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import { app, BrowserWindow, protocol, session } from "electron";
import { stat } from "node:fs/promises";
import { createReadStream } from "node:fs";
import path from "node:path";
import { Readable } from "node:stream";
import { cancelAllExports, registerExportHandlers } from "./export.js";
const contentTypes: Record<string, string> = {
".html": "text/html; charset=utf-8",
".js": "text/javascript; charset=utf-8",
".css": "text/css; charset=utf-8",
".json": "application/json; charset=utf-8",
".wasm": "application/wasm",
".png": "image/png",
".jpg": "image/jpeg",
".svg": "image/svg+xml",
".ico": "image/x-icon",
".woff2": "font/woff2",
".mp4": "video/mp4",
".webm": "video/webm",
".txt": "text/plain; charset=utf-8",
".xml": "application/xml; charset=utf-8",
".map": "application/json; charset=utf-8",
};
protocol.registerSchemesAsPrivileged([
{
scheme: "opencut",
privileges: {
standard: true,
secure: true,
supportFetchAPI: true,
stream: true,
bypassCSP: false,
},
},
]);
function registerWebProtocol(): void {
const webDir = app.isPackaged
? path.join(process.resourcesPath, "web")
: path.join(__dirname, "..", "web");
protocol.handle("opencut", async (request) => {
const url = new URL(request.url);
const pathname = decodeURIComponent(url.pathname);
const resolved = path.normalize(path.join(webDir, pathname));
if (resolved !== webDir && !resolved.startsWith(`${webDir}${path.sep}`)) {
return new Response("Forbidden", { status: 403 });
}
let filePath = resolved;
let info = await stat(filePath).catch(() => null);
if (info?.isDirectory() || (!info && path.extname(filePath) === "")) {
filePath = path.join(resolved, "index.html");
info = await stat(filePath).catch(() => null);
}
if (!info?.isFile()) {
return new Response("Not found", { status: 404 });
}
const contentType = contentTypes[path.extname(filePath).toLowerCase()];
if (!contentType) {
return new Response("Not found", { status: 404 });
}
const stream = Readable.toWeb(createReadStream(filePath));
return new Response(stream as ReadableStream, {
headers: { "Content-Type": contentType },
});
});
}
function registerMediaPermissions(): void {
session.defaultSession.setPermissionRequestHandler(
(webContents, permission, callback) => {
if (permission !== "media") {
callback(false);
return;
}
const currentUrl = webContents.getURL();
if (!currentUrl) {
callback(false);
return;
}
const url = new URL(currentUrl);
if (url.protocol === "opencut:") {
callback(true);
return;
}
const devServerUrl = process.env.OPENCUT_DEV_SERVER_URL;
if (devServerUrl) {
const devUrl = new URL(devServerUrl);
callback(url.origin === devUrl.origin);
return;
}
callback(false);
},
);
}
function createWindow(): void {
const win = new BrowserWindow({
width: 1440,
height: 900,
minWidth: 960,
minHeight: 600,
backgroundColor: "#0a0a0a",
autoHideMenuBar: true,
webPreferences: {
preload: path.join(__dirname, "preload.js"),
contextIsolation: true,
nodeIntegration: false,
sandbox: false,
},
});
const devServerUrl = process.env.OPENCUT_DEV_SERVER_URL;
if (devServerUrl) {
win.loadURL(devServerUrl);
return;
}
win.loadURL("opencut://app/");
}
const gotSingleInstanceLock = app.requestSingleInstanceLock();
if (!gotSingleInstanceLock) {
app.quit();
} else {
app.on("second-instance", () => {
const [win] = BrowserWindow.getAllWindows();
if (!win) return;
if (win.isMinimized()) win.restore();
win.focus();
});
app.whenReady().then(() => {
registerWebProtocol();
registerMediaPermissions();
registerExportHandlers();
createWindow();
app.on("activate", () => {
if (BrowserWindow.getAllWindows().length === 0) createWindow();
});
});
}
app.on("window-all-closed", () => {
app.quit();
});
app.on("will-quit", () => {
cancelAllExports();
});
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