mirror of
https://github.com/MultiMC/MultiMC5.git
synced 2024-09-03 21:49:13 +00:00
458 lines
14 KiB
C++
458 lines
14 KiB
C++
#include <QFile>
|
|
#include <QMessageBox>
|
|
#include <FileSystem.h>
|
|
#include <updater/GoUpdate.h>
|
|
#include "UpdateController.h"
|
|
#include <QApplication>
|
|
#include <thread>
|
|
#include <chrono>
|
|
#include <LocalPeer.h>
|
|
|
|
#include "BuildConfig.h"
|
|
|
|
|
|
// from <sys/stat.h>
|
|
#ifndef S_IRUSR
|
|
#define __S_IREAD 0400 /* Read by owner. */
|
|
#define __S_IWRITE 0200 /* Write by owner. */
|
|
#define __S_IEXEC 0100 /* Execute by owner. */
|
|
#define S_IRUSR __S_IREAD /* Read by owner. */
|
|
#define S_IWUSR __S_IWRITE /* Write by owner. */
|
|
#define S_IXUSR __S_IEXEC /* Execute by owner. */
|
|
|
|
#define S_IRGRP (S_IRUSR >> 3) /* Read by group. */
|
|
#define S_IWGRP (S_IWUSR >> 3) /* Write by group. */
|
|
#define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */
|
|
|
|
#define S_IROTH (S_IRGRP >> 3) /* Read by others. */
|
|
#define S_IWOTH (S_IWGRP >> 3) /* Write by others. */
|
|
#define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */
|
|
#endif
|
|
static QFile::Permissions unixModeToPermissions(const int mode)
|
|
{
|
|
QFile::Permissions perms;
|
|
|
|
if (mode & S_IRUSR)
|
|
{
|
|
perms |= QFile::ReadUser;
|
|
}
|
|
if (mode & S_IWUSR)
|
|
{
|
|
perms |= QFile::WriteUser;
|
|
}
|
|
if (mode & S_IXUSR)
|
|
{
|
|
perms |= QFile::ExeUser;
|
|
}
|
|
|
|
if (mode & S_IRGRP)
|
|
{
|
|
perms |= QFile::ReadGroup;
|
|
}
|
|
if (mode & S_IWGRP)
|
|
{
|
|
perms |= QFile::WriteGroup;
|
|
}
|
|
if (mode & S_IXGRP)
|
|
{
|
|
perms |= QFile::ExeGroup;
|
|
}
|
|
|
|
if (mode & S_IROTH)
|
|
{
|
|
perms |= QFile::ReadOther;
|
|
}
|
|
if (mode & S_IWOTH)
|
|
{
|
|
perms |= QFile::WriteOther;
|
|
}
|
|
if (mode & S_IXOTH)
|
|
{
|
|
perms |= QFile::ExeOther;
|
|
}
|
|
return perms;
|
|
}
|
|
|
|
static const QLatin1String liveCheckFile("live.check");
|
|
|
|
UpdateController::UpdateController(QWidget * parent, const QString& root, const QString updateFilesDir, GoUpdate::OperationList operations)
|
|
{
|
|
m_parent = parent;
|
|
m_root = root;
|
|
m_updateFilesDir = updateFilesDir;
|
|
m_operations = operations;
|
|
}
|
|
|
|
|
|
void UpdateController::installUpdates()
|
|
{
|
|
qint64 pid = -1;
|
|
QStringList args;
|
|
bool started = false;
|
|
|
|
qDebug() << "Installing updates.";
|
|
#ifdef Q_OS_WIN
|
|
QString finishCmd = QApplication::applicationFilePath();
|
|
#elif defined Q_OS_LINUX
|
|
QString finishCmd = FS::PathCombine(m_root, BuildConfig.LAUNCHER_NAME);
|
|
#elif defined Q_OS_MAC
|
|
QString finishCmd = QApplication::applicationFilePath();
|
|
#else
|
|
#error Unsupported operating system.
|
|
#endif
|
|
|
|
QString backupPath = FS::PathCombine(m_root, "update", "backup");
|
|
QDir origin(m_root);
|
|
|
|
// clean up the backup folder. it should be empty before we start
|
|
if(!FS::deletePath(backupPath))
|
|
{
|
|
qWarning() << "couldn't remove previous backup folder" << backupPath;
|
|
}
|
|
// and it should exist.
|
|
if(!FS::ensureFolderPathExists(backupPath))
|
|
{
|
|
qWarning() << "couldn't create folder" << backupPath;
|
|
return;
|
|
}
|
|
|
|
bool useXPHack = false;
|
|
QString exePath;
|
|
QString exeOrigin;
|
|
QString exeBackup;
|
|
|
|
// perform the update operations
|
|
for(auto op: m_operations)
|
|
{
|
|
switch(op.type)
|
|
{
|
|
// replace = move original out to backup, if it exists, move the new file in its place
|
|
case GoUpdate::Operation::OP_REPLACE:
|
|
{
|
|
#ifdef Q_OS_WIN32
|
|
QString windowsExeName = BuildConfig.LAUNCHER_NAME + ".exe";
|
|
// hack for people renaming the .exe because ... reasons :)
|
|
if(op.destination == windowsExeName)
|
|
{
|
|
op.destination = QFileInfo(QApplication::applicationFilePath()).fileName();
|
|
}
|
|
#endif
|
|
QFileInfo destination (FS::PathCombine(m_root, op.destination));
|
|
#ifdef Q_OS_WIN32
|
|
if(QSysInfo::windowsVersion() < QSysInfo::WV_VISTA)
|
|
{
|
|
if(destination.fileName() == windowsExeName)
|
|
{
|
|
QDir rootDir(m_root);
|
|
exeOrigin = rootDir.relativeFilePath(op.source);
|
|
exePath = rootDir.relativeFilePath(op.destination);
|
|
exeBackup = rootDir.relativeFilePath(FS::PathCombine(backupPath, destination.fileName()));
|
|
useXPHack = true;
|
|
continue;
|
|
}
|
|
}
|
|
#endif
|
|
if(destination.exists())
|
|
{
|
|
QString backupName = op.destination;
|
|
backupName.replace('/', '_');
|
|
QString backupFilePath = FS::PathCombine(backupPath, backupName);
|
|
if(!QFile::rename(destination.absoluteFilePath(), backupFilePath))
|
|
{
|
|
qWarning() << "Couldn't move:" << destination.absoluteFilePath() << "to" << backupFilePath;
|
|
m_failedOperationType = Replace;
|
|
m_failedFile = op.destination;
|
|
fail();
|
|
return;
|
|
}
|
|
BackupEntry be;
|
|
be.original = destination.absoluteFilePath();
|
|
be.backup = backupFilePath;
|
|
be.update = op.source;
|
|
m_replace_backups.append(be);
|
|
}
|
|
// make sure the folder we are putting this into exists
|
|
if(!FS::ensureFilePathExists(destination.absoluteFilePath()))
|
|
{
|
|
qWarning() << "REPLACE: Couldn't create folder:" << destination.absoluteFilePath();
|
|
m_failedOperationType = Replace;
|
|
m_failedFile = op.destination;
|
|
fail();
|
|
return;
|
|
}
|
|
// now move the new file in
|
|
if(!QFile::rename(op.source, destination.absoluteFilePath()))
|
|
{
|
|
qWarning() << "REPLACE: Couldn't move:" << op.source << "to" << destination.absoluteFilePath();
|
|
m_failedOperationType = Replace;
|
|
m_failedFile = op.destination;
|
|
fail();
|
|
return;
|
|
}
|
|
QFile::setPermissions(destination.absoluteFilePath(), unixModeToPermissions(op.destinationMode));
|
|
}
|
|
break;
|
|
// delete = move original to backup
|
|
case GoUpdate::Operation::OP_DELETE:
|
|
{
|
|
QString destFilePath = FS::PathCombine(m_root, op.destination);
|
|
if(QFile::exists(destFilePath))
|
|
{
|
|
QString backupName = op.destination;
|
|
backupName.replace('/', '_');
|
|
QString trashFilePath = FS::PathCombine(backupPath, backupName);
|
|
|
|
if(!QFile::rename(destFilePath, trashFilePath))
|
|
{
|
|
qWarning() << "DELETE: Couldn't move:" << op.destination << "to" << trashFilePath;
|
|
m_failedFile = op.destination;
|
|
m_failedOperationType = Delete;
|
|
fail();
|
|
return;
|
|
}
|
|
BackupEntry be;
|
|
be.original = destFilePath;
|
|
be.backup = trashFilePath;
|
|
m_delete_backups.append(be);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// try to start the new binary
|
|
args = qApp->arguments();
|
|
args.removeFirst();
|
|
|
|
// on old Windows, do insane things... no error checking here, this is just to have something.
|
|
if(useXPHack)
|
|
{
|
|
QString script;
|
|
auto nativePath = QDir::toNativeSeparators(exePath);
|
|
auto nativeOriginPath = QDir::toNativeSeparators(exeOrigin);
|
|
auto nativeBackupPath = QDir::toNativeSeparators(exeBackup);
|
|
|
|
// so we write this vbscript thing...
|
|
QTextStream out(&script);
|
|
out << "WScript.Sleep 1000\n";
|
|
out << "Set fso=CreateObject(\"Scripting.FileSystemObject\")\n";
|
|
out << "Set shell=CreateObject(\"WScript.Shell\")\n";
|
|
out << "fso.MoveFile \"" << nativePath << "\", \"" << nativeBackupPath << "\"\n";
|
|
out << "fso.MoveFile \"" << nativeOriginPath << "\", \"" << nativePath << "\"\n";
|
|
out << "shell.Run \"" << nativePath << "\"\n";
|
|
|
|
QString scriptPath = FS::PathCombine(m_root, "update", "update.vbs");
|
|
|
|
// we save it
|
|
QFile scriptFile(scriptPath);
|
|
scriptFile.open(QIODevice::WriteOnly);
|
|
scriptFile.write(script.toLocal8Bit().replace("\n", "\r\n"));
|
|
scriptFile.close();
|
|
|
|
// we run it
|
|
started = QProcess::startDetached("wscript", {scriptPath}, m_root);
|
|
|
|
// and we quit. conscious thought.
|
|
qApp->quit();
|
|
return;
|
|
}
|
|
bool doLiveCheck = true;
|
|
bool startFailed = false;
|
|
|
|
// remove live check file, if any
|
|
if(QFile::exists(liveCheckFile))
|
|
{
|
|
if(!QFile::remove(liveCheckFile))
|
|
{
|
|
qWarning() << "Couldn't remove the" << liveCheckFile << "file! We will proceed without :(";
|
|
doLiveCheck = false;
|
|
}
|
|
}
|
|
|
|
if(doLiveCheck)
|
|
{
|
|
if(!args.contains("--alive"))
|
|
{
|
|
args.append("--alive");
|
|
}
|
|
}
|
|
|
|
// FIXME: reparse args and construct a safe variant from scratch. This is a workaround for GH-1874:
|
|
QStringList realargs;
|
|
int skip = 0;
|
|
for(auto & arg: args)
|
|
{
|
|
if(skip)
|
|
{
|
|
skip--;
|
|
continue;
|
|
}
|
|
if(arg == "-l")
|
|
{
|
|
skip = 1;
|
|
continue;
|
|
}
|
|
realargs.append(arg);
|
|
}
|
|
|
|
// start the updated application
|
|
started = QProcess::startDetached(finishCmd, realargs, QDir::currentPath(), &pid);
|
|
// much dumber check - just find out if the call
|
|
if(!started || pid == -1)
|
|
{
|
|
qWarning() << "Couldn't start new process properly!";
|
|
startFailed = true;
|
|
}
|
|
if(!startFailed && doLiveCheck)
|
|
{
|
|
int attempts = 0;
|
|
while(attempts < 10)
|
|
{
|
|
attempts++;
|
|
QString key;
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(250));
|
|
if(!QFile::exists(liveCheckFile))
|
|
{
|
|
qWarning() << "Couldn't find the" << liveCheckFile << "file!";
|
|
startFailed = true;
|
|
continue;
|
|
}
|
|
try
|
|
{
|
|
key = QString::fromUtf8(FS::read(liveCheckFile));
|
|
auto id = ApplicationId::fromRawString(key);
|
|
LocalPeer peer(nullptr, id);
|
|
if(peer.isClient())
|
|
{
|
|
startFailed = false;
|
|
qDebug() << "Found process started with key " << key;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
startFailed = true;
|
|
qDebug() << "Process started with key " << key << "apparently died or is not reponding...";
|
|
break;
|
|
}
|
|
}
|
|
catch (const Exception &e)
|
|
{
|
|
qWarning() << "Couldn't read the" << liveCheckFile << "file!";
|
|
startFailed = true;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
if(startFailed)
|
|
{
|
|
m_failedOperationType = Start;
|
|
fail();
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
origin.rmdir(m_updateFilesDir);
|
|
qApp->quit();
|
|
return;
|
|
}
|
|
}
|
|
|
|
void UpdateController::fail()
|
|
{
|
|
qWarning() << "Update failed!";
|
|
|
|
QString msg;
|
|
bool doRollback = false;
|
|
QString failTitle = QObject::tr("Update failed!");
|
|
QString rollFailTitle = QObject::tr("Rollback failed!");
|
|
switch (m_failedOperationType)
|
|
{
|
|
case Replace:
|
|
{
|
|
msg = QObject::tr(
|
|
"Couldn't replace file %1. Changes will be reverted.\n"
|
|
"See the %2 log file for details."
|
|
).arg(m_failedFile, BuildConfig.LAUNCHER_NAME);
|
|
doRollback = true;
|
|
QMessageBox::critical(m_parent, failTitle, msg);
|
|
break;
|
|
}
|
|
case Delete:
|
|
{
|
|
msg = QObject::tr(
|
|
"Couldn't remove file %1. Changes will be reverted.\n"
|
|
"See the %2 log file for details."
|
|
).arg(m_failedFile, BuildConfig.LAUNCHER_NAME);
|
|
doRollback = true;
|
|
QMessageBox::critical(m_parent, failTitle, msg);
|
|
break;
|
|
}
|
|
case Start:
|
|
{
|
|
msg = QObject::tr("The new version didn't start or is too old and doesn't respond to startup checks.\n"
|
|
"\n"
|
|
"Roll back to previous version?");
|
|
auto result = QMessageBox::critical(
|
|
m_parent,
|
|
failTitle,
|
|
msg,
|
|
QMessageBox::Yes | QMessageBox::No,
|
|
QMessageBox::Yes
|
|
);
|
|
doRollback = (result == QMessageBox::Yes);
|
|
break;
|
|
}
|
|
case Nothing:
|
|
default:
|
|
return;
|
|
}
|
|
if(doRollback)
|
|
{
|
|
auto rollbackOK = rollback();
|
|
if(!rollbackOK)
|
|
{
|
|
msg = QObject::tr("The rollback failed too.\n"
|
|
"You will have to repair %1 manually.\n"
|
|
"Please let us know why and how this happened.").arg(BuildConfig.LAUNCHER_NAME);
|
|
QMessageBox::critical(m_parent, rollFailTitle, msg);
|
|
qApp->quit();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qApp->quit();
|
|
}
|
|
}
|
|
|
|
bool UpdateController::rollback()
|
|
{
|
|
bool revertOK = true;
|
|
// if the above failed, roll back changes
|
|
for(auto backup:m_replace_backups)
|
|
{
|
|
qWarning() << "restoring" << backup.original << "from" << backup.backup;
|
|
if(!QFile::rename(backup.original, backup.update))
|
|
{
|
|
revertOK = false;
|
|
qWarning() << "moving new" << backup.original << "back to" << backup.update << "failed!";
|
|
continue;
|
|
}
|
|
|
|
if(!QFile::rename(backup.backup, backup.original))
|
|
{
|
|
revertOK = false;
|
|
qWarning() << "restoring" << backup.original << "failed!";
|
|
}
|
|
}
|
|
for(auto backup:m_delete_backups)
|
|
{
|
|
qWarning() << "restoring" << backup.original << "from" << backup.backup;
|
|
if(!QFile::rename(backup.backup, backup.original))
|
|
{
|
|
revertOK = false;
|
|
qWarning() << "restoring" << backup.original << "failed!";
|
|
}
|
|
}
|
|
return revertOK;
|
|
}
|