File indexing completed on 2023-10-03 03:19:51

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2000-2001 Dawit Alemayehu <adawit@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "authinfo.h"
 
 #ifndef KIO_ANDROID_STUB
 #include <QDBusArgument>
 #include <QDBusMetaType>
 #endif
 #include <QDataStream>
 #include <QDir>
 #include <QFile>
 #include <QTextStream>
 
 #include <QStandardPaths>
 
 using namespace KIO;
 
 //////
 
 class ExtraField
 {
 public:
     ExtraField()
         : flags(AuthInfo::ExtraFieldNoFlags)
     {
     }
 
     ExtraField(const ExtraField &other)
         : customTitle(other.customTitle)
         , flags(other.flags)
         , value(other.value)
     {
     }
 
     ExtraField &operator=(const ExtraField &other)
     {
         customTitle = other.customTitle;
         flags = other.flags;
         value = other.value;
         return *this;
     }
 
     QString customTitle; // reserved for future use
     AuthInfo::FieldFlags flags;
     QVariant value;
 };
 Q_DECLARE_METATYPE(ExtraField)
 
 static QDataStream &operator<<(QDataStream &s, const ExtraField &extraField)
 {
     s << extraField.customTitle;
     s << static_cast<int>(extraField.flags);
     s << extraField.value;
     return s;
 }
 
 static QDataStream &operator>>(QDataStream &s, ExtraField &extraField)
 {
     s >> extraField.customTitle;
     int i;
     s >> i;
     extraField.flags = AuthInfo::FieldFlags(i);
     s >> extraField.value;
     return s;
 }
 
 #ifndef KIO_ANDROID_STUB
 static QDBusArgument &operator<<(QDBusArgument &argument, const ExtraField &extraField)
 {
     argument.beginStructure();
     argument << extraField.customTitle << static_cast<int>(extraField.flags) << QDBusVariant(extraField.value);
     argument.endStructure();
     return argument;
 }
 
 static const QDBusArgument &operator>>(const QDBusArgument &argument, ExtraField &extraField)
 {
     QDBusVariant value;
     int flag;
 
     argument.beginStructure();
     argument >> extraField.customTitle >> flag >> value;
     argument.endStructure();
 
     extraField.value = value.variant();
     extraField.flags = KIO::AuthInfo::FieldFlags(flag);
     return argument;
 }
 #endif
 
 class KIO::AuthInfoPrivate
 {
 public:
     QMap<QString, ExtraField> extraFields;
 };
 
 //////
 
 AuthInfo::AuthInfo()
     : d(new AuthInfoPrivate())
 {
     modified = false;
     readOnly = false;
     verifyPath = false;
     keepPassword = false;
     AuthInfo::registerMetaTypes();
 }
 
 AuthInfo::AuthInfo(const AuthInfo &info)
     : d(new AuthInfoPrivate())
 {
     (*this) = info;
     AuthInfo::registerMetaTypes();
 }
 
 AuthInfo::~AuthInfo() = default;
 
 AuthInfo &AuthInfo::operator=(const AuthInfo &info)
 {
     url = info.url;
     username = info.username;
     password = info.password;
     prompt = info.prompt;
     caption = info.caption;
     comment = info.comment;
     commentLabel = info.commentLabel;
     realmValue = info.realmValue;
     digestInfo = info.digestInfo;
     verifyPath = info.verifyPath;
     readOnly = info.readOnly;
     keepPassword = info.keepPassword;
     modified = info.modified;
     d->extraFields = info.d->extraFields;
     return *this;
 }
 
 bool AuthInfo::isModified() const
 {
     return modified;
 }
 
 void AuthInfo::setModified(bool flag)
 {
     modified = flag;
 }
 
 /////
 
 void AuthInfo::setExtraField(const QString &fieldName, const QVariant &value)
 {
     d->extraFields[fieldName].value = value;
 }
 
 void AuthInfo::setExtraFieldFlags(const QString &fieldName, const FieldFlags flags)
 {
     d->extraFields[fieldName].flags = flags;
 }
 
 QVariant AuthInfo::getExtraField(const QString &fieldName) const
 {
     const auto it = d->extraFields.constFind(fieldName);
     if (it == d->extraFields.constEnd()) {
         return QVariant();
     }
     return it->value;
 }
 
 AuthInfo::FieldFlags AuthInfo::getExtraFieldFlags(const QString &fieldName) const
 {
     const auto it = d->extraFields.constFind(fieldName);
     if (it == d->extraFields.constEnd()) {
         return AuthInfo::ExtraFieldNoFlags;
     }
     return it->flags;
 }
 
 void AuthInfo::registerMetaTypes()
 {
     qRegisterMetaType<ExtraField>();
     qRegisterMetaType<KIO::AuthInfo>();
 #ifndef KIO_ANDROID_STUB
     qDBusRegisterMetaType<ExtraField>();
     qDBusRegisterMetaType<KIO::AuthInfo>();
 #endif
 }
 
 /////
 
 QDataStream &KIO::operator<<(QDataStream &s, const AuthInfo &a)
 {
     s << quint8(1) << a.url << a.username << a.password << a.prompt << a.caption << a.comment << a.commentLabel << a.realmValue << a.digestInfo << a.verifyPath
       << a.readOnly << a.keepPassword << a.modified << a.d->extraFields;
     return s;
 }
 
 QDataStream &KIO::operator>>(QDataStream &s, AuthInfo &a)
 {
     quint8 version;
     s >> version >> a.url >> a.username >> a.password >> a.prompt >> a.caption >> a.comment >> a.commentLabel >> a.realmValue >> a.digestInfo >> a.verifyPath
         >> a.readOnly >> a.keepPassword >> a.modified >> a.d->extraFields;
     return s;
 }
 
 #ifndef KIO_ANDROID_STUB
 QDBusArgument &KIO::operator<<(QDBusArgument &argument, const AuthInfo &a)
 {
     argument.beginStructure();
     argument << quint8(1) << a.url.toString() << a.username << a.password << a.prompt << a.caption << a.comment << a.commentLabel << a.realmValue
              << a.digestInfo << a.verifyPath << a.readOnly << a.keepPassword << a.modified << a.d->extraFields;
     argument.endStructure();
     return argument;
 }
 
 const QDBusArgument &KIO::operator>>(const QDBusArgument &argument, AuthInfo &a)
 {
     QString url;
     quint8 version;
 
     argument.beginStructure();
     argument >> version >> url >> a.username >> a.password >> a.prompt >> a.caption >> a.comment >> a.commentLabel >> a.realmValue >> a.digestInfo
         >> a.verifyPath >> a.readOnly >> a.keepPassword >> a.modified >> a.d->extraFields;
     argument.endStructure();
 
     a.url = QUrl(url);
     return argument;
 }
 #endif
 
 typedef QList<NetRC::AutoLogin> LoginList;
 typedef QMap<QString, LoginList> LoginMap;
 
 class Q_DECL_HIDDEN NetRC::NetRCPrivate
 {
 public:
     NetRCPrivate()
         : isDirty(false)
         , index(-1)
     {
     }
     QString extract(const QString &buf, const QString &key);
     void getMachinePart(const QString &line);
     void getMacdefPart(const QString &line);
 
     bool isDirty;
     LoginMap loginMap;
     QTextStream fstream;
     QString type;
     int index;
 };
 
 NetRC *NetRC::instance = nullptr;
 
 NetRC::NetRC()
     : d(new NetRCPrivate)
 {
 }
 
 NetRC::~NetRC()
 {
     delete instance;
     instance = nullptr;
 }
 
 NetRC *NetRC::self()
 {
     if (!instance) {
         instance = new NetRC;
     }
     return instance;
 }
 
 bool NetRC::lookup(const QUrl &url, AutoLogin &login, bool userealnetrc, const QString &_type, LookUpMode mode)
 {
     // qDebug() << "AutoLogin lookup for: " << url.host();
     if (!url.isValid()) {
         return false;
     }
 
     QString type = _type;
     if (type.isEmpty()) {
         type = url.scheme();
     }
 
     if (d->loginMap.isEmpty() || d->isDirty) {
         d->loginMap.clear();
 
         QString filename = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1String("/kionetrc");
         bool kionetrcStatus = parse(filename);
         bool netrcStatus = false;
         if (userealnetrc) {
             filename = QDir::homePath() + QLatin1String("/.netrc");
             netrcStatus = parse(filename);
         }
 
         if (!(kionetrcStatus || netrcStatus)) {
             return false;
         }
     }
 
     const auto loginIt = d->loginMap.constFind(type);
     if (loginIt == d->loginMap.constEnd()) {
         return false;
     }
 
     const LoginList &l = *loginIt;
     if (l.isEmpty()) {
         return false;
     }
 
     for (const AutoLogin &log : l) {
         if ((mode & defaultOnly) == defaultOnly && log.machine == QLatin1String("default") && (login.login.isEmpty() || login.login == log.login)) {
             login.type = log.type;
             login.machine = log.machine;
             login.login = log.login;
             login.password = log.password;
             login.macdef = log.macdef;
         }
 
         if ((mode & presetOnly) == presetOnly && log.machine == QLatin1String("preset") && (login.login.isEmpty() || login.login == log.login)) {
             login.type = log.type;
             login.machine = log.machine;
             login.login = log.login;
             login.password = log.password;
             login.macdef = log.macdef;
         }
 
         if ((mode & exactOnly) == exactOnly && log.machine == url.host() && (login.login.isEmpty() || login.login == log.login)) {
             login.type = log.type;
             login.machine = log.machine;
             login.login = log.login;
             login.password = log.password;
             login.macdef = log.macdef;
             break;
         }
     }
 
     return true;
 }
 
 void NetRC::reload()
 {
     d->isDirty = true;
 }
 
 bool NetRC::parse(const QString &fileName)
 {
     QFile file(fileName);
     if (file.permissions() != (QFile::ReadOwner | QFile::WriteOwner | QFile::ReadUser | QFile::WriteUser)) {
         return false;
     }
     if (!file.open(QIODevice::ReadOnly)) {
         return false;
     }
 
     d->fstream.setDevice(&file);
 
     QString line;
 
     while (!d->fstream.atEnd()) {
         line = d->fstream.readLine().simplified();
 
         // If line is a comment or is empty, read next line
         if ((line.startsWith(QLatin1Char('#')) || line.isEmpty())) {
             continue;
         }
 
         // If line refers to a machine, maybe it is spread in more lines.
         // getMachinePart() will take care of getting all the info and putting it into loginMap.
         if ((line.startsWith(QLatin1String("machine")) || line.startsWith(QLatin1String("default")) || line.startsWith(QLatin1String("preset")))) {
             d->getMachinePart(line);
             continue;
         }
 
         // If line refers to a macdef, it will be more than one line.
         // getMacdefPart() will take care of getting all the lines of the macro
         // and putting them into loginMap
         if (line.startsWith(QLatin1String("macdef"))) {
             d->getMacdefPart(line);
             continue;
         }
     }
     return true;
 }
 
 QString NetRC::NetRCPrivate::extract(const QString &buf, const QString &key)
 {
     QStringList stringList = buf.split(QLatin1Char(' '), Qt::SkipEmptyParts);
     int i = stringList.indexOf(key);
     if ((i != -1) && (i + 1 < stringList.size())) {
         return stringList.at(i + 1);
     } else {
         return QString();
     }
 }
 
 void NetRC::NetRCPrivate::getMachinePart(const QString &line)
 {
     QString buf = line;
     while (!(buf.contains(QLatin1String("login"))
              && (buf.contains(QLatin1String("password")) || buf.contains(QLatin1String("account")) || buf.contains(QLatin1String("type"))))) {
         buf += QLatin1Char(' ') + fstream.readLine().simplified();
     }
 
     // Once we've got all the info, process it.
     AutoLogin l;
     l.machine = extract(buf, QStringLiteral("machine"));
     if (l.machine.isEmpty()) {
         if (buf.contains(QLatin1String("default"))) {
             l.machine = QStringLiteral("default");
         } else if (buf.contains(QLatin1String("preset"))) {
             l.machine = QStringLiteral("preset");
         }
     }
 
     l.login = extract(buf, QStringLiteral("login"));
     l.password = extract(buf, QStringLiteral("password"));
     if (l.password.isEmpty()) {
         l.password = extract(buf, QStringLiteral("account"));
     }
 
     type = l.type = extract(buf, QStringLiteral("type"));
     if (l.type.isEmpty() && !l.machine.isEmpty()) {
         type = l.type = QStringLiteral("ftp");
     }
 
     loginMap[l.type].append(l);
     index = loginMap[l.type].count() - 1;
 }
 
 void NetRC::NetRCPrivate::getMacdefPart(const QString &line)
 {
     QString buf = line;
     QString macro = extract(buf, QStringLiteral("macdef"));
     QString newLine;
     while (!fstream.atEnd()) {
         newLine = fstream.readLine().simplified();
         if (!newLine.isEmpty()) {
             buf += QLatin1Char('\n') + newLine;
         } else {
             break;
         }
     }
     loginMap[type][index].macdef[macro].append(buf);
 }