src/Thread_CheckUpdate.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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://lamexp.berlios.de/",
  61         "http://lordmulder.github.com/LameXP/",
  62         "http://lord_mulder.bitbucket.org/",
  63         "http://www.tricksoft.de/",
  64         NULL
  65 };
  66
  67 static const char *update_mirrors_back[] =
  68 {
  69         "http://mplayer.savedonthe.net/",
  70         NULL
  71 };
  72
  73 static const char *known_hosts[] =              //Taken form: http://www.alexa.com/topsites !!!
  74 {
  75         "http://www.163.com/",
  76         "http://www.ac3filter.net/",
  77         "http://www.amazon.com/",
  78         "http://www.aol.com/",
  79         "http://www.apache.org/",
  80         "http://www.apple.com/",
  81         "http://www.adobe.com/",
  82         "http://www.avidemux.org/",
  83         "http://www.babylon.com/",
  84         "http://www.baidu.com/",
  85         "http://www.bbc.co.uk/",
  86         "http://www.berlios.de/",
  87         "http://www.bing.com/",
  88         "http://www.cnet.com/",
  89         "http://cnzz.com/",
  90         "http://codecs.com/",
  91         "http://www.codeplex.com/",
  92         "http://qt.digia.com/",
  93         "http://www.ebay.com/",
  94         "http://www.equation.com/",
  95         "http://fc2.com/",
  96         "http://www.ffmpeg.org/",
  97         "http://www.flickr.com/",
  98         "http://blog.gitorious.org/",
  99         "http://git-scm.com/",
 100         "http://www.gnome.org/",
 101         "http://www.gnu.org/",
 102         "http://go.com/",
 103         "http://code.google.com/",
 104         "http://www.heise.de/",
 105         "http://www.huffingtonpost.co.uk/",
 106         "http://www.iana.org/",
 107         "http://www.imdb.com/",
 108         "http://www.imgburn.com/",
 109         "http://imgur.com/",
 110         "http://en.jd.com/",
 111         "http://mirrors.kernel.org/",
 112         "http://www.libav.org/",
 113         "http://www.linkedin.com/about-us",
 114         "http://www.livedoor.com/",
 115         "http://www.livejournal.com/",
 116         "http://mail.ru/",
 117         "http://www.mediafire.com/",
 118         "http://www.mozilla.org/en-US/",
 119         "http://mplayerhq.hu/",
 120         "http://www.msn.com/?st=1",
 121         "http://oss.netfarm.it/",
 122         "http://www.nytimes.com/",
 123         "http://www.opera.com/",
 124         "http://www.portablefreeware.com/",
 125         "http://qt-project.org/",
 126         "http://www.quakelive.com/",
 127         "http://www.seamonkey-project.org/",
 128         "http://www.sina.com.cn/",
 129         "http://www.sohu.com/",
 130         "http://www.soso.com/",
 131         "http://sourceforge.net/",
 132         "http://www.spiegel.de/",
 133         "http://tdm-gcc.tdragon.net/",
 134         "http://www.tdrsmusic.com/",
 135         "http://www.ubuntu.com/",
 136         "http://status.twitter.com/",
 137         "http://www.uol.com.br/",
 138         "http://www.videohelp.com/",
 139         "http://www.videolan.org/",
 140         "http://www.weibo.com/",
 141         "http://www.wikipedia.org/",
 142         "http://www.winamp.com/",
 143         "http://wordpress.com/",
 144         "http://us.yahoo.com/",
 145         "http://www.yandex.ru/",
 146         "http://www.youtube.com/",
 147         "http://www.zedo.com/",
 148         "http://ffmpeg.zeranoe.com/",
 149         NULL
 150 };
 151
 152 static const int MIN_CONNSCORE = 8;
 153 static const int VERSION_INFO_EXPIRES_MONTHS = 6;
 154 static char *USER_AGENT_STR = "Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20111106 IceCat/7.0.1";
 155
 156 //Helper function
 157 static int getMaxProgress(void)
 158 {
 159         int counter = MIN_CONNSCORE + 2;
 160         for(int i = 0; update_mirrors_prim[i]; i++) counter++;
 161         for(int i = 0; update_mirrors_back[i]; i++) counter++;
 162         return counter;
 163 }
 164
 165 ////////////////////////////////////////////////////////////
 166 // Update Info Class
 167 ////////////////////////////////////////////////////////////
 168
 169 UpdateInfo::UpdateInfo(void)
 170 {
 171         resetInfo();
 172 }
 173
 174 void UpdateInfo::resetInfo(void)
 175 {
 176         m_buildNo = 0;
 177         m_buildDate.setDate(1900, 1, 1);
 178         m_downloadSite.clear();
 179         m_downloadAddress.clear();
 180         m_downloadFilename.clear();
 181         m_downloadFilecode.clear();
 182 }
 183
 184 ////////////////////////////////////////////////////////////
 185 // Constructor & Destructor
 186 ////////////////////////////////////////////////////////////
 187
 188 UpdateCheckThread::UpdateCheckThread(const bool betaUpdates, const bool testMode)
 189 :
 190         m_updateInfo(new UpdateInfo()),
 191         m_betaUpdates(betaUpdates),
 192         m_testMode(testMode),
 193         m_binaryWGet(lamexp_lookup_tool("wget.exe")),
 194         m_binaryGnuPG(lamexp_lookup_tool("gpgv.exe")),
 195         m_binaryKeys(lamexp_lookup_tool("gpgv.gpg")),
 196         m_maxProgress(getMaxProgress())
 197 {
 198         m_success = false;
 199         m_status = UpdateStatus_NotStartedYet;
 200         m_progress = 0;
 201
 202         if(m_binaryWGet.isEmpty() || m_binaryGnuPG.isEmpty() || m_binaryKeys.isEmpty())
 203         {
 204                 THROW("Tools not initialized correctly!");
 205         }
 206 }
 207
 208 UpdateCheckThread::~UpdateCheckThread(void)
 209 {
 210         delete m_updateInfo;
 211 }
 212
 213 ////////////////////////////////////////////////////////////
 214 // Protected functions
 215 ////////////////////////////////////////////////////////////
 216
 217 void UpdateCheckThread::run(void)
 218 {
 219         qDebug("Update checker thread started!");
 220
 221         try
 222         {
 223                 m_testMode ? testKnownHosts() : checkForUpdates();
 224         }
 225         catch(const std::exception &error)
 226         {
 227                 fflush(stdout); fflush(stderr);
 228                 fprintf(stderr, "\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
 229                 lamexp_fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 230         }
 231         catch(...)
 232         {
 233                 fflush(stdout); fflush(stderr);
 234                 fprintf(stderr, "\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
 235                 lamexp_fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 236         }
 237
 238         qDebug("Update checker thread completed.");
 239 }
 240
 241 void UpdateCheckThread::checkForUpdates(void)
 242 {
 243         // ----- Initialization ----- //
 244
 245         m_success = false;
 246         m_updateInfo->resetInfo();
 247         setProgress(0);
 248
 249         // ----- Test Internet Connection ----- //
 250
 251         int connectionScore = 0;
 252
 253         log("Checking internet connection...");
 254         setStatus(UpdateStatus_CheckingConnection);
 255
 256         const int networkStatus = lamexp_network_status();
 257         if(networkStatus == lamexp_network_non)
 258         {
 259                 log("", "Operating system reports that the computer is currently offline !!!");
 260                 setProgress(m_maxProgress);
 261                 setStatus(UpdateStatus_ErrorNoConnection);
 262                 return;
 263         }
 264
 265         setProgress(1);
 266
 267         // ----- Test Known Hosts Connectivity ----- //
 268
 269         QStringList hostList;
 270         for(int i = 0; known_hosts[i]; i++)
 271         {
 272                 hostList << QString::fromLatin1(known_hosts[i]);
 273         }
 274
 275         lamexp_seed_rand();
 276         while(!hostList.isEmpty())
 277         {
 278                 QString currentHost = hostList.takeAt(lamexp_rand() % hostList.count());
 279                 if(connectionScore < MIN_CONNSCORE)
 280                 {
 281                         log("", "Testing host:", currentHost);
 282                         QString outFile = QString("%1/%2.htm").arg(lamexp_temp_folder2(), lamexp_rand_str());
 283                         bool httpOk = false;
 284                         if(getFile(currentHost, outFile, 0, &httpOk))
 285                         {
 286                                 connectionScore++;
 287                                 setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
 288                                 lamexp_sleep(64);
 289                         }
 290                         if(httpOk)
 291                         {
 292                                 connectionScore++;
 293                                 setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
 294                                 lamexp_sleep(64);
 295                         }
 296                         QFile::remove(outFile);
 297                 }
 298         }
 299
 300         if(connectionScore < MIN_CONNSCORE)
 301         {
 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 bool UpdateCheckThread::tryUpdateMirror(UpdateInfo *updateInfo, const QString &url)
 441 {
 442         bool success = false;
 443         log("", "Trying mirror:", url);
 444
 445         QString randPart = lamexp_rand_str();
 446         QString outFileVersionInfo = QString("%1/%2.ver").arg(lamexp_temp_folder2(), randPart);
 447         QString outFileSignature = QString("%1/%2.sig").arg(lamexp_temp_folder2(), randPart);
 448
 449         log("", "Downloading update info:");
 450         bool ok1 = getFile(QString("%1%2").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileVersionInfo);
 451
 452         log("", "Downloading signature:");
 453         bool ok2 = getFile(QString("%1%2.sig").arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileSignature);
 454
 455         if(ok1 && ok2)
 456         {
 457                 log("", "Download okay, checking signature:");
 458                 if(checkSignature(outFileVersionInfo, outFileSignature))
 459                 {
 460                         log("", "Signature okay, parsing info:");
 461                         success = parseVersionInfo(outFileVersionInfo, updateInfo);
 462                 }
 463                 else
 464                 {
 465                         log("", "Bad signature, take care!");
 466                 }
 467         }
 468         else
 469         {
 470                 log("", "Download has failed!");
 471         }
 472
 473         QFile::remove(outFileVersionInfo);
 474         QFile::remove(outFileSignature);
 475
 476         return success;
 477 }
 478
 479 bool UpdateCheckThread::getFile(const QString &url, const QString &outFile, unsigned int maxRedir, bool *httpOk)
 480 {
 481         QFileInfo output(outFile);
 482         output.setCaching(false);
 483         if(httpOk) *httpOk = false;
 484
 485         if(output.exists())
 486         {
 487                 QFile::remove(output.canonicalFilePath());
 488                 if(output.exists())
 489                 {
 490                         return false;
 491                 }
 492         }
 493
 494         QProcess process;
 495         lamexp_init_process(process, output.absolutePath());
 496
 497         QStringList args;
 498         args << "--no-cache" << "--no-dns-cache" << QString().sprintf("--max-redirect=%u", maxRedir);
 499         args << QString("--referer=%1://%2/").arg(QUrl(url).scheme(), QUrl(url).host()) << "-U" << USER_AGENT_STR;
 500         args << "-O" << output.fileName() << url;
 501
 502         QEventLoop loop;
 503         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 504         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 505         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 506
 507         QTimer timer;
 508         timer.setSingleShot(true);
 509         timer.setInterval(25000);
 510         connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 511
 512         const QRegExp httpResponseOK("200 OK$");
 513
 514         process.start(m_binaryWGet, args);
 515
 516         if(!process.waitForStarted())
 517         {
 518                 return false;
 519         }
 520
 521         timer.start();
 522
 523         while(process.state() == QProcess::Running)
 524         {
 525                 loop.exec();
 526                 bool bTimeOut = (!timer.isActive());
 527                 while(process.canReadLine())
 528                 {
 529                         QString line = QString::fromLatin1(process.readLine()).simplified();
 530                         if(line.contains(httpResponseOK))
 531                         {
 532                                 line.append(" [OK]");
 533                                 if(httpOk) *httpOk = true;
 534                         }
 535                         log(line);
 536                 }
 537                 if(bTimeOut)
 538                 {
 539                         qWarning("WGet process timed out <-- killing!");
 540                         process.kill();
 541                         process.waitForFinished();
 542                         log("!!! TIMEOUT !!!");
 543                         return false;
 544                 }
 545         }
 546
 547         timer.stop();
 548         timer.disconnect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
 549
 550         log(QString().sprintf("Exited with code %d", process.exitCode()));
 551         return (process.exitCode() == 0) && output.exists() && output.isFile();
 552 }
 553
 554 bool UpdateCheckThread::checkSignature(const QString &file, const QString &signature)
 555 {
 556         if(QFileInfo(file).absolutePath().compare(QFileInfo(signature).absolutePath(), Qt::CaseInsensitive) != 0)
 557         {
 558                 qWarning("CheckSignature: File and signature should be in same folder!");
 559                 return false;
 560         }
 561         if(QFileInfo(file).absolutePath().compare(QFileInfo(m_binaryKeys).absolutePath(), Qt::CaseInsensitive) != 0)
 562         {
 563                 qWarning("CheckSignature: File and keyring should be in same folder!");
 564                 return false;
 565         }
 566
 567         QProcess process;
 568         lamexp_init_process(process, QFileInfo(file).absolutePath());
 569
 570         QEventLoop loop;
 571         connect(&process, SIGNAL(error(QProcess::ProcessError)), &loop, SLOT(quit()));
 572         connect(&process, SIGNAL(finished(int,QProcess::ExitStatus)), &loop, SLOT(quit()));
 573         connect(&process, SIGNAL(readyRead()), &loop, SLOT(quit()));
 574
 575         process.start(m_binaryGnuPG, QStringList() << "--homedir" << "." << "--keyring" << QFileInfo(m_binaryKeys).fileName() << QFileInfo(signature).fileName() << QFileInfo(file).fileName());
 576
 577         if(!process.waitForStarted())
 578         {
 579                 return false;
 580         }
 581
 582         while(process.state() == QProcess::Running)
 583         {
 584                 loop.exec();
 585                 while(process.canReadLine())
 586                 {
 587                         log(QString::fromLatin1(process.readLine()).simplified());
 588                 }
 589         }
 590
 591         log(QString().sprintf("Exited with code %d", process.exitCode()));
 592         return (process.exitCode() == 0);
 593 }
 594
 595 bool UpdateCheckThread::parseVersionInfo(const QString &file, UpdateInfo *updateInfo)
 596 {
 597         QRegExp value("^(\\w+)=(.+)$");
 598         QRegExp section("^\\[(.+)\\]$");
 599
 600         QDate updateInfoDate;
 601         updateInfo->resetInfo();
 602
 603         QFile data(file);
 604         if(!data.open(QIODevice::ReadOnly))
 605         {
 606                 qWarning("Cannot open update info file for reading!");
 607                 return false;
 608         }
 609
 610         bool inHeader = false;
 611         bool inSection = false;
 612
 613         while(!data.atEnd())
 614         {
 615                 QString line = QString::fromLatin1(data.readLine()).trimmed();
 616                 if(section.indexIn(line) >= 0)
 617                 {
 618                         log(QString("Sec: [%1]").arg(section.cap(1)));
 619                         inSection = (section.cap(1).compare(section_id, Qt::CaseInsensitive) == 0);
 620                         inHeader = (section.cap(1).compare(header_id, Qt::CaseInsensitive) == 0);
 621                         continue;
 622                 }
 623                 if(inSection && (value.indexIn(line) >= 0))
 624                 {
 625                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 626                         if(value.cap(1).compare("BuildNo", Qt::CaseInsensitive) == 0)
 627                         {
 628                                 bool ok = false;
 629                                 unsigned int temp = value.cap(2).toUInt(&ok);
 630                                 if(ok) updateInfo->m_buildNo = temp;
 631                         }
 632                         else if(value.cap(1).compare("BuildDate", Qt::CaseInsensitive) == 0)
 633                         {
 634                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 635                                 if(temp.isValid()) updateInfo->m_buildDate = temp;
 636                         }
 637                         else if(value.cap(1).compare("DownloadSite", Qt::CaseInsensitive) == 0)
 638                         {
 639                                 updateInfo->m_downloadSite = value.cap(2).trimmed();
 640                         }
 641                         else if(value.cap(1).compare("DownloadAddress", Qt::CaseInsensitive) == 0)
 642                         {
 643                                 updateInfo->m_downloadAddress = value.cap(2).trimmed();
 644                         }
 645                         else if(value.cap(1).compare("DownloadFilename", Qt::CaseInsensitive) == 0)
 646                         {
 647                                 updateInfo->m_downloadFilename = value.cap(2).trimmed();
 648                         }
 649                         else if(value.cap(1).compare("DownloadFilecode", Qt::CaseInsensitive) == 0)
 650                         {
 651                                 updateInfo->m_downloadFilecode = value.cap(2).trimmed();
 652                         }
 653                 }
 654                 if(inHeader && (value.indexIn(line) >= 0))
 655                 {
 656                         log(QString("Val: '%1' ==> '%2").arg(value.cap(1), value.cap(2)));
 657                         if(value.cap(1).compare("TimestampCreated", Qt::CaseInsensitive) == 0)
 658                         {
 659                                 QDate temp = QDate::fromString(value.cap(2).trimmed(), Qt::ISODate);
 660                                 if(temp.isValid()) updateInfoDate = temp;
 661                         }
 662                 }
 663         }
 664
 665         if(!updateInfoDate.isValid())
 666         {
 667                 updateInfo->resetInfo();
 668                 log("WARNING: Version info timestamp is missing!");
 669                 return false;
 670         }
 671         else if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < lamexp_current_date_safe())
 672         {
 673                 updateInfo->resetInfo();
 674                 log(QString::fromLatin1("WARNING: This version info has expired at %1!").arg(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS).toString(Qt::ISODate)));
 675                 return false;
 676         }
 677         else if(lamexp_current_date_safe() < updateInfoDate)
 678         {
 679                 log("Version info is from the future, take care!");
 680                 qWarning("Version info is from the future, take care!");
 681         }
 682
 683         bool complete = true;
 684
 685         if(!(updateInfo->m_buildNo > 0)) complete = false;
 686         if(!(updateInfo->m_buildDate.year() >= 2010)) complete = false;
 687         if(updateInfo->m_downloadSite.isEmpty()) complete = false;
 688         if(updateInfo->m_downloadAddress.isEmpty()) complete = false;
 689         if(updateInfo->m_downloadFilename.isEmpty()) complete = false;
 690         if(updateInfo->m_downloadFilecode.isEmpty()) complete = false;
 691
 692         if(!complete)
 693         {
 694                 log("WARNING: Version info is incomplete!");
 695         }
 696
 697         return complete;
 698 }
 699
 700 ////////////////////////////////////////////////////////////
 701 // SLOTS
 702 ////////////////////////////////////////////////////////////
 703
 704 /*NONE*/
 705
 706 ////////////////////////////////////////////////////////////
 707 // EVENTS
 708 ////////////////////////////////////////////////////////////
 709
 710 /*NONE*/