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fix: crash on getUserMedia with invalid chromeMediaSourceId (#45733)

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* fix: crash on getUserMedia with invalid chromeMediaSourceId

* test: add a test
This commit is contained in:
Shelley Vohr 2025-02-21 17:17:52 +01:00 • committed by GitHub
parent f62668e2e3
commit 324fc0f62a
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2 changed files with 30 additions and 9 deletions
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22
shell/browser/web_contents_permission_helper.cc
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@ -101,16 +101,20 @@ void HandleUserMediaRequest(const content::MediaStreamRequest& request,
: "");
}
if (request.video_type == MediaStreamType::GUM_TAB_VIDEO_CAPTURE ||
request.video_type == MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE) {
if (request.video_type == MediaStreamType::GUM_TAB_VIDEO_CAPTURE) {
devices_ref.video_device =
blink::MediaStreamDevice(request.video_type, "", "");
} else if (request.video_type == MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE) {
// If the DesktopMediaID can't be successfully parsed, throw an
// Invalid state error to match upstream.
auto dm_id = GetScreenId(request.requested_video_device_ids);
if (dm_id.is_null()) {
std::move(callback).Run(blink::mojom::StreamDevicesSet(),
MediaStreamRequestResult::INVALID_STATE, nullptr);
return;
}
devices_ref.video_device = blink::MediaStreamDevice(
request.video_type,
request.video_type == MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE
? GetScreenId(request.requested_video_device_ids).ToString()
: "",
request.video_type == MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE
? "Screen"
: "");
request.video_type, dm_id.ToString(), "Screen");
}
bool empty = !devices_ref.audio_device.has_value() &&