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374 lines
9.8 KiB
374 lines
9.8 KiB
/*-------------------------------------------------------*/
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//Copyright (c) 1997 Microsoft Corporation
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//
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// Util.cpp
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//
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//Author:
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//
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//
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//Environment:
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//
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// User Mode - Win32
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//
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//Revision History:
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/*-------------------------------------------------------*/
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#include "urltrk.h"
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#include <inetreg.h>
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const CHAR c_szLogFormat[] = "hh':'mm':'ss";
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const CHAR c_szMode[] = "U"; // unknown
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const CHAR c_szLogContainerA[] = "Log";
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#define MY_CACHE_ENTRY_INFO_SIZE 512
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#define MY_MAX_STRING_LEN 512
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BOOL ConvertToPrefixedURL(LPCSTR lpszUrl, LPSTR *lplpPrefixedUrl);
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LPINTERNET_CACHE_ENTRY_INFOA QueryCacheEntry(LPCSTR lpUrl);
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HANDLE GetLogFile(LPCSTR lpUrl, LPINTERNET_CACHE_ENTRY_INFOA pce, LPSTR lpFile);
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LPSTR GetLogString(LPMY_LOGGING_INFO lpLogInfo);
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ULONG _IsLoggingEnabled(LPCSTR pszUrl)
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{
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LPINTERNET_CACHE_ENTRY_INFOA pce;
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LPSTR lpPfxUrl = NULL;
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ULONG dwTrack;
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//
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ConvertToPrefixedURL(pszUrl, &lpPfxUrl);
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if (!lpPfxUrl)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return 0;
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}
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pce = QueryCacheEntry(lpPfxUrl);
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if (!pce)
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{
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GlobalFree(lpPfxUrl);
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SetLastError(ERROR_FILE_NOT_FOUND);
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return 0;
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}
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dwTrack = pce->CacheEntryType;
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GlobalFree(pce);
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GlobalFree(lpPfxUrl);
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return dwTrack;
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}
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BOOL _WriteHitLogging(LPMY_LOGGING_INFO pmLi)
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{
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LPSTR lpLogString = NULL;
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LPSTR lpPfxUrl = NULL;
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LPINTERNET_CACHE_ENTRY_INFOA pce = NULL;
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HANDLE hFile;
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CHAR lpFile[MAX_PATH];
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DWORD dwWritten = 0;
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BOOL fuseCache;
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BOOL bRet = FALSE;
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//
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ConvertToPrefixedURL(pmLi->pLogInfo->lpszLoggedUrlName, &lpPfxUrl);
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if (!lpPfxUrl)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return bRet;
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}
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pce = QueryCacheEntry(lpPfxUrl);
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if (!pce)
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{
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GlobalFree(lpPfxUrl);
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SetLastError(ERROR_FILE_NOT_FOUND);
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return bRet;
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}
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hFile = GetLogFile(lpPfxUrl, pce, &lpFile[0]);
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if (hFile == NULL)
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{
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GlobalFree(lpPfxUrl);
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GlobalFree(pce);
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SetLastError(ERROR_FILE_NOT_FOUND);
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return bRet;
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}
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pmLi->fuseCache = GetUrlCacheEntryInfoExA(pmLi->pLogInfo->lpszLoggedUrlName, NULL, NULL, NULL, NULL, NULL, 0);
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lpLogString = GetLogString(pmLi);
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if (!lpLogString)
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{
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GlobalFree(lpPfxUrl);
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GlobalFree(pce);
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CloseHandle(hFile);
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return bRet;
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}
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bRet = WriteFile(hFile, lpLogString, lstrlenA(lpLogString), &dwWritten, NULL);
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CloseHandle(hFile);
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GlobalFree(lpLogString);
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// commit change to cache
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if(bRet)
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{
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bRet = CommitUrlCacheEntry(lpPfxUrl,
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lpFile, //
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pce->ExpireTime, //ExpireTime
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pce->LastModifiedTime, //LastModifiedTime
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pce->CacheEntryType,
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NULL, //lpHeaderInfo
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0, //dwHeaderSize
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NULL, //lpszFileExtension
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0); //reserved
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}
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// free pce
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GlobalFree(pce);
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GlobalFree(lpPfxUrl);
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return bRet;
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}
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BOOL IsGlobalOffline(void)
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{
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DWORD dwState = 0, dwSize = sizeof(DWORD);
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BOOL fRet = FALSE;
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#ifdef _SBS_
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HMODULE hModuleHandle = GetModuleHandleA("sbswinet.dll");
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#else
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HMODULE hModuleHandle = GetModuleHandleA("wininet.dll");
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#endif // _SBS_
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if(!hModuleHandle)
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return FALSE;
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if(InternetQueryOptionA(NULL, INTERNET_OPTION_CONNECTED_STATE, &dwState,
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&dwSize))
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{
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if(dwState & INTERNET_STATE_DISCONNECTED_BY_USER)
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fRet = TRUE;
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}
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return fRet;
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}
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//
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// Helper Functions
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//
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LPSTR GetLogString(LPMY_LOGGING_INFO pmLi)
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{
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FILETIME ftIn, ftOut;
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ULARGE_INTEGER ulIn, ulOut, ulTotal;
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SYSTEMTIME stIn, stOut;
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LPSTR lpData = NULL;
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CHAR pTimeIn[10], pTimeOut[10];
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lpData = (LPSTR)GlobalAlloc(LPTR, lstrlenA(pmLi->pLogInfo->lpszExtendedInfo)+MY_MAX_STRING_LEN);
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if (!lpData)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return NULL;
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}
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// calculate delta of time
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SystemTimeToFileTime(&(pmLi->pLogInfo->StartTime), &ftIn);
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SystemTimeToFileTime(&(pmLi->pLogInfo->EndTime), &ftOut);
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ulIn.LowPart = ftIn.dwLowDateTime;
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ulIn.HighPart = ftIn.dwHighDateTime;
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ulOut.LowPart = ftOut.dwLowDateTime;
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ulOut.HighPart = ftOut.dwHighDateTime;
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#ifndef unix
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ulTotal.QuadPart = ulOut.QuadPart - ulIn.QuadPart;
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#else
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U_QUAD_PART(ulTotal) = U_QUAD_PART(ulOut) - U_QUAD_PART(ulIn);
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#endif /* unix */
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ftOut.dwLowDateTime = ulTotal.LowPart;
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ftOut.dwHighDateTime = ulTotal.HighPart;
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FileTimeToSystemTime(&ftOut, &stOut);
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stIn = pmLi->pLogInfo->StartTime;
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// log string: timeEnter+Duration
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GetTimeFormat(LOCALE_SYSTEM_DEFAULT, TIME_FORCE24HOURFORMAT, &stIn, c_szLogFormat, pTimeIn, 10);
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GetTimeFormat(LOCALE_SYSTEM_DEFAULT, TIME_FORCE24HOURFORMAT, &stOut, c_szLogFormat, pTimeOut, 10);
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if (!pmLi->pLogInfo->lpszExtendedInfo)
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{
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wsprintf(lpData, "%s %d %.2d-%.2d-%d %s %s\r\n", c_szMode,
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pmLi->fuseCache,
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stIn.wMonth, stIn.wDay, stIn.wYear,
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pTimeIn, pTimeOut);
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}
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else
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{
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wsprintf(lpData, "%s %d %.2d-%.2d-%d %s %s %s\r\n", c_szMode,
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pmLi->fuseCache,
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stIn.wMonth, stIn.wDay, stIn.wYear,
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pTimeIn, pTimeOut,
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pmLi->pLogInfo->lpszExtendedInfo);
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}
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return lpData;
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}
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LPSTR ReadTrackingPrefix(void)
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{
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LPSTR lpPfx = NULL;
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DWORD cbPfx = 0;
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struct {
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INTERNET_CACHE_CONTAINER_INFOA cInfo;
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CHAR szBuffer[MAX_PATH+INTERNET_MAX_URL_LENGTH+1];
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} ContainerInfo;
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DWORD dwModified, dwContainer;
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HANDLE hEnum;
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dwContainer = sizeof(ContainerInfo);
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hEnum = FindFirstUrlCacheContainerA(&dwModified,
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&ContainerInfo.cInfo,
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&dwContainer,
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0);
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if (hEnum)
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{
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for (;;)
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{
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if (!lstrcmpiA(ContainerInfo.cInfo.lpszName, c_szLogContainerA))
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{
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if (ContainerInfo.cInfo.lpszCachePrefix[0])
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{
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DWORD cb = lstrlenA(ContainerInfo.cInfo.lpszCachePrefix)+sizeof(CHAR);
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lpPfx = (LPSTR)GlobalAlloc(LPTR, cb);
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if (!lpPfx)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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break;
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}
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lstrcpynA(lpPfx, ContainerInfo.cInfo.lpszCachePrefix, cb);
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}
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break;
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}
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dwContainer = sizeof(ContainerInfo);
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if (!FindNextUrlCacheContainerA(hEnum, &ContainerInfo.cInfo, &dwContainer))
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{
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if (GetLastError() == ERROR_NO_MORE_ITEMS)
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break;
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}
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}
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FindCloseUrlCache(hEnum);
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}
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return lpPfx;
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}
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// caller must free lplpPrefixedUrl
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BOOL
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ConvertToPrefixedURL(LPCSTR lpszUrl, LPSTR *lplpPrefixedUrl)
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{
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BOOL bret = FALSE;
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LPTSTR lpPfx = NULL;
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if (!lpszUrl)
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return bret;
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lpPfx = ReadTrackingPrefix();
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if (lpPfx)
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{
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*lplpPrefixedUrl = (LPSTR)GlobalAlloc(LPTR, lstrlenA(lpszUrl)+lstrlenA(lpPfx)+1);
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if (*lplpPrefixedUrl)
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{
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wsprintf(*lplpPrefixedUrl, "%s%s", lpPfx, lpszUrl);
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bret = TRUE;
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}
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GlobalFree(lpPfx);
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}
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return bret;
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}
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LPINTERNET_CACHE_ENTRY_INFOA
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QueryCacheEntry(LPCSTR lpUrl)
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{
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// get cache entry info
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LPINTERNET_CACHE_ENTRY_INFOA lpCE = NULL;
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DWORD dwEntrySize;
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BOOL bret = FALSE;
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lpCE = (LPINTERNET_CACHE_ENTRY_INFOA)GlobalAlloc(LPTR, MY_CACHE_ENTRY_INFO_SIZE);
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if (lpCE)
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{
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dwEntrySize = MY_CACHE_ENTRY_INFO_SIZE;
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while (!(bret = GetUrlCacheEntryInfoA(lpUrl, lpCE, &dwEntrySize)))
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{
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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{
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GlobalFree(lpCE);
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lpCE = (LPINTERNET_CACHE_ENTRY_INFOA)GlobalAlloc(LPTR, dwEntrySize);
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if (!lpCE)
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break;
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}
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else
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break;
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}
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}
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if (!bret && lpCE)
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{
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GlobalFree(lpCE);
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lpCE = NULL;
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SetLastError(ERROR_FILE_NOT_FOUND);
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}
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return lpCE;
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}
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HANDLE GetLogFile(LPCSTR lpUrl, LPINTERNET_CACHE_ENTRY_INFOA pce, LPSTR lpFile)
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{
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HANDLE hFile = NULL;
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// work around -- begin
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if (!CreateUrlCacheEntry(lpUrl, 512, "log", lpFile, 0))
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return NULL;
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if (pce->lpszLocalFileName)
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{
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if (!CopyFile(pce->lpszLocalFileName, lpFile, FALSE))
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return NULL;
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DeleteFile(pce->lpszLocalFileName);
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}
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// work around -- end
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hFile = CreateFile(lpFile,
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GENERIC_WRITE,
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FILE_SHARE_READ,
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NULL,
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OPEN_ALWAYS,
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FILE_ATTRIBUTE_NORMAL, // | FILE_FLAG_SEQUENTIAL_SCAN,
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NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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return NULL;
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// move file pointer to end
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if (0xFFFFFFFF == SetFilePointer(hFile, 0, 0, FILE_END))
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{
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CloseHandle(hFile);
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hFile = NULL;
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}
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return hFile;
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}
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