Added FTP support. (List and Download)

src/lib/3rdparty/qftp.h

@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFTP_H
+#define QFTP_H
+
+#include <QtCore/qstring.h>
+#include "qurlinfo.h"
+#include <QtCore/qobject.h>
+
+QT_BEGIN_HEADER
+
+class QFtpPrivate;
+
+class QFtp : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit QFtp(QObject *parent = 0);
+    virtual ~QFtp();
+
+    enum State {
+        Unconnected,
+        HostLookup,
+        Connecting,
+        Connected,
+        LoggedIn,
+        Closing
+    };
+    enum Error {
+        NoError,
+        UnknownError,
+        HostNotFound,
+        ConnectionRefused,
+        NotConnected
+    };
+    enum Command {
+        None,
+        SetTransferMode,
+        SetProxy,
+        ConnectToHost,
+        Login,
+        Close,
+        List,
+        Cd,
+        Get,
+        Put,
+        Remove,
+        Mkdir,
+        Rmdir,
+        Rename,
+        RawCommand
+    };
+    enum TransferMode {
+        Active,
+        Passive
+    };
+    enum TransferType {
+        Binary,
+        Ascii
+    };
+
+    int setProxy(const QString &host, quint16 port);
+    int connectToHost(const QString &host, quint16 port=21);
+    int login(const QString &user = QString(), const QString &password = QString());
+    int close();
+    int setTransferMode(TransferMode mode);
+    int list(const QString &dir = QString());
+    int cd(const QString &dir);
+    int get(const QString &file, QIODevice *dev=0, TransferType type = Binary);
+    int put(const QByteArray &data, const QString &file, TransferType type = Binary);
+    int put(QIODevice *dev, const QString &file, TransferType type = Binary);
+    int remove(const QString &file);
+    int mkdir(const QString &dir);
+    int rmdir(const QString &dir);
+    int rename(const QString &oldname, const QString &newname);
+
+    int rawCommand(const QString &command);
+
+    qint64 bytesAvailable() const;
+    qint64 read(char *data, qint64 maxlen);
+    QByteArray readAll();
+
+    int currentId() const;
+    QIODevice* currentDevice() const;
+    Command currentCommand() const;
+    bool hasPendingCommands() const;
+    void clearPendingCommands();
+
+    State state() const;
+
+    Error error() const;
+    QString errorString() const;
+
+public Q_SLOTS:
+    void abort();
+
+Q_SIGNALS:
+    void stateChanged(int);
+    void listInfo(const QUrlInfo&);
+    void readyRead();
+    void dataTransferProgress(qint64, qint64);
+    void rawCommandReply(int, const QString&);
+
+    void commandStarted(int);
+    void commandFinished(int, bool);
+    void done(bool);
+
+private:
+    Q_DISABLE_COPY(QFtp)
+    QScopedPointer<QFtpPrivate> d;
+
+    Q_PRIVATE_SLOT(d, void _q_startNextCommand())
+    Q_PRIVATE_SLOT(d, void _q_piFinished(const QString&))
+    Q_PRIVATE_SLOT(d, void _q_piError(int, const QString&))
+    Q_PRIVATE_SLOT(d, void _q_piConnectState(int))
+    Q_PRIVATE_SLOT(d, void _q_piFtpReply(int, const QString&))
+};
+
+QT_END_HEADER
+
+#endif // QFTP_H

src/lib/3rdparty/qftp.pri

@@ -0,0 +1,2 @@
+HEADERS += $$PWD/qftp.h $$PWD/qurlinfo.h
+SOURCES += $$PWD/qftp.cpp $$PWD/qurlinfo.cpp

src/lib/3rdparty/qurlinfo.cpp

@@ -0,0 +1,728 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qurlinfo.h"
+
+#include "qurl.h"
+#include "qdir.h"
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+class QUrlInfoPrivate
+{
+public:
+    QUrlInfoPrivate() :
+        permissions(0),
+        size(0),
+        isDir(false),
+        isFile(true),
+        isSymLink(false),
+        isWritable(true),
+        isReadable(true),
+        isExecutable(false)
+    {}
+
+    QString name;
+    int permissions;
+    QString owner;
+    QString group;
+    qint64 size;
+
+    QDateTime lastModified;
+    QDateTime lastRead;
+    bool isDir;
+    bool isFile;
+    bool isSymLink;
+    bool isWritable;
+    bool isReadable;
+    bool isExecutable;
+};
+
+
+/*!
+    \class QUrlInfo
+    \brief The QUrlInfo class stores information about URLs.
+
+    \ingroup io
+    \ingroup network
+    \inmodule QtNetwork
+
+    The information about a URL that can be retrieved includes name(),
+    permissions(), owner(), group(), size(), lastModified(),
+    lastRead(), isDir(), isFile(), isSymLink(), isWritable(),
+    isReadable() and isExecutable().
+
+    You can create your own QUrlInfo objects passing in all the
+    relevant information in the constructor, and you can modify a
+    QUrlInfo; for each getter mentioned above there is an equivalent
+    setter. Note that setting values does not affect the underlying
+    resource that the QUrlInfo provides information about; for example
+    if you call setWritable(true) on a read-only resource the only
+    thing changed is the QUrlInfo object, not the resource.
+
+    \sa QUrl, {FTP Example}
+*/
+
+/*!
+    \enum QUrlInfo::PermissionSpec
+
+    This enum is used by the permissions() function to report the
+    permissions of a file.
+
+    \value ReadOwner The file is readable by the owner of the file.
+    \value WriteOwner The file is writable by the owner of the file.
+    \value ExeOwner The file is executable by the owner of the file.
+    \value ReadGroup The file is readable by the group.
+    \value WriteGroup The file is writable by the group.
+    \value ExeGroup The file is executable by the group.
+    \value ReadOther The file is readable by anyone.
+    \value WriteOther The file is writable by anyone.
+    \value ExeOther The file is executable by anyone.
+*/
+
+/*!
+    Constructs an invalid QUrlInfo object with default values.
+
+    \sa isValid()
+*/
+
+QUrlInfo::QUrlInfo()
+{
+    d = 0;
+}
+
+/*!
+    Copy constructor, copies \a ui to this URL info object.
+*/
+
+QUrlInfo::QUrlInfo(const QUrlInfo &ui)
+{
+    if (ui.d) {
+        d = new QUrlInfoPrivate;
+        *d = *ui.d;
+    } else {
+        d = 0;
+    }
+}
+
+/*!
+    Constructs a QUrlInfo object by specifying all the URL's
+    information.
+
+    The information that is passed is the \a name, file \a
+    permissions, \a owner and \a group and the file's \a size. Also
+    passed is the \a lastModified date/time and the \a lastRead
+    date/time. Flags are also passed, specifically, \a isDir, \a
+    isFile, \a isSymLink, \a isWritable, \a isReadable and \a
+    isExecutable.
+*/
+
+QUrlInfo::QUrlInfo(const QString &name, int permissions, const QString &owner,
+                    const QString &group, qint64 size, const QDateTime &lastModified,
+                    const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+                    bool isWritable, bool isReadable, bool isExecutable)
+{
+    d = new QUrlInfoPrivate;
+    d->name = name;
+    d->permissions = permissions;
+    d->owner = owner;
+    d->group = group;
+    d->size = size;
+    d->lastModified = lastModified;
+    d->lastRead = lastRead;
+    d->isDir = isDir;
+    d->isFile = isFile;
+    d->isSymLink = isSymLink;
+    d->isWritable = isWritable;
+    d->isReadable = isReadable;
+    d->isExecutable = isExecutable;
+}
+
+
+/*!
+    Constructs a QUrlInfo object by specifying all the URL's
+    information.
+
+    The information that is passed is the \a url, file \a
+    permissions, \a owner and \a group and the file's \a size. Also
+    passed is the \a lastModified date/time and the \a lastRead
+    date/time. Flags are also passed, specifically, \a isDir, \a
+    isFile, \a isSymLink, \a isWritable, \a isReadable and \a
+    isExecutable.
+*/
+
+QUrlInfo::QUrlInfo(const QUrl &url, int permissions, const QString &owner,
+                    const QString &group, qint64 size, const QDateTime &lastModified,
+                    const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+                    bool isWritable, bool isReadable, bool isExecutable)
+{
+    d = new QUrlInfoPrivate;
+    d->name = QFileInfo(url.path()).fileName();
+    d->permissions = permissions;
+    d->owner = owner;
+    d->group = group;
+    d->size = size;
+    d->lastModified = lastModified;
+    d->lastRead = lastRead;
+    d->isDir = isDir;
+    d->isFile = isFile;
+    d->isSymLink = isSymLink;
+    d->isWritable = isWritable;
+    d->isReadable = isReadable;
+    d->isExecutable = isExecutable;
+}
+
+
+/*!
+    Sets the name of the URL to \a name. The name is the full text,
+    for example, "http://qt.nokia.com/doc/qurlinfo.html".
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setName(const QString &name)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->name = name;
+}
+
+
+/*!
+    If \a b is true then the URL is set to be a directory; if \a b is
+    false then the URL is set not to be a directory (which normally
+    means it is a file). (Note that a URL can refer to both a file and
+    a directory even though most file systems do not support this.)
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setDir(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isDir = b;
+}
+
+
+/*!
+    If \a b is true then the URL is set to be a file; if \b is false
+    then the URL is set not to be a file (which normally means it is a
+    directory). (Note that a URL can refer to both a file and a
+    directory even though most file systems do not support this.)
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setFile(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isFile = b;
+}
+
+
+/*!
+    Specifies that the URL refers to a symbolic link if \a b is true
+    and that it does not if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setSymLink(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isSymLink = b;
+}
+
+
+/*!
+    Specifies that the URL is writable if \a b is true and not
+    writable if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setWritable(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isWritable = b;
+}
+
+
+/*!
+    Specifies that the URL is readable if \a b is true and not
+    readable if \a b is false.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setReadable(bool b)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->isReadable = b;
+}
+
+/*!
+    Specifies that the owner of the URL is called \a s.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setOwner(const QString &s)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->owner = s;
+}
+
+/*!
+    Specifies that the owning group of the URL is called \a s.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setGroup(const QString &s)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->group = s;
+}
+
+/*!
+    Specifies the \a size of the URL.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setSize(qint64 size)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->size = size;
+}
+
+/*!
+    Specifies that the URL has access permissions \a p.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setPermissions(int p)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->permissions = p;
+}
+
+/*!
+    Specifies that the object the URL refers to was last modified at
+    \a dt.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setLastModified(const QDateTime &dt)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->lastModified = dt;
+}
+
+/*!
+    \since 4.4
+
+    Specifies that the object the URL refers to was last read at
+    \a dt.
+
+    If you call this function for an invalid URL info, this function
+    turns it into a valid one.
+
+    \sa isValid()
+*/
+
+void QUrlInfo::setLastRead(const QDateTime &dt)
+{
+    if (!d)
+        d = new QUrlInfoPrivate;
+    d->lastRead = dt;
+}
+
+/*!
+    Destroys the URL info object.
+*/
+
+QUrlInfo::~QUrlInfo()
+{
+    delete d;
+}
+
+/*!
+    Assigns the values of \a ui to this QUrlInfo object.
+*/
+
+QUrlInfo &QUrlInfo::operator=(const QUrlInfo &ui)
+{
+    if (ui.d) {
+        if (!d)
+            d= new QUrlInfoPrivate;
+        *d = *ui.d;
+    } else {
+        delete d;
+        d = 0;
+    }
+    return *this;
+}
+
+/*!
+    Returns the file name of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::name() const
+{
+    if (!d)
+        return QString();
+    return d->name;
+}
+
+/*!
+    Returns the permissions of the URL. You can use the \c PermissionSpec flags
+    to test for certain permissions.
+
+    \sa isValid()
+*/
+
+int QUrlInfo::permissions() const
+{
+    if (!d)
+        return 0;
+    return d->permissions;
+}
+
+/*!
+    Returns the owner of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::owner() const
+{
+    if (!d)
+        return QString();
+    return d->owner;
+}
+
+/*!
+    Returns the group of the URL.
+
+    \sa isValid()
+*/
+
+QString QUrlInfo::group() const
+{
+    if (!d)
+        return QString();
+    return d->group;
+}
+
+/*!
+    Returns the size of the URL.
+
+    \sa isValid()
+*/
+
+qint64 QUrlInfo::size() const
+{
+    if (!d)
+        return 0;
+    return d->size;
+}
+
+/*!
+    Returns the last modification date of the URL.
+
+    \sa isValid()
+*/
+
+QDateTime QUrlInfo::lastModified() const
+{
+    if (!d)
+        return QDateTime();
+    return d->lastModified;
+}
+
+/*!
+    Returns the date when the URL was last read.
+
+    \sa isValid()
+*/
+
+QDateTime QUrlInfo::lastRead() const
+{
+    if (!d)
+        return QDateTime();
+    return d->lastRead;
+}
+
+/*!
+    Returns true if the URL is a directory; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isDir() const
+{
+    if (!d)
+        return false;
+    return d->isDir;
+}
+
+/*!
+    Returns true if the URL is a file; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isFile() const
+{
+    if (!d)
+        return false;
+    return d->isFile;
+}
+
+/*!
+    Returns true if the URL is a symbolic link; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isSymLink() const
+{
+    if (!d)
+        return false;
+    return d->isSymLink;
+}
+
+/*!
+    Returns true if the URL is writable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isWritable() const
+{
+    if (!d)
+        return false;
+    return d->isWritable;
+}
+
+/*!
+    Returns true if the URL is readable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isReadable() const
+{
+    if (!d)
+        return false;
+    return d->isReadable;
+}
+
+/*!
+    Returns true if the URL is executable; otherwise returns false.
+
+    \sa isValid()
+*/
+
+bool QUrlInfo::isExecutable() const
+{
+    if (!d)
+        return false;
+    return d->isExecutable;
+}
+
+/*!
+    Returns true if \a i1 is greater than \a i2; otherwise returns
+    false. The objects are compared by the value, which is specified
+    by \a sortBy. This must be one of QDir::Name, QDir::Time or
+    QDir::Size.
+*/
+
+bool QUrlInfo::greaterThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                            int sortBy)
+{
+    switch (sortBy) {
+    case QDir::Name:
+        return i1.name() > i2.name();
+    case QDir::Time:
+        return i1.lastModified() > i2.lastModified();
+    case QDir::Size:
+        return i1.size() > i2.size();
+    default:
+        return false;
+    }
+}
+
+/*!
+    Returns true if \a i1 is less than \a i2; otherwise returns false.
+    The objects are compared by the value, which is specified by \a
+    sortBy. This must be one of QDir::Name, QDir::Time or QDir::Size.
+*/
+
+bool QUrlInfo::lessThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                         int sortBy)
+{
+    return !greaterThan(i1, i2, sortBy);
+}
+
+/*!
+    Returns true if \a i1 equals to \a i2; otherwise returns false.
+    The objects are compared by the value, which is specified by \a
+    sortBy. This must be one of QDir::Name, QDir::Time or QDir::Size.
+*/
+
+bool QUrlInfo::equal(const QUrlInfo &i1, const QUrlInfo &i2,
+                      int sortBy)
+{
+    switch (sortBy) {
+    case QDir::Name:
+        return i1.name() == i2.name();
+    case QDir::Time:
+        return i1.lastModified() == i2.lastModified();
+    case QDir::Size:
+        return i1.size() == i2.size();
+    default:
+        return false;
+    }
+}
+
+/*!
+    Returns true if this QUrlInfo is equal to \a other; otherwise
+    returns false.
+
+    \sa lessThan(), equal()
+*/
+
+bool QUrlInfo::operator==(const QUrlInfo &other) const
+{
+    if (!d)
+        return other.d == 0;
+    if (!other.d)
+        return false;
+
+    return (d->name == other.d->name &&
+            d->permissions == other.d->permissions &&
+            d->owner == other.d->owner &&
+            d->group == other.d->group &&
+            d->size == other.d->size &&
+            d->lastModified == other.d->lastModified &&
+            d->lastRead == other.d->lastRead &&
+            d->isDir == other.d->isDir &&
+            d->isFile == other.d->isFile &&
+            d->isSymLink == other.d->isSymLink &&
+            d->isWritable == other.d->isWritable &&
+            d->isReadable == other.d->isReadable &&
+            d->isExecutable == other.d->isExecutable);
+}
+
+/*!
+    \fn bool QUrlInfo::operator!=(const QUrlInfo &other) const
+    \since 4.2
+
+    Returns true if this QUrlInfo is not equal to \a other; otherwise
+    returns false.
+
+    \sa lessThan(), equal()
+*/
+
+/*!
+    Returns true if the URL info is valid; otherwise returns false.
+    Valid means that the QUrlInfo contains real information.
+
+    You should always check if the URL info is valid before relying on
+    the values.
+*/
+bool QUrlInfo::isValid() const
+{
+    return d != 0;
+}
+
+QT_END_NAMESPACE

src/lib/3rdparty/qurlinfo.h

@@ -0,0 +1,126 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QURLINFO_H
+#define QURLINFO_H
+
+#include <QtCore/qdatetime.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qiodevice.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+class QUrl;
+class QUrlInfoPrivate;
+
+class QUrlInfo
+{
+public:
+    enum PermissionSpec {
+        ReadOwner = 00400, WriteOwner = 00200, ExeOwner = 00100,
+        ReadGroup = 00040, WriteGroup = 00020, ExeGroup = 00010,
+        ReadOther = 00004, WriteOther = 00002, ExeOther = 00001 };
+
+    QUrlInfo();
+    QUrlInfo(const QUrlInfo &ui);
+    QUrlInfo(const QString &name, int permissions, const QString &owner,
+             const QString &group, qint64 size, const QDateTime &lastModified,
+             const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+             bool isWritable, bool isReadable, bool isExecutable);
+    QUrlInfo(const QUrl &url, int permissions, const QString &owner,
+             const QString &group, qint64 size, const QDateTime &lastModified,
+             const QDateTime &lastRead, bool isDir, bool isFile, bool isSymLink,
+             bool isWritable, bool isReadable, bool isExecutable);
+    QUrlInfo &operator=(const QUrlInfo &ui);
+    virtual ~QUrlInfo();
+
+    virtual void setName(const QString &name);
+    virtual void setDir(bool b);
+    virtual void setFile(bool b);
+    virtual void setSymLink(bool b);
+    virtual void setOwner(const QString &s);
+    virtual void setGroup(const QString &s);
+    virtual void setSize(qint64 size);
+    virtual void setWritable(bool b);
+    virtual void setReadable(bool b);
+    virtual void setPermissions(int p);
+    virtual void setLastModified(const QDateTime &dt);
+    void setLastRead(const QDateTime &dt);
+
+    bool isValid() const;
+
+    QString name() const;
+    int permissions() const;
+    QString owner() const;
+    QString group() const;
+    qint64 size() const;
+    QDateTime lastModified() const;
+    QDateTime lastRead() const;
+    bool isDir() const;
+    bool isFile() const;
+    bool isSymLink() const;
+    bool isWritable() const;
+    bool isReadable() const;
+    bool isExecutable() const;
+
+    static bool greaterThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                             int sortBy);
+    static bool lessThan(const QUrlInfo &i1, const QUrlInfo &i2,
+                          int sortBy);
+    static bool equal(const QUrlInfo &i1, const QUrlInfo &i2,
+                       int sortBy);
+
+    bool operator==(const QUrlInfo &i) const;
+    inline bool operator!=(const QUrlInfo &i) const
+    { return !operator==(i); }
+
+private:
+    QUrlInfoPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QURLINFO_H

src/lib/app/mainapplication.cpp

@@ -211,6 +211,7 @@ MainApplication::MainApplication(int &argc, char** argv)
     setApplicationVersion(QupZilla::VERSION);
     setOrganizationDomain("qupzilla");
     QDesktopServices::setUrlHandler("http", this, "addNewTab");
+    QDesktopServices::setUrlHandler("ftp", this, "addNewTab");
 
     checkSettingsDir();
 
@@ -414,6 +415,7 @@ void MainApplication::loadSettings()
 
     // Allows to load files from qrc: scheme in qupzilla: pages
     QWebSecurityOrigin::addLocalScheme("qupzilla");
+    QWebSecurityOrigin::addLocalScheme("ftp");
 
     if (m_isPrivateSession) {
         m_websettings->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);

src/lib/app/qupzilla.cpp

@@ -1524,7 +1524,7 @@ void QupZilla::searchOnPage()
 #ifdef Q_OS_WIN
     if (QtWin::isCompositionEnabled()) {
         applyBlurToMainWindow();
-        search->installEventFilter(this);
+        toolBar->installEventFilter(this);
     }
 #endif
 }

src/lib/downloads/downloaditem.cpp

@@ -25,6 +25,7 @@
 #include "iconprovider.h"
 #include "networkmanager.h"
 #include "qztools.h"
+#include "schemehandlers/ftpschemehandler.h"
 
 #include <QMenu>
 #include <QClipboard>
@@ -53,6 +54,7 @@ DownloadItem::DownloadItem(QListWidgetItem* item, QNetworkReply* reply, const QS
     , m_downloadStopped(false)
     , m_received(0)
     , m_total(0)
+    , m_ftpDownloader(0)
 {
 #ifdef DOWNMANAGER_DEBUG
     qDebug() << __FUNCTION__ << item << reply << path << fileName;
@@ -90,7 +92,18 @@ void DownloadItem::setTotalSize(qint64 total)
 void DownloadItem::startDownloading()
 {
     QUrl locationHeader = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
-    if (locationHeader.isValid()) {
+
+    bool hasFtpUrlInHeader = locationHeader.isValid() && (locationHeader.scheme() == "ftp");
+    if (m_reply->url().scheme() == "ftp" || hasFtpUrlInHeader) {
+        QUrl url = hasFtpUrlInHeader ? locationHeader : m_reply->url();
+        m_reply->abort();
+        m_reply->deleteLater();
+        m_reply = 0;
+
+        startDownloadingFromFtp(url);
+        return;
+    }
+    else if (locationHeader.isValid()) {
         m_reply->abort();
         m_reply->deleteLater();
 
@@ -101,7 +114,7 @@ void DownloadItem::startDownloading()
     connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
     connect(m_reply, SIGNAL(readyRead()), this, SLOT(readyRead()));
     connect(m_reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(downloadProgress(qint64, qint64)));
-    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(error(QNetworkReply::NetworkError)));
+    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(error()));
     connect(m_reply, SIGNAL(metaDataChanged()), this, SLOT(metaDataChanged()));
 
     m_downloading = true;
@@ -111,7 +124,32 @@ void DownloadItem::startDownloading()
 
     if (m_reply->error() != QNetworkReply::NoError) {
         stop(false);
-        error(m_reply->error());
+        error();
+    }
+}
+
+void DownloadItem::startDownloadingFromFtp(const QUrl &url)
+{
+    if (!m_outputFile.isOpen() && !m_outputFile.open(QIODevice::WriteOnly)) {
+        stop(false);
+        ui->downloadInfo->setText(tr("Error: Cannot write to file!"));
+        return;
+    }
+
+    m_ftpDownloader = new FtpDownloader(this);
+    connect(m_ftpDownloader, SIGNAL(finished()), this, SLOT(finished()));
+    connect(m_ftpDownloader, SIGNAL(dataTransferProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64, qint64)));
+    connect(m_ftpDownloader, SIGNAL(errorOccured(QFtp::Error)), this, SLOT(error()));
+    connect(m_ftpDownloader, SIGNAL(ftpAuthenticationRequierd(const QUrl &, QAuthenticator*)), mApp->networkManager(), SLOT(ftpAuthentication(const QUrl &, QAuthenticator*)));
+
+    m_ftpDownloader->download(url, &m_outputFile);
+    m_downloading = true;
+    m_timer.start(1000, this);
+
+    QTimer::singleShot(200, this, SLOT(updateDownload()));
+
+    if (m_ftpDownloader->error() != QNetworkReply::NoError) {
+        error();
     }
 }
 
@@ -141,13 +179,20 @@ void DownloadItem::finished()
     qDebug() << __FUNCTION__ << m_reply;
 #endif
     m_timer.stop();
-    ui->downloadInfo->setText(tr("Done - %1").arg(m_reply->url().host()));
+
+    QString host = m_reply ? m_reply->url().host() : m_ftpDownloader->url().host();
+    ui->downloadInfo->setText(tr("Done - %1").arg(host));
     ui->progressBar->hide();
     ui->button->hide();
     ui->frame->hide();
     m_outputFile.close();
 
+    if (m_reply) {
         m_reply->deleteLater();
+    }
+    else {
+        m_ftpDownloader->deleteLater();
+    }
 
     m_item->setSizeHint(sizeHint());
 #if QT_VERSION == 0x040700 // Workaround
@@ -271,18 +316,23 @@ void DownloadItem::stop(bool askForDeleteFile)
 #ifdef DOWNMANAGER_DEBUG
     qDebug() << __FUNCTION__;
 #endif
-
     if (m_downloadStopped) {
         return;
     }
     m_downloadStopped = true;
-
+    QString host = m_reply ? m_reply->url().host() : m_ftpDownloader->url().host();
     m_openAfterFinish = false;
     m_timer.stop();
+    if (m_reply) {
         m_reply->abort();
+    }
+    else {
+        m_ftpDownloader->abort();
+        m_ftpDownloader->close();
+    }
     QString outputfile = QFileInfo(m_outputFile).absoluteFilePath();
     m_outputFile.close();
-    ui->downloadInfo->setText(tr("Cancelled - %1").arg(m_reply->url().host()));
+    ui->downloadInfo->setText(tr("Cancelled - %1").arg(host));
     ui->progressBar->hide();
     ui->button->hide();
     m_item->setSizeHint(sizeHint());
@@ -395,14 +445,18 @@ void DownloadItem::readyRead()
     m_outputFile.write(m_reply->readAll());
 }
 
-void DownloadItem::error(QNetworkReply::NetworkError error)
+void DownloadItem::error()
 {
 #ifdef DOWNMANAGER_DEBUG
-    qDebug() << __FUNCTION__ << error;
+    qDebug() << __FUNCTION__ << (m_reply ? m_reply->error() : m_ftpDownloader->error());
 #endif
-    if (error != QNetworkReply::NoError) {
+    if (m_reply && m_reply->error() != QNetworkReply::NoError) {
         ui->downloadInfo->setText(tr("Error: ") + m_reply->errorString());
     }
+    else if (m_ftpDownloader && m_ftpDownloader->error() != QFtp::NoError) {
+        ui->downloadInfo->setText(tr("Error: ") + m_ftpDownloader->errorString());
+        stop(false);
+    }
 }
 
 void DownloadItem::updateDownload()
@@ -410,7 +464,9 @@ void DownloadItem::updateDownload()
 #ifdef DOWNMANAGER_DEBUG
     qDebug() << __FUNCTION__ ;
 #endif
-    if (ui->progressBar->maximum() == 0 && m_outputFile.isOpen() && m_reply->isFinished()) {
+    bool downoaderIsFinished = (m_reply && m_reply->isFinished())
+            || (m_ftpDownloader && m_ftpDownloader->isFinished());
+    if (ui->progressBar->maximum() == 0 && m_outputFile.isOpen() && downoaderIsFinished) {
         downloadProgress(0, 0);
         finished();
     }

src/lib/downloads/downloaditem.h

@@ -35,6 +35,7 @@ class DownloadItem;
 class QListWidgetItem;
 
 class DownloadManager;
+class FtpDownloader;
 
 class QT_QUPZILLA_EXPORT DownloadItem : public QWidget
 {
@@ -67,7 +68,7 @@ private slots:
     void openFile();
     void openFolder();
     void readyRead();
-    void error(QNetworkReply::NetworkError);
+    void error();
     void updateDownload();
     void customContextMenuRequested(const QPoint &pos);
     void clear();
@@ -77,6 +78,7 @@ private slots:
 
 private:
     void startDownloading();
+    void startDownloadingFromFtp(const QUrl &url);
 
     void timerEvent(QTimerEvent* event);
     void updateDownloadInfo(double currSpeed, qint64 received, qint64 total);
@@ -85,6 +87,7 @@ private:
 
     QListWidgetItem* m_item;
     QNetworkReply* m_reply;
+    FtpDownloader* m_ftpDownloader;
     QString m_path;
     QString m_fileName;
     QTime* m_downTimer;

src/lib/lib.pro

@@ -9,6 +9,9 @@ TEMPLATE = lib
 
 DEFINES *= QUPZILLA_SHAREDLIBRARY
 
+isEqual(QT_MAJOR_VERSION, 5) {
+    include(3rdparty/qftp.pri)
+}
 include(3rdparty/qtsingleapplication.pri)
 include(../defines.pri)
 include(../../translations/translations.pri)
@@ -200,7 +203,8 @@ SOURCES += \
     tools/html5permissions/html5permissionsmanager.cpp \
     tools/html5permissions/html5permissionsnotification.cpp \
     autofill/pageformcompleter.cpp \
-    autofill/autofill.cpp
+    autofill/autofill.cpp \
+    network/schemehandlers/ftpschemehandler.cpp
 
 HEADERS  += \
     webview/tabpreview.h \
@@ -363,7 +367,8 @@ HEADERS  += \
     tools/html5permissions/html5permissionsmanager.h \
     tools/html5permissions/html5permissionsnotification.h \
     autofill/pageformcompleter.h \
-    autofill/autofill.h
+    autofill/autofill.h \
+    network/schemehandlers/ftpschemehandler.h
 
 FORMS    += \
     preferences/autofillmanager.ui \

src/lib/network/networkmanager.cpp

@@ -32,6 +32,7 @@
 #include "schemehandlers/adblockschemehandler.h"
 #include "schemehandlers/qupzillaschemehandler.h"
 #include "schemehandlers/fileschemehandler.h"
+#include "schemehandlers/ftpschemehandler.h"
 
 #include <QFormLayout>
 #include <QLabel>
@@ -76,6 +77,7 @@ NetworkManager::NetworkManager(QupZilla* mainClass, QObject* parent)
     m_schemeHandlers["qupzilla"] = new QupZillaSchemeHandler();
     m_schemeHandlers["abp"] = new AdBlockSchemeHandler();
     m_schemeHandlers["file"] = new FileSchemeHandler();
+    m_schemeHandlers["ftp"] = new FtpSchemeHandler();
 
     m_proxyFactory = new NetworkProxyFactory();
     setProxyFactory(m_proxyFactory);
@@ -306,6 +308,92 @@ void NetworkManager::authentication(QNetworkReply* reply, QAuthenticator* auth)
     }
 }
 
+void NetworkManager::ftpAuthentication(const QUrl &url, QAuthenticator* auth)
+{
+    QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
+    FtpDownloader* ftp = 0;
+    if (!reply) {
+        ftp = qobject_cast<FtpDownloader*>(sender());
+    }
+
+    if (!auth) {
+        auth = FTP_AUTHENTICATOR(url);
+    }
+
+    QString lastUser = auth->user();
+    QString lastPass = auth->password();
+
+    if (lastUser.isEmpty() && lastPass.isEmpty()) {
+        // The auth is empty but url contains user's info
+        lastUser = url.userName();
+        lastPass = url.password();
+    }
+
+    QDialog* dialog = new QDialog(mApp->getWindow());
+    dialog->setWindowTitle(tr("FTP authorization required"));
+
+    QFormLayout* formLa = new QFormLayout(dialog);
+
+    QLabel* label = new QLabel(dialog);
+    QLabel* userLab = new QLabel(dialog);
+    QLabel* passLab = new QLabel(dialog);
+    userLab->setText(tr("Username: "));
+    passLab->setText(tr("Password: "));
+
+    QCheckBox* anonymousLogin = new QCheckBox(dialog);
+    QLineEdit* user = new QLineEdit(lastUser, dialog);
+    QLineEdit* pass = new QLineEdit(lastPass, dialog);
+    anonymousLogin->setText(tr("Login anonymously"));
+    connect(anonymousLogin, SIGNAL(toggled(bool)), user, SLOT(setDisabled(bool)));
+    connect(anonymousLogin, SIGNAL(toggled(bool)), pass, SLOT(setDisabled(bool)));
+    anonymousLogin->setChecked(lastUser.isEmpty() && lastPass.isEmpty());
+    pass->setEchoMode(QLineEdit::Password);
+
+    QDialogButtonBox* box = new QDialogButtonBox(dialog);
+    box->addButton(QDialogButtonBox::Ok);
+    box->addButton(QDialogButtonBox::Cancel);
+    connect(box, SIGNAL(rejected()), dialog, SLOT(reject()));
+    connect(box, SIGNAL(accepted()), dialog, SLOT(accept()));
+
+    int port = 21;
+    if (url.port() != -1) {
+        port = url.port();
+    }
+
+    label->setText(tr("A username and password are being requested by %1:%2.")
+                   .arg(url.host(), QString::number(port)));
+
+    formLa->addRow(label);
+
+    formLa->addRow(anonymousLogin);
+    formLa->addRow(userLab, user);
+    formLa->addRow(passLab, pass);
+
+    formLa->addWidget(box);
+
+    if (dialog->exec() != QDialog::Accepted) {
+        if (reply) {
+            reply->abort();
+            // is it safe?
+            reply->deleteLater();
+        }
+        else if (ftp) {
+            ftp->abort();
+            ftp->close();
+        }
+        return;
+    }
+
+    if (!anonymousLogin->isChecked()) {
+        auth->setUser(user->text());
+        auth->setPassword(pass->text());
+    }
+    else {
+        auth->setUser(QString());
+        auth->setPassword(QString());
+    }
+}
+
 void NetworkManager::proxyAuthentication(const QNetworkProxy &proxy, QAuthenticator* auth)
 {
     QDialog* dialog = new QDialog(p_QupZilla);
@@ -357,6 +445,16 @@ QNetworkReply* NetworkManager::createRequest(QNetworkAccessManager::Operation op
     if (m_schemeHandlers.contains(req.url().scheme())) {
         reply = m_schemeHandlers[req.url().scheme()]->createRequest(op, req, outgoingData);
         if (reply) {
+            if (req.url().scheme() == "ftp") {
+                QVariant v = req.attribute((QNetworkRequest::Attribute)(QNetworkRequest::User + 100));
+                WebPage* webPage = static_cast<WebPage*>(v.value<void*>());
+                if (webPage) {
+                    connect(reply, SIGNAL(downloadRequest(const QNetworkRequest &)),
+                            webPage, SLOT(downloadRequested(const QNetworkRequest &)));
+                }
+                connect(reply, SIGNAL(ftpAuthenticationRequierd(const QUrl &, QAuthenticator*)),
+                        this, SLOT(ftpAuthentication(const QUrl &, QAuthenticator*)));
+            }
             return reply;
         }
     }

src/lib/network/networkmanager.h

@@ -63,6 +63,7 @@ signals:
 
 private slots:
     void authentication(QNetworkReply* reply, QAuthenticator* auth);
+    void ftpAuthentication(const QUrl &url, QAuthenticator* auth);
     void proxyAuthentication(const QNetworkProxy &proxy, QAuthenticator* auth);
     void sslError(QNetworkReply* reply, QList<QSslError> errors);
     void setSSLConfiguration(QNetworkReply* reply);

src/lib/network/schemehandlers/ftpschemehandler.cpp

@@ -0,0 +1,431 @@
+/* ============================================================
+* QupZilla - WebKit based browser
+* Copyright (C) 2010-2013  David Rosca <nowrep@gmail.com>
+* Copyright (C) 2013  S. Razi Alavizadeh <s.r.alavizadeh@gmail.com>
+* Some codes and ideas are from webftpclient example by Qt Lab
+*
+* 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 3 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, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#include "ftpschemehandler.h"
+#include "qztools.h"
+#include "iconprovider.h"
+#include "mainapplication.h"
+
+#include <QFileIconProvider>
+#include <QTextStream>
+#include <QDateTime>
+#include <QDir>
+
+
+QHash<QString, QAuthenticator*> FtpSchemeHandler::m_ftpAuthenticatorsCache = QHash<QString, QAuthenticator*>();
+
+FtpSchemeHandler::FtpSchemeHandler()
+{
+}
+
+QNetworkReply* FtpSchemeHandler::createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice* outgoingData)
+{
+    Q_UNUSED(outgoingData)
+
+    if (op != QNetworkAccessManager::GetOperation) {
+        return 0;
+    }
+
+    QNetworkReply* reply = new FtpSchemeReply(request);
+    return reply;
+}
+
+QAuthenticator* FtpSchemeHandler::ftpAuthenticator(const QUrl &url)
+{
+    QString key = url.host();
+    if (key.isEmpty()) {
+        key = url.toString();
+    }
+    if (!m_ftpAuthenticatorsCache.contains(key) || !m_ftpAuthenticatorsCache.value(key, 0)) {
+        QAuthenticator* auth = new QAuthenticator();
+        auth->setUser(url.userName());
+        auth->setPassword(url.password());
+        m_ftpAuthenticatorsCache.insert(key, auth);
+    }
+
+    return m_ftpAuthenticatorsCache.value(key);
+}
+
+FtpSchemeReply::FtpSchemeReply(const QNetworkRequest &request, QObject *parent)
+    : QNetworkReply(parent)
+    , m_ftpLoginId(-1)
+    , m_port(21)
+    , m_anonymousLoginChecked(false)
+    , m_request(request)
+{
+    m_ftp = new QFtp(this);
+    connect(m_ftp, SIGNAL(listInfo(QUrlInfo)), this, SLOT(processListInfo(QUrlInfo)));
+    connect(m_ftp, SIGNAL(readyRead()), this, SLOT(processData()));
+    connect(m_ftp, SIGNAL(commandFinished(int, bool)), this, SLOT(processCommand(int, bool)));
+    connect(m_ftp, SIGNAL(dataTransferProgress(qint64,qint64)), this, SIGNAL(downloadProgress(qint64,qint64)));
+
+    m_buffer.open(QIODevice::ReadWrite);
+
+    if (request.url().port() != -1) {
+        m_port = request.url().port();
+    }
+
+    setUrl(request.url());
+    m_ftp->connectToHost(request.url().host(), m_port);
+}
+
+void FtpSchemeReply::processCommand(int id, bool err)
+{
+    if (err) {
+        if (m_ftpLoginId == id) {
+            if (!m_anonymousLoginChecked) {
+                m_anonymousLoginChecked = true;
+                FTP_AUTHENTICATOR(url())->setUser(QString());
+                FTP_AUTHENTICATOR(url())->setPassword(QString());
+                m_ftpLoginId = m_ftp->login();
+                return;
+            }
+
+            emit ftpAuthenticationRequierd(url(), FTP_AUTHENTICATOR(url()));
+            m_ftpLoginId = m_ftp->login(FTP_AUTHENTICATOR(url())->user(), FTP_AUTHENTICATOR(url())->password());
+            return;
+        }
+        setError(ContentNotFoundError, tr("Unknown command"));
+        emit error(ContentNotFoundError);
+        emit finished();
+        return;
+    }
+
+    switch (m_ftp->currentCommand()) {
+    case QFtp::ConnectToHost:
+        if (!m_anonymousLoginChecked) {
+            m_anonymousLoginChecked = FTP_AUTHENTICATOR(url())->user().isEmpty()
+                    && FTP_AUTHENTICATOR(url())->password().isEmpty();
+        }
+        m_ftpLoginId = m_ftp->login(FTP_AUTHENTICATOR(url())->user(),
+                                  FTP_AUTHENTICATOR(url())->password());
+        break;
+
+    case QFtp::Login:
+        m_ftp->list(url().path());
+        break;
+
+    case QFtp::List:
+        loadPage();
+        break;
+
+    case QFtp::Get:
+        setContent();
+        break;
+
+    default:
+        ;
+    }
+}
+
+void FtpSchemeReply::processListInfo(const QUrlInfo &urlInfo)
+{
+    m_items.append(urlInfo);
+}
+
+void FtpSchemeReply::processData()
+{
+    open(ReadOnly | Unbuffered);
+    QTextStream stream(&m_buffer);
+
+    stream << m_ftp->readAll();
+
+    stream.flush();
+    m_buffer.reset();
+
+    setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.bytesAvailable());
+    emit metaDataChanged();
+}
+
+void FtpSchemeReply::setContent()
+{
+    open(ReadOnly | Unbuffered);
+    setHeader(QNetworkRequest::ContentLengthHeader, QVariant(m_buffer.size()));
+    emit readyRead();
+    emit finished();
+    m_ftp->close();
+}
+
+void FtpSchemeReply::abort()
+{
+    setError(QNetworkReply::OperationCanceledError, tr("Canceled!"));
+    emit error(QNetworkReply::OperationCanceledError);
+    emit finished();
+    m_ftp->close();
+}
+
+qint64 FtpSchemeReply::bytesAvailable() const
+{
+    return m_buffer.bytesAvailable() + QNetworkReply::bytesAvailable();
+}
+
+bool FtpSchemeReply::isSequential() const
+{
+    return true;
+}
+
+qint64 FtpSchemeReply::readData(char *data, qint64 maxSize)
+{
+    return m_buffer.read(data, maxSize);
+}
+
+void FtpSchemeReply::loadPage()
+{
+    if (m_items.size() == 1 && m_items.at(0).isFile()) {
+        QUrlInfo item = m_items.at(0);
+        if (url().path() == url().resolved(QUrl(item.name())).path()) {
+            setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.bytesAvailable());
+            // the following code can be used to open known contents
+            // and download unsupported contents, but there is some problem
+            // for example: it loads PDFs as text file!
+            // m_ftp->get(url().path());
+
+            emit downloadRequest(m_request);
+            abort();
+            return;
+        }
+    }
+
+    open(ReadOnly | Unbuffered);
+    QTextStream stream(&m_buffer);
+    stream.setCodec("UTF-8");
+
+    stream << loadDirectory();
+
+    stream.flush();
+    m_buffer.reset();
+
+    setHeader(QNetworkRequest::ContentTypeHeader, QByteArray("text/html"));
+    setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.bytesAvailable());
+    setAttribute(QNetworkRequest::HttpStatusCodeAttribute, 200);
+    setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, QByteArray("Ok"));
+    emit metaDataChanged();
+
+    emit readyRead();
+    emit finished();
+    m_ftp->close();
+}
+
+QString FtpSchemeReply::loadDirectory()
+{
+    QUrl u = url();
+    if (!u.path().endsWith("/"))
+        u.setPath(u.path() + "/");
+
+    QString base_path = u.path();
+    const QDir &dir = QDir(base_path);
+
+    QUrl parent = u.resolved(QUrl(".."));
+
+    static QString sPage;
+
+    if (sPage.isEmpty()) {
+        sPage = QzTools::readAllFileContents(":/html/dirlist.html");
+        sPage.replace(QLatin1String("%BOX-BORDER%"), QLatin1String("qrc:html/box-border.png"));
+        sPage.replace(QLatin1String("%UP-IMG%"), QzTools::pixmapToByteArray(qIconProvider->standardIcon(QStyle::SP_FileDialogToParent).pixmap(22)));
+        sPage.replace(QLatin1String("%UP-DIR-TEXT%"), tr("Up to higher level directory"));
+        sPage.replace(QLatin1String("%SHOW-HIDDEN-TEXT%"), tr("Show hidden files"));
+        sPage.replace(QLatin1String("%NAME%"), tr("Name"));
+        sPage.replace(QLatin1String("%SIZE%"), tr("Size"));
+        sPage.replace(QLatin1String("%MODIFIED%"), tr("Last modified"));
+        sPage = QzTools::applyDirectionToPage(sPage);
+    }
+
+    QString page = sPage;
+    page.replace(QLatin1String("%TITLE%"), tr("Index for %1").arg(url().toString()));
+
+    QString upDirDisplay = QLatin1String("none");
+    QString tBody;
+
+    if (!dir.isRoot()) {
+        upDirDisplay = QLatin1String("inline");
+        page.replace(QLatin1String("%UP-DIR-LINK%"), parent.toEncoded());
+    }
+
+    int lastIndex = m_items.size();
+    for (int i = 0; i < lastIndex; ++i) {
+        if (m_items.at(i).isFile()) {
+            m_items.move(i, m_items.size()-1);
+            --lastIndex;
+            --i;
+        }
+    }
+
+    foreach(const QUrlInfo &item, m_items) {
+
+        if (item.name() == QLatin1String(".") || item.name() == QLatin1String("..")) {
+            continue;
+        }
+
+        QString line = QLatin1String("<tr");
+        QUrl itemUrl = u.resolved(QUrl(item.name()));
+        QString itemPath = itemUrl.path();
+        if (itemPath.endsWith("/")) {
+            itemPath.remove(itemPath.size()-1, 1);
+        }
+
+        line += QLatin1String("><td class=\"td-name\" style=\"background-image:url(data:image/png;base64,");
+        line += QzTools::pixmapToByteArray(item.isFile()
+                                     ? QzTools::iconFromFileName(itemPath).pixmap(16)
+                                     : QFileIconProvider().icon(QFileIconProvider::Folder).pixmap(16));
+        line += QLatin1String(");\">");
+        line += QLatin1String("<a href=\"");
+        line += itemUrl.toEncoded();
+        line += QLatin1String("\">");
+        line += item.name();
+        line += QLatin1String("</a></td><td class=\"td-size\">");
+        line += item.isDir() ? QString() : QzTools::fileSizeToString(item.size());
+        line += QLatin1String("</td><td>");
+        line += item.lastModified().toString("dd.MM.yyyy");
+        line += QLatin1String("</td><td>");
+        line += item.lastModified().toString("hh:mm:ss");
+        line += QLatin1String("</td></tr>\n");
+
+        tBody.append(line);
+    }
+
+    if (tBody.isEmpty()) {
+        tBody = QString("<tr><td colspan='4'>%1</td></tr>").arg(tr("Folder is empty."));
+    }
+
+    page.replace(QLatin1String("%T-BODY%"), tBody);
+    page.replace(QLatin1String("%UP-DIR-DISPLAY%"), upDirDisplay);
+    page.replace(QLatin1String("%SHOW-HIDDEN-DISPLAY%"), QLatin1String("none"));
+
+    return page;
+}
+
+
+FtpDownloader::FtpDownloader(QObject *parent)
+    : QFtp(parent)
+    , m_ftpLoginId(-1)
+    , m_anonymousLoginChecked(false)
+    , m_url(QUrl())
+    , m_dev(0)
+    , m_lastError(QFtp::NoError)
+    , m_isFinished(false)
+{
+    connect(this, SIGNAL(commandFinished(int,bool)), this, SLOT(processCommand(int,bool)));
+    connect(this, SIGNAL(done(bool)), this, SLOT(onDone(bool)));
+}
+
+void FtpDownloader::download(const QUrl &url, QIODevice *dev)
+{
+    m_url = url;
+    m_dev = dev;
+    QString server = m_url.host();
+    if (server.isEmpty()) {
+        server = m_url.toString();
+    }
+    int port = 21;
+    if (m_url.port() != -1) {
+        port = m_url.port();
+    }
+
+    connectToHost(server, port);
+}
+
+void FtpDownloader::setError(QFtp::Error err, const QString &errStr)
+{
+     m_lastError = err;
+     m_lastErrorString = errStr;
+}
+
+void FtpDownloader::abort()
+{
+    setError(QFtp::UnknownError, tr("Canceled!"));
+    QFtp::abort();
+}
+
+QFtp::Error FtpDownloader::error()
+{
+    if (m_lastError != QFtp::NoError && QFtp::error() == QFtp::NoError) {
+        return m_lastError;
+    }
+    else {
+        return QFtp::error();
+    }
+}
+
+QString FtpDownloader::errorString() const
+{
+    if (!m_lastErrorString.isEmpty()
+            && m_lastError != QFtp::NoError
+            && QFtp::error() == QFtp::NoError) {
+        return m_lastErrorString;
+    }
+    else {
+        return QFtp::errorString();
+    }
+}
+
+void FtpDownloader::processCommand(int id, bool err)
+{
+    if (!m_url.isValid() || m_url.isEmpty() || !m_dev) {
+        abort();
+        return;
+    }
+
+    if (err) {
+        if (m_ftpLoginId == id) {
+            if (!m_anonymousLoginChecked) {
+                m_anonymousLoginChecked = true;
+                FTP_AUTHENTICATOR(m_url)->setUser(QString());
+                FTP_AUTHENTICATOR(m_url)->setPassword(QString());
+                m_ftpLoginId = login();
+                return;
+            }
+            emit ftpAuthenticationRequierd(m_url, FTP_AUTHENTICATOR(m_url));
+            m_ftpLoginId = login(FTP_AUTHENTICATOR(m_url)->user(), FTP_AUTHENTICATOR(m_url)->password());
+            return;
+        }
+        abort();
+        return;
+    }
+
+    switch (currentCommand()) {
+    case QFtp::ConnectToHost:
+        if (!m_anonymousLoginChecked) {
+            m_anonymousLoginChecked = FTP_AUTHENTICATOR(m_url)->user().isEmpty()
+                    && FTP_AUTHENTICATOR(m_url)->password().isEmpty();
+        }
+        m_ftpLoginId = login(FTP_AUTHENTICATOR(m_url)->user(), FTP_AUTHENTICATOR(m_url)->password());
+        break;
+
+    case QFtp::Login:
+        get(m_url.path(), m_dev);
+        break;
+    default:
+        ;
+    }
+}
+
+void FtpDownloader::onDone(bool err)
+{
+    disconnect(this, SIGNAL(done(bool)), this, SLOT(onDone(bool)));
+    close();
+    m_ftpLoginId = -1;
+    if (err || m_lastError != QFtp::NoError) {
+        emit errorOccured(error());
+    }
+    else {
+        m_isFinished = true;
+        emit finished();
+    }
+}

src/lib/network/schemehandlers/ftpschemehandler.h

@@ -0,0 +1,122 @@
+/* ============================================================
+* QupZilla - WebKit based browser
+* Copyright (C) 2010-2013  David Rosca <nowrep@gmail.com>
+* Copyright (C) 2013  S. Razi Alavizadeh <s.r.alavizadeh@gmail.com>
+* Some codes and ideas are from webftpclient example by Qt Lab
+*
+* 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 3 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, see <http://www.gnu.org/licenses/>.
+* ============================================================ */
+#ifndef FTPSCHEMEHANDLER_H
+#define FTPSCHEMEHANDLER_H
+
+#include <QAuthenticator>
+#include <QNetworkReply>
+#include <QBuffer>
+
+#if QT_VERSION >= 0x050000
+#include "qftp.h"
+#include "qurlinfo.h"
+#else
+#include <QFTP>
+#include <QUrlInfo>
+#endif
+
+#include "schemehandler.h"
+#include "qz_namespace.h"
+
+#define FTP_AUTHENTICATOR FtpSchemeHandler::ftpAuthenticator
+
+class QT_QUPZILLA_EXPORT FtpSchemeHandler : public SchemeHandler
+{
+public:
+    explicit FtpSchemeHandler();
+
+    QNetworkReply* createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice* outgoingData);
+
+    static QAuthenticator* ftpAuthenticator(const QUrl &url);
+
+private:
+    static QHash<QString, QAuthenticator*> m_ftpAuthenticatorsCache;
+};
+
+class QT_QUPZILLA_EXPORT FtpSchemeReply : public QNetworkReply
+{
+    Q_OBJECT
+
+public:
+    FtpSchemeReply(const QNetworkRequest &request, QObject* parent = 0);
+    void abort();
+    qint64 bytesAvailable() const;
+    bool isSequential() const;
+
+protected:
+    qint64 readData(char *data, qint64 maxSize);
+
+private slots:
+    void processCommand(int id, bool err);
+    void processListInfo(const QUrlInfo &urlInfo);
+    void processData();
+    QString loadDirectory();
+    void loadPage();
+
+private:
+    void setContent();
+    QFtp* m_ftp;
+    QList<QUrlInfo> m_items;
+    int m_ftpLoginId;
+    int m_port;
+    QBuffer m_buffer;
+    bool m_anonymousLoginChecked;
+    QNetworkRequest m_request;
+
+signals:
+    void ftpAuthenticationRequierd(const QUrl &, QAuthenticator*);
+    void downloadRequest(const QNetworkRequest &);
+};
+
+class QT_QUPZILLA_EXPORT FtpDownloader : public QFtp
+{
+    Q_OBJECT
+
+public:
+    FtpDownloader(QObject* parent = 0);
+
+    void download(const QUrl &url, QIODevice* dev);
+    inline bool isFinished() {return m_isFinished;}
+    inline QUrl url() const {return m_url;}
+    inline QIODevice* device() const {return m_dev;}
+    void setError(QFtp::Error err, const QString &errStr);
+    void abort();
+    QFtp::Error error();
+    QString errorString() const;
+
+private slots:
+    void processCommand(int id, bool err);
+    void onDone(bool err);
+
+private:
+    int m_ftpLoginId;
+    bool m_anonymousLoginChecked;
+    bool m_isFinished;
+    QFtp::Error m_lastError;
+    QString m_lastErrorString;
+    QUrl m_url;
+    QIODevice* m_dev;
+
+signals:
+    void ftpAuthenticationRequierd(const QUrl &, QAuthenticator*);
+    void finished();
+    void errorOccured(QFtp::Error);
+};
+#endif // FTPSCHEMEHANDLER_H

src/lib/tools/qztools.cpp

@@ -31,6 +31,8 @@
 #include <QDesktopWidget>
 #include <QUrl>
 #include <QIcon>
+#include <QFileIconProvider>
+#include <QTemporaryFile>
 
 #if QT_VERSION >= 0x050000
 #include <QUrlQuery>
@@ -426,3 +428,12 @@ QString QzTools::buildSystem()
     return "Haiku";
 #endif
 }
+
+QIcon QzTools::iconFromFileName(const QString &fileName)
+{
+    QFileInfo tempInfo(fileName);
+    QTemporaryFile tempFile(QDir::tempPath()+"/XXXXXX." + tempInfo.suffix());
+    tempFile.open();
+    tempInfo.setFile(tempFile.fileName());
+    return QFileIconProvider().icon(tempInfo);
+}

src/lib/tools/qztools.h

@@ -57,6 +57,7 @@ QPixmap QT_QUPZILLA_EXPORT createPixmapForSite(const QIcon &icon, const QString
 QString QT_QUPZILLA_EXPORT applyDirectionToPage(QString &pageContents);
 
 QString QT_QUPZILLA_EXPORT buildSystem();
+QIcon QT_QUPZILLA_EXPORT iconFromFileName(const QString &fileName);
 
 // Qt5 migration help functions
 bool QT_QUPZILLA_EXPORT isCertificateValid(const QSslCertificate &cert);

src/lib/webview/webpage.cpp

@@ -501,7 +501,7 @@ bool WebPage::acceptNavigationRequest(QWebFrame* frame, const QNetworkRequest &r
 
     const QString &scheme = request.url().scheme();
 
-    if (scheme == QLatin1String("mailto") || scheme == QLatin1String("ftp")) {
+    if (scheme == QLatin1String("mailto")) {
         desktopServicesOpen(request.url());
         return false;
     }