Differential D14696 Diff 39707 ui/certificateviewer.cpp

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ui/certificateviewer.cpp

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1​/***************************************************************************
2​ * Copyright (C) 2018 by Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com> *
3​ * *
4​ * This program is free software; you can redistribute it and/or modify *
5​ * it under the terms of the GNU General Public License as published by *
6​ * the Free Software Foundation; either version 2 of the License, or *
7​ * (at your option) any later version. *
8​ ***************************************************************************/
9​
10​#include "certificateviewer.h"
11​
12​#include <KMessageBox>
13​#include <KLocalizedString>
14​#include <KColumnResizer>
15​
16​#include <QLabel>
17​#include <QTextEdit>
18​#include <QTreeView>
19​#include <QGroupBox>
20​#include <QFormLayout>
21​#include <QPushButton>
22​#include <QVBoxLayout>
23​#include <QFileDialog>
24​#include <QDialogButtonBox>
25​#include <QCryptographicHash>
26​
27​#include "signatureguiutils.h"
28​
29​CertificateModel::CertificateModel( Okular::CertificateInfo *certInfo, QObject * parent )
30​ : QAbstractTableModel( parent ), m_certificateInfo( certInfo )
31​{
32​ m_certificateProperties.append( qMakePair( i18n("Version"), i18n("V%1", QString::number( m_certificateInfo->version() )) ) );
33​ m_certificateProperties.append( qMakePair( i18n("Serial Number"), m_certificateInfo->serialNumber().toHex(' ') ) );
34​ m_certificateProperties.append( qMakePair( i18n("Issuer"), m_certificateInfo->issuerInfo(Okular::CertificateInfo::DistinguishedName) ) );
35​ m_certificateProperties.append( qMakePair( i18n("Issued On"), m_certificateInfo->validityStart().toString( QStringLiteral("MMM dd yyyy hh:mm:ss") ) ) );
36​ m_certificateProperties.append( qMakePair( i18n("Expires On"), m_certificateInfo->validityEnd().toString( QStringLiteral("MMM dd yyyy hh:mm:ss") ) ) );
37​ m_certificateProperties.append( qMakePair( i18n("Subject"), m_certificateInfo->subjectInfo(Okular::CertificateInfo::DistinguishedName) ) );
38​ m_certificateProperties.append( qMakePair( i18n("Public Key"), i18n("%1 (%2 bits)", SignatureGuiUtils::getReadablePublicKeyType( m_certificateInfo->publicKeyType() ),
39​ m_certificateInfo->publicKeyStrength()) ) );
40​ m_certificateProperties.append( qMakePair( i18n("Key Usage"), SignatureGuiUtils::getReadableKeyUsage( m_certificateInfo->keyUsageExtensions() ) ) );
41​}
42​
43​
44​int CertificateModel::columnCount( const QModelIndex & ) const
45​{
46​ return 2;
47​}
48​
49​int CertificateModel::rowCount( const QModelIndex & ) const
50​{
51​ return m_certificateProperties.size();
52​}
53​
54​QVariant CertificateModel::data( const QModelIndex &index, int role ) const
55​{
56​ int row = index.row();
57​ if ( !index.isValid() || row < 0 || row >= m_certificateProperties.count() )
58​ return QVariant();
59​
60​ switch ( role )
61​ {
62​ case Qt::DisplayRole:
63​ case Qt::ToolTipRole:
64​ switch ( index.column() )
65​ {
66​ case 0:
67​ return m_certificateProperties[row].first;
68​ case 1:
69​ return m_certificateProperties[row].second;
70​ default:
71​ return QString();
72​ }
73​ case PropertyKeyRole:
74​ return m_certificateProperties[row].first;
75​ case PropertyValueRole:
76​ return m_certificateProperties[row].second;
77​ case PublicKeyRole:
78​ return QString( m_certificateInfo->publicKey().toHex(' ') );
79​ }
80​
81​ return QVariant();
82​}
83​
84​QVariant CertificateModel::headerData( int section, Qt::Orientation orientation, int role ) const
85​{
86​ if ( role == Qt::TextAlignmentRole )
87​ return QVariant( Qt::AlignLeft );
88​
89​ if ( orientation != Qt::Horizontal || role != Qt::DisplayRole)
90​ return QVariant();
91​
92​ switch ( section )
93​ {
94​ case 0:
95​ return i18n("Property");
96​ case 1:
97​ return i18n("Value");
98​ default:
99​ return QVariant();
100​ }
101​}
102​
103​CertificateViewer::CertificateViewer( Okular::CertificateInfo *certInfo, QWidget *parent )
104​ : KPageDialog( parent ), m_certificateInfo( certInfo )
105​{
106​ setModal( true );
107​ setMinimumSize( QSize( 500, 500 ));
108​ setFaceType( Tabbed );
109​ setWindowTitle( i18n("Certificate Viewer") );
110​ setStandardButtons( QDialogButtonBox::Close );
111​
112​ auto exportBtn = new QPushButton( i18n("Export...") );
113​ connect( exportBtn, &QPushButton::clicked, this, &CertificateViewer::exportCertificate );
114​ addActionButton( exportBtn );
115​
116​ // General tab
117​ auto generalPage = new QFrame( this );
118​ addPage( generalPage, i18n("General") );
119​
120​ auto issuerBox = new QGroupBox( i18n("Issued By"), generalPage );
121​ auto issuerFormLayout = new QFormLayout( issuerBox );
122​ issuerFormLayout->setLabelAlignment( Qt::AlignLeft );
123​ issuerFormLayout->addRow( i18n("Common Name(CN)"), new QLabel( m_certificateInfo->issuerInfo( Okular::CertificateInfo::CommonName ) ) );
124​ issuerFormLayout->addRow( i18n("EMail"), new QLabel( m_certificateInfo->issuerInfo( Okular::CertificateInfo::EmailAddress ) ) );
125​ issuerFormLayout->addRow( i18n("Organization(O)"), new QLabel( m_certificateInfo->issuerInfo( Okular::CertificateInfo::Organization ) ) );
126​
127​ auto subjectBox = new QGroupBox( i18n("Issued To"), generalPage );
128​ auto subjectFormLayout = new QFormLayout( subjectBox );
129​ subjectFormLayout->setLabelAlignment( Qt::AlignLeft );
130​ subjectFormLayout->addRow( i18n("Common Name(CN)"), new QLabel( m_certificateInfo->subjectInfo( Okular::CertificateInfo::CommonName ) ) );
131​ subjectFormLayout->addRow( i18n("EMail"), new QLabel( m_certificateInfo->subjectInfo( Okular::CertificateInfo::EmailAddress ) ) );
132​ subjectFormLayout->addRow( i18n("Organization(O)"), new QLabel( m_certificateInfo->subjectInfo( Okular::CertificateInfo::Organization ) ) );
133​
134​ auto validityBox = new QGroupBox( i18n("Validity"), generalPage );
135​ auto validityFormLayout = new QFormLayout( validityBox );
136​ validityFormLayout->setLabelAlignment( Qt::AlignLeft );
137​ validityFormLayout->addRow( i18n("Issued On"), new QLabel( m_certificateInfo->validityStart().toString( QStringLiteral("MMM dd yyyy hh:mm:ss") ) ) );
138​ validityFormLayout->addRow( i18n("Expires On"), new QLabel( m_certificateInfo->validityEnd().toString( QStringLiteral("MMM dd yyyy hh:mm:ss") ) ) );
139​
140​ auto fingerprintBox = new QGroupBox( i18n("Fingerprints"), generalPage );
141​ auto fingerprintFormLayout = new QFormLayout( fingerprintBox );
142​ fingerprintFormLayout->setLabelAlignment( Qt::AlignLeft );
143​ QByteArray certData = m_certificateInfo->certificateData();
144​ auto sha1Label = new QLabel( QString( QCryptographicHash::hash( certData, QCryptographicHash::Sha1 ).toHex(' ') ) );
145​ sha1Label->setWordWrap( true );
146​ auto sha256Label = new QLabel( QString( QCryptographicHash::hash( certData, QCryptographicHash::Sha256 ).toHex(' ') ) );
147​ sha256Label->setWordWrap( true );
148​ fingerprintFormLayout->addRow( i18n("SHA-1 Fingerprint"), sha1Label );
149​ fingerprintFormLayout->addRow( i18n("SHA-256 Fingerprint"), sha256Label );
150​
151​ auto generalPageLayout = new QVBoxLayout( generalPage );
152​ generalPageLayout->addWidget( issuerBox );
153​ generalPageLayout->addWidget( subjectBox );
154​ generalPageLayout->addWidget( validityBox );
155​ generalPageLayout->addWidget( fingerprintBox );
156​
157​ //force column 1 to have same width
158​ auto resizer = new KColumnResizer( this );
159​ resizer->addWidgetsFromLayout( issuerBox->layout(), 0 );
160​ resizer->addWidgetsFromLayout( subjectBox->layout(), 0 );
161​ resizer->addWidgetsFromLayout( validityBox->layout(), 0 );
162​ resizer->addWidgetsFromLayout( fingerprintBox->layout(), 0 );
163​
164​ // Details tab
165​ auto detailsFrame = new QFrame( this );
166​ addPage( detailsFrame, i18n("Details") );
167​ auto certDataLabel = new QLabel( i18n("Certificate Data:") );
168​ auto certTree = new QTreeView( this );
169​ certTree->setIndentation( 0 );
170​ m_certificateModel = new CertificateModel( m_certificateInfo, this );
171​ certTree->setModel( m_certificateModel );
172​ //QItemSelectionModel::currentChanged because QTreeView::activated only works for mouse.
173​ connect( certTree->selectionModel(), &QItemSelectionModel::currentChanged, this, &CertificateViewer::updateText );
174​ m_propertyText = new QTextEdit( this );
175​ m_propertyText->setReadOnly( true );
176​
177​ auto detailsPageLayout = new QVBoxLayout( detailsFrame );
178​ detailsPageLayout->addWidget( certDataLabel );
179​ detailsPageLayout->addWidget( certTree );
180​ detailsPageLayout->addWidget( m_propertyText );
181​}
182​
183​void CertificateViewer::updateText( const QModelIndex &index )
184​{
185​ QString key = m_certificateModel->data( index, CertificateModel::PropertyKeyRole ).toString();
186​ if ( key == QLatin1String("Public Key") )
187​ m_propertyText->setText( m_certificateModel->data( index, CertificateModel::PublicKeyRole ).toString() );
188​ else
189​ {
190​ const QString propertyValue = m_certificateModel->data( index, CertificateModel::PropertyValueRole ).toString();
191​ QString textToView;
192​ foreach ( auto c, propertyValue )
193​ {
194​ if ( c == ',' )
195​ textToView += '\n';
196​ else
197​ textToView += c;
198​ }
199​ m_propertyText->setText( textToView );
200​ }
201​}
202​
203​void CertificateViewer::exportCertificate()
204​{
205​ const QString caption = i18n("Where do you want to save this certificate?");
206​ const QString path = QFileDialog::getSaveFileName( this, caption, QStringLiteral("Certificate.cer"), i18n("Certificate File (*.cer)") );
207​ if ( !path.isEmpty() )
208​ {
209​ QFile targetFile( path );
210​ targetFile.open( QIODevice::WriteOnly );
211​ if ( targetFile.write( m_certificateInfo->certificateData() ) == -1 )
212​ {
213​ KMessageBox::error( this, i18n("Unable to export certificate!") );
214​ }
215​ targetFile.close();
216​ }
217​}