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/****************************************************************************
**
** Copyright (C) 2024 Damien Caliste
** Contact: Damien Caliste <dcaliste@free.fr>
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qmaillog.h>
#include "ssomanager.h"
#include <oauth2data.h>
SSOManager::SSOManager(QObject *parent)
: QMailCredentialsInterface(parent)
{
}
SSOManager::~SSOManager()
{
deinit();
}
bool SSOManager::init(uint credentialsId, const QString &method,
const QString &mechanism, const QVariantMap ¶meters)
{
if (m_credentialIds != credentialsId) {
deinit();
}
m_credentialIds = credentialsId;
m_errorMessage.clear();
if (m_status != Invalid) {
m_status = Invalid;
emit statusChanged();
}
// Save the username, SSO may return an empty string sometimes.
m_username = parameters.value(QStringLiteral("UserName")).toString();
if (!m_identity) {
m_identity = SignOn::Identity::existingIdentity(credentialsId, this);
if (m_identity) {
connect(m_identity, &SignOn::Identity::methodsAvailable,
[this, mechanism, parameters] (const QStringList &methods) {
if (methods.isEmpty()) {
qMailLog(Messaging) << "No method available for credentialsId:" << m_identity->id();
} else {
if (methods.size() > 1) {
qMailLog(Messaging) << "Several methods available for credentialsId:" << m_identity->id();
}
start(methods.first(), mechanism, parameters);
}
});
}
}
if (!m_identity) {
qMailLog(Messaging) << "No such credential id:" << credentialsId;
m_errorMessage = QLatin1String("invalid SSO credential id.");
return false;
}
if (method.isEmpty()) {
m_identity->queryAvailableMethods();
return true;
} else {
return start(method, mechanism, parameters);
}
}
bool SSOManager::start(const QString &method, const QString &mechanism,
const QVariantMap ¶meters)
{
if (!m_identity) {
return false;
}
// Session was already started with a different method.
if (m_session && m_session->name() != method) {
m_identity->destroySession(m_session);
m_session = nullptr;
}
SignOn::SessionData sessionData(parameters);
if (!m_session) {
m_session = m_identity->createSession(method);
if (m_session) {
connect(m_session, &SignOn::AuthSession::response,
this, &SSOManager::onResponse);
connect(m_session, &SignOn::AuthSession::error,
this, &SSOManager::onError);
}
} else if (method == QLatin1String("oauth2")) {
// A session already exists, but a request for
// data is again desired. It means that the use
// of the previous credentials failed. Try to
// refresh the access token.
OAuth2PluginNS::OAuth2PluginData oauth2Data
= sessionData.data<OAuth2PluginNS::OAuth2PluginData>();
oauth2Data.setForceTokenRefresh(true);
sessionData = oauth2Data;
}
if (m_session) {
sessionData.setUiPolicy(SignOn::NoUserInteractionPolicy);
m_session->process(sessionData, mechanism);
m_status = Fetching;
emit statusChanged();
}
return m_session != nullptr;
}
void SSOManager::deinit()
{
if (m_identity) {
if (m_session)
m_identity->destroySession(m_session);
m_session = nullptr;
delete m_identity;
m_identity = nullptr;
}
m_credentialIds = 0;
m_status = Invalid;
}
QMailCredentialsInterface::Status SSOManager::status() const
{
return m_status;
}
QString SSOManager::lastError() const
{
return m_errorMessage;
}
QString SSOManager::username() const
{
if (m_status == Ready) {
return !m_sessionData.UserName().isEmpty() ? m_sessionData.UserName() : m_username;
} else {
return QString();
}
}
QString SSOManager::password() const
{
return m_status == Ready && m_session->name() == QLatin1String("password")
? m_sessionData.Secret() : QString();
}
QString SSOManager::accessToken() const
{
if (m_status == Ready && m_session->name() == QLatin1String("oauth2")) {
OAuth2PluginNS::OAuth2PluginTokenData oauth2Data
= m_sessionData.data<OAuth2PluginNS::OAuth2PluginTokenData>();
return oauth2Data.AccessToken();
} else {
return QString();
}
}
void SSOManager::onResponse(const SignOn::SessionData &sessionData)
{
m_status = Ready;
m_sessionData = sessionData;
emit statusChanged();
}
void SSOManager::onError(const SignOn::Error &code)
{
m_status = Failed;
m_errorMessage = QString::fromLatin1("SSO error %1: %2").arg(code.type()).arg(code.message());
if (code.type() == SignOn::Error::InvalidCredentials
|| code.type() == SignOn::Error:: UserInteraction) {
invalidate();
}
emit statusChanged();
}
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