httpnode.hpp

/* Copyright (c) 2014-2015, The Nuria Project
 * The NuriaProject Framework is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * The NuriaProject Framework 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with The NuriaProject Framework.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NURIA_HTTPNODE_HPP
#define NURIA_HTTPNODE_HPP

#include "network_global.hpp"
#include "httpclient.hpp"
#include <nuria/callback.hpp>
#include <QSharedData>
#include <QObject>
#include <QDir>

namespace Nuria {

class HttpNodePrivate;
class SlotInfoPrivate;
class HttpServer;
class HttpNode;

class NURIA_NETWORK_EXPORT SlotInfo {
public:
        
        SlotInfo (const Callback &callback = Callback ());
        
        SlotInfo (const SlotInfo &other);
        
        SlotInfo &operator= (const SlotInfo &other);
        
        ~SlotInfo ();
        
        bool isValid () const;
        
        Callback callback () const;
        
        bool streamPostBody () const;
        
        void setStreamPostBody (bool value);
        
        HttpClient::HttpVerbs allowedVerbs () const;
        
        void setAllowedVerbs (HttpClient::HttpVerbs verbs);
        
        qint64 maxBodyLength () const;
        
        void setMaxBodyLength (qint64 length);
        
        bool forceEncrypted () const;
        
        void setForceEncrypted (bool force);
        
private:
        friend class HttpNode;
        
        // 
        QSharedDataPointer< SlotInfoPrivate > d;
        
};

typedef QList< HttpNode * > HttpNodeList;

class NURIA_NETWORK_EXPORT HttpNode : public QObject {
        Q_OBJECT
public:
        
        enum StaticResourcesMode {
                
                NoStaticResources = 0,
                
                UseStaticResources = 1,
                
                UseNestedStaticResources = 2
                
        };
        
        HttpNode (const QString &resourceName, HttpNode *parent = 0);
        
        HttpNode (QObject *parent = 0);
        
        ~HttpNode ();
        
        bool isChild () const;
        
        HttpNode *parentNode () const;
        
        SlotInfo connectSlot (const QString &name, const Callback &callback);
        
        SlotInfo connectSlot (const QString &name, QObject *receiver, const char *slot);
        
        bool disconnectSlot (const QString &name);
        
        bool addNode (HttpNode *node);
        
        const QString &resourceName () const;
        
        const QDir &staticResourceDir () const;
        
        StaticResourcesMode staticResourceMode () const;
        
        bool setResourceName (const QString &name);
        
        void setStaticResourceDir (QDir path);
        
        void setStaticResourceMode (StaticResourcesMode mode);
        
        bool hasNode (const QString &name);
        
        bool hasSlot (const QString &name);
        
        HttpNode *findNode (const QString &name) const;
        
protected:
        
        virtual bool invokePath (const QString &path, const QStringList &parts,
                                 int index, HttpClient *client);
        
        virtual bool allowAccessToClient (const QString &path, const QStringList &parts,
                                          int index, HttpClient *client);
        
        virtual bool callSlotByName (const QString &name, HttpClient *client);
        
        bool sendStaticResource (const QString &name, HttpClient *client);
        
        bool sendStaticResource (const QStringList &path, int indexInPath,
                                 HttpClient *client);
        
private:
        friend class HttpServer;
        friend class HttpClient;
        
        static bool callSlot (const SlotInfo &info, HttpClient *client);
        
        // 
        HttpNodePrivate *d_ptr;
        
};
}

#endif // NURIA_HTTPNODE_HPP