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5bcb3e2f16
When in permissive mode, the ConfigServer will not treat reads and writes to non-pledged domains as errors, but instead turns them into no-ops: Reads will act as if the key was not found, and writes will do nothing. Permissive mode must be enabled before pledging any domains. This is needed to make GUI Widgets nicer to work with in GML Playground: a few Widgets include reads and writes to LibConfig in order to load system settings (eg, GUI::Calendar) or to save and restore state (eg, GUI::DynamicWidgetContainer). Without this change, editing a layout that includes one of these Widgets will cause GML Playground to crash when they try to access config domains that are not pledged. The solution used previously is to make Playground pledge more domains, but not only does this mean Playground has to know about these cases, but also that working on a layout file can alter the user's settings in other arbitrary apps, which is not something we want. By simply ignoring these config accesses, we avoid those downsides, and Widgets will simply use the fallback values they already have to provide to Config::read_foo_value().
152 lines
4.0 KiB
C++
152 lines
4.0 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibConfig/Client.h>
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#include <LibConfig/Listener.h>
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namespace Config {
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static RefPtr<Client> s_the = nullptr;
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Client& Client::the()
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{
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if (!s_the || !s_the->is_open()) {
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s_the = Client::try_create().release_value_but_fixme_should_propagate_errors();
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}
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return *s_the;
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}
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void Client::enable_permissive_mode()
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{
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async_enable_permissive_mode();
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}
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void Client::pledge_domains(Vector<ByteString> const& domains)
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{
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async_pledge_domains(domains);
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}
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void Client::monitor_domain(ByteString const& domain)
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{
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async_monitor_domain(domain);
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}
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Vector<ByteString> Client::list_keys(StringView domain, StringView group)
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{
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return list_config_keys(domain, group);
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}
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Vector<ByteString> Client::list_groups(StringView domain)
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{
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return list_config_groups(domain);
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}
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ByteString Client::read_string(StringView domain, StringView group, StringView key, StringView fallback)
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{
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return read_string_value(domain, group, key).value_or(fallback);
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}
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i32 Client::read_i32(StringView domain, StringView group, StringView key, i32 fallback)
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{
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return read_i32_value(domain, group, key).value_or(fallback);
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}
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u32 Client::read_u32(StringView domain, StringView group, StringView key, u32 fallback)
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{
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return read_u32_value(domain, group, key).value_or(fallback);
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}
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bool Client::read_bool(StringView domain, StringView group, StringView key, bool fallback)
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{
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return read_bool_value(domain, group, key).value_or(fallback);
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}
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void Client::write_string(StringView domain, StringView group, StringView key, StringView value)
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{
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write_string_value(domain, group, key, value);
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}
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void Client::write_i32(StringView domain, StringView group, StringView key, i32 value)
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{
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write_i32_value(domain, group, key, value);
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}
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void Client::write_u32(StringView domain, StringView group, StringView key, u32 value)
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{
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write_u32_value(domain, group, key, value);
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}
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void Client::write_bool(StringView domain, StringView group, StringView key, bool value)
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{
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write_bool_value(domain, group, key, value);
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}
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void Client::remove_key(StringView domain, StringView group, StringView key)
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{
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remove_key_entry(domain, group, key);
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}
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void Client::remove_group(StringView domain, StringView group)
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{
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remove_group_entry(domain, group);
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}
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void Client::add_group(StringView domain, StringView group)
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{
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add_group_entry(domain, group);
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}
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void Client::notify_changed_string_value(ByteString const& domain, ByteString const& group, ByteString const& key, ByteString const& value)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_string_did_change(domain, group, key, value);
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});
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}
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void Client::notify_changed_i32_value(ByteString const& domain, ByteString const& group, ByteString const& key, i32 value)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_i32_did_change(domain, group, key, value);
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});
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}
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void Client::notify_changed_u32_value(ByteString const& domain, ByteString const& group, ByteString const& key, u32 value)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_u32_did_change(domain, group, key, value);
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});
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}
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void Client::notify_changed_bool_value(ByteString const& domain, ByteString const& group, ByteString const& key, bool value)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_bool_did_change(domain, group, key, value);
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});
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}
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void Client::notify_removed_key(ByteString const& domain, ByteString const& group, ByteString const& key)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_key_was_removed(domain, group, key);
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});
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}
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void Client::notify_removed_group(ByteString const& domain, ByteString const& group)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_group_was_removed(domain, group);
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});
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}
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void Client::notify_added_group(ByteString const& domain, ByteString const& group)
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{
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Listener::for_each([&](auto& listener) {
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listener.config_group_was_added(domain, group);
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});
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}
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}
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