[feat] add Windows pre-login remote control and fix autostart

2026-10-23 21:23:12 +08:00 · 2026-10-04 12:49:26 +08:00
parent b8f704abb9
commit 7f7b91851e
33 changed files with 1902 additions and 70 deletions
@@ -0,0 +1,88 @@
+#ifndef CROSSDESK_WINDOWS_AUTOSTART_TASK_H_
+#define CROSSDESK_WINDOWS_AUTOSTART_TASK_H_
+
+#include <string>
+
+namespace crossdesk::platform {
+
+// Keep this in sync with crossdesk.rc and crossdesk_portable.rc. Elevating a
+// portable build manually must not change its normal login startup policy.
+#if !defined(CROSSDESK_DEBUG) && \
+    (!defined(CROSSDESK_PORTABLE) || !CROSSDESK_PORTABLE)
+inline constexpr bool kAutostartRequiresElevation = true;
+#else
+inline constexpr bool kAutostartRequiresElevation = false;
+#endif
+
+inline std::wstring AutostartTaskName(const std::wstring& app_name,
+                                      const std::wstring& user_sid) {
+  return app_name + L" Autostart " + user_sid;
+}
+
+inline std::wstring EscapeTaskXml(const std::wstring& value) {
+  std::wstring escaped;
+  for (const wchar_t character : value) {
+    switch (character) {
+      case L'&':
+        escaped += L"&amp;";
+        break;
+      case L'<':
+        escaped += L"&lt;";
+        break;
+      case L'>':
+        escaped += L"&gt;";
+        break;
+      case L'"':
+        escaped += L"&quot;";
+        break;
+      case L'\'':
+        escaped += L"&apos;";
+        break;
+      default:
+        escaped += character;
+        break;
+    }
+  }
+  return escaped;
+}
+
+inline std::wstring BuildAutostartTaskXml(const std::wstring& user_sid,
+                                          const std::wstring& executable,
+                                          const std::wstring& directory) {
+  const auto sid = EscapeTaskXml(user_sid);
+  // InteractiveToken keeps the GUI in this user's logged-in desktop and does
+  // not store a password. A remote desktop client must also survive battery
+  // operation and the scheduler's default three-day execution time limit.
+  return L"<Task version=\"1.3\" "
+         L"xmlns=\"http://schemas.microsoft.com/windows/2004/02/mit/task\">"
+         L"<Triggers><LogonTrigger><Enabled>true</Enabled>"
+         L"<ExecutionTimeLimit>PT0S</ExecutionTimeLimit><UserId>" +
+         sid +
+         L"</UserId></LogonTrigger></Triggers>"
+         L"<Principals><Principal id=\"CurrentUser\"><UserId>" +
+         sid +
+         L"</UserId><LogonType>InteractiveToken</LogonType>"
+         L"<RunLevel>HighestAvailable</RunLevel></Principal></Principals>"
+         L"<Settings><MultipleInstancesPolicy>IgnoreNew</"
+         L"MultipleInstancesPolicy>"
+         L"<DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries>"
+         L"<StopIfGoingOnBatteries>false</StopIfGoingOnBatteries>"
+         L"<AllowHardTerminate>false</AllowHardTerminate>"
+         L"<Enabled>true</Enabled><ExecutionTimeLimit>PT0S</ExecutionTimeLimit>"
+         L"</Settings><Actions Context=\"CurrentUser\"><Exec><Command>" +
+         EscapeTaskXml(executable) + L"</Command><WorkingDirectory>" +
+         EscapeTaskXml(directory) +
+         L"</WorkingDirectory></Exec></Actions></Task>";
+}
+
+// Called at normal startup and by the installer after an upgrade. Only migrate
+// a legacy Run entry pointing to this executable, leaving other copies alone.
+bool MigrateLegacyAutostart(const std::string& app_name);
+
+// Installer cleanup: remove tasks for this executable across users, preserving
+// registrations belonging to other installation/portable directories.
+bool RemoveInstalledAutostart(const std::string& app_name);
+
+}  // namespace crossdesk::platform
+
+#endif