src/UpdateChecker.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This library is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU Lesser General Public
   7 // License as published by the Free Software Foundation; either
   8 // version 2.1 of the License, or (at your option) any later version.
   9 //
  10 // This library 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 GNU
  13 // Lesser General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Lesser General Public
  16 // License along with this library; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19 // http://www.gnu.org/licenses/lgpl-2.1.txt
  20 //////////////////////////////////////////////////////////////////////////////////
  21
  22 #include <MUtils/Global.h>
  23 #include <MUtils/UpdateChecker.h>
  24 #include <MUtils/OSSupport.h>
  25 #include <MUtils/Exception.h>
  26
  27 #include <QStringList>
  28 #include <QFile>
  29 #include <QFileInfo>
  30 #include <QProcess>
  31 #include <QUrl>
  32 #include <QEventLoop>
  33 #include <QTimer>
  34
  35 using namespace MUtils;
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // CONSTANTS
  39 ///////////////////////////////////////////////////////////////////////////////
  40
  41 static const char *header_id = "!Update";
  42
  43 static const char *mirror_url_postfix[] =
  44 {
  45         "update.ver",
  46         "update_beta.ver",
  47         NULL
  48 };
  49
  50 static const char *update_mirrors_prim[] =
  51 {
  52         "http://muldersoft.com/",
  53         "http://mulder.bplaced.net/",                   //"http://mulder.cwsurf.de/",
  54         "http://mulder.6te.net/",
  55         "http://mulder.webuda.com/",                    //"http://mulder.byethost13.com/",
  56         "http://mulder.pe.hu/",                                 //"http://muldersoft.kilu.de/",
  57         "http://muldersoft.square7.ch/",                //"http://muldersoft.zxq.net/",
  58         "http://muldersoft.co.nf/",
  59         "http://muldersoft.eu.pn/",
  60         "http://muldersoft.lima-city.de/",
  61         "http://www.muldersoft.keepfree.de/",
  62         "http://lamexp.sourceforge.net/",
  63         "http://lordmulder.github.io/LameXP/",
  64         "http://lord_mulder.bitbucket.org/",
  65         "http://www.tricksoft.de/",
  66         NULL
  67 };
  68
  69 static const char *update_mirrors_back[] =
  70 {
  71         "http://mplayer.savedonthe.net/",
  72         NULL
  73 };
  74
  75 static const char *known_hosts[] =              //Taken form: http://www.alexa.com/topsites !!!
  76 {
  77         "http://www.163.com/",
  78         "http://www.7-zip.org/",
  79         "http://www.ac3filter.net/",
  80         "http://clbianco.altervista.org/",
  81         "http://status.aws.amazon.com/",
  82         "http://build.antergos.com/",
  83         "http://www.aol.com/",
  84         "http://www.apache.org/",
  85         "http://www.apple.com/",
  86         "http://www.adobe.com/",
  87         "http://archive.org/web/",
  88         "http://www.artlebedev.ru/",
  89         "http://web.audacityteam.org/",
  90         "http://status.automattic.com/",
  91         "http://www.avidemux.org/",
  92         "http://www.babylon.com/",
  93         "http://www.baidu.com/",
  94         "http://bandcamp.com/",
  95         "http://www.bbc.co.uk/",
  96         "http://www.berlios.de/",
  97         "http://www.bing.com/",
  98         "http://www.bingeandgrab.com/",
  99         "http://www.bucketheadpikes.com/",
 100         "http://www.buckethead-coop.com/",
 101         "http://www.buzzfeed.com/",
 102         "http://www.ccc.de/",
 103         "http://www.citizeninsomniac.com/WMV/",
 104         "http://www.cnet.com/",
 105         "http://cnzz.com/",
 106         "http://www.codeplex.com/",
 107         "http://www.codeproject.com/",
 108         "http://www.der-postillon.com/",
 109         "http://www.ebay.com/",
 110         "http://www.equation.com/",
 111         "http://www.farbrausch.de/",
 112         "http://fc2.com/",
 113         "http://fedoraproject.org/wiki/Fedora_Project_Wiki",
 114         "http://blog.fefe.de/",
 115         "http://www.ffmpeg.org/",
 116         "http://blog.flickr.net/en",
 117         "http://free-codecs.com/",
 118         "http://git-scm.com/",
 119         "http://doc.gitlab.com/",
 120         "http://www.gmx.net/",
 121         "http://news.gnome.org/",
 122         "http://www.gnu.org/",
 123         "http://go.com/",
 124         "http://code.google.com/",
 125         "http://haali.su/mkv/",
 126         "http://www.heise.de/",
 127         "http://www.huffingtonpost.co.uk/",
 128         "http://www.iana.org/",
 129         "http://www.imdb.com/",
 130         "http://www.imgburn.com/",
 131         "http://imgur.com/",
 132         "http://www.jd.com/contact/",
 133         "http://www.jiscdigitalmedia.ac.uk/",
 134         "http://kannmanumdieuhrzeitschonnbierchentrinken.de/",
 135         "http://mirrors.kernel.org/",
 136         "http://komisar.gin.by/",
 137         "http://lame.sourceforge.net/",
 138         "http://www.libav.org/",
 139         "http://blog.linkedin.com/",
 140         "http://www.linuxmint.com/",
 141         "http://www.livedoor.com/",
 142         "http://www.livejournal.com/",
 143         "http://longplayer.org/",
 144         "http://go.mail.ru/",
 145         "http://marknelson.us/",
 146         "http://www.mediafire.com/about/",
 147         "http://www.mod-technologies.com/",
 148         "http://ftp.mozilla.org/",
 149         "http://mplayerhq.hu/",
 150         "http://www.msn.com/en-us/",
 151         "http://wiki.multimedia.cx/",
 152         "http://www.nch.com.au/",
 153         "http://mirror.netcologne.de/",
 154         "http://oss.netfarm.it/",
 155         "http://blog.netflix.com/",
 156         "http://netrenderer.de/",
 157         "http://www.nytimes.com/",
 158         "http://www.opera.com/",
 159         "http://www.partha.com/",
 160         "http://pastebin.com/",
 161         "http://pastie.org/",
 162         "http://portableapps.com/about",
 163         "http://www.portablefreeware.com/",
 164         "http://support.proboards.com/",
 165         "http://www.qq.com/",
 166         "http://www.qt.io/",
 167         "http://www.quakelive.com/",
 168         "http://rationalqm.us/mine.html",
 169         "http://www.seamonkey-project.org/",
 170         "http://selfhtml.org/",
 171         "http://www.sina.com.cn/",
 172         "http://www.sohu.com/",
 173         "http://help.sogou.com/",
 174         "http://sourceforge.net/",
 175         "http://www.spiegel.de/",
 176         "http://www.sputnikmusic.com/",
 177         "http://stackoverflow.com/",
 178         "http://www.t-online.de/",
 179         "http://www.tagesschau.de/",
 180         "http://tdm-gcc.tdragon.net/",
 181         "http://www.tdrsmusic.com/",
 182         "http://www.ubuntu.com/",
 183         "http://www.uol.com.br/",
 184         "http://www.videohelp.com/",
 185         "http://www.videolan.org/",
 186         "http://virtualdub.org/",
 187         "http://blog.virustotal.com/",
 188         "http://www.vkgoeswild.com/",
 189         "http://www.warr.org/WAhere.html",
 190         "http://www.weibo.com/login.php",
 191         "http://status.wikimedia.org/",
 192         "http://www.winamp.com/",
 193         "http://www.winhoros.de/",
 194         "http://wpde.org/",
 195         "http://x265.org/",
 196         "http://xhmikosr.1f0.de/",
 197         "http://xiph.org/",
 198         "http://us.mail.yahoo.com/",
 199         "http://www.youtube.com/yt/about/",
 200         "http://www.zedo.com/",
 201         "http://ffmpeg.zeranoe.com/",
 202         NULL
 203 };
 204
 205 static const int MIN_CONNSCORE = 8;
 206 static const int VERSION_INFO_EXPIRES_MONTHS = 6;
 207 static char *USER_AGENT_STR = "Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20111106 IceCat/7.0.1";
 208
 209 //Helper function
 210 static int getMaxProgress(void)
 211 {
 212         int counter = MIN_CONNSCORE + 2;
 213         for(int i = 0; update_mirrors_prim[i]; i++) counter++;
 214         for(int i = 0; update_mirrors_back[i]; i++) counter++;
 215         return counter;
 216 }
 217
 218 ////////////////////////////////////////////////////////////
 219 // Update Info Class
 220 ////////////////////////////////////////////////////////////
 221
 222 UpdateCheckerInfo::UpdateCheckerInfo(void)
 223 {
 224         resetInfo();
 225 }
 226
 227 void UpdateCheckerInfo::resetInfo(void)
 228 {
 229         m_buildNo = 0;
 230         m_buildDate.setDate(1900, 1, 1);
 231         m_downloadSite.clear();
 232         m_downloadAddress.clear();
 233         m_downloadFilename.clear();
 234         m_downloadFilecode.clear();
 235         m_downloadChecksum.clear();
 236 }
 237
 238 bool UpdateCheckerInfo::isComplete(void)
 239 {
 240         if(this->m_buildNo < 1)                return false;
 241         if(this->m_buildDate.year() < 2010)    return false;
 242         if(this->m_downloadSite.isEmpty())     return false;
 243         if(this->m_downloadAddress.isEmpty())  return false;
 244         if(this->m_downloadFilename.isEmpty()) return false;
 245         if(this->m_downloadFilecode.isEmpty()) return false;
 246         if(this->m_downloadChecksum.isEmpty()) return false;
 247
 248         return true;
 249 }
 250
 251 ////////////////////////////////////////////////////////////
 252 // Constructor & Destructor
 253 ////////////////////////////////////////////////////////////
 254
 255 UpdateChecker::UpdateChecker(const QString &binWGet, const QString &binGnuPG, const QString &binKeys, const QString &applicationId, const quint32 &installedBuildNo, const bool betaUpdates, const bool testMode)
 256 :
 257         m_updateInfo(new UpdateCheckerInfo()),
 258         m_binaryWGet(binWGet),
 259         m_binaryGnuPG(binGnuPG),
 260         m_binaryKeys(binKeys),
 261         m_applicationId(applicationId),
 262         m_installedBuildNo(installedBuildNo),
 263         m_betaUpdates(betaUpdates),
 264         m_testMode(testMode),
 265         m_maxProgress(getMaxProgress())
 266 {
 267         m_success = false;
 268         m_status = UpdateStatus_NotStartedYet;
 269         m_progress = 0;
 270
 271         if(m_binaryWGet.isEmpty() || m_binaryGnuPG.isEmpty() || m_binaryKeys.isEmpty())
 272         {
 273                 MUTILS_THROW("Tools not initialized correctly!");
 274         }
 275 }
 276
 277 UpdateChecker::~UpdateChecker(void)
 278 {
 279 }
 280
 281 ////////////////////////////////////////////////////////////
 282 // Protected functions
 283 ////////////////////////////////////////////////////////////
 284
 285 void UpdateChecker::run(void)
 286 {
 287         qDebug("Update checker thread started!");
 288         MUTILS_EXCEPTION_HANDLER(m_testMode ? testKnownHosts() : checkForUpdates());
 289         qDebug("Update checker thread completed.");
 290 }
 291
 292 void UpdateChecker::checkForUpdates(void)
 293 {
 294         // ----- Initialization ----- //
 295
 296         m_success = false;
 297         m_updateInfo->resetInfo();
 298         seed_rand();
 299         setProgress(0);
 300
 301         // ----- Test Internet Connection ----- //
 302
 303         int connectionScore = 0;
 304         int maxConnectTries = (3 * MIN_CONNSCORE) / 2;
 305
 306         log("Checking internet connection...");
 307         setStatus(UpdateStatus_CheckingConnection);
 308
 309         const int networkStatus = OS::network_status();
 310         if(networkStatus == OS::NETWORK_TYPE_NON)
 311         {
 312                 log("", "Operating system reports that the computer is currently offline !!!");
 313                 setProgress(m_maxProgress);
 314                 setStatus(UpdateStatus_ErrorNoConnection);
 315                 return;
 316         }
 317
 318         setProgress(1);
 319
 320         // ----- Test Known Hosts Connectivity ----- //
 321
 322         QStringList hostList;
 323         for(int i = 0; known_hosts[i]; i++)
 324         {
 325                 hostList << QString::fromLatin1(known_hosts[i]);
 326         }
 327
 328         while(!(hostList.isEmpty() || (connectionScore >= MIN_CONNSCORE) || (maxConnectTries < 1)))
 329         {
 330                 switch(tryContactHost(hostList.takeAt(next_rand32() % hostList.count())))
 331                 {
 332                         case 01: connectionScore += 1; break;
 333                         case 02: connectionScore += 2; break;
 334                         default: maxConnectTries -= 1; break;
 335                 }
 336                 setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
 337                 msleep(64);
 338         }
 339
 340         if(connectionScore < MIN_CONNSCORE)
 341         {
 342                 log("", "Connectivity test has failed: Internet connection appears to be broken!");
 343                 setProgress(m_maxProgress);
 344                 setStatus(UpdateStatus_ErrorConnectionTestFailed);
 345                 return;
 346         }
 347
 348         // ----- Build Mirror List ----- //
 349
 350         log("", "----", "", "Checking for updates online...");
 351         setStatus(UpdateStatus_FetchingUpdates);
 352
 353         QStringList mirrorList;
 354         for(int index = 0; update_mirrors_prim[index]; index++)
 355         {
 356                 mirrorList << QString::fromLatin1(update_mirrors_prim[index]);
 357         }
 358
 359         if(const int len = mirrorList.count())
 360         {
 361                 const int rounds = len * 1097;
 362                 for(int i = 0; i < rounds; i++)
 363                 {
 364                         mirrorList.swap(i % len, next_rand32() % len);
 365                 }
 366         }
 367
 368         for(int index = 0; update_mirrors_back[index]; index++)
 369         {
 370                 mirrorList << QString::fromLatin1(update_mirrors_back[index]);
 371         }
 372
 373         // ----- Fetch Update Info From Server ----- //
 374
 375         while(!mirrorList.isEmpty())
 376         {
 377                 QString currentMirror = mirrorList.takeFirst();
 378                 setProgress(m_progress + 1);
 379                 if(!m_success)
 380                 {
 381                         if(tryUpdateMirror(m_updateInfo.data(), currentMirror))
 382                         {
 383                                 m_success = true;
 384                         }
 385                 }
 386                 else
 387                 {
 388                         msleep(64);
 389                 }
 390         }
 391
 392         setProgress(m_maxProgress);
 393
 394         if(m_success)
 395         {
 396                 if(m_updateInfo->m_buildNo > m_installedBuildNo)
 397                 {
 398                         setStatus(UpdateStatus_CompletedUpdateAvailable);
 399                 }
 400                 else if(m_updateInfo->m_buildNo == m_installedBuildNo)
 401                 {
 402                         setStatus(UpdateStatus_CompletedNoUpdates);
 403                 }
 404                 else
 405                 {
 406                         setStatus(UpdateStatus_CompletedNewVersionOlder);
 407                 }
 408         }
 409         else
 410         {
 411                 setStatus(UpdateStatus_ErrorFetchUpdateInfo);
 412         }
 413 }
 414
 415 void UpdateChecker::testKnownHosts(void)
 416 {
 417         QStringList hostList;
 418         for(int i = 0; known_hosts[i]; i++)
 419         {
 420                 hostList << QString::fromLatin1(known_hosts[i]);
 421         }
 422
 423         qDebug("\n[Known Hosts]");
 424         log("Testing all known hosts...", "", "---");
 425
 426         int hostCount = hostList.count();
 427         while(!hostList.isEmpty())
 428         {
 429                 QString currentHost = hostList.takeFirst();
 430                 qDebug("Testing: %s", currentHost.toLatin1().constData());
 431                 log("", "Testing:", currentHost, "");
 432                 QString outFile = QString("%1/%2.htm").arg(temp_folder(), rand_str());
 433                 bool httpOk = false;
 434                 if(!getFile(currentHost, outFile, 0, &httpOk))
 435                 {
 436                         if(httpOk)
 437                         {
 438                                 qWarning("\nConnectivity test was SLOW on the following site:\n%s\n", currentHost.toLatin1().constData());
 439                         }
 440                         else
 441                         {
 442                                 qWarning("\nConnectivity test FAILED on the following site:\n%s\n", currentHost.toLatin1().constData());
 443                         }
 444                 }
 445                 log("", "---");
 446                 QFile::remove(outFile);
 447         }
 448 }
 449
 450 ////////////////////////////////////////////////////////////
 451 // PRIVATE FUNCTIONS
 452 ////////////////////////////////////////////////////////////
 453
 454 void UpdateChecker::setStatus(const int status)
 455 {
 456         if(m_status != status)
 457         {
 458                 m_status = status;
 459                 emit statusChanged(status);
 460         }
 461 }
 462
 463 void UpdateChecker::setProgress(const int progress)
 464 {
 465         if(m_progress != progress)
 466         {
 467                 m_progress = progress;
 468                 emit progressChanged(progress);
 469         }
 470 }
 471
 472 void UpdateChecker::log(const QString &str1, const QString &str2, const QString &str3, const QString &str4)
 473 {
 474         if(!str1.isNull()) emit messageLogged(str1);
 475         if(!str2.isNull()) emit messageLogged(str2);
 476         if(!str3.isNull()) emit messageLogged(str3);
 477         if(!str4.isNull()) emit messageLogged(str4);
 478 }
 479
 480 int UpdateChecker::tryContactHost(const QString &url)
 481 {
 482                 int result = -1; bool httpOkay = false;
 483                 const QString outFile = QString("%1/%2.htm").arg(temp_folder(), rand_str());
 484                 log("", "Testing host:", url);
 485
 486                 if(getFile(url, outFile, 0, &httpOkay))
 487                 {
 488                         log("Connection to host was established successfully.");
 489                         result = 2;
 490                 }
 491                 else
 492                 {
 493                         if(httpOkay)
 494                         {
 495                                 log("Connection to host timed out after HTTP OK was received.");
 496                                 result = 1;
 497                         }
 498                         else
 499                         {
 500                                 log("Connection failed: The host could not be reached!");
 501                                 result = 0;
 502                         }
 503                 }
 504
 505                 QFile::remove(outFile);
 506                 return result;
 507 }
 508
 509 bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url)
 510 {
 511         bool success = false;
 512         log("", "Trying mirror:", url);
 513
 514         const QString randPart = rand_str();
 515         const QString outFileVers = QString("%1/%2.ver").arg(temp_folder(), randPart);
 516         const QString outFileSign = QString("%1/%2.sig").arg(temp_folder(), randPart);
 517
 518         if(getUpdateInfo(url, outFileVers, outFileSign))
 519         {
 520                 log("", "Download okay, checking signature:");
 521                 if(checkSignature(outFileVers, outFileSign))
 522                 {
 523                         log("", "Signature okay, parsing info:");
 524                         success = parseVersionInfo(outFileVers, updateInfo);
 525                 }
 526                 else
 527                 {
 528                         log("", "Bad signature, take care!");
 529                 }
 530         }
 531         else
 532         {
 533                 log("", "Download has failed!");
 534         }
 535
 536         QFile::remove(outFileVers);
 537         QFile::remove(outFileSign);
 538
 539         return success;
 540 }
 541
 542 bool UpdateChecker::getUpdateInfo(const QString &url, const QString &outFileVers, const QString &outFileSign)
 543 {
 544         log("", "Downloading update info:");
 545         if(!getFile(QString("%1%2"     ).arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileVers))
 546         {
 547                 return false;
 548         }
 549
 550         log("", "Downloading signature:");
 551         if(!getFile(QString("%1%2.sig2").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileSign))
 552         {
 553                 return false;
 554         }
 555
 556         return true;
 557 }
 558
 559 bool UpdateChecker::getFile(const QString &url, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
 560 {
 561         for(int i = 0; i < 2; i++)
 562         {
 563                 if(getFile(url, (i > 0), outFile, maxRedir, httpOk))
 564                 {
 565                         return true;
 566                 }
 567         }
 568         return false;
 569 }
 570
 571 bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
 572 {
 573         QFileInfo output(outFile);
 574         output.setCaching(false);
 575         if(httpOk) *httpOk = false;
 576
 577         if(output.exists())
 578         {
 579                 QFile::remove(output.canonicalFilePath());
 580                 if(output.exists())
 581                 {
 582                         return false;
 583                 }
 584         }
 585
 586         QProcess process;
 587         init_process(process, output.absolutePath());
 588
 589         QStringList args;
 590         if(forceIp4)
 591         {
 592                 args << "-4";
 593         }
 594
 595         args << "-T" << "15" << "--no-cache" << "--no-dns-cache" << QString().sprintf("--max-redirect=%u", maxRedir);
 596         args << QString("--referer=%1://%2/").arg(QUrl(url).scheme(), QUrl(url).host()) << "-U" << USER_AGENT_STR;
 597         args << "-O" << output.fileName() << url;
 598
 599         QEventLoop loop;
 600         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 601         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 602         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 603
 604         QTimer timer;
 605         timer.setSingleShot(true);
 606         connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 607
 608         const QRegExp httpResponseOK("200 OK$");
 609
 610         process.start(m_binaryWGet, args);
 611
 612         if(!process.waitForStarted())
 613         {
 614                 return false;
 615         }
 616
 617         timer.start(25000);
 618
 619         while(process.state() != QProcess::NotRunning)
 620         {
 621                 loop.exec();
 622                 const bool bTimeOut = (!timer.isActive());
 623                 while(process.canReadLine())
 624                 {
 625                         QString line = QString::fromLatin1(process.readLine()).simplified();
 626                         if(line.contains(httpResponseOK))
 627                         {
 628                                 line.append(" [OK]");
 629                                 if(httpOk) *httpOk = true;
 630                         }
 631                         log(line);
 632                 }
 633                 if(bTimeOut)
 634                 {
 635                         qWarning("WGet process timed out <-- killing!");
 636                         process.kill();
 637                         process.waitForFinished();
 638                         log("!!! TIMEOUT !!!");
 639                         return false;
 640                 }
 641         }
 642
 643         timer.stop();
 644         timer.disconnect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 645
 646         log(QString().sprintf("Exited with code %d", process.exitCode()));
 647         return (process.exitCode() == 0) && output.exists() && output.isFile();
 648 }
 649
 650 bool UpdateChecker::checkSignature(const QString &file, const QString &signature)
 651 {
 652         if(QFileInfo(file).absolutePath().compare(QFileInfo(signature).absolutePath(), Qt::CaseInsensitive) != 0)
 653         {
 654                 qWarning("CheckSignature: File and signature should be in same folder!");
 655                 return false;
 656         }
 657
 658         QString keyRingPath(m_binaryKeys);
 659         bool removeKeyring = false;
 660         if(QFileInfo(file).absolutePath().compare(QFileInfo(m_binaryKeys).absolutePath(), Qt::CaseInsensitive) != 0)
 661         {
 662                 keyRingPath = make_temp_file(QFileInfo(file).absolutePath(), "gpg");
 663                 removeKeyring = true;
 664                 if(!QFile::copy(m_binaryKeys, keyRingPath))
 665                 {
 666                         qWarning("CheckSignature: Failed to copy the key-ring file!");
 667                         return false;
 668                 }
 669         }
 670
 671         QProcess process;
 672         init_process(process, QFileInfo(file).absolutePath());
 673
 674         QEventLoop loop;
 675         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 676         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 677         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 678
 679         process.start(m_binaryGnuPG, QStringList() << "--homedir" << "." << "--keyring" << QFileInfo(keyRingPath).fileName() << QFileInfo(signature).fileName() << QFileInfo(file).fileName());
 680
 681         if(!process.waitForStarted())
 682         {
 683                 if(removeKeyring)
 684                 {
 685                         remove_file(keyRingPath);
 686                 }
 687                 return false;
 688         }
 689
 690         while(process.state() == QProcess::Running)
 691         {
 692                 loop.exec();
 693                 while(process.canReadLine())
 694                 {
 695                         log(QString::fromLatin1(process.readLine()).simplified());
 696                 }
 697         }
 698
 699         if(removeKeyring)
 700         {
 701                 remove_file(keyRingPath);
 702         }
 703
 704         log(QString().sprintf("Exited with code %d", process.exitCode()));
 705         return (process.exitCode() == 0);
 706 }
 707
 708 bool UpdateChecker::parseVersionInfo(const QString &file, UpdateCheckerInfo *updateInfo)
 709 {
 710         QRegExp value("^(\\w+)=(.+)$");
 711         QRegExp section("^\\[(.+)\\]$");
 712
 713         QDate updateInfoDate;
 714         updateInfo->resetInfo();
 715
 716         QFile data(file);
 717         if(!data.open(QIODevice::ReadOnly))
 718         {
 719                 qWarning("Cannot open update info file for reading!");
 720                 return false;
 721         }
 722
 723         bool inHdr = false;
 724         bool inSec = false;
 725
 726         while(!data.atEnd())
 727         {
 728                 QString line = QString::fromLatin1(data.readLine()).trimmed();
 729                 if(section.indexIn(line) >= 0)
 730                 {
 731                         log(QString("Sec: [%1]").arg(section.cap(1)));
 732                         inSec = (section.cap(1).compare(m_applicationId, Qt::CaseInsensitive) == 0);
 733                         inHdr = (section.cap(1).compare(QString::fromLatin1(header_id), Qt::CaseInsensitive) == 0);
 734                         continue;
 735                 }
 736                 if(inSec && (value.indexIn(line) >= 0))
 737                 {
 738                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 739                         if(value.cap(1).compare("BuildNo", Qt::CaseInsensitive) == 0)
 740                         {
 741                                 bool ok = false;
 742                                 const unsigned int temp = value.cap(2).toUInt(&ok);
 743                                 if(ok) updateInfo->m_buildNo = temp;
 744                         }
 745                         else if(value.cap(1).compare("BuildDate", Qt::CaseInsensitive) == 0)
 746                         {
 747                                 const QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 748                                 if(temp.isValid()) updateInfo->m_buildDate = temp;
 749                         }
 750                         else if(value.cap(1).compare("DownloadSite", Qt::CaseInsensitive) == 0)
 751                         {
 752                                 updateInfo->m_downloadSite = value.cap(2).trimmed();
 753                         }
 754                         else if(value.cap(1).compare("DownloadAddress", Qt::CaseInsensitive) == 0)
 755                         {
 756                                 updateInfo->m_downloadAddress = value.cap(2).trimmed();
 757                         }
 758                         else if(value.cap(1).compare("DownloadFilename", Qt::CaseInsensitive) == 0)
 759                         {
 760                                 updateInfo->m_downloadFilename = value.cap(2).trimmed();
 761                         }
 762                         else if(value.cap(1).compare("DownloadFilecode", Qt::CaseInsensitive) == 0)
 763                         {
 764                                 updateInfo->m_downloadFilecode = value.cap(2).trimmed();
 765                         }
 766                         else if(value.cap(1).compare("DownloadChecksum", Qt::CaseInsensitive) == 0)
 767                         {
 768                                 updateInfo->m_downloadChecksum = value.cap(2).trimmed();
 769                         }
 770                 }
 771                 if(inHdr && (value.indexIn(line) >= 0))
 772                 {
 773                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 774                         if(value.cap(1).compare("TimestampCreated", Qt::CaseInsensitive) == 0)
 775                         {
 776                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 777                                 if(temp.isValid()) updateInfoDate = temp;
 778                         }
 779                 }
 780         }
 781
 782         if(!updateInfoDate.isValid())
 783         {
 784                 updateInfo->resetInfo();
 785                 log("WARNING: Version info timestamp is missing!");
 786                 return false;
 787         }
 788
 789         const QDate currentDate = OS::current_date();
 790         if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < currentDate)
 791         {
 792                 updateInfo->resetInfo();
 793                 log(QString::fromLatin1("WARNING: This version info has expired at %1!").arg(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS).toString(Qt::ISODate)));
 794                 return false;
 795         }
 796         else if(currentDate < updateInfoDate)
 797         {
 798                 log("Version info is from the future, take care!");
 799                 qWarning("Version info is from the future, take care!");
 800         }
 801
 802         if(!updateInfo->isComplete())
 803         {
 804                 log("WARNING: Version info is incomplete!");
 805                 return false;
 806         }
 807
 808         return true;
 809 }
 810
 811 ////////////////////////////////////////////////////////////
 812 // SLOTS
 813 ////////////////////////////////////////////////////////////
 814
 815 /*NONE*/
 816
 817 ////////////////////////////////////////////////////////////
 818 // EVENTS
 819 ////////////////////////////////////////////////////////////
 820
 821 /*NONE*/