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fix: ensure history navigations are sandboxed-iframe-aware #35623

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merged 1 commit into from Sep 13, 2022
Merged

fix: ensure history navigations are sandboxed-iframe-aware #35623

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5 changes: 0 additions & 5 deletions shell/browser/api/electron_api_web_contents.cc
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Expand Up @@ -1380,11 +1380,6 @@ bool WebContents::HandleContextMenu(content::RenderFrameHost& render_frame_host,
return true;
}

bool WebContents::OnGoToEntryOffset(int offset) {
GoToOffset(offset);
return false;
}

void WebContents::FindReply(content::WebContents* web_contents,
int request_id,
int number_of_matches,
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1 change: 0 additions & 1 deletion shell/browser/api/electron_api_web_contents.h
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Expand Up @@ -534,7 +534,6 @@ class WebContents : public ExclusiveAccessContext,
content::RenderWidgetHost* render_widget_host) override;
bool HandleContextMenu(content::RenderFrameHost& render_frame_host,
const content::ContextMenuParams& params) override;
bool OnGoToEntryOffset(int offset) override;
void FindReply(content::WebContents* web_contents,
int request_id,
int number_of_matches,
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28 changes: 28 additions & 0 deletions spec-main/chromium-spec.ts
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Expand Up @@ -1571,6 +1571,34 @@ describe('chromium features', () => {
expect((w.webContents as any).length()).to.equal(2);
});
});

describe('window.history.back', () => {
it('should not allow sandboxed iframe to modify main frame state', async () => {
const w = new BrowserWindow({ show: false });
w.loadURL('data:text/html,<iframe sandbox="allow-scripts"></iframe>');
await Promise.all([
emittedOnce(w.webContents, 'navigation-entry-committed'),
emittedOnce(w.webContents, 'did-frame-navigate'),
emittedOnce(w.webContents, 'did-navigate')
]);

w.webContents.executeJavaScript('window.history.pushState(1, "")');
await Promise.all([
emittedOnce(w.webContents, 'navigation-entry-committed'),
emittedOnce(w.webContents, 'did-navigate-in-page')
]);

(w.webContents as any).once('navigation-entry-committed', () => {
expect.fail('Unexpected navigation-entry-committed');
});
w.webContents.once('did-navigate-in-page', () => {
expect.fail('Unexpected did-navigate-in-page');
});
await w.webContents.mainFrame.frames[0].executeJavaScript('window.history.back()');
expect(await w.webContents.executeJavaScript('window.history.state')).to.equal(1);
expect((w.webContents as any).getActiveIndex()).to.equal(1);
});
});
});

describe('chrome://media-internals', () => {
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