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Merge pull request #89935 from bruvzg/dbus_conn_fix 

[Linux/Portal] Fix incorrect DBus connection usage.
This commit is contained in:
Rémi Verschelde 2024-04-04 14:35:31 +02:00
parent b77ac0a2b3 607cc27152
commit 06f86e6e37
No known key found for this signature in database
GPG Key ID: C3336907360768E1
2 changed files with 59 additions and 92 deletions
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147
platform/linuxbsd/freedesktop_portal_desktop.cpp
View File

@ -367,6 +367,7 @@ Error FreeDesktopPortalDesktop::file_dialog_show(DisplayServer::WindowID p_windo
}
ERR_FAIL_INDEX_V(int(p_mode), DisplayServer::FILE_DIALOG_MODE_SAVE_MAX, FAILED);
ERR_FAIL_NULL_V(monitor_connection, FAILED);
Vector<String> filter_names;
Vector<String> filter_exts;
@ -406,24 +407,16 @@ Error FreeDesktopPortalDesktop::file_dialog_show(DisplayServer::WindowID p_windo
Error rng_err = rng.get_random_bytes(uuid, 64);
ERR_FAIL_COND_V_MSG(rng_err, rng_err, "Failed to generate unique token.");
fd.connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
if (dbus_error_is_set(&err)) {
ERR_PRINT(vformat("Failed to open DBus connection: %s", err.message));
dbus_error_free(&err);
unsupported = true;
return FAILED;
}
String dbus_unique_name = String::utf8(dbus_bus_get_unique_name(fd.connection));
String dbus_unique_name = String::utf8(dbus_bus_get_unique_name(monitor_connection));
String token = String::hex_encode_buffer(uuid, 64);
String path = vformat("/org/freedesktop/portal/desktop/request/%s/%s", dbus_unique_name.replace(".", "_").replace(":", ""), token);
fd.path = vformat("type='signal',sender='org.freedesktop.portal.Desktop',path='%s',interface='org.freedesktop.portal.Request',member='Response',destination='%s'", path, dbus_unique_name);
dbus_bus_add_match(fd.connection, fd.path.utf8().get_data(), &err);
fd.path = path;
fd.filter = vformat("type='signal',sender='org.freedesktop.portal.Desktop',path='%s',interface='org.freedesktop.portal.Request',member='Response',destination='%s'", path, dbus_unique_name);
dbus_bus_add_match(monitor_connection, fd.filter.utf8().get_data(), &err);
if (dbus_error_is_set(&err)) {
ERR_PRINT(vformat("Failed to add DBus match: %s", err.message));
dbus_error_free(&err);
dbus_connection_unref(fd.connection);
return FAILED;
}
@ -460,14 +453,13 @@ Error FreeDesktopPortalDesktop::file_dialog_show(DisplayServer::WindowID p_windo
dbus_message_iter_close_container(&iter, &arr_iter);
}
DBusMessage *reply = dbus_connection_send_with_reply_and_block(fd.connection, message, DBUS_TIMEOUT_INFINITE, &err);
DBusMessage *reply = dbus_connection_send_with_reply_and_block(monitor_connection, message, DBUS_TIMEOUT_INFINITE, &err);
dbus_message_unref(message);
if (!reply || dbus_error_is_set(&err)) {
ERR_PRINT(vformat("Failed to send DBus message: %s", err.message));
dbus_error_free(&err);
dbus_bus_remove_match(fd.connection, fd.path.utf8().get_data(), &err);
dbus_connection_unref(fd.connection);
dbus_bus_remove_match(monitor_connection, fd.filter.utf8().get_data(), &err);
return FAILED;
}
@ -479,19 +471,17 @@ Error FreeDesktopPortalDesktop::file_dialog_show(DisplayServer::WindowID p_windo
const char *new_path = nullptr;
dbus_message_iter_get_basic(&iter, &new_path);
if (String::utf8(new_path) != path) {
dbus_bus_remove_match(fd.connection, fd.path.utf8().get_data(), &err);
dbus_bus_remove_match(monitor_connection, fd.filter.utf8().get_data(), &err);
if (dbus_error_is_set(&err)) {
ERR_PRINT(vformat("Failed to remove DBus match: %s", err.message));
dbus_error_free(&err);
dbus_connection_unref(fd.connection);
return FAILED;
}
fd.path = String::utf8(new_path);
dbus_bus_add_match(fd.connection, fd.path.utf8().get_data(), &err);
fd.filter = String::utf8(new_path);
dbus_bus_add_match(monitor_connection, fd.filter.utf8().get_data(), &err);
if (dbus_error_is_set(&err)) {
ERR_PRINT(vformat("Failed to add DBus match: %s", err.message));
dbus_error_free(&err);
dbus_connection_unref(fd.connection);
return FAILED;
}
}
@ -532,57 +522,9 @@ void FreeDesktopPortalDesktop::_thread_monitor(void *p_ud) {
FreeDesktopPortalDesktop *portal = (FreeDesktopPortalDesktop *)p_ud;
while (!portal->monitor_thread_abort.is_set()) {
{
MutexLock lock(portal->file_dialog_mutex);
for (int i = portal->file_dialogs.size() - 1; i >= 0; i--) {
bool remove = false;
{
FreeDesktopPortalDesktop::FileDialogData &fd = portal->file_dialogs.write[i];
if (fd.connection) {
while (true) {
DBusMessage *msg = dbus_connection_pop_message(fd.connection);
if (!msg) {
break;
} else if (dbus_message_is_signal(msg, "org.freedesktop.portal.Request", "Response")) {
DBusMessageIter iter;
if (dbus_message_iter_init(msg, &iter)) {
bool cancel = false;
Vector<String> uris;
Dictionary options;
int index = 0;
file_chooser_parse_response(&iter, fd.filter_names, cancel, uris, index, options);
if (fd.callback.is_valid()) {
callable_mp(portal, &FreeDesktopPortalDesktop::_file_dialog_callback).call_deferred(fd.callback, !cancel, uris, index, options, fd.opt_in_cb);
}
if (fd.prev_focus != DisplayServer::INVALID_WINDOW_ID) {
callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(fd.prev_focus);
}
}
dbus_message_unref(msg);
DBusError err;
dbus_error_init(&err);
dbus_bus_remove_match(fd.connection, fd.path.utf8().get_data(), &err);
dbus_error_free(&err);
dbus_connection_unref(fd.connection);
remove = true;
break;
}
dbus_message_unref(msg);
}
dbus_connection_read_write(fd.connection, 0);
}
}
if (remove) {
portal->file_dialogs.remove_at(i);
}
}
}
if (portal->theme_connection) {
if (portal->monitor_connection) {
while (true) {
DBusMessage *msg = dbus_connection_pop_message(portal->theme_connection);
DBusMessage *msg = dbus_connection_pop_message(portal->monitor_connection);
if (!msg) {
break;
} else if (dbus_message_is_signal(msg, "org.freedesktop.portal.Settings", "SettingChanged")) {
@ -599,12 +541,41 @@ void FreeDesktopPortalDesktop::_thread_monitor(void *p_ud) {
callable_mp(portal, &FreeDesktopPortalDesktop::_system_theme_changed_callback).call_deferred();
}
}
dbus_message_unref(msg);
break;
} else if (dbus_message_is_signal(msg, "org.freedesktop.portal.Request", "Response")) {
String path = String::utf8(dbus_message_get_path(msg));
MutexLock lock(portal->file_dialog_mutex);
for (int i = 0; i < portal->file_dialogs.size(); i++) {
FreeDesktopPortalDesktop::FileDialogData &fd = portal->file_dialogs.write[i];
if (fd.path == path) {
DBusMessageIter iter;
if (dbus_message_iter_init(msg, &iter)) {
bool cancel = false;
Vector<String> uris;
Dictionary options;
int index = 0;
file_chooser_parse_response(&iter, fd.filter_names, cancel, uris, index, options);
if (fd.callback.is_valid()) {
callable_mp(portal, &FreeDesktopPortalDesktop::_file_dialog_callback).call_deferred(fd.callback, !cancel, uris, index, options, fd.opt_in_cb);
}
if (fd.prev_focus != DisplayServer::INVALID_WINDOW_ID) {
callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(fd.prev_focus);
}
}
DBusError err;
dbus_error_init(&err);
dbus_bus_remove_match(portal->monitor_connection, fd.filter.utf8().get_data(), &err);
dbus_error_free(&err);
portal->file_dialogs.remove_at(i);
break;
}
}
}
dbus_message_unref(msg);
}
dbus_connection_read_write(portal->theme_connection, 0);
dbus_connection_read_write(portal->monitor_connection, 0);
}
usleep(50000);
@ -647,18 +618,18 @@ FreeDesktopPortalDesktop::FreeDesktopPortalDesktop() {
DBusError err;
dbus_error_init(&err);
theme_connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
monitor_connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
if (dbus_error_is_set(&err)) {
dbus_error_free(&err);
} else {
theme_path = "type='signal',sender='org.freedesktop.portal.Desktop',interface='org.freedesktop.portal.Settings',member='SettingChanged'";
dbus_bus_add_match(theme_connection, theme_path.utf8().get_data(), &err);
dbus_bus_add_match(monitor_connection, theme_path.utf8().get_data(), &err);
if (dbus_error_is_set(&err)) {
dbus_error_free(&err);
dbus_connection_unref(theme_connection);
theme_connection = nullptr;
dbus_connection_unref(monitor_connection);
monitor_connection = nullptr;
}
dbus_connection_read_write(theme_connection, 0);
dbus_connection_read_write(monitor_connection, 0);
}
if (!unsupported) {
@ -673,21 +644,17 @@ FreeDesktopPortalDesktop::~FreeDesktopPortalDesktop() {
monitor_thread.wait_to_finish();
}
for (FreeDesktopPortalDesktop::FileDialogData &fd : file_dialogs) {
if (fd.connection) {
DBusError err;
dbus_error_init(&err);
dbus_bus_remove_match(fd.connection, fd.path.utf8().get_data(), &err);
dbus_error_free(&err);
dbus_connection_unref(fd.connection);
}
}
if (theme_connection) {
if (monitor_connection) {
DBusError err;
for (FreeDesktopPortalDesktop::FileDialogData &fd : file_dialogs) {
dbus_error_init(&err);
dbus_bus_remove_match(monitor_connection, fd.filter.utf8().get_data(), &err);
dbus_error_free(&err);
}
dbus_error_init(&err);
dbus_bus_remove_match(theme_connection, theme_path.utf8().get_data(), &err);
dbus_bus_remove_match(monitor_connection, theme_path.utf8().get_data(), &err);
dbus_error_free(&err);
dbus_connection_unref(theme_connection);
dbus_connection_unref(monitor_connection);
}
}

4
platform/linuxbsd/freedesktop_portal_desktop.h
View File

@ -60,9 +60,9 @@ private:
struct FileDialogData {
Vector<String> filter_names;
DBusConnection *connection = nullptr;
DisplayServer::WindowID prev_focus = DisplayServer::INVALID_WINDOW_ID;
Callable callback;
String filter;
String path;
bool opt_in_cb = false;
};
@ -71,8 +71,8 @@ private:
Vector<FileDialogData> file_dialogs;
Thread monitor_thread;
SafeFlag monitor_thread_abort;
DBusConnection *monitor_connection = nullptr;
DBusConnection *theme_connection = nullptr;
String theme_path;
Callable system_theme_changed;
void _system_theme_changed_callback();