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Add unique but random UUID to server queries

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With this we can easily eliminate duplicates from our user statistics. The
UUID is completely random and there is no way to link it back to a
specific user. By deleting the settings a user can force a new UUID.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-01-25 11:27:42 -08:00
parent ed9a060d76
commit 0f967063c0
3 changed files with 22 additions and 1 deletions
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20
qt-ui/updatemanager.cpp
View file

@ -2,6 +2,7 @@
#include "usersurvey.h"
#include <QtNetwork>
#include <QMessageBox>
#include <QUuid>
#include "subsurfacewebservices.h"
#include "ssrf-version.h"
#include "mainwindow.h"
@ -47,7 +48,8 @@ void UpdateManager::checkForUpdates(bool automatic)
#endif
isAutomaticCheck = automatic;
QString version = CANONICAL_VERSION_STRING;
QString url = QString("http://subsurface-divelog.org/updatecheck.html?os=%1&version=%2").arg(os, version);
QString uuidString = getUUID();
QString url = QString("http://subsurface-divelog.org/updatecheck.html?os=%1&version=%2&uuid=%3").arg(os, version, uuidString);
QNetworkRequest request;
request.setUrl(url);
request.setRawHeader("Accept", "text/xml");
@ -56,6 +58,22 @@ void UpdateManager::checkForUpdates(bool automatic)
connect(SubsurfaceWebServices::manager()->get(request), SIGNAL(finished()), this, SLOT(requestReceived()), Qt::UniqueConnection);
}
QString UpdateManager::getUUID()
{
QString uuidString;
QSettings settings;
settings.beginGroup("UpdateManager");
if (settings.contains("UUID")) {
uuidString = settings.value("UUID").toString();
} else {
QUuid uuid = QUuid::createUuid();
uuidString = uuid.toString();
settings.setValue("UUID", uuidString);
}
uuidString.replace("{", "").replace("}", "");
return uuidString;
}
void UpdateManager::requestReceived()
{
bool haveNewVersion = false;

1
qt-ui/updatemanager.h
View file

@ -11,6 +11,7 @@ class UpdateManager : public QObject {
public:
explicit UpdateManager(QObject *parent = 0);
void checkForUpdates(bool automatic = false);
static QString getUUID();
public
slots:

2
qt-ui/usersurvey.cpp
View file

@ -6,6 +6,7 @@
#include "ui_usersurvey.h"
#include "ssrf-version.h"
#include "subsurfacewebservices.h"
#include "updatemanager.h"
#include "helpers.h"
#include "subsurfacesysinfo.h"
@ -30,6 +31,7 @@ UserSurvey::UserSurvey(QWidget *parent) : QDialog(parent),
os.append(QString("&osCpuArch=%1").arg(osArch));
}
os.append(QString("&uiLang=%1").arg(uiLanguage(NULL)));
os.append(QString("&uuid=%1").arg(UpdateManager::getUUID()));
ui->system->setPlainText(getVersion());
}