/* * Copyright (C) by Daniel Molkentin * * 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; version 2 of the License. * * 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. */ #include "sslbutton.h" #include "account.h" #include "accountstate.h" #include "utility.h" #include "theme.h" #include #include #include #include #include #include namespace OCC { SslButton::SslButton(QWidget *parent) : QToolButton(parent) { setPopupMode(QToolButton::InstantPopup); setAutoRaise(true); _menu = new QMenu(this); QObject::connect(_menu, SIGNAL(aboutToShow()), this, SLOT(slotUpdateMenu())); } QString SslButton::protoToString(QSsl::SslProtocol proto) { switch(proto) { break; case QSsl::SslV2: return QLatin1String("SSL v2"); case QSsl::SslV3: return QLatin1String("SSL v3"); case QSsl::TlsV1: return QLatin1String("TLS"); default: return QString(); } } static QString addCertDetailsField(const QString &key, const QString &value) { if (value.isEmpty()) return QString(); return QString::fromLatin1("%1%2").arg(key).arg(value); } // necessary indication only, not sufficient for primary validation! static bool isSelfSigned(const QSslCertificate &certificate) { return certificate.issuerInfo(QSslCertificate::CommonName) == certificate.subjectInfo(QSslCertificate::CommonName) && certificate.issuerInfo(QSslCertificate::OrganizationalUnitName) == certificate.subjectInfo(QSslCertificate::OrganizationalUnitName); } QMenu* SslButton::buildCertMenu(QMenu *parent, const QSslCertificate& cert, const QList& userApproved, int pos) { QString cn = QStringList(cert.subjectInfo(QSslCertificate::CommonName)).join(QChar(';')); QString ou = QStringList(cert.subjectInfo(QSslCertificate::OrganizationalUnitName)).join(QChar(';')); QString org = QStringList(cert.subjectInfo(QSslCertificate::Organization)).join(QChar(';')); QString country = QStringList(cert.subjectInfo(QSslCertificate::CountryName)).join(QChar(';')); QString state = QStringList(cert.subjectInfo(QSslCertificate::StateOrProvinceName)).join(QChar(';')); QString issuer = QStringList(cert.issuerInfo(QSslCertificate::CommonName)).join(QChar(';')); if (issuer.isEmpty()) issuer = QStringList(cert.issuerInfo(QSslCertificate::OrganizationalUnitName)).join(QChar(';')); QString sha1 = Utility::formatFingerprint(cert.digest(QCryptographicHash::Sha1).toHex(), false); #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0) QString md5 = Utility::formatFingerprint(cert.digest(QCryptographicHash::Md5).toHex(), false); #else QByteArray sha265hash = cert.digest(QCryptographicHash::Sha256).toHex(); QString sha256escaped = Utility::escape(Utility::formatFingerprint(sha265hash.left(sha265hash.length()/2), false)) + QLatin1String("
") + Utility::escape(Utility::formatFingerprint(sha265hash.mid(sha265hash.length()/2), false)); #endif QString serial = QString::fromUtf8(cert.serialNumber()); QString effectiveDate = cert.effectiveDate().date().toString(); QString expiryDate = cert.expiryDate().date().toString(); QString sna = QStringList(cert.alternateSubjectNames().values()).join(" "); QString details; QTextStream stream(&details); stream << QLatin1String(""); stream << tr("

Certificate Details

"); stream << QLatin1String(""); stream << addCertDetailsField(tr("Common Name (CN):"), Utility::escape(cn)); stream << addCertDetailsField(tr("Subject Alternative Names:"), Utility::escape(sna) .replace(" ", "
")); stream << addCertDetailsField(tr("Organization (O):"), Utility::escape(org)); stream << addCertDetailsField(tr("Organizational Unit (OU):"), Utility::escape(ou)); stream << addCertDetailsField(tr("State/Province:"), Utility::escape(state)); stream << addCertDetailsField(tr("Country:"), Utility::escape(country)); stream << addCertDetailsField(tr("Serial:"), Utility::escape(serial)); stream << QLatin1String("

"); stream << tr("

Issuer

"); stream << QLatin1String(""); stream << addCertDetailsField(tr("Issuer:"), Utility::escape(issuer)); stream << addCertDetailsField(tr("Issued on:"), Utility::escape(effectiveDate)); stream << addCertDetailsField(tr("Expires on:"), Utility::escape(expiryDate)); stream << QLatin1String("

"); stream << tr("

Fingerprints

"); stream << QLatin1String(""); #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0) stream << addCertDetailsField(tr("MD 5:"), Utility::escape(md5)); #else stream << addCertDetailsField(tr("SHA-256:"), sha256escaped); #endif stream << addCertDetailsField(tr("SHA-1:"), Utility::escape(sha1)); stream << QLatin1String("

"); if (userApproved.contains(cert)) { stream << tr("

Note: This certificate was manually approved

"); } stream << QLatin1String(""); QString txt; if (pos > 0) { txt += QString(2*pos, ' '); if (!Utility::isWindows()) { // doesn't seem to work reliably on Windows txt += QChar(0x21AA); // nicer '->' symbol txt += QChar(' '); } } QString certId = cn.isEmpty() ? ou : cn; if (QSslSocket::systemCaCertificates().contains(cert)) { txt += certId; } else { if (isSelfSigned(cert)) { txt += tr("%1 (self-signed)").arg(certId); } else { txt += tr("%1").arg(certId); } } // create label first QLabel *label = new QLabel(parent); label->setStyleSheet(QLatin1String("QLabel { padding: 8px; background-color: #fff; }")); label->setText(details); // plug label into widget action QWidgetAction *action = new QWidgetAction(parent); action->setDefaultWidget(label); // plug action into menu QMenu *menu = new QMenu(parent); menu->menuAction()->setText(txt); menu->addAction(action); return menu; } void SslButton::updateAccountState(AccountState *accountState) { if (!accountState || !accountState->isConnected()) { setVisible(false); return; } else { setVisible(true); } _accountState = accountState; AccountPtr account = _accountState->account(); if (account->url().scheme() == QLatin1String("https")) { setIcon(QIcon(QLatin1String(":/client/resources/lock-https.png"))); QSslCipher cipher = account->_sessionCipher; setToolTip(tr("This connection is encrypted using %1 bit %2.\n").arg(cipher.usedBits()).arg(cipher.name())); setMenu(_menu); } else { setIcon(QIcon(QLatin1String(":/client/resources/lock-http.png"))); setToolTip(tr("This connection is NOT secure as it is not encrypted.\n")); setMenu(0); } } void SslButton::slotUpdateMenu() { _menu->clear(); if (!_accountState) { return; } AccountPtr account = _accountState->account(); if (account->url().scheme() == QLatin1String("https")) { QString sslVersion = account->_sessionCipher.protocolString() + ", " + account->_sessionCipher.authenticationMethod() + ", " + account->_sessionCipher.keyExchangeMethod() + ", " + account->_sessionCipher.encryptionMethod(); _menu->addAction(sslVersion)->setEnabled(false); #if QT_VERSION > QT_VERSION_CHECK(5, 2, 0) if (account->_sessionTicket.isEmpty()) { _menu->addAction(tr("No support for SSL session tickets/identifiers"))->setEnabled(false); } #endif QList chain = account->_peerCertificateChain; if (chain.isEmpty()) { qWarning() << "empty certificate chain"; return; } _menu->addAction(tr("Certificate information:"))->setEnabled(false); QList tmpChain; foreach(QSslCertificate cert, chain) { tmpChain << cert; if (QSslSocket::systemCaCertificates().contains(cert)) break; } chain = tmpChain; // find trust anchor (informational only, verification is done by QSslSocket!) foreach(QSslCertificate rootCA, QSslSocket::systemCaCertificates()) { if (rootCA.issuerInfo(QSslCertificate::CommonName) == chain.last().issuerInfo(QSslCertificate::CommonName) && rootCA.issuerInfo(QSslCertificate::Organization) == chain.last().issuerInfo(QSslCertificate::Organization)) { chain.append(rootCA); break; } } QListIterator it(chain); it.toBack(); int i = 0; while (it.hasPrevious()) { _menu->addMenu(buildCertMenu(_menu, it.previous(), account->approvedCerts(), i)); i++; } } } } // namespace OCC