refs #497 Login component integrated with authentication service

src/blackcore/databaseauthentication.cpp

@@ -0,0 +1,146 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "databaseauthentication.h"
+#include "blackmisc/network/networkutils.h"
+#include "blackmisc/network/url.h"
+#include "blackmisc/logmessage.h"
+
+#include <QString>
+#include <QUrlQuery>
+#include <QJsonDocument>
+#include <QHttpPart>
+#include <QHttpMultiPart>
+
+using namespace BlackMisc;
+using namespace BlackMisc::Network;
+
+namespace BlackCore
+{
+    CDatabaseAuthenticationService::CDatabaseAuthenticationService(QObject *parent) :
+        QObject(parent),
+        m_networkManager(new QNetworkAccessManager(this))
+    {
+        this->connect(this->m_networkManager, &QNetworkAccessManager::finished, this, &CDatabaseAuthenticationService::ps_parseServerResponse);
+    }
+
+    const Network::CAuthenticatedUser &CDatabaseAuthenticationService::getUser() const
+    {
+        return m_user;
+    }
+
+    void CDatabaseAuthenticationService::gracefulShutdown()
+    {
+        if (this->m_shutdown) { return; }
+        this->m_shutdown = true;
+        this->logoff();
+    }
+
+    BlackMisc::CStatusMessageList CDatabaseAuthenticationService::login(const QString &username, const QString &password)
+    {
+        CStatusMessageList msgs;
+        static const CLogCategoryList cats(CLogCategoryList(this).join({ CLogCategory::validation()}));
+
+        if (this->m_shutdown) { msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "Shutdown in progress")); return msgs; }
+
+        QString un(username.trimmed());
+        QString pw(password.trimmed());
+        if (un.isEmpty()) { msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "No user name/id")); }
+        if (pw.isEmpty()) { msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "No password")); }
+        if (!msgs.isEmpty()) { return msgs; }
+
+        CUrl url(this->m_setup.get().dbLoginService());
+        QString msg;
+        if (!CNetworkUtils::canConnect(url, msg))
+        {
+            msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, msg));
+            return msgs;
+        }
+
+        QUrlQuery params;
+        params.addQueryItem("username", un);
+        params.addQueryItem("password", pw);
+        if (m_setup.get().dbDebugFlag()) { CNetworkUtils::addDebugFlag(params); }
+
+        QString query = params.toString();
+        QNetworkRequest request(CNetworkUtils::getNetworkRequest(url, CNetworkUtils::PostUrlEncoded));
+        QNetworkReply *r = this->m_networkManager->post(request, query.toUtf8());
+        if (!r)
+        {
+            QString rm("Cannot send request to authentication server %1");
+            msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, rm.arg(url.toQString())));
+        }
+        else
+        {
+            QString rm("Sent request to authentication server %1");
+            msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityInfo, rm.arg(url.toQString())));
+        }
+        return msgs;
+    }
+
+    void CDatabaseAuthenticationService::logoff()
+    {
+        CUrl url(this->m_setup.get().dbLoginService());
+        url.setQuery("logoff=true");
+        QNetworkRequest request(CNetworkUtils::getNetworkRequest(url));
+        this->m_networkManager->get(request);
+    }
+
+    void CDatabaseAuthenticationService::ps_parseServerResponse(QNetworkReply *nwReplyPtr)
+    {
+        // always cleanup reply
+        QScopedPointer<QNetworkReply, QScopedPointerDeleteLater> nwReply(nwReplyPtr);
+
+        if (this->m_shutdown) { return; }
+        QString urlString(nwReply->url().toString());
+        if (urlString.toLower().contains("logoff"))
+        {
+            emit logoffFinished();
+            return;
+        }
+
+        if (nwReply->error() == QNetworkReply::NoError)
+        {
+            QString json(nwReply->readAll());
+            if (json.isEmpty())
+            {
+                CLogMessage(this).error("Authentication failed, no response from %1") << urlString;
+                return;
+            }
+            QJsonObject jsonObj(Json::jsonObjectFromString(json));
+            CAuthenticatedUser user(CAuthenticatedUser::fromDatabaseJson(jsonObj));
+
+            CStatusMessageList msgs;
+            static const CLogCategoryList cats(CLogCategoryList(this).join({ CLogCategory::validation()}));
+
+            if (!user.isAuthenticated() || !user.isValid())
+            {
+                msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "Cannot login, user or password wrong"));
+            }
+            else
+            {
+                if (!user.isEnabled())
+                {
+                    msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "User is disabled"));
+                }
+                if (user.getRoles().isEmpty())
+                {
+                    msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "User has no roles"));
+                }
+            }
+            emit userAuthenticationFinished(user, msgs);
+        }
+        else
+        {
+            CLogMessage(this).error("Authentication failed, %1") << nwReply->errorString();
+            return;
+        }
+    }
+
+} // namespace

src/blackcore/databaseauthentication.h

@@ -0,0 +1,66 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#ifndef BLACKCORE_DATABASE_USER_H
+#define BLACKCORE_DATABASE_USER_H
+
+//! \file
+
+#include "blackcore/blackcoreexport.h"
+#include "blackmisc/network/authenticateduser.h"
+#include "blackcore/data/globalsetup.h"
+#include "blackmisc/statusmessagelist.h"
+
+#include <QString>
+#include <QNetworkReply>
+
+namespace BlackCore
+{
+    //! Databse user used with swift DB. Features role and cookie handling.
+    class BLACKCORE_EXPORT  CDatabaseAuthenticationService: public QObject
+    {
+        Q_OBJECT
+
+    public:
+        //! Constructor
+        CDatabaseAuthenticationService(QObject *parent = nullptr);
+
+        //! Get the user
+        const BlackMisc::Network::CAuthenticatedUser &getUser() const;
+
+        //! Shutdown
+        void gracefulShutdown();
+
+    public slots:
+        //! Try to login to authentication web service
+        BlackMisc::CStatusMessageList login(const QString &id, const QString &password);
+
+        //! Logoff
+        void logoff();
+
+    signals:
+        //! User authenticated
+        void userAuthenticationFinished(const BlackMisc::Network::CAuthenticatedUser &user, const BlackMisc::CStatusMessageList &loginStatus);
+
+        //! Logoff completed
+        void logoffFinished();
+
+    private slots:
+        //! Parse login answer
+        void ps_parseServerResponse(QNetworkReply *nwReplyPtr);
+
+    private:
+        BlackMisc::Network::CAuthenticatedUser m_user;
+        CData<BlackCore::Data::GlobalSetup>    m_setup {this}; //!< data cache
+        QNetworkAccessManager                 *m_networkManager = nullptr;
+        bool                                   m_shutdown = false;
+    };
+} // namespace
+
+#endif // guard