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 "US\r\nLet's Encrypt\r\nLet's Encrypt Authority X3"
  51 #define CERT_SUBJECT_INFO "svn.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)
 150         {
 151             WCHAR szProgress[100];
 152
 153             /* format the bits and bytes into pretty and accessible units... */
 154             StrFormatByteSizeW(ulProgress, szProgress, _countof(szProgress));
 155
 156             /* use our subclassed progress bar text subroutine */
 157             ATL::CStringW m_ProgressText;
 158
 159             if (ulProgressMax)
 160             {
 161                 /* total size is known */
 162                 WCHAR szProgressMax[100];
 163                 UINT uiPercentage = ((ULONGLONG) ulProgress * 100) / ulProgressMax;
 164
 165                 /* send the current progress to the progress bar */
 166                 SendMessageW(Item, PBM_SETPOS, uiPercentage, 0);
 167
 168                 /* format total download size */
 169                 StrFormatByteSizeW(ulProgressMax, szProgressMax, _countof(szProgressMax));
 170
 171                 /* generate the text on progress bar */
 172                 m_ProgressText.Format(L"%u%% \x2014 %ls / %ls",
 173                                       uiPercentage,
 174                                       szProgress,
 175                                       szProgressMax);
 176             }
 177             else
 178             {
 179                 /* send the current progress to the progress bar */
 180                 SendMessageW(Item, PBM_SETPOS, 0, 0);
 181
 182                 /* total size is not known, display only current size */
 183                 m_ProgressText.Format(L"%ls...",
 184                                       szProgress);
 185             }
 186             /* and finally display it */
 187             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) m_ProgressText.GetString());
 188         }
 189
 190         Item = GetDlgItem(m_hDialog, IDC_DOWNLOAD_STATUS);
 191         if (Item && szStatusText && wcslen(szStatusText) > 0 && m_UrlHasBeenCopied == FALSE)
 192         {
 193             DWORD len = wcslen(szStatusText) + 1;
 194             ATL::CStringW buf;
 195
 196             /* beautify our url for display purposes */
 197             if (!InternetCanonicalizeUrlW(szStatusText, buf.GetBuffer(len), &len, ICU_DECODE | ICU_NO_ENCODE))
 198             {
 199                 /* just use the original */
 200                 buf.ReleaseBuffer();
 201                 buf = szStatusText;
 202             }
 203             else
 204             {
 205                 buf.ReleaseBuffer();
 206             }
 207
 208             /* paste it into our dialog and don't do it again in this instance */
 209             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) buf.GetString());
 210             m_UrlHasBeenCopied = TRUE;
 211         }
 212
 213         SetLastError(ERROR_SUCCESS);
 214         r = GetWindowLongPtrW(m_hDialog, GWLP_USERDATA);
 215         if (r || GetLastError() != ERROR_SUCCESS)
 216         {
 217             *m_pbCancelled = TRUE;
 218             return E_ABORT;
 219         }
 220
 221         return S_OK;
 222     }
 223
 224     virtual HRESULT STDMETHODCALLTYPE OnStopBinding(
 225         HRESULT hresult,
 226         LPCWSTR szError)
 227     {
 228         return S_OK;
 229     }
 230
 231     virtual HRESULT STDMETHODCALLTYPE GetBindInfo(
 232         DWORD *grfBINDF,
 233         BINDINFO *pbindinfo)
 234     {
 235         return S_OK;
 236     }
 237
 238     virtual HRESULT STDMETHODCALLTYPE OnDataAvailable(
 239         DWORD grfBSCF,
 240         DWORD dwSize,
 241         FORMATETC *pformatetc,
 242         STGMEDIUM *pstgmed)
 243     {
 244         return S_OK;
 245     }
 246
 247     virtual HRESULT STDMETHODCALLTYPE OnObjectAvailable(
 248         REFIID riid,
 249         IUnknown *punk)
 250     {
 251         return S_OK;
 252     }
 253
 254     BEGIN_COM_MAP(CDownloadDialog)
 255         COM_INTERFACE_ENTRY_IID(IID_IBindStatusCallback, IBindStatusCallback)
 256     END_COM_MAP()
 257 };
 258
 259 class CDowloadingAppsListView
 260     : public CUiWindow<CListView>
 261 {
 262 public:
 263     HWND Create(HWND hwndParent)
 264     {
 265         RECT r = {10, 150, 320, 350};
 266         const DWORD style = WS_CHILD | WS_VISIBLE | LVS_REPORT | LVS_SINGLESEL
 267             | LVS_SHOWSELALWAYS | LVS_NOSORTHEADER | LVS_NOCOLUMNHEADER;
 268
 269         HWND hwnd = CListView::Create(hwndParent, r, NULL, style, WS_EX_CLIENTEDGE);
 270
 271         AddColumn(0, 150, LVCFMT_LEFT);
 272         AddColumn(1, 120, LVCFMT_LEFT);
 273
 274         return hwnd;
 275     }
 276
 277     VOID LoadList(ATL::CSimpleArray<DownloadInfo> arrInfo)
 278     {
 279         for (INT i = 0; i < arrInfo.GetSize(); ++i)
 280         {
 281             AddRow(i, arrInfo[i].szName.GetString(), DLSTATUS_WAITING);
 282         }
 283     }
 284
 285     VOID SetDownloadStatus(INT ItemIndex, DownloadStatus Status)
 286     {
 287         HWND hListView = GetWindow();
 288         ATL::CStringW szBuffer = LoadStatusString(Status);
 289         ListView_SetItemText(hListView, ItemIndex, 1, const_cast<LPWSTR>(szBuffer.GetString()));
 290     }
 291
 292     BOOL AddItem(INT ItemIndex, LPWSTR lpText)
 293     {
 294         LVITEMW Item;
 295
 296         ZeroMemory(&Item, sizeof(Item));
 297
 298         Item.mask = LVIF_TEXT | LVIF_STATE;
 299         Item.pszText = lpText;
 300         Item.iItem = ItemIndex;
 301
 302         return InsertItem(&Item);
 303     }
 304
 305     VOID AddRow(INT RowIndex, LPCWSTR szAppName, const DownloadStatus Status)
 306     {
 307         ATL::CStringW szStatus = LoadStatusString(Status);
 308         AddItem(RowIndex,
 309                 const_cast<LPWSTR>(szAppName));
 310         SetDownloadStatus(RowIndex, Status);
 311     }
 312
 313     BOOL AddColumn(INT Index, INT Width, INT Format)
 314     {
 315         LVCOLUMNW Column;
 316         ZeroMemory(&Column, sizeof(Column));
 317
 318         Column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM;
 319         Column.iSubItem = Index;
 320         Column.cx = Width;
 321         Column.fmt = Format;
 322
 323         return (InsertColumn(Index, &Column) == -1) ? FALSE : TRUE;
 324     }
 325 };
 326
 327 extern "C"
 328 HRESULT WINAPI CDownloadDialog_Constructor(HWND Dlg, BOOL *pbCancelled, REFIID riid, LPVOID *ppv)
 329 {
 330     return ShellObjectCreatorInit<CDownloadDialog>(Dlg, pbCancelled, riid, ppv);
 331 }
 332
 333 #ifdef USE_CERT_PINNING
 334 static BOOL CertIsValid(HINTERNET hFile, LPWSTR lpszHostName)
 335 {
 336     DWORD certInfoLength;
 337     INTERNET_CERTIFICATE_INFOA certInfo;
 338     int ValidFlags = 0;
 339
 340     /* Despite what the header indicates, the implementation of INTERNET_CERTIFICATE_INFO is not Unicode-aware. */
 341     certInfoLength = sizeof(certInfo);
 342     if (!InternetQueryOptionA(hFile,
 343                               INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT,
 344                               &certInfo,
 345                               &certInfoLength))
 346     {
 347         return FALSE;
 348     }
 349
 350     if (certInfo.lpszSubjectInfo)
 351     {
 352         if (strcmp(certInfo.lpszSubjectInfo, CERT_SUBJECT_INFO) == 0)
 353             ValidFlags |= 1;
 354         LocalFree(certInfo.lpszSubjectInfo);
 355     }
 356     if (certInfo.lpszIssuerInfo)
 357     {
 358         if (strcmp(certInfo.lpszIssuerInfo, CERT_ISSUER_INFO) == 0)
 359             ValidFlags |= 2;
 360         LocalFree(certInfo.lpszIssuerInfo);
 361     }
 362     if (certInfo.lpszProtocolName)
 363         LocalFree(certInfo.lpszProtocolName);
 364     if (certInfo.lpszSignatureAlgName)
 365         LocalFree(certInfo.lpszSignatureAlgName);
 366     if (certInfo.lpszEncryptionAlgName)
 367         LocalFree(certInfo.lpszEncryptionAlgName);
 368
 369     return ValidFlags == 3;
 370 }
 371 #endif
 372
 373 inline VOID MessageBox_LoadString(HWND hMainWnd, INT StringID)
 374 {
 375     ATL::CString szMsgText;
 376     if (szMsgText.LoadStringW(StringID))
 377     {
 378         MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 379     }
 380 }
 381
 382 // CDownloadManager
 383 ATL::CSimpleArray<DownloadInfo>         CDownloadManager::AppsToInstallList;
 384 CDowloadingAppsListView                 CDownloadManager::DownloadsListView;
 385
 386 VOID CDownloadManager::Download(const DownloadInfo &DLInfo, BOOL bIsModal)
 387 {
 388     AppsToInstallList.RemoveAll();
 389     AppsToInstallList.Add(DLInfo);
 390     LaunchDownloadDialog(bIsModal);
 391 }
 392
 393 INT_PTR CALLBACK CDownloadManager::DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 394 {
 395     static WCHAR szCaption[MAX_PATH];
 396
 397     switch (uMsg)
 398     {
 399     case WM_INITDIALOG:
 400     {
 401         HICON hIconSm, hIconBg;
 402         ATL::CStringW szTempCaption;
 403
 404         hIconBg = (HICON) GetClassLongW(hMainWnd, GCLP_HICON);
 405         hIconSm = (HICON) GetClassLongW(hMainWnd, GCLP_HICONSM);
 406
 407         if (hIconBg && hIconSm)
 408         {
 409             SendMessageW(Dlg, WM_SETICON, ICON_BIG, (LPARAM) hIconBg);
 410             SendMessageW(Dlg, WM_SETICON, ICON_SMALL, (LPARAM) hIconSm);
 411         }
 412
 413         SetWindowLongW(Dlg, GWLP_USERDATA, 0);
 414         HWND Item = GetDlgItem(Dlg, IDC_DOWNLOAD_PROGRESS);
 415         if (Item)
 416         {
 417             // initialize the default values for our nifty progress bar
 418             // and subclass it so that it learns to print a status text
 419             SendMessageW(Item, PBM_SETRANGE, 0, MAKELPARAM(0, 100));
 420             SendMessageW(Item, PBM_SETPOS, 0, 0);
 421
 422             SetWindowSubclass(Item, DownloadProgressProc, 0, 0);
 423         }
 424
 425         // Add a ListView
 426         HWND hListView = DownloadsListView.Create(Dlg);
 427         if (!hListView)
 428         {
 429             return FALSE;
 430         }
 431         DownloadsListView.LoadList(AppsToInstallList);
 432
 433         // Get a dlg string for later use
 434         GetWindowTextW(Dlg, szCaption, _countof(szCaption));
 435
 436         // Hide a placeholder from displaying
 437         szTempCaption = szCaption;
 438         szTempCaption.Replace(L"%ls", L"");
 439         SetWindowText(Dlg, szTempCaption.GetString());
 440
 441         ShowWindow(Dlg, SW_SHOW);
 442
 443         // Start download process
 444         DownloadParam *param = new DownloadParam(Dlg, AppsToInstallList, szCaption);
 445         DWORD ThreadId;
 446         HANDLE Thread = CreateThread(NULL, 0, ThreadFunc, (LPVOID) param, 0, &ThreadId);
 447
 448         if (!Thread)
 449         {
 450             return FALSE;
 451         }
 452
 453         CloseHandle(Thread);
 454         AppsToInstallList.RemoveAll();
 455         return TRUE;
 456     }
 457
 458     case WM_COMMAND:
 459         if (wParam == IDCANCEL)
 460         {
 461             SetWindowLongW(Dlg, GWLP_USERDATA, 1);
 462             PostMessageW(Dlg, WM_CLOSE, 0, 0);
 463         }
 464         return FALSE;
 465
 466     case WM_CLOSE:
 467         EndDialog(Dlg, 0);
 468         //DestroyWindow(Dlg);
 469         return TRUE;
 470
 471     default:
 472         return FALSE;
 473     }
 474 }
 475
 476 LRESULT CALLBACK CDownloadManager::DownloadProgressProc(HWND hWnd,
 477                                                         UINT uMsg,
 478                                                         WPARAM wParam,
 479                                                         LPARAM lParam,
 480                                                         UINT_PTR uIdSubclass,
 481                                                         DWORD_PTR dwRefData)
 482 {
 483     static ATL::CStringW szProgressText;
 484
 485     switch (uMsg)
 486     {
 487     case WM_SETTEXT:
 488     {
 489         if (lParam)
 490         {
 491             szProgressText = (PCWSTR) lParam;
 492         }
 493         return TRUE;
 494     }
 495
 496     case WM_ERASEBKGND:
 497     case WM_PAINT:
 498     {
 499         PAINTSTRUCT  ps;
 500         HDC hDC = BeginPaint(hWnd, &ps), hdcMem;
 501         HBITMAP hbmMem;
 502         HANDLE hOld;
 503         RECT myRect;
 504         UINT win_width, win_height;
 505
 506         GetClientRect(hWnd, &myRect);
 507
 508         /* grab the progress bar rect size */
 509         win_width = myRect.right - myRect.left;
 510         win_height = myRect.bottom - myRect.top;
 511
 512         /* create an off-screen DC for double-buffering */
 513         hdcMem = CreateCompatibleDC(hDC);
 514         hbmMem = CreateCompatibleBitmap(hDC, win_width, win_height);
 515
 516         hOld = SelectObject(hdcMem, hbmMem);
 517
 518         /* call the original draw code and redirect it to our memory buffer */
 519         DefSubclassProc(hWnd, uMsg, (WPARAM) hdcMem, lParam);
 520
 521         /* draw our nifty progress text over it */
 522         SelectFont(hdcMem, GetStockFont(DEFAULT_GUI_FONT));
 523         DrawShadowText(hdcMem, szProgressText.GetString(), szProgressText.GetLength(),
 524                        &myRect,
 525                        DT_CENTER | DT_VCENTER | DT_NOPREFIX | DT_SINGLELINE,
 526                        GetSysColor(COLOR_CAPTIONTEXT),
 527                        GetSysColor(COLOR_3DSHADOW),
 528                        1, 1);
 529
 530         /* transfer the off-screen DC to the screen */
 531         BitBlt(hDC, 0, 0, win_width, win_height, hdcMem, 0, 0, SRCCOPY);
 532
 533         /* free the off-screen DC */
 534         SelectObject(hdcMem, hOld);
 535         DeleteObject(hbmMem);
 536         DeleteDC(hdcMem);
 537
 538         EndPaint(hWnd, &ps);
 539         return 0;
 540     }
 541
 542     /* Raymond Chen says that we should safely unsubclass all the things!
 543     (http://blogs.msdn.com/b/oldnewthing/archive/2003/11/11/55653.aspx) */
 544
 545     case WM_NCDESTROY:
 546     {
 547         szProgressText.Empty();
 548         RemoveWindowSubclass(hWnd, DownloadProgressProc, uIdSubclass);
 549     }
 550     /* Fall-through */
 551     default:
 552         return DefSubclassProc(hWnd, uMsg, wParam, lParam);
 553     }
 554 }
 555
 556 VOID CDownloadManager::SetProgressMarquee(HWND Item, BOOL Enable)
 557 {
 558     if (!Item)
 559         return;
 560
 561     DWORD style = GetWindowLongPtr(Item, GWL_STYLE);
 562     if (!style)
 563         return;
 564
 565     if (!SetWindowLongPtr(Item, GWL_STYLE, (Enable ? style | PBS_MARQUEE : style & ~PBS_MARQUEE)))
 566         return;
 567
 568     SendMessageW(Item, PBM_SETMARQUEE, Enable, 0);
 569 }
 570
 571 DWORD WINAPI CDownloadManager::ThreadFunc(LPVOID param)
 572 {
 573     CComPtr<IBindStatusCallback> dl;
 574     ATL::CStringW Path;
 575     PWSTR p, q;
 576
 577     HWND hDlg = static_cast<DownloadParam*>(param)->Dialog;
 578     HWND Item;
 579     INT iAppId;
 580
 581     ULONG dwContentLen, dwBytesWritten, dwBytesRead, dwStatus;
 582     ULONG dwCurrentBytesRead = 0;
 583     ULONG dwStatusLen = sizeof(dwStatus);
 584
 585     BOOL bCancelled = FALSE;
 586     BOOL bTempfile = FALSE;
 587     BOOL bCab = FALSE;
 588
 589     HINTERNET hOpen = NULL;
 590     HINTERNET hFile = NULL;
 591     HANDLE hOut = INVALID_HANDLE_VALUE;
 592
 593     unsigned char lpBuffer[4096];
 594     LPCWSTR lpszAgent = L"RApps/1.0";
 595     URL_COMPONENTS urlComponents;
 596     size_t urlLength, filenameLength;
 597
 598     const ATL::CSimpleArray<DownloadInfo> &InfoArray = static_cast<DownloadParam*>(param)->AppInfo;
 599     LPCWSTR szCaption = static_cast<DownloadParam*>(param)->szCaption;
 600     ATL::CStringW szNewCaption;
 601
 602     if (InfoArray.GetSize() <= 0)
 603     {
 604         MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 605         goto end;
 606     }
 607
 608     for (iAppId = 0; iAppId < InfoArray.GetSize(); ++iAppId)
 609     {
 610         // Reset progress bar
 611         Item = GetDlgItem(hDlg, IDC_DOWNLOAD_PROGRESS);
 612         if (Item)
 613         {
 614             SetProgressMarquee(Item, FALSE);
 615             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) L"");
 616             SendMessageW(Item, PBM_SETPOS, 0, 0);
 617         }
 618
 619         // Change caption to show the currently downloaded app
 620         if (!bCab)
 621         {
 622             szNewCaption.Format(szCaption, InfoArray[iAppId].szName.GetString());
 623         }
 624         else
 625         {
 626             szNewCaption.LoadStringW(IDS_DL_DIALOG_DB_DOWNLOAD_DISP);
 627         }
 628
 629         SetWindowTextW(hDlg, szNewCaption.GetString());
 630
 631         // build the path for the download
 632         p = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'/');
 633         q = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'?');
 634
 635         // do we have a final slash separator?
 636         if (!p)
 637             goto end;
 638
 639         // prepare the tentative length of the filename, maybe we've to remove part of it later on
 640         filenameLength = wcslen(p) * sizeof(WCHAR);
 641
 642         /* do we have query arguments in the target URL after the filename? account for them
 643         (e.g. https://example.org/myfile.exe?no_adware_plz) */
 644         if (q && q > p && (q - p) > 0)
 645             filenameLength -= wcslen(q - 1) * sizeof(WCHAR);
 646
 647         // is this URL an update package for RAPPS? if so store it in a different place
 648         if (InfoArray[iAppId].szUrl == APPLICATION_DATABASE_URL)
 649         {
 650             bCab = TRUE;
 651             if (!GetStorageDirectory(Path))
 652                 goto end;
 653         }
 654         else
 655         {
 656             Path = SettingsInfo.szDownloadDir;
 657         }
 658
 659         // is the path valid? can we access it?
 660         if (GetFileAttributesW(Path.GetString()) == INVALID_FILE_ATTRIBUTES)
 661         {
 662             if (!CreateDirectoryW(Path.GetString(), NULL))
 663                 goto end;
 664         }
 665
 666         // append a \ to the provided file system path, and the filename portion from the URL after that
 667         Path += L"\\";
 668         Path += (LPWSTR) (p + 1);
 669
 670         if (!bCab && InfoArray[iAppId].szSHA1[0] && GetFileAttributesW(Path.GetString()) != INVALID_FILE_ATTRIBUTES)
 671         {
 672             // only open it in case of total correctness
 673             if (VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path))
 674                 goto run;
 675         }
 676
 677         // Add the download URL
 678         SetDlgItemTextW(hDlg, IDC_DOWNLOAD_STATUS, InfoArray[iAppId].szUrl.GetString());
 679
 680         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_DOWNLOADING);
 681
 682         // download it
 683         bTempfile = TRUE;
 684         CDownloadDialog_Constructor(hDlg, &bCancelled, IID_PPV_ARG(IBindStatusCallback, &dl));
 685
 686         if (dl == NULL)
 687             goto end;
 688
 689         /* FIXME: this should just be using the system-wide proxy settings */
 690         switch (SettingsInfo.Proxy)
 691         {
 692         case 0: // preconfig
 693             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 694             break;
 695         case 1: // direct (no proxy)
 696             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
 697             break;
 698         case 2: // use proxy
 699             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PROXY, SettingsInfo.szProxyServer, SettingsInfo.szNoProxyFor, 0);
 700             break;
 701         default: // preconfig
 702             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 703             break;
 704         }
 705
 706         if (!hOpen)
 707             goto end;
 708
 709         hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0, INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_KEEP_CONNECTION, 0);
 710
 711         if (!hFile)
 712         {
 713             MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 714             goto end;
 715         }
 716
 717         if (!HttpQueryInfoW(hFile, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwStatus, &dwStatusLen, NULL))
 718             goto end;
 719
 720         if (dwStatus != HTTP_STATUS_OK)
 721         {
 722             MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 723             goto end;
 724         }
 725
 726         dwStatusLen = sizeof(dwStatus);
 727
 728         memset(&urlComponents, 0, sizeof(urlComponents));
 729         urlComponents.dwStructSize = sizeof(urlComponents);
 730
 731         urlLength = InfoArray[iAppId].szUrl.GetLength();
 732         urlComponents.dwSchemeLength = urlLength + 1;
 733         urlComponents.lpszScheme = (LPWSTR) malloc(urlComponents.dwSchemeLength * sizeof(WCHAR));
 734         urlComponents.dwHostNameLength = urlLength + 1;
 735         urlComponents.lpszHostName = (LPWSTR) malloc(urlComponents.dwHostNameLength * sizeof(WCHAR));
 736
 737         if (!InternetCrackUrlW(InfoArray[iAppId].szUrl, urlLength + 1, ICU_DECODE | ICU_ESCAPE, &urlComponents))
 738             goto end;
 739
 740         dwContentLen = 0;
 741
 742         if (urlComponents.nScheme == INTERNET_SCHEME_HTTP || urlComponents.nScheme == INTERNET_SCHEME_HTTPS)
 743             HttpQueryInfoW(hFile, HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER, &dwContentLen, &dwStatus, 0);
 744
 745         if (urlComponents.nScheme == INTERNET_SCHEME_FTP)
 746             dwContentLen = FtpGetFileSize(hFile, &dwStatus);
 747
 748         if (!dwContentLen)
 749         {
 750             // content-length is not known, enable marquee mode
 751             SetProgressMarquee(Item, TRUE);
 752         }
 753
 754 #ifdef USE_CERT_PINNING
 755         // are we using HTTPS to download the RAPPS update package? check if the certificate is original
 756         if ((urlComponents.nScheme == INTERNET_SCHEME_HTTPS) &&
 757             (wcscmp(InfoArray[iAppId].szUrl, APPLICATION_DATABASE_URL) == 0) &&
 758             (!CertIsValid(hFile, urlComponents.lpszHostName)))
 759         {
 760             MessageBox_LoadString(hMainWnd, IDS_CERT_DOES_NOT_MATCH);
 761             goto end;
 762         }
 763 #endif
 764
 765         free(urlComponents.lpszScheme);
 766         free(urlComponents.lpszHostName);
 767
 768         hOut = CreateFileW(Path.GetString(), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
 769
 770         if (hOut == INVALID_HANDLE_VALUE)
 771             goto end;
 772
 773         dwCurrentBytesRead = 0;
 774         do
 775         {
 776             if (!InternetReadFile(hFile, lpBuffer, _countof(lpBuffer), &dwBytesRead))
 777             {
 778                 MessageBox_LoadString(hMainWnd, IDS_INTERRUPTED_DOWNLOAD);
 779                 goto end;
 780             }
 781
 782             if (!WriteFile(hOut, &lpBuffer[0], dwBytesRead, &dwBytesWritten, NULL))
 783             {
 784                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_WRITE);
 785                 goto end;
 786             }
 787
 788             dwCurrentBytesRead += dwBytesRead;
 789             dl->OnProgress(dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 790         } while (dwBytesRead && !bCancelled);
 791
 792         CloseHandle(hOut);
 793         hOut = INVALID_HANDLE_VALUE;
 794
 795         if (bCancelled)
 796             goto end;
 797
 798         if (!dwContentLen)
 799         {
 800             // set progress bar to 100%
 801             SetProgressMarquee(Item, FALSE);
 802
 803             dwContentLen = dwCurrentBytesRead;
 804             dl->OnProgress(dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 805         }
 806
 807         /* if this thing isn't a RAPPS update and it has a SHA-1 checksum
 808         verify its integrity by using the native advapi32.A_SHA1 functions */
 809         if (!bCab && InfoArray[iAppId].szSHA1[0] != 0)
 810         {
 811             ATL::CStringW szMsgText;
 812
 813             // change a few strings in the download dialog to reflect the verification process
 814             if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_TITLE))
 815                 goto end;
 816
 817             SetWindowTextW(hDlg, szMsgText.GetString());
 818             SendMessageW(GetDlgItem(hDlg, IDC_DOWNLOAD_STATUS), WM_SETTEXT, 0, (LPARAM) Path.GetString());
 819
 820             // this may take a while, depending on the file size
 821             if (!VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path.GetString()))
 822             {
 823                 if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_FAIL))
 824                     goto end;
 825
 826                 MessageBoxW(hDlg, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 827                 goto end;
 828             }
 829         }
 830
 831 run:
 832         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_WAITING_INSTALL);
 833
 834         // run it
 835         if (!bCab)
 836         {
 837             SHELLEXECUTEINFOW shExInfo = {0};
 838             shExInfo.cbSize = sizeof(shExInfo);
 839             shExInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
 840             shExInfo.lpVerb = L"open";
 841             shExInfo.lpFile = Path.GetString();
 842             shExInfo.lpParameters = L"";
 843             shExInfo.nShow = SW_SHOW;
 844
 845             if (ShellExecuteExW(&shExInfo))
 846             {
 847                 //reflect installation progress in the titlebar
 848                 //TODO: make a separate string with a placeholder to include app name?
 849                 ATL::CStringW szMsgText = LoadStatusString(DLSTATUS_INSTALLING);
 850                 SetWindowTextW(hDlg, szMsgText.GetString());
 851
 852                 DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_INSTALLING);
 853
 854                 //TODO: issue an install operation separately so that the apps could be downloaded in the background
 855                 WaitForSingleObject(shExInfo.hProcess, INFINITE);
 856                 CloseHandle(shExInfo.hProcess);
 857             }
 858             else
 859             {
 860                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_INSTALL);
 861             }
 862         }
 863
 864 end:
 865         if (hOut != INVALID_HANDLE_VALUE)
 866             CloseHandle(hOut);
 867
 868         InternetCloseHandle(hFile);
 869         InternetCloseHandle(hOpen);
 870
 871         if (bTempfile)
 872         {
 873             if (bCancelled || (SettingsInfo.bDelInstaller && !bCab))
 874                 DeleteFileW(Path.GetString());
 875         }
 876
 877         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_FINISHED);
 878     }
 879
 880     delete static_cast<DownloadParam*>(param);
 881     SendMessageW(hDlg, WM_CLOSE, 0, 0);
 882     return 0;
 883 }
 884
 885 BOOL CDownloadManager::DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo>& AppsList, BOOL bIsModal)
 886 {
 887     if (AppsList.GetSize() == 0)
 888         return FALSE;
 889
 890     // Initialize shared variables
 891     for (INT i = 0; i < AppsList.GetSize(); ++i)
 892     {
 893         AppsToInstallList.Add(AppsList[i]); // implicit conversion to DownloadInfo
 894     }
 895
 896     // Create a dialog and issue a download process
 897     LaunchDownloadDialog(bIsModal);
 898
 899     return TRUE;
 900 }
 901
 902 BOOL CDownloadManager::DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal)
 903 {
 904     if (!pAppInfo)
 905         return FALSE;
 906
 907     Download(*pAppInfo, bIsModal);
 908     return TRUE;
 909 }
 910
 911 VOID CDownloadManager::DownloadApplicationsDB(LPCWSTR lpUrl)
 912 {
 913     static DownloadInfo DatabaseDLInfo;
 914     DatabaseDLInfo.szUrl = lpUrl;
 915     DatabaseDLInfo.szName.LoadStringW(IDS_DL_DIALOG_DB_DISP);
 916     Download(DatabaseDLInfo, TRUE);
 917 }
 918
 919 //TODO: Reuse the dialog
 920 VOID CDownloadManager::LaunchDownloadDialog(BOOL bIsModal)
 921 {
 922     if (bIsModal)
 923     {
 924         DialogBoxW(hInst,
 925                    MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 926                    hMainWnd,
 927                    DownloadDlgProc);
 928     }
 929     else
 930     {
 931         CreateDialogW(hInst,
 932                       MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 933                       hMainWnd,
 934                       DownloadDlgProc);
 935     }
 936 }
 937 // CDownloadManager