HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · core/src/Network/Downloader.cpp

Really basic implementation of Downloader which might replace current...

Really basic implementation of Downloader which might replace current NetworkController It is currently really basic, it only does synchronous DLs with or without authentication. It is written to isolate as much as possible Qt Network classes. Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

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             Downloader.cpp
        
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             / core / src / Network / Downloader.cpp
          
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      #include <Network/Downloader.h>

      #include <memory>

      #include <QNetworkRequest>

      #include <QNetworkReply>

      #include <QNetworkAccessManager>

      #include <QAuthenticator>

      #include <QVariant>

      #include <QHash>

      #include <QPair>

      #include <QCoreApplication>

      class Downloader::p_Downloader

      {

          using login_pair=QPair<QString,QString>;

          QNetworkAccessManager manager;

          QHash<QString,login_pair> auth;

      public:

          explicit p_Downloader()

          {

              auto login_bambda = [this](QNetworkReply * reply, QAuthenticator * authenticator)

              {

                  if(auth.contains(reply->url().toString()))

                  {

                      auto login = auth[reply->url().toString()];

                      authenticator->setUser(login.first);

                      authenticator->setPassword(login.second);

                  }

              };

              QObject::connect(&manager, &QNetworkAccessManager::authenticationRequired, login_bambda);

          }

          Response get(const QString& url, const QString &user="", const QString &passwd="")

          {

              QNetworkRequest request;

              request.setUrl(QUrl(url));

              request.setRawHeader("User-Agent", "SciQLop 1.0");

              if(user!="" and passwd!="")

              {

                  //might grow quickly since we can have tons of URLs for the same host

                  auth[url]=login_pair(user,passwd);

                  QString login = "Basic "+user+":"+passwd;

                  request.setRawHeader("Authorization",login.toLocal8Bit());

              }

              QNetworkReply *reply = manager.get(request);

              while (!reply->isFinished())

                  QCoreApplication::processEvents();

              QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);

              return Response(reply->readAll(), status_code.toInt());

          }

      };

      Response Downloader::get(const QString &url)

      {

          return  Downloader::instance().impl->get(url);

      }

      Response Downloader::get(const QString &url, const QString &user, const QString &passwd)

      {

          return  Downloader::instance().impl->get(url, user, passwd);

      }

      Downloader::Downloader()

          :impl(spimpl::make_unique_impl<p_Downloader>())

      {

      }

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				#include <Network/Downloader.h>
				#include <memory>

				#include <QNetworkRequest>
				#include <QNetworkReply>
				#include <QNetworkAccessManager>
				#include <QAuthenticator>
				#include <QVariant>
				#include <QHash>
				#include <QPair>
				#include <QCoreApplication>

				class Downloader::p_Downloader
				{
				using login_pair=QPair<QString,QString>;
				QNetworkAccessManager manager;
				QHash<QString,login_pair> auth;

				public:
				explicit p_Downloader()
				{

				auto login_bambda = [this](QNetworkReply * reply, QAuthenticator * authenticator)
				{
				if(auth.contains(reply->url().toString()))
				{
				auto login = auth[reply->url().toString()];
				authenticator->setUser(login.first);
				authenticator->setPassword(login.second);
				}
				};
				QObject::connect(&manager, &QNetworkAccessManager::authenticationRequired, login_bambda);
				}

				Response get(const QString& url, const QString &user="", const QString &passwd="")
				{
				QNetworkRequest request;
				request.setUrl(QUrl(url));
				request.setRawHeader("User-Agent", "SciQLop 1.0");
				if(user!="" and passwd!="")
				{
				//might grow quickly since we can have tons of URLs for the same host
				auth[url]=login_pair(user,passwd);
				QString login = "Basic "+user+":"+passwd;
				request.setRawHeader("Authorization",login.toLocal8Bit());
				}
				QNetworkReply *reply = manager.get(request);
				while (!reply->isFinished())
				QCoreApplication::processEvents();
				QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
				return Response(reply->readAll(), status_code.toInt());
				}
				};

				Response Downloader::get(const QString &url)
				{
				return Downloader::instance().impl->get(url);
				}

				Response Downloader::get(const QString &url, const QString &user, const QString &passwd)
				{
				return Downloader::instance().impl->get(url, user, passwd);
				}

				Downloader::Downloader()
				:impl(spimpl::make_unique_impl<p_Downloader>())
				{
				}