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main.cpp
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main.cpp
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/*
* Copyright (c) 2018-2021, Andreas Kling <[email protected]>
* Copyright (c) 2022, Sam Atkins <[email protected]>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Applications/Browser/Browser.h>
#include <Applications/Browser/BrowserWindow.h>
#include <Applications/Browser/Tab.h>
#include <Applications/Browser/WindowActions.h>
#include <Applications/BrowserSettings/Defaults.h>
#include <LibConfig/Client.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/FileWatcher.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/CookieJar.h>
#include <LibWebView/Database.h>
#include <LibWebView/OutOfProcessWebView.h>
#include <LibWebView/RequestServerAdapter.h>
#include <LibWebView/SearchEngine.h>
#include <LibWebView/URL.h>
#include <unistd.h>
namespace Browser {
ByteString g_search_engine;
ByteString g_home_url;
ByteString g_new_tab_url;
Vector<String> g_content_filters;
bool g_content_filters_enabled { true };
Vector<String> g_autoplay_allowlist;
bool g_autoplay_allowed_on_all_websites { false };
Vector<ByteString> g_proxies;
HashMap<ByteString, size_t> g_proxy_mappings;
IconBag g_icon_bag;
ByteString g_webdriver_content_ipc_path;
}
static ErrorOr<void> load_content_filters()
{
auto file = TRY(Core::File::open(TRY(String::formatted("{}/BrowserContentFilters.txt", Core::StandardPaths::config_directory())), Core::File::OpenMode::Read));
auto ad_filter_list = TRY(Core::InputBufferedFile::create(move(file)));
auto buffer = TRY(ByteBuffer::create_uninitialized(4096));
Browser::g_content_filters.clear_with_capacity();
while (TRY(ad_filter_list->can_read_line())) {
auto line = TRY(ad_filter_list->read_line(buffer));
if (line.is_empty())
continue;
auto pattern = TRY(String::from_utf8(line));
TRY(Browser::g_content_filters.try_append(move(pattern)));
}
return {};
}
static ErrorOr<void> load_autoplay_allowlist()
{
auto file = TRY(Core::File::open(TRY(String::formatted("{}/BrowserAutoplayAllowlist.txt", Core::StandardPaths::config_directory())), Core::File::OpenMode::Read));
auto allowlist = TRY(Core::InputBufferedFile::create(move(file)));
auto buffer = TRY(ByteBuffer::create_uninitialized(4096));
Browser::g_autoplay_allowlist.clear_with_capacity();
while (TRY(allowlist->can_read_line())) {
auto line = TRY(allowlist->read_line(buffer));
if (line.is_empty())
continue;
auto domain = TRY(String::from_utf8(line));
TRY(Browser::g_autoplay_allowlist.try_append(move(domain)));
}
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 fattr cpath rpath wpath proc exec"));
Vector<StringView> specified_urls;
Core::ArgsParser args_parser;
args_parser.add_positional_argument(specified_urls, "URLs to open", "url", Core::ArgsParser::Required::No);
args_parser.add_option(Browser::g_webdriver_content_ipc_path, "Path to WebDriver IPC for WebContent", "webdriver-content-path", 0, "path", Core::ArgsParser::OptionHideMode::CommandLineAndMarkdown);
args_parser.parse(arguments);
auto app = TRY(GUI::Application::create(arguments));
auto const man_file = "/usr/share/man/man1/Applications/Browser.md"sv;
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_scheme(Core::StandardPaths::downloads_directory())));
TRY(Desktop::Launcher::add_allowed_handler_with_only_specific_urls("/bin/Help", { URL::create_with_file_scheme(man_file) }));
TRY(Desktop::Launcher::seal_allowlist());
TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/image", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/webcontent", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/webworker", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/request", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/sql", "rw"));
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("/bin/BrowserSettings", "x"));
TRY(Core::System::unveil("/bin/Browser", "x"));
TRY(Core::System::unveil(nullptr, nullptr));
Web::ResourceLoader::initialize(TRY(WebView::RequestServerAdapter::try_create()));
auto app_icon = GUI::Icon::default_icon("app-browser"sv);
Browser::g_home_url = Config::read_string("Browser"sv, "Preferences"sv, "Home"sv, Browser::default_homepage_url);
Browser::g_new_tab_url = Config::read_string("Browser"sv, "Preferences"sv, "NewTab"sv, Browser::default_new_tab_url);
Browser::g_search_engine = Config::read_string("Browser"sv, "Preferences"sv, "SearchEngine"sv, WebView::default_search_engine().query_url);
Browser::g_content_filters_enabled = Config::read_bool("Browser"sv, "Preferences"sv, "EnableContentFilters"sv, Browser::default_enable_content_filters);
Browser::g_autoplay_allowed_on_all_websites = Config::read_bool("Browser"sv, "Preferences"sv, "AllowAutoplayOnAllWebsites"sv, Browser::default_allow_autoplay_on_all_websites);
Browser::g_icon_bag = TRY(Browser::IconBag::try_create());
auto database = TRY(WebView::Database::create());
TRY(load_content_filters());
TRY(load_autoplay_allowlist());
for (auto& group : Config::list_groups("Browser"sv)) {
if (!group.starts_with("Proxy:"sv))
continue;
for (auto& key : Config::list_keys("Browser"sv, 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());
}
}
Vector<URL> initial_urls;
for (auto specified_url : specified_urls) {
if (auto url = WebView::sanitize_url(specified_url); url.has_value())
initial_urls.append(url.release_value());
}
if (initial_urls.is_empty())
initial_urls.append(Browser::g_home_url);
auto cookie_jar = TRY(WebView::CookieJar::create(*database));
auto window = Browser::BrowserWindow::construct(cookie_jar, initial_urls, man_file);
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(ByteString::formatted("{}/BrowserContentFilters.txt", Core::StandardPaths::config_directory()), Core::FileWatcherEvent::Type::ContentModified));
auto autoplay_allowlist_watcher = TRY(Core::FileWatcher::create());
autoplay_allowlist_watcher->on_change = [&](Core::FileWatcherEvent const&) {
dbgln("Reloading autoplay allowlist because config file changed");
if (auto error = load_autoplay_allowlist(); error.is_error()) {
dbgln("Reloading autoplay allowlist failed: {}", error.release_error());
return;
}
window->autoplay_allowlist_changed();
};
TRY(autoplay_allowlist_watcher->add_watch(ByteString::formatted("{}/BrowserAutoplayAllowlist.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();
window->broadcast_window_position(window->position());
window->broadcast_window_size(window->size());
return app->exec();
}