src/TortoiseProc/CheckForUpdatesDlg.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2008 - TortoiseSVN
   4 // Copyright (C) 2008-2013 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  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
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "TortoiseProc.h"
  22 #include "LoglistCommonResource.h"
  23 #include "..\version.h"
  24 #include "MessageBox.h"
  25 #include "CheckForUpdatesDlg.h"
  26 #include "registry.h"
  27 #include "AppUtils.h"
  28 #include "TempFile.h"
  29 #include "SmartHandle.h"
  30 #include "SysInfo.h"
  31 #include "PathUtils.h"
  32 #include "DirFileEnum.h"
  33 #include "UnicodeUtils.h"
  34 #include "UpdateCrypto.h"
  35
  36 #define SIGNATURE_FILE_ENDING _T(".asc")
  37
  38 #define WM_USER_DISPLAYSTATUS   (WM_USER + 1)
  39 #define WM_USER_ENDDOWNLOAD             (WM_USER + 2)
  40 #define WM_USER_FILLCHANGELOG   (WM_USER + 3)
  41
  42 IMPLEMENT_DYNAMIC(CCheckForUpdatesDlg, CStandAloneDialog)
  43 CCheckForUpdatesDlg::CCheckForUpdatesDlg(CWnd* pParent /*=NULL*/)
  44         : CStandAloneDialog(CCheckForUpdatesDlg::IDD, pParent)
  45         , m_bShowInfo(FALSE)
  46         , m_bForce(FALSE)
  47         , m_bVisible(FALSE)
  48         , m_pDownloadThread(NULL)
  49         , m_bThreadRunning(FALSE)
  50 {
  51         m_sUpdateDownloadLink = _T("http://redir.tortoisegit.org/download");
  52 }
  53
  54 CCheckForUpdatesDlg::~CCheckForUpdatesDlg()
  55 {
  56 }
  57
  58 void CCheckForUpdatesDlg::DoDataExchange(CDataExchange* pDX)
  59 {
  60         CStandAloneDialog::DoDataExchange(pDX);
  61         DDX_Control(pDX, IDC_LINK, m_link);
  62         DDX_Control(pDX, IDC_PROGRESSBAR, m_progress);
  63         DDX_Control(pDX, IDC_LIST_DOWNLOADS, m_ctrlFiles);
  64         DDX_Control(pDX, IDC_BUTTON_UPDATE, m_ctrlUpdate);
  65         DDX_Control(pDX, IDC_LOGMESSAGE, m_cLogMessage);
  66 }
  67
  68 BEGIN_MESSAGE_MAP(CCheckForUpdatesDlg, CStandAloneDialog)
  69         ON_WM_TIMER()
  70         ON_WM_WINDOWPOSCHANGING()
  71         ON_WM_SETCURSOR()
  72         ON_WM_DESTROY()
  73         ON_BN_CLICKED(IDC_BUTTON_UPDATE, OnBnClickedButtonUpdate)
  74         ON_MESSAGE(WM_USER_DISPLAYSTATUS, OnDisplayStatus)
  75         ON_MESSAGE(WM_USER_ENDDOWNLOAD, OnEndDownload)
  76         ON_MESSAGE(WM_USER_FILLCHANGELOG, OnFillChangelog)
  77 END_MESSAGE_MAP()
  78
  79 BOOL CCheckForUpdatesDlg::OnInitDialog()
  80 {
  81         CStandAloneDialog::OnInitDialog();
  82         CAppUtils::MarkWindowAsUnpinnable(m_hWnd);
  83
  84         CString temp;
  85         temp.Format(IDS_CHECKNEWER_YOURVERSION, TGIT_VERMAJOR, TGIT_VERMINOR, TGIT_VERMICRO, TGIT_VERBUILD);
  86         SetDlgItemText(IDC_YOURVERSION, temp);
  87
  88         DialogEnableWindow(IDOK, FALSE);
  89
  90         // hide download controls
  91         m_ctrlFiles.ShowWindow(SW_HIDE);
  92         GetDlgItem(IDC_GROUP_DOWNLOADS)->ShowWindow(SW_HIDE);
  93         RECT rectWindow, rectGroupDownloads, rectOKButton;
  94         GetWindowRect(&rectWindow);
  95         GetDlgItem(IDC_GROUP_DOWNLOADS)->GetWindowRect(&rectGroupDownloads);
  96         GetDlgItem(IDOK)->GetWindowRect(&rectOKButton);
  97         LONG bottomDistance = rectWindow.bottom - rectOKButton.bottom;
  98         OffsetRect(&rectOKButton, 0, rectGroupDownloads.top - rectOKButton.top);
  99         rectWindow.bottom = rectOKButton.bottom + bottomDistance;
 100         MoveWindow(&rectWindow);
 101         ::MapWindowPoints(NULL, GetSafeHwnd(), (LPPOINT)&rectOKButton, 2);
 102         GetDlgItem(IDOK)->MoveWindow(&rectOKButton);
 103
 104         temp.LoadString(IDS_STATUSLIST_COLFILE);
 105         m_ctrlFiles.InsertColumn(0, temp, 0, -1);
 106         m_ctrlFiles.InsertColumn(1, temp, 0, -1);
 107         m_ctrlFiles.SetExtendedStyle(LVS_EX_DOUBLEBUFFER | LVS_EX_CHECKBOXES);
 108         m_ctrlFiles.SetColumnWidth(0, 350);
 109         m_ctrlFiles.SetColumnWidth(1, 200);
 110
 111         ProjectProperties pp;
 112         pp.SetCheckRe(_T("[Ii]ssues?:?(\\s*(,|and)?\\s*#?\\d+)+"));
 113         pp.SetBugIDRe(_T("(\\d+)"));
 114         pp.lProjectLanguage = -1;
 115         pp.sUrl = _T("http://code.google.com/p/tortoisegit/issues/detail?id=%BUGID%");
 116         m_cLogMessage.Init(pp);
 117         m_cLogMessage.SetFont((CString)CRegString(_T("Software\\TortoiseGit\\LogFontName"), _T("Courier New")), (DWORD)CRegDWORD(_T("Software\\TortoiseGit\\LogFontSize"), 8));
 118         m_cLogMessage.Call(SCI_SETREADONLY, TRUE);
 119
 120         if (AfxBeginThread(CheckThreadEntry, this)==NULL)
 121         {
 122                 CMessageBox::Show(NULL, IDS_ERR_THREADSTARTFAILED, IDS_APPNAME, MB_OK | MB_ICONERROR);
 123         }
 124
 125         SetTimer(100, 1000, NULL);
 126         return TRUE;
 127 }
 128
 129 void CCheckForUpdatesDlg::OnDestroy()
 130 {
 131         for (int i = 0; i < m_ctrlFiles.GetItemCount(); ++i)
 132                 delete (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 133
 134         CStandAloneDialog::OnDestroy();
 135 }
 136
 137 void CCheckForUpdatesDlg::OnOK()
 138 {
 139         if (m_bThreadRunning || m_pDownloadThread != NULL)
 140                 return; // Don't exit while downloading
 141
 142         CStandAloneDialog::OnOK();
 143 }
 144
 145 void CCheckForUpdatesDlg::OnCancel()
 146 {
 147         if (m_bThreadRunning || m_pDownloadThread != NULL)
 148                 return; // Don't exit while downloading
 149         CStandAloneDialog::OnCancel();
 150 }
 151
 152 UINT CCheckForUpdatesDlg::CheckThreadEntry(LPVOID pVoid)
 153 {
 154         return ((CCheckForUpdatesDlg*)pVoid)->CheckThread();
 155 }
 156
 157 UINT CCheckForUpdatesDlg::CheckThread()
 158 {
 159         m_bThreadRunning = TRUE;
 160
 161         CString temp;
 162         CString tempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 163
 164         bool official = false;
 165
 166         CRegString checkurluser = CRegString(_T("Software\\TortoiseGit\\UpdateCheckURL"), _T(""));
 167         CRegString checkurlmachine = CRegString(_T("Software\\TortoiseGit\\UpdateCheckURL"), _T(""), FALSE, HKEY_LOCAL_MACHINE);
 168         CString sCheckURL = checkurluser;
 169         if (sCheckURL.IsEmpty())
 170         {
 171                 sCheckURL = checkurlmachine;
 172                 if (sCheckURL.IsEmpty())
 173                 {
 174                         official = true;
 175                         bool checkPreview = false;
 176 #if PREVIEW
 177                         checkPreview = true;
 178 #else
 179                         CRegStdDWORD regCheckPreview(L"Software\\TortoiseGit\\VersionCheckPreview", FALSE);
 180                         if (DWORD(regCheckPreview))
 181                                 checkPreview = true;
 182 #endif
 183                         if (checkPreview)
 184                         {
 185                                 sCheckURL = _T("http://version.tortoisegit.googlecode.com/git/version-preview.txt");
 186                                 SetDlgItemText(IDC_SOURCE, _T("Using preview release channel"));
 187                         }
 188                         else
 189                                 sCheckURL = _T("http://version.tortoisegit.googlecode.com/git/version.txt");
 190                 }
 191         }
 192
 193         if (!official)
 194                 SetDlgItemText(IDC_SOURCE, _T("Using (unofficial) release channel: ") + sCheckURL);
 195
 196         CoInitialize(NULL);
 197         if (m_bForce)
 198                 DeleteUrlCacheEntry(sCheckURL);
 199         HRESULT res = URLDownloadToFile(NULL, sCheckURL, tempfile, 0, NULL);
 200         if (res == S_OK && official)
 201         {
 202                 CString signatureTempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 203                 if (m_bForce)
 204                         DeleteUrlCacheEntry(sCheckURL + SIGNATURE_FILE_ENDING);
 205                 res = URLDownloadToFile(nullptr, sCheckURL + SIGNATURE_FILE_ENDING, signatureTempfile, 0, nullptr);
 206                 if (res == S_OK && VerifyIntegrity(tempfile, signatureTempfile))
 207                 {
 208                         SetDlgItemText(IDC_CHECKRESULT, _T("Could not verify digital signature."));
 209                         DeleteUrlCacheEntry(sCheckURL);
 210                         DeleteUrlCacheEntry(sCheckURL + SIGNATURE_FILE_ENDING);
 211                         goto finish;
 212                 }
 213         }
 214         if (res == S_OK)
 215         {
 216                 try
 217                 {
 218                         CStdioFile file(tempfile, CFile::modeRead | CFile::shareDenyWrite);
 219                         CString ver;
 220                         unsigned int major,minor,micro,build;
 221                         major=minor=micro=build=0;
 222                         unsigned __int64 version=0;
 223
 224                         if (file.ReadString(ver))
 225                         {
 226                                 CString vertemp = ver;
 227                                 // another versionstring for the filename can be provided after a semicolon
 228                                 // this is needed for preview releases
 229                                 int differentFilenamePos = vertemp.Find(_T(";"));
 230                                 if (differentFilenamePos > 0)
 231                                 {
 232                                         vertemp = vertemp.Left(differentFilenamePos);
 233                                         ver = ver.Mid(differentFilenamePos + 1);
 234                                 }
 235
 236                                 major = _ttoi(vertemp);
 237                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 238                                 minor = _ttoi(vertemp);
 239                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 240                                 micro = _ttoi(vertemp);
 241                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 242                                 build = _ttoi(vertemp);
 243                                 version = major;
 244                                 version <<= 16;
 245                                 version += minor;
 246                                 version <<= 16;
 247                                 version += micro;
 248                                 version <<= 16;
 249                                 version += build;
 250                         }
 251
 252                         {
 253                                 BOOL bNewer = FALSE;
 254                                 if (m_bForce)
 255                                         bNewer = TRUE;
 256                                 if (major > TGIT_VERMAJOR)
 257                                         bNewer = TRUE;
 258                                 else if ((minor > TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 259                                         bNewer = TRUE;
 260                                 else if ((micro > TGIT_VERMICRO)&&(minor == TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 261                                         bNewer = TRUE;
 262                                 else if ((build > TGIT_VERBUILD)&&(micro == TGIT_VERMICRO)&&(minor == TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 263                                         bNewer = TRUE;
 264
 265                                 if (version != 0)
 266                                 {
 267                                         CString version;
 268                                         version.Format(_T("%d.%d.%d.%d"),major,minor,micro,build);
 269                                         if (version != ver)
 270                                                 version += _T(" (") + ver + _T(")");
 271                                         temp.Format(IDS_CHECKNEWER_CURRENTVERSION, (LPCTSTR)version);
 272                                         SetDlgItemText(IDC_CURRENTVERSION, temp);
 273                                 }
 274
 275                                 if (version == 0)
 276                                 {
 277                                         temp.LoadString(IDS_CHECKNEWER_NETERROR);
 278                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 279                                 }
 280                                 else if (bNewer)
 281                                 {
 282                                         if(file.ReadString(temp) && !temp.IsEmpty())
 283                                         {       // Read the next line, it could contain a message for the user
 284                                                 CString tempLink;
 285                                                 if(file.ReadString(tempLink) && !tempLink.IsEmpty())
 286                                                 {       // Read another line to find out the download link-URL, if any
 287                                                         m_sUpdateDownloadLink = tempLink;
 288                                                 }
 289                                         }
 290                                         else
 291                                         {
 292                                                 temp.LoadString(IDS_CHECKNEWER_NEWERVERSIONAVAILABLE);
 293                                                 CString tempLink;
 294                                                 file.ReadString(tempLink);
 295                                         }
 296                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 297                                         m_bShowInfo = TRUE;
 298
 299                                         FillChangelog(file);
 300                                         FillDownloads(file, ver);
 301
 302                                         // Show download controls
 303                                         RECT rectWindow, rectProgress, rectGroupDownloads, rectOKButton;
 304                                         GetWindowRect(&rectWindow);
 305                                         m_progress.GetWindowRect(&rectProgress);
 306                                         GetDlgItem(IDC_GROUP_DOWNLOADS)->GetWindowRect(&rectGroupDownloads);
 307                                         GetDlgItem(IDOK)->GetWindowRect(&rectOKButton);
 308                                         LONG bottomDistance = rectWindow.bottom - rectOKButton.bottom;
 309                                         OffsetRect(&rectOKButton, 0, (rectGroupDownloads.bottom + (rectGroupDownloads.bottom - rectProgress.bottom)) - rectOKButton.top);
 310                                         rectWindow.bottom = rectOKButton.bottom + bottomDistance;
 311                                         MoveWindow(&rectWindow);
 312                                         ::MapWindowPoints(NULL, GetSafeHwnd(), (LPPOINT)&rectOKButton, 2);
 313                                         GetDlgItem(IDOK)->MoveWindow(&rectOKButton);
 314                                         m_ctrlFiles.ShowWindow(SW_SHOW);
 315                                         GetDlgItem(IDC_GROUP_DOWNLOADS)->ShowWindow(SW_SHOW);
 316                                         CenterWindow();
 317                                 }
 318                                 else
 319                                 {
 320                                         temp.LoadString(IDS_CHECKNEWER_YOURUPTODATE);
 321                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 322                                         file.ReadString(temp);
 323                                         file.ReadString(temp);
 324                                         FillChangelog(file);
 325                                 }
 326                         }
 327                 }
 328                 catch (CException * e)
 329                 {
 330                         e->Delete();
 331                         temp.LoadString(IDS_CHECKNEWER_NETERROR);
 332                         SetDlgItemText(IDC_CHECKRESULT, temp);
 333                 }
 334         }
 335         else
 336         {
 337                 // Try to cache web page;
 338
 339                 temp.LoadString(IDS_CHECKNEWER_NETERROR);
 340                 SetDlgItemText(IDC_CHECKRESULT, temp);
 341         }
 342         if (!m_sUpdateDownloadLink.IsEmpty())
 343         {
 344                 m_link.ShowWindow(SW_SHOW);
 345                 m_link.SetURL(m_sUpdateDownloadLink);
 346         }
 347
 348 finish:
 349         CoUninitialize();
 350         m_bThreadRunning = FALSE;
 351         DialogEnableWindow(IDOK, TRUE);
 352         return 0;
 353 }
 354
 355 void CCheckForUpdatesDlg::FillDownloads(CStdioFile &file, CString version)
 356 {
 357 #if WIN64
 358         const CString x86x64 = _T("64");
 359 #else
 360         const CString x86x64 = _T("32");
 361 #endif
 362
 363         if (!file.ReadString(m_sFilesURL) || m_sFilesURL.IsEmpty())
 364                 m_sFilesURL = _T("http://tortoisegit.googlecode.com/files/");
 365
 366         m_ctrlFiles.InsertItem(0, _T("TortoiseGit"));
 367         CString filename;
 368         filename.Format(_T("TortoiseGit-%s-%sbit.msi"), version, x86x64);
 369         m_ctrlFiles.SetItemData(0, (DWORD_PTR)(new CUpdateListCtrl::Entry(filename, CUpdateListCtrl::STATUS_NONE)));
 370         m_ctrlFiles.SetCheck(0 , TRUE);
 371
 372         std::vector<DWORD> m_installedLangs;
 373         {
 374                 // set up the language selecting combobox
 375                 CString path = CPathUtils::GetAppParentDirectory();
 376                 path = path + _T("Languages\\");
 377                 CSimpleFileFind finder(path, _T("*.dll"));
 378                 while (finder.FindNextFileNoDirectories())
 379                 {
 380                         CString file = finder.GetFilePath();
 381                         CString filename = finder.GetFileName();
 382                         if (filename.Left(12).CompareNoCase(_T("TortoiseProc")) == 0)
 383                         {
 384                                 CString sVer = _T(STRPRODUCTVER);
 385                                 sVer = sVer.Left(sVer.ReverseFind('.'));
 386                                 CString sFileVer = CPathUtils::GetVersionFromFile(file);
 387                                 sFileVer = sFileVer.Left(sFileVer.ReverseFind('.'));
 388                                 CString sLoc = filename.Mid(12);
 389                                 sLoc = sLoc.Left(sLoc.GetLength() - 4); // cut off ".dll"
 390                                 if ((sLoc.Left(2) == L"32") && (sLoc.GetLength() > 5))
 391                                         continue;
 392                                 DWORD loc = _tstoi(filename.Mid(12));
 393                                 m_installedLangs.push_back(loc);
 394                         }
 395                 }
 396         }
 397
 398         CString langs;
 399         while (file.ReadString(langs) && !langs.IsEmpty())
 400         {
 401                 CString sLang = _T("TortoiseGit Language Pack ") + langs.Mid(5);
 402
 403                 DWORD loc = _tstoi(langs.Mid(0, 4));
 404                 TCHAR buf[MAX_PATH];
 405                 GetLocaleInfo(loc, LOCALE_SNATIVELANGNAME, buf, _countof(buf));
 406                 CString sLang2(buf);
 407                 GetLocaleInfo(loc, LOCALE_SNATIVECTRYNAME, buf, _countof(buf));
 408                 if (buf[0])
 409                 {
 410                         sLang2 += _T(" (");
 411                         sLang2 += buf;
 412                         sLang2 += _T(")");
 413                 }
 414
 415                 int pos = m_ctrlFiles.InsertItem(m_ctrlFiles.GetItemCount(), sLang);
 416                 m_ctrlFiles.SetItemText(pos, 1, sLang2);
 417
 418                 CString filename;
 419                 filename.Format(_T("TortoiseGit-LanguagePack-%s-%sbit-%s.msi"), version, x86x64, langs.Mid(5));
 420                 m_ctrlFiles.SetItemData(pos, (DWORD_PTR)(new CUpdateListCtrl::Entry(filename, CUpdateListCtrl::STATUS_NONE)));
 421
 422                 if (std::find(m_installedLangs.begin(), m_installedLangs.end(), loc) != m_installedLangs.end())
 423                         m_ctrlFiles.SetCheck(pos , TRUE);
 424         }
 425         DialogEnableWindow(IDC_BUTTON_UPDATE, TRUE);
 426 }
 427
 428 void CCheckForUpdatesDlg::FillChangelog(CStdioFile &file)
 429 {
 430         CString sChangelogURL;
 431         if (!file.ReadString(sChangelogURL) || sChangelogURL.IsEmpty())
 432                 sChangelogURL = _T("http://tortoisegit.googlecode.com/git/src/Changelog.txt");
 433
 434         CString tempchangelogfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 435         HRESULT res = URLDownloadToFile(NULL, sChangelogURL, tempchangelogfile, 0, NULL);
 436         if (SUCCEEDED(res))
 437         {
 438                 CString temp;
 439                 CStdioFile file(tempchangelogfile, CFile::modeRead|CFile::typeText);
 440                 CString str;
 441                 bool first = true;
 442                 while (file.ReadString(str))
 443                 {
 444                         if (first)
 445                         {
 446                                 first = false;
 447                                 if (str.GetLength() > 2 && str.GetAt(0) == 0xEF && str.GetAt(1) == 0xBB)
 448                                 {
 449                                         if (str.GetAt(2) == 0xBF)
 450                                         {
 451                                                 str = str.Mid(3);
 452                                         }
 453                                         else
 454                                         {
 455                                                 str = str.Mid(2);
 456                                         }
 457                                 }
 458                         }
 459                         str = CUnicodeUtils::GetUnicode(CStringA(str), CP_UTF8);
 460                         temp += str + _T("\n");
 461                 }
 462                 ::SendMessage(m_hWnd, WM_USER_FILLCHANGELOG, 0, reinterpret_cast<LPARAM>(temp.GetBuffer()));
 463         }
 464         else
 465                 ::SendMessage(m_hWnd, WM_USER_FILLCHANGELOG, 0, reinterpret_cast<LPARAM>(_T("Could not load changelog.")));
 466 }
 467
 468 void CCheckForUpdatesDlg::OnTimer(UINT_PTR nIDEvent)
 469 {
 470         if (nIDEvent == 100)
 471         {
 472                 if (m_bThreadRunning == FALSE)
 473                 {
 474                         if (m_bShowInfo)
 475                         {
 476                                 m_bVisible = TRUE;
 477                                 ShowWindow(SW_SHOWNORMAL);
 478                         }
 479                         else
 480                         {
 481                                 EndDialog(0);
 482                         }
 483                 }
 484         }
 485         CStandAloneDialog::OnTimer(nIDEvent);
 486 }
 487
 488 void CCheckForUpdatesDlg::OnWindowPosChanging(WINDOWPOS* lpwndpos)
 489 {
 490         CStandAloneDialog::OnWindowPosChanging(lpwndpos);
 491         if (m_bVisible == FALSE)
 492                 lpwndpos->flags &= ~SWP_SHOWWINDOW;
 493 }
 494
 495 BOOL CCheckForUpdatesDlg::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
 496 {
 497         HCURSOR hCur = LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW));
 498         SetCursor(hCur);
 499         return CStandAloneDialogTmpl<CDialog>::OnSetCursor(pWnd, nHitTest, message);
 500 }
 501
 502 void CCheckForUpdatesDlg::OnBnClickedButtonUpdate()
 503 {
 504         CString title;
 505         m_ctrlUpdate.GetWindowText(title);
 506         if (m_pDownloadThread == NULL && title == CString(MAKEINTRESOURCE(IDS_PROC_DOWNLOAD)))
 507         {
 508                 bool isOneSelected = false;
 509                 for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 510                 {
 511                         if (m_ctrlFiles.GetCheck(i))
 512                         {
 513                                 isOneSelected = true;
 514                                 break;
 515                         }
 516                 }
 517                 if (!isOneSelected)
 518                         return;
 519
 520                 m_eventStop.ResetEvent();
 521
 522                 m_pDownloadThread = ::AfxBeginThread(DownloadThreadEntry, this, THREAD_PRIORITY_NORMAL, 0, CREATE_SUSPENDED);
 523                 if (m_pDownloadThread != NULL)
 524                 {
 525                         m_pDownloadThread->m_bAutoDelete = FALSE;
 526                         m_pDownloadThread->ResumeThread();
 527
 528                         GetDlgItem(IDC_BUTTON_UPDATE)->SetWindowText(CString(MAKEINTRESOURCE(IDS_ABORTBUTTON)));
 529                 }
 530                 else
 531                 {
 532                         CMessageBox::Show(NULL, IDS_ERR_THREADSTARTFAILED, IDS_APPNAME, MB_OK | MB_ICONERROR);
 533                 }
 534         }
 535         else if (title == CString(MAKEINTRESOURCE(IDS_ABORTBUTTON)))
 536         {
 537                 // Abort
 538                 m_eventStop.SetEvent();
 539         }
 540         else
 541         {
 542                 CString folder = GetDownloadsDirectory();
 543                 if (m_ctrlUpdate.GetCurrentEntry() == 0)
 544                 {
 545                         for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 546                         {
 547                                 CUpdateListCtrl::Entry *data = (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 548                                 if (m_ctrlFiles.GetCheck(i) == TRUE)
 549                                         ShellExecute(NULL, _T("open"), folder + data->m_filename, NULL, NULL, SW_SHOWNORMAL);
 550                         }
 551                         CStandAloneDialog::OnOK();
 552                 }
 553                 else if (m_ctrlUpdate.GetCurrentEntry() == 1)
 554                 {
 555                         ShellExecute(NULL, _T("open"), folder, NULL, NULL, SW_SHOWNORMAL);
 556                 }
 557
 558                 m_ctrlUpdate.SetCurrentEntry(0);
 559         }
 560 }
 561
 562 UINT CCheckForUpdatesDlg::DownloadThreadEntry(LPVOID pVoid)
 563 {
 564         return ((CCheckForUpdatesDlg*)pVoid)->DownloadThread();
 565 }
 566
 567 bool CCheckForUpdatesDlg::Download(CString filename)
 568 {
 569         CString url = m_sFilesURL + filename;
 570         CString destFilename = GetDownloadsDirectory() + filename;
 571         if (PathFileExists(destFilename) && PathFileExists(destFilename + SIGNATURE_FILE_ENDING))
 572         {
 573                 if (VerifyIntegrity(destFilename, destFilename + SIGNATURE_FILE_ENDING) == 0)
 574                         return true;
 575                 else
 576                 {
 577                         DeleteFile(destFilename);
 578                         DeleteFile(destFilename + SIGNATURE_FILE_ENDING);
 579                         DeleteUrlCacheEntry(url);
 580                         DeleteUrlCacheEntry(url + SIGNATURE_FILE_ENDING);
 581                 }
 582         }
 583
 584         CBSCallbackImpl bsc(this->GetSafeHwnd(), m_eventStop);
 585
 586         m_progress.SetRange32(0, 1);
 587         m_progress.SetPos(0);
 588         m_progress.ShowWindow(SW_SHOW);
 589
 590         CString tempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 591         CString signatureTempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 592         if (m_bForce)
 593                 DeleteUrlCacheEntry(url);
 594         HRESULT res = URLDownloadToFile(NULL, url, tempfile, 0, &bsc);
 595         if (res == S_OK)
 596         {
 597                 if (m_bForce)
 598                         DeleteUrlCacheEntry(url + SIGNATURE_FILE_ENDING);
 599                 res = URLDownloadToFile(NULL, url + SIGNATURE_FILE_ENDING, signatureTempfile, 0, nullptr);
 600                 m_progress.SetPos(m_progress.GetPos() + 1);
 601         }
 602         if (res == S_OK)
 603         {
 604                 if (VerifyIntegrity(tempfile, signatureTempfile) == 0)
 605                 {
 606                         DeleteFile(destFilename);
 607                         DeleteFile(destFilename + SIGNATURE_FILE_ENDING);
 608                         MoveFile(tempfile, destFilename);
 609                         MoveFile(signatureTempfile, destFilename + SIGNATURE_FILE_ENDING);
 610                         return true;
 611                 }
 612                 DeleteUrlCacheEntry(url);
 613                 DeleteUrlCacheEntry(url + SIGNATURE_FILE_ENDING);
 614         }
 615         return false;
 616 }
 617
 618 UINT CCheckForUpdatesDlg::DownloadThread()
 619 {
 620         m_ctrlFiles.SetExtendedStyle(m_ctrlFiles.GetExtendedStyle() & ~LVS_EX_CHECKBOXES);
 621
 622         CoInitialize(NULL);
 623
 624         BOOL result = TRUE;
 625         for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 626         {
 627                 m_ctrlFiles.EnsureVisible(i, FALSE);
 628                 CRect rect;
 629                 m_ctrlFiles.GetItemRect(i, &rect, LVIR_BOUNDS);
 630                 CUpdateListCtrl::Entry *data = (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 631                 if (m_ctrlFiles.GetCheck(i) == TRUE)
 632                 {
 633                         data->m_status = CUpdateListCtrl::STATUS_DOWNLOADING;
 634                         m_ctrlFiles.InvalidateRect(rect);
 635                         if (Download(data->m_filename))
 636                                 data->m_status = CUpdateListCtrl::STATUS_SUCCESS;
 637                         else
 638                         {
 639                                 data->m_status = CUpdateListCtrl::STATUS_FAIL;
 640                                 result = FALSE;
 641                         }
 642                 }
 643                 else
 644                         data->m_status = CUpdateListCtrl::STATUS_IGNORE;
 645                 m_ctrlFiles.InvalidateRect(rect);
 646         }
 647
 648         ::PostMessage(GetSafeHwnd(), WM_USER_ENDDOWNLOAD, 0, 0);
 649
 650         CoUninitialize();
 651
 652         return result;
 653 }
 654
 655 LRESULT CCheckForUpdatesDlg::OnEndDownload(WPARAM, LPARAM)
 656 {
 657         ASSERT(m_pDownloadThread != NULL);
 658
 659         // wait until the thread terminates
 660         DWORD dwExitCode;
 661         if (::GetExitCodeThread(m_pDownloadThread->m_hThread, &dwExitCode) && dwExitCode == STILL_ACTIVE)
 662                 ::WaitForSingleObject(m_pDownloadThread->m_hThread, INFINITE);
 663
 664         // make sure we always have the correct exit code
 665         ::GetExitCodeThread(m_pDownloadThread->m_hThread, &dwExitCode);
 666
 667         delete m_pDownloadThread;
 668         m_pDownloadThread = NULL;
 669
 670         m_progress.ShowWindow(SW_HIDE);
 671
 672         if (dwExitCode == TRUE)
 673         {
 674                 m_ctrlUpdate.AddEntry(CString(MAKEINTRESOURCE(IDS_PROC_INSTALL)));
 675                 m_ctrlUpdate.AddEntry(CString(MAKEINTRESOURCE(IDS_CHECKUPDATE_DESTFOLDER)));
 676                 m_ctrlUpdate.Invalidate();
 677         }
 678         else
 679         {
 680                 m_ctrlUpdate.SetWindowText(CString(MAKEINTRESOURCE(IDS_PROC_DOWNLOAD)));
 681                 CMessageBox::Show(NULL, IDS_ERR_FAILEDUPDATEDOWNLOAD, IDS_APPNAME, MB_ICONERROR);
 682         }
 683
 684         return 0;
 685 }
 686
 687 LRESULT CCheckForUpdatesDlg::OnFillChangelog(WPARAM, LPARAM lParam)
 688 {
 689         ASSERT(lParam != NULL);
 690
 691         TCHAR * changelog = reinterpret_cast<TCHAR *>(lParam);
 692         m_cLogMessage.Call(SCI_SETREADONLY, FALSE);
 693         m_cLogMessage.SetText(changelog);
 694         m_cLogMessage.Call(SCI_SETREADONLY, TRUE);
 695         m_cLogMessage.Call(SCI_GOTOPOS, 0);
 696
 697         return 0;
 698 }
 699
 700 CString CCheckForUpdatesDlg::GetDownloadsDirectory()
 701 {
 702         CString folder;
 703
 704         if (SysInfo::Instance().IsVistaOrLater())
 705         {
 706                 CAutoLibrary hShell = AtlLoadSystemLibraryUsingFullPath(_T("shell32.dll"));
 707                 if (hShell)
 708                 {
 709                         typedef HRESULT STDAPICALLTYPE SHGetKnownFolderPathFN(__in REFKNOWNFOLDERID rfid, __in DWORD dwFlags, __in_opt HANDLE hToken, __deref_out PWSTR *ppszPath);
 710                         SHGetKnownFolderPathFN *pfnSHGetKnownFolderPath = (SHGetKnownFolderPathFN*)GetProcAddress(hShell, "SHGetKnownFolderPath");
 711                         if (pfnSHGetKnownFolderPath)
 712                         {
 713                                 wchar_t * wcharPtr = 0;
 714                                 HRESULT hr = pfnSHGetKnownFolderPath(FOLDERID_Downloads, KF_FLAG_CREATE, NULL, &wcharPtr);
 715                                 if (SUCCEEDED(hr))
 716                                 {
 717                                         folder = wcharPtr;
 718                                         CoTaskMemFree(static_cast<void*>(wcharPtr));
 719                                         return folder.TrimRight(_T("\\")) + _T("\\");
 720                                 }
 721                         }
 722                 }
 723         }
 724
 725         TCHAR szPath[MAX_PATH];
 726         if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PERSONAL | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, szPath)))
 727                 folder = szPath;
 728         CString downloads = folder.TrimRight(_T("\\")) + _T("\\Downloads\\");
 729         if ((PathFileExists(downloads) && PathIsDirectory(downloads)) || (!PathFileExists(downloads) && CreateDirectory(downloads, NULL)))
 730                 return downloads;
 731
 732         return folder;
 733 }
 734
 735 LRESULT CCheckForUpdatesDlg::OnDisplayStatus(WPARAM, LPARAM lParam)
 736 {
 737         const DOWNLOADSTATUS *const pDownloadStatus = reinterpret_cast<DOWNLOADSTATUS *>(lParam);
 738         if (pDownloadStatus != NULL)
 739         {
 740                 ASSERT(::AfxIsValidAddress(pDownloadStatus, sizeof(DOWNLOADSTATUS)));
 741
 742                 m_progress.SetRange32(0, pDownloadStatus->ulProgressMax);
 743                 m_progress.SetPos(pDownloadStatus->ulProgress);
 744         }
 745
 746         return 0;
 747 }
 748
 749 CBSCallbackImpl::CBSCallbackImpl(HWND hWnd, HANDLE hEventStop)
 750 {
 751         m_hWnd = hWnd;
 752         m_hEventStop = hEventStop;
 753         m_ulObjRefCount = 1;
 754 }
 755
 756 // IUnknown
 757 STDMETHODIMP CBSCallbackImpl::QueryInterface(REFIID riid, void **ppvObject)
 758 {
 759         *ppvObject = NULL;
 760
 761         // IUnknown
 762         if (::IsEqualIID(riid, __uuidof(IUnknown)))
 763                 *ppvObject = this;
 764
 765         // IBindStatusCallback
 766         else if (::IsEqualIID(riid, __uuidof(IBindStatusCallback)))
 767                 *ppvObject = static_cast<IBindStatusCallback *>(this);
 768
 769         if (*ppvObject)
 770         {
 771                 (*reinterpret_cast<LPUNKNOWN *>(ppvObject))->AddRef();
 772                 return S_OK;
 773         }
 774
 775         return E_NOINTERFACE;
 776 }
 777
 778 STDMETHODIMP_(ULONG) CBSCallbackImpl::AddRef()
 779 {
 780         return ++m_ulObjRefCount;
 781 }
 782
 783 STDMETHODIMP_(ULONG) CBSCallbackImpl::Release()
 784 {
 785         return --m_ulObjRefCount;
 786 }
 787
 788 // IBindStatusCallback
 789 STDMETHODIMP CBSCallbackImpl::OnStartBinding(DWORD, IBinding *)
 790 {
 791         return S_OK;
 792 }
 793
 794 STDMETHODIMP CBSCallbackImpl::GetPriority(LONG *)
 795 {
 796         return E_NOTIMPL;
 797 }
 798 STDMETHODIMP CBSCallbackImpl::OnLowResource(DWORD)
 799 {
 800         return S_OK;
 801 }
 802
 803 STDMETHODIMP CBSCallbackImpl::OnProgress(ULONG ulProgress, ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR /* szStatusText */)
 804 {
 805         TRACE(_T("IBindStatusCallback::OnProgress\n"));
 806         TRACE(_T("ulProgress: %lu, ulProgressMax: %lu\n"), ulProgress, ulProgressMax);
 807         UNREFERENCED_PARAMETER(ulStatusCode);
 808         TRACE(_T("ulStatusCode: %lu "), ulStatusCode);
 809
 810         if (m_hWnd != NULL)
 811         {
 812                 // inform the dialog box to display current status,
 813                 // don't use PostMessage
 814                 CCheckForUpdatesDlg::DOWNLOADSTATUS downloadStatus = { ulProgress, ulProgressMax + 1 }; // + 1 for download of signature file
 815                 ::SendMessage(m_hWnd, WM_USER_DISPLAYSTATUS, 0, reinterpret_cast<LPARAM>(&downloadStatus));
 816         }
 817
 818         if (m_hEventStop != NULL && ::WaitForSingleObject(m_hEventStop, 0) == WAIT_OBJECT_0)
 819         {
 820                 return E_ABORT;  // canceled by the user
 821         }
 822
 823         return S_OK;
 824 }
 825
 826 STDMETHODIMP CBSCallbackImpl::OnStopBinding(HRESULT, LPCWSTR)
 827 {
 828         return S_OK;
 829 }
 830
 831 STDMETHODIMP CBSCallbackImpl::GetBindInfo(DWORD *, BINDINFO *)
 832 {
 833         return S_OK;
 834 }
 835
 836 STDMETHODIMP CBSCallbackImpl::OnDataAvailable(DWORD, DWORD, FORMATETC *, STGMEDIUM *)
 837 {
 838         return S_OK;
 839 }
 840
 841 STDMETHODIMP CBSCallbackImpl::OnObjectAvailable(REFIID, IUnknown *)
 842 {
 843         return S_OK;
 844 }