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[Bug] Unsafe functions in preload contextBridge #522

@hyperknot

Description

@hyperknot

Describe the bug

Electron's documentation especially recommends against the pattern used in preload. They are unsafe.

contextBridge.exposeInMainWorld('ipcRenderer', {
on(...args: Parameters<typeof ipcRenderer.on>) {
const [channel, listener] = args
return ipcRenderer.on(channel, (event, ...args) => listener(event, ...args))
},
off(...args: Parameters<typeof ipcRenderer.off>) {
const [channel, ...omit] = args
return ipcRenderer.off(channel, ...omit)
},
send(...args: Parameters<typeof ipcRenderer.send>) {
const [channel, ...omit] = args
return ipcRenderer.send(channel, ...omit)
},
invoke(...args: Parameters<typeof ipcRenderer.invoke>) {
const [channel, ...omit] = args
return ipcRenderer.invoke(channel, ...omit)
},
// You can expose other APTs you need here.
// ...
})

Documentation:
https://www.electronjs.org/docs/latest/tutorial/context-isolation#security-considerations

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