mirror of
https://github.com/subsurface/subsurface.git
synced 2024-11-28 13:10:19 +00:00
9c49f8924b
Awesome diving location does not rhyme with small Internet latency. Signed-off-by: Gaetan Bisson <bisson@archlinux.org> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
#include <QObject>
|
|
#include <QTimer>
|
|
#include <QNetworkAccessManager>
|
|
#include <QNetworkReply>
|
|
#include <QEventLoop>
|
|
|
|
#include "pref.h"
|
|
#include "helpers.h"
|
|
|
|
#include "checkcloudconnection.h"
|
|
|
|
|
|
CheckCloudConnection::CheckCloudConnection(QObject *parent) :
|
|
QObject(parent),
|
|
reply(0)
|
|
{
|
|
|
|
}
|
|
|
|
#define TEAPOT "/make-latte?number-of-shots=3"
|
|
#define HTTP_I_AM_A_TEAPOT 418
|
|
#define MILK "Linus does not like non-fat milk"
|
|
bool CheckCloudConnection::checkServer()
|
|
{
|
|
QTimer timer;
|
|
timer.setSingleShot(true);
|
|
QEventLoop loop;
|
|
QNetworkRequest request;
|
|
request.setRawHeader("Accept", "text/plain");
|
|
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
|
|
request.setUrl(QString(prefs.cloud_base_url) + TEAPOT);
|
|
QNetworkAccessManager *mgr = new QNetworkAccessManager();
|
|
reply = mgr->get(request);
|
|
connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
|
|
connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
|
|
connect(reply, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(sslErrors(QList<QSslError>)));
|
|
timer.start(5000); // wait five seconds
|
|
loop.exec();
|
|
if (timer.isActive()) {
|
|
// didn't time out, did we get the right response?
|
|
timer.stop();
|
|
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == HTTP_I_AM_A_TEAPOT &&
|
|
reply->readAll() == QByteArray(MILK)) {
|
|
reply->deleteLater();
|
|
mgr->deleteLater();
|
|
if (verbose > 1)
|
|
qWarning() << "Cloud storage: successfully checked connection to cloud server";
|
|
return true;
|
|
}
|
|
} else {
|
|
disconnect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
|
|
reply->abort();
|
|
}
|
|
if (verbose)
|
|
qDebug() << "connection test to cloud server failed" <<
|
|
reply->error() << reply->errorString() <<
|
|
reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() <<
|
|
reply->readAll();
|
|
reply->deleteLater();
|
|
mgr->deleteLater();
|
|
if (verbose)
|
|
qWarning() << "Cloud storage: unable to connect to cloud server";
|
|
return false;
|
|
}
|
|
|
|
void CheckCloudConnection::sslErrors(QList<QSslError> errorList)
|
|
{
|
|
if (verbose) {
|
|
qDebug() << "Received error response trying to set up https connection with cloud storage backend:";
|
|
Q_FOREACH (QSslError err, errorList) {
|
|
qDebug() << err.errorString();
|
|
}
|
|
}
|
|
QSslConfiguration conf = reply->sslConfiguration();
|
|
QSslCertificate cert = conf.peerCertificate();
|
|
QByteArray hexDigest = cert.digest().toHex();
|
|
if (reply->url().toString().contains(prefs.cloud_base_url) &&
|
|
hexDigest == "13ff44c62996cfa5cd69d6810675490e") {
|
|
if (verbose)
|
|
qDebug() << "Overriding SSL check as I recognize the certificate digest" << hexDigest;
|
|
reply->ignoreSslErrors();
|
|
} else {
|
|
if (verbose)
|
|
qDebug() << "got invalid SSL certificate with hex digest" << hexDigest;
|
|
}
|
|
}
|
|
|
|
// helper to be used from C code
|
|
extern "C" bool canReachCloudServer()
|
|
{
|
|
if (verbose)
|
|
qWarning() << "Cloud storage: checking connection to cloud server";
|
|
CheckCloudConnection *checker = new CheckCloudConnection;
|
|
return checker->checkServer();
|
|
}
|