convert.cpp

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/*
 * Copyright (C) 2006 Jimmy Gilles <jimmygilles@gmail.com>
 * Copyright (C) 2010,2013 Rolf Eike Beer <kde@opensource.sf-tec.de>
 */
/***************************************************************************
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

#include "convert.h"

#include <KDebug>
#include <KGlobal>
#include <KLocale>

#include "kgpgsettings.h"
#include "images.h"

namespace KgpgCore
{

namespace Convert
{

QString toString(const KgpgKeyAlgo algorithm)
{
    switch (algorithm)
    {
        case ALGO_RSA:          return i18nc("Encryption algorithm", "RSA");
        case ALGO_DSA:          return i18nc("Encryption algorithm", "DSA");
        case ALGO_ELGAMAL:      return i18nc("Encryption algorithm", "ElGamal");
        case ALGO_DSA_ELGAMAL:  return i18nc("Encryption algorithm", "DSA & ElGamal");
        case ALGO_RSA_RSA:      return i18nc("Encryption algorithm RSA, Signing algorithm RSA", "RSA & RSA");
        case ALGO_UNKNOWN:
        default:                return i18nc("Unknown algorithm", "Unknown");
    }
}

QString toString(const KgpgKeyOwnerTrust ownertrust)
{
    switch (ownertrust)
    {
        case OWTRUST_UNDEFINED: return i18n("Do not Know");
        case OWTRUST_NONE:      return i18n("Do NOT Trust");
        case OWTRUST_MARGINAL:  return i18n("Marginally");
        case OWTRUST_FULL:      return i18n("Fully");
        case OWTRUST_ULTIMATE:  return i18n("Ultimately");
        case OWTRUST_UNKNOWN:
        default:                return i18nc("Unknown trust in key owner", "Unknown");
    }
}

QString toString(const KgpgKeyTrust trust)
{
    switch (trust)
    {
        case TRUST_INVALID:     return i18nc("Invalid key", "Invalid");
        case TRUST_DISABLED:    return i18nc("Disabled key", "Disabled");
        case TRUST_REVOKED:     return i18n("Revoked");
        case TRUST_EXPIRED:     return i18nc("Expired key", "Expired");
        case TRUST_UNDEFINED:   return i18nc("Undefined key trust", "Undefined");
        case TRUST_NONE:        return i18nc("No trust in key", "None");
        case TRUST_MARGINAL:    return i18nc("Marginal trust in key", "Marginal");
        case TRUST_FULL:        return i18nc("Full trust in key", "Full");
        case TRUST_ULTIMATE:    return i18nc("Ultimate trust in key", "Ultimate");
        case TRUST_UNKNOWN:
        default:                return i18nc("Unknown trust in key", "Unknown");
    }
}

QString toString(const QDate &date)
{
    return KGlobal::locale()->formatDate(date, KLocale::ShortDate);
}

QString toString(const KgpgCore::KgpgSubKeyType type)
{
    QStringList res;

    if (type & SKT_SIGNATURE)
        res << i18nc("key capability", "Signature");
    if (type & SKT_ENCRYPTION)
        res << i18nc("key capability", "Encryption");
    if (type & SKT_AUTHENTICATION)
        res << i18nc("key capability", "Authentication");
    if (type & SKT_CERTIFICATION)
        res << i18nc("key capability", "Certification");

    return res.join(i18nc("used to join a list of key types, e.g. 'encryption, signature'", ", "));
}

KgpgKeyAlgo toAlgo(const uint v)
{
    switch (v)
    {
        case 1:      return ALGO_RSA;
        case 16:
        case 20:     return ALGO_ELGAMAL;
        case 17:     return ALGO_DSA;
        default:     return ALGO_UNKNOWN;
    }
}

KgpgKeyAlgo toAlgo(const QString &s)
{
    bool b;
    unsigned int u = s.toUInt(&b);
    return b ? toAlgo(u) : ALGO_UNKNOWN;
}

KgpgKeyTrust toTrust(const QChar &c)
{
    switch (c.toAscii())
    {
        case 'o':    return TRUST_UNKNOWN;
        case 'i':    return TRUST_INVALID;
        case 'd':    return TRUST_DISABLED;
        case 'r':    return TRUST_REVOKED;
        case 'e':    return TRUST_EXPIRED;
        case 'q':    return TRUST_UNDEFINED;
        case 'n':    return TRUST_NONE;
        case 'm':    return TRUST_MARGINAL;
        case 'f':    return TRUST_FULL;
        case 'u':    return TRUST_ULTIMATE;
        default:     return TRUST_UNKNOWN;
    }
}

KgpgKeyTrust toTrust(const QString &s)
{
    return s.isEmpty() ? TRUST_UNKNOWN : toTrust(s[0]);
}

KgpgKeyOwnerTrust toOwnerTrust(const QChar &c)
{
    switch (c.toAscii())
    {
        case 'n':     return OWTRUST_NONE;
        case 'm':     return OWTRUST_MARGINAL;
        case 'u':     return OWTRUST_ULTIMATE;
        case 'f':     return OWTRUST_FULL;
        default:      return OWTRUST_UNDEFINED;
    }
}

KgpgKeyOwnerTrust toOwnerTrust(const QString &s)
{
    return s.isEmpty() ? OWTRUST_UNDEFINED : toOwnerTrust(s[0]);
}

KgpgSubKeyType toSubType(const QString& capString, bool upper)
{
    KgpgSubKeyType ret;

    foreach (const QChar &ch, capString) {
        switch (ch.toAscii()) {
            case 's':
            case 'S':
                if (upper != ch.isUpper())
                    continue;
                ret |= SKT_SIGNATURE;
                break;
            case 'e':
            case 'E':
                if (upper != ch.isUpper())
                    continue;
                ret |= SKT_ENCRYPTION;
                break;
            case 'a':
            case 'A':
                if (upper != ch.isUpper())
                    continue;
                ret |= SKT_AUTHENTICATION;
                break;
            case 'c':
            case 'C':
                if (upper != ch.isUpper())
                    continue;
                ret |= SKT_CERTIFICATION;
                break;
            case 'D':   // disabled key
            case '?':   // unknown to GnuPG
                continue;
            default:
                kDebug(2100) << "unknown capability letter" << ch
                << "in cap string" << capString;
        }
    }

    return ret;
}

} // namespace Convert

} // namespace KgpgCore