src/UpdateChecker.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2015 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/",
  54         "http://mulder.cwsurf.de/",
  55         "http://mulder.6te.net/",
  56         "http://mulder.webuda.com/",                    //"http://mulder.byethost13.com/",
  57         "http://mulder.pe.hu/",                                 //"http://muldersoft.kilu.de/",
  58         "http://muldersoft.square7.ch/",                //"http://muldersoft.zxq.net/",
  59         "http://muldersoft.co.nf/",
  60         "http://muldersoft.eu.pn/",
  61         "http://lamexp.sourceforge.net/",
  62         "http://lordmulder.github.io/LameXP/",
  63         "http://lord_mulder.bitbucket.org/",
  64         "http://www.tricksoft.de/",
  65         NULL
  66 };
  67
  68 static const char *update_mirrors_back[] =
  69 {
  70         "http://mplayer.savedonthe.net/",
  71         NULL
  72 };
  73
  74 static const char *known_hosts[] =              //Taken form: http://www.alexa.com/topsites !!!
  75 {
  76         "http://www.163.com/",
  77         "http://www.7-zip.org/",
  78         "http://www.ac3filter.net/",
  79         "http://clbianco.altervista.org/",
  80         "http://status.aws.amazon.com/",
  81         "http://antergos.com/",
  82         "http://www.aol.com/",
  83         "http://www.apache.org/",
  84         "http://www.apple.com/",
  85         "http://www.adobe.com/",
  86         "http://archive.org/web/",
  87         "http://www.artlebedev.ru/",
  88         "http://web.audacityteam.org/",
  89         "http://status.automattic.com/",
  90         "http://www.avidemux.org/",
  91         "http://www.babylon.com/",
  92         "http://www.baidu.com/",
  93         "http://bandcamp.com/",
  94         "http://www.bbc.co.uk/",
  95         "http://www.berlios.de/",
  96         "http://www.bing.com/",
  97         "http://www.bingeandgrab.com/",
  98         "http://www.bucketheadpikes.com/",
  99         "http://www.buckethead-coop.com/",
 100         "http://www.ccc.de/",
 101         "http://www.citizeninsomniac.com/WMV/",
 102         "http://www.cnet.com/",
 103         "http://cnzz.com/",
 104         "http://www.codeplex.com/",
 105         "http://www.codeproject.com/",
 106         "http://www.der-postillon.com/",
 107         "http://www.ebay.com/",
 108         "http://www.equation.com/",
 109         "http://www.farbrausch.de/",
 110         "http://fc2.com/",
 111         "http://fedoraproject.org/wiki/Fedora_Project_Wiki",
 112         "http://blog.fefe.de/",
 113         "http://www.ffmpeg.org/",
 114         "http://blog.flickr.net/en",
 115         "http://free-codecs.com/",
 116         "http://git-scm.com/",
 117         "http://doc.gitlab.com/",
 118         "http://www.gmx.net/",
 119         "http://news.gnome.org/",
 120         "http://www.gnu.org/",
 121         "http://go.com/",
 122         "http://code.google.com/",
 123         "http://haali.su/mkv/",
 124         "http://www.heise.de/",
 125         "http://www.huffingtonpost.co.uk/",
 126         "http://www.iana.org/",
 127         "http://www.imdb.com/",
 128         "http://www.imgburn.com/",
 129         "http://imgur.com/",
 130         "http://www.jd.com/contact/",
 131         "http://www.jiscdigitalmedia.ac.uk/",
 132         "http://kannmanumdieuhrzeitschonnbierchentrinken.de/",
 133         "http://mirrors.kernel.org/",
 134         "http://komisar.gin.by/",
 135         "http://lame.sourceforge.net/",
 136         "http://www.libav.org/",
 137         "http://blog.linkedin.com/",
 138         "http://www.linuxmint.com/",
 139         "http://www.livedoor.com/",
 140         "http://www.livejournal.com/",
 141         "http://longplayer.org/",
 142         "http://go.mail.ru/",
 143         "http://marknelson.us/",
 144         "http://www.mediafire.com/about/",
 145         "http://www.mod-technologies.com/",
 146         "http://ftp.mozilla.org/",
 147         "http://mplayerhq.hu/",
 148         "http://www.msn.com/en-us/",
 149         "http://wiki.multimedia.cx/",
 150         "http://www.nch.com.au/",
 151         "http://oss.netfarm.it/",
 152         "http://netrenderer.de/",
 153         "http://www.nytimes.com/",
 154         "http://www.opera.com/",
 155         "http://www.partha.com/",
 156         "http://pastebin.com/",
 157         "http://pastie.org/",
 158         "http://portableapps.com/about",
 159         "http://www.portablefreeware.com/",
 160         "http://www.qt.io/",
 161         "http://www.quakelive.com/",
 162         "http://rationalqm.us/mine.html",
 163         "http://www.seamonkey-project.org/",
 164         "http://selfhtml.org/",
 165         "http://www.shspvr.com/",
 166         "http://www.sina.com.cn/",
 167         "http://www.sohu.com/",
 168         "http://www.sogou.com/",
 169         "http://sourceforge.net/",
 170         "http://www.spiegel.de/",
 171         "http://www.sputnikmusic.com/",
 172         "http://stackoverflow.com/",
 173         "http://tdm-gcc.tdragon.net/",
 174         "http://www.tdrsmusic.com/",
 175         "http://www.ubuntu.com/",
 176         "http://www.uol.com.br/",
 177         "http://www.videohelp.com/",
 178         "http://www.videolan.org/",
 179         "http://virtualdub.org/",
 180         "http://blog.virustotal.com/",
 181         "http://www.vkgoeswild.com/",
 182         "http://www.warr.org/WAhere.html",
 183         "http://www.weibo.com/login.php",
 184         "http://status.wikimedia.org/",
 185         "http://www.winamp.com/",
 186         "http://www.winhoros.de/",
 187         "http://wpde.org/",
 188         "http://x265.org/",
 189         "http://xhmikosr.1f0.de/",
 190         "http://xiph.org/",
 191         "http://us.mail.yahoo.com/",
 192         "http://www.youtube.com/yt/about/",
 193         "http://www.zedo.com/",
 194         "http://ffmpeg.zeranoe.com/",
 195         NULL
 196 };
 197
 198 static const int MIN_CONNSCORE = 8;
 199 static const int VERSION_INFO_EXPIRES_MONTHS = 6;
 200 static char *USER_AGENT_STR = "Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20111106 IceCat/7.0.1";
 201
 202 //Helper function
 203 static int getMaxProgress(void)
 204 {
 205         int counter = MIN_CONNSCORE + 2;
 206         for(int i = 0; update_mirrors_prim[i]; i++) counter++;
 207         for(int i = 0; update_mirrors_back[i]; i++) counter++;
 208         return counter;
 209 }
 210
 211 ////////////////////////////////////////////////////////////
 212 // Update Info Class
 213 ////////////////////////////////////////////////////////////
 214
 215 UpdateCheckerInfo::UpdateCheckerInfo(void)
 216 {
 217         resetInfo();
 218 }
 219
 220 void UpdateCheckerInfo::resetInfo(void)
 221 {
 222         m_buildNo = 0;
 223         m_buildDate.setDate(1900, 1, 1);
 224         m_downloadSite.clear();
 225         m_downloadAddress.clear();
 226         m_downloadFilename.clear();
 227         m_downloadFilecode.clear();
 228         m_downloadChecksum.clear();
 229 }
 230
 231 bool UpdateCheckerInfo::isComplete(void)
 232 {
 233         if(this->m_buildNo < 1)                return false;
 234         if(this->m_buildDate.year() < 2010)    return false;
 235         if(this->m_downloadSite.isEmpty())     return false;
 236         if(this->m_downloadAddress.isEmpty())  return false;
 237         if(this->m_downloadFilename.isEmpty()) return false;
 238         if(this->m_downloadFilecode.isEmpty()) return false;
 239         if(this->m_downloadChecksum.isEmpty()) return false;
 240
 241         return true;
 242 }
 243
 244 ////////////////////////////////////////////////////////////
 245 // Constructor & Destructor
 246 ////////////////////////////////////////////////////////////
 247
 248 UpdateChecker::UpdateChecker(const QString &binWGet, const QString &binGnuPG, const QString &binKeys, const QString &applicationId, const quint32 &installedBuildNo, const bool betaUpdates, const bool testMode)
 249 :
 250         m_updateInfo(new UpdateCheckerInfo()),
 251         m_binaryWGet(binWGet),
 252         m_binaryGnuPG(binGnuPG),
 253         m_binaryKeys(binKeys),
 254         m_applicationId(applicationId),
 255         m_installedBuildNo(installedBuildNo),
 256         m_betaUpdates(betaUpdates),
 257         m_testMode(testMode),
 258         m_maxProgress(getMaxProgress())
 259 {
 260         m_success = false;
 261         m_status = UpdateStatus_NotStartedYet;
 262         m_progress = 0;
 263
 264         if(m_binaryWGet.isEmpty() || m_binaryGnuPG.isEmpty() || m_binaryKeys.isEmpty())
 265         {
 266                 MUTILS_THROW("Tools not initialized correctly!");
 267         }
 268 }
 269
 270 UpdateChecker::~UpdateChecker(void)
 271 {
 272 }
 273
 274 ////////////////////////////////////////////////////////////
 275 // Protected functions
 276 ////////////////////////////////////////////////////////////
 277
 278 void UpdateChecker::run(void)
 279 {
 280         qDebug("Update checker thread started!");
 281         MUTILS_EXCEPTION_HANDLER(m_testMode ? testKnownHosts() : checkForUpdates());
 282         qDebug("Update checker thread completed.");
 283 }
 284
 285 void UpdateChecker::checkForUpdates(void)
 286 {
 287         // ----- Initialization ----- //
 288
 289         m_success = false;
 290         m_updateInfo->resetInfo();
 291         seed_rand();
 292         setProgress(0);
 293
 294         // ----- Test Internet Connection ----- //
 295
 296         int connectionScore = 0;
 297         int maxConnectTries = (3 * MIN_CONNSCORE) / 2;
 298
 299         log("Checking internet connection...");
 300         setStatus(UpdateStatus_CheckingConnection);
 301
 302         const int networkStatus = OS::network_status();
 303         if(networkStatus == OS::NETWORK_TYPE_NON)
 304         {
 305                 log("", "Operating system reports that the computer is currently offline !!!");
 306                 setProgress(m_maxProgress);
 307                 setStatus(UpdateStatus_ErrorNoConnection);
 308                 return;
 309         }
 310
 311         setProgress(1);
 312
 313         // ----- Test Known Hosts Connectivity ----- //
 314
 315         QStringList hostList;
 316         for(int i = 0; known_hosts[i]; i++)
 317         {
 318                 hostList << QString::fromLatin1(known_hosts[i]);
 319         }
 320
 321         while(!(hostList.isEmpty() || (connectionScore >= MIN_CONNSCORE) || (maxConnectTries < 1)))
 322         {
 323                 switch(tryContactHost(hostList.takeAt(next_rand32() % hostList.count())))
 324                 {
 325                         case 01: connectionScore += 1; break;
 326                         case 02: connectionScore += 2; break;
 327                         default: maxConnectTries -= 1; break;
 328                 }
 329                 setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
 330                 msleep(64);
 331         }
 332
 333         if(connectionScore < MIN_CONNSCORE)
 334         {
 335                 log("", "Connectivity test has failed: Internet connection appears to be broken!");
 336                 setProgress(m_maxProgress);
 337                 setStatus(UpdateStatus_ErrorConnectionTestFailed);
 338                 return;
 339         }
 340
 341         // ----- Build Mirror List ----- //
 342
 343         log("", "----", "", "Checking for updates online...");
 344         setStatus(UpdateStatus_FetchingUpdates);
 345
 346         QStringList mirrorList;
 347         for(int index = 0; update_mirrors_prim[index]; index++)
 348         {
 349                 mirrorList << QString::fromLatin1(update_mirrors_prim[index]);
 350         }
 351
 352         if(const int len = mirrorList.count())
 353         {
 354                 const int rounds = len * 1097;
 355                 for(int i = 0; i < rounds; i++)
 356                 {
 357                         mirrorList.swap(i % len, next_rand32() % len);
 358                 }
 359         }
 360
 361         for(int index = 0; update_mirrors_back[index]; index++)
 362         {
 363                 mirrorList << QString::fromLatin1(update_mirrors_back[index]);
 364         }
 365
 366         // ----- Fetch Update Info From Server ----- //
 367
 368         while(!mirrorList.isEmpty())
 369         {
 370                 QString currentMirror = mirrorList.takeFirst();
 371                 setProgress(m_progress + 1);
 372                 if(!m_success)
 373                 {
 374                         if(tryUpdateMirror(m_updateInfo.data(), currentMirror))
 375                         {
 376                                 m_success = true;
 377                         }
 378                 }
 379                 else
 380                 {
 381                         msleep(64);
 382                 }
 383         }
 384
 385         setProgress(m_maxProgress);
 386
 387         if(m_success)
 388         {
 389                 if(m_updateInfo->m_buildNo > m_installedBuildNo)
 390                 {
 391                         setStatus(UpdateStatus_CompletedUpdateAvailable);
 392                 }
 393                 else if(m_updateInfo->m_buildNo == m_installedBuildNo)
 394                 {
 395                         setStatus(UpdateStatus_CompletedNoUpdates);
 396                 }
 397                 else
 398                 {
 399                         setStatus(UpdateStatus_CompletedNewVersionOlder);
 400                 }
 401         }
 402         else
 403         {
 404                 setStatus(UpdateStatus_ErrorFetchUpdateInfo);
 405         }
 406 }
 407
 408 void UpdateChecker::testKnownHosts(void)
 409 {
 410         QStringList hostList;
 411         for(int i = 0; known_hosts[i]; i++)
 412         {
 413                 hostList << QString::fromLatin1(known_hosts[i]);
 414         }
 415
 416         qDebug("\n[Known Hosts]");
 417         log("Testing all known hosts...", "", "---");
 418
 419         int hostCount = hostList.count();
 420         while(!hostList.isEmpty())
 421         {
 422                 QString currentHost = hostList.takeFirst();
 423                 qDebug("Testing: %s", currentHost.toLatin1().constData());
 424                 log("", "Testing:", currentHost, "");
 425                 QString outFile = QString("%1/%2.htm").arg(temp_folder(), rand_str());
 426                 bool httpOk = false;
 427                 if(!getFile(currentHost, outFile, 0, &httpOk))
 428                 {
 429                         if(httpOk)
 430                         {
 431                                 qWarning("\nConnectivity test was SLOW on the following site:\n%s\n", currentHost.toLatin1().constData());
 432                         }
 433                         else
 434                         {
 435                                 qWarning("\nConnectivity test FAILED on the following site:\n%s\n", currentHost.toLatin1().constData());
 436                         }
 437                 }
 438                 log("", "---");
 439                 QFile::remove(outFile);
 440         }
 441 }
 442
 443 ////////////////////////////////////////////////////////////
 444 // PRIVATE FUNCTIONS
 445 ////////////////////////////////////////////////////////////
 446
 447 void UpdateChecker::setStatus(const int status)
 448 {
 449         if(m_status != status)
 450         {
 451                 m_status = status;
 452                 emit statusChanged(status);
 453         }
 454 }
 455
 456 void UpdateChecker::setProgress(const int progress)
 457 {
 458         if(m_progress != progress)
 459         {
 460                 m_progress = progress;
 461                 emit progressChanged(progress);
 462         }
 463 }
 464
 465 void UpdateChecker::log(const QString &str1, const QString &str2, const QString &str3, const QString &str4)
 466 {
 467         if(!str1.isNull()) emit messageLogged(str1);
 468         if(!str2.isNull()) emit messageLogged(str2);
 469         if(!str3.isNull()) emit messageLogged(str3);
 470         if(!str4.isNull()) emit messageLogged(str4);
 471 }
 472
 473 int UpdateChecker::tryContactHost(const QString &url)
 474 {
 475                 int result = -1; bool httpOkay = false;
 476                 const QString outFile = QString("%1/%2.htm").arg(temp_folder(), rand_str());
 477                 log("", "Testing host:", url);
 478
 479                 if(getFile(url, outFile, 0, &httpOkay))
 480                 {
 481                         log("Connection to host was established successfully.");
 482                         result = 2;
 483                 }
 484                 else
 485                 {
 486                         if(httpOkay)
 487                         {
 488                                 log("Connection to host timed out after HTTP OK was received.");
 489                                 result = 1;
 490                         }
 491                         else
 492                         {
 493                                 log("Connection failed: The host could not be reached!");
 494                                 result = 0;
 495                         }
 496                 }
 497
 498                 QFile::remove(outFile);
 499                 return result;
 500 }
 501
 502 bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url)
 503 {
 504         bool success = false;
 505         log("", "Trying mirror:", url);
 506
 507         const QString randPart = rand_str();
 508         const QString outFileVers = QString("%1/%2.ver").arg(temp_folder(), randPart);
 509         const QString outFileSign = QString("%1/%2.sig").arg(temp_folder(), randPart);
 510
 511         if(getUpdateInfo(url, outFileVers, outFileSign))
 512         {
 513                 log("", "Download okay, checking signature:");
 514                 if(checkSignature(outFileVers, outFileSign))
 515                 {
 516                         log("", "Signature okay, parsing info:");
 517                         success = parseVersionInfo(outFileVers, updateInfo);
 518                 }
 519                 else
 520                 {
 521                         log("", "Bad signature, take care!");
 522                 }
 523         }
 524         else
 525         {
 526                 log("", "Download has failed!");
 527         }
 528
 529         QFile::remove(outFileVers);
 530         QFile::remove(outFileSign);
 531
 532         return success;
 533 }
 534
 535 bool UpdateChecker::getUpdateInfo(const QString &url, const QString &outFileVers, const QString &outFileSign)
 536 {
 537         log("", "Downloading update info:");
 538         if(!getFile(QString("%1%2"     ).arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileVers))
 539         {
 540                 return false;
 541         }
 542
 543         log("", "Downloading signature:");
 544         if(!getFile(QString("%1%2.sig2").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileSign))
 545         {
 546                 return false;
 547         }
 548
 549         return true;
 550 }
 551
 552 bool UpdateChecker::getFile(const QString &url, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
 553 {
 554         for(int i = 0; i < 2; i++)
 555         {
 556                 if(getFile(url, (i > 0), outFile, maxRedir, httpOk))
 557                 {
 558                         return true;
 559                 }
 560         }
 561         return false;
 562 }
 563
 564 bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
 565 {
 566         QFileInfo output(outFile);
 567         output.setCaching(false);
 568         if(httpOk) *httpOk = false;
 569
 570         if(output.exists())
 571         {
 572                 QFile::remove(output.canonicalFilePath());
 573                 if(output.exists())
 574                 {
 575                         return false;
 576                 }
 577         }
 578
 579         QProcess process;
 580         init_process(process, output.absolutePath());
 581
 582         QStringList args;
 583         if(forceIp4)
 584         {
 585                 args << "-4";
 586         }
 587
 588         args << "-T" << "15" << "--no-cache" << "--no-dns-cache" << QString().sprintf("--max-redirect=%u", maxRedir);
 589         args << QString("--referer=%1://%2/").arg(QUrl(url).scheme(), QUrl(url).host()) << "-U" << USER_AGENT_STR;
 590         args << "-O" << output.fileName() << url;
 591
 592         QEventLoop loop;
 593         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 594         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 595         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 596
 597         QTimer timer;
 598         timer.setSingleShot(true);
 599         connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 600
 601         const QRegExp httpResponseOK("200 OK$");
 602
 603         process.start(m_binaryWGet, args);
 604
 605         if(!process.waitForStarted())
 606         {
 607                 return false;
 608         }
 609
 610         timer.start(25000);
 611
 612         while(process.state() != QProcess::NotRunning)
 613         {
 614                 loop.exec();
 615                 const bool bTimeOut = (!timer.isActive());
 616                 while(process.canReadLine())
 617                 {
 618                         QString line = QString::fromLatin1(process.readLine()).simplified();
 619                         if(line.contains(httpResponseOK))
 620                         {
 621                                 line.append(" [OK]");
 622                                 if(httpOk) *httpOk = true;
 623                         }
 624                         log(line);
 625                 }
 626                 if(bTimeOut)
 627                 {
 628                         qWarning("WGet process timed out <-- killing!");
 629                         process.kill();
 630                         process.waitForFinished();
 631                         log("!!! TIMEOUT !!!");
 632                         return false;
 633                 }
 634         }
 635
 636         timer.stop();
 637         timer.disconnect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 638
 639         log(QString().sprintf("Exited with code %d", process.exitCode()));
 640         return (process.exitCode() == 0) && output.exists() && output.isFile();
 641 }
 642
 643 bool UpdateChecker::checkSignature(const QString &file, const QString &signature)
 644 {
 645         if(QFileInfo(file).absolutePath().compare(QFileInfo(signature).absolutePath(), Qt::CaseInsensitive) != 0)
 646         {
 647                 qWarning("CheckSignature: File and signature should be in same folder!");
 648                 return false;
 649         }
 650
 651         if(QFileInfo(file).absolutePath().compare(QFileInfo(m_binaryKeys).absolutePath(), Qt::CaseInsensitive) != 0)
 652         {
 653                 qWarning("CheckSignature: File and keyring should be in same folder!");
 654                 return false;
 655         }
 656
 657         QProcess process;
 658         init_process(process, QFileInfo(file).absolutePath());
 659
 660         QEventLoop loop;
 661         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 662         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 663         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 664
 665         process.start(m_binaryGnuPG, QStringList() << "--homedir" << "." << "--keyring" << QFileInfo(m_binaryKeys).fileName() << QFileInfo(signature).fileName() << QFileInfo(file).fileName());
 666
 667         if(!process.waitForStarted())
 668         {
 669                 return false;
 670         }
 671
 672         while(process.state() == QProcess::Running)
 673         {
 674                 loop.exec();
 675                 while(process.canReadLine())
 676                 {
 677                         log(QString::fromLatin1(process.readLine()).simplified());
 678                 }
 679         }
 680
 681         log(QString().sprintf("Exited with code %d", process.exitCode()));
 682         return (process.exitCode() == 0);
 683 }
 684
 685 bool UpdateChecker::parseVersionInfo(const QString &file, UpdateCheckerInfo *updateInfo)
 686 {
 687         QRegExp value("^(\\w+)=(.+)$");
 688         QRegExp section("^\\[(.+)\\]$");
 689
 690         QDate updateInfoDate;
 691         updateInfo->resetInfo();
 692
 693         QFile data(file);
 694         if(!data.open(QIODevice::ReadOnly))
 695         {
 696                 qWarning("Cannot open update info file for reading!");
 697                 return false;
 698         }
 699
 700         bool inHdr = false;
 701         bool inSec = false;
 702
 703         while(!data.atEnd())
 704         {
 705                 QString line = QString::fromLatin1(data.readLine()).trimmed();
 706                 if(section.indexIn(line) >= 0)
 707                 {
 708                         log(QString("Sec: [%1]").arg(section.cap(1)));
 709                         inSec = (section.cap(1).compare(m_applicationId, Qt::CaseInsensitive) == 0);
 710                         inHdr = (section.cap(1).compare(QString::fromLatin1(header_id), Qt::CaseInsensitive) == 0);
 711                         continue;
 712                 }
 713                 if(inSec && (value.indexIn(line) >= 0))
 714                 {
 715                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 716                         if(value.cap(1).compare("BuildNo", Qt::CaseInsensitive) == 0)
 717                         {
 718                                 bool ok = false;
 719                                 const unsigned int temp = value.cap(2).toUInt(&ok);
 720                                 if(ok) updateInfo->m_buildNo = temp;
 721                         }
 722                         else if(value.cap(1).compare("BuildDate", Qt::CaseInsensitive) == 0)
 723                         {
 724                                 const QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 725                                 if(temp.isValid()) updateInfo->m_buildDate = temp;
 726                         }
 727                         else if(value.cap(1).compare("DownloadSite", Qt::CaseInsensitive) == 0)
 728                         {
 729                                 updateInfo->m_downloadSite = value.cap(2).trimmed();
 730                         }
 731                         else if(value.cap(1).compare("DownloadAddress", Qt::CaseInsensitive) == 0)
 732                         {
 733                                 updateInfo->m_downloadAddress = value.cap(2).trimmed();
 734                         }
 735                         else if(value.cap(1).compare("DownloadFilename", Qt::CaseInsensitive) == 0)
 736                         {
 737                                 updateInfo->m_downloadFilename = value.cap(2).trimmed();
 738                         }
 739                         else if(value.cap(1).compare("DownloadFilecode", Qt::CaseInsensitive) == 0)
 740                         {
 741                                 updateInfo->m_downloadFilecode = value.cap(2).trimmed();
 742                         }
 743                         else if(value.cap(1).compare("DownloadChecksum", Qt::CaseInsensitive) == 0)
 744                         {
 745                                 updateInfo->m_downloadChecksum = value.cap(2).trimmed();
 746                         }
 747                 }
 748                 if(inHdr && (value.indexIn(line) >= 0))
 749                 {
 750                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 751                         if(value.cap(1).compare("TimestampCreated", Qt::CaseInsensitive) == 0)
 752                         {
 753                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 754                                 if(temp.isValid()) updateInfoDate = temp;
 755                         }
 756                 }
 757         }
 758
 759         if(!updateInfoDate.isValid())
 760         {
 761                 updateInfo->resetInfo();
 762                 log("WARNING: Version info timestamp is missing!");
 763                 return false;
 764         }
 765
 766         const QDate currentDate = OS::current_date();
 767         if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < currentDate)
 768         {
 769                 updateInfo->resetInfo();
 770                 log(QString::fromLatin1("WARNING: This version info has expired at %1!").arg(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS).toString(Qt::ISODate)));
 771                 return false;
 772         }
 773         else if(currentDate < updateInfoDate)
 774         {
 775                 log("Version info is from the future, take care!");
 776                 qWarning("Version info is from the future, take care!");
 777         }
 778
 779         if(!updateInfo->isComplete())
 780         {
 781                 log("WARNING: Version info is incomplete!");
 782                 return false;
 783         }
 784
 785         return true;
 786 }
 787
 788 ////////////////////////////////////////////////////////////
 789 // SLOTS
 790 ////////////////////////////////////////////////////////////
 791
 792 /*NONE*/
 793
 794 ////////////////////////////////////////////////////////////
 795 // EVENTS
 796 ////////////////////////////////////////////////////////////
 797
 798 /*NONE*/