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refactor: only allow internal messages from the main process (#27676)

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Jeremy Rose
2021-02-09 17:12:26 -08:00
committed by GitHub
parent e46446e7e4
commit 706d9ede9b
8 changed files with 16 additions and 33 deletions
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4
lib/sandboxed_renderer/init.ts
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@@ -43,6 +43,10 @@ const loadableModules = new Map<string, Function>([
// invoking the 'onMessage' callback.
v8Util.setHiddenValue(global, 'ipcNative', {
onMessage (internal: boolean, channel: string, ports: MessagePort[], args: any[], senderId: number) {
if (internal && senderId !== 0) {
console.error(`Message ${channel} sent by unexpected WebContents (${senderId})`);
return;
}
const sender = internal ? ipcRendererInternal : electron.ipcRenderer;
sender.emit(channel, { sender, senderId, ports }, ...args);
}