136 lines
4.5 KiB
JavaScript
136 lines
4.5 KiB
JavaScript
// If you want to use Phoenix channels, run `mix help phx.gen.channel`
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// to get started and then uncomment the line below.
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// import "./user_socket.js"
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// You can include dependencies in two ways.
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//
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// The simplest option is to put them in assets/vendor and
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// import them using relative paths:
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//
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// import "../vendor/some-package.js"
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//
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// Alternatively, you can `npm install some-package --prefix assets` and import
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// them using a path starting with the package name:
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//
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// import "some-package"
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//
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// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
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import "phoenix_html"
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// Establish Phoenix Socket and LiveView configuration.
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import {Socket} from "phoenix"
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import {LiveSocket} from "phoenix_live_view"
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import topbar from "../vendor/topbar"
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function base64ToArray(base64String) {
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return Uint8Array.from(window.atob(base64String), (c) => c.charCodeAt(0));
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}
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function arrayToBase64(buffer) {
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return window.btoa(
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Array.from(new Uint8Array(buffer), (c) => String.fromCharCode(c)).join("")
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);
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}
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const registrationHook = {
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mounted() {
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this.handleEvent("registration-challenge", (event) => this.handleRegistration(event, this))
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},
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async handleRegistration(event, context) {
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try {
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const {
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attestation,
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challenge,
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rp,
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user,
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timeout,
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excludeCredentials,
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} = event;
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user.id = base64ToArray(user.id)
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excludeCredentials.forEach(cred => {
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cred.id = base64ToArray(cred.id)
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})
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const publicKey = {
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attestation,
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challenge: base64ToArray(challenge),
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excludeCredentials,
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pubKeyCredParams: [{ alg: -7, type: "public-key" }, { alg: -8, type: "public-key" }, { alg: -257, type: "public-key"}],
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authenticatorSelection: {
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authenticatorAttachement: "explicitly invalid, working around bitwarden",
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residentKey: "discouraged"
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},
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user,
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timeout,
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rp,
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}
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const credential = await navigator.credentials.create({ publicKey })
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context.pushEventTo(context.el, "registration-complete", {
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attestation64: arrayToBase64(credential.response.attestationObject),
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clientData: Array.from(new Uint8Array(credential.response.clientDataJSON)),
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id: arrayToBase64(credential.rawId),
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type: credential.type
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})
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} catch (error) {
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console.error(error)
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const { message, name, stack } = error;
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context.pushEventTo(context.el, "error", { message, name, stack });
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}
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}
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}
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const authenticationHook = {
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mounted() {
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this.handleEvent("authentication-challenge", (event) => this.handleAuthentication(event, this))
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},
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async handleAuthentication(event, context) {
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try {
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const {
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challenge, allowCredentials
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} = event;
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allowCredentials.forEach(cred => {
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cred.id = base64ToArray(cred.id)
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})
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const { type, response: { signature, authenticatorData, clientDataJSON, userHandle }, rawId } = await navigator.credentials.get({
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publicKey: {
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challenge: base64ToArray(challenge),
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allowCredentials,
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timeout: 60000
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}
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})
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context.pushEventTo(context.el, "authentication-credential", {
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type: type,
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id: arrayToBase64(rawId),
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signature: arrayToBase64(signature),
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authenticatorData: arrayToBase64(authenticatorData),
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clientData: Array.from(new Uint8Array(clientDataJSON)),
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userHandle: arrayToBase64(userHandle)
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})
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} catch (error) {
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console.error(error)
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const { message, name, stack } = error;
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context.pushEventTo(context.el, "error", { message, name, stack });
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}
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}
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}
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let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
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let liveSocket = new LiveSocket("/live", Socket, {params: {_csrf_token: csrfToken}, hooks: { registrationHook, authenticationHook }})
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// Show progress bar on live navigation and form submits
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topbar.config({barColors: {0: "#29d"}, shadowColor: "rgba(0, 0, 0, .3)"})
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window.addEventListener("phx:page-loading-start", _info => topbar.show(300))
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window.addEventListener("phx:page-loading-stop", _info => topbar.hide())
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// connect if there are any LiveViews on the page
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liveSocket.connect()
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// expose liveSocket on window for web console debug logs and latency simulation:
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// >> liveSocket.enableDebug()
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// >> liveSocket.enableLatencySim(1000) // enabled for duration of browser session
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// >> liveSocket.disableLatencySim()
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window.liveSocket = liveSocket
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