     string
 }
 
 type subnetRoute struct {
@@ -596,8 +597,10 @@ func (s *Server) serveGetNodeData(w http.ResponseWriter, r *http.Request) {
 		UnraidToken:      os.Getenv("UNRAID_CSRF_TOKEN"),
 		RunningSSHServer: prefs.RunSSH,
 		URLPrefix:        strings.TrimSuffix(s.pathPrefix, "/"),
+		ControlAdminURL:  prefs.AdminPageURL(),
 		LicensesURL:      licenses.LicensesURL(),
 	}
+
 	cv, err := s.lc.CheckUpdate(r.Context())
 	if err != nil {
 		s.logf("could not check for updates: %v", err)

ipn/prefs.go

@@ -570,7 +570,7 @@ func (p *Prefs) AdminPageURL() string {
 		// TODO(crawshaw): In future release, make this https://console.tailscale.com
 		url = "https://login.tailscale.com"
 	}
-	return url + "/admin/machines"
+	return url + "/admin"
 }
 
 // AdvertisesExitNode reports whether p is advertising both the v4 and