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
  45 #include "rosui.h"
  46 #include "dialogs.h"
  47 #include "misc.h"
  48
  49 #ifdef USE_CERT_PINNING
  50 #define CERT_ISSUER_INFO "BE\r\nGlobalSign nv-sa\r\nGlobalSign Domain Validation CA - SHA256 - G2"
  51 #define CERT_SUBJECT_INFO "Domain Control Validated\r\n*.reactos.org"
  52 #endif
  53
  54 enum DownloadStatus
  55 {
  56     DLSTATUS_WAITING = IDS_STATUS_WAITING,
  57     DLSTATUS_DOWNLOADING = IDS_STATUS_DOWNLOADING,
  58     DLSTATUS_WAITING_INSTALL = IDS_STATUS_DOWNLOADED,
  59     DLSTATUS_INSTALLING = IDS_STATUS_INSTALLING,
  60     DLSTATUS_INSTALLED = IDS_STATUS_INSTALLED,
  61     DLSTATUS_FINISHED = IDS_STATUS_FINISHED
  62 };
  63
  64 ATL::CStringW LoadStatusString(DownloadStatus StatusParam)
  65 {
  66     ATL::CStringW szString;
  67     szString.LoadStringW(StatusParam);
  68     return szString;
  69 }
  70
  71 struct DownloadInfo
  72 {
  73     DownloadInfo() {}
  74     DownloadInfo(const CAvailableApplicationInfo& AppInfo)
  75         :szUrl(AppInfo.m_szUrlDownload), szName(AppInfo.m_szName), szSHA1(AppInfo.m_szSHA1)
  76     {
  77     }
  78
  79     ATL::CStringW szUrl;
  80     ATL::CStringW szName;
  81     ATL::CStringW szSHA1;
  82 };
  83
  84 struct DownloadParam
  85 {
  86     DownloadParam() : Dialog(NULL), AppInfo(), szCaption(NULL) {}
  87     DownloadParam(HWND dlg, const ATL::CSimpleArray<DownloadInfo> &info, LPCWSTR caption)
  88         : Dialog(dlg), AppInfo(info), szCaption(caption)
  89     {
  90     }
  91
  92     HWND Dialog;
  93     ATL::CSimpleArray<DownloadInfo> AppInfo;
  94     LPCWSTR szCaption;
  95 };
  96
  97
  98 class CDownloadDialog :
  99     public CComObjectRootEx<CComMultiThreadModelNoCS>,
 100     public IBindStatusCallback
 101 {
 102     HWND m_hDialog;
 103     PBOOL m_pbCancelled;
 104     BOOL m_UrlHasBeenCopied;
 105
 106 public:
 107     ~CDownloadDialog()
 108     {
 109         //DestroyWindow(m_hDialog);
 110     }
 111
 112     HRESULT Initialize(HWND Dlg, BOOL *pbCancelled)
 113     {
 114         m_hDialog = Dlg;
 115         m_pbCancelled = pbCancelled;
 116         m_UrlHasBeenCopied = FALSE;
 117         return S_OK;
 118     }
 119
 120     virtual HRESULT STDMETHODCALLTYPE OnStartBinding(
 121         DWORD dwReserved,
 122         IBinding *pib)
 123     {
 124         return S_OK;
 125     }
 126
 127     virtual HRESULT STDMETHODCALLTYPE GetPriority(
 128         LONG *pnPriority)
 129     {
 130         return S_OK;
 131     }
 132
 133     virtual HRESULT STDMETHODCALLTYPE OnLowResource(
 134         DWORD reserved)
 135     {
 136         return S_OK;
 137     }
 138
 139     virtual HRESULT STDMETHODCALLTYPE OnProgress(
 140         ULONG ulProgress,
 141         ULONG ulProgressMax,
 142         ULONG ulStatusCode,
 143         LPCWSTR szStatusText)
 144     {
 145         HWND Item;
 146         LONG r;
 147
 148         Item = GetDlgItem(m_hDialog, IDC_DOWNLOAD_PROGRESS);
 149         if (Item && ulProgressMax)
 150         {
 151             WCHAR szProgress[100];
 152             WCHAR szProgressMax[100];
 153             UINT uiPercentage = ((ULONGLONG) ulProgress * 100) / ulProgressMax;
 154
 155             /* send the current progress to the progress bar */
 156             SendMessageW(Item, PBM_SETPOS, uiPercentage, 0);
 157
 158             /* format the bits and bytes into pretty and accessible units... */
 159             StrFormatByteSizeW(ulProgress, szProgress, _countof(szProgress));
 160             StrFormatByteSizeW(ulProgressMax, szProgressMax, _countof(szProgressMax));
 161
 162             /* ...and post all of it to our subclassed progress bar text subroutine */
 163             ATL::CStringW m_ProgressText;
 164             m_ProgressText.Format(L"%u%% \x2014 %ls / %ls",
 165                                   uiPercentage,
 166                                   szProgress,
 167                                   szProgressMax);
 168             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) m_ProgressText.GetString());
 169         }
 170
 171         Item = GetDlgItem(m_hDialog, IDC_DOWNLOAD_STATUS);
 172         if (Item && szStatusText && wcslen(szStatusText) > 0 && m_UrlHasBeenCopied == FALSE)
 173         {
 174             DWORD len = wcslen(szStatusText) + 1;
 175             ATL::CStringW buf;
 176
 177             /* beautify our url for display purposes */
 178             if (!InternetCanonicalizeUrlW(szStatusText, buf.GetBuffer(len), &len, ICU_DECODE | ICU_NO_ENCODE))
 179             {
 180                 /* just use the original */
 181                 buf.ReleaseBuffer();
 182                 buf = szStatusText;
 183             }
 184             else
 185             {
 186                 buf.ReleaseBuffer();
 187             }
 188
 189             /* paste it into our dialog and don't do it again in this instance */
 190             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) buf.GetString());
 191             m_UrlHasBeenCopied = TRUE;
 192         }
 193
 194         SetLastError(ERROR_SUCCESS);
 195         r = GetWindowLongPtrW(m_hDialog, GWLP_USERDATA);
 196         if (r || GetLastError() != ERROR_SUCCESS)
 197         {
 198             *m_pbCancelled = TRUE;
 199             return E_ABORT;
 200         }
 201
 202         return S_OK;
 203     }
 204
 205     virtual HRESULT STDMETHODCALLTYPE OnStopBinding(
 206         HRESULT hresult,
 207         LPCWSTR szError)
 208     {
 209         return S_OK;
 210     }
 211
 212     virtual HRESULT STDMETHODCALLTYPE GetBindInfo(
 213         DWORD *grfBINDF,
 214         BINDINFO *pbindinfo)
 215     {
 216         return S_OK;
 217     }
 218
 219     virtual HRESULT STDMETHODCALLTYPE OnDataAvailable(
 220         DWORD grfBSCF,
 221         DWORD dwSize,
 222         FORMATETC *pformatetc,
 223         STGMEDIUM *pstgmed)
 224     {
 225         return S_OK;
 226     }
 227
 228     virtual HRESULT STDMETHODCALLTYPE OnObjectAvailable(
 229         REFIID riid,
 230         IUnknown *punk)
 231     {
 232         return S_OK;
 233     }
 234
 235     BEGIN_COM_MAP(CDownloadDialog)
 236         COM_INTERFACE_ENTRY_IID(IID_IBindStatusCallback, IBindStatusCallback)
 237     END_COM_MAP()
 238 };
 239
 240 class CDowloadingAppsListView
 241     : public CUiWindow<CListView>
 242 {
 243 public:
 244     HWND Create(HWND hwndParent)
 245     {
 246         RECT r = {10, 150, 320, 350};
 247         const DWORD style = WS_CHILD | WS_VISIBLE | LVS_REPORT | LVS_SINGLESEL
 248             | LVS_SHOWSELALWAYS | LVS_NOSORTHEADER | LVS_NOCOLUMNHEADER;
 249
 250         HWND hwnd = CListView::Create(hwndParent, r, NULL, style, WS_EX_CLIENTEDGE);
 251
 252         AddColumn(0, 150, LVCFMT_LEFT);
 253         AddColumn(1, 120, LVCFMT_LEFT);
 254
 255         return hwnd;
 256     }
 257
 258     VOID LoadList(ATL::CSimpleArray<DownloadInfo> arrInfo)
 259     {
 260         for (INT i = 0; i < arrInfo.GetSize(); ++i)
 261         {
 262             AddRow(i, arrInfo[i].szName.GetString(), DLSTATUS_WAITING);
 263         }
 264     }
 265
 266     VOID SetDownloadStatus(INT ItemIndex, DownloadStatus Status)
 267     {
 268         HWND hListView = GetWindow();
 269         ATL::CStringW szBuffer = LoadStatusString(Status);
 270         ListView_SetItemText(hListView, ItemIndex, 1, const_cast<LPWSTR>(szBuffer.GetString()));
 271     }
 272
 273     BOOL AddItem(INT ItemIndex, LPWSTR lpText)
 274     {
 275         LVITEMW Item;
 276
 277         ZeroMemory(&Item, sizeof(Item));
 278
 279         Item.mask = LVIF_TEXT | LVIF_STATE;
 280         Item.pszText = lpText;
 281         Item.iItem = ItemIndex;
 282
 283         return InsertItem(&Item);
 284     }
 285
 286     VOID AddRow(INT RowIndex, LPCWSTR szAppName, const DownloadStatus Status)
 287     {
 288         ATL::CStringW szStatus = LoadStatusString(Status);
 289         AddItem(RowIndex,
 290                 const_cast<LPWSTR>(szAppName));
 291         SetDownloadStatus(RowIndex, Status);
 292     }
 293
 294     BOOL AddColumn(INT Index, INT Width, INT Format)
 295     {
 296         LVCOLUMNW Column;
 297         ZeroMemory(&Column, sizeof(Column));
 298
 299         Column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM;
 300         Column.iSubItem = Index;
 301         Column.cx = Width;
 302         Column.fmt = Format;
 303
 304         return (InsertColumn(Index, &Column) == -1) ? FALSE : TRUE;
 305     }
 306 };
 307
 308 extern "C"
 309 HRESULT WINAPI CDownloadDialog_Constructor(HWND Dlg, BOOL *pbCancelled, REFIID riid, LPVOID *ppv)
 310 {
 311     return ShellObjectCreatorInit<CDownloadDialog>(Dlg, pbCancelled, riid, ppv);
 312 }
 313
 314 #ifdef USE_CERT_PINNING
 315 static BOOL CertIsValid(HINTERNET hInternet, LPWSTR lpszHostName)
 316 {
 317     HINTERNET hConnect;
 318     HINTERNET hRequest;
 319     DWORD certInfoLength;
 320     BOOL Ret = FALSE;
 321     INTERNET_CERTIFICATE_INFOW certInfo;
 322
 323     hConnect = InternetConnectW(hInternet, lpszHostName, INTERNET_DEFAULT_HTTPS_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, INTERNET_FLAG_SECURE, 0);
 324     if (hConnect)
 325     {
 326         hRequest = HttpOpenRequestW(hConnect, L"HEAD", NULL, NULL, NULL, NULL, INTERNET_FLAG_SECURE, 0);
 327         if (hRequest != NULL)
 328         {
 329             Ret = HttpSendRequestW(hRequest, L"", 0, NULL, 0);
 330             if (Ret)
 331             {
 332                 certInfoLength = sizeof(certInfo);
 333                 Ret = InternetQueryOptionW(hRequest,
 334                                            INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT,
 335                                            &certInfo,
 336                                            &certInfoLength);
 337                 if (Ret)
 338                 {
 339                     if (certInfo.lpszEncryptionAlgName)
 340                         LocalFree(certInfo.lpszEncryptionAlgName);
 341                     if (certInfo.lpszIssuerInfo)
 342                     {
 343                         if (strcmp((LPSTR) certInfo.lpszIssuerInfo, CERT_ISSUER_INFO) != 0)
 344                             Ret = FALSE;
 345                         LocalFree(certInfo.lpszIssuerInfo);
 346                     }
 347                     if (certInfo.lpszProtocolName)
 348                         LocalFree(certInfo.lpszProtocolName);
 349                     if (certInfo.lpszSignatureAlgName)
 350                         LocalFree(certInfo.lpszSignatureAlgName);
 351                     if (certInfo.lpszSubjectInfo)
 352                     {
 353                         if (strcmp((LPSTR) certInfo.lpszSubjectInfo, CERT_SUBJECT_INFO) != 0)
 354                             Ret = FALSE;
 355                         LocalFree(certInfo.lpszSubjectInfo);
 356                     }
 357                 }
 358             }
 359             InternetCloseHandle(hRequest);
 360         }
 361         InternetCloseHandle(hConnect);
 362     }
 363     return Ret;
 364 }
 365 #endif
 366
 367 inline VOID MessageBox_LoadString(HWND hMainWnd, INT StringID)
 368 {
 369     ATL::CString szMsgText;
 370     if (szMsgText.LoadStringW(StringID))
 371     {
 372         MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 373     }
 374 }
 375
 376 // CDownloadManager
 377 ATL::CSimpleArray<DownloadInfo>         CDownloadManager::AppsToInstallList;
 378 CDowloadingAppsListView                 CDownloadManager::DownloadsListView;
 379
 380 VOID CDownloadManager::Download(const DownloadInfo &DLInfo, BOOL bIsModal)
 381 {
 382     AppsToInstallList.RemoveAll();
 383     AppsToInstallList.Add(DLInfo);
 384     LaunchDownloadDialog(bIsModal);
 385 }
 386
 387 INT_PTR CALLBACK CDownloadManager::DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 388 {
 389     static WCHAR szCaption[MAX_PATH];
 390
 391     switch (uMsg)
 392     {
 393     case WM_INITDIALOG:
 394     {
 395         HICON hIconSm, hIconBg;
 396
 397         hIconBg = (HICON) GetClassLongW(hMainWnd, GCLP_HICON);
 398         hIconSm = (HICON) GetClassLongW(hMainWnd, GCLP_HICONSM);
 399
 400         if (hIconBg && hIconSm)
 401         {
 402             SendMessageW(Dlg, WM_SETICON, ICON_BIG, (LPARAM) hIconBg);
 403             SendMessageW(Dlg, WM_SETICON, ICON_SMALL, (LPARAM) hIconSm);
 404         }
 405
 406         SetWindowLongW(Dlg, GWLP_USERDATA, 0);
 407         HWND Item = GetDlgItem(Dlg, IDC_DOWNLOAD_PROGRESS);
 408         if (Item)
 409         {
 410             // initialize the default values for our nifty progress bar
 411             // and subclass it so that it learns to print a status text
 412             SendMessageW(Item, PBM_SETRANGE, 0, MAKELPARAM(0, 100));
 413             SendMessageW(Item, PBM_SETPOS, 0, 0);
 414
 415             SetWindowSubclass(Item, DownloadProgressProc, 0, 0);
 416         }
 417
 418         // Add a ListView
 419         HWND hListView = DownloadsListView.Create(Dlg);
 420         if (!hListView)
 421         {
 422             return FALSE;
 423         }
 424         DownloadsListView.LoadList(AppsToInstallList);
 425
 426         ShowWindow(Dlg, SW_SHOW);
 427
 428         // Get a dlg string for later use
 429         GetWindowTextW(Dlg, szCaption, MAX_PATH);
 430
 431         // Start download process
 432         DownloadParam *param = new DownloadParam(Dlg, AppsToInstallList, szCaption);
 433         DWORD ThreadId;
 434         HANDLE Thread = CreateThread(NULL, 0, ThreadFunc, (LPVOID) param, 0, &ThreadId);
 435
 436         if (!Thread)
 437         {
 438             return FALSE;
 439         }
 440
 441         CloseHandle(Thread);
 442         AppsToInstallList.RemoveAll();
 443         return TRUE;
 444     }
 445
 446     case WM_COMMAND:
 447         if (wParam == IDCANCEL)
 448         {
 449             SetWindowLongW(Dlg, GWLP_USERDATA, 1);
 450             PostMessageW(Dlg, WM_CLOSE, 0, 0);
 451         }
 452         return FALSE;
 453
 454     case WM_CLOSE:
 455         EndDialog(Dlg, 0);
 456         //DestroyWindow(Dlg);
 457         return TRUE;
 458
 459     default:
 460         return FALSE;
 461     }
 462 }
 463
 464 LRESULT CALLBACK CDownloadManager::DownloadProgressProc(HWND hWnd,
 465                                                         UINT uMsg,
 466                                                         WPARAM wParam,
 467                                                         LPARAM lParam,
 468                                                         UINT_PTR uIdSubclass,
 469                                                         DWORD_PTR dwRefData)
 470 {
 471     static ATL::CStringW szProgressText;
 472
 473     switch (uMsg)
 474     {
 475     case WM_SETTEXT:
 476     {
 477         if (lParam)
 478         {
 479             szProgressText = (PCWSTR) lParam;
 480         }
 481         return TRUE;
 482     }
 483
 484     case WM_ERASEBKGND:
 485     case WM_PAINT:
 486     {
 487         PAINTSTRUCT  ps;
 488         HDC hDC = BeginPaint(hWnd, &ps), hdcMem;
 489         HBITMAP hbmMem;
 490         HANDLE hOld;
 491         RECT myRect;
 492         UINT win_width, win_height;
 493
 494         GetClientRect(hWnd, &myRect);
 495
 496         /* grab the progress bar rect size */
 497         win_width = myRect.right - myRect.left;
 498         win_height = myRect.bottom - myRect.top;
 499
 500         /* create an off-screen DC for double-buffering */
 501         hdcMem = CreateCompatibleDC(hDC);
 502         hbmMem = CreateCompatibleBitmap(hDC, win_width, win_height);
 503
 504         hOld = SelectObject(hdcMem, hbmMem);
 505
 506         /* call the original draw code and redirect it to our memory buffer */
 507         DefSubclassProc(hWnd, uMsg, (WPARAM) hdcMem, lParam);
 508
 509         /* draw our nifty progress text over it */
 510         SelectFont(hdcMem, GetStockFont(DEFAULT_GUI_FONT));
 511         DrawShadowText(hdcMem, szProgressText.GetString(), szProgressText.GetLength(),
 512                        &myRect,
 513                        DT_CENTER | DT_VCENTER | DT_NOPREFIX | DT_SINGLELINE,
 514                        GetSysColor(COLOR_CAPTIONTEXT),
 515                        GetSysColor(COLOR_3DSHADOW),
 516                        1, 1);
 517
 518         /* transfer the off-screen DC to the screen */
 519         BitBlt(hDC, 0, 0, win_width, win_height, hdcMem, 0, 0, SRCCOPY);
 520
 521         /* free the off-screen DC */
 522         SelectObject(hdcMem, hOld);
 523         DeleteObject(hbmMem);
 524         DeleteDC(hdcMem);
 525
 526         EndPaint(hWnd, &ps);
 527         return 0;
 528     }
 529
 530     /* Raymond Chen says that we should safely unsubclass all the things!
 531     (http://blogs.msdn.com/b/oldnewthing/archive/2003/11/11/55653.aspx) */
 532
 533     case WM_NCDESTROY:
 534     {
 535         szProgressText.Empty();
 536         RemoveWindowSubclass(hWnd, DownloadProgressProc, uIdSubclass);
 537     }
 538     /* Fall-through */
 539     default:
 540         return DefSubclassProc(hWnd, uMsg, wParam, lParam);
 541     }
 542 }
 543
 544 DWORD WINAPI CDownloadManager::ThreadFunc(LPVOID param)
 545 {
 546     CComPtr<IBindStatusCallback> dl;
 547     ATL::CStringW Path;
 548     PWSTR p, q;
 549
 550     HWND hDlg = static_cast<DownloadParam*>(param)->Dialog;
 551     HWND Item;
 552     INT iAppId;
 553
 554     ULONG dwContentLen, dwBytesWritten, dwBytesRead, dwStatus;
 555     ULONG dwCurrentBytesRead = 0;
 556     ULONG dwStatusLen = sizeof(dwStatus);
 557
 558     BOOL bCancelled = FALSE;
 559     BOOL bTempfile = FALSE;
 560     BOOL bCab = FALSE;
 561
 562     HINTERNET hOpen = NULL;
 563     HINTERNET hFile = NULL;
 564     HANDLE hOut = INVALID_HANDLE_VALUE;
 565
 566     unsigned char lpBuffer[4096];
 567     LPCWSTR lpszAgent = L"RApps/1.0";
 568     URL_COMPONENTS urlComponents;
 569     size_t urlLength, filenameLength;
 570
 571     const ATL::CSimpleArray<DownloadInfo> &InfoArray = static_cast<DownloadParam*>(param)->AppInfo;
 572     LPCWSTR szCaption = static_cast<DownloadParam*>(param)->szCaption;
 573     ATL::CStringW szNewCaption;
 574
 575     if (InfoArray.GetSize() <= 0)
 576     {
 577         MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 578         goto end;
 579     }
 580
 581     for (iAppId = 0; iAppId < InfoArray.GetSize(); ++iAppId)
 582     {
 583         // build the path for the download
 584         p = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'/');
 585         q = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'?');
 586
 587         // do we have a final slash separator?
 588         if (!p)
 589             goto end;
 590
 591         // prepare the tentative length of the filename, maybe we've to remove part of it later on
 592         filenameLength = wcslen(p) * sizeof(WCHAR);
 593
 594         /* do we have query arguments in the target URL after the filename? account for them
 595         (e.g. https://example.org/myfile.exe?no_adware_plz) */
 596         if (q && q > p && (q - p) > 0)
 597             filenameLength -= wcslen(q - 1) * sizeof(WCHAR);
 598
 599         // is this URL an update package for RAPPS? if so store it in a different place
 600         if (InfoArray[iAppId].szUrl == APPLICATION_DATABASE_URL)
 601         {
 602             bCab = TRUE;
 603             if (!GetStorageDirectory(Path))
 604                 goto end;
 605         }
 606         else
 607         {
 608             Path = SettingsInfo.szDownloadDir;
 609         }
 610
 611         // is the path valid? can we access it?
 612         if (GetFileAttributesW(Path.GetString()) == INVALID_FILE_ATTRIBUTES)
 613         {
 614             if (!CreateDirectoryW(Path.GetString(), NULL))
 615                 goto end;
 616         }
 617
 618         // append a \ to the provided file system path, and the filename portion from the URL after that
 619         Path += L"\\";
 620         Path += (LPWSTR) (p + 1);
 621
 622         if (!bCab && InfoArray[iAppId].szSHA1[0] && GetFileAttributesW(Path.GetString()) != INVALID_FILE_ATTRIBUTES)
 623         {
 624             // only open it in case of total correctness
 625             if (VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path))
 626                 goto run;
 627         }
 628
 629         // Reset progress bar
 630         Item = GetDlgItem(hDlg, IDC_DOWNLOAD_PROGRESS);
 631         if (Item)
 632         {
 633             SendMessageW(Item, PBM_SETPOS, 0, 0);
 634         }
 635
 636         // Change caption to show the currently downloaded app
 637         if (!bCab)
 638         {
 639             szNewCaption.Format(szCaption, InfoArray[iAppId].szName.GetString());
 640         }
 641         else
 642         {
 643             szNewCaption.LoadStringW(IDS_DL_DIALOG_DB_DOWNLOAD_DISP);
 644         }
 645
 646         SetWindowTextW(hDlg, szNewCaption.GetString());
 647
 648         // Add the download URL
 649         SetDlgItemTextW(hDlg, IDC_DOWNLOAD_STATUS, InfoArray[iAppId].szUrl.GetString());
 650
 651         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_DOWNLOADING);
 652
 653         // download it
 654         bTempfile = TRUE;
 655         CDownloadDialog_Constructor(hDlg, &bCancelled, IID_PPV_ARG(IBindStatusCallback, &dl));
 656
 657         if (dl == NULL)
 658             goto end;
 659
 660         /* FIXME: this should just be using the system-wide proxy settings */
 661         switch (SettingsInfo.Proxy)
 662         {
 663         case 0: // preconfig
 664             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 665             break;
 666         case 1: // direct (no proxy)
 667             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
 668             break;
 669         case 2: // use proxy
 670             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PROXY, SettingsInfo.szProxyServer, SettingsInfo.szNoProxyFor, 0);
 671             break;
 672         default: // preconfig
 673             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 674             break;
 675         }
 676
 677         if (!hOpen)
 678             goto end;
 679
 680         hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0, INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_KEEP_CONNECTION, 0);
 681
 682         if (!hFile)
 683         {
 684             MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 685             goto end;
 686         }
 687
 688         if (!HttpQueryInfoW(hFile, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwStatus, &dwStatusLen, NULL))
 689             goto end;
 690
 691         if (dwStatus != HTTP_STATUS_OK)
 692         {
 693             MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 694             goto end;
 695         }
 696
 697         dwStatusLen = sizeof(dwStatus);
 698
 699         memset(&urlComponents, 0, sizeof(urlComponents));
 700         urlComponents.dwStructSize = sizeof(urlComponents);
 701
 702         urlLength = InfoArray[iAppId].szUrl.GetLength();
 703         urlComponents.dwSchemeLength = urlLength + 1;
 704         urlComponents.lpszScheme = (LPWSTR) malloc(urlComponents.dwSchemeLength * sizeof(WCHAR));
 705         urlComponents.dwHostNameLength = urlLength + 1;
 706         urlComponents.lpszHostName = (LPWSTR) malloc(urlComponents.dwHostNameLength * sizeof(WCHAR));
 707
 708         if (!InternetCrackUrlW(InfoArray[iAppId].szUrl, urlLength + 1, ICU_DECODE | ICU_ESCAPE, &urlComponents))
 709             goto end;
 710
 711         if (urlComponents.nScheme == INTERNET_SCHEME_HTTP || urlComponents.nScheme == INTERNET_SCHEME_HTTPS)
 712             HttpQueryInfoW(hFile, HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER, &dwContentLen, &dwStatus, 0);
 713
 714         if (urlComponents.nScheme == INTERNET_SCHEME_FTP)
 715             dwContentLen = FtpGetFileSize(hFile, &dwStatus);
 716
 717 #ifdef USE_CERT_PINNING
 718         // are we using HTTPS to download the RAPPS update package? check if the certificate is original
 719         if ((urlComponents.nScheme == INTERNET_SCHEME_HTTPS) &&
 720             (wcscmp(InfoArray[iAppId].szUrl, APPLICATION_DATABASE_URL) == 0) &&
 721             (!CertIsValid(hOpen, urlComponents.lpszHostName)))
 722         {
 723             MessageBox_LoadString(hMainWnd, IDS_CERT_DOES_NOT_MATCH);
 724             goto end;
 725         }
 726 #endif
 727
 728         free(urlComponents.lpszScheme);
 729         free(urlComponents.lpszHostName);
 730
 731         hOut = CreateFileW(Path.GetString(), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
 732
 733         if (hOut == INVALID_HANDLE_VALUE)
 734             goto end;
 735
 736         dwCurrentBytesRead = 0;
 737         do
 738         {
 739             if (!InternetReadFile(hFile, lpBuffer, _countof(lpBuffer), &dwBytesRead))
 740             {
 741                 MessageBox_LoadString(hMainWnd, IDS_INTERRUPTED_DOWNLOAD);
 742                 goto end;
 743             }
 744
 745             if (!WriteFile(hOut, &lpBuffer[0], dwBytesRead, &dwBytesWritten, NULL))
 746             {
 747                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_WRITE);
 748                 goto end;
 749             }
 750
 751             dwCurrentBytesRead += dwBytesRead;
 752             dl->OnProgress(dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 753         } while (dwBytesRead && !bCancelled);
 754
 755         CloseHandle(hOut);
 756         hOut = INVALID_HANDLE_VALUE;
 757
 758         if (bCancelled)
 759             goto end;
 760
 761         /* if this thing isn't a RAPPS update and it has a SHA-1 checksum
 762         verify its integrity by using the native advapi32.A_SHA1 functions */
 763         if (!bCab && InfoArray[iAppId].szSHA1[0] != 0)
 764         {
 765             ATL::CStringW szMsgText;
 766
 767             // change a few strings in the download dialog to reflect the verification process
 768             if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_TITLE))
 769                 goto end;
 770
 771             SetWindowTextW(hDlg, szMsgText.GetString());
 772             SendMessageW(GetDlgItem(hDlg, IDC_DOWNLOAD_STATUS), WM_SETTEXT, 0, (LPARAM) Path.GetString());
 773
 774             // this may take a while, depending on the file size
 775             if (!VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path.GetString()))
 776             {
 777                 if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_FAIL))
 778                     goto end;
 779
 780                 MessageBoxW(hDlg, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 781                 goto end;
 782             }
 783         }
 784
 785 run:
 786         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_WAITING_INSTALL);
 787
 788         // run it
 789         if (!bCab)
 790         {
 791             SHELLEXECUTEINFOW shExInfo = {0};
 792             shExInfo.cbSize = sizeof(shExInfo);
 793             shExInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
 794             shExInfo.lpVerb = L"open";
 795             shExInfo.lpFile = Path.GetString();
 796             shExInfo.lpParameters = L"";
 797             shExInfo.nShow = SW_SHOW;
 798
 799             if (ShellExecuteExW(&shExInfo))
 800             {
 801                 DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_INSTALLING);
 802                 //TODO: issue an install operation separately so that the apps could be downloaded in the background
 803                 WaitForSingleObject(shExInfo.hProcess, INFINITE);
 804                 CloseHandle(shExInfo.hProcess);
 805             }
 806             else
 807             {
 808                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_INSTALL);
 809             }
 810         }
 811
 812 end:
 813         if (hOut != INVALID_HANDLE_VALUE)
 814             CloseHandle(hOut);
 815
 816         InternetCloseHandle(hFile);
 817         InternetCloseHandle(hOpen);
 818
 819         if (bTempfile)
 820         {
 821             if (bCancelled || (SettingsInfo.bDelInstaller && !bCab))
 822                 DeleteFileW(Path.GetString());
 823         }
 824
 825         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_FINISHED);
 826     }
 827
 828     delete static_cast<DownloadParam*>(param);
 829     SendMessageW(hDlg, WM_CLOSE, 0, 0);
 830     return 0;
 831 }
 832
 833 BOOL CDownloadManager::DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo*>& AppsList, BOOL bIsModal)
 834 {
 835     if (AppsList.GetSize() == 0)
 836     {
 837         return FALSE;
 838     }
 839
 840     // Initialize shared variables
 841     for (INT i = 0; i < AppsList.GetSize(); ++i)
 842     {
 843         if (AppsList[i])
 844         {
 845             AppsToInstallList.Add(*(AppsList[i]));
 846         }
 847     }
 848
 849     // Create a dialog and issue a download process
 850     LaunchDownloadDialog(bIsModal);
 851
 852     return TRUE;
 853 }
 854
 855 BOOL CDownloadManager::DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal)
 856 {
 857     if (!pAppInfo)
 858         return FALSE;
 859
 860     Download(*pAppInfo, bIsModal);
 861     return TRUE;
 862 }
 863
 864 VOID CDownloadManager::DownloadApplicationsDB(LPCWSTR lpUrl)
 865 {
 866     static DownloadInfo DatabaseDLInfo;
 867     DatabaseDLInfo.szUrl = lpUrl;
 868     DatabaseDLInfo.szName.LoadStringW(IDS_DL_DIALOG_DB_DISP);
 869     Download(DatabaseDLInfo, TRUE);
 870 }
 871
 872 //TODO: Reuse the dialog
 873 VOID CDownloadManager::LaunchDownloadDialog(BOOL bIsModal)
 874 {
 875     if (bIsModal)
 876     {
 877         DialogBoxW(hInst,
 878                    MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 879                    hMainWnd,
 880                    DownloadDlgProc);
 881     }
 882     else
 883     {
 884         CreateDialogW(hInst,
 885                       MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 886                       hMainWnd,
 887                       DownloadDlgProc);
 888     }
 889 }
 890 // CDownloadManager