pjs/mailnews/mapi/old/mapi32/mapiutl.cpp

900 строки
17 KiB
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//
// Various utils needed for the MAPI functions
// Written by: Rich Pizzarro (rhp@netscape.com)
// November 1997
//
#include <windows.h>
#include <time.h>
#include <sys/stat.h>
#include <io.h>
#include "xpapi.h"
#include "trace.h"
#include "mapiipc.h"
#include "mapiutl.h"
//
// Global variables
//
BOOL gLoggingEnabled = FALSE;
void
SetLoggingEnabled(BOOL val)
{
gLoggingEnabled = val;
}
// Log File
void
LogString(LPCSTR pStr1)
{
// Off of the declaration line...
LPCSTR pStr2 = NULL;
BOOL useStr1 = TRUE;
if (gLoggingEnabled)
{
char tempPath[_MAX_PATH] = "";
if (getenv("TEMP"))
{
lstrcpy((LPSTR) tempPath, getenv("TEMP")); // environmental variable
}
int len = lstrlen(tempPath);
if ((len > 1) && tempPath[len - 1] != '\\')
{
lstrcat(tempPath, "\\");
}
lstrcat(tempPath, szMapiLog);
HFILE hFile = _lopen(tempPath, OF_WRITE);
if (hFile == HFILE_ERROR)
{
hFile = _lcreat(tempPath, 0);
}
if (hFile != HFILE_ERROR)
{
_llseek(hFile, 0, SEEK_END); // seek to the end of the file
LPCSTR pTemp = useStr1 ? pStr1 : pStr2;
_lwrite(hFile, pTemp, lstrlen(pTemp));
_lclose(hFile);
}
}
}
//
// Find Communicator and return an HWND, if not, start Communicator,
// then find an HWND
//
HWND
GetCommunicatorIPCWindow(void)
{
HWND hWnd = NULL;
DWORD timeCount = 0;
BOOL launchTry = FALSE;
//
// This will wait for 10 seconds before giving up and failing
//
while ((hWnd == NULL) && (timeCount < 20))
{
if ((hWnd = FindWindow("AfxFrameOrView", NULL)) && !FindWindow("aHiddenFrameClass", NULL))
return(hWnd);
else if ((hWnd = FindWindow("aHiddenFrameClass", NULL)))
return(hWnd);
if (!launchTry)
{
char szPath[_MAX_PATH] = "";
DWORD nMAPIERROR;
if ((nMAPIERROR = XP_GetInstallLocation(szPath, _MAX_PATH)) != SUCCESS_SUCCESS)
{
return(NULL);
}
WORD nReturn = XP_CallProcess(szPath, " -MAPICLIENT");
launchTry = TRUE;
}
//
// Pause for 1/2 a second and try to connect again...
//
#ifdef WIN32
Sleep(500);
#else
Yield();
#endif
timeCount++;
}
return(hWnd);
}
void
BuildMemName(LPSTR name, ULONG winSeed)
{
static DWORD id = 0;
if (id == 0)
{
// Seed the random-number generator with current time so that
// the numbers will be different every time we run.
srand( (unsigned)time( NULL ) );
id = rand();
}
wsprintf(name, "MAPI_IPC_SMEM-%d", (winSeed + id++));
TRACE("Shared Memory Name = [%s]\n", name);
}
DWORD
ValidateFile(LPCSTR szFile)
{
struct _stat buf;
int result;
result = _stat( szFile, &buf );
if (result != 0)
return(1);
if (!(buf.st_mode & S_IREAD))
return(2);
return(0);
}
//
// return of zero is ok
// 1 = MAPI_E_ATTACHMENT_NOT_FOUND
// 2 = MAPI_E_ATTACHMENT_OPEN_FAILURE
//
DWORD
SanityCheckAttachmentFiles(lpMapiMessage lpMessage)
{
ULONG i;
DWORD rc;
for (i=0; i<lpMessage->nFileCount; i++)
{
if ((rc = ValidateFile(lpMessage->lpFiles[i].lpszPathName)) != 0)
{
return(rc);
}
}
return(0);
}
DWORD
GetFileCount(LPSTR pFiles, LPSTR delimChar)
{
DWORD count = 1;
if ((!pFiles) || (!*pFiles))
return(0);
for (DWORD i=0; i<strlen(pFiles); i++)
{
if (pFiles[i] == delimChar[0])
{
++count;
}
}
return(count);
}
//
// Extract a filename from a string
// Return TRUE if file found, else FALSE
//
BOOL
ExtractFile(LPSTR pFiles, LPSTR delimChar, DWORD fIndex, LPSTR fName)
{
LPSTR ptr = pFiles;
DWORD loc;
DWORD count = 0;
if ((!pFiles) || (!*pFiles))
return(0);
// Get to the fIndex'th entry
for (loc=0; loc<strlen(pFiles); loc++)
{
if (count == fIndex)
break;
if (pFiles[loc] == delimChar[0])
count++;
}
if (loc >= strlen(pFiles)) // Got to the end of string!
return(FALSE);
lstrcpy(fName, (LPSTR)pFiles + loc);
//
// Truncate at 2nd delimiter
//
for (DWORD i=0; i<strlen(fName); i++)
{
if (fName[i] == delimChar[0])
{
fName[i] = '\0';
break;
}
}
return(TRUE);
}
ULONG
GetFileSize(LPSTR fName)
{
struct _stat buf;
int result;
result = _stat( fName, &buf );
if (result != 0)
return(0);
return(buf.st_size);
}
LPVOID
LoadBlobToMemory(LPSTR fName)
{
UCHAR *ptr = NULL;
ULONG bufSize = GetFileSize(fName);
if (bufSize == 0)
{
_unlink(fName);
return(NULL);
}
ptr = (UCHAR *)malloc( (size_t) bufSize);
if (!ptr)
{
_unlink(fName);
return(NULL);
}
HFILE hFile = _lopen(fName, OF_READ);
if (hFile == HFILE_ERROR)
{
_unlink(fName);
free(ptr);
return(NULL);
}
UINT numRead = _lread(hFile, ptr, (size_t) bufSize);
_lclose(hFile);
if (numRead != bufSize)
{
_unlink(fName);
free(ptr);
return(NULL);
}
_unlink(fName);
return(ptr);
}
LONG
WriteMemoryBufferToDisk(LPSTR fName, LONG bufSize, LPSTR buf)
{
if (!buf)
{
return(-1);
}
HFILE hFile = _lcreat(fName, 0);
if (hFile == HFILE_ERROR)
{
return(-1);
}
LONG writeCount = _lwrite(hFile, buf, (size_t) bufSize);
_lclose(hFile);
if (writeCount != bufSize)
{
_unlink(fName);
return(-1);
}
return(0);
}
LPSTR
GetTheTempDirectoryOnTheSystem(void)
{
static UCHAR retPath[_MAX_PATH];
if (getenv("TEMP"))
{
lstrcpy((LPSTR) retPath, getenv("TEMP")); // environmental variable
}
else if (getenv("TMP"))
{
lstrcpy((LPSTR) retPath, getenv("TMP")); // How about this environmental variable?
}
else
{
GetWindowsDirectory((LPSTR) retPath, sizeof(retPath));
}
return((LPSTR) &(retPath[0]));
}
#ifdef WIN16
int WINAPI EXPORT ISGetTempFileName(LPCSTR a_pDummyPath, LPCSTR a_pPrefix, UINT a_uUnique, LPSTR a_pResultName)
{
#ifdef GetTempFileName // we need the real thing comming up next...
#undef GetTempFileName
#endif
return GetTempFileName(0, a_pPrefix, a_uUnique, a_pResultName);
}
#endif
LONG
GetTempAttachmentName(LPSTR fName)
{
UINT res;
static UINT uUnique = 1;
if (!fName)
return(-1);
LPSTR szTempPath = GetTheTempDirectoryOnTheSystem();
TRYAGAIN:
#ifdef WIN32
res = GetTempFileName(szTempPath, "MAPI", uUnique++, fName);
#else
res = ISGetTempFileName(szTempPath, "MAPI", uUnique++, fName);
#endif
if (ValidateFile(fName) != 1)
{
if (uUnique < 32000)
{
goto TRYAGAIN;
}
else
{
return(-1);
}
}
return 0;
}
// RICHIE - strip all of the HTML stuff out of the message...
int
CheckForInlineHTML(char *noteBody, DWORD len, DWORD *curPos, char *newBody, DWORD *realLen)
{
LPSTR tags[] = {"&nbsp;", "&lt;", "&amp;", NULL};
UCHAR tagsSubst[] = {' ', '<', '&', NULL};
int x = 0;
while (tags[x])
{
// should we check for first tag
if ( (*curPos+strlen(tags[x])) < len)
{
if (strncmp(tags[x], noteBody, strlen(tags[x])) == 0)
{
*curPos += strlen(tags[x]) - 1;
newBody[*realLen] = tagsSubst[x];
*realLen += 1;
return(-1);
}
}
++x;
}
return(0);
}
//
// RICHIE - This is also temporary fix for now...
//
LPSTR
StripSignedMessage(LPSTR noteText, DWORD totalCR)
{
char *newBuf;
LPSTR startTag = "<HTML>";
LPSTR endTag = "/HTML>";
DWORD i;
DWORD realLen = 0;
DWORD startPos = 0;
DWORD len = strlen(noteText);
// create a new buffer...
newBuf = (char *) malloc((size_t)(len + totalCR));
if (!newBuf)
return(noteText);
newBuf[0] = '\0';
// First, find the start of the HTML for the message...
for (i=0; i<len; i++)
{
// should we check for first tag
if ( (i+strlen(startTag)) < len)
{
if (strncmp(startTag, (noteText + i), strlen(startTag)) == 0)
{
startPos = i + strlen(startTag);
break;
}
}
}
// Didn't find any HTML start tag
if (i == len)
return(noteText);
BOOL inHTML = FALSE;
BOOL firstChar = FALSE;
for (i=startPos; i<len; i++)
{
char *ptr = (noteText + i);
if ( ((*ptr == 0x0D) || (*ptr == 0x20)) && (!firstChar) )
continue;
else
firstChar = TRUE;
// First, check for the end /HTML> tag
if ( (i+strlen(endTag)) < len)
{
if (strncmp(endTag, ptr, strlen(endTag)) == 0)
{
break;
}
}
// If we are in HTML, check for a ">"...
if (inHTML)
{
if (*ptr == '>')
{
inHTML = FALSE;
}
continue;
}
// Check for NEW HTML...
if (*ptr == '<')
{
inHTML = TRUE;
continue;
}
if (CheckForInlineHTML(ptr, len, &i, newBuf, &realLen))
continue;
newBuf[realLen++] = *ptr;
// Tack on a line feed if we hit a CR...
if ( *ptr == 0x0D )
{
newBuf[realLen++] = 0x0A;
}
}
// terminate the buffer - reallocate and move on...
newBuf[realLen++] = '\0';
newBuf = (LPSTR) realloc(newBuf, (size_t) realLen);
// check if the realloc worked and if so, free old memory and
// return...if not, just return the original buffer
if (!newBuf)
{
return(noteText);
}
else
{
free(noteText);
return(newBuf);
}
}
//
// RICHIE - this is a temporary fix for now to get rid of
// html stuff within the text of a message - if there was a
// valid noteText buffer coming into this call, we need to
// free it on the way out.
//
LPSTR
StripHTML(LPSTR noteText)
{
char *newBuf;
LPSTR signTag = "This is a cryptographically signed message in MIME format.";
LPSTR mimeTag = "This is a multi-part message in MIME format.";
DWORD i;
DWORD realLen = 0;
DWORD totalCR = 0;
// do sanity checking...
if ((!noteText) || (!(*noteText)))
return(noteText);
// more sanity checking...
DWORD len = strlen(noteText) + 1;
if (len <= 0)
return(noteText);
// Get the number of CR's in this message and add room for
// the LF's
for (i=0; i<len; i++)
{
if ( (*(noteText + i)) == 0x0D )
++totalCR;
}
// This is a check for a signed message in the start of a message
// check for sign line...
if ( strlen(signTag) < len)
{
if (
(strncmp(signTag, noteText, strlen(signTag)) == 0) ||
(strncmp(mimeTag, noteText, strlen(mimeTag)) == 0)
)
{
return( StripSignedMessage(noteText, totalCR) );
}
}
// create a new buffer...
newBuf = (char *) malloc((size_t)(len + totalCR));
if (!newBuf)
return(noteText);
newBuf[0] = '\0';
BOOL firstChar = FALSE;
// Now do the translation for the body of the note...
for (i=0; i<len; i++)
{
char *ptr = (noteText + i);
if ( ((*ptr == 0x0D) || (*ptr == 0x20)) && (!firstChar) )
continue;
else
firstChar = TRUE;
if (CheckForInlineHTML(ptr, len, &i, newBuf, &realLen))
continue;
newBuf[realLen++] = *ptr;
if ( *ptr == 0x0D )
{
newBuf[realLen++] = 0x0A;
}
}
// terminate the buffer - reallocate and move on...
newBuf[realLen++] = '\0';
newBuf = (LPSTR) realloc(newBuf, (size_t) realLen);
// check if the realloc worked and if so, free old memory and
// return...if not, just return the original buffer
if (!newBuf)
{
return(noteText);
}
else
{
free(noteText);
return(newBuf);
}
}
#ifdef WIN16
void
GetWin16TempName(LPSTR realFileName, LPSTR tempPath,
LPSTR szTempFileName, UINT uUnique)
{
char *dotPtr = strrchr(realFileName, '.');
if (dotPtr != NULL)
{
*dotPtr = '\0';
}
int nameLen = lstrlen(realFileName);
if (dotPtr != NULL)
{
*dotPtr = '.';
}
if (nameLen <= 7)
{
wsprintf(szTempFileName, "%s\\%d%s", tempPath, uUnique, realFileName);
}
else
{
wsprintf(szTempFileName, "%s\\%d%s", tempPath, uUnique, (realFileName + 1));
}
}
#endif
#define MAXTRY 9999 // How many times do we try..
UINT
GetTempMailNameWithExtension(LPSTR szTempFileName,
LPSTR origName)
{
UINT res = 1;
UINT uUnique = 0;
char *szTempPath = GetTheTempDirectoryOnTheSystem();
char *tmpPtr;
char *realFileName = NULL;
if ( (origName != NULL) && (*origName != '\0') )
{
tmpPtr = origName;
}
else
{
tmpPtr = szTempFileName;
}
realFileName = strrchr(tmpPtr, '\\');
if (!realFileName)
realFileName = tmpPtr;
else
realFileName++;
TRYAGAIN:
#ifdef WIN32
if (uUnique == 0)
{
wsprintf(szTempFileName, "%s\\%s", szTempPath, realFileName);
}
else
{
wsprintf(szTempFileName, "%s\\%d_%s",
szTempPath, uUnique, realFileName);
}
#else // WIN16
if ( (uUnique == 0) && (strlen(realFileName) <= 12) )
{
wsprintf(szTempFileName, "%s\\%s", szTempPath, realFileName);
}
else
{
if (uUnique < 10)
{
GetWin16TempName(realFileName, szTempPath, szTempFileName, uUnique);
}
else
{
res = ISGetTempFileName(szTempPath, "ns", uUnique++, szTempFileName);
}
// Now add the correct extension...
char *origExt = strrchr(realFileName, '.');
if (origExt != NULL)
{
char *tmpExt = strrchr(szTempFileName, '.');
if (tmpExt != NULL)
{
origExt++;
tmpExt++;
while ( ((tmpExt) && (origExt)) && (*origExt != '\0') )
{
*tmpExt = *origExt;
tmpExt++;
origExt++;
}
*tmpExt = '\0';
}
}
}
#endif
if ( (ValidateFile(szTempFileName) != 1) && (uUnique < MAXTRY) )
{
uUnique++;
if (uUnique >= MAXTRY)
return(1);
goto TRYAGAIN;
}
return res;
}
#define kMaxTempFiles 10
#define kMaxListLength (10 * _MAX_PATH)
void GetTempFiles(LPSTR pBuf, int lenBuf)
{
if (!GetConfigInfoStr(szMapiSection, szTempFiles, pBuf, lenBuf, HKEY_ROOT))
{
*pBuf = 0;
}
}
void WriteTempFiles(LPSTR pBuf)
{
SetConfigInfoStr(szMapiSection, szTempFiles, pBuf, HKEY_ROOT);
}
void AddTempFile(LPCSTR pFileName)
{
if ( (!pFileName) || (pFileName[0] == '\0') )
return;
char *files = (char *)malloc(kMaxListLength);
if (!files)
return;
GetTempFiles(files, kMaxListLength);
if ((lstrlen(files) + lstrlen(pFileName) + 2) >= kMaxListLength)
{
free(files);
return;
}
if (lstrlen(files) != 0)
{
lstrcat(files, ";");
}
lstrcat(files, pFileName);
WriteTempFiles(files);
free(files);
}
void DeleteFirstTempFile(LPSTR pFiles)
{
if (!*pFiles)
return;
LPSTR pTemp = strchr(pFiles, ';');
if (pTemp)
{
*pTemp = 0;
}
//#ifndef _DEBUG
_unlink(pFiles);
//#endif
if (pTemp)
{
memmove(pFiles, pTemp + 1, lstrlen(pTemp + 1) + 1);
}
else
{
*pFiles = 0;
}
}
void
RemoveAllTempFiles(void)
{
char *files = (char *)malloc(kMaxListLength);
if (!files)
return;
GetTempFiles(files, kMaxListLength);
while (*files)
{
DeleteFirstTempFile(files);
}
WriteTempFiles(files);
free(files);
}
void CheckAgeTempFiles(void)
{
char *files = (char *)malloc(kMaxListLength);
if (!files)
return;
GetTempFiles(files, kMaxListLength);
int i = 0;
LPSTR pTemp = files;
while (TRUE)
{
pTemp = strchr(pTemp, ';');
if (!pTemp)
break;
++pTemp;
++i;
}
if (i >= 10)
{
DeleteFirstTempFile(files);
WriteTempFiles(files);
}
free(files);
}
void
CleanupMAPITempFiles(void)
{
if (Is_16_OR_32_BIT_CommunitorRunning() == 0)
{
RemoveAllTempFiles(); // if Communicator not running, clean up all the temp files
}
else
{
CheckAgeTempFiles();
}
}
void *
CleanMalloc(size_t mallocSize)
{
void *ptr = malloc(mallocSize);
if (!ptr)
return(NULL);
memset(ptr, 0, mallocSize);
return(ptr);
}
void
SafeFree(void *ptr)
{
if (!ptr)
return;
free(ptr);
ptr = NULL;
}