base/applications/rapps/loaddlg.cpp

   1 /*
   2  * PROJECT:     ReactOS Applications Manager
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * FILE:        base/applications/rapps/loaddlg.cpp
   5  * PURPOSE:     Displaying a download dialog
   6  * COPYRIGHT:   Copyright 2001 John R. Sheets             (for CodeWeavers)
   7  *              Copyright 2004 Mike McCormack             (for CodeWeavers)
   8  *              Copyright 2005 Ge van Geldorp             (gvg@reactos.org)
   9  *              Copyright 2009 Dmitry Chapyshev           (dmitry@reactos.org)
  10  *              Copyright 2015 Ismael Ferreras Morezuelas (swyterzone+ros@gmail.com)
  11  *              Copyright 2017 Alexander Shaposhnikov     (sanchaez@reactos.org)
  12  */
  13
  14  /*
  15   * Based on Wine dlls/shdocvw/shdocvw_main.c
  16   *
  17   * This library is free software; you can redistribute it and/or
  18   * modify it under the terms of the GNU Lesser General Public
  19   * License as published by the Free Software Foundation; either
  20   * version 2.1 of the License, or (at your option) any later version.
  21   *
  22   * This library is distributed in the hope that it will be useful,
  23   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25   * Lesser General Public License for more details.
  26   *
  27   * You should have received a copy of the GNU Lesser General Public
  28   * License along with this library; if not, write to the Free Software
  29   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  30   */
  31 #include "rapps.h"
  32
  33 #include <shlobj_undoc.h>
  34 #include <shlguid_undoc.h>
  35
  36 #include <atlbase.h>
  37 #include <atlcom.h>
  38 #include <atlwin.h>
  39 #include <wininet.h>
  40 #include <shellutils.h>
  41
  42 #include <rosctrls.h>
  43 #include <windowsx.h>
  44 #undef SubclassWindow
  45
  46 #include "rosui.h"
  47 #include "dialogs.h"
  48 #include "misc.h"
  49
  50 #ifdef USE_CERT_PINNING
  51 #define CERT_ISSUER_INFO "US\r\nLet's Encrypt\r\nLet's Encrypt Authority X3"
  52 #define CERT_SUBJECT_INFO "rapps.reactos.org"
  53 #endif
  54
  55 enum DownloadStatus
  56 {
  57     DLSTATUS_WAITING = IDS_STATUS_WAITING,
  58     DLSTATUS_DOWNLOADING = IDS_STATUS_DOWNLOADING,
  59     DLSTATUS_WAITING_INSTALL = IDS_STATUS_DOWNLOADED,
  60     DLSTATUS_INSTALLING = IDS_STATUS_INSTALLING,
  61     DLSTATUS_INSTALLED = IDS_STATUS_INSTALLED,
  62     DLSTATUS_FINISHED = IDS_STATUS_FINISHED
  63 };
  64
  65 ATL::CStringW LoadStatusString(DownloadStatus StatusParam)
  66 {
  67     ATL::CStringW szString;
  68     szString.LoadStringW(StatusParam);
  69     return szString;
  70 }
  71
  72 struct DownloadInfo
  73 {
  74     DownloadInfo() {}
  75     DownloadInfo(const CAvailableApplicationInfo& AppInfo)
  76         :szUrl(AppInfo.m_szUrlDownload), szName(AppInfo.m_szName), szSHA1(AppInfo.m_szSHA1)
  77     {
  78     }
  79
  80     ATL::CStringW szUrl;
  81     ATL::CStringW szName;
  82     ATL::CStringW szSHA1;
  83 };
  84
  85 struct DownloadParam
  86 {
  87     DownloadParam() : Dialog(NULL), AppInfo(), szCaption(NULL) {}
  88     DownloadParam(HWND dlg, const ATL::CSimpleArray<DownloadInfo> &info, LPCWSTR caption)
  89         : Dialog(dlg), AppInfo(info), szCaption(caption)
  90     {
  91     }
  92
  93     HWND Dialog;
  94     ATL::CSimpleArray<DownloadInfo> AppInfo;
  95     LPCWSTR szCaption;
  96 };
  97
  98
  99 class CDownloaderProgress
 100     : public CWindowImpl<CDownloaderProgress, CWindow, CControlWinTraits>
 101 {
 102     ATL::CStringW m_szProgressText;
 103
 104 public:
 105     CDownloaderProgress()
 106     {
 107     }
 108
 109     VOID SetMarquee(BOOL Enable)
 110     {
 111         if (Enable)
 112             ModifyStyle(0, PBS_MARQUEE, 0);
 113         else
 114             ModifyStyle(PBS_MARQUEE, 0, 0);
 115
 116         SendMessage(PBM_SETMARQUEE, Enable, 0);
 117     }
 118
 119     VOID SetProgress(ULONG ulProgress, ULONG ulProgressMax)
 120     {
 121         WCHAR szProgress[100];
 122
 123         /* format the bits and bytes into pretty and accessible units... */
 124         StrFormatByteSizeW(ulProgress, szProgress, _countof(szProgress));
 125
 126         /* use our subclassed progress bar text subroutine */
 127         ATL::CStringW ProgressText;
 128
 129         if (ulProgressMax)
 130         {
 131             /* total size is known */
 132             WCHAR szProgressMax[100];
 133             UINT uiPercentage = ((ULONGLONG) ulProgress * 100) / ulProgressMax;
 134
 135             /* send the current progress to the progress bar */
 136             SendMessage(PBM_SETPOS, uiPercentage, 0);
 137
 138             /* format total download size */
 139             StrFormatByteSizeW(ulProgressMax, szProgressMax, _countof(szProgressMax));
 140
 141             /* generate the text on progress bar */
 142             ProgressText.Format(L"%u%% \x2014 %ls / %ls",
 143                                 uiPercentage,
 144                                 szProgress,
 145                                 szProgressMax);
 146         }
 147         else
 148         {
 149             /* send the current progress to the progress bar */
 150             SendMessage(PBM_SETPOS, 0, 0);
 151
 152             /* total size is not known, display only current size */
 153             ProgressText.Format(L"%ls...", szProgress);
 154         }
 155
 156         /* and finally display it */
 157         SendMessage(WM_SETTEXT, 0, (LPARAM) ProgressText.GetString());
 158     }
 159
 160     LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 161     {
 162         PAINTSTRUCT  ps;
 163         HDC hDC = BeginPaint(&ps), hdcMem;
 164         HBITMAP hbmMem;
 165         HANDLE hOld;
 166         RECT myRect;
 167         UINT win_width, win_height;
 168
 169         GetClientRect(&myRect);
 170
 171         /* grab the progress bar rect size */
 172         win_width = myRect.right - myRect.left;
 173         win_height = myRect.bottom - myRect.top;
 174
 175         /* create an off-screen DC for double-buffering */
 176         hdcMem = CreateCompatibleDC(hDC);
 177         hbmMem = CreateCompatibleBitmap(hDC, win_width, win_height);
 178
 179         hOld = SelectObject(hdcMem, hbmMem);
 180
 181         /* call the original draw code and redirect it to our memory buffer */
 182         DefWindowProc(uMsg, (WPARAM) hdcMem, lParam);
 183
 184         /* draw our nifty progress text over it */
 185         SelectFont(hdcMem, GetStockFont(DEFAULT_GUI_FONT));
 186         DrawShadowText(hdcMem, m_szProgressText.GetString(), m_szProgressText.GetLength(),
 187                        &myRect,
 188                        DT_CENTER | DT_VCENTER | DT_NOPREFIX | DT_SINGLELINE,
 189                        GetSysColor(COLOR_CAPTIONTEXT),
 190                        GetSysColor(COLOR_3DSHADOW),
 191                        1, 1);
 192
 193         /* transfer the off-screen DC to the screen */
 194         BitBlt(hDC, 0, 0, win_width, win_height, hdcMem, 0, 0, SRCCOPY);
 195
 196         /* free the off-screen DC */
 197         SelectObject(hdcMem, hOld);
 198         DeleteObject(hbmMem);
 199         DeleteDC(hdcMem);
 200
 201         EndPaint(&ps);
 202         return 0;
 203     }
 204
 205     LRESULT OnSetText(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 206     {
 207         if (lParam)
 208         {
 209             m_szProgressText = (PCWSTR) lParam;
 210         }
 211         return 0;
 212     }
 213
 214     BEGIN_MSG_MAP(CDownloaderProgress)
 215         MESSAGE_HANDLER(WM_ERASEBKGND, OnPaint)
 216         MESSAGE_HANDLER(WM_PAINT, OnPaint)
 217         MESSAGE_HANDLER(WM_SETTEXT, OnSetText)
 218     END_MSG_MAP()
 219 };
 220
 221 class CDowloadingAppsListView
 222     : public CListView
 223 {
 224 public:
 225     HWND Create(HWND hwndParent)
 226     {
 227         RECT r = {10, 150, 320, 350};
 228         const DWORD style = WS_CHILD | WS_VISIBLE | LVS_REPORT | LVS_SINGLESEL
 229             | LVS_SHOWSELALWAYS | LVS_NOSORTHEADER | LVS_NOCOLUMNHEADER;
 230
 231         HWND hwnd = CListView::Create(hwndParent, r, NULL, style, WS_EX_CLIENTEDGE);
 232
 233         AddColumn(0, 150, LVCFMT_LEFT);
 234         AddColumn(1, 120, LVCFMT_LEFT);
 235
 236         return hwnd;
 237     }
 238
 239     VOID LoadList(ATL::CSimpleArray<DownloadInfo> arrInfo)
 240     {
 241         for (INT i = 0; i < arrInfo.GetSize(); ++i)
 242         {
 243             AddRow(i, arrInfo[i].szName.GetString(), DLSTATUS_WAITING);
 244         }
 245     }
 246
 247     VOID SetDownloadStatus(INT ItemIndex, DownloadStatus Status)
 248     {
 249         ATL::CStringW szBuffer = LoadStatusString(Status);
 250         SetItemText(ItemIndex, 1, szBuffer.GetString());
 251     }
 252
 253     BOOL AddItem(INT ItemIndex, LPWSTR lpText)
 254     {
 255         LVITEMW Item;
 256
 257         ZeroMemory(&Item, sizeof(Item));
 258
 259         Item.mask = LVIF_TEXT | LVIF_STATE;
 260         Item.pszText = lpText;
 261         Item.iItem = ItemIndex;
 262
 263         return InsertItem(&Item);
 264     }
 265
 266     VOID AddRow(INT RowIndex, LPCWSTR szAppName, const DownloadStatus Status)
 267     {
 268         ATL::CStringW szStatus = LoadStatusString(Status);
 269         AddItem(RowIndex,
 270                 const_cast<LPWSTR>(szAppName));
 271         SetDownloadStatus(RowIndex, Status);
 272     }
 273
 274     BOOL AddColumn(INT Index, INT Width, INT Format)
 275     {
 276         LVCOLUMNW Column;
 277         ZeroMemory(&Column, sizeof(Column));
 278
 279         Column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM;
 280         Column.iSubItem = Index;
 281         Column.cx = Width;
 282         Column.fmt = Format;
 283
 284         return (InsertColumn(Index, &Column) == -1) ? FALSE : TRUE;
 285     }
 286 };
 287
 288 #ifdef USE_CERT_PINNING
 289 typedef CHeapPtr<char, CLocalAllocator> CLocalPtr;
 290
 291 static BOOL CertGetSubjectAndIssuer(HINTERNET hFile, CLocalPtr& subjectInfo, CLocalPtr& issuerInfo)
 292 {
 293     DWORD certInfoLength;
 294     INTERNET_CERTIFICATE_INFOA certInfo;
 295     DWORD size, flags;
 296
 297     size = sizeof(flags);
 298     if (!InternetQueryOptionA(hFile, INTERNET_OPTION_SECURITY_FLAGS, &flags, &size))
 299     {
 300         return FALSE;
 301     }
 302
 303     if (!flags & SECURITY_FLAG_SECURE)
 304     {
 305         return FALSE;
 306     }
 307
 308     /* Despite what the header indicates, the implementation of INTERNET_CERTIFICATE_INFO is not Unicode-aware. */
 309     certInfoLength = sizeof(certInfo);
 310     if (!InternetQueryOptionA(hFile,
 311                               INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT,
 312                               &certInfo,
 313                               &certInfoLength))
 314     {
 315         return FALSE;
 316     }
 317
 318     subjectInfo.Attach(certInfo.lpszSubjectInfo);
 319     issuerInfo.Attach(certInfo.lpszIssuerInfo);
 320
 321     if (certInfo.lpszProtocolName)
 322         LocalFree(certInfo.lpszProtocolName);
 323     if (certInfo.lpszSignatureAlgName)
 324         LocalFree(certInfo.lpszSignatureAlgName);
 325     if (certInfo.lpszEncryptionAlgName)
 326         LocalFree(certInfo.lpszEncryptionAlgName);
 327
 328     return certInfo.lpszSubjectInfo && certInfo.lpszIssuerInfo;
 329 }
 330 #endif
 331
 332 inline VOID MessageBox_LoadString(HWND hMainWnd, INT StringID)
 333 {
 334     ATL::CStringW szMsgText;
 335     if (szMsgText.LoadStringW(StringID))
 336     {
 337         MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 338     }
 339 }
 340
 341 // Download dialog (loaddlg.cpp)
 342 class CDownloadManager
 343 {
 344     static ATL::CSimpleArray<DownloadInfo> AppsToInstallList;
 345     static CDowloadingAppsListView DownloadsListView;
 346     static CDownloaderProgress ProgressBar;
 347     static BOOL bCancelled;
 348     static VOID UpdateProgress(HWND hDlg, ULONG ulProgress, ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText);
 349 public:
 350     static VOID Add(DownloadInfo info);
 351     static VOID Download(const DownloadInfo& DLInfo, BOOL bIsModal = FALSE);
 352     static INT_PTR CALLBACK DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
 353     static DWORD WINAPI ThreadFunc(LPVOID Context);
 354     static BOOL DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo>& AppsList, BOOL bIsModal = FALSE);
 355     static BOOL DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal = FALSE);
 356     static VOID DownloadApplicationsDB(LPCWSTR lpUrl);
 357     static VOID LaunchDownloadDialog(BOOL);
 358 };
 359
 360
 361 // CDownloadManager
 362 ATL::CSimpleArray<DownloadInfo>         CDownloadManager::AppsToInstallList;
 363 CDowloadingAppsListView                 CDownloadManager::DownloadsListView;
 364 CDownloaderProgress                     CDownloadManager::ProgressBar;
 365 BOOL                                    CDownloadManager::bCancelled;
 366
 367 VOID CDownloadManager::Add(DownloadInfo info)
 368 {
 369     AppsToInstallList.Add(info);
 370 }
 371
 372 VOID CDownloadManager::Download(const DownloadInfo &DLInfo, BOOL bIsModal)
 373 {
 374     AppsToInstallList.RemoveAll();
 375     AppsToInstallList.Add(DLInfo);
 376     LaunchDownloadDialog(bIsModal);
 377 }
 378
 379 INT_PTR CALLBACK CDownloadManager::DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 380 {
 381     static WCHAR szCaption[MAX_PATH];
 382
 383     switch (uMsg)
 384     {
 385     case WM_INITDIALOG:
 386     {
 387         HICON hIconSm, hIconBg;
 388         ATL::CStringW szTempCaption;
 389
 390         bCancelled = FALSE;
 391
 392         hIconBg = (HICON) GetClassLongPtrW(hMainWnd, GCLP_HICON);
 393         hIconSm = (HICON) GetClassLongPtrW(hMainWnd, GCLP_HICONSM);
 394
 395         if (hIconBg && hIconSm)
 396         {
 397             SendMessageW(Dlg, WM_SETICON, ICON_BIG, (LPARAM) hIconBg);
 398             SendMessageW(Dlg, WM_SETICON, ICON_SMALL, (LPARAM) hIconSm);
 399         }
 400
 401         SetWindowLongW(Dlg, GWLP_USERDATA, 0);
 402         HWND Item = GetDlgItem(Dlg, IDC_DOWNLOAD_PROGRESS);
 403         if (Item)
 404         {
 405             // initialize the default values for our nifty progress bar
 406             // and subclass it so that it learns to print a status text
 407             ProgressBar.SubclassWindow(Item);
 408             ProgressBar.SendMessage(PBM_SETRANGE, 0, MAKELPARAM(0, 100));
 409             ProgressBar.SendMessage(PBM_SETPOS, 0, 0);
 410         }
 411
 412         // Add a ListView
 413         HWND hListView = DownloadsListView.Create(Dlg);
 414         if (!hListView)
 415         {
 416             return FALSE;
 417         }
 418         DownloadsListView.LoadList(AppsToInstallList);
 419
 420         // Get a dlg string for later use
 421         GetWindowTextW(Dlg, szCaption, _countof(szCaption));
 422
 423         // Hide a placeholder from displaying
 424         szTempCaption = szCaption;
 425         szTempCaption.Replace(L"%ls", L"");
 426         SetWindowText(Dlg, szTempCaption.GetString());
 427
 428         ShowWindow(Dlg, SW_SHOW);
 429
 430         // Start download process
 431         DownloadParam *param = new DownloadParam(Dlg, AppsToInstallList, szCaption);
 432         DWORD ThreadId;
 433         HANDLE Thread = CreateThread(NULL, 0, ThreadFunc, (LPVOID) param, 0, &ThreadId);
 434
 435         if (!Thread)
 436         {
 437             return FALSE;
 438         }
 439
 440         CloseHandle(Thread);
 441         AppsToInstallList.RemoveAll();
 442         return TRUE;
 443     }
 444
 445     case WM_COMMAND:
 446         if (wParam == IDCANCEL)
 447         {
 448             bCancelled = TRUE;
 449             PostMessageW(Dlg, WM_CLOSE, 0, 0);
 450         }
 451         return FALSE;
 452
 453     case WM_CLOSE:
 454         EndDialog(Dlg, 0);
 455         //DestroyWindow(Dlg);
 456         return TRUE;
 457
 458     default:
 459         return FALSE;
 460     }
 461 }
 462
 463 BOOL UrlHasBeenCopied;
 464
 465 VOID CDownloadManager::UpdateProgress(
 466     HWND hDlg,
 467     ULONG ulProgress,
 468     ULONG ulProgressMax,
 469     ULONG ulStatusCode,
 470     LPCWSTR szStatusText)
 471 {
 472     HWND Item;
 473
 474     ProgressBar.SetProgress(ulProgress, ulProgressMax);
 475
 476     Item = GetDlgItem(hDlg, IDC_DOWNLOAD_STATUS);
 477     if (Item && szStatusText && wcslen(szStatusText) > 0 && UrlHasBeenCopied == FALSE)
 478     {
 479         SIZE_T len = wcslen(szStatusText) + 1;
 480         ATL::CStringW buf;
 481         DWORD dummyLen;
 482
 483         /* beautify our url for display purposes */
 484         if (!InternetCanonicalizeUrlW(szStatusText, buf.GetBuffer(len), &dummyLen, ICU_DECODE | ICU_NO_ENCODE))
 485         {
 486             /* just use the original */
 487             buf.ReleaseBuffer();
 488             buf = szStatusText;
 489         }
 490         else
 491         {
 492             buf.ReleaseBuffer();
 493         }
 494
 495         /* paste it into our dialog and don't do it again in this instance */
 496         SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) buf.GetString());
 497         UrlHasBeenCopied = TRUE;
 498     }
 499 }
 500
 501 DWORD WINAPI CDownloadManager::ThreadFunc(LPVOID param)
 502 {
 503     ATL::CStringW Path;
 504     PWSTR p, q;
 505
 506     HWND hDlg = static_cast<DownloadParam*>(param)->Dialog;
 507     HWND Item;
 508     INT iAppId;
 509
 510     ULONG dwContentLen, dwBytesWritten, dwBytesRead, dwStatus;
 511     ULONG dwCurrentBytesRead = 0;
 512     ULONG dwStatusLen = sizeof(dwStatus);
 513
 514     BOOL bTempfile = FALSE;
 515     BOOL bCab = FALSE;
 516
 517     HINTERNET hOpen = NULL;
 518     HINTERNET hFile = NULL;
 519     HANDLE hOut = INVALID_HANDLE_VALUE;
 520
 521     unsigned char lpBuffer[4096];
 522     LPCWSTR lpszAgent = L"RApps/1.0";
 523     URL_COMPONENTS urlComponents;
 524     size_t urlLength, filenameLength;
 525
 526     const ATL::CSimpleArray<DownloadInfo> &InfoArray = static_cast<DownloadParam*>(param)->AppInfo;
 527     LPCWSTR szCaption = static_cast<DownloadParam*>(param)->szCaption;
 528     ATL::CStringW szNewCaption;
 529
 530     const DWORD dwUrlConnectFlags = INTERNET_FLAG_DONT_CACHE | INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_KEEP_CONNECTION;
 531
 532     if (InfoArray.GetSize() <= 0)
 533     {
 534         MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 535         goto end;
 536     }
 537
 538     for (iAppId = 0; iAppId < InfoArray.GetSize(); ++iAppId)
 539     {
 540         // Reset progress bar
 541         Item = GetDlgItem(hDlg, IDC_DOWNLOAD_PROGRESS);
 542         if (Item)
 543         {
 544             ProgressBar.SetMarquee(FALSE);
 545             ProgressBar.SendMessage(WM_SETTEXT, 0, (LPARAM) L"");
 546             ProgressBar.SendMessage(PBM_SETPOS, 0, 0);
 547         }
 548
 549         // is this URL an update package for RAPPS? if so store it in a different place
 550         if (InfoArray[iAppId].szUrl == APPLICATION_DATABASE_URL)
 551         {
 552             bCab = TRUE;
 553             if (!GetStorageDirectory(Path))
 554                 goto end;
 555         }
 556         else
 557         {
 558             bCab = FALSE;
 559             Path = SettingsInfo.szDownloadDir;
 560         }
 561
 562         // Change caption to show the currently downloaded app
 563         if (!bCab)
 564         {
 565             szNewCaption.Format(szCaption, InfoArray[iAppId].szName.GetString());
 566         }
 567         else
 568         {
 569             szNewCaption.LoadStringW(IDS_DL_DIALOG_DB_DOWNLOAD_DISP);
 570         }
 571
 572         SetWindowTextW(hDlg, szNewCaption.GetString());
 573
 574         // build the path for the download
 575         p = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'/');
 576         q = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'?');
 577
 578         // do we have a final slash separator?
 579         if (!p)
 580             goto end;
 581
 582         // prepare the tentative length of the filename, maybe we've to remove part of it later on
 583         filenameLength = wcslen(p) * sizeof(WCHAR);
 584
 585         /* do we have query arguments in the target URL after the filename? account for them
 586         (e.g. https://example.org/myfile.exe?no_adware_plz) */
 587         if (q && q > p && (q - p) > 0)
 588             filenameLength -= wcslen(q - 1) * sizeof(WCHAR);
 589
 590         // is the path valid? can we access it?
 591         if (GetFileAttributesW(Path.GetString()) == INVALID_FILE_ATTRIBUTES)
 592         {
 593             if (!CreateDirectoryW(Path.GetString(), NULL))
 594                 goto end;
 595         }
 596
 597         // append a \ to the provided file system path, and the filename portion from the URL after that
 598         Path += L"\\";
 599         Path += (LPWSTR) (p + 1);
 600
 601         if (!bCab && InfoArray[iAppId].szSHA1[0] && GetFileAttributesW(Path.GetString()) != INVALID_FILE_ATTRIBUTES)
 602         {
 603             // only open it in case of total correctness
 604             if (VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path))
 605                 goto run;
 606         }
 607
 608         // Add the download URL
 609         SetDlgItemTextW(hDlg, IDC_DOWNLOAD_STATUS, InfoArray[iAppId].szUrl.GetString());
 610
 611         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_DOWNLOADING);
 612
 613         // download it
 614         UrlHasBeenCopied = FALSE;
 615         bTempfile = TRUE;
 616
 617         /* FIXME: this should just be using the system-wide proxy settings */
 618         switch (SettingsInfo.Proxy)
 619         {
 620         case 0: // preconfig
 621         default:
 622             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 623             break;
 624         case 1: // direct (no proxy)
 625             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
 626             break;
 627         case 2: // use proxy
 628             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PROXY, SettingsInfo.szProxyServer, SettingsInfo.szNoProxyFor, 0);
 629             break;
 630         }
 631
 632         if (!hOpen)
 633             goto end;
 634
 635         dwStatusLen = sizeof(dwStatus);
 636
 637         memset(&urlComponents, 0, sizeof(urlComponents));
 638         urlComponents.dwStructSize = sizeof(urlComponents);
 639
 640         urlLength = InfoArray[iAppId].szUrl.GetLength();
 641         urlComponents.dwSchemeLength = urlLength + 1;
 642         urlComponents.lpszScheme = (LPWSTR) malloc(urlComponents.dwSchemeLength * sizeof(WCHAR));
 643         urlComponents.dwHostNameLength = urlLength + 1;
 644         urlComponents.lpszHostName = (LPWSTR) malloc(urlComponents.dwHostNameLength * sizeof(WCHAR));
 645
 646         if (!InternetCrackUrlW(InfoArray[iAppId].szUrl, urlLength + 1, ICU_DECODE | ICU_ESCAPE, &urlComponents))
 647             goto end;
 648
 649         dwContentLen = 0;
 650
 651         if (urlComponents.nScheme == INTERNET_SCHEME_HTTP || urlComponents.nScheme == INTERNET_SCHEME_HTTPS)
 652         {
 653             hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0,
 654                                      dwUrlConnectFlags,
 655                                      0);
 656             if (!hFile)
 657             {
 658                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 659                 goto end;
 660             }
 661
 662             // query connection
 663             if (!HttpQueryInfoW(hFile, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwStatus, &dwStatusLen, NULL))
 664                 goto end;
 665
 666             if (dwStatus != HTTP_STATUS_OK)
 667             {
 668                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 669                 goto end;
 670             }
 671
 672             // query content length
 673             HttpQueryInfoW(hFile, HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER, &dwContentLen, &dwStatusLen, NULL);
 674         }
 675
 676         if (urlComponents.nScheme == INTERNET_SCHEME_FTP)
 677         {
 678             // force passive mode on FTP
 679             hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0,
 680                                      dwUrlConnectFlags | INTERNET_FLAG_PASSIVE,
 681                                      0);
 682             if (!hFile)
 683             {
 684                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 685                 goto end;
 686             }
 687
 688             dwContentLen = FtpGetFileSize(hFile, &dwStatus);
 689         }
 690
 691         if (!dwContentLen)
 692         {
 693             // content-length is not known, enable marquee mode
 694             ProgressBar.SetMarquee(TRUE);
 695         }
 696
 697         free(urlComponents.lpszScheme);
 698         free(urlComponents.lpszHostName);
 699
 700 #ifdef USE_CERT_PINNING
 701         // are we using HTTPS to download the RAPPS update package? check if the certificate is original
 702         if ((urlComponents.nScheme == INTERNET_SCHEME_HTTPS) &&
 703             (wcscmp(InfoArray[iAppId].szUrl, APPLICATION_DATABASE_URL) == 0))
 704         {
 705             CLocalPtr subjectName, issuerName;
 706             CStringW szMsgText;
 707             bool bAskQuestion = false;
 708             if (!CertGetSubjectAndIssuer(hFile, subjectName, issuerName))
 709             {
 710                 szMsgText.LoadStringW(IDS_UNABLE_TO_QUERY_CERT);
 711                 bAskQuestion = true;
 712             }
 713             else
 714             {
 715                 if (strcmp(subjectName, CERT_SUBJECT_INFO) ||
 716                     strcmp(issuerName, CERT_ISSUER_INFO))
 717                 {
 718                     szMsgText.Format(IDS_MISMATCH_CERT_INFO, (char*)subjectName, (const char*)issuerName);
 719                     bAskQuestion = true;
 720                 }
 721             }
 722
 723             if (bAskQuestion)
 724             {
 725                 if (MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_YESNO | MB_ICONERROR) != IDYES)
 726                 {
 727                     goto end;
 728                 }
 729             }
 730         }
 731 #endif
 732
 733         hOut = CreateFileW(Path.GetString(), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
 734
 735         if (hOut == INVALID_HANDLE_VALUE)
 736             goto end;
 737
 738         dwCurrentBytesRead = 0;
 739         do
 740         {
 741             if (!InternetReadFile(hFile, lpBuffer, _countof(lpBuffer), &dwBytesRead))
 742             {
 743                 MessageBox_LoadString(hMainWnd, IDS_INTERRUPTED_DOWNLOAD);
 744                 goto end;
 745             }
 746
 747             if (!WriteFile(hOut, &lpBuffer[0], dwBytesRead, &dwBytesWritten, NULL))
 748             {
 749                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_WRITE);
 750                 goto end;
 751             }
 752
 753             dwCurrentBytesRead += dwBytesRead;
 754             UpdateProgress(hDlg, dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 755         } while (dwBytesRead && !bCancelled);
 756
 757         CloseHandle(hOut);
 758         hOut = INVALID_HANDLE_VALUE;
 759
 760         if (bCancelled)
 761             goto end;
 762
 763         if (!dwContentLen)
 764         {
 765             // set progress bar to 100%
 766             ProgressBar.SetMarquee(FALSE);
 767
 768             dwContentLen = dwCurrentBytesRead;
 769             UpdateProgress(hDlg, dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 770         }
 771
 772         /* if this thing isn't a RAPPS update and it has a SHA-1 checksum
 773         verify its integrity by using the native advapi32.A_SHA1 functions */
 774         if (!bCab && InfoArray[iAppId].szSHA1[0] != 0)
 775         {
 776             ATL::CStringW szMsgText;
 777
 778             // change a few strings in the download dialog to reflect the verification process
 779             if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_TITLE))
 780                 goto end;
 781
 782             SetWindowTextW(hDlg, szMsgText.GetString());
 783             SendMessageW(GetDlgItem(hDlg, IDC_DOWNLOAD_STATUS), WM_SETTEXT, 0, (LPARAM) Path.GetString());
 784
 785             // this may take a while, depending on the file size
 786             if (!VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path.GetString()))
 787             {
 788                 if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_FAIL))
 789                     goto end;
 790
 791                 MessageBoxW(hDlg, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 792                 goto end;
 793             }
 794         }
 795
 796 run:
 797         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_WAITING_INSTALL);
 798
 799         // run it
 800         if (!bCab)
 801         {
 802             SHELLEXECUTEINFOW shExInfo = {0};
 803             shExInfo.cbSize = sizeof(shExInfo);
 804             shExInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
 805             shExInfo.lpVerb = L"open";
 806             shExInfo.lpFile = Path.GetString();
 807             shExInfo.lpParameters = L"";
 808             shExInfo.nShow = SW_SHOW;
 809
 810             if (ShellExecuteExW(&shExInfo))
 811             {
 812                 //reflect installation progress in the titlebar
 813                 //TODO: make a separate string with a placeholder to include app name?
 814                 ATL::CStringW szMsgText = LoadStatusString(DLSTATUS_INSTALLING);
 815                 SetWindowTextW(hDlg, szMsgText.GetString());
 816
 817                 DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_INSTALLING);
 818
 819                 //TODO: issue an install operation separately so that the apps could be downloaded in the background
 820                 WaitForSingleObject(shExInfo.hProcess, INFINITE);
 821                 CloseHandle(shExInfo.hProcess);
 822             }
 823             else
 824             {
 825                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_INSTALL);
 826             }
 827         }
 828
 829 end:
 830         if (hOut != INVALID_HANDLE_VALUE)
 831             CloseHandle(hOut);
 832
 833         InternetCloseHandle(hFile);
 834         InternetCloseHandle(hOpen);
 835
 836         if (bTempfile)
 837         {
 838             if (bCancelled || (SettingsInfo.bDelInstaller && !bCab))
 839                 DeleteFileW(Path.GetString());
 840         }
 841
 842         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_FINISHED);
 843     }
 844
 845     delete static_cast<DownloadParam*>(param);
 846     SendMessageW(hDlg, WM_CLOSE, 0, 0);
 847     return 0;
 848 }
 849
 850 //TODO: Reuse the dialog
 851 VOID CDownloadManager::LaunchDownloadDialog(BOOL bIsModal)
 852 {
 853     if (bIsModal)
 854     {
 855         DialogBoxW(hInst,
 856                    MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 857                    hMainWnd,
 858                    DownloadDlgProc);
 859     }
 860     else
 861     {
 862         CreateDialogW(hInst,
 863                       MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 864                       hMainWnd,
 865                       DownloadDlgProc);
 866     }
 867 }
 868 // CDownloadManager
 869
 870
 871 BOOL DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo>& AppsList, BOOL bIsModal)
 872 {
 873     if (AppsList.GetSize() == 0)
 874         return FALSE;
 875
 876     // Initialize shared variables
 877     for (INT i = 0; i < AppsList.GetSize(); ++i)
 878     {
 879         CDownloadManager::Add(AppsList[i]); // implicit conversion to DownloadInfo
 880     }
 881
 882     // Create a dialog and issue a download process
 883     CDownloadManager::LaunchDownloadDialog(bIsModal);
 884
 885     return TRUE;
 886 }
 887
 888 BOOL DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal)
 889 {
 890     if (!pAppInfo)
 891         return FALSE;
 892
 893     CDownloadManager::Download(*pAppInfo, bIsModal);
 894     return TRUE;
 895 }
 896
 897 VOID DownloadApplicationsDB(LPCWSTR lpUrl)
 898 {
 899     static DownloadInfo DatabaseDLInfo;
 900     DatabaseDLInfo.szUrl = lpUrl;
 901     DatabaseDLInfo.szName.LoadStringW(IDS_DL_DIALOG_DB_DISP);
 902     CDownloadManager::Download(DatabaseDLInfo, TRUE);
 903 }
 904