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 CDownloadDialog :
 222     public CComObjectRootEx<CComMultiThreadModelNoCS>,
 223     public IBindStatusCallback
 224 {
 225     HWND m_hDialog;
 226     BOOL m_UrlHasBeenCopied;
 227     CDownloaderProgress* m_progress;
 228
 229 public:
 230     ~CDownloadDialog()
 231     {
 232         //DestroyWindow(m_hDialog);
 233     }
 234
 235     HRESULT Initialize(HWND Dlg, CDownloaderProgress* pProgress)
 236     {
 237         m_hDialog = Dlg;
 238         m_UrlHasBeenCopied = FALSE;
 239         m_progress = pProgress;
 240         return S_OK;
 241     }
 242
 243     virtual HRESULT STDMETHODCALLTYPE OnStartBinding(
 244         DWORD dwReserved,
 245         IBinding *pib)
 246     {
 247         return S_OK;
 248     }
 249
 250     virtual HRESULT STDMETHODCALLTYPE GetPriority(
 251         LONG *pnPriority)
 252     {
 253         return S_OK;
 254     }
 255
 256     virtual HRESULT STDMETHODCALLTYPE OnLowResource(
 257         DWORD reserved)
 258     {
 259         return S_OK;
 260     }
 261
 262     virtual HRESULT STDMETHODCALLTYPE OnProgress(
 263         ULONG ulProgress,
 264         ULONG ulProgressMax,
 265         ULONG ulStatusCode,
 266         LPCWSTR szStatusText)
 267     {
 268         HWND Item;
 269         LONG r;
 270
 271         m_progress->SetProgress(ulProgress, ulProgressMax);
 272
 273         Item = GetDlgItem(m_hDialog, IDC_DOWNLOAD_STATUS);
 274         if (Item && szStatusText && wcslen(szStatusText) > 0 && m_UrlHasBeenCopied == FALSE)
 275         {
 276             SIZE_T len = wcslen(szStatusText) + 1;
 277             ATL::CStringW buf;
 278             DWORD dummyLen;
 279
 280             /* beautify our url for display purposes */
 281             if (!InternetCanonicalizeUrlW(szStatusText, buf.GetBuffer(len), &dummyLen, ICU_DECODE | ICU_NO_ENCODE))
 282             {
 283                 /* just use the original */
 284                 buf.ReleaseBuffer();
 285                 buf = szStatusText;
 286             }
 287             else
 288             {
 289                 buf.ReleaseBuffer();
 290             }
 291
 292             /* paste it into our dialog and don't do it again in this instance */
 293             SendMessageW(Item, WM_SETTEXT, 0, (LPARAM) buf.GetString());
 294             m_UrlHasBeenCopied = TRUE;
 295         }
 296
 297         SetLastError(ERROR_SUCCESS);
 298         r = GetWindowLongPtrW(m_hDialog, GWLP_USERDATA);
 299         if (r || GetLastError() != ERROR_SUCCESS)
 300         {
 301             return E_ABORT;
 302         }
 303
 304         return S_OK;
 305     }
 306
 307     virtual HRESULT STDMETHODCALLTYPE OnStopBinding(
 308         HRESULT hresult,
 309         LPCWSTR szError)
 310     {
 311         return S_OK;
 312     }
 313
 314     virtual HRESULT STDMETHODCALLTYPE GetBindInfo(
 315         DWORD *grfBINDF,
 316         BINDINFO *pbindinfo)
 317     {
 318         return S_OK;
 319     }
 320
 321     virtual HRESULT STDMETHODCALLTYPE OnDataAvailable(
 322         DWORD grfBSCF,
 323         DWORD dwSize,
 324         FORMATETC *pformatetc,
 325         STGMEDIUM *pstgmed)
 326     {
 327         return S_OK;
 328     }
 329
 330     virtual HRESULT STDMETHODCALLTYPE OnObjectAvailable(
 331         REFIID riid,
 332         IUnknown *punk)
 333     {
 334         return S_OK;
 335     }
 336
 337     BEGIN_COM_MAP(CDownloadDialog)
 338         COM_INTERFACE_ENTRY_IID(IID_IBindStatusCallback, IBindStatusCallback)
 339     END_COM_MAP()
 340 };
 341
 342 class CDowloadingAppsListView
 343     : public CListView
 344 {
 345 public:
 346     HWND Create(HWND hwndParent)
 347     {
 348         RECT r = {10, 150, 320, 350};
 349         const DWORD style = WS_CHILD | WS_VISIBLE | LVS_REPORT | LVS_SINGLESEL
 350             | LVS_SHOWSELALWAYS | LVS_NOSORTHEADER | LVS_NOCOLUMNHEADER;
 351
 352         HWND hwnd = CListView::Create(hwndParent, r, NULL, style, WS_EX_CLIENTEDGE);
 353
 354         AddColumn(0, 150, LVCFMT_LEFT);
 355         AddColumn(1, 120, LVCFMT_LEFT);
 356
 357         return hwnd;
 358     }
 359
 360     VOID LoadList(ATL::CSimpleArray<DownloadInfo> arrInfo)
 361     {
 362         for (INT i = 0; i < arrInfo.GetSize(); ++i)
 363         {
 364             AddRow(i, arrInfo[i].szName.GetString(), DLSTATUS_WAITING);
 365         }
 366     }
 367
 368     VOID SetDownloadStatus(INT ItemIndex, DownloadStatus Status)
 369     {
 370         ATL::CStringW szBuffer = LoadStatusString(Status);
 371         SetItemText(ItemIndex, 1, szBuffer.GetString());
 372     }
 373
 374     BOOL AddItem(INT ItemIndex, LPWSTR lpText)
 375     {
 376         LVITEMW Item;
 377
 378         ZeroMemory(&Item, sizeof(Item));
 379
 380         Item.mask = LVIF_TEXT | LVIF_STATE;
 381         Item.pszText = lpText;
 382         Item.iItem = ItemIndex;
 383
 384         return InsertItem(&Item);
 385     }
 386
 387     VOID AddRow(INT RowIndex, LPCWSTR szAppName, const DownloadStatus Status)
 388     {
 389         ATL::CStringW szStatus = LoadStatusString(Status);
 390         AddItem(RowIndex,
 391                 const_cast<LPWSTR>(szAppName));
 392         SetDownloadStatus(RowIndex, Status);
 393     }
 394
 395     BOOL AddColumn(INT Index, INT Width, INT Format)
 396     {
 397         LVCOLUMNW Column;
 398         ZeroMemory(&Column, sizeof(Column));
 399
 400         Column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM;
 401         Column.iSubItem = Index;
 402         Column.cx = Width;
 403         Column.fmt = Format;
 404
 405         return (InsertColumn(Index, &Column) == -1) ? FALSE : TRUE;
 406     }
 407 };
 408
 409 extern "C"
 410 HRESULT WINAPI CDownloadDialog_Constructor(HWND Dlg, CDownloaderProgress* pProgress, REFIID riid, LPVOID *ppv)
 411 {
 412     return ShellObjectCreatorInit<CDownloadDialog>(Dlg, pProgress, riid, ppv);
 413 }
 414
 415 #ifdef USE_CERT_PINNING
 416 typedef CHeapPtr<char, CLocalAllocator> CLocalPtr;
 417
 418 static BOOL CertGetSubjectAndIssuer(HINTERNET hFile, CLocalPtr& subjectInfo, CLocalPtr& issuerInfo)
 419 {
 420     DWORD certInfoLength;
 421     INTERNET_CERTIFICATE_INFOA certInfo;
 422     DWORD size, flags;
 423
 424     size = sizeof(flags);
 425     if (!InternetQueryOptionA(hFile, INTERNET_OPTION_SECURITY_FLAGS, &flags, &size))
 426     {
 427         return FALSE;
 428     }
 429
 430     if (!flags & SECURITY_FLAG_SECURE)
 431     {
 432         return FALSE;
 433     }
 434
 435     /* Despite what the header indicates, the implementation of INTERNET_CERTIFICATE_INFO is not Unicode-aware. */
 436     certInfoLength = sizeof(certInfo);
 437     if (!InternetQueryOptionA(hFile,
 438                               INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT,
 439                               &certInfo,
 440                               &certInfoLength))
 441     {
 442         return FALSE;
 443     }
 444
 445     subjectInfo.Attach(certInfo.lpszSubjectInfo);
 446     issuerInfo.Attach(certInfo.lpszIssuerInfo);
 447
 448     if (certInfo.lpszProtocolName)
 449         LocalFree(certInfo.lpszProtocolName);
 450     if (certInfo.lpszSignatureAlgName)
 451         LocalFree(certInfo.lpszSignatureAlgName);
 452     if (certInfo.lpszEncryptionAlgName)
 453         LocalFree(certInfo.lpszEncryptionAlgName);
 454
 455     return certInfo.lpszSubjectInfo && certInfo.lpszIssuerInfo;
 456 }
 457 #endif
 458
 459 inline VOID MessageBox_LoadString(HWND hMainWnd, INT StringID)
 460 {
 461     ATL::CStringW szMsgText;
 462     if (szMsgText.LoadStringW(StringID))
 463     {
 464         MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 465     }
 466 }
 467
 468 // Download dialog (loaddlg.cpp)
 469 class CDownloadManager
 470 {
 471     static ATL::CSimpleArray<DownloadInfo> AppsToInstallList;
 472     static CDowloadingAppsListView DownloadsListView;
 473     static CDownloaderProgress ProgressBar;
 474     static BOOL bCancelled;
 475 public:
 476     static VOID Add(DownloadInfo info);
 477     static VOID Download(const DownloadInfo& DLInfo, BOOL bIsModal = FALSE);
 478     static INT_PTR CALLBACK DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
 479     static DWORD WINAPI ThreadFunc(LPVOID Context);
 480     static BOOL DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo>& AppsList, BOOL bIsModal = FALSE);
 481     static BOOL DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal = FALSE);
 482     static VOID DownloadApplicationsDB(LPCWSTR lpUrl);
 483     static VOID LaunchDownloadDialog(BOOL);
 484 };
 485
 486
 487 // CDownloadManager
 488 ATL::CSimpleArray<DownloadInfo>         CDownloadManager::AppsToInstallList;
 489 CDowloadingAppsListView                 CDownloadManager::DownloadsListView;
 490 CDownloaderProgress                     CDownloadManager::ProgressBar;
 491 BOOL                                    CDownloadManager::bCancelled;
 492
 493 VOID CDownloadManager::Add(DownloadInfo info)
 494 {
 495     AppsToInstallList.Add(info);
 496 }
 497
 498 VOID CDownloadManager::Download(const DownloadInfo &DLInfo, BOOL bIsModal)
 499 {
 500     AppsToInstallList.RemoveAll();
 501     AppsToInstallList.Add(DLInfo);
 502     LaunchDownloadDialog(bIsModal);
 503 }
 504
 505 INT_PTR CALLBACK CDownloadManager::DownloadDlgProc(HWND Dlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 506 {
 507     static WCHAR szCaption[MAX_PATH];
 508
 509     switch (uMsg)
 510     {
 511     case WM_INITDIALOG:
 512     {
 513         HICON hIconSm, hIconBg;
 514         ATL::CStringW szTempCaption;
 515
 516         bCancelled = FALSE;
 517
 518         hIconBg = (HICON) GetClassLongPtrW(hMainWnd, GCLP_HICON);
 519         hIconSm = (HICON) GetClassLongPtrW(hMainWnd, GCLP_HICONSM);
 520
 521         if (hIconBg && hIconSm)
 522         {
 523             SendMessageW(Dlg, WM_SETICON, ICON_BIG, (LPARAM) hIconBg);
 524             SendMessageW(Dlg, WM_SETICON, ICON_SMALL, (LPARAM) hIconSm);
 525         }
 526
 527         SetWindowLongW(Dlg, GWLP_USERDATA, 0);
 528         HWND Item = GetDlgItem(Dlg, IDC_DOWNLOAD_PROGRESS);
 529         if (Item)
 530         {
 531             // initialize the default values for our nifty progress bar
 532             // and subclass it so that it learns to print a status text
 533             ProgressBar.SubclassWindow(Item);
 534             ProgressBar.SendMessage(PBM_SETRANGE, 0, MAKELPARAM(0, 100));
 535             ProgressBar.SendMessage(PBM_SETPOS, 0, 0);
 536         }
 537
 538         // Add a ListView
 539         HWND hListView = DownloadsListView.Create(Dlg);
 540         if (!hListView)
 541         {
 542             return FALSE;
 543         }
 544         DownloadsListView.LoadList(AppsToInstallList);
 545
 546         // Get a dlg string for later use
 547         GetWindowTextW(Dlg, szCaption, _countof(szCaption));
 548
 549         // Hide a placeholder from displaying
 550         szTempCaption = szCaption;
 551         szTempCaption.Replace(L"%ls", L"");
 552         SetWindowText(Dlg, szTempCaption.GetString());
 553
 554         ShowWindow(Dlg, SW_SHOW);
 555
 556         // Start download process
 557         DownloadParam *param = new DownloadParam(Dlg, AppsToInstallList, szCaption);
 558         DWORD ThreadId;
 559         HANDLE Thread = CreateThread(NULL, 0, ThreadFunc, (LPVOID) param, 0, &ThreadId);
 560
 561         if (!Thread)
 562         {
 563             return FALSE;
 564         }
 565
 566         CloseHandle(Thread);
 567         AppsToInstallList.RemoveAll();
 568         return TRUE;
 569     }
 570
 571     case WM_COMMAND:
 572         if (wParam == IDCANCEL)
 573         {
 574             bCancelled = TRUE;
 575             PostMessageW(Dlg, WM_CLOSE, 0, 0);
 576         }
 577         return FALSE;
 578
 579     case WM_CLOSE:
 580         EndDialog(Dlg, 0);
 581         //DestroyWindow(Dlg);
 582         return TRUE;
 583
 584     default:
 585         return FALSE;
 586     }
 587 }
 588
 589 DWORD WINAPI CDownloadManager::ThreadFunc(LPVOID param)
 590 {
 591     CComPtr<IBindStatusCallback> dl;
 592     ATL::CStringW Path;
 593     PWSTR p, q;
 594
 595     HWND hDlg = static_cast<DownloadParam*>(param)->Dialog;
 596     HWND Item;
 597     INT iAppId;
 598
 599     ULONG dwContentLen, dwBytesWritten, dwBytesRead, dwStatus;
 600     ULONG dwCurrentBytesRead = 0;
 601     ULONG dwStatusLen = sizeof(dwStatus);
 602
 603     BOOL bTempfile = FALSE;
 604     BOOL bCab = FALSE;
 605
 606     HINTERNET hOpen = NULL;
 607     HINTERNET hFile = NULL;
 608     HANDLE hOut = INVALID_HANDLE_VALUE;
 609
 610     unsigned char lpBuffer[4096];
 611     LPCWSTR lpszAgent = L"RApps/1.0";
 612     URL_COMPONENTS urlComponents;
 613     size_t urlLength, filenameLength;
 614
 615     const ATL::CSimpleArray<DownloadInfo> &InfoArray = static_cast<DownloadParam*>(param)->AppInfo;
 616     LPCWSTR szCaption = static_cast<DownloadParam*>(param)->szCaption;
 617     ATL::CStringW szNewCaption;
 618
 619     const DWORD dwUrlConnectFlags = INTERNET_FLAG_DONT_CACHE | INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_KEEP_CONNECTION;
 620
 621     if (InfoArray.GetSize() <= 0)
 622     {
 623         MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 624         goto end;
 625     }
 626
 627     for (iAppId = 0; iAppId < InfoArray.GetSize(); ++iAppId)
 628     {
 629         // Reset progress bar
 630         Item = GetDlgItem(hDlg, IDC_DOWNLOAD_PROGRESS);
 631         if (Item)
 632         {
 633             ProgressBar.SetMarquee(FALSE);
 634             ProgressBar.SendMessage(WM_SETTEXT, 0, (LPARAM) L"");
 635             ProgressBar.SendMessage(PBM_SETPOS, 0, 0);
 636         }
 637
 638         // is this URL an update package for RAPPS? if so store it in a different place
 639         if (InfoArray[iAppId].szUrl == APPLICATION_DATABASE_URL)
 640         {
 641             bCab = TRUE;
 642             if (!GetStorageDirectory(Path))
 643                 goto end;
 644         }
 645         else
 646         {
 647             bCab = FALSE;
 648             Path = SettingsInfo.szDownloadDir;
 649         }
 650
 651         // Change caption to show the currently downloaded app
 652         if (!bCab)
 653         {
 654             szNewCaption.Format(szCaption, InfoArray[iAppId].szName.GetString());
 655         }
 656         else
 657         {
 658             szNewCaption.LoadStringW(IDS_DL_DIALOG_DB_DOWNLOAD_DISP);
 659         }
 660
 661         SetWindowTextW(hDlg, szNewCaption.GetString());
 662
 663         // build the path for the download
 664         p = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'/');
 665         q = wcsrchr(InfoArray[iAppId].szUrl.GetString(), L'?');
 666
 667         // do we have a final slash separator?
 668         if (!p)
 669             goto end;
 670
 671         // prepare the tentative length of the filename, maybe we've to remove part of it later on
 672         filenameLength = wcslen(p) * sizeof(WCHAR);
 673
 674         /* do we have query arguments in the target URL after the filename? account for them
 675         (e.g. https://example.org/myfile.exe?no_adware_plz) */
 676         if (q && q > p && (q - p) > 0)
 677             filenameLength -= wcslen(q - 1) * sizeof(WCHAR);
 678
 679         // is the path valid? can we access it?
 680         if (GetFileAttributesW(Path.GetString()) == INVALID_FILE_ATTRIBUTES)
 681         {
 682             if (!CreateDirectoryW(Path.GetString(), NULL))
 683                 goto end;
 684         }
 685
 686         // append a \ to the provided file system path, and the filename portion from the URL after that
 687         Path += L"\\";
 688         Path += (LPWSTR) (p + 1);
 689
 690         if (!bCab && InfoArray[iAppId].szSHA1[0] && GetFileAttributesW(Path.GetString()) != INVALID_FILE_ATTRIBUTES)
 691         {
 692             // only open it in case of total correctness
 693             if (VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path))
 694                 goto run;
 695         }
 696
 697         // Add the download URL
 698         SetDlgItemTextW(hDlg, IDC_DOWNLOAD_STATUS, InfoArray[iAppId].szUrl.GetString());
 699
 700         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_DOWNLOADING);
 701
 702         // download it
 703         bTempfile = TRUE;
 704         CDownloadDialog_Constructor(hDlg, &ProgressBar, IID_PPV_ARG(IBindStatusCallback, &dl));
 705
 706         if (dl == NULL)
 707             goto end;
 708
 709         /* FIXME: this should just be using the system-wide proxy settings */
 710         switch (SettingsInfo.Proxy)
 711         {
 712         case 0: // preconfig
 713         default:
 714             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
 715             break;
 716         case 1: // direct (no proxy)
 717             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
 718             break;
 719         case 2: // use proxy
 720             hOpen = InternetOpenW(lpszAgent, INTERNET_OPEN_TYPE_PROXY, SettingsInfo.szProxyServer, SettingsInfo.szNoProxyFor, 0);
 721             break;
 722         }
 723
 724         if (!hOpen)
 725             goto end;
 726
 727         dwStatusLen = sizeof(dwStatus);
 728
 729         memset(&urlComponents, 0, sizeof(urlComponents));
 730         urlComponents.dwStructSize = sizeof(urlComponents);
 731
 732         urlLength = InfoArray[iAppId].szUrl.GetLength();
 733         urlComponents.dwSchemeLength = urlLength + 1;
 734         urlComponents.lpszScheme = (LPWSTR) malloc(urlComponents.dwSchemeLength * sizeof(WCHAR));
 735         urlComponents.dwHostNameLength = urlLength + 1;
 736         urlComponents.lpszHostName = (LPWSTR) malloc(urlComponents.dwHostNameLength * sizeof(WCHAR));
 737
 738         if (!InternetCrackUrlW(InfoArray[iAppId].szUrl, urlLength + 1, ICU_DECODE | ICU_ESCAPE, &urlComponents))
 739             goto end;
 740
 741         dwContentLen = 0;
 742
 743         if (urlComponents.nScheme == INTERNET_SCHEME_HTTP || urlComponents.nScheme == INTERNET_SCHEME_HTTPS)
 744         {
 745             hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0,
 746                                      dwUrlConnectFlags,
 747                                      0);
 748             if (!hFile)
 749             {
 750                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 751                 goto end;
 752             }
 753
 754             // query connection
 755             if (!HttpQueryInfoW(hFile, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwStatus, &dwStatusLen, NULL))
 756                 goto end;
 757
 758             if (dwStatus != HTTP_STATUS_OK)
 759             {
 760                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD);
 761                 goto end;
 762             }
 763
 764             // query content length
 765             HttpQueryInfoW(hFile, HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER, &dwContentLen, &dwStatusLen, NULL);
 766         }
 767
 768         if (urlComponents.nScheme == INTERNET_SCHEME_FTP)
 769         {
 770             // force passive mode on FTP
 771             hFile = InternetOpenUrlW(hOpen, InfoArray[iAppId].szUrl.GetString(), NULL, 0,
 772                                      dwUrlConnectFlags | INTERNET_FLAG_PASSIVE,
 773                                      0);
 774             if (!hFile)
 775             {
 776                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_DOWNLOAD2);
 777                 goto end;
 778             }
 779
 780             dwContentLen = FtpGetFileSize(hFile, &dwStatus);
 781         }
 782
 783         if (!dwContentLen)
 784         {
 785             // content-length is not known, enable marquee mode
 786             ProgressBar.SetMarquee(TRUE);
 787         }
 788
 789         free(urlComponents.lpszScheme);
 790         free(urlComponents.lpszHostName);
 791
 792 #ifdef USE_CERT_PINNING
 793         // are we using HTTPS to download the RAPPS update package? check if the certificate is original
 794         if ((urlComponents.nScheme == INTERNET_SCHEME_HTTPS) &&
 795             (wcscmp(InfoArray[iAppId].szUrl, APPLICATION_DATABASE_URL) == 0))
 796         {
 797             CLocalPtr subjectName, issuerName;
 798             CStringW szMsgText;
 799             bool bAskQuestion = false;
 800             if (!CertGetSubjectAndIssuer(hFile, subjectName, issuerName))
 801             {
 802                 szMsgText.LoadStringW(IDS_UNABLE_TO_QUERY_CERT);
 803                 bAskQuestion = true;
 804             }
 805             else
 806             {
 807                 if (strcmp(subjectName, CERT_SUBJECT_INFO) ||
 808                     strcmp(issuerName, CERT_ISSUER_INFO))
 809                 {
 810                     szMsgText.Format(IDS_MISMATCH_CERT_INFO, (char*)subjectName, (const char*)issuerName);
 811                     bAskQuestion = true;
 812                 }
 813             }
 814
 815             if (bAskQuestion)
 816             {
 817                 if (MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_YESNO | MB_ICONERROR) != IDYES)
 818                 {
 819                     goto end;
 820                 }
 821             }
 822         }
 823 #endif
 824
 825         hOut = CreateFileW(Path.GetString(), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, NULL);
 826
 827         if (hOut == INVALID_HANDLE_VALUE)
 828             goto end;
 829
 830         dwCurrentBytesRead = 0;
 831         do
 832         {
 833             if (!InternetReadFile(hFile, lpBuffer, _countof(lpBuffer), &dwBytesRead))
 834             {
 835                 MessageBox_LoadString(hMainWnd, IDS_INTERRUPTED_DOWNLOAD);
 836                 goto end;
 837             }
 838
 839             if (!WriteFile(hOut, &lpBuffer[0], dwBytesRead, &dwBytesWritten, NULL))
 840             {
 841                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_WRITE);
 842                 goto end;
 843             }
 844
 845             dwCurrentBytesRead += dwBytesRead;
 846             dl->OnProgress(dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 847         } while (dwBytesRead && !bCancelled);
 848
 849         CloseHandle(hOut);
 850         hOut = INVALID_HANDLE_VALUE;
 851
 852         if (bCancelled)
 853             goto end;
 854
 855         if (!dwContentLen)
 856         {
 857             // set progress bar to 100%
 858             ProgressBar.SetMarquee(FALSE);
 859
 860             dwContentLen = dwCurrentBytesRead;
 861             dl->OnProgress(dwCurrentBytesRead, dwContentLen, 0, InfoArray[iAppId].szUrl.GetString());
 862         }
 863
 864         /* if this thing isn't a RAPPS update and it has a SHA-1 checksum
 865         verify its integrity by using the native advapi32.A_SHA1 functions */
 866         if (!bCab && InfoArray[iAppId].szSHA1[0] != 0)
 867         {
 868             ATL::CStringW szMsgText;
 869
 870             // change a few strings in the download dialog to reflect the verification process
 871             if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_TITLE))
 872                 goto end;
 873
 874             SetWindowTextW(hDlg, szMsgText.GetString());
 875             SendMessageW(GetDlgItem(hDlg, IDC_DOWNLOAD_STATUS), WM_SETTEXT, 0, (LPARAM) Path.GetString());
 876
 877             // this may take a while, depending on the file size
 878             if (!VerifyInteg(InfoArray[iAppId].szSHA1.GetString(), Path.GetString()))
 879             {
 880                 if (!szMsgText.LoadStringW(IDS_INTEG_CHECK_FAIL))
 881                     goto end;
 882
 883                 MessageBoxW(hDlg, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 884                 goto end;
 885             }
 886         }
 887
 888 run:
 889         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_WAITING_INSTALL);
 890
 891         // run it
 892         if (!bCab)
 893         {
 894             SHELLEXECUTEINFOW shExInfo = {0};
 895             shExInfo.cbSize = sizeof(shExInfo);
 896             shExInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
 897             shExInfo.lpVerb = L"open";
 898             shExInfo.lpFile = Path.GetString();
 899             shExInfo.lpParameters = L"";
 900             shExInfo.nShow = SW_SHOW;
 901
 902             if (ShellExecuteExW(&shExInfo))
 903             {
 904                 //reflect installation progress in the titlebar
 905                 //TODO: make a separate string with a placeholder to include app name?
 906                 ATL::CStringW szMsgText = LoadStatusString(DLSTATUS_INSTALLING);
 907                 SetWindowTextW(hDlg, szMsgText.GetString());
 908
 909                 DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_INSTALLING);
 910
 911                 //TODO: issue an install operation separately so that the apps could be downloaded in the background
 912                 WaitForSingleObject(shExInfo.hProcess, INFINITE);
 913                 CloseHandle(shExInfo.hProcess);
 914             }
 915             else
 916             {
 917                 MessageBox_LoadString(hMainWnd, IDS_UNABLE_TO_INSTALL);
 918             }
 919         }
 920
 921 end:
 922         if (hOut != INVALID_HANDLE_VALUE)
 923             CloseHandle(hOut);
 924
 925         InternetCloseHandle(hFile);
 926         InternetCloseHandle(hOpen);
 927
 928         if (bTempfile)
 929         {
 930             if (bCancelled || (SettingsInfo.bDelInstaller && !bCab))
 931                 DeleteFileW(Path.GetString());
 932         }
 933
 934         DownloadsListView.SetDownloadStatus(iAppId, DLSTATUS_FINISHED);
 935     }
 936
 937     delete static_cast<DownloadParam*>(param);
 938     SendMessageW(hDlg, WM_CLOSE, 0, 0);
 939     return 0;
 940 }
 941
 942 //TODO: Reuse the dialog
 943 VOID CDownloadManager::LaunchDownloadDialog(BOOL bIsModal)
 944 {
 945     if (bIsModal)
 946     {
 947         DialogBoxW(hInst,
 948                    MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 949                    hMainWnd,
 950                    DownloadDlgProc);
 951     }
 952     else
 953     {
 954         CreateDialogW(hInst,
 955                       MAKEINTRESOURCEW(IDD_DOWNLOAD_DIALOG),
 956                       hMainWnd,
 957                       DownloadDlgProc);
 958     }
 959 }
 960 // CDownloadManager
 961
 962
 963 BOOL DownloadListOfApplications(const ATL::CSimpleArray<CAvailableApplicationInfo>& AppsList, BOOL bIsModal)
 964 {
 965     if (AppsList.GetSize() == 0)
 966         return FALSE;
 967
 968     // Initialize shared variables
 969     for (INT i = 0; i < AppsList.GetSize(); ++i)
 970     {
 971         CDownloadManager::Add(AppsList[i]); // implicit conversion to DownloadInfo
 972     }
 973
 974     // Create a dialog and issue a download process
 975     CDownloadManager::LaunchDownloadDialog(bIsModal);
 976
 977     return TRUE;
 978 }
 979
 980 BOOL DownloadApplication(CAvailableApplicationInfo* pAppInfo, BOOL bIsModal)
 981 {
 982     if (!pAppInfo)
 983         return FALSE;
 984
 985     CDownloadManager::Download(*pAppInfo, bIsModal);
 986     return TRUE;
 987 }
 988
 989 VOID DownloadApplicationsDB(LPCWSTR lpUrl)
 990 {
 991     static DownloadInfo DatabaseDLInfo;
 992     DatabaseDLInfo.szUrl = lpUrl;
 993     DatabaseDLInfo.szName.LoadStringW(IDS_DL_DIALOG_DB_DISP);
 994     CDownloadManager::Download(DatabaseDLInfo, TRUE);
 995 }
 996