ama*_*iny 12 security electron
这是我的设置：
步骤 1. 使用以下代码创建一个 preload.js 文件：
window.ipcRenderer = require('electron').ipcRenderer;
步骤 2. 通过 webPreferences 在 main.js 中预加载此文件：
mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: false,
preload: __dirname + '/preload.js'
}
});
步骤 3. 在渲染器中：
console.log(window.ipcRenderer); // Works!
现在按照 Electron 的安全指南，我想转contextIsolation=true：https : //electronjs.org/docs/tutorial/security#3-enable-context-isolation-for-remote-content
步骤 2 之二。
mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
contextIsolation: true,
nodeIntegration: false,
preload: __dirname + '/preload.js'
}
});
第 3 步之二。在渲染器中：
console.log(window.ipcRenderer); // undefined
问题：我可以在什么时候使用ipcRenderercontextIsolation=true吗？
Zac*_*Zac 20
您可以按照此处概述的设置进行操作。secure-electron-template本质上正在使用此设置，这是您可以执行的操作：
主文件
const {
app,
BrowserWindow,
ipcMain
} = require("electron");
const path = require("path");
const fs = require("fs");
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win;
async function createWindow() {
// Create the browser window.
win = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: false, // is default value after Electron v5
contextIsolation: true, // protect against prototype pollution
enableRemoteModule: false, // turn off remote
preload: path.join(__dirname, "preload.js") // use a preload script
}
});
// Load app
win.loadFile(path.join(__dirname, "dist/index.html"));
// rest of code..
}
app.on("ready", createWindow);
ipcMain.on("toMain", (event, args) => {
fs.readFile("path/to/file", (error, data) => {
// Do something with file contents
// Send result back to renderer process
win.webContents.send("fromMain", responseObj);
});
});
预加载.js
const {
contextBridge,
ipcRenderer
} = require("electron");
// Expose protected methods that allow the renderer process to use
// the ipcRenderer without exposing the entire object
contextBridge.exposeInMainWorld(
"api", {
send: (channel, data) => {
// whitelist channels
let validChannels = ["toMain"];
if (validChannels.includes(channel)) {
ipcRenderer.send(channel, data);
}
},
receive: (channel, func) => {
let validChannels = ["fromMain"];
if (validChannels.includes(channel)) {
// Deliberately strip event as it includes `sender`
ipcRenderer.on(channel, (event, ...args) => func(...args));
}
}
}
);
索引.html
<!doctype html>
<html lang="en-US">
<head>
<meta charset="utf-8"/>
<title>Title</title>
</head>
<body>
<script>
window.api.receive("fromMain", (data) => {
console.log(`Received ${data} from main process`);
});
window.api.send("toMain", "some data");
</script>
</body>
</html>
您仍然可以在 contextIsolation 设置为 true 的渲染器进程中使用 ipcRenderer。该contextBridge是要干什么用的，虽然有当前的错误是从你在渲染过程调用ipcRenderer.on预防; 您所能做的就是从渲染器进程发送到主进程。
此代码取自安全电子模板，这是一个考虑安全性的 Electron 模板。（我是作者）
预加载.js
const { contextBridge, ipcRenderer } = require("electron");
contextBridge.exposeInMainWorld(
"electron",
{
ipcRenderer: ipcRenderer
}
);
主文件
let win;
async function createWindow() {
// Create the browser window.
win = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: false,
nodeIntegrationInWorker: false,
nodeIntegrationInSubFrames: false,
contextIsolation: true,
enableRemoteModule: false,
preload: path.join(__dirname, "preload.js")
}
});
}
一些 renderer.js 文件
window.electron.ipcRenderer