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tailscale/cmd/tsconnect/src/login.ts

73 lines
1.8 KiB
TypeScript

// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
import * as qrcode from "qrcode"
export async function showLoginURL(url: string) {
if (loginNode) {
loginNode.remove()
}
loginNode = document.createElement("div")
loginNode.className = "login"
const linkNode = document.createElement("a")
linkNode.href = url
linkNode.target = "_blank"
loginNode.appendChild(linkNode)
try {
const dataURL = await qrcode.toDataURL(url, { width: 512 })
const imageNode = document.createElement("img")
imageNode.src = dataURL
imageNode.width = 256
imageNode.height = 256
imageNode.border = "0"
linkNode.appendChild(imageNode)
} catch (err) {
console.error("Could not generate QR code:", err)
}
linkNode.appendChild(document.createElement("br"))
linkNode.appendChild(document.createTextNode(url))
document.body.appendChild(loginNode)
}
export function hideLoginURL() {
if (!loginNode) {
return
}
loginNode.remove()
loginNode = undefined
}
let loginNode: HTMLDivElement | undefined
export function showLogoutButton(ipn: IPN) {
if (logoutButtonNode) {
logoutButtonNode.remove()
}
logoutButtonNode = document.createElement("button")
logoutButtonNode.className = "logout"
logoutButtonNode.textContent = "Logout"
logoutButtonNode.addEventListener(
"click",
() => {
ipn.logout()
},
{ once: true }
)
const headerNode = document.getElementById("header") as HTMLDivElement
headerNode.appendChild(logoutButtonNode)
}
export function hideLogoutButton() {
if (!logoutButtonNode) {
return
}
logoutButtonNode.remove()
logoutButtonNode = undefined
}
let logoutButtonNode: HTMLButtonElement | undefined