Scheme.cc

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/*
 * Copyright (C) 1996-2025 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
#include "squid.h"
#include "auth/digest/Config.h"
#include "auth/digest/Scheme.h"
#include "debug/Messages.h"
#include "debug/Stream.h"
#include "globals.h"
#include "helper.h"
 
Auth::Scheme::Pointer Auth::Digest::Scheme::_instance = nullptr;
 
Auth::Scheme::Pointer
Auth::Digest::Scheme::GetInstance()
{
    if (_instance == nullptr) {
        _instance = new Auth::Digest::Scheme();
        AddScheme(_instance);
    }
    return _instance;
}
 
char const *
Auth::Digest::Scheme::type() const
{
    return "digest";
}
 
void
Auth::Digest::Scheme::shutdownCleanup()
{
    if (_instance == nullptr)
        return;
 
    authenticateDigestNonceShutdown();
 
    _instance = nullptr;
    debugs(29, Critical(59), "Shutdown: Digest authentication.");
}
 
Auth::SchemeConfig *
Auth::Digest::Scheme::createConfig()
{
    Auth::Digest::Config *digestCfg = new Auth::Digest::Config;
    return dynamic_cast<Auth::SchemeConfig*>(digestCfg);
}