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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "browser.h"
#include "builtins.h"
#include "conf.hpp"
#include "configuration.h"
#include "crashhandler.h"
#include "session/session.h"
#include "session/sessiondialog.h"
#include "util.h"
#include "version.h"
#include <QFile>
#include <QPluginLoader>
#include <QStandardPaths>
#include <iostream>
#include <memory>
#include <plugininterface.h>
#include <pluginloader.h>
#include <spdlog/spdlog.h>
// a helper function to join the keys of a command_map into a string
inline std::string join_keys(const command_map &map, const std::string sep = ", ")
{
std::vector<std::string> keys(map.size());
std::transform(map.begin(), map.end(), keys.begin(), [](auto pair) { return pair.first; });
std::sort(keys.begin(), keys.end());
std::string k;
std::for_each(keys.begin(), keys.end() - 1, [&k, &sep](const std::string &piece) { k += piece + sep; });
k += keys.back();
return k;
}
#if defined(CONFIG_USEPLASMA) && !defined(PLASMA)
#error "You have enabled Plasma integration, but Frameworks was not found."
#endif
#if defined(CONFIG_USEBREAKPAD) && !defined(BREAKPAD)
#error "You have enabled Breakpad integration, but Breakpad was not found."
#endif
int main(int argc, char **argv)
{
// change log pattern
spdlog::set_pattern("[%^%l%$] [%P:%t] %v");
#ifdef QT_DEBUG
spdlog::set_level(spdlog::level::debug); // Set global log level to debug
#endif
const std::vector<std::string> args(argv + 1, argv + argc);
args::ArgumentParser parser("smolbote: yet another no-frills browser",
#ifdef Q_OS_UNIX
"For more information on usage, refer to the manual page."
#else
"For more information on usage, refer to the manual."
#endif
);
parser.Prog(argv[0]);
const command_map commands{
{ "configuration", builtins::configuration }
};
args::HelpFlag cmd_help(parser, "help", "Display this help message.", { 'h', "help" });
args::Flag cmd_version(parser, "version", "Display version information.", { 'v', "version" });
args::Flag cmd_build(parser, "build", "Display build commit.", { 'b', "build" });
args::ValueFlag<std::string> cmd_config(parser, "config", "Set the configuration file.", { 'c', "config" });
args::Flag cmd_noRemote(parser, "no-remote", "Do not accept or send remote commands.", { "no-remote" });
args::Flag cmd_pickSession(parser, "pick-session", "Show all available sessions and select which one to open", { "pick-session" });
args::ValueFlag<std::string> cmd_session(parser, "session", "Open the specified session.", { 's', "session" });
args::PositionalList<std::string> cmd_args(parser, "URL(s)", "List of URLs to open");
cmd_args.KickOut(true);
try {
auto next = parser.ParseArgs(args);
if(cmd_version)
return builtins::version();
if(cmd_build)
return builtins::build();
// create and load configuration
const std::string config_path = [&]() {
std::string path;
if(cmd_config)
path = args::get(cmd_config);
else
path = std::string(CONFIG_POI_CFG_PATH);
if(path.front() == '~')
path.replace(0, 1, QStandardPaths::writableLocation(QStandardPaths::HomeLocation).toStdString());
return path;
}();
spdlog::debug("Opening config file {}", config_path);
init_conf(config_path);
if(cmd_args) {
const auto front = args::get(cmd_args).front();
const auto cmd = commands.find(front);
if(cmd != commands.end()) {
return cmd->second(argv[0], next, std::end(args));
}
}
} catch(args::Help &e) {
std::cout << parser;
Q_UNUSED(e);
std::cout << "Available subcommands: " << join_keys(commands) << std::endl;
return 0;
} catch(args::Error &e) {
std::cerr << e.what() << std::endl;
std::cerr << parser;
return -1;
}
// Disable Chromium's crash handler so breakpad can capture crashes instead.
// This has to be done before QtWebEngine gets initialized.
const auto chromiumFlags = qgetenv("QTWEBENGINE_CHROMIUM_FLAGS");
if(!chromiumFlags.contains("disable-in-process-stack-traces")) {
qputenv("QTWEBENGINE_CHROMIUM_FLAGS", chromiumFlags + " --disable-in-process-stack-traces");
}
QVector<QPluginLoader *> plugins;
CommandHash_t pluginCommands;
// Load plugins
[&]() {
Configuration conf;
spdlog::debug("plugins.path={}", conf.value<std::string>("plugins.path").value());
for(const QString &path : Util::files(conf.value<QString>("plugins.path").value(), { "*.so", "*.dll" })) {
auto *loader = new PluginLoader(path);
const bool loaded = loader->load();
spdlog::info("{} plugin {}", loaded ? "Loaded" : "Failed to load", qUtf8Printable(path));
if(loaded) {
plugins.append(loader);
auto *plugin = qobject_cast<PluginInterface *>(loader->instance());
pluginCommands.unite(plugin->commands());
} else {
spdlog::warn("{}", qUtf8Printable(loader->errorString()));
delete loader;
}
}
}();
// argc, argv, allowSecondary
Browser app(argc, argv);
// set this, otherwise the webview becomes black when using a stylesheet
app.setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
#ifdef CONFIG_USEBREAKPAD
const std::string crashpath = config->value<std::string>("browser.crash.path").value_or("/tmp");
assert(!crashpath.empty());
CrashHandler::BreakpadContext ctx;
google_breakpad::MinidumpDescriptor descriptor(crashpath.c_str());
const auto crashHandler = config->value<std::string>("browser.crash.handler");
if(crashHandler) {
const int length = crashHandler.value().length() + 1;
ctx.handler = new char[length];
crashHandler.value().copy(ctx.handler, length - 1);
ctx.handler[length - 1] = '\0';
}
// minidump descriptor, filter callback, minidump callback, callback_context, install handler, server_fd
google_breakpad::ExceptionHandler eh(descriptor, nullptr, CrashHandler::dumpCallback, &ctx, true, -1);
spdlog::debug("Installed breakpad exception handler (path {})", crashpath);
#endif // CONFIG_USEBREAKPAD
const auto profile = []() {
Configuration c;
return c.value<QString>("profile.default").value();
}();
app.setup(plugins);
QStringList urls;
for(const auto &u : args::get(cmd_args)) {
if(pluginCommands.contains(QString::fromStdString(u))) {
return pluginCommands.value(QString::fromStdString(u))();
} else {
urls.append(QString::fromStdString(u));
}
}
if(urls.isEmpty())
urls.append(QString());
// if app is primary, create new sessions from received messages
if(app.isPrimary() && !cmd_noRemote) {
QObject::connect(&app, &Browser::receivedMessage, &app, [](quint32 instanceId, QByteArray message) {
Q_UNUSED(instanceId);
auto doc = QJsonDocument::fromJson(message);
Session::restoreSession(doc.object());
});
}
{
QJsonObject sessionData;
if(cmd_pickSession) {
auto *dlg = new SessionDialog();
if(const auto pick = dlg->pickSession())
sessionData = pick.value();
else
sessionData = Session::fromCommandLine(profile, urls);
} else if(cmd_session) {
QFile sessionJson(QString::fromStdString(args::get(cmd_session)));
if(sessionJson.open(QIODevice::ReadOnly | QIODevice::Text)) {
sessionData = QJsonDocument::fromJson(sessionJson.readAll()).object();
sessionJson.close();
}
} else {
sessionData = Session::fromCommandLine(profile, urls);
}
if(app.isPrimary() || cmd_noRemote) {
Session::restoreSession(sessionData);
} else {
// app is secondary and not standalone
return app.sendMessage(QJsonDocument(sessionData).toJson());
}
}
return app.exec();
}
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