src/win_updater.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "win_updater.h"
  23 #include "UIC_win_updater.h"
  24
  25 //Internal
  26 #include "global.h"
  27 #include "model_sysinfo.h"
  28
  29 //MUtils
  30 #include <MUtils/UpdateChecker.h>
  31 #include <MUtils/Hash.h>
  32 #include <MUtils/GUI.h>
  33 #include <MUtils/OSSupport.h>
  34 #include <MUtils/Exception.h>
  35
  36 //Qt
  37 #include <QMovie>
  38 #include <QCloseEvent>
  39 #include <QTimer>
  40 #include <QMessageBox>
  41 #include <QDesktopServices>
  42 #include <QUrl>
  43 #include <QProcess>
  44 #include <QFileInfo>
  45 #include <QDir>
  46 #include <QMap>
  47 #include <QElapsedTimer>
  48
  49 ///////////////////////////////////////////////////////////////////////////////
  50
  51 static const char *const DIGEST_KEY = "~Dv/bW3/7t>6?RXVwkaZk-hmS0#O4JS/5YQAO>\\8hvr0B~7[n!X~KMYruemu:MDq";
  52
  53 const UpdaterDialog::binary_t UpdaterDialog::BINARIES[] =
  54 {
  55         { "wget.exe", "35d70bf8a1799956b5de3975ff99088a4444a2d17202059afb63949b297e2cc81e5e49e2b95df1c4e26b49ab7430399c293bf805a0b250d686c6f4dd994a0764", 1 },
  56         { "mcat.exe", "8328dbdc505e8816a5d17929678cdcbb573eca0ab107a7da66dca9a94044b404619e2fcc15f8d66950bf0c1fc3af94c31661035cbb5133a4ec721f4c4825a7c9", 1 },
  57         { "gpgv.exe", "d8af092e049a95113a98cf52eef6d86ee0903814d787322016b861c9a979af6e514b1f46fe5f11f4a092f9a98bd17918ac74d71c369019824e43a396cdc4bbb7", 1 },
  58         { "gpgv.gpg", "1a2f528e551b9abfb064f08674fdd421d3abe403469ddfee2beafd007775a6c684212a6274dc2b41a0b20dd5c2200021c91320e737f7a90b2ac5a40a6221d93f", 0 },
  59         { "wupd.exe", "c7fe72259ae781889a18f688321275e3bae39d75fb96c9c650446e177cb3af3d3ea84db2c1590e44bc2440b2ea79f9684e3a14e47e57e6083ec6f98c5bf72a73", 1 },
  60         { NULL, NULL, 0 }
  61 };
  62
  63 #define UPDATE_TEXT(N, TEXT) ui->label_phase##N->setText((TEXT))
  64 #define UPDATE_ICON(N, ICON) ui->icon_phase##N->setPixmap(QIcon(":/buttons/" ICON ".png").pixmap(16, 16))
  65
  66 #define SHOW_ANIMATION(FLAG) do  \
  67 { \
  68         ui->frameAnimation->setVisible((FLAG)); \
  69         ui->labelInfo->setVisible(!(FLAG)); \
  70         ui->labelUrl->setVisible(!(FLAG)); \
  71         ui->labelBuildNo->setVisible(!(FLAG)); \
  72         if((FLAG)) m_animator->start(); else m_animator->stop(); \
  73 } \
  74 while(0)
  75
  76 static inline QString getBin(const QMap<QString, QSharedPointer<QFile>> &binaries, const QString &nameName)
  77 {
  78         const QSharedPointer<QFile> file = binaries.value(nameName);
  79         return file.isNull() ? QString() : file->fileName();
  80 }
  81
  82 static void qFileDeleter(QFile *const file)
  83 {
  84         if(file)
  85         {
  86                 file->close();
  87                 delete file;
  88         }
  89 }
  90
  91 ///////////////////////////////////////////////////////////////////////////////
  92 // Constructor & Destructor
  93 ///////////////////////////////////////////////////////////////////////////////
  94
  95 UpdaterDialog::UpdaterDialog(QWidget *parent, const SysinfoModel *sysinfo, const char *const updateUrl)
  96 :
  97         QDialog(parent),
  98         ui(new Ui::UpdaterDialog()),
  99         m_sysinfo(sysinfo),
 100         m_updateUrl(updateUrl),
 101         m_status(MUtils::UpdateChecker::UpdateStatus_NotStartedYet),
 102         m_thread(NULL),
 103         m_updaterProcess(NULL),
 104         m_success(false),
 105         m_firstShow(true)
 106 {
 107         //Init the dialog, from the .ui file
 108         ui->setupUi(this);
 109         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
 110
 111         //Fix size
 112         setFixedSize(size());
 113
 114         //Enable buttons
 115         connect(ui->buttonCancel, SIGNAL(clicked()), this, SLOT(close()));
 116         connect(ui->buttonDownload, SIGNAL(clicked()), this, SLOT(installUpdate()));
 117         connect(ui->buttonRetry, SIGNAL(clicked()), this, SLOT(checkForUpdates()));
 118
 119         //Enable info label
 120         connect(ui->labelUrl, SIGNAL(linkActivated(QString)), this, SLOT(openUrl(QString)));
 121
 122         //Init animation
 123         m_animator.reset(new QMovie(":/images/loading.gif"));
 124         ui->labelLoadingCenter->setMovie(m_animator.data());
 125
 126         //Init buttons
 127         ui->buttonCancel->setEnabled(false);
 128         ui->buttonRetry->hide();
 129         ui->buttonDownload->hide();
 130         ui->labelCancel->hide();
 131
 132         //Start animation
 133         SHOW_ANIMATION(true);
 134 }
 135
 136 UpdaterDialog::~UpdaterDialog(void)
 137 {
 138         if(!m_thread.isNull())
 139         {
 140                 if(!m_thread->wait(5000))
 141                 {
 142                         m_thread->terminate();
 143                         m_thread->wait();
 144                 }
 145         }
 146         delete ui;
 147 }
 148
 149 ///////////////////////////////////////////////////////////////////////////////
 150 // Events
 151 ///////////////////////////////////////////////////////////////////////////////
 152
 153 bool UpdaterDialog::event(QEvent *e)
 154 {
 155         if((e->type() == QEvent::ActivationChange) && (m_updaterProcess != NULL))
 156         {
 157                 MUtils::GUI::bring_to_front(m_updaterProcess);
 158         }
 159         return QDialog::event(e);
 160 }
 161
 162 void UpdaterDialog::showEvent(QShowEvent *event)
 163 {
 164         if(m_firstShow)
 165         {
 166                 m_firstShow = false;
 167                 QTimer::singleShot(16, this, SLOT(initUpdate()));
 168         }
 169 }
 170
 171 void UpdaterDialog::closeEvent(QCloseEvent *e)
 172 {
 173         if(!ui->buttonCancel->isEnabled())
 174         {
 175                 e->ignore();
 176         }
 177 }
 178
 179 void UpdaterDialog::keyPressEvent(QKeyEvent *event)
 180 {
 181         switch (event->key())
 182         {
 183         case Qt::Key_Escape:
 184                 if ((!m_thread.isNull()) && m_thread->isRunning())
 185                 {
 186                         if (m_status >= MUtils::UpdateChecker::UpdateStatus_FetchingUpdates)
 187                         {
 188                                 UPDATE_TEXT(2, tr("Cancellation requested..."));
 189                         }
 190                         else
 191                         {
 192                                 UPDATE_TEXT(1, tr("Cancellation requested..."));
 193                         }
 194                         m_thread->cancel();
 195                 }
 196                 break;
 197         case Qt::Key_F11:
 198                 {
 199                         const QString logFilePath = MUtils::make_temp_file(MUtils::temp_folder(), "txt", true);
 200                         if (!logFilePath.isEmpty())
 201                         {
 202                                 qWarning("Write log to: '%s'", MUTILS_UTF8(logFilePath));
 203                                 QFile logFile(logFilePath);
 204                                 if (logFile.open(QIODevice::WriteOnly | QIODevice::Truncate))
 205                                 {
 206                                         logFile.write("\xEF\xBB\xBF");
 207                                         for (QStringList::ConstIterator iter = m_logFile.constBegin(); iter != m_logFile.constEnd(); iter++)
 208                                         {
 209                                                 logFile.write(iter->toUtf8());
 210                                                 logFile.write("\r\n");
 211                                         }
 212                                         logFile.close();
 213                                         QDesktopServices::openUrl(QUrl::fromLocalFile(logFile.fileName()));
 214                                 }
 215                         }
 216                 }
 217                 break;
 218         default:
 219                 QDialog::keyPressEvent(event);
 220         }
 221 }
 222
 223 ///////////////////////////////////////////////////////////////////////////////
 224 // Slots
 225 ///////////////////////////////////////////////////////////////////////////////
 226
 227 void UpdaterDialog::initUpdate(void)
 228 {
 229         //Check binary files
 230         if(!checkBinaries())
 231         {
 232                 ui->buttonCancel->setEnabled(true);
 233                 const QString message = QString("%1<br><br><nobr><a href=\"%2\">%3</a></nobr><br>").arg(tr("At least one file required by the web-update tool is missing or corrupted.<br>Please re-install this application and then try again!"), QString::fromLatin1(m_updateUrl), QString::fromLatin1(m_updateUrl).replace("-", "&minus;"));
 234                 if(QMessageBox::critical(this, tr("File Error"), message, tr("Download Latest Version"), tr("Discard")) == 0)
 235                 {
 236                         QDesktopServices::openUrl(QUrl(QString::fromLatin1(m_updateUrl)));
 237                 }
 238                 close();
 239                 return;
 240         }
 241
 242         //Make sure user does have admin access
 243         if(!MUtils::OS::user_is_admin())
 244         {
 245                 qWarning("User is not in the \"admin\" group, cannot update!");
 246                 QString message;
 247                 message += QString("<nobr>%1</nobr><br>").arg(tr("Sorry, but only users in the \"Administrators\" group can install updates."));
 248                 message += QString("<nobr>%1</nobr>").arg(tr("Please start application from an administrator account and try again!"));
 249                 if(QMessageBox::critical(this, this->windowTitle(), message, tr("Discard"), tr("Ignore")) != 1)
 250                 {
 251                         ui->buttonCancel->setEnabled(true);
 252                         close();
 253                         return;
 254                 }
 255         }
 256
 257         //Create and setup thread
 258         if(!m_thread)
 259         {
 260                 m_thread.reset(new MUtils::UpdateChecker(getBin(m_binaries, "wget.exe"), getBin(m_binaries, "mcat.exe"), getBin(m_binaries, "gpgv.exe"), getBin(m_binaries, "gpgv.gpg"), "Simple x264 Launcher", x264_version_build(), false));
 261                 connect(m_thread.data(), SIGNAL(statusChanged(int)), this, SLOT(threadStatusChanged(int)));
 262                 connect(m_thread.data(), SIGNAL(finished()), this, SLOT(threadFinished()));
 263                 connect(m_thread.data(), SIGNAL(terminated()), this, SLOT(threadFinished()));
 264                 connect(m_thread.data(), SIGNAL(messageLogged(QString)), this, SLOT(threadMessageLogged(QString)));
 265         }
 266
 267         //Begin updater run
 268         QTimer::singleShot(16, this, SLOT(checkForUpdates()));
 269 }
 270
 271 void UpdaterDialog::checkForUpdates(void)
 272 {
 273         if((!m_thread) || m_thread->isRunning())
 274         {
 275                 qWarning("Update in progress, cannot check for updates now!");
 276         }
 277
 278         //Clear texts
 279         ui->retranslateUi(this);
 280         ui->labelBuildNo->setText(tr("Installed build is #%1  |  Latest build is #%2").arg(QString::number(x264_version_build()), tr("N/A")));
 281
 282         //Init buttons
 283         ui->buttonCancel->setEnabled(false);
 284         ui->buttonRetry->hide();
 285         ui->buttonDownload->hide();
 286
 287         //Hide labels
 288         ui->labelInfo->hide();
 289         ui->labelUrl->hide();
 290         ui->labelCancel->show();
 291
 292         //Update status
 293         threadStatusChanged(MUtils::UpdateChecker::UpdateStatus_NotStartedYet);
 294
 295         //Start animation
 296         SHOW_ANIMATION(true);
 297
 298         //Update cursor
 299         QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 300         QApplication::setOverrideCursor(Qt::WaitCursor);
 301
 302         //Clear log
 303         m_logFile.clear();
 304
 305         //Init timer
 306         m_elapsed.reset(new QElapsedTimer());
 307         m_elapsed->start();
 308
 309         //Start the updater thread
 310         QTimer::singleShot(125, m_thread.data(), SLOT(start()));
 311 }
 312
 313 void UpdaterDialog::threadStatusChanged(int status)
 314 {
 315         const int prevStatus = m_status;
 316         switch(m_status = status)
 317         {
 318         case MUtils::UpdateChecker::UpdateStatus_NotStartedYet:
 319                 UPDATE_ICON(1, "clock");
 320                 UPDATE_ICON(2, "clock");
 321                 UPDATE_ICON(3, "clock");
 322                 break;
 323         case MUtils::UpdateChecker::UpdateStatus_CheckingConnection:
 324                 UPDATE_ICON(1, "play");
 325                 break;
 326         case MUtils::UpdateChecker::UpdateStatus_FetchingUpdates:
 327                 UPDATE_ICON(1, "shield_green");
 328                 UPDATE_TEXT(1, tr("Internet connection is working."));
 329                 UPDATE_ICON(2, "play");
 330                 break;
 331         case MUtils::UpdateChecker::UpdateStatus_ErrorNoConnection:
 332                 UPDATE_ICON(1, "shield_error");
 333                 UPDATE_TEXT(1, tr("Computer is currently offline!"));
 334                 UPDATE_ICON(2, "shield_grey");
 335                 UPDATE_ICON(3, "shield_grey");
 336                 break;
 337         case MUtils::UpdateChecker::UpdateStatus_ErrorConnectionTestFailed:
 338                 UPDATE_ICON(1, "shield_error");
 339                 UPDATE_TEXT(1, tr("Internet connectivity test failed!"));
 340                 UPDATE_ICON(2, "shield_grey");
 341                 UPDATE_ICON(3, "shield_grey");
 342                 break;
 343         case MUtils::UpdateChecker::UpdateStatus_ErrorFetchUpdateInfo:
 344                 UPDATE_ICON(2, "shield_error");
 345                 UPDATE_TEXT(2, tr("Failed to download the update information!"));
 346                 UPDATE_ICON(3, "shield_grey");
 347                 break;
 348         case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 349         case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 350         case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 351                 UPDATE_ICON(2, "shield_green");
 352                 UPDATE_TEXT(2, tr("Update information received successfully."));
 353                 UPDATE_ICON(3, "play");
 354                 break;
 355         case MUtils::UpdateChecker::UpdateStatus_CancelledByUser:
 356                 if (prevStatus >= MUtils::UpdateChecker::UpdateStatus_FetchingUpdates)
 357                 {
 358                         UPDATE_ICON(2, "shield_error");
 359                         UPDATE_TEXT(2, tr("Operation was cancelled by the user!"));
 360                         UPDATE_ICON(3, "shield_grey");
 361                 }
 362                 else
 363                 {
 364                         UPDATE_ICON(1, "shield_error");
 365                         UPDATE_TEXT(1, tr("Operation was cancelled by the user!"));
 366                         UPDATE_ICON(2, "shield_grey");
 367                         UPDATE_ICON(3, "shield_grey");
 368                 }
 369                 break;
 370         default:
 371                 MUTILS_THROW("Unknown status code!");
 372         }
 373 }
 374
 375 void UpdaterDialog::threadFinished(void)
 376 {
 377         m_success = m_thread->getSuccess();
 378         ui->labelCancel->hide();
 379         QTimer::singleShot((m_success ? 500 : 0), this, SLOT(updateFinished()));
 380 }
 381
 382 void UpdaterDialog::updateFinished(void)
 383 {
 384         //Query the timer, if available
 385         if (!m_elapsed.isNull())
 386         {
 387                 const quint64 elapsed = m_elapsed->restart();
 388                 qDebug("Update check completed after %.2f seconds.", double(elapsed) / 1000.0);
 389         }
 390
 391         //Restore cursor
 392         QApplication::restoreOverrideCursor();
 393
 394         //If update was successfull, process final updater state
 395         if(m_thread->getSuccess())
 396         {
 397                 switch(m_status)
 398                 {
 399                 case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 400                         UPDATE_ICON(3, "shield_exclamation");
 401                         UPDATE_TEXT(3, tr("A newer version is available!"));
 402                         ui->buttonDownload->show();
 403                         break;
 404                 case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 405                         UPDATE_ICON(3, "shield_green");
 406                         UPDATE_TEXT(3, tr("Your version is up-to-date."));
 407                         break;
 408                 case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 409                         UPDATE_ICON(3, "shield_blue");
 410                         UPDATE_TEXT(3, tr("You are using a pre-release version!"));
 411                         break;
 412                 default:
 413                         qWarning("Update thread succeeded with unexpected status code: %d", m_status);
 414                 }
 415         }
 416
 417         //Show update info or retry button
 418         switch(m_status)
 419         {
 420         case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 421         case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 422         case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 423                 SHOW_ANIMATION(false);
 424                 ui->labelBuildNo->setText(tr("Installed build is #%1  |  Latest build is #%2").arg(QString::number(x264_version_build()), QString::number(m_thread->getUpdateInfo()->getBuildNo())));
 425                 ui->labelUrl->setText(QString("<a href=\"%1\">%1</a>").arg(m_thread->getUpdateInfo()->getDownloadSite()));
 426                 break;
 427         case MUtils::UpdateChecker::UpdateStatus_ErrorNoConnection:
 428         case MUtils::UpdateChecker::UpdateStatus_ErrorConnectionTestFailed:
 429         case MUtils::UpdateChecker::UpdateStatus_ErrorFetchUpdateInfo:
 430         case MUtils::UpdateChecker::UpdateStatus_CancelledByUser:
 431                 m_animator->stop();
 432                 ui->buttonRetry->show();
 433                 break;
 434         default:
 435                 qWarning("Update thread finished with unexpected status code: %d", m_status);
 436         }
 437
 438         //Re-enbale cancel button
 439         ui->buttonCancel->setEnabled(true);
 440
 441 }
 442
 443 void UpdaterDialog::threadMessageLogged(const QString &message)
 444 {
 445         m_logFile << message;
 446 }
 447
 448 void UpdaterDialog::openUrl(const QString &url)
 449 {
 450         qDebug("Open URL: %s", url.toLatin1().constData());
 451         QDesktopServices::openUrl(QUrl(url));
 452 }
 453
 454 void UpdaterDialog::installUpdate(void)
 455 {
 456         if(!((m_thread) && m_thread->getSuccess()))
 457         {
 458                 qWarning("Cannot download/install update at this point!");
 459                 return;
 460         }
 461
 462         QApplication::setOverrideCursor(Qt::WaitCursor);
 463         ui->buttonDownload->hide();
 464         ui->buttonCancel->setEnabled(false);
 465         SHOW_ANIMATION(true);
 466
 467         const MUtils::UpdateCheckerInfo *updateInfo = m_thread->getUpdateInfo();
 468
 469         QProcess process;
 470         QStringList args;
 471         QEventLoop loop;
 472
 473         MUtils::init_process(process, MUtils::temp_folder(), false);
 474
 475         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 476         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 477
 478         args << QString("/Location=%1").arg(updateInfo->getDownloadAddress());
 479         args << QString("/Filename=%1").arg(updateInfo->getDownloadFilename());
 480         args << QString("/TicketID=%1").arg(updateInfo->getDownloadFilecode());
 481         args << QString("/CheckSum=%1").arg(updateInfo->getDownloadChecksum());
 482         args << QString("/ToFolder=%1").arg(QDir::toNativeSeparators(QDir(QApplication::applicationDirPath()).canonicalPath()));
 483         args << QString("/ToExFile=%1.exe").arg(QFileInfo(QFileInfo(QApplication::applicationFilePath()).canonicalFilePath()).completeBaseName());
 484         args << QString("/AppTitle=Simple x264 Launcher (Build #%1)").arg(QString::number(updateInfo->getBuildNo()));
 485
 486         process.start(getBin(m_binaries, "wupd.exe"), args);
 487         if(!process.waitForStarted())
 488         {
 489                 QApplication::restoreOverrideCursor();
 490                 SHOW_ANIMATION(false);
 491                 QMessageBox::critical(this, tr("Update Failed"), tr("Sorry, failed to launch web-update program!"));
 492                 ui->buttonDownload->show();
 493                 ui->buttonCancel->setEnabled(true);
 494                 return;
 495         }
 496
 497         m_updaterProcess = MUtils::OS::process_id(&process);
 498         loop.exec(QEventLoop::ExcludeUserInputEvents);
 499
 500         if(!process.waitForFinished())
 501         {
 502                 process.kill();
 503                 process.waitForFinished();
 504         }
 505
 506         m_updaterProcess = NULL;
 507         QApplication::restoreOverrideCursor();
 508         ui->buttonDownload->show();
 509         ui->buttonCancel->setEnabled(true);
 510         SHOW_ANIMATION(false);
 511
 512         if(process.exitCode() == 0)
 513         {
 514                 done(READY_TO_INSTALL_UPDATE);
 515         }
 516 }
 517
 518 ///////////////////////////////////////////////////////////////////////////////
 519 // Private Functions
 520 ///////////////////////////////////////////////////////////////////////////////
 521
 522 bool UpdaterDialog::checkBinaries(void)
 523 {
 524         qDebug("[File Verification]");
 525         for(size_t i = 0; BINARIES[i].name; i++)
 526         {
 527                 const QString name = QString::fromLatin1(BINARIES[i].name);
 528                 if (!m_binaries.contains(name))
 529                 {
 530                         QScopedPointer<QFile> binary(new QFile(QString("%1/toolset/common/%2").arg(m_sysinfo->getAppPath(), name)));
 531                         if (binary->open(QIODevice::ReadOnly))
 532                         {
 533                                 if (checkFileHash(binary->fileName(), BINARIES[i].hash))
 534                                 {
 535                                         QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 536                                         m_binaries.insert(name, QSharedPointer<QFile>(binary.take(), qFileDeleter));
 537                                 }
 538                                 else
 539                                 {
 540                                         qWarning("Verification of '%s' has failed!", MUTILS_UTF8(name));
 541                                         binary->close();
 542                                         return false;
 543                                 }
 544                         }
 545                         else
 546                         {
 547                                 qWarning("File '%s' could not be opened!", MUTILS_UTF8(name));
 548                                 return false;
 549                         }
 550                 }
 551         }
 552         qDebug("File check completed.\n");
 553         return true;
 554 }
 555
 556 bool UpdaterDialog::checkFileHash(const QString &filePath, const char *expectedHash)
 557 {
 558         qDebug("Checking file: %s", MUTILS_UTF8(filePath));
 559         QScopedPointer<MUtils::Hash::Hash> checksum(MUtils::Hash::create(MUtils::Hash::HASH_BLAKE2_512, DIGEST_KEY));
 560         QFile file(filePath);
 561         if(file.open(QIODevice::ReadOnly))
 562         {
 563                 checksum->update(file);
 564                 const QByteArray fileHash = checksum->digest();
 565                 if((strlen(expectedHash) != fileHash.size()) || (memcmp(fileHash.constData(), expectedHash, fileHash.size()) != 0))
 566                 {
 567                         qWarning("\nFile appears to be corrupted:\n%s\n", filePath.toUtf8().constData());
 568                         qWarning("Expected Hash: %s\nDetected Hash: %s\n", expectedHash, fileHash.constData());
 569                         return false;
 570                 }
 571                 return true;
 572         }
 573         else
 574         {
 575                 qWarning("Failed to open file:\n%s\n", filePath.toUtf8().constData());
 576                 return false;
 577         }
 578 }