kgpg

keyinfodialog.cpp

00001 
00007 /***************************************************************************
00008  *                                                                         *
00009  *   This program is free software; you can redistribute it and/or modify  *
00010  *   it under the terms of the GNU General Public License as published by  *
00011  *   the Free Software Foundation; either version 2 of the License, or     *
00012  *   (at your option) any later version.                                   *
00013  *                                                                         *
00014  ***************************************************************************/
00015 
00016 #include "keyinfodialog.h"
00017 
00018 #include <QGridLayout>
00019 #include <QHBoxLayout>
00020 #include <QVBoxLayout>
00021 #include <QGroupBox>
00022 #include <QCheckBox>
00023 #include <QPixmap>
00024 #include <QImage>
00025 #include <QApplication>
00026 
00027 #include <KToolInvocation>
00028 #include <KPassivePopup>
00029 #include <KPushButton>
00030 #include <KDatePicker>
00031 #include <KMessageBox>
00032 #include <KUrlLabel>
00033 #include <KComboBox>
00034 #include <KLocale>
00035 
00036 #include "kgpginterface.h"
00037 #include "convert.h"
00038 #include "images.h"
00039 #include "kgpgchangekey.h"
00040 #include "kgpgchangepass.h"
00041 #include "kgpgitemnode.h"
00042 
00043 using namespace KgpgCore;
00044 
00045 KgpgTrustLabel::KgpgTrustLabel(QWidget *parent, const QString &text, const QColor &color)
00046               : QWidget(parent)
00047 {
00048     m_text_w = new QLabel(this);
00049     m_text_w->setTextInteractionFlags(Qt::TextSelectableByMouse);
00050 
00051     m_color_w = new QLabel(this);
00052     m_color_w->setLineWidth(1);
00053     m_color_w->setFrameShape(QFrame::Box);
00054     m_color_w->setAutoFillBackground(true);
00055 
00056     QHBoxLayout *layout = new QHBoxLayout(this);
00057     layout->setSpacing(0);
00058     layout->setMargin(2);
00059     layout->addWidget(m_text_w);
00060     layout->addWidget(m_color_w);
00061 
00062     m_text = text;
00063     m_color = color;
00064     change();
00065 }
00066 
00067 void KgpgTrustLabel::setText(const QString &text)
00068 {
00069     m_text = text;
00070     change();
00071 }
00072 
00073 void KgpgTrustLabel::setColor(const QColor &color)
00074 {
00075     m_color = color;
00076     change();
00077 }
00078 
00079 QString KgpgTrustLabel::text() const
00080 {
00081     return m_text;
00082 }
00083 
00084 QColor KgpgTrustLabel::color() const
00085 {
00086     return m_color;
00087 }
00088 
00089 void KgpgTrustLabel::change()
00090 {
00091     m_text_w->setText(m_text);
00092 
00093     QPalette palette = m_color_w->palette();
00094     palette.setColor(m_color_w->backgroundRole(), m_color);
00095     m_color_w->setPalette(palette);
00096 }
00097 
00098 KgpgDateDialog::KgpgDateDialog(QWidget *parent, QDate date)
00099               : KDialog(parent)
00100 {
00101     setCaption(i18n("Choose New Expiration"));
00102     setButtons(Ok | Cancel);
00103     setDefaultButton(Ok);
00104     setModal(true);
00105 
00106     QWidget *page = new QWidget(this);
00107     m_unlimited = new QCheckBox(i18nc("Key has unlimited lifetime", "Unlimited"), page);
00108 
00109     if (date.isNull())
00110         date = QDate::currentDate();
00111 
00112     m_datepicker = new KDatePicker(date, page);
00113     if (date.isNull()) {
00114         m_datepicker->setEnabled(false);
00115         m_unlimited->setChecked(true);
00116     }
00117 
00118     QVBoxLayout *layout = new QVBoxLayout(page);
00119     layout->setSpacing(3);
00120     layout->addWidget(m_datepicker);
00121     layout->addWidget(m_unlimited);
00122 
00123     connect(m_unlimited, SIGNAL(toggled(bool)), this, SLOT(slotEnableDate(bool)));
00124     connect(m_datepicker, SIGNAL(dateChanged(QDate)), this, SLOT(slotCheckDate(QDate)));
00125     connect(m_datepicker, SIGNAL(dateEntered(QDate)), this, SLOT(slotCheckDate(QDate)));
00126 
00127     setMainWidget(page);
00128     show();
00129 }
00130 
00131 QDate KgpgDateDialog::date() const
00132 {
00133     if (m_unlimited->isChecked())
00134         return QDate();
00135     else
00136         return m_datepicker->date();
00137 }
00138 
00139 void KgpgDateDialog::slotCheckDate(const QDate &date)
00140 {
00141     enableButtonOk(date >= QDate::currentDate());
00142 }
00143 
00144 void KgpgDateDialog::slotEnableDate(const bool &ison)
00145 {
00146     m_datepicker->setEnabled(!ison);
00147     if (ison)
00148         enableButtonOk(true);
00149     else
00150         slotCheckDate(m_datepicker->date());
00151 }
00152 
00153 KgpgKeyInfo::KgpgKeyInfo(KGpgKeyNode *node, QWidget *parent)
00154            : KDialog(parent), keychange(new KGpgChangeKey(node))
00155 {
00156     m_node = node;
00157     m_key = node->getKey();
00158     init();
00159 }
00160 
00161 KgpgKeyInfo::KgpgKeyInfo(KgpgCore::KgpgKey *key, QWidget *parent)
00162            : KDialog(parent), keychange(new KGpgChangeKey(key))
00163 {
00164     m_node = NULL;
00165     m_key = key;
00166     init();
00167 }
00168 
00169 void KgpgKeyInfo::init()
00170 {
00171     setButtons(Ok | Apply | Cancel);
00172     setDefaultButton(Ok);
00173     setModal(true);
00174     enableButtonApply(false);
00175 
00176     m_keywaschanged = false;
00177 
00178     m_changepass = NULL;
00179 
00180     QWidget *page = new QWidget(this);
00181     QWidget *top = new QWidget(page);
00182     QWidget *right = new QWidget(top);
00183 
00184     QGroupBox *gr_properties = _keypropertiesGroup(top);
00185     QGroupBox *gr_photo = _photoGroup(right);
00186     QGroupBox *gr_buttons = _buttonsGroup(right);
00187     QGroupBox *gr_fingerprint = _fingerprintGroup(page);
00188 
00189     QVBoxLayout *layout_right = new QVBoxLayout(right);
00190     layout_right->setSpacing(spacingHint());
00191     layout_right->setMargin(0);
00192     layout_right->addWidget(gr_photo);
00193     layout_right->addWidget(gr_buttons);
00194 
00195     QHBoxLayout *layout_top = new QHBoxLayout(top);
00196     layout_top->setSpacing(spacingHint());
00197     layout_top->setMargin(0);
00198     layout_top->addWidget(gr_properties);
00199     layout_top->addWidget(right);
00200 
00201     QVBoxLayout *layout_page = new QVBoxLayout(page);
00202     layout_page->setSpacing(spacingHint());
00203     layout_page->setMargin(0);
00204     layout_page->addWidget(top);
00205     layout_page->addWidget(gr_fingerprint);
00206 
00207     setMainWidget(page);
00208 
00209     connect(m_owtrust, SIGNAL(activated(int)), this, SLOT(slotChangeTrust(int)));
00210     connect(m_photoid, SIGNAL(activated (const QString &)), this, SLOT(slotLoadPhoto(const QString &)));
00211     connect(m_email, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
00212     connect(this, SIGNAL(okClicked()), this, SLOT(slotPreOk()));
00213     connect(this, SIGNAL(cancelClicked()), this, SLOT(slotPreCancel()));
00214     connect(this, SIGNAL(applyClicked()), SLOT(slotApply()));
00215     connect(keychange, SIGNAL(done(int)), SLOT(slotApplied(int)));
00216 
00217     displayKey();
00218     if (!m_hasphoto)
00219         m_photoid->setEnabled(false);
00220     else
00221         slotLoadPhoto(m_photoid->currentText());
00222 }
00223 
00224 KgpgKeyInfo::~KgpgKeyInfo()
00225 {
00226     if (keychange)
00227         keychange->selfdestruct(false);
00228     if (!m_node)
00229         delete m_key;
00230     delete m_changepass;
00231 }
00232 
00233 QGroupBox* KgpgKeyInfo::_keypropertiesGroup(QWidget *parent)
00234 {
00235     QGroupBox *group = new QGroupBox(i18n("Key properties"), parent);
00236 
00237     /************************/
00238     /* --- name / email --- */
00239 
00240     QWidget *widget_name = new QWidget(group);
00241 
00242     m_name = new QLabel(widget_name);
00243     m_name->setTextInteractionFlags(Qt::TextSelectableByMouse);
00244 
00245     m_email = new KUrlLabel(widget_name);
00246     m_email->setUnderline(false);
00247     m_email->setTextInteractionFlags(Qt::TextSelectableByMouse);
00248 
00249     /**********************/
00250     /* --- properties --- */
00251 
00252     QWidget *widget_properties = new QWidget(group);
00253 
00254     QLabel *tl_id = new QLabel(i18n("Key ID:"), widget_properties);
00255     QLabel *tl_comment = new QLabel(i18n("Comment:"), widget_properties);
00256     QLabel *tl_creation = new QLabel(i18n("Creation:"), widget_properties);
00257     QLabel *tl_expiration = new QLabel(i18n("Expiration:"), widget_properties);
00258     QLabel *tl_trust = new QLabel(i18n("Trust:"), widget_properties);
00259     QLabel *tl_owtrust = new QLabel(i18n("Owner trust:"), widget_properties);
00260     QLabel *tl_algorithm = new QLabel(i18n("Algorithm:"), widget_properties);
00261     QLabel *tl_length = new QLabel(i18n("Length:"), widget_properties);
00262 
00263     m_id = new QLabel(widget_properties);
00264     m_comment = new QLabel(widget_properties);
00265     m_creation = new QLabel(widget_properties);
00266     m_expiration = new QLabel(widget_properties);
00267     m_trust = new KgpgTrustLabel(widget_properties);
00268     m_owtrust = new KComboBox(widget_properties);
00269     m_algorithm = new QLabel(widget_properties);
00270     m_length = new QLabel(widget_properties);
00271 
00272     m_owtrust->addItem(i18n("I do not know"));
00273     m_owtrust->addItem(i18n("I do NOT trust"));
00274     m_owtrust->addItem(i18n("Marginally"));
00275     m_owtrust->addItem(i18n("Fully"));
00276     m_owtrust->addItem(i18n("Ultimately"));
00277 
00278     m_id->setTextInteractionFlags(Qt::TextSelectableByMouse);
00279     m_comment->setTextInteractionFlags(Qt::TextSelectableByMouse);
00280     m_creation->setTextInteractionFlags(Qt::TextSelectableByMouse);
00281     m_expiration->setTextInteractionFlags(Qt::TextSelectableByMouse);
00282     m_algorithm->setTextInteractionFlags(Qt::TextSelectableByMouse);
00283     m_length->setTextInteractionFlags(Qt::TextSelectableByMouse);
00284 
00285     QHBoxLayout *layout_name = new QHBoxLayout(widget_name);
00286     layout_name->setMargin(0);
00287     layout_name->setSpacing(spacingHint());
00288     layout_name->addWidget(m_name);
00289     layout_name->addWidget(m_email);
00290     layout_name->addStretch();
00291 
00292     QGridLayout *layout_properties = new QGridLayout(widget_properties);
00293     layout_properties->setMargin(0);
00294     layout_properties->setSpacing(spacingHint());
00295     layout_properties->addWidget(tl_id, 0, 0, Qt::AlignRight);
00296     layout_properties->addWidget(m_id, 0, 1);
00297     layout_properties->addWidget(tl_comment, 1, 0, Qt::AlignRight);
00298     layout_properties->addWidget(m_comment, 1, 1);
00299     layout_properties->addWidget(tl_creation, 2, 0, Qt::AlignRight);
00300     layout_properties->addWidget(m_creation, 2, 1);
00301     layout_properties->addWidget(tl_expiration, 3, 0, Qt::AlignRight);
00302     layout_properties->addWidget(m_expiration, 3, 1);
00303     layout_properties->addWidget(tl_trust, 4, 0, Qt::AlignRight);
00304     layout_properties->addWidget(m_trust, 4, 1);
00305     layout_properties->addWidget(tl_owtrust, 5, 0, Qt::AlignRight);
00306     layout_properties->addWidget(m_owtrust, 5, 1);
00307     layout_properties->addWidget(tl_algorithm, 6, 0, Qt::AlignRight);
00308     layout_properties->addWidget(m_algorithm, 6, 1);
00309     layout_properties->addWidget(tl_length, 7, 0, Qt::AlignRight);
00310     layout_properties->addWidget(m_length, 7, 1);
00311     layout_properties->setColumnStretch(1, 1);
00312     layout_properties->setRowStretch(8, 1);
00313 
00314     QVBoxLayout *layout_keyproperties = new QVBoxLayout(group);
00315     layout_keyproperties->addWidget(widget_name);
00316     layout_keyproperties->addWidget(widget_properties);
00317 
00318     return group;
00319 }
00320 
00321 QGroupBox* KgpgKeyInfo::_photoGroup(QWidget *parent)
00322 {
00323     QGroupBox *group = new QGroupBox(i18n("Photo"), parent);
00324     m_photo = new QLabel(i18n("No Photo"), group);
00325     m_photoid = new KComboBox(group);
00326 
00327     m_photo->setMinimumSize(120, 140);
00328     m_photo->setMaximumSize(32767, 140);
00329     m_photo->setLineWidth(2);
00330     m_photo->setAlignment(Qt::AlignCenter);
00331     m_photo->setFrameShape(QFrame::Box);
00332     m_photo->setWhatsThis("<qt><b>Photo:</b><p>A photo can be included with a public key for extra security. The photo can be used as an additional method of authenticating the key. However, it should not be relied upon as the only form of authentication.</p></qt>");
00333 
00334     QVBoxLayout *layout = new QVBoxLayout(group);
00335     layout->setMargin(marginHint());
00336     layout->setSpacing(spacingHint());
00337     layout->addWidget(m_photo);
00338     layout->addWidget(m_photoid);
00339     layout->addStretch();
00340 
00341     return group;
00342 }
00343 
00344 QGroupBox* KgpgKeyInfo::_buttonsGroup(QWidget *parent)
00345 {
00346     QGroupBox *group = new QGroupBox(parent);
00347     m_disable = new QCheckBox(i18n("Disable key"), group);
00348 
00349     if (m_key->secret())
00350     {
00351         m_expirationbtn = new KPushButton(i18n("Change Expiration..."), group);
00352         m_password = new KPushButton(i18n("Change Passphrase..."), group);
00353 
00354         connect(m_expirationbtn, SIGNAL(clicked()), this, SLOT(slotChangeDate()));
00355         connect(m_password, SIGNAL(clicked()), this, SLOT(slotChangePass()));
00356     }
00357     else
00358     {
00359         m_password = 0;
00360         m_expirationbtn = 0;
00361     }
00362 
00363     connect(m_disable, SIGNAL(toggled(bool)), this, SLOT(slotDisableKey(bool)));
00364 
00365     QVBoxLayout *layout = new QVBoxLayout(group);
00366     layout->setMargin(marginHint());
00367     layout->setSpacing(spacingHint());
00368     layout->addWidget(m_disable);
00369 
00370     if (m_key->secret())
00371     {
00372         layout->addWidget(m_expirationbtn);
00373         layout->addWidget(m_password);
00374     }
00375 
00376     return group;
00377 }
00378 
00379 QGroupBox* KgpgKeyInfo::_fingerprintGroup(QWidget *parent)
00380 {
00381     QGroupBox *group = new QGroupBox(i18n("Fingerprint"), parent);
00382     m_fingerprint = new QLabel(group);
00383     m_fingerprint->setTextInteractionFlags(Qt::TextSelectableByMouse);
00384 
00385     QVBoxLayout *layout = new QVBoxLayout(group);
00386     layout->setMargin(marginHint());
00387     layout->setSpacing(spacingHint());
00388     layout->addWidget(m_fingerprint);
00389 
00390     return group;
00391 }
00392 
00393 void KgpgKeyInfo::reloadKey()
00394 {
00395     KgpgInterface *interface = new KgpgInterface();
00396     KgpgKeyList listkeys = interface->readPublicKeys(true, m_key->fullId());
00397     delete interface;
00398 
00399     Q_ASSERT(listkeys.count() > 0);
00400 
00401     delete m_key;
00402     m_key = new KgpgKey(listkeys.at(0));
00403     displayKey();
00404 }
00405 
00406 void KgpgKeyInfo::displayKey()
00407 {
00408     KgpgKeySub subkey;
00409 
00410     // Get the first encryption subkey
00411     KgpgKeySubListPtr sublist = m_key->subList();
00412     for (int i = 0; i < sublist->count(); ++i)
00413     {
00414         KgpgKeySub temp = sublist->at(i);
00415         if (temp.type() == SKT_ENCRYPTION)
00416         {
00417             subkey = temp;
00418             break;
00419         }
00420     }
00421 
00422     QString name = m_key->name();
00423     setCaption(name);
00424     m_name->setText("<qt><b>" + name + "</b></qt>");
00425 
00426     if (m_key->email().isEmpty())
00427     {
00428         m_email->setText(i18nc("no email address", "none"));
00429         m_email->setUrl("");
00430     }
00431     else
00432     {
00433         m_email->setText("<qt><b>&lt;" + m_key->email() + "&gt;</b></qt>");
00434         m_email->setUrl("mailto:" + name + '<' + m_key->email() + '>');
00435     }
00436 
00437     KgpgKeyTrust keytrust = m_key->valid() ? m_key->trust() : TRUST_DISABLED;
00438     QString tr = Convert::toString(keytrust);
00439     QColor trustcolor = Convert::toColor(keytrust);
00440 
00441     m_id->setText(m_key->fullId());
00442     m_algorithm->setText(Convert::toString(m_key->algorithm()) + " / " + Convert::toString(subkey.algorithm()));
00443     m_algorithm->setWhatsThis("<qt>The left part is the algorithm used by the <b>signature</b> key. The right part is the algorithm used by the <b>encryption</b> key.</qt>");
00444     m_creation->setText(m_key->creation());
00445     m_expiration->setText(m_key->expiration());
00446     m_trust->setText(tr);
00447     m_trust->setColor(trustcolor);
00448     m_length->setText(QString::number(m_key->size()) + " / " + QString::number(subkey.size()));
00449     m_length->setWhatsThis("<qt>The left part is the size of the <b>signature</b> key. The right part is the size of the <b>encryption</b> key.</qt>");
00450     m_fingerprint->setText(m_key->fingerprintBeautified());
00451 
00452     if (m_key->comment().isEmpty())
00453         m_comment->setText(i18nc("no key comment", "none"));
00454     else
00455         m_comment->setText(m_key->comment());
00456 
00457     QStringList photolist = m_key->photoList();
00458     m_photoid->clear();
00459     if (photolist.isEmpty())
00460     {
00461         m_photoid->setVisible(false);
00462         m_hasphoto = false;
00463     }
00464     else
00465     {
00466         m_photoid->setVisible(true);
00467         m_hasphoto = true;
00468         m_photoid->addItems(photolist);
00469     }
00470 
00471     switch (m_key->ownerTrust())
00472     {
00473         case OWTRUST_NONE:
00474             m_owtrust->setCurrentIndex(1);
00475             break;
00476 
00477         case OWTRUST_MARGINAL:
00478             m_owtrust->setCurrentIndex(2);
00479             break;
00480 
00481         case OWTRUST_FULL:
00482             m_owtrust->setCurrentIndex(3);
00483             break;
00484 
00485         case OWTRUST_ULTIMATE:
00486             m_owtrust->setCurrentIndex(4);
00487             break;
00488 
00489         case OWTRUST_UNDEFINED:
00490         default:
00491             m_owtrust->setCurrentIndex(0);
00492             break;
00493     }
00494 
00495     if (!m_key->valid())
00496         m_disable->setChecked(true);
00497 }
00498 
00499 void KgpgKeyInfo::slotOpenUrl(const QString &url) const
00500 {
00501     KToolInvocation::invokeBrowser(url);
00502 }
00503 
00504 void KgpgKeyInfo::slotLoadPhoto(const QString &uid)
00505 {
00506     KgpgInterface *interface = new KgpgInterface();
00507     connect(interface, SIGNAL(loadPhotoFinished(QPixmap, KgpgInterface*)), this, SLOT(slotSetPhoto(QPixmap, KgpgInterface*)));
00508     interface->loadPhoto(m_key->fullId(), uid);
00509 }
00510 
00511 void KgpgKeyInfo::slotSetPhoto(const QPixmap &pixmap, KgpgInterface *interface)
00512 {
00513     interface->deleteLater();
00514 
00515     QImage img = pixmap.toImage();
00516     QPixmap pix = QPixmap::fromImage(img.scaled(m_photo->width(), m_photo->height(), Qt::KeepAspectRatio));
00517     m_photo->setPixmap(pix);
00518 }
00519 
00520 void KgpgKeyInfo::slotPreOk()
00521 {
00522     if (m_keywaschanged && m_node)
00523         emit keyNeedsRefresh(m_node);
00524     keychange->selfdestruct(true);
00525     keychange = NULL;
00526     accept();
00527 }
00528 
00529 void KgpgKeyInfo::slotChangeDate()
00530 {
00531     KgpgDateDialog *dialog = new KgpgDateDialog(this, m_key->expirationDate());
00532     if (dialog->exec() == QDialog::Accepted) {
00533         keychange->setExpiration(dialog->date());
00534         enableButtonApply(keychange->wasChanged());
00535     }
00536     delete dialog;
00537 }
00538 
00539 void KgpgKeyInfo::slotDisableKey(const bool &ison)
00540 {
00541     keychange->setDisable(ison);
00542     enableButtonApply(keychange->wasChanged());
00543 }
00544 
00545 void KgpgKeyInfo::slotChangePass()
00546 {
00547     if (m_changepass == NULL) {
00548         m_changepass = new KGpgChangePass(this, m_key->fingerprint());
00549 
00550         connect(m_changepass, SIGNAL(done(int)), SLOT(slotInfoPasswordChanged(int)));
00551     }
00552 
00553     m_changepass->start();
00554     QApplication::setOverrideCursor(QCursor(Qt::BusyCursor));
00555 }
00556 
00557 void KgpgKeyInfo::slotInfoPasswordChanged(const int &res)
00558 {
00559     if (res == 2)
00560         KPassivePopup::message(i18n("Passphrase for the key was changed"), QString(), Images::kgpg(), this);
00561     else if (res == 1)
00562         KMessageBox::error(this, i18n("Bad old passphrase, the passphrase for the key was not changed"), i18n("Could not change passphrase"));
00563     QApplication::restoreOverrideCursor();
00564 }
00565 
00566 void KgpgKeyInfo::slotChangeTrust(const int &newtrust)
00567 {
00568     keychange->setOwTrust(KgpgKeyOwnerTrust(newtrust + 1));
00569     enableButtonApply(keychange->wasChanged());
00570 }
00571 
00572 void KgpgKeyInfo::setControlEnable(const bool &b)
00573 {
00574     m_owtrust->setEnabled(b);
00575     m_disable->setEnabled(b);
00576     enableButtonApply(b && keychange->wasChanged());
00577 
00578     if (m_expirationbtn)
00579         m_expirationbtn->setEnabled(b);
00580     if (m_password)
00581         m_password->setEnabled(b);
00582 
00583     if (b)
00584         QApplication::restoreOverrideCursor();
00585     else
00586         QApplication::setOverrideCursor(QCursor(Qt::BusyCursor));
00587 }
00588 
00589 void KgpgKeyInfo::slotApply()
00590 {
00591     setControlEnable(false);
00592     keychange->apply();
00593 }
00594 
00595 void KgpgKeyInfo::slotApplied(int result)
00596 {
00597     if (result) {
00598         KMessageBox::error(this, i18n("Changing key properties failed."), i18n("Key properties"));
00599     } else {
00600         m_keywaschanged = true;
00601         reloadKey();
00602     }
00603     setControlEnable(true);
00604 }
00605 
00606 void KgpgKeyInfo::slotPreCancel()
00607 {
00608     if (m_keywaschanged && m_node)
00609         emit keyNeedsRefresh(m_node);
00610     reject();
00611 }
00612 
00613 #include "keyinfodialog.moc"
kgpg

keyinfodialog.cpp

kgpg

kdeutils
