00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040
00041
00042
00043
00044
00045
00046
00047
00048
00049 #ifdef HAVE_CONFIG_H
00050 #include <config.h>
00051 #endif
00052
00053 #include "keyrequester.h"
00054
00055 #include "keyselectiondialog.h"
00056
00057 #include <kleo/keylistjob.h>
00058 #include <kleo/dn.h>
00059 #include <kleo/cryptobackendfactory.h>
00060
00061
00062 #include <gpgmepp/key.h>
00063 #include <gpgmepp/keylistresult.h>
00064
00065
00066 #include <klocale.h>
00067 #include <kiconloader.h>
00068 #include <kdialog.h>
00069 #include <kdebug.h>
00070 #include <kmessagebox.h>
00071
00072
00073 #include <qpushbutton.h>
00074 #include <qlayout.h>
00075 #include <qtooltip.h>
00076 #include <qstring.h>
00077 #include <qstringlist.h>
00078 #include <qlabel.h>
00079 #include <qregexp.h>
00080
00081 #include <assert.h>
00082
00083 Kleo::KeyRequester::KeyRequester( unsigned int allowedKeys, bool multipleKeys,
00084 QWidget * parent, const char * name )
00085 : QWidget( parent, name ),
00086 mOpenPGPBackend( 0 ),
00087 mSMIMEBackend( 0 ),
00088 mMulti( multipleKeys ),
00089 mKeyUsage( allowedKeys ),
00090 mJobs( 0 ),
00091 d( 0 )
00092 {
00093 init();
00094 }
00095
00096 Kleo::KeyRequester::KeyRequester( QWidget * parent, const char * name )
00097 : QWidget( parent, name ),
00098 mOpenPGPBackend( 0 ),
00099 mSMIMEBackend( 0 ),
00100 mMulti( false ),
00101 mKeyUsage( 0 ),
00102 mJobs( 0 ),
00103 d( 0 )
00104 {
00105 init();
00106 }
00107
00108 void Kleo::KeyRequester::init()
00109 {
00110 QHBoxLayout * hlay = new QHBoxLayout( this, 0, KDialog::spacingHint() );
00111
00112
00113 mLabel = new QLabel( this );
00114 mLabel->setFrameStyle( QFrame::Panel | QFrame::Sunken );
00115
00116
00117 mEraseButton = new QPushButton( this );
00118 mEraseButton->setAutoDefault( false );
00119 mEraseButton->setSizePolicy( QSizePolicy( QSizePolicy::Minimum,
00120 QSizePolicy::Minimum ) );
00121 mEraseButton->setPixmap( SmallIcon( "clear_left" ) );
00122 QToolTip::add( mEraseButton, i18n("Clear") );
00123
00124
00125 mDialogButton = new QPushButton( i18n("Change..."), this );
00126 mDialogButton->setAutoDefault( false );
00127
00128 hlay->addWidget( mLabel, 1 );
00129 hlay->addWidget( mEraseButton );
00130 hlay->addWidget( mDialogButton );
00131
00132 connect( mEraseButton, SIGNAL(clicked()), SLOT(slotEraseButtonClicked()) );
00133 connect( mDialogButton, SIGNAL(clicked()), SLOT(slotDialogButtonClicked()) );
00134
00135 setSizePolicy( QSizePolicy( QSizePolicy::MinimumExpanding,
00136 QSizePolicy::Fixed ) );
00137
00138 setAllowedKeys( mKeyUsage );
00139 }
00140
00141 Kleo::KeyRequester::~KeyRequester() {
00142
00143 }
00144
00145 const std::vector<GpgME::Key> & Kleo::KeyRequester::keys() const {
00146 return mKeys;
00147 }
00148
00149 const GpgME::Key & Kleo::KeyRequester::key() const {
00150 if ( mKeys.empty() )
00151 return GpgME::Key::null;
00152 else
00153 return mKeys.front();
00154 }
00155
00156 void Kleo::KeyRequester::setKeys( const std::vector<GpgME::Key> & keys ) {
00157 mKeys.clear();
00158 for ( std::vector<GpgME::Key>::const_iterator it = keys.begin() ; it != keys.end() ; ++it )
00159 if ( !it->isNull() )
00160 mKeys.push_back( *it );
00161 updateKeys();
00162 }
00163
00164 void Kleo::KeyRequester::setKey( const GpgME::Key & key ) {
00165 mKeys.clear();
00166 if ( !key.isNull() )
00167 mKeys.push_back( key );
00168 updateKeys();
00169 }
00170
00171 QString Kleo::KeyRequester::fingerprint() const {
00172 if ( mKeys.empty() )
00173 return QString::null;
00174 else
00175 return mKeys.front().primaryFingerprint();
00176 }
00177
00178 QStringList Kleo::KeyRequester::fingerprints() const {
00179 QStringList result;
00180 for ( std::vector<GpgME::Key>::const_iterator it = mKeys.begin() ; it != mKeys.end() ; ++it )
00181 if ( !it->isNull() )
00182 if ( const char * fpr = it->primaryFingerprint() )
00183 result.push_back( fpr );
00184 return result;
00185 }
00186
00187 void Kleo::KeyRequester::setFingerprint( const QString & fingerprint ) {
00188 startKeyListJob( fingerprint );
00189 }
00190
00191 void Kleo::KeyRequester::setFingerprints( const QStringList & fingerprints ) {
00192 startKeyListJob( fingerprints );
00193 }
00194
00195 void Kleo::KeyRequester::updateKeys() {
00196 if ( mKeys.empty() ) {
00197 mLabel->clear();
00198 return;
00199 }
00200 if ( mKeys.size() > 1 )
00201 setMultipleKeysEnabled( true );
00202
00203 QStringList labelTexts;
00204 QString toolTipText;
00205 for ( std::vector<GpgME::Key>::const_iterator it = mKeys.begin() ; it != mKeys.end() ; ++it ) {
00206 if ( it->isNull() )
00207 continue;
00208 const QString fpr = it->primaryFingerprint();
00209 labelTexts.push_back( fpr.right(8) );
00210 toolTipText += fpr.right(8) + ": ";
00211 if ( const char * uid = it->userID(0).id() )
00212 if ( it->protocol() == GpgME::Context::OpenPGP )
00213 toolTipText += QString::fromUtf8( uid );
00214 else
00215 toolTipText += Kleo::DN( uid ).prettyDN();
00216 else
00217 toolTipText += i18n("<unknown>");
00218 toolTipText += '\n';
00219 }
00220
00221 mLabel->setText( labelTexts.join(", ") );
00222 QToolTip::remove( mLabel );
00223 QToolTip::add( mLabel, toolTipText );
00224 }
00225
00226 #ifndef __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
00227 #define __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
00228 static void showKeyListError( QWidget * parent, const GpgME::Error & err ) {
00229 assert( err );
00230 const QString msg = i18n( "<qt><p>An error occurred while fetching "
00231 "the keys from the backend:</p>"
00232 "<p><b>%1</b></p></qt>" )
00233 .arg( QString::fromLocal8Bit( err.asString() ) );
00234
00235 KMessageBox::error( parent, msg, i18n( "Key Listing Failed" ) );
00236 }
00237 #endif // __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
00238
00239 void Kleo::KeyRequester::startKeyListJob( const QStringList & fingerprints ) {
00240 if ( !mSMIMEBackend && !mOpenPGPBackend )
00241 return;
00242
00243 mTmpKeys.clear();
00244 mJobs = 0;
00245
00246 unsigned int count = 0;
00247 for ( QStringList::const_iterator it = fingerprints.begin() ; it != fingerprints.end() ; ++it )
00248 if ( !(*it).stripWhiteSpace().isEmpty() )
00249 ++count;
00250
00251 if ( !count ) {
00252
00253
00254 setKey( GpgME::Key::null );
00255 return;
00256 }
00257
00258 if ( mOpenPGPBackend ) {
00259 KeyListJob * job = mOpenPGPBackend->keyListJob( false );
00260 if ( !job ) {
00261 KMessageBox::error( this,
00262 i18n("The OpenPGP backend does not support listing keys. "
00263 "Check your installation."),
00264 i18n("Key Listing Failed") );
00265 } else {
00266 connect( job, SIGNAL(result(const GpgME::KeyListResult&)),
00267 SLOT(slotKeyListResult(const GpgME::KeyListResult&)) );
00268 connect( job, SIGNAL(nextKey(const GpgME::Key&)),
00269 SLOT(slotNextKey(const GpgME::Key&)) );
00270
00271 const GpgME::Error err = job->start( fingerprints,
00272 mKeyUsage & Kleo::KeySelectionDialog::SecretKeys &&
00273 !( mKeyUsage & Kleo::KeySelectionDialog::PublicKeys ) );
00274
00275 if ( err )
00276 showKeyListError( this, err );
00277 else
00278 ++mJobs;
00279 }
00280 }
00281
00282 if ( mSMIMEBackend ) {
00283 KeyListJob * job = mSMIMEBackend->keyListJob( false );
00284 if ( !job ) {
00285 KMessageBox::error( this,
00286 i18n("The S/MIME backend does not support listing keys. "
00287 "Check your installation."),
00288 i18n("Key Listing Failed") );
00289 } else {
00290 connect( job, SIGNAL(result(const GpgME::KeyListResult&)),
00291 SLOT(slotKeyListResult(const GpgME::KeyListResult&)) );
00292 connect( job, SIGNAL(nextKey(const GpgME::Key&)),
00293 SLOT(slotNextKey(const GpgME::Key&)) );
00294
00295 const GpgME::Error err = job->start( fingerprints,
00296 mKeyUsage & Kleo::KeySelectionDialog::SecretKeys &&
00297 !( mKeyUsage & Kleo::KeySelectionDialog::PublicKeys ) );
00298
00299 if ( err )
00300 showKeyListError( this, err );
00301 else
00302 ++mJobs;
00303 }
00304 }
00305
00306 if ( mJobs > 0 ) {
00307 mEraseButton->setEnabled( false );
00308 mDialogButton->setEnabled( false );
00309 }
00310 }
00311
00312 void Kleo::KeyRequester::slotNextKey( const GpgME::Key & key ) {
00313 if ( !key.isNull() )
00314 mTmpKeys.push_back( key );
00315 }
00316
00317 void Kleo::KeyRequester::slotKeyListResult( const GpgME::KeyListResult & res ) {
00318 if ( res.error() )
00319 showKeyListError( this, res.error() );
00320
00321 if ( --mJobs <= 0 ) {
00322 mEraseButton->setEnabled( true );
00323 mDialogButton->setEnabled( true );
00324
00325 setKeys( mTmpKeys );
00326 mTmpKeys.clear();
00327 }
00328 }
00329
00330
00331 void Kleo::KeyRequester::slotDialogButtonClicked() {
00332 KeySelectionDialog * dlg = mKeys.empty()
00333 ? new KeySelectionDialog( mDialogCaption, mDialogMessage, mInitialQuery, mKeyUsage, mMulti, false, this )
00334 : new KeySelectionDialog( mDialogCaption, mDialogCaption, mKeys, mKeyUsage, mMulti, false, this ) ;
00335
00336 if ( dlg->exec() == QDialog::Accepted ) {
00337 if ( mMulti )
00338 setKeys( dlg->selectedKeys() );
00339 else
00340 setKey( dlg->selectedKey() );
00341 emit changed();
00342 }
00343
00344 delete dlg;
00345 }
00346
00347 void Kleo::KeyRequester::slotEraseButtonClicked() {
00348 if ( !mKeys.empty() )
00349 emit changed();
00350 mKeys.clear();
00351 updateKeys();
00352 }
00353
00354 void Kleo::KeyRequester::setDialogCaption( const QString & caption ) {
00355 mDialogCaption = caption;
00356 }
00357
00358 void Kleo::KeyRequester::setDialogMessage( const QString & msg ) {
00359 mDialogMessage = msg;
00360 }
00361
00362 bool Kleo::KeyRequester::isMultipleKeysEnabled() const {
00363 return mMulti;
00364 }
00365
00366 void Kleo::KeyRequester::setMultipleKeysEnabled( bool multi ) {
00367 if ( multi == mMulti ) return;
00368
00369 if ( !multi && !mKeys.empty() )
00370 mKeys.erase( mKeys.begin() + 1, mKeys.end() );
00371
00372 mMulti = multi;
00373 updateKeys();
00374 }
00375
00376 unsigned int Kleo::KeyRequester::allowedKeys() const {
00377 return mKeyUsage;
00378 }
00379
00380 void Kleo::KeyRequester::setAllowedKeys( unsigned int keyUsage ) {
00381 mKeyUsage = keyUsage;
00382 mOpenPGPBackend = 0;
00383 mSMIMEBackend = 0;
00384
00385 if ( mKeyUsage & KeySelectionDialog::OpenPGPKeys )
00386 mOpenPGPBackend = Kleo::CryptoBackendFactory::instance()->openpgp();
00387 if ( mKeyUsage & KeySelectionDialog::SMIMEKeys )
00388 mSMIMEBackend = Kleo::CryptoBackendFactory::instance()->smime();
00389
00390 if ( mOpenPGPBackend && !mSMIMEBackend ) {
00391 mDialogCaption = i18n("OpenPGP Key Selection");
00392 mDialogMessage = i18n("Please select an OpenPGP key to use.");
00393 } else if ( !mOpenPGPBackend && mSMIMEBackend ) {
00394 mDialogCaption = i18n("S/MIME Key Selection");
00395 mDialogMessage = i18n("Please select an S/MIME key to use.");
00396 } else {
00397 mDialogCaption = i18n("Key Selection");
00398 mDialogMessage = i18n("Please select an (OpenPGP or S/MIME) key to use.");
00399 }
00400 }
00401
00402 QPushButton * Kleo::KeyRequester::dialogButton() {
00403 return mDialogButton;
00404 }
00405
00406 QPushButton * Kleo::KeyRequester::eraseButton() {
00407 return mEraseButton;
00408 }
00409
00410 static inline unsigned int foo( bool openpgp, bool smime, bool trusted, bool valid ) {
00411 unsigned int result = 0;
00412 if ( openpgp )
00413 result |= Kleo::KeySelectionDialog::OpenPGPKeys;
00414 if ( smime )
00415 result |= Kleo::KeySelectionDialog::SMIMEKeys;
00416 if ( trusted )
00417 result |= Kleo::KeySelectionDialog::TrustedKeys;
00418 if ( valid )
00419 result |= Kleo::KeySelectionDialog::ValidKeys;
00420 return result;
00421 }
00422
00423 static inline unsigned int encryptionKeyUsage( bool openpgp, bool smime, bool trusted, bool valid ) {
00424 return foo( openpgp, smime, trusted, valid ) | Kleo::KeySelectionDialog::EncryptionKeys | Kleo::KeySelectionDialog::PublicKeys;
00425 }
00426
00427 static inline unsigned int signingKeyUsage( bool openpgp, bool smime, bool trusted, bool valid ) {
00428 return foo( openpgp, smime, trusted, valid ) | Kleo::KeySelectionDialog::SigningKeys | Kleo::KeySelectionDialog::SecretKeys;
00429 }
00430
00431 Kleo::EncryptionKeyRequester::EncryptionKeyRequester( bool multi, unsigned int proto,
00432 QWidget * parent, const char * name,
00433 bool onlyTrusted, bool onlyValid )
00434 : KeyRequester( encryptionKeyUsage( proto & OpenPGP, proto & SMIME, onlyTrusted, onlyValid ), multi,
00435 parent, name )
00436 {
00437 }
00438
00439 Kleo::EncryptionKeyRequester::EncryptionKeyRequester( QWidget * parent, const char * name )
00440 : KeyRequester( 0, false, parent, name )
00441 {
00442 }
00443
00444 Kleo::EncryptionKeyRequester::~EncryptionKeyRequester() {}
00445
00446
00447 void Kleo::EncryptionKeyRequester::setAllowedKeys( unsigned int proto, bool onlyTrusted, bool onlyValid )
00448 {
00449 KeyRequester::setAllowedKeys( encryptionKeyUsage( proto & OpenPGP, proto & SMIME, onlyTrusted, onlyValid ) );
00450 }
00451
00452 Kleo::SigningKeyRequester::SigningKeyRequester( bool multi, unsigned int proto,
00453 QWidget * parent, const char * name,
00454 bool onlyTrusted, bool onlyValid )
00455 : KeyRequester( signingKeyUsage( proto & OpenPGP, proto & SMIME, onlyTrusted, onlyValid ), multi,
00456 parent, name )
00457 {
00458 }
00459
00460 Kleo::SigningKeyRequester::SigningKeyRequester( QWidget * parent, const char * name )
00461 : KeyRequester( 0, false, parent, name )
00462 {
00463 }
00464
00465 Kleo::SigningKeyRequester::~SigningKeyRequester() {}
00466
00467 void Kleo::SigningKeyRequester::setAllowedKeys( unsigned int proto, bool onlyTrusted, bool onlyValid )
00468 {
00469 KeyRequester::setAllowedKeys( signingKeyUsage( proto & OpenPGP, proto & SMIME, onlyTrusted, onlyValid ) );
00470 }
00471
00472 void Kleo::KeyRequester::virtual_hook( int, void* ) {}
00473 void Kleo::EncryptionKeyRequester::virtual_hook( int id, void * data ) {
00474 KeyRequester::virtual_hook( id, data );
00475 }
00476 void Kleo::SigningKeyRequester::virtual_hook( int id, void * data ) {
00477 KeyRequester::virtual_hook( id, data );
00478 }
00479
00480 #include "keyrequester.moc"