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tdenetwork/kpf/src/PropertiesDialogPlugin.cpp

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/*
KPF - Public fileserver for KDE
Copyright 2001 Rik Hemsley (rikkus) <rik@kde.org>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <tqlayout.h>
#include <tqcheckbox.h>
#include <tqspinbox.h>
#include <tqlabel.h>
#include <tqframe.h>
#include <tqwhatsthis.h>
#include <tqpushbutton.h>
#include <tqwidgetstack.h>
#include <tqtimer.h>
#include <tqdir.h>
#include <tqlineedit.h>
#include <tdeapplication.h>
#include <tdeglobal.h>
#include <dcopclient.h>
#include <kdialogbase.h>
#include <tdemessagebox.h>
#include <kurl.h>
#include <tdeconfig.h>
#include <tdelocale.h>
#include <kseparator.h>
#include <kgenericfactory.h>
#include "Defines.h"
#include "Defaults.h"
#include "PropertiesDialogPlugin.h"
#include "StartingKPFDialog.h"
#include "WebServerManager_stub.h"
#include "WebServer_stub.h"
#include "Help.h"
#include <dnssd/servicebrowser.h>
namespace KPF
{
class ServerState
{
public:
ServerState()
: shared (false),
listenPort (Config::DefaultListenPort),
bandwidthLimit (Config::DefaultBandwidthLimit),
// connectionLimit (Config::DefaultConnectionLimit),
followSymlinks (Config::DefaultFollowSymlinks)
{
}
bool operator == (const ServerState & other) const
{
return
(
other.shared == shared
&&
other.listenPort == listenPort
&&
other.bandwidthLimit == bandwidthLimit
&&
// other.connectionLimit == connectionLimit
// &&
other.followSymlinks == followSymlinks
);
}
bool operator != (const ServerState & other) const
{
return
(
other.shared != shared
||
other.listenPort != listenPort
||
other.bandwidthLimit != bandwidthLimit
||
// other.connectionLimit != connectionLimit
// ||
other.followSymlinks != followSymlinks
);
}
bool shared;
uint listenPort;
uint bandwidthLimit;
// uint connectionLimit;
TQString serverName;
bool followSymlinks;
};
class PropertiesDialogPlugin::Private
{
public:
Private()
: l_listenPort (0L),
l_bandwidthLimit (0L),
// l_connectionLimit (0L),
sb_listenPort (0L),
sb_bandwidthLimit (0L),
// sb_connectionLimit (0L),
le_serverName (0L),
cb_followSymlinks (0L),
cb_share (0L),
stack (0L),
initWidget (0L),
configWidget (0L),
webServerManagerInterface (0L),
kpfRunning (false)
{
}
TQLabel * l_listenPort;
TQLabel * l_bandwidthLimit;
// TQLabel * l_connectionLimit;
TQLabel * l_serverName;
TQLabel * l_kpfStatus;
TQSpinBox * sb_listenPort;
TQSpinBox * sb_bandwidthLimit;
// TQSpinBox * sb_connectionLimit;
TQLineEdit * le_serverName;
TQCheckBox * cb_followSymlinks;
TQCheckBox * cb_share;
TQPushButton * pb_startKPF;
TQWidgetStack * stack;
TQWidget * initWidget;
TQWidget * configWidget;
WebServerManager_stub * webServerManagerInterface;
bool kpfRunning;
DCOPRef webServerRef;
KURL url;
ServerState currentState;
ServerState wantedState;
};
PropertiesDialogPlugin::PropertiesDialogPlugin(KPropertiesDialog * dialog,
const char *,
const TQStringList &)
: KPropsDlgPlugin(dialog)
{
d = new Private;
d->webServerManagerInterface =
new WebServerManager_stub("kpf", "WebServerManager");
d->url = dialog->kurl();
if (
d->url == TQDir::homeDirPath()
|| d->url == "file:" + TQDir::homeDirPath()
)
{
// Don't even show ourselves if it's the home dir
return;
}
TQWidget * widget = dialog->addPage(i18n("&Sharing"));
d->stack = new TQWidgetStack(widget);
TQVBoxLayout * stackLayout = new TQVBoxLayout(widget);
stackLayout->addWidget(d->stack);
d->initWidget = createInitWidget(d->stack);
d->configWidget = createConfigWidget(d->stack);
d->stack->addWidget(d->initWidget, 0);
d->stack->addWidget(d->configWidget, 1);
kapp->dcopClient()->setNotifications(true);
connect
(
kapp->dcopClient(),
TQ_SIGNAL(applicationRegistered(const TQCString &)),
TQ_SLOT(slotApplicationRegistered(const TQCString &))
);
connect
(
kapp->dcopClient(),
TQ_SIGNAL(applicationRemoved(const TQCString &)),
TQ_SLOT(slotApplicationUnregistered(const TQCString &))
);
d->kpfRunning = kapp->dcopClient()->isApplicationRegistered("kpf");
if (!d->kpfRunning)
{
d->stack->raiseWidget(d->initWidget);
}
else
{
getServerRef();
updateGUIFromCurrentState();
d->stack->raiseWidget(d->configWidget);
}
}
PropertiesDialogPlugin::~PropertiesDialogPlugin()
{
delete d->webServerManagerInterface;
d->webServerManagerInterface = 0;
delete d;
d = 0;
}
void
PropertiesDialogPlugin::slotSharingToggled(bool b)
{
if (b)
{
if (!userAcceptsWarning())
{
// Avoid loop.
d->cb_share->blockSignals(true);
d->cb_share->setChecked(false);
d->cb_share->blockSignals(false);
b = false;
}
}
setControlsEnabled(b);
}
void
PropertiesDialogPlugin::setControlsEnabled(bool b)
{
bool canPublish = b && DNSSD::ServiceBrowser::isAvailable() == DNSSD::ServiceBrowser::Working;
d->l_serverName->setEnabled(canPublish);
d->l_listenPort ->setEnabled(b);
d->l_bandwidthLimit ->setEnabled(b);
// d->l_connectionLimit ->setEnabled(b);
d->l_serverName ->setEnabled(canPublish);
d->sb_listenPort ->setEnabled(b);
d->sb_bandwidthLimit ->setEnabled(b);
// d->sb_connectionLimit ->setEnabled(b);
d->le_serverName ->setEnabled(canPublish);
d->cb_followSymlinks ->setEnabled(b);
}
TQWidget *
PropertiesDialogPlugin::createInitWidget(TQWidget * parent)
{
TQWidget * w = new TQWidget(parent);
TQLabel * about =
new TQLabel
(
i18n
(
"<p>To share files via the web, you need to be"
" running an 'applet' in your TDE panel named"
" kpf. This 'applet' is a small program that"
" provides public file sharing capabilities.</p>"
),
w
);
d->pb_startKPF
= new TQPushButton(i18n("Start Applet"), w);
TQVBoxLayout * l = new TQVBoxLayout(w);
l->addWidget(about);
d->l_kpfStatus =
new TQLabel(i18n("kpf applet status: <strong>not running</strong>"), w);
l->addWidget(d->l_kpfStatus);
TQHBoxLayout * l2 = new TQHBoxLayout(l);
l2->addStretch(1);
l2->addWidget(d->pb_startKPF);
l->addStretch(1);
connect(d->pb_startKPF, TQ_SIGNAL(clicked()), TQ_SLOT(slotStartKPF()));
return w;
}
TQWidget *
PropertiesDialogPlugin::createConfigWidget(TQWidget * parent)
{
TQWidget * w = new TQWidget(parent);
d->cb_share =
new TQCheckBox(i18n("Share this directory on the &Web"), w);
d->l_listenPort = new TQLabel(i18n("&Listen port:"), w);
d->l_bandwidthLimit = new TQLabel(i18n("&Bandwidth limit:"), w);
// d->l_connectionLimit = new TQLabel(i18n("Connection &limit"), w);
d->l_serverName = new TQLabel(i18n("&Server name:"), w);
bool canPublish = DNSSD::ServiceBrowser::isAvailable() == DNSSD::ServiceBrowser::Working;
d->l_serverName->setEnabled(canPublish);
d->sb_listenPort = new TQSpinBox(1000, 999999, 1, w);
d->sb_bandwidthLimit = new TQSpinBox(1, 999999, 1, w);
// d->sb_connectionLimit = new TQSpinBox(1, 9999, 1, w);
d->le_serverName = new TQLineEdit( w);
d->le_serverName->setEnabled(canPublish);
d->cb_followSymlinks =
new TQCheckBox(i18n("&Follow symbolic links"), w);
d->l_listenPort ->setBuddy(d->sb_listenPort);
d->l_serverName ->setBuddy(d->le_serverName);
d->l_bandwidthLimit ->setBuddy(d->sb_bandwidthLimit);
// d->l_connectionLimit ->setBuddy(d->sb_connectionLimit);
d->sb_listenPort ->setValue(Config::DefaultListenPort);
d->sb_bandwidthLimit ->setValue(Config::DefaultBandwidthLimit);
d->sb_bandwidthLimit ->setSuffix(i18n("kB/s"));
// d->sb_connectionLimit ->setValue(Config::DefaultConnectionLimit);
d->cb_followSymlinks ->setChecked(Config::DefaultFollowSymlinks);
TQVBoxLayout * l0 =
new TQVBoxLayout(w, KDialog::marginHint(), KDialog::spacingHint());
l0->addWidget(d->cb_share);
l0->addWidget(new KSeparator(TQFrame::HLine, w));
TQGridLayout * l2 = new TQGridLayout(l0);
l2->addWidget(d->l_listenPort, 0, 0);
l2->addWidget(d->sb_listenPort, 0, 1);
l2->addWidget(d->l_bandwidthLimit, 1, 0);
l2->addWidget(d->sb_bandwidthLimit, 1, 1);
// l2->addWidget(d->l_connectionLimit, 2, 0);
// l2->addWidget(d->sb_connectionLimit, 2, 1);
l2->addWidget(d->l_serverName, 2, 0);
l2->addWidget(d->le_serverName, 2, 1);
l0->addWidget(d->cb_followSymlinks);
l0->addStretch(1);
TQString shareHelp =
i18n
(
"<p>"
"Setting this option makes all files in this directory and"
" any subdirectories available for reading to anyone"
" who wishes to view them."
"</p>"
"<p>"
"To view your files, a web browser or similar program"
" may be used."
"</p>"
"<p>"
"<strong>Warning!</strong> Before sharing a directory,"
" you should be sure that it does not contain sensitive"
" information, such as passwords, company secrets, your"
" addressbook, etc."
"</p>"
"<p>"
"Note that you cannot share your home directory"
" (%1)"
"</p>"
)
.arg(TQDir::homeDirPath());
TQString listenPortHelp =
i18n
(
"<p>"
"Specify the network `port' on which the server should"
" listen for connections."
"</p>"
);
TQString bandwidthLimitHelp =
i18n
(
"<p>"
"Specify the maximum amount of data (in kilobytes) that will be"
" sent out per second."
"</p>"
"<p>"
"This allows you to keep some bandwidth for yourself instead"
" of allowing connections with kpf to hog your connection."
"</p>"
);
TQString connectionLimitHelp =
i18n
(
"<p>"
"Specify the maximum number of connections allowed at"
" any one time."
"</p>"
);
TQString followSymlinksHelp =
i18n
(
"<p>"
"Allow serving of files which have a symbolic link in"
" the path from / to the file, or are a symbolic link"
" themselves."
"</p>"
"<p>"
"<strong>Warning!</strong> This could be a security"
" risk. Use only if you understand the issues involved."
"</p>"
);
TQString serverNameHelp = KPF::HelpText::getServerNameHelp();
TQWhatsThis::add(d->cb_share, shareHelp);
TQWhatsThis::add(d->l_listenPort, listenPortHelp);
TQWhatsThis::add(d->sb_listenPort, listenPortHelp);
TQWhatsThis::add(d->l_bandwidthLimit, bandwidthLimitHelp);
TQWhatsThis::add(d->sb_bandwidthLimit, bandwidthLimitHelp);
// TQWhatsThis::add(d->l_connectionLimit, connectionLimitHelp);
// TQWhatsThis::add(d->sb_connectionLimit, connectionLimitHelp);
TQWhatsThis::add(d->l_serverName, serverNameHelp);
TQWhatsThis::add(d->le_serverName, serverNameHelp);
TQWhatsThis::add(d->cb_followSymlinks, followSymlinksHelp);
connect(d->cb_share, TQ_SIGNAL(toggled(bool)), TQ_SLOT(slotSharingToggled(bool)));
slotSharingToggled(false);
connect
(
d->cb_share,
TQ_SIGNAL(toggled(bool)),
TQ_SLOT(slotChanged())
);
connect
(
d->sb_listenPort,
TQ_SIGNAL(valueChanged(int)),
TQ_SLOT(slotChanged())
);
connect
(
d->sb_bandwidthLimit,
TQ_SIGNAL(valueChanged(int)),
TQ_SLOT(slotChanged())
);
#if 0
connect
(
d->sb_connectionLimit,
TQ_SIGNAL(valueChanged(int)),
TQ_SLOT(slotChanged())
);
#endif
connect
(
d->le_serverName,
TQ_SIGNAL(textChanged(const TQString&)),
TQ_SLOT(slotChanged())
);
connect
(
d->cb_followSymlinks,
TQ_SIGNAL(toggled(bool)),
TQ_SLOT(slotChanged())
);
return w;
}
void
PropertiesDialogPlugin::slotStartKPF()
{
d->l_kpfStatus
->setText(i18n("kpf applet status: <strong>starting...</strong>"));
kapp->dcopClient()
->send("kicker", "default", "addApplet(TQString)", TQString("kpfapplet.desktop"));
TQTimer::singleShot(4 * 1000, this, TQ_SLOT(slotStartKPFFailed()));
}
void
PropertiesDialogPlugin::slotStartKPFFailed()
{
d->l_kpfStatus
->setText(i18n("kpf applet status: <strong>failed to start</strong>"));
d->pb_startKPF->setEnabled(true);
}
void
PropertiesDialogPlugin::slotApplicationRegistered(const TQCString & s)
{
if ("kpf" == s)
{
d->kpfRunning = true;
d->l_kpfStatus
->setText(i18n("kpf applet status: <strong>running</strong>"));
d->pb_startKPF->setEnabled(false);
getServerRef();
updateGUIFromCurrentState();
d->stack->raiseWidget(d->configWidget);
}
}
void
PropertiesDialogPlugin::slotApplicationUnregistered(const TQCString & s)
{
if ("kpf" == s)
{
d->kpfRunning = false;
d->webServerRef.clear();
d->pb_startKPF->setEnabled(true);
d->l_kpfStatus
->setText(i18n("kpf applet status: <strong>not running</strong>"));
d->stack->raiseWidget(d->initWidget);
}
}
void
PropertiesDialogPlugin::readSettings()
{
d->currentState = ServerState();
if (!d->kpfRunning || d->webServerRef.isNull())
return;
d->currentState.shared = true;
WebServer_stub webServer(d->webServerRef.app(), d->webServerRef.object());
d->currentState.listenPort = webServer.listenPort();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: warn user ?
kpfDebug << "WebServer_stub call failed" << endl;
d->currentState.listenPort = Config::DefaultListenPort;
return;
}
d->currentState.bandwidthLimit = webServer.bandwidthLimit();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: warn user ?
kpfDebug << "WebServer_stub call failed" << endl;
d->currentState.bandwidthLimit = Config::DefaultBandwidthLimit;
return;
}
#if 0
d->currentState.connectionLimit = webServer.connectionLimit();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: warn user ?
kpfDebug << "WebServer_stub call failed" << endl;
d->currentState.connectionLimit = Config::DefaultConnectionLimit;
return;
}
#endif
d->currentState.serverName = webServer.serverName();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: warn user ?
kpfDebug << "WebServer_stub call failed" << endl;
d->currentState.serverName = "";
return;
}
d->currentState.followSymlinks = webServer.followSymlinks();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: warn user ?
kpfDebug << "WebServer_stub call failed" << endl;
d->currentState.followSymlinks = Config::DefaultFollowSymlinks;
return;
}
}
void
PropertiesDialogPlugin::getServerRef()
{
TQValueList<DCOPRef> serverRefList =
d->webServerManagerInterface->serverList();
if (DCOPStub::CallFailed == d->webServerManagerInterface->status())
{
// TODO: warn
kpfDebug << "webServerManagerInterface.serverList call failed" << endl;
return;
}
d->webServerRef.clear();
TQValueList<DCOPRef>::ConstIterator it(serverRefList.begin());
for (; it != serverRefList.end(); ++it)
{
DCOPRef serverRef(*it);
WebServer_stub webServer(serverRef.app(), serverRef.object());
if (webServer.root() == d->url.path())
{
d->webServerRef = serverRef;
break;
}
}
}
bool
PropertiesDialogPlugin::userAcceptsWarning() const
{
TQString noWarningKey("DoNotWarnAboutSharingDirectoriesViaHTTP");
TDEConfig * config(TDEGlobal::config());
if (config->readBoolEntry(noWarningKey, false))
return true;
return
(
KMessageBox::Continue
==
KMessageBox::warningContinueCancel
(
d->configWidget,
i18n(
"<p>"
"Before you share a directory, be <strong>absolutely"
" certain</strong> that it does not contain sensitive"
" information."
"</p>"
"<p>"
"Sharing a directory makes all information"
" in that directory <strong>and all subdirectories</strong>"
" available to <strong>anyone</strong> who wishes to read it."
"</p>"
"<p>"
"If you have a system administrator, please ask for permission"
" before sharing a directory in this way."
"</p>"
),
i18n("Warning - Sharing Sensitive Information?"),
i18n("&Share Directory"),
noWarningKey,
true
)
);
}
void
PropertiesDialogPlugin::slotChanged()
{
kpfDebug << "PropertiesDialogPlugin::slotChanged" << endl;
readSettings();
updateWantedStateFromGUI();
setDirty(d->currentState != d->wantedState);
kpfDebug << "Dirty: " << isDirty() << endl;
emit(changed());
}
void
PropertiesDialogPlugin::applyChanges()
{
readSettings();
updateWantedStateFromGUI();
enum Action
{
None,
Enable,
Disable,
Reconfigure
};
bool needRestart = false;
Action action = None;
if (!d->currentState.shared && d->wantedState.shared)
{
// kpfDebug << "Not shared, but want to be. Action is Enable" << endl;
action = Enable;
}
else if (d->currentState.shared && !d->wantedState.shared)
{
// kpfDebug << "Shared, but don't want to be. Action is Disable" << endl;
action = Disable;
}
else if
(
d->currentState.listenPort != d->wantedState.listenPort
||
d->currentState.bandwidthLimit != d->wantedState.bandwidthLimit
||
// d->currentState.connectionLimit != d->wantedState.connectionLimit
// ||
d->currentState.serverName != d->wantedState.serverName
||
d->currentState.followSymlinks != d->wantedState.followSymlinks
)
{
// kpfDebug << "Config changed. Action is Reconfigure" << endl;
action = Reconfigure;
if (d->currentState.listenPort != d->wantedState.listenPort)
needRestart = true;
}
if (None == action)
{
// kpfDebug << "Nothing changed. Action = None" << endl;
return;
}
switch (action)
{
case Enable:
{
DCOPRef ref =
d->webServerManagerInterface->createServer
(
d->url.path(),
d->wantedState.listenPort,
d->wantedState.bandwidthLimit,
Config::DefaultConnectionLimit,//d->wantedState.connectionLimit,
d->wantedState.followSymlinks,
d->wantedState.serverName
);
if (ref.isNull())
{
// TODO: Warn user.
kpfDebug
<< "kpf refused to create server - warn user here !" << endl;
break;
}
else
{
d->webServerRef = ref;
}
}
break;
case Disable:
if (d->webServerRef.isNull())
{
// TODO: Warn user.
kpfDebug << "Disable, but d->webServerRef is null" << endl;
}
else
{
d->webServerManagerInterface->disableServer(d->webServerRef);
}
break;
case Reconfigure:
if (d->webServerRef.isNull())
{
kpfDebug << "Need restart, but d->webServerRef is null" << endl;
}
else
{
WebServer_stub webServer
(d->webServerRef.app(), d->webServerRef.object());
webServer.set
(
d->wantedState.listenPort,
d->wantedState.bandwidthLimit,
Config::DefaultConnectionLimit,//d->wantedState.connectionLimit,
d->wantedState.followSymlinks,
d->wantedState.serverName
);
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: Warn user.
kpfDebug << "Reconfigure failed" << endl;
}
if (needRestart)
{
webServer.restart();
if (DCOPStub::CallFailed == webServer.status())
{
// TODO: Warn user.
kpfDebug << "Restart failed" << endl;
}
}
}
break;
default:
kpfDebug << "Code error in KPF::PropertiesDialogPlugin." << endl;
break;
}
}
void
PropertiesDialogPlugin::updateGUIFromCurrentState()
{
readSettings();
// We don't want slotSharingToggled to be called.
d->cb_share->blockSignals(true);
d->cb_share->setChecked(d->currentState.shared);
d->cb_share->blockSignals(false);
d->sb_listenPort ->setValue (d->currentState.listenPort);
d->sb_bandwidthLimit ->setValue (d->currentState.bandwidthLimit);
// d->sb_connectionLimit ->setValue (d->currentState.connectionLimit);
d->le_serverName ->setText (d->currentState.serverName);
d->cb_followSymlinks ->setChecked (d->currentState.followSymlinks);
setControlsEnabled(d->currentState.shared);
}
void
PropertiesDialogPlugin::updateWantedStateFromGUI()
{
d->wantedState.shared = d->cb_share->isChecked();
d->wantedState.listenPort = d->sb_listenPort->value();
d->wantedState.bandwidthLimit = d->sb_bandwidthLimit->value();
// d->wantedState.connectionLimit = d->sb_connectionLimit->value();
d->wantedState.serverName = d->le_serverName->text();
d->wantedState.followSymlinks = d->cb_followSymlinks->isChecked();
}
typedef KGenericFactory<PropertiesDialogPlugin, KPropertiesDialog> PropertiesDialogPluginFactory;
}
K_EXPORT_COMPONENT_FACTORY( kpfpropertiesdialog,
KPF::PropertiesDialogPluginFactory( "kpf" ) )
#include "PropertiesDialogPlugin.moc"
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