/*
 * Copyright (C) 2004,2005  Justin Karneges <justin@affinix.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301  USA
 *
 */

// need to define this immediately
#define _WIN32_WINNT 0x400

#include "qca_systemstore.h"

#include <windows.h>
// do not remove this comment. it keeps windows.h on the top during clang-format phase
#include <wincrypt.h>

namespace QCA {

bool qca_have_systemstore()
{
    bool       ok = false;
    HCERTSTORE hSystemStore;
    hSystemStore = CertOpenSystemStoreA(0, "ROOT");
    if (hSystemStore)
        ok = true;
    CertCloseStore(hSystemStore, 0);
    return ok;
}

CertificateCollection qca_get_systemstore(const QString &provider)
{
    CertificateCollection col;
    HCERTSTORE            hSystemStore;
    hSystemStore = CertOpenSystemStoreA(0, "ROOT");
    if (!hSystemStore)
        return col;
    PCCERT_CONTEXT pc = NULL;
    while (1) {
        pc = CertFindCertificateInStore(
            hSystemStore, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, 0, CERT_FIND_ANY, NULL, pc);
        if (!pc)
            break;
        int        size = pc->cbCertEncoded;
        QByteArray der(size, 0);
        memcpy(der.data(), pc->pbCertEncoded, size);

        Certificate cert = Certificate::fromDER(der, 0, provider);
        if (!cert.isNull())
            col.addCertificate(cert);
    }
    CertCloseStore(hSystemStore, 0);
    return col;
}

}