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feat: add USB protected classes handler (#38263)

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* feat: add USB protected classes handler

* chore: apply review suggestions

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* chore: update docs

* chore: apply review suggestions

* update doc per suggestion

---------

Co-authored-by: Charles Kerr <charles@charleskerr.com>
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John Kleinschmidt 2023-05-30 12:35:25 -04:00 • committed by GitHub
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49
docs/api/session.md
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@ -1091,6 +1091,55 @@ app.whenReady().then(() => {
})
```
#### `ses.setUSBProtectedClassesHandler(handler)`
* `handler` Function\<string[]> | null
* `details` Object
* `protectedClasses` string[] - The current list of protected USB classes. Possible class values are:
* `audio`
* `audio-video`
* `hid`
* `mass-storage`
* `smart-card`
* `video`
* `wireless`
Sets the handler which can be used to override which [USB classes are protected](https://wicg.github.io/webusb/#usbinterface-interface).
The return value for the handler is a string array of USB classes which should be considered protected (eg not available in the renderer). Valid values for the array are:
* `audio`
* `audio-video`
* `hid`
* `mass-storage`
* `smart-card`
* `video`
* `wireless`
Returning an empty string array from the handler will allow all USB classes; returning the passed in array will maintain the default list of protected USB classes (this is also the default behavior if a handler is not defined).
To clear the handler, call `setUSBProtectedClassesHandler(null)`.
```javascript
const { app, BrowserWindow } = require('electron')
let win = null
app.whenReady().then(() => {
win = new BrowserWindow()
win.webContents.session.setUSBProtectedClassesHandler((details) => {
// Allow all classes:
// return []
// Keep the current set of protected classes:
// return details.protectedClasses
// Selectively remove classes:
return details.protectedClasses.filter((usbClass) => {
// Exclude classes except for audio classes
return usbClass.indexOf('audio') === -1
})
})
})
```
#### `ses.setBluetoothPairingHandler(handler)` _Windows_ _Linux_
* `handler` Function | null