Files
CodeNomad/packages/electron-app/electron/main/main.ts
2026-03-28 15:30:14 +00:00

525 lines
13 KiB
TypeScript

import { app, BrowserView, BrowserWindow, nativeImage, session, shell } from "electron"
import http from "node:http"
import https from "node:https"
import { existsSync } from "fs"
import { dirname, join } from "path"
import { fileURLToPath } from "url"
import { createApplicationMenu } from "./menu"
import { setupCliIPC } from "./ipc"
import { configureMediaPermissionHandlers } from "./permissions"
import { CliProcessManager } from "./process-manager"
const mainFilename = fileURLToPath(import.meta.url)
const mainDirname = dirname(mainFilename)
const isMac = process.platform === "darwin"
const cliManager = new CliProcessManager()
let mainWindow: BrowserWindow | null = null
let currentCliUrl: string | null = null
let pendingCliUrl: string | null = null
let pendingBootstrapToken: string | null = null
let showingLoadingScreen = false
let preloadingView: BrowserView | null = null
if (isMac) {
app.commandLine.appendSwitch("disable-spell-checking")
}
function getIconPath() {
if (app.isPackaged) {
return join(process.resourcesPath, "icon.png")
}
return join(mainDirname, "../resources/icon.png")
}
type LoadingTarget =
| { type: "url"; source: string }
| { type: "file"; source: string }
function resolveDevLoadingUrl(): string | null {
if (app.isPackaged) {
return null
}
const devBase = process.env.VITE_DEV_SERVER_URL || process.env.ELECTRON_RENDERER_URL
if (!devBase) {
return null
}
try {
const normalized = devBase.endsWith("/") ? devBase : `${devBase}/`
return new URL("loading.html", normalized).toString()
} catch (error) {
console.warn("[cli] failed to construct dev loading URL", devBase, error)
return null
}
}
function resolveLoadingTarget(): LoadingTarget {
const devUrl = resolveDevLoadingUrl()
if (devUrl) {
return { type: "url", source: devUrl }
}
const filePath = resolveLoadingFilePath()
return { type: "file", source: filePath }
}
function resolveLoadingFilePath() {
const candidates = [
join(app.getAppPath(), "dist/renderer/loading.html"),
join(process.resourcesPath, "dist/renderer/loading.html"),
join(mainDirname, "../dist/renderer/loading.html"),
]
for (const candidate of candidates) {
if (existsSync(candidate)) {
return candidate
}
}
return join(app.getAppPath(), "dist/renderer/loading.html")
}
function loadLoadingScreen(window: BrowserWindow) {
const target = resolveLoadingTarget()
const loader =
target.type === "url"
? window.loadURL(target.source)
: window.loadFile(target.source)
loader.catch((error) => {
console.error("[cli] failed to load loading screen:", error)
})
}
function getAllowedRendererOrigins(): string[] {
const origins = new Set<string>()
const rendererCandidates = [currentCliUrl, process.env.VITE_DEV_SERVER_URL, process.env.ELECTRON_RENDERER_URL]
for (const candidate of rendererCandidates) {
if (!candidate) {
continue
}
try {
origins.add(new URL(candidate).origin)
} catch (error) {
console.warn("[cli] failed to parse origin for", candidate, error)
}
}
return Array.from(origins)
}
function shouldOpenExternally(url: string): boolean {
try {
const parsed = new URL(url)
if (parsed.protocol !== "http:" && parsed.protocol !== "https:") {
return true
}
const allowedOrigins = getAllowedRendererOrigins()
return !allowedOrigins.includes(parsed.origin)
} catch {
return false
}
}
function setupNavigationGuards(window: BrowserWindow) {
const handleExternal = (url: string) => {
shell.openExternal(url).catch((error) => console.error("[cli] failed to open external URL", url, error))
}
window.webContents.setWindowOpenHandler(({ url }) => {
if (shouldOpenExternally(url)) {
handleExternal(url)
return { action: "deny" }
}
return { action: "allow" }
})
window.webContents.on("will-navigate", (event, url) => {
if (shouldOpenExternally(url)) {
event.preventDefault()
handleExternal(url)
}
})
}
let cachedPreloadPath: string | null = null
function getPreloadPath() {
if (cachedPreloadPath && existsSync(cachedPreloadPath)) {
return cachedPreloadPath
}
const candidates = [
join(process.resourcesPath, "preload/index.js"),
join(mainDirname, "../preload/index.js"),
join(mainDirname, "../preload/index.cjs"),
join(mainDirname, "../../preload/index.cjs"),
join(mainDirname, "../../electron/preload/index.cjs"),
join(app.getAppPath(), "preload/index.cjs"),
join(app.getAppPath(), "electron/preload/index.cjs"),
]
for (const candidate of candidates) {
if (existsSync(candidate)) {
cachedPreloadPath = candidate
return candidate
}
}
return join(mainDirname, "../preload/index.js")
}
function destroyPreloadingView(target?: BrowserView | null) {
const view = target ?? preloadingView
if (!view) {
return
}
try {
const contents = view.webContents as any
contents?.destroy?.()
} catch (error) {
console.warn("[cli] failed to destroy preloading view", error)
}
if (!target || view === preloadingView) {
preloadingView = null
}
}
function createWindow() {
const prefersDark = true
const backgroundColor = prefersDark ? "#1a1a1a" : "#ffffff"
const iconPath = getIconPath()
mainWindow = new BrowserWindow({
width: 1400,
height: 900,
minWidth: 800,
minHeight: 600,
backgroundColor,
icon: iconPath,
webPreferences: {
preload: getPreloadPath(),
contextIsolation: true,
nodeIntegration: false,
spellcheck: !isMac,
},
})
setupNavigationGuards(mainWindow)
if (isMac) {
mainWindow.webContents.session.setSpellCheckerEnabled(false)
}
showingLoadingScreen = true
currentCliUrl = null
loadLoadingScreen(mainWindow)
if (process.env.NODE_ENV === "development") {
mainWindow.webContents.openDevTools({ mode: "detach" })
}
createApplicationMenu(mainWindow)
setupCliIPC(mainWindow, cliManager)
mainWindow.on("closed", () => {
destroyPreloadingView()
mainWindow = null
currentCliUrl = null
pendingCliUrl = null
showingLoadingScreen = false
})
if (pendingCliUrl) {
const url = pendingCliUrl
pendingCliUrl = null
startCliPreload(url)
}
}
function showLoadingScreen(force = false) {
if (!mainWindow || mainWindow.isDestroyed()) {
return
}
if (showingLoadingScreen && !force) {
return
}
destroyPreloadingView()
showingLoadingScreen = true
currentCliUrl = null
pendingCliUrl = null
loadLoadingScreen(mainWindow)
}
function isBootstrapTokenUrl(url: string): boolean {
try {
const parsed = new URL(url)
return parsed.pathname === "/auth/token" && parsed.hash.length > 1
} catch {
return false
}
}
function startCliPreload(url: string) {
if (!mainWindow || mainWindow.isDestroyed()) {
pendingCliUrl = url
return
}
if (currentCliUrl === url && !showingLoadingScreen) {
return
}
pendingCliUrl = url
destroyPreloadingView()
if (!showingLoadingScreen) {
showLoadingScreen(true)
}
// Important: /auth/token#... is one-time. Preloading + swapping would load it twice,
// consuming the token in the hidden view and then failing in the main window.
if (isBootstrapTokenUrl(url)) {
finalizeCliSwap(url)
return
}
const view = new BrowserView({
webPreferences: {
contextIsolation: true,
nodeIntegration: false,
spellcheck: !isMac,
},
})
preloadingView = view
view.webContents.once("did-finish-load", () => {
if (preloadingView !== view) {
destroyPreloadingView(view)
return
}
finalizeCliSwap(url)
})
view.webContents.loadURL(url).catch((error) => {
console.error("[cli] failed to preload CLI view:", error)
if (preloadingView === view) {
destroyPreloadingView(view)
}
})
}
function finalizeCliSwap(url: string) {
destroyPreloadingView()
if (!mainWindow || mainWindow.isDestroyed()) {
pendingCliUrl = url
return
}
showingLoadingScreen = false
currentCliUrl = url
pendingCliUrl = null
mainWindow.loadURL(url).catch((error) => console.error("[cli] failed to load CLI view:", error))
}
const SESSION_COOKIE_NAME = "codenomad_session"
let bootstrapExchangeInFlight = false
function extractCookieValue(setCookieHeader: string | string[] | undefined, name: string): string | null {
const raw = Array.isArray(setCookieHeader) ? setCookieHeader[0] : setCookieHeader
if (!raw) return null
const first = raw.split(";")[0] ?? ""
const index = first.indexOf("=")
if (index < 0) return null
const key = first.slice(0, index).trim()
const value = first.slice(index + 1).trim()
if (key !== name || !value) return null
try {
return decodeURIComponent(value)
} catch {
return value
}
}
async function exchangeBootstrapToken(baseUrl: string, token: string): Promise<boolean> {
const target = new URL("/api/auth/token", baseUrl)
const body = JSON.stringify({ token })
const transport = target.protocol === "https:" ? https : http
const result = await new Promise<{ statusCode: number; setCookie: string | string[] | undefined }>((resolve, reject) => {
const req = transport.request(
target,
{
method: "POST",
headers: {
"Content-Type": "application/json",
"Content-Length": Buffer.byteLength(body),
},
},
(res) => {
res.resume()
resolve({ statusCode: res.statusCode ?? 0, setCookie: res.headers["set-cookie"] })
},
)
req.on("error", reject)
req.write(body)
req.end()
})
if (result.statusCode !== 200) {
return false
}
const sessionId = extractCookieValue(result.setCookie, SESSION_COOKIE_NAME)
if (!sessionId) {
return false
}
await session.defaultSession.cookies.set({
url: baseUrl,
name: SESSION_COOKIE_NAME,
value: sessionId,
httpOnly: true,
path: "/",
sameSite: "lax",
})
return true
}
async function startCli() {
try {
// In desktop dev workflows we always want the CLI to run in dev mode so it:
// - uses plain HTTP
// - proxies UI requests to the renderer dev server
// Monaco's AMD assets are served from that dev server.
const devMode = !app.isPackaged
console.info("[cli] start requested (dev mode:", devMode, ")")
await cliManager.start({ dev: devMode })
} catch (error) {
const message = error instanceof Error ? error.message : String(error)
console.error("[cli] start failed:", message)
if (mainWindow && !mainWindow.isDestroyed()) {
mainWindow.webContents.send("cli:error", { message })
}
}
}
async function maybeExchangeAndNavigate(baseUrl: string) {
if (bootstrapExchangeInFlight) {
return
}
const token = pendingBootstrapToken
if (!token) {
startCliPreload(baseUrl)
return
}
bootstrapExchangeInFlight = true
try {
const ok = await exchangeBootstrapToken(baseUrl, token)
pendingBootstrapToken = null
if (!ok) {
startCliPreload(`${baseUrl}/login`)
return
}
startCliPreload(baseUrl)
} catch (error) {
console.error("[cli] bootstrap token exchange failed:", error)
pendingBootstrapToken = null
startCliPreload(`${baseUrl}/login`)
} finally {
bootstrapExchangeInFlight = false
}
}
cliManager.on("bootstrapToken", (token) => {
pendingBootstrapToken = token
const status = cliManager.getStatus()
if (status.url) {
void maybeExchangeAndNavigate(status.url)
}
})
cliManager.on("ready", (status) => {
if (!status.url) {
return
}
void maybeExchangeAndNavigate(status.url)
})
cliManager.on("status", (status) => {
if (status.state !== "ready") {
showLoadingScreen()
}
})
if (isMac) {
app.on("web-contents-created", (_, contents) => {
contents.session.setSpellCheckerEnabled(false)
})
}
app.whenReady().then(() => {
// Required for Windows notifications / taskbar grouping.
// Keep in sync with desktop app identifier.
try {
app.setAppUserModelId("ai.neuralnomads.codenomad.client")
} catch {
// ignore
}
startCli()
if (isMac) {
session.defaultSession.setSpellCheckerEnabled(false)
configureMediaPermissionHandlers(getAllowedRendererOrigins)
app.on("browser-window-created", (_, window) => {
window.webContents.session.setSpellCheckerEnabled(false)
})
if (app.dock) {
const dockIcon = nativeImage.createFromPath(getIconPath())
if (!dockIcon.isEmpty()) {
app.dock.setIcon(dockIcon)
}
}
}
createWindow()
app.on("activate", () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow()
}
})
})
app.on("before-quit", async (event) => {
event.preventDefault()
await cliManager.stop().catch(() => {})
app.exit(0)
})
app.on("window-all-closed", () => {
// CodeNomad supports a single window; closing it should quit the app on all platforms.
app.quit()
})