OAuth2Authenticator.h++

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#ifndef __libquark_oauth2_OAuth2Authenticator_hxx
#define __libquark_oauth2_OAuth2Authenticator_hxx

#include <QByteArray>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QString>
#include <QStringList>
#include <QUrl>

#include <quark/Quark.h++>
#include <quark/OAuth2AccessToken.h++>

namespace quark {
namespace oauth2 {

class LIBQUARK_API OAuth2Authenticator : public QObject
{
  Q_OBJECT;

  public:

  OAuth2Authenticator(QNetworkAccessManager *networkAccess,
                      const QString &clientID,
                      const QString &clientSecret,
                      QObject *parent = NULL);

  virtual ~OAuth2Authenticator();

  QUrl buildAuthUrl(const QStringList &authScopes);

  bool requestAccessToken(const QString &authorizationCode);

  bool renewAccessToken(const QString &refreshToken);

  OAuth2AccessToken accessToken() const
  { return(_accessToken); }

  signals:

  void accessTokenError(const QString &error);

  void accessTokenReceived();

  private slots:

  void processPostReply();
  void processPostError(QNetworkReply::NetworkError);

  private:

  void performPost(const QUrl &url, const QByteArray &postData);

  QNetworkAccessManager *_networkAccess;
  QString _clientID;
  QString _clientSecret;
  QString _codeVerifier;
  OAuth2AccessToken _accessToken;
  QString _refreshToken;
  bool _requestInProgress;
};

} // namespace oauth2
} // namespace quark

#endif // __libquark_oauth2_OAuth2Authenticator_hxx