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[feat] add Windows privacy screen and prefer DXGI capture

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This commit is contained in:
dijunkun
2026-09-11 16:11:50 +08:00
parent 4f200095f4
commit ceb0a1654a
57 changed files with 4208 additions and 217 deletions
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apps/desktop/src/gui/runtime/peer_data_callbacks.cpp
+49 -1
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@@ -88,6 +88,8 @@ void PeerEventHandler::OnReceiveDataBuffer(
}
std::string source_id = std::string(src_id, src_id_size);
if (!runtime->privacy_.RemoteAllowed() &&
(source_id == runtime->clipboard_label_ || source_id == runtime->file_label_)) return;
if (source_id == runtime->file_label_) {
std::string remote_user_id = std::string(user_id, user_id_size);
@@ -147,6 +149,48 @@ void PeerEventHandler::OnReceiveDataBuffer(
}
std::string remote_id(user_id, user_id_size);
if (remote_action.type == ControlType::privacy_status) {
if (auto props = runtime->FindRemoteSession(remote_id)) {
if (source_id != props->control_data_label_) return;
std::lock_guard lock(props->privacy_status_mutex_);
if (!props->privacy_status_received_ ||
static_cast<int32_t>(remote_action.ps.revision - props->privacy_status_.revision) >= 0) {
props->privacy_status_ = remote_action.ps;
props->privacy_status_received_ = true;
props->privacy_status_tick_ = SDL_GetTicks();
if (static_cast<int32_t>(remote_action.ps.revision - props->privacy_request_revision_) > 0 &&
remote_action.ps.state != PrivacyState::starting &&
remote_action.ps.state != PrivacyState::stopping)
props->privacy_command_pending_ = false;
}
}
return;
}
if (remote_action.type == ControlType::privacy_command) {
if (source_id == runtime->control_data_label_)
runtime->QueuePrivacyCommand(remote_id, remote_action.pc);
return;
}
const bool operates_host = remote_action.type == ControlType::mouse ||
remote_action.type == ControlType::keyboard || remote_action.type == ControlType::keyboard_state ||
remote_action.type == ControlType::service_command || remote_action.type == ControlType::display_id ||
remote_action.type == ControlType::audio_capture;
if (operates_host) {
if (!runtime->IsAuthorizedController(remote_id)) return;
#ifdef _WIN32
// KeyboardController checks the desktop immediately before each native
// key injection, including state reconciliation and cleanup. Avoid a
// second synchronous session query for every received keyboard packet.
const bool keyboard_input = remote_action.type == ControlType::keyboard ||
remote_action.type == ControlType::keyboard_state;
if (!keyboard_input && runtime->privacy_.Engaged() &&
!IsWindowsPrivacyDesktopAvailable()) {
runtime->privacy_.Fail("Secure desktop or lock screen; privacy cannot cover system security UI. Remote input paused.");
return;
}
#endif
if (!runtime->privacy_.RemoteAllowed()) return;
}
if (remote_action.type == ControlType::service_status) {
if (auto props = runtime->FindRemoteSession(remote_id)) {
runtime->ApplyRemoteServiceStatus(*props, remote_action.ss);
@@ -155,6 +199,10 @@ void PeerEventHandler::OnReceiveDataBuffer(
}
if (remote_action.type == ControlType::service_command) {
if (runtime->privacy_.Engaged()) {
runtime->privacy_.Fail("Security shortcuts require leaving privacy mode; remote operation paused. Turn privacy off first.");
return;
}
#if _WIN32
if (remote_action.c.flag == ServiceCommandFlag::send_sas) {
runtime->pending_windows_service_sas_.store(true,
@@ -258,7 +306,7 @@ void PeerEventHandler::OnReceiveDataBuffer(
std::chrono::steady_clock::now();
}
#if _WIN32
if (runtime->local_service_status_received_ &&
if (!runtime->privacy_.Engaged() && runtime->local_service_status_received_ &&
IsSecureDesktopInteractionRequired(runtime->local_interactive_stage_) &&
remote_action.type != ControlType::keyboard &&
remote_action.type != ControlType::keyboard_state) {