void CalcSha2DigestWin(const void *data, size_t byteCount, unsigned char digest[32])
{
HCRYPTPROV hProv = 0;
HCRYPTHASH hHash = 0;
BOOL ok = CryptAcquireContext(&hProv, NULL, MS_ENH_RSA_AES_PROV, PROV_RSA_AES, CRYPT_VERIFYCONTEXT);
if (!ok) {
// TODO: test this on XP SP3
ok = CryptAcquireContext(&hProv, NULL, MS_ENH_RSA_AES_PROV_XP, PROV_RSA_AES, CRYPT_VERIFYCONTEXT);
}
CrashAlwaysIf(!ok);
ok = CryptCreateHash(hProv, CALG_SHA_256, 0, 0, &hHash);
CrashAlwaysIf(!ok);
#ifdef _WIN64
for (; byteCount > DWORD_MAX; data = (const BYTE *)data + DWORD_MAX, byteCount -= DWORD_MAX) {
ok = CryptHashData(hHash, (const BYTE *)data, DWORD_MAX, 0);
CrashAlwaysIf(!ok);
}
#endif
CrashAlwaysIf(byteCount > DWORD_MAX);
ok = CryptHashData(hHash, (const BYTE*)data, (DWORD)byteCount, 0);
CrashAlwaysIf(!ok);
DWORD hashLen;
DWORD argSize = sizeof(DWORD);
ok = CryptGetHashParam(hHash, HP_HASHSIZE, (BYTE *)&hashLen, &argSize, 0);
CrashIf(sizeof(DWORD) != argSize);
CrashAlwaysIf(!ok);
CrashAlwaysIf(32 != hashLen);
ok = CryptGetHashParam(hHash, HP_HASHVAL, digest, &hashLen, 0);
CrashAlwaysIf(!ok);
CrashAlwaysIf(32 != hashLen);
CryptDestroyHash(hHash);
CryptReleaseContext(hProv,0);
}
// MD5 digest that uses Windows' CryptoAPI. It's good for code that doesn't already
// have MD5 code (smaller code) and it's probably faster than most other implementations
// TODO: could try to use CryptoNG available starting in Vista. But then again, would that be worth it?
void CalcMD5DigestWin(const void *data, size_t byteCount, unsigned char digest[16])
{
HCRYPTPROV hProv = 0;
HCRYPTHASH hHash = 0;
// http://stackoverflow.com/questions/9794745/ms-cryptoapi-doesnt-work-on-windows-xp-with-cryptacquirecontext
BOOL ok = CryptAcquireContext(&hProv, NULL, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
if (!ok)
ok = CryptAcquireContext(&hProv, NULL, MS_ENH_RSA_AES_PROV_XP, PROV_RSA_AES, CRYPT_VERIFYCONTEXT);
CrashAlwaysIf(!ok);
ok = CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash);
CrashAlwaysIf(!ok);
#ifdef _WIN64
for (; byteCount > DWORD_MAX; data = (const BYTE *)data + DWORD_MAX, byteCount -= DWORD_MAX) {
ok = CryptHashData(hHash, (const BYTE *)data, DWORD_MAX, 0);
CrashAlwaysIf(!ok);
}
#endif
CrashAlwaysIf(byteCount > DWORD_MAX);
ok = CryptHashData(hHash, (const BYTE*)data, (DWORD)byteCount, 0);
CrashAlwaysIf(!ok);
DWORD hashLen;
DWORD argSize = sizeof(DWORD);
ok = CryptGetHashParam(hHash, HP_HASHSIZE, (BYTE *)&hashLen, &argSize, 0);
CrashIf(sizeof(DWORD) != argSize);
CrashAlwaysIf(!ok);
CrashAlwaysIf(16 != hashLen);
ok = CryptGetHashParam(hHash, HP_HASHVAL, digest, &hashLen, 0);
CrashAlwaysIf(!ok);
CrashAlwaysIf(16 != hashLen);
CryptDestroyHash(hHash);
CryptReleaseContext(hProv,0);
}
static void OnButtonInstall()
{
CrashAlwaysIf(gForceCrash);
if (gShowOptions)
OnButtonOptions();
KillSumatra();
if (!CheckInstallUninstallPossible())
return;
WCHAR *userInstallDir = win::GetText(gHwndTextboxInstDir);
if (!str::IsEmpty(userInstallDir))
str::ReplacePtr(&gGlobalData.installDir, userInstallDir);
free(userInstallDir);
// note: this checkbox isn't created if we're already registered as default
// (in which case we're just going to re-register)
gGlobalData.registerAsDefault = gHwndCheckboxRegisterDefault == nullptr ||
IsCheckboxChecked(gHwndCheckboxRegisterDefault);
// note: this checkbox isn't created when running inside Wow64
gGlobalData.installPdfFilter = gHwndCheckboxRegisterPdfFilter != nullptr &&
IsCheckboxChecked(gHwndCheckboxRegisterPdfFilter);
// note: this checkbox isn't created on Windows 2000 and XP
gGlobalData.installPdfPreviewer = gHwndCheckboxRegisterPdfPreviewer != nullptr &&
IsCheckboxChecked(gHwndCheckboxRegisterPdfPreviewer);
// note: this checkbox isn't created if the browser plugin hasn't been installed before
gGlobalData.keepBrowserPlugin = gHwndCheckboxKeepBrowserPlugin != nullptr &&
IsCheckboxChecked(gHwndCheckboxKeepBrowserPlugin);
// create a progress bar in place of the Options button
RectI rc(0, 0, dpiAdjust(INSTALLER_WIN_DX / 2), gButtonDy);
rc = MapRectToWindow(rc, gHwndButtonOptions, gHwndFrame);
gHwndProgressBar = CreateWindow(PROGRESS_CLASS, nullptr, WS_CHILD | WS_VISIBLE,
rc.x, rc.y, rc.dx, rc.dy,
gHwndFrame, 0, GetModuleHandle(nullptr), nullptr);
SendMessage(gHwndProgressBar, PBM_SETRANGE32, 0, GetInstallationStepCount());
SendMessage(gHwndProgressBar, PBM_SETSTEP, 1, 0);
// disable the install button and remove all the installation options
SafeDestroyWindow(&gHwndStaticInstDir);
SafeDestroyWindow(&gHwndTextboxInstDir);
SafeDestroyWindow(&gHwndButtonBrowseDir);
SafeDestroyWindow(&gHwndCheckboxRegisterDefault);
SafeDestroyWindow(&gHwndCheckboxRegisterPdfFilter);
SafeDestroyWindow(&gHwndCheckboxRegisterPdfPreviewer);
SafeDestroyWindow(&gHwndCheckboxKeepBrowserPlugin);
SafeDestroyWindow(&gHwndButtonOptions);
EnableWindow(gHwndButtonInstUninst, FALSE);
SetMsg(_TR("Installation in progress..."), COLOR_MSG_INSTALLATION);
InvalidateFrame();
gGlobalData.hThread = CreateThread(nullptr, 0, InstallerThread, nullptr, 0, 0);
}
static void MobiSaveImage(const WCHAR *filePathBase, size_t imgNo, ImageData *img)
{
// it's valid to not have image data at a given index
if (!img || !img->data)
return;
const WCHAR *ext = GfxFileExtFromData(img->data, img->len);
CrashAlwaysIf(!ext);
ScopedMem<WCHAR> fileName(str::Format(L"%s_img_%d%s", filePathBase, imgNo, ext));
file::WriteAll(fileName.Get(), img->data, img->len);
}
/* Caller needs to prefs::CleanUp() */
bool Load()
{
CrashIf(gGlobalPrefs);
ScopedMem<WCHAR> path(GetSettingsPath());
ScopedMem<char> prefsData(file::ReadAll(path, NULL));
gGlobalPrefs = (GlobalPrefs *)DeserializeStruct(&gGlobalPrefsInfo, prefsData);
CrashAlwaysIf(!gGlobalPrefs);
#ifdef DISABLE_EBOOK_UI
if (!file::Exists(path))
gGlobalPrefs->ebookUI.useFixedPageUI = gGlobalPrefs->chmUI.useFixedPageUI = true;
#endif
#ifdef DISABLE_TABS
if (!file::Exists(path))
gGlobalPrefs->useTabs = false;
#endif
if (!gGlobalPrefs->uiLanguage || !trans::ValidateLangCode(gGlobalPrefs->uiLanguage)) {
// guess the ui language on first start
str::ReplacePtr(&gGlobalPrefs->uiLanguage, trans::DetectUserLang());
}
gGlobalPrefs->lastPrefUpdate = file::GetModificationTime(path);
gGlobalPrefs->defaultDisplayModeEnum = conv::ToDisplayMode(gGlobalPrefs->defaultDisplayMode, DM_AUTOMATIC);
gGlobalPrefs->defaultZoomFloat = conv::ToZoom(gGlobalPrefs->defaultZoom, ZOOM_ACTUAL_SIZE);
CrashIf(!IsValidZoom(gGlobalPrefs->defaultZoomFloat));
int weekDiff = GetWeekCount() - gGlobalPrefs->openCountWeek;
gGlobalPrefs->openCountWeek = GetWeekCount();
if (weekDiff > 0) {
// "age" openCount statistics (cut in in half after every week)
for (DisplayState **ds = gGlobalPrefs->fileStates->IterStart(); ds; ds = gGlobalPrefs->fileStates->IterNext()) {
(*ds)->openCount >>= weekDiff;
}
}
// make sure that zoom levels are in the order expected by DisplayModel
gGlobalPrefs->zoomLevels->Sort(cmpFloat);
while (gGlobalPrefs->zoomLevels->Count() > 0 &&
gGlobalPrefs->zoomLevels->At(0) < ZOOM_MIN) {
gGlobalPrefs->zoomLevels->PopAt(0);
}
while (gGlobalPrefs->zoomLevels->Count() > 0 &&
gGlobalPrefs->zoomLevels->Last() > ZOOM_MAX) {
gGlobalPrefs->zoomLevels->Pop();
}
// TODO: verify that all states have a non-NULL file path?
gFileHistory.UpdateStatesSource(gGlobalPrefs->fileStates);
SetDefaultEbookFont(gGlobalPrefs->ebookUI.fontName, gGlobalPrefs->ebookUI.fontSize);
if (!file::Exists(path))
Save();
return true;
}
// refresh the preferences when a different SumatraPDF process saves them
// or if they are edited by the user using a text editor
bool Reload()
{
ScopedMem<WCHAR> path(GetSettingsPath());
if (!file::Exists(path))
return false;
// make sure that the settings file is readable - else wait
// a short while to prevent accidental dataloss
int tryAgainCount = 5;
HANDLE h = file::OpenReadOnly(path);
while (INVALID_HANDLE_VALUE == h && tryAgainCount-- > 0) {
Sleep(200);
h = file::OpenReadOnly(path);
}
if (INVALID_HANDLE_VALUE == h) {
// prefer not reloading to resetting all settings
return false;
}
ScopedHandle hScope(h);
FILETIME time = file::GetModificationTime(path);
if (FileTimeEq(time, gGlobalPrefs->lastPrefUpdate))
return true;
ScopedMem<char> uiLanguage(str::Dup(gGlobalPrefs->uiLanguage));
bool showToolbar = gGlobalPrefs->showToolbar;
bool invertColors = gGlobalPrefs->fixedPageUI.invertColors;
gFileHistory.UpdateStatesSource(NULL);
CleanUp();
bool ok = Load();
CrashAlwaysIf(!ok || !gGlobalPrefs);
gGlobalPrefs->fixedPageUI.invertColors = invertColors;
// TODO: about window doesn't have to be at position 0
if (gWindows.Count() > 0 && gWindows.At(0)->IsAboutWindow()) {
gWindows.At(0)->DeleteInfotip();
gWindows.At(0)->staticLinks.Reset();
gWindows.At(0)->RedrawAll(true);
}
if (!str::Eq(uiLanguage, gGlobalPrefs->uiLanguage))
SetCurrentLanguageAndRefreshUi(gGlobalPrefs->uiLanguage);
if (gGlobalPrefs->showToolbar != showToolbar)
ShowOrHideToolbarGlobally();
UpdateDocumentColors();
UpdateFavoritesTreeForAllWindows();
return true;
}
// Select random files to test. We want to test each file type equally, so
// we first group them by file extension and then select up to maxPerType
// for each extension, randomly, and inter-leave the files with different
// extensions, so their testing is evenly distributed.
// Returns result in <files>.
static void RandomizeFiles(WStrVec& files, int maxPerType)
{
WStrVec fileExts;
Vec<WStrVec *> filesPerType;
for (size_t i = 0; i < files.Count(); i++) {
const WCHAR *file = files.At(i);
const WCHAR *ext = path::GetExt(file);
CrashAlwaysIf(!ext);
int typeNo = fileExts.FindI(ext);
if (-1 == typeNo) {
fileExts.Append(str::Dup(ext));
filesPerType.Append(new WStrVec());
typeNo = (int)filesPerType.Count() - 1;
}
filesPerType.At(typeNo)->Append(str::Dup(file));
}
for (size_t j = 0; j < filesPerType.Count(); j++) {
WStrVec *all = filesPerType.At(j);
WStrVec *random = new WStrVec();
for (int n = 0; n < maxPerType && all->Count() > 0; n++) {
int idx = rand() % all->Count();
WCHAR *file = all->At(idx);
random->Append(file);
all->RemoveAtFast(idx);
}
filesPerType.At(j) = random;
delete all;
}
files.Reset();
bool gotAll = false;
while (!gotAll) {
gotAll = true;
for (size_t j = 0; j < filesPerType.Count(); j++) {
WStrVec *random = filesPerType.At(j);
if (random->Count() > 0) {
gotAll = false;
WCHAR *file = random->At(0);
files.Append(file);
random->RemoveAtFast(0);
}
}
}
for (size_t j = 0; j < filesPerType.Count(); j++) {
delete filesPerType.At(j);
}
}
Simple *DeserializeSimple(const uint8_t *data, int dataLen, bool *usedDefaultOut)
{
void *res = NULL;
res = Deserialize(data, dataLen, SimpleVersion, &gSimpleMetadata);
if (res) {
*usedDefaultOut = false;
return (Simple*)res;
}
res = Deserialize(&gSimpleDefault[0], sizeof(gSimpleDefault), SimpleVersion, &gSimpleMetadata);
CrashAlwaysIf(!res);
*usedDefaultOut = true;
return (Simple*)res;
}
static void BenchMD5Size(void *data, size_t dataSize, char *desc)
{
unsigned char d1[16], d2[16];
Timer t1;
CalcMD5Digest((unsigned char*)data, dataSize, d1);
double dur1 = t1.GetTimeInMs();
Timer t2;
CalcMD5DigestWin(data, dataSize, d2);
bool same = memeq(d1, d2, 16);
CrashAlwaysIf(!same);
double dur2 = t2.GetTimeInMs();
double diff = dur1 - dur2;
printf("%s\nCalcMD5Digest : %f ms\nCalcMD5DigestWin: %f ms\ndiff: %f\n", desc, dur1, dur2, diff);
}
static void MobiSaveHtml(const WCHAR *filePathBase, MobiDoc *mb)
{
CrashAlwaysIf(!gSaveHtml);
ScopedMem<WCHAR> outFile(str::Join(filePathBase, L"_pp.html"));
size_t htmlLen;
const char *html = mb->GetHtmlData(htmlLen);
size_t ppHtmlLen;
char *ppHtml = PrettyPrintHtml(html, htmlLen, ppHtmlLen);
file::WriteAll(outFile.Get(), ppHtml, ppHtmlLen);
outFile.Set(str::Join(filePathBase, L".html"));
file::WriteAll(outFile.Get(), html, htmlLen);
}
static void RemoveWatchedDirIfNotReferenced(WatchedDir *wd)
{
if (IsWatchedDirReferenced(wd))
return;
WatchedDir **currPtr = &g_firstDir;
WatchedDir *curr;
for (;;) {
curr = *currPtr;
CrashAlwaysIf(!curr);
if (curr == wd)
break;
currPtr = &(curr->next);
}
WatchedDir *toRemove = curr;
*currPtr = toRemove->next;
DeleteWatchedDir(toRemove);
}
static void RemoveWatchedFile(WatchedFile *wf)
{
WatchedDir *wd = wf->watchedDir;
WatchedFile **currPtr = &g_firstFile;
WatchedFile *curr;
for (;;) {
curr = *currPtr;
CrashAlwaysIf(!curr);
if (curr == wf)
break;
currPtr = &(curr->next);
}
WatchedFile *toRemove = curr;
*currPtr = toRemove->next;
DeleteWatchedFile(toRemove);
RemoveWatchedDirIfNotReferenced(wd);
}
// Should be called from WM_PAINT. Recursively paints a given window and
// all its children. Control must be the top-level window associated
// with HWND.
// Note: maybe should be split into BeginPaint()/Paint()/EndPaint()
// calls so that the caller can do more drawing after Paint()
void Painter::Paint(HWND hwnd, bool isDirty)
{
CrashAlwaysIf(hwnd != wnd->hwndParent);
PAINTSTRUCT ps;
HDC dc = BeginPaint(hwnd, &ps);
Region clip;
// TODO: be intelligent about only repainting changed
// parts for perf. Note: if cacheBmp changes, we need
// to repaint everything
Graphics gDC(dc);
gDC.GetClip(&clip);
ClientRect r(hwnd);
// TODO: fix showing black parts when resizing a window.
// my theory is that we see black background on right/bottom
// of the window when we resize the window because the os paints
// it black and we take too long to perform the whole paint so the
// black part persists long enough for human eye to notice.
// To fix that we could try to paint the black part immediately
// to gDC using the same color as the background. This is problematic
// for two reasons:
// - I don't know which part exactly needs to be repainted
// - it can be tricky if background is a gradient
// I thought I could just do PaintBackground(&gDC, Rect(0, 0, r.dx, r.dy))
// but that generates flickr which leads me to believe that either
// Graphics::FillRectangle() ignores clip region or clip region is not set
// properly. Current solution detects a resize, paints a background and the
// last version of page, which somewhat eliminates the problem but also
// sometimes causes flickr
// See http://www.catch22.net/tuts/flicker for info on win repainting
if (cacheBmp && !sizeDuringLastPaint.Equals(Size(r.dx, r.dy))) {
PaintBackground(&gDC, Rect(0, 0, r.dx, r.dy));
gDC.DrawImage(cacheBmp, 0, 0);
sizeDuringLastPaint = Size(r.dx, r.dy);
}
if (BitmapNotBigEnough(cacheBmp, r.dx, r.dy)) {
::delete cacheBmp;
cacheBmp = ::new Bitmap(r.dx, r.dy, &gDC);
isDirty = true;
}
//TODO: log clipBounds for debugging
//Rect clipBounds;
//clip.GetBounds(&cliBounds)
// draw to a bitmap cache unless we were asked to skip
// this step and just blit cached bitmap because the caller
// knows it didn't change
if (isDirty) {
Graphics g((Image*)cacheBmp);
InitGraphicsMode(&g);
g.SetClip(&clip, CombineModeReplace);
PaintBackground(&g, Rect(0, 0, r.dx, r.dy));
PaintWindowsInZOrder(&g, wnd);
}
// TODO: try to manually draw only the part that falls within
// clipBounds or is it done automatically by DrawImage() ?
gDC.DrawImage(cacheBmp, 0, 0);
EndPaint(hwnd, &ps);
}