ssucoreconfig.cpp

/**
 * @file ssucoreconfig.cpp
 * @copyright 2013 Jolla Ltd.
 * @author Bernd Wachter <bwachter@lart.info>
 * @date 2013
 */

#include <QFile>
#include <QTextStream>
#include <QDBusConnection>

#include <getdef.h>
#include <sys/types.h>
#include <unistd.h>

#include "ssucoreconfig_p.h"

SsuCoreConfig *SsuCoreConfig::ssuCoreConfig = 0;

SsuCoreConfig *SsuCoreConfig::instance()
{
    if (!ssuCoreConfig)
        ssuCoreConfig = new SsuCoreConfig;

    return ssuCoreConfig;
}

QPair<QString, QString> SsuCoreConfig::credentials(const QString &scope)
{
    QPair<QString, QString> ret;
    beginGroup("credentials-" + scope);
    ret.first = value("username").toString();
    ret.second = value("password").toString();
    endGroup();
    return ret;
}

QString SsuCoreConfig::credentialsScope(const QString &repoName, bool rndRepo)
{
    Q_UNUSED(repoName)
    Q_UNUSED(rndRepo)

    if (contains("credentials-scope"))
        return value("credentials-scope").toString();
    else
        return "your-configuration-is-broken-and-does-not-contain-credentials-scope";
}

QString SsuCoreConfig::credentialsUrl(const QString &scope)
{
    if (contains("credentials-url-" + scope))
        return value("credentials-url-" + scope).toString();
    else
        return "your-configuration-is-broken-and-does-not-contain-credentials-url-for-" + scope;
}

QString SsuCoreConfig::flavour()
{
    if (contains("flavour"))
        return value("flavour").toString();
    else
        return "release";
}

Ssu::DeviceModeFlags SsuCoreConfig::deviceMode()
{
    if (!contains("deviceMode"))
        return Ssu::ReleaseMode;
    else
        return Ssu::DeviceModeFlags(value("deviceMode").toInt());
}

QString SsuCoreConfig::domain(bool pretty)
{
    if (contains("domain")) {
        if (pretty)
            return value("domain").toString().replace(":", "-");
        else
            return value("domain").toString();
    } else {
        return QString();
    }
}

bool SsuCoreConfig::isRegistered()
{
    if (!contains("privateKey"))
        return false;
    if (!contains("certificate"))
        return false;
    return value("registered").toBool();
}

QDateTime SsuCoreConfig::lastCredentialsUpdate()
{
    return value("lastCredentialsUpdate").toDateTime();
}

QString SsuCoreConfig::release(bool rnd)
{
    if (rnd)
        return value("rndRelease").toString();
    else
        return value("release").toString();
}

void SsuCoreConfig::setDeviceMode(Ssu::DeviceModeFlags mode, enum Ssu::EditMode editMode)
{
    int oldMode = value("deviceMode").toInt();

    if ((editMode & Ssu::Add) == Ssu::Add) {
        oldMode |= mode;
    } else if ((editMode & Ssu::Remove) == Ssu::Remove) {
        oldMode &= ~mode;
    } else {
        oldMode = mode;
    }

    setValue("deviceMode", oldMode);
    sync();
}

void SsuCoreConfig::setFlavour(const QString &flavour)
{
    setValue("flavour", flavour);
    // flavour is RnD only, so enable RnD mode
    setDeviceMode(Ssu::RndMode, Ssu::Add);
    sync();
}

void SsuCoreConfig::setRelease(const QString &release, bool rnd)
{
    if (rnd) {
        setValue("rndRelease", release);
        // switch rndMode on/off when setting releases
        setDeviceMode(Ssu::RndMode, Ssu::Add);
    } else {
        setValue("release", release);
        setDeviceMode(Ssu::RndMode, Ssu::Remove);
    }
    sync();
}

void SsuCoreConfig::setDomain(const QString &domain)
{
    // - in domain messes with default section autodetection,
    // so change it to :
    setValue("domain", QString(domain).replace("-", ":"));
    sync();
}

bool SsuCoreConfig::useSslVerify()
{
    if (contains("ssl-verify"))
        return value("ssl-verify").toBool();
    else
        return true;
}

QDBusConnection SsuCoreConfig::userSessionBus()
{
    int uid_min = getdef_num("UID_MIN", -1);

    // For calls from valid UID we assume that they are properly logged in users.
    // If they are not the call will fail, but it's their fault.
    if (getuid() >= static_cast<uid_t>(uid_min)) {
        return QDBusConnection::sessionBus();
    } else {
        // DBus security policy will prevent this beeing used by callers other
        // than root at the moment. Still do it generic in case DBus policy will
        // be extended later, and just use the usual 'DBus: THOU SHALL NOT PASS!'
        // @TODO the uid to be used should be determined using the logind API from
        //       systemd package to support multiuser systems in the future
        QString sessionBusAddress = QString("unix:path=/run/user/%1/dbus/user_bus_socket")
                                    .arg(uid_min);
        return QDBusConnection::connectToBus(sessionBusAddress, "userSessionBus");
    }
}