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path: root/lib/pluginloader/pluginloader.h
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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://library.iserlohn-fortress.net/aqua/smolbote.git
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include <QPluginLoader>

class PluginLoader : public QPluginLoader
{
public:
    enum signature_level {
        SigIgnored = 1,
        SigChecked = (1 << 1),
        SigEnforced = (1 << 2),
    };
    typedef unsigned int signature_state_t;
    static signature_state_t signature_state(bool ignore, bool check, bool enforce)
    {
        return (static_cast<unsigned int>(enforce) << 2) | (static_cast<unsigned int>(check) << 1) | static_cast<unsigned int>(ignore);
    }

    PluginLoader(const QString &fileName, const signature_state_t state, QObject *parent = nullptr)
        : QPluginLoader(fileName, parent)
        , m_state(state)
    {
    }
    ~PluginLoader() override = default;

    PluginLoader(const PluginLoader &) = delete;
    PluginLoader &operator=(const PluginLoader &) = delete;
    PluginLoader(PluginLoader &&) = delete;
    PluginLoader &operator=(PluginLoader &&) = delete;

    [[nodiscard]] QString errorString() const
    {
        if(!m_sigError.isEmpty()) {
            return m_sigError;
        }
        return QPluginLoader::errorString();
    }

    bool verify(const char *hashName = "SHA256");

private:
    const signature_state_t m_state;
    QString m_sigError;
};