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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "AK/IterationDecision.h"
#include "LibCore/FileWatcher.h"
#include <AK/StringBuilder.h>
#include <Applications/Browser/Browser.h>
#include <Applications/Browser/BrowserWindow.h>
#include <Applications/Browser/CookieJar.h>
#include <Applications/Browser/Tab.h>
#include <Applications/Browser/WindowActions.h>
#include <LibConfig/Client.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/StandardPaths.h>
#include <LibCore/System.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Icon.h>
#include <LibGUI/TabWidget.h>
#include <LibMain/Main.h>
#include <LibWeb/Loader/ResourceLoader.h>
#include <LibWebView/RequestServerAdapter.h>
#include <unistd.h>
namespace Browser {
String g_search_engine;
String g_home_url;
String g_new_tab_url;
Vector<String> g_content_filters;
bool g_content_filters_enabled { true };
Vector<String> g_proxies;
HashMap<String, size_t> g_proxy_mappings;
IconBag g_icon_bag;
}
static ErrorOr<void> load_content_filters()
{
auto file = TRY(Core::Stream::File::open(String::formatted("{}/BrowserContentFilters.txt", Core::StandardPaths::config_directory()), Core::Stream::OpenMode::Read));
auto ad_filter_list = TRY(Core::Stream::BufferedFile::create(move(file)));
auto buffer = TRY(ByteBuffer::create_uninitialized(4096));
while (TRY(ad_filter_list->can_read_line())) {
auto line = TRY(ad_filter_list->read_line(buffer));
if (!line.is_empty())
Browser::g_content_filters.append(line);
}
return {};
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
if (getuid() == 0) {
warnln("Refusing to run as root");
return 1;
}
TRY(Core::System::pledge("stdio recvfd sendfd unix cpath rpath wpath proc exec"));
char const* specified_url = nullptr;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(specified_url, "URL to open", "url", Core::ArgsParser::Required::No);
args_parser.parse(arguments);
auto app = TRY(GUI::Application::try_create(arguments));
Config::pledge_domain("Browser");
Config::monitor_domain("Browser");
// Connect to LaunchServer immediately and let it know that we won't ask for anything other than opening
// the user's downloads directory.
// FIXME: This should go away with a standalone download manager at some point.
TRY(Desktop::Launcher::add_allowed_url(URL::create_with_file_protocol(Core::StandardPaths::downloads_directory())));
TRY(Desktop::Launcher::seal_allowlist());
TRY(Core::System::unveil("/home", "rwc"));
TRY(Core::System::unveil("/res", "r"));
TRY(Core::System::unveil("/etc/passwd", "r"));
TRY(Core::System::unveil("/etc/timezone", "r"));
TRY(Core::System::unveil("/tmp/portal/image", "rw"));
TRY(Core::System::unveil("/tmp/portal/webcontent", "rw"));
TRY(Core::System::unveil("/tmp/portal/request", "rw"));
TRY(Core::System::unveil("/bin/BrowserSettings", "x"));
TRY(Core::System::unveil(nullptr, nullptr));
Web::ResourceLoader::initialize(TRY(WebView::RequestServerAdapter::try_create()));
auto app_icon = GUI::Icon::default_icon("app-browser");
Browser::g_home_url = Config::read_string("Browser", "Preferences", "Home", "file:///res/html/misc/welcome.html");
Browser::g_new_tab_url = Config::read_string("Browser", "Preferences", "NewTab", "file:///res/html/misc/new-tab.html");
Browser::g_search_engine = Config::read_string("Browser", "Preferences", "SearchEngine", {});
Browser::g_content_filters_enabled = Config::read_bool("Browser", "Preferences", "EnableContentFilters", true);
Browser::g_icon_bag = TRY(Browser::IconBag::try_create());
TRY(load_content_filters());
for (auto& group : Config::list_groups("Browser")) {
if (!group.starts_with("Proxy:"))
continue;
for (auto& key : Config::list_keys("Browser", group)) {
auto proxy_spec = group.substring_view(6);
auto existing_proxy = Browser::g_proxies.find(proxy_spec);
if (existing_proxy.is_end())
Browser::g_proxies.append(proxy_spec);
Browser::g_proxy_mappings.set(key, existing_proxy.index());
}
}
URL first_url = Browser::url_from_user_input(Browser::g_home_url);
if (specified_url) {
if (Core::File::exists(specified_url)) {
first_url = URL::create_with_file_protocol(Core::File::real_path_for(specified_url));
} else {
first_url = Browser::url_from_user_input(specified_url);
}
}
Browser::CookieJar cookie_jar;
auto window = Browser::BrowserWindow::construct(cookie_jar, first_url);
auto content_filters_watcher = TRY(Core::FileWatcher::create());
content_filters_watcher->on_change = [&](Core::FileWatcherEvent const&) {
dbgln("Reloading content filters because config file changed");
auto error = load_content_filters();
if (error.is_error()) {
dbgln("Reloading content filters failed: {}", error.release_error());
return;
}
window->content_filters_changed();
};
TRY(content_filters_watcher->add_watch(String::formatted("{}/BrowserContentFilters.txt", Core::StandardPaths::config_directory()), Core::FileWatcherEvent::Type::ContentModified));
app->on_action_enter = [&](GUI::Action& action) {
if (auto* browser_window = dynamic_cast<Browser::BrowserWindow*>(app->active_window())) {
auto* tab = static_cast<Browser::Tab*>(browser_window->tab_widget().active_widget());
if (!tab)
return;
tab->action_entered(action);
}
};
app->on_action_leave = [&](auto& action) {
if (auto* browser_window = dynamic_cast<Browser::BrowserWindow*>(app->active_window())) {
auto* tab = static_cast<Browser::Tab*>(browser_window->tab_widget().active_widget());
if (!tab)
return;
tab->action_left(action);
}
};
window->show();
return app->exec();
}
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