File indexing completed on 2024-06-23 05:14:10

 /*  smartcard/keypairinfo.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2020 g10 Code GmbH
     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "keypairinfo.h"
 
 #include <QString>
 #include <QStringList>
 
 using namespace Kleo::SmartCard;
 
 // static
 KeyPairInfo KeyPairInfo::fromStatusLine(const std::string &s)
 {
     // The format of a KEYPAIRINFO line is
     //   KEYPAIRINFO <hexgrip> <keyref> [usage] [keytime] [algostr]
     // The string s does not contain the leading "KEYPAIRINFO ".
     KeyPairInfo info;
     const auto values = QString::fromStdString(s).split(QLatin1Char(' '));
     if (values.size() < 2) {
         return info;
     }
     info.grip = values[0].toStdString();
     info.keyRef = values[1].toStdString();
     if (values.size() >= 3) {
         info.usage = values[2].toStdString();
     }
     if (values.size() >= 4) {
         info.keyTime = values[3].toStdString();
     }
     if (values.size() >= 5) {
         info.algorithm = values[4].toStdString();
     }
     return info;
 }
 
 bool KeyPairInfo::canAuthenticate() const
 {
     return usage.find('a') != std::string::npos;
 }
 
 bool KeyPairInfo::canCertify() const
 {
     return usage.find('c') != std::string::npos;
 }
 
 bool KeyPairInfo::canEncrypt() const
 {
     return usage.find('e') != std::string::npos;
 }
 
 bool KeyPairInfo::canSign() const
 {
     return usage.find('s') != std::string::npos;
 }
 
 void KeyPairInfo::update(const KeyPairInfo &other)
 {
     Q_ASSERT(keyRef == other.keyRef);
     if (keyRef != other.keyRef) {
         return;
     }
     if (grip != other.grip) {
         // reset all infos if the grip changed
         grip = other.grip;
         usage = std::string();
         keyTime = std::string();
         algorithm = std::string();
     }
     // now update all infos from other's infos unless other's infos are empty or not specified
     if (!other.usage.empty() && other.usage != "-") {
         usage = other.usage;
     }
     if (!other.keyTime.empty() && other.keyTime != "-") {
         keyTime = other.keyTime;
     }
     if (!other.algorithm.empty() && other.algorithm != "-") {
         algorithm = other.algorithm;
     }
 }
 
 // C++20: Replace with defaulted equality operator
 bool KeyPairInfo::operator==(const KeyPairInfo &other) const
 {
     return keyRef == other.keyRef && grip == other.grip && usage == other.usage && keyTime == other.keyTime && algorithm == other.algorithm;
 }
 
 // C++20: Remove
 bool KeyPairInfo::operator!=(const KeyPairInfo &other) const
 {
     return !operator==(other);
 }