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         { "netc.exe", "2e890533473134e074d65e1670c4212a06e4f685c4ee202593b0427defdf2f01e4d22cf7b48855436f1c57109c131f3469daa1a523a5a05fc9d23fb41d2e6ea9", 1 },
  57         { "gpgv.exe", "a8d4d1702e5fb1eee5a2c22fdaf255816a9199ae48142aeec1c8ce16bbcf61d6d634f1e769e62d05cf52c204ba2611f09c9bb661bc6688b937749d478af3e47d", 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, QFile*> &binaries, const QString &nameName)
  77 {
  78         const QFile *const file = binaries.value(nameName);
  79         return file ? file->fileName() : QString();
  80 }
  81
  82 ///////////////////////////////////////////////////////////////////////////////
  83 // Constructor & Destructor
  84 ///////////////////////////////////////////////////////////////////////////////
  85
  86 UpdaterDialog::UpdaterDialog(QWidget *parent, const SysinfoModel *sysinfo, const char *const updateUrl)
  87 :
  88         QDialog(parent),
  89         ui(new Ui::UpdaterDialog()),
  90         m_sysinfo(sysinfo),
  91         m_updateUrl(updateUrl),
  92         m_status(MUtils::UpdateChecker::UpdateStatus_NotStartedYet),
  93         m_thread(NULL),
  94         m_updaterProcess(NULL),
  95         m_success(false),
  96         m_firstShow(true)
  97 {
  98         //Init the dialog, from the .ui file
  99         ui->setupUi(this);
 100         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
 101
 102         //Fix size
 103         setFixedSize(size());
 104
 105         //Enable buttons
 106         connect(ui->buttonCancel, SIGNAL(clicked()), this, SLOT(close()));
 107         connect(ui->buttonDownload, SIGNAL(clicked()), this, SLOT(installUpdate()));
 108         connect(ui->buttonRetry, SIGNAL(clicked()), this, SLOT(checkForUpdates()));
 109
 110         //Enable info label
 111         connect(ui->labelUrl, SIGNAL(linkActivated(QString)), this, SLOT(openUrl(QString)));
 112
 113         //Init animation
 114         m_animator.reset(new QMovie(":/images/loading.gif"));
 115         ui->labelLoadingCenter->setMovie(m_animator.data());
 116
 117         //Init buttons
 118         ui->buttonCancel->setEnabled(false);
 119         ui->buttonRetry->hide();
 120         ui->buttonDownload->hide();
 121         ui->labelCancel->hide();
 122
 123         //Start animation
 124         SHOW_ANIMATION(true);
 125 }
 126
 127 UpdaterDialog::~UpdaterDialog(void)
 128 {
 129         if(!m_thread.isNull())
 130         {
 131                 if(!m_thread->wait(5000))
 132                 {
 133                         m_thread->terminate();
 134                         m_thread->wait();
 135                 }
 136         }
 137         closeFiles();
 138         delete ui;
 139 }
 140
 141 ///////////////////////////////////////////////////////////////////////////////
 142 // Public Functions
 143 ///////////////////////////////////////////////////////////////////////////////
 144
 145 /*None yet*/
 146
 147 ///////////////////////////////////////////////////////////////////////////////
 148 // Events
 149 ///////////////////////////////////////////////////////////////////////////////
 150
 151 bool UpdaterDialog::event(QEvent *e)
 152 {
 153         if((e->type() == QEvent::ActivationChange) && (m_updaterProcess != NULL))
 154         {
 155                 MUtils::GUI::bring_to_front(m_updaterProcess);
 156         }
 157         return QDialog::event(e);
 158 }
 159
 160 void UpdaterDialog::showEvent(QShowEvent *event)
 161 {
 162         if(m_firstShow)
 163         {
 164                 m_firstShow = false;
 165                 QTimer::singleShot(16, this, SLOT(initUpdate()));
 166         }
 167 }
 168
 169 void UpdaterDialog::closeEvent(QCloseEvent *e)
 170 {
 171         if(!ui->buttonCancel->isEnabled())
 172         {
 173                 e->ignore();
 174         }
 175 }
 176
 177 void UpdaterDialog::keyPressEvent(QKeyEvent *event)
 178 {
 179         switch (event->key())
 180         {
 181         case Qt::Key_Escape:
 182                 if ((!m_thread.isNull()) && m_thread->isRunning())
 183                 {
 184                         if (m_status >= MUtils::UpdateChecker::UpdateStatus_FetchingUpdates)
 185                         {
 186                                 UPDATE_TEXT(2, tr("Cancellation requested..."));
 187                         }
 188                         else
 189                         {
 190                                 UPDATE_TEXT(1, tr("Cancellation requested..."));
 191                         }
 192                         m_thread->cancel();
 193                 }
 194                 break;
 195         case Qt::Key_F11:
 196                 {
 197                         const QString logFilePath = MUtils::make_temp_file(MUtils::temp_folder(), "txt", true);
 198                         if (!logFilePath.isEmpty())
 199                         {
 200                                 qWarning("Write log to: '%s'", MUTILS_UTF8(logFilePath));
 201                                 QFile logFile(logFilePath);
 202                                 if (logFile.open(QIODevice::WriteOnly | QIODevice::Truncate))
 203                                 {
 204                                         logFile.write("\xEF\xBB\xBF");
 205                                         for (QStringList::ConstIterator iter = m_logFile.constBegin(); iter != m_logFile.constEnd(); iter++)
 206                                         {
 207                                                 logFile.write(iter->toUtf8());
 208                                                 logFile.write("\r\n");
 209                                         }
 210                                         logFile.close();
 211                                         QDesktopServices::openUrl(QUrl::fromLocalFile(logFile.fileName()));
 212                                 }
 213                         }
 214                 }
 215                 break;
 216         default:
 217                 QDialog::keyPressEvent(event);
 218         }
 219 }
 220
 221 ///////////////////////////////////////////////////////////////////////////////
 222 // Slots
 223 ///////////////////////////////////////////////////////////////////////////////
 224
 225 void UpdaterDialog::initUpdate(void)
 226 {
 227         //Check binary files
 228         if(!checkBinaries())
 229         {
 230                 ui->buttonCancel->setEnabled(true);
 231                 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;"));
 232                 if(QMessageBox::critical(this, tr("File Error"), message, tr("Download Latest Version"), tr("Discard")) == 0)
 233                 {
 234                         QDesktopServices::openUrl(QUrl(QString::fromLatin1(m_updateUrl)));
 235                 }
 236                 close();
 237                 return;
 238         }
 239
 240         //Make sure user does have admin access
 241         if(!MUtils::OS::user_is_admin())
 242         {
 243                 qWarning("User is not in the \"admin\" group, cannot update!");
 244                 QString message;
 245                 message += QString("<nobr>%1</nobr><br>").arg(tr("Sorry, but only users in the \"Administrators\" group can install updates."));
 246                 message += QString("<nobr>%1</nobr>").arg(tr("Please start application from an administrator account and try again!"));
 247                 if(QMessageBox::critical(this, this->windowTitle(), message, tr("Discard"), tr("Ignore")) != 1)
 248                 {
 249                         ui->buttonCancel->setEnabled(true);
 250                         close();
 251                         return;
 252                 }
 253         }
 254
 255         //Create and setup thread
 256         if(!m_thread)
 257         {
 258                 m_thread.reset(new MUtils::UpdateChecker(GETBIN(m_binaries, "wget.exe"), GETBIN(m_binaries, "netc.exe"), GETBIN(m_binaries, "gpgv.exe"), GETBIN(m_binaries, "gpgv.gpg"), "Simple x264 Launcher", x264_version_build(), false));
 259                 connect(m_thread.data(), SIGNAL(statusChanged(int)), this, SLOT(threadStatusChanged(int)));
 260                 connect(m_thread.data(), SIGNAL(finished()), this, SLOT(threadFinished()));
 261                 connect(m_thread.data(), SIGNAL(terminated()), this, SLOT(threadFinished()));
 262                 connect(m_thread.data(), SIGNAL(messageLogged(QString)), this, SLOT(threadMessageLogged(QString)));
 263         }
 264
 265         //Begin updater run
 266         QTimer::singleShot(16, this, SLOT(checkForUpdates()));
 267 }
 268
 269 void UpdaterDialog::checkForUpdates(void)
 270 {
 271         if((!m_thread) || m_thread->isRunning())
 272         {
 273                 qWarning("Update in progress, cannot check for updates now!");
 274         }
 275
 276         //Clear texts
 277         ui->retranslateUi(this);
 278         ui->labelBuildNo->setText(tr("Installed build is #%1  |  Latest build is #%2").arg(QString::number(x264_version_build()), tr("N/A")));
 279
 280         //Init buttons
 281         ui->buttonCancel->setEnabled(false);
 282         ui->buttonRetry->hide();
 283         ui->buttonDownload->hide();
 284
 285         //Hide labels
 286         ui->labelInfo->hide();
 287         ui->labelUrl->hide();
 288         ui->labelCancel->show();
 289
 290         //Update status
 291         threadStatusChanged(MUtils::UpdateChecker::UpdateStatus_NotStartedYet);
 292
 293         //Start animation
 294         SHOW_ANIMATION(true);
 295
 296         //Update cursor
 297         QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 298         QApplication::setOverrideCursor(Qt::WaitCursor);
 299
 300         //Clear log
 301         m_logFile.clear();
 302
 303         //Init timer
 304         m_elapsed.reset(new QElapsedTimer());
 305         m_elapsed->start();
 306
 307         //Start the updater thread
 308         QTimer::singleShot(125, m_thread.data(), SLOT(start()));
 309 }
 310
 311 void UpdaterDialog::threadStatusChanged(int status)
 312 {
 313         const int prevStatus = m_status;
 314         switch(m_status = status)
 315         {
 316         case MUtils::UpdateChecker::UpdateStatus_NotStartedYet:
 317                 UPDATE_ICON(1, "clock");
 318                 UPDATE_ICON(2, "clock");
 319                 UPDATE_ICON(3, "clock");
 320                 break;
 321         case MUtils::UpdateChecker::UpdateStatus_CheckingConnection:
 322                 UPDATE_ICON(1, "play");
 323                 break;
 324         case MUtils::UpdateChecker::UpdateStatus_FetchingUpdates:
 325                 UPDATE_ICON(1, "shield_green");
 326                 UPDATE_TEXT(1, tr("Internet connection is working."));
 327                 UPDATE_ICON(2, "play");
 328                 break;
 329         case MUtils::UpdateChecker::UpdateStatus_ErrorNoConnection:
 330                 UPDATE_ICON(1, "shield_error");
 331                 UPDATE_TEXT(1, tr("Computer is currently offline!"));
 332                 UPDATE_ICON(2, "shield_grey");
 333                 UPDATE_ICON(3, "shield_grey");
 334                 break;
 335         case MUtils::UpdateChecker::UpdateStatus_ErrorConnectionTestFailed:
 336                 UPDATE_ICON(1, "shield_error");
 337                 UPDATE_TEXT(1, tr("Internet connectivity test failed!"));
 338                 UPDATE_ICON(2, "shield_grey");
 339                 UPDATE_ICON(3, "shield_grey");
 340                 break;
 341         case MUtils::UpdateChecker::UpdateStatus_ErrorFetchUpdateInfo:
 342                 UPDATE_ICON(2, "shield_error");
 343                 UPDATE_TEXT(2, tr("Failed to download the update information!"));
 344                 UPDATE_ICON(3, "shield_grey");
 345                 break;
 346         case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 347         case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 348         case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 349                 UPDATE_ICON(2, "shield_green");
 350                 UPDATE_TEXT(2, tr("Update information received successfully."));
 351                 UPDATE_ICON(3, "play");
 352                 break;
 353         case MUtils::UpdateChecker::UpdateStatus_CancelledByUser:
 354                 if (prevStatus >= MUtils::UpdateChecker::UpdateStatus_FetchingUpdates)
 355                 {
 356                         UPDATE_ICON(2, "shield_error");
 357                         UPDATE_TEXT(2, tr("Operation was cancelled by the user!"));
 358                         UPDATE_ICON(3, "shield_grey");
 359                 }
 360                 else
 361                 {
 362                         UPDATE_ICON(1, "shield_error");
 363                         UPDATE_TEXT(1, tr("Operation was cancelled by the user!"));
 364                         UPDATE_ICON(2, "shield_grey");
 365                         UPDATE_ICON(3, "shield_grey");
 366                 }
 367                 break;
 368         default:
 369                 MUTILS_THROW("Unknown status code!");
 370         }
 371 }
 372
 373 void UpdaterDialog::threadFinished(void)
 374 {
 375         m_success = m_thread->getSuccess();
 376         ui->labelCancel->hide();
 377         QTimer::singleShot((m_success ? 500 : 0), this, SLOT(updateFinished()));
 378 }
 379
 380 void UpdaterDialog::updateFinished(void)
 381 {
 382         //Query the timer, if available
 383         if (!m_elapsed.isNull())
 384         {
 385                 const quint64 elapsed = m_elapsed->restart();
 386                 qDebug("Update check completed after %.2f seconds.", double(elapsed) / 1000.0);
 387         }
 388
 389         //Restore cursor
 390         QApplication::restoreOverrideCursor();
 391
 392         //If update was successfull, process final updater state
 393         if(m_thread->getSuccess())
 394         {
 395                 switch(m_status)
 396                 {
 397                 case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 398                         UPDATE_ICON(3, "shield_exclamation");
 399                         UPDATE_TEXT(3, tr("A newer version is available!"));
 400                         ui->buttonDownload->show();
 401                         break;
 402                 case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 403                         UPDATE_ICON(3, "shield_green");
 404                         UPDATE_TEXT(3, tr("Your version is up-to-date."));
 405                         break;
 406                 case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 407                         UPDATE_ICON(3, "shield_blue");
 408                         UPDATE_TEXT(3, tr("You are using a pre-release version!"));
 409                         break;
 410                 default:
 411                         qWarning("Update thread succeeded with unexpected status code: %d", m_status);
 412                 }
 413         }
 414
 415         //Show update info or retry button
 416         switch(m_status)
 417         {
 418         case MUtils::UpdateChecker::UpdateStatus_CompletedUpdateAvailable:
 419         case MUtils::UpdateChecker::UpdateStatus_CompletedNoUpdates:
 420         case MUtils::UpdateChecker::UpdateStatus_CompletedNewVersionOlder:
 421                 SHOW_ANIMATION(false);
 422                 ui->labelBuildNo->setText(tr("Installed build is #%1  |  Latest build is #%2").arg(QString::number(x264_version_build()), QString::number(m_thread->getUpdateInfo()->getBuildNo())));
 423                 ui->labelUrl->setText(QString("<a href=\"%1\">%1</a>").arg(m_thread->getUpdateInfo()->getDownloadSite()));
 424                 break;
 425         case MUtils::UpdateChecker::UpdateStatus_ErrorNoConnection:
 426         case MUtils::UpdateChecker::UpdateStatus_ErrorConnectionTestFailed:
 427         case MUtils::UpdateChecker::UpdateStatus_ErrorFetchUpdateInfo:
 428         case MUtils::UpdateChecker::UpdateStatus_CancelledByUser:
 429                 m_animator->stop();
 430                 ui->buttonRetry->show();
 431                 break;
 432         default:
 433                 qWarning("Update thread finished with unexpected status code: %d", m_status);
 434         }
 435
 436         //Re-enbale cancel button
 437         ui->buttonCancel->setEnabled(true);
 438
 439 }
 440
 441 void UpdaterDialog::threadMessageLogged(const QString &message)
 442 {
 443         m_logFile << message;
 444 }
 445
 446 void UpdaterDialog::openUrl(const QString &url)
 447 {
 448         qDebug("Open URL: %s", url.toLatin1().constData());
 449         QDesktopServices::openUrl(QUrl(url));
 450 }
 451
 452 void UpdaterDialog::installUpdate(void)
 453 {
 454         if(!((m_thread) && m_thread->getSuccess()))
 455         {
 456                 qWarning("Cannot download/install update at this point!");
 457                 return;
 458         }
 459
 460         QApplication::setOverrideCursor(Qt::WaitCursor);
 461         ui->buttonDownload->hide();
 462         ui->buttonCancel->setEnabled(false);
 463         SHOW_ANIMATION(true);
 464
 465         const MUtils::UpdateCheckerInfo *updateInfo = m_thread->getUpdateInfo();
 466
 467         QProcess process;
 468         QStringList args;
 469         QEventLoop loop;
 470
 471         MUtils::init_process(process, MUtils::temp_folder(), false);
 472
 473         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 474         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 475
 476         args << QString("/Location=%1").arg(updateInfo->getDownloadAddress());
 477         args << QString("/Filename=%1").arg(updateInfo->getDownloadFilename());
 478         args << QString("/TicketID=%1").arg(updateInfo->getDownloadFilecode());
 479         args << QString("/CheckSum=%1").arg(updateInfo->getDownloadChecksum());
 480         args << QString("/ToFolder=%1").arg(QDir::toNativeSeparators(QDir(QApplication::applicationDirPath()).canonicalPath()));
 481         args << QString("/ToExFile=%1.exe").arg(QFileInfo(QFileInfo(QApplication::applicationFilePath()).canonicalFilePath()).completeBaseName());
 482         args << QString("/AppTitle=Simple x264 Launcher (Build #%1)").arg(QString::number(updateInfo->getBuildNo()));
 483
 484         process.start(GETBIN(m_binaries, "wupd.exe"), args);
 485         if(!process.waitForStarted())
 486         {
 487                 QApplication::restoreOverrideCursor();
 488                 SHOW_ANIMATION(false);
 489                 QMessageBox::critical(this, tr("Update Failed"), tr("Sorry, failed to launch web-update program!"));
 490                 ui->buttonDownload->show();
 491                 ui->buttonCancel->setEnabled(true);
 492                 return;
 493         }
 494
 495         m_updaterProcess = MUtils::OS::process_id(&process);
 496         loop.exec(QEventLoop::ExcludeUserInputEvents);
 497
 498         if(!process.waitForFinished())
 499         {
 500                 process.kill();
 501                 process.waitForFinished();
 502         }
 503
 504         m_updaterProcess = NULL;
 505         QApplication::restoreOverrideCursor();
 506         ui->buttonDownload->show();
 507         ui->buttonCancel->setEnabled(true);
 508         SHOW_ANIMATION(false);
 509
 510         if(process.exitCode() == 0)
 511         {
 512                 done(READY_TO_INSTALL_UPDATE);
 513         }
 514 }
 515
 516 ///////////////////////////////////////////////////////////////////////////////
 517 // Private Functions
 518 ///////////////////////////////////////////////////////////////////////////////
 519
 520 bool UpdaterDialog::checkBinaries(void)
 521 {
 522         qDebug("[File Verification]");
 523         for(size_t i = 0; BINARIES[i].name; i++)
 524         {
 525                 const QString name = QString::fromLatin1(BINARIES[i].name);
 526                 if (!m_binaries.contains(name))
 527                 {
 528                         QScopedPointer<QFile> binary(new QFile(QString("%1/toolset/common/%2").arg(m_sysinfo->getAppPath(), name)));
 529                         if (binary->open(QIODevice::ReadOnly))
 530                         {
 531                                 if (checkFileHash(binary->fileName(), BINARIES[i].hash))
 532                                 {
 533                                         QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 534                                         m_binaries.insert(name, binary.take());
 535                                 }
 536                                 else
 537                                 {
 538                                         qWarning("Verification of '%s' has failed!", MUTILS_UTF8(name));
 539                                         return false;
 540                                 }
 541                         }
 542                         else
 543                         {
 544                                 qWarning("File '%s' could not be opened!", MUTILS_UTF8(name));
 545                                 return false;
 546                         }
 547                 }
 548         }
 549         qDebug("File check completed.\n");
 550         return true;
 551 }
 552
 553 bool UpdaterDialog::checkFileHash(const QString &filePath, const char *expectedHash)
 554 {
 555         qDebug("Checking file: %s", MUTILS_UTF8(filePath));
 556         QScopedPointer<MUtils::Hash::Hash> checksum(MUtils::Hash::create(MUtils::Hash::HASH_BLAKE2_512, DIGEST_KEY));
 557         QFile file(filePath);
 558         if(file.open(QIODevice::ReadOnly))
 559         {
 560                 checksum->update(file);
 561                 const QByteArray fileHash = checksum->digest();
 562                 if((strlen(expectedHash) != fileHash.size()) || (memcmp(fileHash.constData(), expectedHash, fileHash.size()) != 0))
 563                 {
 564                         qWarning("\nFile appears to be corrupted:\n%s\n", filePath.toUtf8().constData());
 565                         qWarning("Expected Hash: %s\nDetected Hash: %s\n", expectedHash, fileHash.constData());
 566                         return false;
 567                 }
 568                 return true;
 569         }
 570         else
 571         {
 572                 qWarning("Failed to open file:\n%s\n", filePath.toUtf8().constData());
 573                 return false;
 574         }
 575 }
 576
 577 void UpdaterDialog::closeFiles(void)
 578 {
 579         if (!m_binaries.empty())
 580         {
 581                 for (QMap<QString, QFile*>::ConstIterator iter = m_binaries.constBegin(); iter != m_binaries.constEnd(); iter++)
 582                 {
 583                         if (QFile *const file = iter.value())
 584                         {
 585                                 file->close();
 586                                 delete (file);
 587                         }
 588                 }
 589                 m_binaries.clear();
 590         }
 591 }