bool AutoUpdater::isLocalUpdateReady()
{
// Updates only for supported platforms
if (platform.isEmpty())
return false;
// Check that there's an update dir in the first place, valid or not
QString updateDirStr = Settings::getInstance().getSettingsDirPath() + "/update/";
QDir updateDir(updateDirStr);
if (!updateDir.exists())
return false;
// Check that we have a flist and generate a diff
QFile updateFlistFile(updateDirStr+"flist");
if (!updateFlistFile.open(QIODevice::ReadOnly))
return false;
QByteArray updateFlistData = updateFlistFile.readAll();
updateFlistFile.close();
QList<UpdateFileMeta> updateFlist = parseFlist(updateFlistData);
QList<UpdateFileMeta> diff = genUpdateDiff(updateFlist);
// If the update wasn't downloaded correctly, redownload it
// We don't check signatures to not block qTox too long, the updater will do it anyway
for (UpdateFileMeta fileMeta : diff)
{
if (!QFile::exists(updateDirStr+fileMeta.installpath))
{
QtConcurrent::run(&AutoUpdater::downloadUpdate);
return false;
}
QFile f(updateDirStr+fileMeta.installpath);
if (f.size() != (int64_t)fileMeta.size)
{
QtConcurrent::run(&AutoUpdater::downloadUpdate);
return false;
}
}
return true;
}
bool AutoUpdater::isLocalUpdateReady()
{
// Updates only for supported platforms
if (platform.isEmpty())
return false;
if (isDownloadingUpdate)
return false;
// Check that there's an update dir in the first place, valid or not
QString updateDirStr = Settings::getInstance().getSettingsDirPath() + "/update/";
QDir updateDir(updateDirStr);
if (!updateDir.exists())
return false;
// Check that we have a flist and generate a diff
QFile updateFlistFile(updateDirStr+"flist");
if (!updateFlistFile.open(QIODevice::ReadOnly))
return false;
QByteArray updateFlistData = updateFlistFile.readAll();
updateFlistFile.close();
QList<UpdateFileMeta> updateFlist = parseFlist(updateFlistData);
QList<UpdateFileMeta> diff = genUpdateDiff(updateFlist);
// Check that we have every file
for (UpdateFileMeta fileMeta : diff)
{
if (!QFile::exists(updateDirStr+fileMeta.installpath))
return false;
QFile f(updateDirStr+fileMeta.installpath);
if (f.size() != (int64_t)fileMeta.size)
return false;
}
return true;
}
void Widget::update()
{
/// 1. Find and parse the update (0-5%)
// Check that the dir exists
QString updateDirStr = getSettingsDirPath()+"/update/";
QDir updateDir(updateDirStr);
if (!updateDir.exists())
fatalError(tr("No update found."));
// Check that we have a flist and that every file on the diff exists
QFile updateFlistFile(updateDirStr+"flist");
if (!updateFlistFile.open(QIODevice::ReadOnly))
fatalError(tr("The update is incomplete."));
QByteArray updateFlistData = updateFlistFile.readAll();
updateFlistFile.close();
setProgress(1);
QList<UpdateFileMeta> updateFlist = parseFlist(updateFlistData);
setProgress(2);
QList<UpdateFileMeta> diff = genUpdateDiff(updateFlist);
setProgress(4);
for (UpdateFileMeta fileMeta : diff)
if (!QFile::exists(updateDirStr+fileMeta.installpath))
fatalError(tr("The update is incomplete."));
if (diff.size() == 0)
fatalError(tr("The diff list is empty."));
setProgress(5);
/// 2. Check the update (5-50%)
float checkProgressStep = 45.0/(float)diff.size();
float checkProgress = 5;
for (UpdateFileMeta fileMeta : diff)
{
UpdateFile file;
file.metadata = fileMeta;
QFile fileFile(updateDirStr+fileMeta.installpath);
if (!fileFile.open(QIODevice::ReadOnly))
fatalError(tr("Update files are unreadable."));
file.data = fileFile.readAll();
fileFile.close();
if (file.data.size() != (int)fileMeta.size)
fatalError(tr("Update files are corrupted."));
if (crypto_sign_verify_detached(file.metadata.sig, (unsigned char*)file.data.data(),
file.data.size(), key) != 0)
fatalError(tr("Update files are corrupted."));
checkProgress += checkProgressStep;
setProgress(checkProgress);
}
setProgress(50);
/// 3. Install the update (50-95%)
float installProgressStep = 45.0/(float)diff.size();
float installProgress = 50;
for (UpdateFileMeta fileMeta : diff)
{
// Backup old files
if (QFile(fileMeta.installpath).exists())
{
QFile(fileMeta.installpath+".bak").remove();
QFile(fileMeta.installpath).rename(fileMeta.installpath+".bak");
backups.append(fileMeta.installpath);
}
// Install new ones
QDir().mkpath(QFileInfo(fileMeta.installpath).absolutePath());
QFile fileFile(updateDirStr+fileMeta.installpath);
if (!fileFile.copy(fileMeta.installpath))
fatalError(tr("Unable to copy the update's files from ")+(updateDirStr+fileMeta.installpath)+" to "+fileMeta.installpath);
installProgress += installProgressStep;
setProgress(installProgress);
}
setProgress(95);
/// 4. Delete the update and backups (95-100%)
deleteUpdate();
setProgress(97);
deleteBackups();
setProgress(100);
/// 5. Start qTox and exit
startQToxAndExit();
}
