src/Thread_CheckUpdate.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 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, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Thread_CheckUpdate.h"
  24
  25 #include "Global.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 ///////////////////////////////////////////////////////////////////////////////
  36 // CONSTANTS
  37 ///////////////////////////////////////////////////////////////////////////////
  38
  39 static const char *header_id = "!Update";
  40 static const char *section_id = "LameXP";
  41
  42 static const char *mirror_url_postfix[] =
  43 {
  44         "update.ver",
  45         "update_beta.ver",
  46         NULL
  47 };
  48
  49 static const char *update_mirrors_prim[] =
  50 {
  51         "http://muldersoft.com/",
  52         "http://mulder.bplaced.net/",
  53         "http://mulder.cwsurf.de/",
  54         "http://mulder.6te.net/",
  55         "http://mulder.webuda.com/",
  56         "http://mulder.byethost13.com/",
  57         "http://muldersoft.kilu.de/",
  58         "http://muldersoft.zxq.net/",
  59         "http://lamexp.sourceforge.net/",
  60         "http://lordmulder.github.io/LameXP/",
  61         "http://lord_mulder.bitbucket.org/",
  62         "http://www.tricksoft.de/",
  63         NULL
  64 };
  65
  66 static const char *update_mirrors_back[] =
  67 {
  68         "http://mplayer.savedonthe.net/",
  69         NULL
  70 };
  71
  72 static const char *known_hosts[] =              //Taken form: http://www.alexa.com/topsites !!!
  73 {
  74         "http://www.163.com/",
  75         "http://www.7-zip.org/",
  76         "http://www.ac3filter.net/",
  77         "http://www.amazon.com/",
  78         "http://antergos.com/",
  79         "http://www.aol.com/",
  80         "http://www.apache.org/",
  81         "http://www.apple.com/",
  82         "http://www.adobe.com/",
  83         "http://www.avidemux.org/",
  84         "http://www.babylon.com/",
  85         "http://www.baidu.com/",
  86         "http://bandcamp.com/",
  87         "http://www.bbc.co.uk/",
  88         "http://www.berlios.de/",
  89         "http://www.bing.com/",
  90         "http://www.cnet.com/",
  91         "http://cnzz.com/",
  92         "http://www.codeplex.com/",
  93         "http://qt.digia.com/",
  94         "http://www.ebay.com/",
  95         "http://www.equation.com/",
  96         "http://fc2.com/",
  97         "http://fedoraproject.org/",
  98         "http://www.ffmpeg.org/",
  99         "http://blog.flickr.net/en",
 100         "http://free-codecs.com/",
 101         "http://blog.gitorious.org/",
 102         "http://git-scm.com/",
 103         "http://www.gmx.net/",
 104         "http://www.gnome.org/",
 105         "http://www.gnu.org/",
 106         "http://go.com/",
 107         "http://code.google.com/",
 108         "http://www.heise.de/",
 109         "http://www.huffingtonpost.co.uk/",
 110         "http://www.iana.org/",
 111         "http://www.imdb.com/",
 112         "http://www.imgburn.com/",
 113         "http://imgur.com/",
 114         "http://en.jd.com/",
 115         "http://kannmanumdieuhrzeitschonnbierchentrinken.de/",
 116         "http://mirrors.kernel.org/",
 117         "http://lame.sourceforge.net/",
 118         "http://www.libav.org/",
 119         "http://www.linkedin.com/about-us",
 120         "http://www.linuxmint.com/",
 121         "http://www.livedoor.com/",
 122         "http://www.livejournal.com/",
 123         "http://go.mail.ru/",
 124         "http://www.mediafire.com/",
 125         "http://ftp.mozilla.org/",
 126         "http://mplayerhq.hu/",
 127         "http://www.msn.com/?st=1",
 128         "http://oss.netfarm.it/",
 129         "http://www.nytimes.com/",
 130         "http://www.opera.com/",
 131         "http://pastie.org/",
 132         "http://www.portablefreeware.com/",
 133         "http://qt-project.org/",
 134         "http://www.quakelive.com/",
 135         "http://www.seamonkey-project.org/",
 136         "http://www.sina.com.cn/",
 137         "http://www.sohu.com/",
 138         "http://www.soso.com/",
 139         "http://sourceforge.net/",
 140         "http://www.spiegel.de/",
 141         "http://tdm-gcc.tdragon.net/",
 142         "http://www.tdrsmusic.com/",
 143         "http://www.ubuntu.com/",
 144         "http://status.twitter.com/",
 145         "http://www.uol.com.br/",
 146         "http://www.videohelp.com/",
 147         "http://www.videolan.org/",
 148         "http://virtualdub.org/",
 149         "http://blog.virustotal.com/",
 150         "http://weibo.com/login.php",
 151         "http://www.wikipedia.org/",
 152         "http://www.winamp.com/",
 153         "http://wordpress.com/about/",
 154         "http://xiph.org/",
 155         "http://us.mail.yahoo.com/",
 156         "http://www.yandex.ru/",
 157         "http://www.youtube.com/yt/about/",
 158         "http://www.zedo.com/",
 159         "http://ffmpeg.zeranoe.com/",
 160         NULL
 161 };
 162
 163 static const int MIN_CONNSCORE = 8;
 164 static const int VERSION_INFO_EXPIRES_MONTHS = 6;
 165 static char *USER_AGENT_STR = "Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20111106 IceCat/7.0.1";
 166
 167 //Helper function
 168 static int getMaxProgress(void)
 169 {
 170         int counter = MIN_CONNSCORE + 2;
 171         for(int i = 0; update_mirrors_prim[i]; i++) counter++;
 172         for(int i = 0; update_mirrors_back[i]; i++) counter++;
 173         return counter;
 174 }
 175
 176 ////////////////////////////////////////////////////////////
 177 // Update Info Class
 178 ////////////////////////////////////////////////////////////
 179
 180 UpdateInfo::UpdateInfo(void)
 181 {
 182         resetInfo();
 183 }
 184
 185 void UpdateInfo::resetInfo(void)
 186 {
 187         m_buildNo = 0;
 188         m_buildDate.setDate(1900, 1, 1);
 189         m_downloadSite.clear();
 190         m_downloadAddress.clear();
 191         m_downloadFilename.clear();
 192         m_downloadFilecode.clear();
 193 }
 194
 195 ////////////////////////////////////////////////////////////
 196 // Constructor & Destructor
 197 ////////////////////////////////////////////////////////////
 198
 199 UpdateCheckThread::UpdateCheckThread(const QString &binWGet, const QString &binGnuPG, const QString &binKeys, const bool betaUpdates, const bool testMode)
 200 :
 201         m_updateInfo(new UpdateInfo()),
 202         m_binaryWGet(binWGet),
 203         m_binaryGnuPG(binGnuPG),
 204         m_binaryKeys(binKeys),
 205         m_betaUpdates(betaUpdates),
 206         m_testMode(testMode),
 207         m_maxProgress(getMaxProgress())
 208 {
 209         m_success = false;
 210         m_status = UpdateStatus_NotStartedYet;
 211         m_progress = 0;
 212
 213         if(m_binaryWGet.isEmpty() || m_binaryGnuPG.isEmpty() || m_binaryKeys.isEmpty())
 214         {
 215                 THROW("Tools not initialized correctly!");
 216         }
 217 }
 218
 219 UpdateCheckThread::~UpdateCheckThread(void)
 220 {
 221         delete m_updateInfo;
 222 }
 223
 224 ////////////////////////////////////////////////////////////
 225 // Protected functions
 226 ////////////////////////////////////////////////////////////
 227
 228 void UpdateCheckThread::run(void)
 229 {
 230         qDebug("Update checker thread started!");
 231
 232         try
 233         {
 234                 m_testMode ? testKnownHosts() : checkForUpdates();
 235         }
 236         catch(const std::exception &error)
 237         {
 238                 PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
 239                 lamexp_fatal_exit("Unhandeled C++ exception error, application will exit!");
 240         }
 241         catch(...)
 242         {
 243                 PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
 244                 lamexp_fatal_exit("Unhandeled C++ exception error, application will exit!");
 245         }
 246
 247         qDebug("Update checker thread completed.");
 248 }
 249
 250 void UpdateCheckThread::checkForUpdates(void)
 251 {
 252         // ----- Initialization ----- //
 253
 254         m_success = false;
 255         m_updateInfo->resetInfo();
 256         setProgress(0);
 257
 258         // ----- Test Internet Connection ----- //
 259
 260         int connectionScore = 0;
 261         int maxConnectTries = (3 * MIN_CONNSCORE) / 2;
 262
 263         log("Checking internet connection...");
 264         setStatus(UpdateStatus_CheckingConnection);
 265
 266         const int networkStatus = lamexp_network_status();
 267         if(networkStatus == lamexp_network_non)
 268         {
 269                 log("", "Operating system reports that the computer is currently offline !!!");
 270                 setProgress(m_maxProgress);
 271                 setStatus(UpdateStatus_ErrorNoConnection);
 272                 return;
 273         }
 274
 275         setProgress(1);
 276
 277         // ----- Test Known Hosts Connectivity ----- //
 278
 279         QStringList hostList;
 280         for(int i = 0; known_hosts[i]; i++)
 281         {
 282                 hostList << QString::fromLatin1(known_hosts[i]);
 283         }
 284
 285         lamexp_seed_rand();
 286
 287         while(!(hostList.isEmpty() || (connectionScore >= MIN_CONNSCORE) || (maxConnectTries < 1)))
 288         {
 289                 switch(tryContactHost(hostList.takeAt(lamexp_rand() % hostList.count())))
 290                 {
 291                         case 01: connectionScore += 1; break;
 292                         case 02: connectionScore += 2; break;
 293                         default: maxConnectTries -= 1; break;
 294                 }
 295                 setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
 296                 lamexp_sleep(64);
 297         }
 298
 299         if(connectionScore < MIN_CONNSCORE)
 300         {
 301                 log("", "Connectivity test has failed: Internet connection appears to be broken!");
 302                 setProgress(m_maxProgress);
 303                 setStatus(UpdateStatus_ErrorConnectionTestFailed);
 304                 return;
 305         }
 306
 307         // ----- Build Mirror List ----- //
 308
 309         log("", "----", "", "Checking for updates online...");
 310         setStatus(UpdateStatus_FetchingUpdates);
 311
 312         QStringList mirrorList;
 313         for(int index = 0; update_mirrors_prim[index]; index++)
 314         {
 315                 mirrorList << QString::fromLatin1(update_mirrors_prim[index]);
 316         }
 317
 318         lamexp_seed_rand();
 319         if(const int len = mirrorList.count())
 320         {
 321                 const int rounds = len * 1097;
 322                 for(int i = 0; i < rounds; i++)
 323                 {
 324                         mirrorList.swap(i % len, lamexp_rand() % len);
 325                 }
 326         }
 327
 328         for(int index = 0; update_mirrors_back[index]; index++)
 329         {
 330                 mirrorList << QString::fromLatin1(update_mirrors_back[index]);
 331         }
 332
 333         // ----- Fetch Update Info From Server ----- //
 334
 335         while(!mirrorList.isEmpty())
 336         {
 337                 QString currentMirror = mirrorList.takeFirst();
 338                 setProgress(m_progress + 1);
 339                 if(!m_success)
 340                 {
 341                         if(tryUpdateMirror(m_updateInfo, currentMirror))
 342                         {
 343                                 m_success = true;
 344                         }
 345                 }
 346                 else
 347                 {
 348                         lamexp_sleep(64);
 349                 }
 350         }
 351
 352         setProgress(m_maxProgress);
 353
 354         if(m_success)
 355         {
 356                 if(m_updateInfo->m_buildNo > lamexp_version_build())
 357                 {
 358                         setStatus(UpdateStatus_CompletedUpdateAvailable);
 359                 }
 360                 else if(m_updateInfo->m_buildNo == lamexp_version_build())
 361                 {
 362                         setStatus(UpdateStatus_CompletedNoUpdates);
 363                 }
 364                 else
 365                 {
 366                         setStatus(UpdateStatus_CompletedNewVersionOlder);
 367                 }
 368         }
 369         else
 370         {
 371                 setStatus(UpdateStatus_ErrorFetchUpdateInfo);
 372         }
 373 }
 374
 375 void UpdateCheckThread::testKnownHosts(void)
 376 {
 377         QStringList hostList;
 378         for(int i = 0; known_hosts[i]; i++)
 379         {
 380                 hostList << QString::fromLatin1(known_hosts[i]);
 381         }
 382
 383         qDebug("\n[Known Hosts]");
 384         log("Testing all known hosts...", "", "---");
 385
 386         int hostCount = hostList.count();
 387         while(!hostList.isEmpty())
 388         {
 389                 QString currentHost = hostList.takeFirst();
 390                 qDebug("Testing: %s", currentHost.toLatin1().constData());
 391                 log("", "Testing:", currentHost, "");
 392                 QString outFile = QString("%1/%2.htm").arg(lamexp_temp_folder2(), lamexp_rand_str());
 393                 bool httpOk = false;
 394                 if(!getFile(currentHost, outFile, 0, &httpOk))
 395                 {
 396                         if(httpOk)
 397                         {
 398                                 qWarning("\nConnectivity test was SLOW on the following site:\n%s\n", currentHost.toLatin1().constData());
 399                         }
 400                         else
 401                         {
 402                                 qWarning("\nConnectivity test FAILED on the following site:\n%s\n", currentHost.toLatin1().constData());
 403                         }
 404                 }
 405                 log("", "---");
 406                 QFile::remove(outFile);
 407         }
 408 }
 409
 410 ////////////////////////////////////////////////////////////
 411 // PRIVATE FUNCTIONS
 412 ////////////////////////////////////////////////////////////
 413
 414 void UpdateCheckThread::setStatus(const int status)
 415 {
 416         if(m_status != status)
 417         {
 418                 m_status = status;
 419                 emit statusChanged(status);
 420         }
 421 }
 422
 423 void UpdateCheckThread::setProgress(const int progress)
 424 {
 425         if(m_progress != progress)
 426         {
 427                 m_progress = progress;
 428                 emit progressChanged(progress);
 429         }
 430 }
 431
 432 void UpdateCheckThread::log(const QString &str1, const QString &str2, const QString &str3, const QString &str4)
 433 {
 434         if(!str1.isNull()) emit messageLogged(str1);
 435         if(!str2.isNull()) emit messageLogged(str2);
 436         if(!str3.isNull()) emit messageLogged(str3);
 437         if(!str4.isNull()) emit messageLogged(str4);
 438 }
 439
 440 int UpdateCheckThread::tryContactHost(const QString &url)
 441 {
 442                 int result = -1; bool httpOkay = false;
 443                 const QString outFile = QString("%1/%2.htm").arg(lamexp_temp_folder2(), lamexp_rand_str());
 444                 log("", "Testing host:", url);
 445
 446                 if(getFile(url, outFile, 0, &httpOkay))
 447                 {
 448                         log("Connection to host was established successfully.");
 449                         result = 2;
 450                 }
 451                 else
 452                 {
 453                         if(httpOkay)
 454                         {
 455                                 log("Connection to host timed out after HTTP OK was received.");
 456                                 result = 1;
 457                         }
 458                         else
 459                         {
 460                                 log("Connection failed: The host could not be reached!");
 461                                 result = 0;
 462                         }
 463                 }
 464
 465                 QFile::remove(outFile);
 466                 return result;
 467 }
 468
 469 bool UpdateCheckThread::tryUpdateMirror(UpdateInfo *updateInfo, const QString &url)
 470 {
 471         bool success = false;
 472         log("", "Trying mirror:", url);
 473
 474         QString randPart = lamexp_rand_str();
 475         QString outFileVersionInfo = QString("%1/%2.ver").arg(lamexp_temp_folder2(), randPart);
 476         QString outFileSignature = QString("%1/%2.sig").arg(lamexp_temp_folder2(), randPart);
 477
 478         log("", "Downloading update info:");
 479         bool ok1 = getFile(QString("%1%2").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileVersionInfo);
 480
 481         log("", "Downloading signature:");
 482         bool ok2 = getFile(QString("%1%2.sig").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileSignature);
 483
 484         if(ok1 && ok2)
 485         {
 486                 log("", "Download okay, checking signature:");
 487                 if(checkSignature(outFileVersionInfo, outFileSignature))
 488                 {
 489                         log("", "Signature okay, parsing info:");
 490                         success = parseVersionInfo(outFileVersionInfo, updateInfo);
 491                 }
 492                 else
 493                 {
 494                         log("", "Bad signature, take care!");
 495                 }
 496         }
 497         else
 498         {
 499                 log("", "Download has failed!");
 500         }
 501
 502         QFile::remove(outFileVersionInfo);
 503         QFile::remove(outFileSignature);
 504
 505         return success;
 506 }
 507
 508 bool UpdateCheckThread::getFile(const QString &url, const QString &outFile, unsigned int maxRedir, bool *httpOk)
 509 {
 510         QFileInfo output(outFile);
 511         output.setCaching(false);
 512         if(httpOk) *httpOk = false;
 513
 514         if(output.exists())
 515         {
 516                 QFile::remove(output.canonicalFilePath());
 517                 if(output.exists())
 518                 {
 519                         return false;
 520                 }
 521         }
 522
 523         QProcess process;
 524         lamexp_init_process(process, output.absolutePath());
 525
 526         QStringList args;
 527         args << "-T" << "15" << "--no-cache" << "--no-dns-cache" << QString().sprintf("--max-redirect=%u", maxRedir);
 528         args << QString("--referer=%1://%2/").arg(QUrl(url).scheme(), QUrl(url).host()) << "-U" << USER_AGENT_STR;
 529         args << "-O" << output.fileName() << url;
 530
 531         QEventLoop loop;
 532         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 533         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 534         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 535
 536         QTimer timer;
 537         timer.setSingleShot(true);
 538         timer.setInterval(25000);
 539         connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 540
 541         const QRegExp httpResponseOK("200 OK$");
 542
 543         process.start(m_binaryWGet, args);
 544
 545         if(!process.waitForStarted())
 546         {
 547                 return false;
 548         }
 549
 550         timer.start();
 551
 552         while(process.state() != QProcess::NotRunning)
 553         {
 554                 loop.exec();
 555                 const bool bTimeOut = (!timer.isActive());
 556                 while(process.canReadLine())
 557                 {
 558                         QString line = QString::fromLatin1(process.readLine()).simplified();
 559                         if(line.contains(httpResponseOK))
 560                         {
 561                                 line.append(" [OK]");
 562                                 if(httpOk) *httpOk = true;
 563                         }
 564                         log(line);
 565                 }
 566                 if(bTimeOut)
 567                 {
 568                         qWarning("WGet process timed out <-- killing!");
 569                         process.kill();
 570                         process.waitForFinished();
 571                         log("!!! TIMEOUT !!!");
 572                         return false;
 573                 }
 574         }
 575
 576         timer.stop();
 577         timer.disconnect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 578
 579         log(QString().sprintf("Exited with code %d", process.exitCode()));
 580         return (process.exitCode() == 0) && output.exists() && output.isFile();
 581 }
 582
 583 bool UpdateCheckThread::checkSignature(const QString &file, const QString &signature)
 584 {
 585         if(QFileInfo(file).absolutePath().compare(QFileInfo(signature).absolutePath(), Qt::CaseInsensitive) != 0)
 586         {
 587                 qWarning("CheckSignature: File and signature should be in same folder!");
 588                 return false;
 589         }
 590         if(QFileInfo(file).absolutePath().compare(QFileInfo(m_binaryKeys).absolutePath(), Qt::CaseInsensitive) != 0)
 591         {
 592                 qWarning("CheckSignature: File and keyring should be in same folder!");
 593                 return false;
 594         }
 595
 596         QProcess process;
 597         lamexp_init_process(process, QFileInfo(file).absolutePath());
 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         process.start(m_binaryGnuPG, QStringList() << "--homedir" << "." << "--keyring" << QFileInfo(m_binaryKeys).fileName() << QFileInfo(signature).fileName() << QFileInfo(file).fileName());
 605
 606         if(!process.waitForStarted())
 607         {
 608                 return false;
 609         }
 610
 611         while(process.state() == QProcess::Running)
 612         {
 613                 loop.exec();
 614                 while(process.canReadLine())
 615                 {
 616                         log(QString::fromLatin1(process.readLine()).simplified());
 617                 }
 618         }
 619
 620         log(QString().sprintf("Exited with code %d", process.exitCode()));
 621         return (process.exitCode() == 0);
 622 }
 623
 624 bool UpdateCheckThread::parseVersionInfo(const QString &file, UpdateInfo *updateInfo)
 625 {
 626         QRegExp value("^(\\w+)=(.+)$");
 627         QRegExp section("^\\[(.+)\\]$");
 628
 629         QDate updateInfoDate;
 630         updateInfo->resetInfo();
 631
 632         QFile data(file);
 633         if(!data.open(QIODevice::ReadOnly))
 634         {
 635                 qWarning("Cannot open update info file for reading!");
 636                 return false;
 637         }
 638
 639         bool inHeader = false;
 640         bool inSection = false;
 641
 642         while(!data.atEnd())
 643         {
 644                 QString line = QString::fromLatin1(data.readLine()).trimmed();
 645                 if(section.indexIn(line) >= 0)
 646                 {
 647                         log(QString("Sec: [%1]").arg(section.cap(1)));
 648                         inSection = (section.cap(1).compare(section_id, Qt::CaseInsensitive) == 0);
 649                         inHeader = (section.cap(1).compare(header_id, Qt::CaseInsensitive) == 0);
 650                         continue;
 651                 }
 652                 if(inSection && (value.indexIn(line) >= 0))
 653                 {
 654                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 655                         if(value.cap(1).compare("BuildNo", Qt::CaseInsensitive) == 0)
 656                         {
 657                                 bool ok = false;
 658                                 unsigned int temp = value.cap(2).toUInt(&ok);
 659                                 if(ok) updateInfo->m_buildNo = temp;
 660                         }
 661                         else if(value.cap(1).compare("BuildDate", Qt::CaseInsensitive) == 0)
 662                         {
 663                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 664                                 if(temp.isValid()) updateInfo->m_buildDate = temp;
 665                         }
 666                         else if(value.cap(1).compare("DownloadSite", Qt::CaseInsensitive) == 0)
 667                         {
 668                                 updateInfo->m_downloadSite = value.cap(2).trimmed();
 669                         }
 670                         else if(value.cap(1).compare("DownloadAddress", Qt::CaseInsensitive) == 0)
 671                         {
 672                                 updateInfo->m_downloadAddress = value.cap(2).trimmed();
 673                         }
 674                         else if(value.cap(1).compare("DownloadFilename", Qt::CaseInsensitive) == 0)
 675                         {
 676                                 updateInfo->m_downloadFilename = value.cap(2).trimmed();
 677                         }
 678                         else if(value.cap(1).compare("DownloadFilecode", Qt::CaseInsensitive) == 0)
 679                         {
 680                                 updateInfo->m_downloadFilecode = value.cap(2).trimmed();
 681                         }
 682                 }
 683                 if(inHeader && (value.indexIn(line) >= 0))
 684                 {
 685                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 686                         if(value.cap(1).compare("TimestampCreated", Qt::CaseInsensitive) == 0)
 687                         {
 688                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 689                                 if(temp.isValid()) updateInfoDate = temp;
 690                         }
 691                 }
 692         }
 693
 694         if(!updateInfoDate.isValid())
 695         {
 696                 updateInfo->resetInfo();
 697                 log("WARNING: Version info timestamp is missing!");
 698                 return false;
 699         }
 700         else if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < lamexp_current_date_safe())
 701         {
 702                 updateInfo->resetInfo();
 703                 log(QString::fromLatin1("WARNING: This version info has expired at %1!").arg(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS).toString(Qt::ISODate)));
 704                 return false;
 705         }
 706         else if(lamexp_current_date_safe() < updateInfoDate)
 707         {
 708                 log("Version info is from the future, take care!");
 709                 qWarning("Version info is from the future, take care!");
 710         }
 711
 712         bool complete = true;
 713
 714         if(!(updateInfo->m_buildNo > 0)) complete = false;
 715         if(!(updateInfo->m_buildDate.year() >= 2010)) complete = false;
 716         if(updateInfo->m_downloadSite.isEmpty()) complete = false;
 717         if(updateInfo->m_downloadAddress.isEmpty()) complete = false;
 718         if(updateInfo->m_downloadFilename.isEmpty()) complete = false;
 719         if(updateInfo->m_downloadFilecode.isEmpty()) complete = false;
 720
 721         if(!complete)
 722         {
 723                 log("WARNING: Version info is incomplete!");
 724         }
 725
 726         return complete;
 727 }
 728
 729 ////////////////////////////////////////////////////////////
 730 // SLOTS
 731 ////////////////////////////////////////////////////////////
 732
 733 /*NONE*/
 734
 735 ////////////////////////////////////////////////////////////
 736 // EVENTS
 737 ////////////////////////////////////////////////////////////
 738
 739 /*NONE*/