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pjs/mailnews/import/oexpress/nsOEScanBoxes.cpp

810 строки
19 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsOEScanBoxes.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIImportService.h"
#include "nsIImportMailboxDescriptor.h"
#include "nsOERegUtil.h"
#include "nsOE5File.h"
#include "OEDebugLog.h"
/*
.nch file format???
offset 20 - long = offset to first record
*/
static NS_DEFINE_CID(kImportServiceCID, NS_IMPORTSERVICE_CID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsOEScanBoxes::nsOEScanBoxes()
{
m_pFirst = nsnull;
}
nsOEScanBoxes::~nsOEScanBoxes()
{
int max = m_entryArray.Count();
for (int i = 0; i < max; i++) {
MailboxEntry *pEntry = (MailboxEntry *) m_entryArray.ElementAt( i);
delete pEntry;
}
}
/*
3.x & 4.x registry
Software/Microsoft/Outlook Express/
5.0 registry
Identies - value of "Default User ID" is {GUID}
Identities/{GUID}/Software/Microsoft/Outlook Express/5.0/
*/
PRBool nsOEScanBoxes::Find50Mail( nsIFileSpec *pWhere)
{
nsresult rv;
PRBool success = PR_FALSE;
HKEY sKey;
if (::RegOpenKeyEx( HKEY_CURRENT_USER, "Identities", 0, KEY_QUERY_VALUE, &sKey) == ERROR_SUCCESS) {
BYTE * pBytes = nsOERegUtil::GetValueBytes( sKey, "Default User ID");
::RegCloseKey( sKey);
if (pBytes) {
nsCString key( "Identities\\");
key += (const char *)pBytes;
nsOERegUtil::FreeValueBytes( pBytes);
key += "\\Software\\Microsoft\\Outlook Express\\5.0";
if (::RegOpenKeyEx( HKEY_CURRENT_USER, key, 0, KEY_QUERY_VALUE, &sKey) == ERROR_SUCCESS) {
pBytes = nsOERegUtil::GetValueBytes( sKey, "Store Root");
if (pBytes) {
pWhere->SetNativePath((char *)pBytes);
nsOERegUtil::FreeValueBytes( pBytes);
PRBool isDir = PR_FALSE;
rv = pWhere->IsDirectory( &isDir);
if (isDir && NS_SUCCEEDED( rv))
success = PR_TRUE;
}
::RegCloseKey( sKey);
}
}
}
return( success);
}
PRBool nsOEScanBoxes::FindMail( nsIFileSpec *pWhere)
{
nsresult rv;
PRBool success = PR_FALSE;
HKEY sKey;
if (Find50Mail( pWhere))
return( PR_TRUE);
if (::RegOpenKeyEx( HKEY_CURRENT_USER, "Software\\Microsoft\\Outlook Express", 0, KEY_QUERY_VALUE, &sKey) == ERROR_SUCCESS) {
LPBYTE pBytes = nsOERegUtil::GetValueBytes( sKey, "Store Root");
if (pBytes) {
pWhere->SetNativePath((char *)pBytes);
pWhere->AppendRelativeUnixPath( "Mail");
PRBool isDir = PR_FALSE;
rv = pWhere->IsDirectory( &isDir);
if (isDir && NS_SUCCEEDED( rv))
success = PR_TRUE;
delete [] pBytes;
}
::RegCloseKey( sKey);
}
return( success);
}
PRBool nsOEScanBoxes::GetMailboxes( nsIFileSpec *pWhere, nsISupportsArray **pArray)
{
char *path = nsnull;
pWhere->GetNSPRPath( &path);
if (path) {
IMPORT_LOG1( "Looking for mail in: %s\n", path);
nsCRT::free( path);
}
else {
pWhere->GetLeafName( &path);
if (path) {
IMPORT_LOG1( "Looking for mail in: %s\n", path);
nsCRT::free( path);
}
else {
IMPORT_LOG0( "Unable to get info about where to look for mail\n");
}
}
nsIFileSpec *where;
if (NS_FAILED( NS_NewFileSpec( &where)))
return( PR_FALSE);
where->FromFileSpec( pWhere);
// 1. Look for 5.0 folders.dbx
// 2. Look for 3.x & 4.x folders.nch
// 3. Look for 5.0 *.dbx mailboxes
// 4. Look for 3.x & 4.x *.mbx mailboxes
PRBool result;
where->AppendRelativeUnixPath( "folders.dbx");
if (Find50MailBoxes( where)) {
where->CloseStream();
result = GetMailboxList( pWhere, pArray);
}
else {
// 2. Look for 4.x mailboxes
where->FromFileSpec( pWhere);
where->AppendRelativeUnixPath( "folders.nch");
if (FindMailBoxes( where)) {
where->CloseStream();
result = GetMailboxList( pWhere, pArray);
}
else {
// 3 & 4, look for the specific mailbox files.
where->CloseStream();
where->FromFileSpec( pWhere);
ScanMailboxDir( where);
result = GetMailboxList( pWhere, pArray);
}
}
where->Release();
return( result);
}
void nsOEScanBoxes::Reset( void)
{
int max = m_entryArray.Count();
for (int i = 0; i < max; i++) {
MailboxEntry *pEntry = (MailboxEntry *) m_entryArray.ElementAt( i);
delete pEntry;
}
m_entryArray.Clear();
m_pFirst = nsnull;
}
PRBool nsOEScanBoxes::FindMailBoxes( nsIFileSpec* descFile)
{
Reset();
nsresult rv;
PRBool isFile = PR_FALSE;
rv = descFile->IsFile( &isFile);
if (NS_FAILED( rv) || !isFile)
return( PR_FALSE);
rv = descFile->OpenStreamForReading();
if (NS_FAILED( rv))
return( PR_FALSE);
IMPORT_LOG0( "Reading the folders.nch file\n");
PRUint32 curRec;
if (!ReadLong( descFile, curRec, 20)) {
return( PR_FALSE);
}
// Now for each record
PRBool done = PR_FALSE;
PRUint32 equal;
PRUint32 size;
PRUint32 previous;
PRUint32 next;
MailboxEntry * pEntry;
PRBool failed;
nsCString ext;
nsCString mbxExt( ".mbx");
while (!done) {
if (!ReadLong( descFile, equal, curRec)) return( PR_FALSE);
if (curRec != equal) {
IMPORT_LOG1( "Record start invalid: %ld\n", curRec);
break;
}
if (!ReadLong( descFile, size, curRec + 4)) return( PR_FALSE);
if (!ReadLong( descFile, previous, curRec + 8)) return( PR_FALSE);
if (!ReadLong( descFile, next, curRec + 12)) return( PR_FALSE);
failed = PR_FALSE;
pEntry = new MailboxEntry;
if (!ReadLong( descFile, pEntry->index, curRec + 16)) failed = PR_TRUE;
if (!ReadString( descFile, pEntry->mailName, curRec + 20)) failed = PR_TRUE;
if (!ReadString( descFile, pEntry->fileName, curRec + 279)) failed = PR_TRUE;
if (!ReadLong( descFile, pEntry->parent, curRec + 539)) failed = PR_TRUE;
if (!ReadLong( descFile, pEntry->child, curRec + 543)) failed = PR_TRUE;
if (!ReadLong( descFile, pEntry->sibling, curRec + 547)) failed = PR_TRUE;
if (!ReadLong( descFile, pEntry->type, curRec + 551)) failed = PR_TRUE;
if (failed) {
delete pEntry;
return( PR_FALSE);
}
#ifdef _TRACE_MAILBOX_ENTRIES
IMPORT_LOG0( "------------\n");
IMPORT_LOG2( " Offset: %lx, index: %ld\n", curRec, pEntry->index);
IMPORT_LOG2( " previous: %lx, next: %lx\n", previous, next);
IMPORT_LOG2( " Name: %S, File: %s\n", (PRUnichar *) pEntry->mailName, (const char *) pEntry->fileName);
IMPORT_LOG3( " Parent: %ld, Child: %ld, Sibling: %ld\n", pEntry->parent, pEntry->child, pEntry->sibling);
#endif
pEntry->fileName.Right( ext, 4);
if (ext.Compare( mbxExt))
pEntry->fileName.Append( ".mbx");
m_entryArray.AppendElement( pEntry);
curRec = next;
if (!next)
done = PR_TRUE;
}
MailboxEntry *pZero = GetIndexEntry( 0);
if (pZero)
m_pFirst = GetIndexEntry( pZero->child);
IMPORT_LOG1( "Read the folders.nch file, found %ld mailboxes\n", (long) m_entryArray.Count());
return( PR_TRUE);
}
PRBool nsOEScanBoxes::Find50MailBoxes( nsIFileSpec* descFile)
{
Reset();
nsresult rv;
PRBool isFile = PR_FALSE;
rv = descFile->IsFile( &isFile);
if (NS_FAILED( rv) || !isFile)
return( PR_FALSE);
rv = descFile->OpenStreamForReading();
if (NS_FAILED( rv))
return( PR_FALSE);
IMPORT_LOG0( "Reading the folders.dbx file\n");
PRUint32 * pIndex;
PRUint32 indexSize = 0;
if (!nsOE5File::ReadIndex( descFile, &pIndex, &indexSize)) {
IMPORT_LOG0( "*** NOT USING FOLDERS.DBX!!!\n");
return( PR_FALSE);
}
PRUint32 marker;
PRUint32 size;
char * pBytes;
PRInt32 cntRead;
PRInt32 recordId;
PRInt32 strOffset;
PRUint8 tag;
PRUint32 data;
PRInt32 dataOffset;
PRUint32 id;
PRUint32 parent;
PRUint32 numMessages;
char * pFileName;
char * pDataSource;
MailboxEntry * pEntry;
MailboxEntry * pLastEntry = nsnull;
PRUint32 localStoreId = 0;
for (PRUint32 i = 0; i < indexSize; i++) {
if (!ReadLong( descFile, marker, pIndex[i])) continue;
if (marker != pIndex[i]) continue;
if (!ReadLong( descFile, size, pIndex[i] + 4)) continue;
size += 4;
pBytes = new char[size];
rv = descFile->Read( &pBytes, size, &cntRead);
if (NS_FAILED( rv) || ((PRUint32)cntRead != size)) {
delete [] pBytes;
continue;
}
recordId = pBytes[2];
strOffset = (recordId * 4) + 4;
if (recordId == 4)
strOffset += 4;
id = 0;
parent = 0;
numMessages = 0;
pFileName = nsnull;
pDataSource = nsnull;
dataOffset = 4;
while (dataOffset < strOffset) {
tag = (PRUint8) pBytes[dataOffset];
nsCRT::memcpy( &data, &(pBytes[dataOffset + 1]), 3);
switch( tag) {
case 0x80: // id record
id = data;
break;
case 0x81: // parent id
parent = data;
break;
case 0x87: // number of messages in this mailbox
numMessages = data;
break;
case 0x03: // file name for this mailbox
if (((PRUint32)strOffset + data) < size)
pFileName = (char *)(pBytes + strOffset + data);
break;
case 0x05: // data source for this record (this is not a mailbox!)
if (((PRUint32)strOffset + data) < size)
pDataSource = (char *) (pBytes + strOffset + data);
break;
}
dataOffset += 4;
}
// now build an entry if necessary!
if (pDataSource) {
if (!nsCRT::strcasecmp( pDataSource, "LocalStore"))
localStoreId = id;
}
else if (id && localStoreId && parent) {
// veryify that this mailbox is in the local store
data = parent;
while (data && (data != localStoreId)) {
pEntry = GetIndexEntry( data);
if (pEntry)
data = pEntry->parent;
else
data = 0;
}
if (data == localStoreId) {
// Create an entry for this bugger
pEntry = new MailboxEntry();
pEntry->index = id;
pEntry->parent = parent;
pEntry->child = 0;
pEntry->type = 0;
pEntry->sibling = -1;
pEntry->mailName = (const char *) (pBytes + strOffset);
if (pFileName)
pEntry->fileName = pFileName;
AddChildEntry( pEntry, localStoreId);
}
}
delete [] pBytes;
}
delete [] pIndex;
if (m_entryArray.Count())
return( PR_TRUE);
else
return( PR_FALSE);
}
void nsOEScanBoxes::AddChildEntry( MailboxEntry *pEntry, PRUint32 rootIndex)
{
if (!m_pFirst) {
if (pEntry->parent == rootIndex) {
m_pFirst = pEntry;
m_entryArray.AppendElement( pEntry);
}
else {
delete pEntry;
}
return;
}
MailboxEntry * pParent = nsnull;
MailboxEntry * pSibling = nsnull;
if (pEntry->parent == rootIndex) {
pSibling = m_pFirst;
}
else {
pParent = GetIndexEntry( pEntry->parent);
}
if (!pParent && !pSibling) {
delete pEntry;
return;
}
if (pParent && (pParent->child == 0)) {
pParent->child = pEntry->index;
m_entryArray.AppendElement( pEntry);
return;
}
if (!pSibling)
pSibling = GetIndexEntry( pParent->child);
while (pSibling && (pSibling->sibling != -1)) {
pSibling = GetIndexEntry( pSibling->sibling);
}
if (!pSibling) {
delete pEntry;
return;
}
pSibling->sibling = pEntry->index;
m_entryArray.AppendElement( pEntry);
}
PRBool nsOEScanBoxes::Scan50MailboxDir( nsIFileSpec * srcDir)
{
Reset();
MailboxEntry * pEntry;
PRInt32 index = 1;
char * pLeaf;
PRUint32 sLen;
nsIFileSpec * spec;
nsIDirectoryIterator * iter;
if (NS_FAILED( NS_NewDirectoryIterator( &iter)))
return( PR_FALSE);
if (NS_FAILED( iter->Init( srcDir, PR_TRUE))) {
iter->Release();
return( PR_FALSE);
}
nsresult rv;
PRBool exists = PR_FALSE;
PRBool isFile;
rv = iter->Exists( &exists);
while (NS_SUCCEEDED( rv) && exists) {
// do something with i.Spec()
rv = iter->GetCurrentSpec( &spec);
if (NS_SUCCEEDED( rv)) {
isFile = PR_FALSE;
rv = spec->IsFile( &isFile);
if (NS_SUCCEEDED( rv) && isFile) {
pLeaf = nsnull;
rv = spec->GetLeafName( &pLeaf);
if (NS_SUCCEEDED( rv) && pLeaf &&
((sLen = nsCRT::strlen( pLeaf)) > 4) &&
(!nsCRT::strcasecmp( pLeaf + sLen - 3, "dbx"))) {
// This is a *.dbx file in the mail directory
if (nsOE5File::IsLocalMailFile( spec)) {
pEntry = new MailboxEntry;
pEntry->index = index;
index++;
pEntry->parent = 0;
pEntry->child = 0;
pEntry->sibling = index;
pEntry->type = -1;
pEntry->fileName = pLeaf;
pLeaf[sLen - 4] = 0;
pEntry->mailName = pLeaf;
m_entryArray.AppendElement( pEntry);
}
}
if (pLeaf)
nsCRT::free( pLeaf);
}
}
rv = iter->Next();
exists = PR_FALSE;
rv = iter->Exists( &exists);
}
if (m_entryArray.Count() > 0) {
pEntry = (MailboxEntry *)m_entryArray.ElementAt( m_entryArray.Count() - 1);
pEntry->sibling = -1;
return( PR_TRUE);
}
return( PR_FALSE);
}
void nsOEScanBoxes::ScanMailboxDir( nsIFileSpec * srcDir)
{
if (Scan50MailboxDir( srcDir))
return;
Reset();
MailboxEntry * pEntry;
PRInt32 index = 1;
char * pLeaf;
PRUint32 sLen;
nsIFileSpec * spec;
nsIDirectoryIterator * iter;
if (NS_FAILED( NS_NewDirectoryIterator( &iter)))
return;
if (NS_FAILED( iter->Init( srcDir, PR_TRUE))) {
iter->Release();
return;
}
nsresult rv;
PRBool exists = PR_FALSE;
PRBool isFile;
rv = iter->Exists( &exists);
while (NS_SUCCEEDED( rv) && exists) {
// do something with i.Spec()
rv = iter->GetCurrentSpec( &spec);
if (NS_SUCCEEDED( rv)) {
isFile = PR_FALSE;
rv = spec->IsFile( &isFile);
if (NS_SUCCEEDED( rv) && isFile) {
pLeaf = nsnull;
rv = spec->GetLeafName( &pLeaf);
if (NS_SUCCEEDED( rv) && pLeaf &&
((sLen = nsCRT::strlen( pLeaf)) > 4) &&
(!nsCRT::strcasecmp( pLeaf + sLen - 3, "mbx"))) {
// This is a *.mbx file in the mail directory
pEntry = new MailboxEntry;
pEntry->index = index;
index++;
pEntry->parent = 0;
pEntry->child = 0;
pEntry->sibling = index;
pEntry->type = -1;
pEntry->fileName = pLeaf;
pLeaf[sLen - 4] = 0;
pEntry->mailName = pLeaf;
m_entryArray.AppendElement( pEntry);
}
if (pLeaf)
nsCRT::free( pLeaf);
}
}
rv = iter->Next();
exists = PR_FALSE;
rv = iter->Exists( &exists);
}
if (m_entryArray.Count() > 0) {
pEntry = (MailboxEntry *)m_entryArray.ElementAt( m_entryArray.Count() - 1);
pEntry->sibling = -1;
}
}
PRUint32 nsOEScanBoxes::CountMailboxes( MailboxEntry *pBox)
{
if (pBox == nsnull) {
if (m_pFirst != nsnull)
pBox = m_pFirst;
else {
if (m_entryArray.Count() > 0)
pBox = (MailboxEntry *) m_entryArray.ElementAt( 0);
}
}
PRUint32 count = 0;
MailboxEntry * pChild;
while (pBox) {
count++;
if (pBox->child) {
pChild = GetIndexEntry( pBox->child);
if (pChild != nsnull)
count += CountMailboxes( pChild);
}
if (pBox->sibling != -1) {
pBox = GetIndexEntry( pBox->sibling);
}
else
pBox = nsnull;
}
return( count);
}
PRBool nsOEScanBoxes::GetMailboxList( nsIFileSpec * root, nsISupportsArray **pArray)
{
nsresult rv = NS_NewISupportsArray( pArray);
if (NS_FAILED( rv)) {
IMPORT_LOG0( "FAILED to allocate the nsISupportsArray\n");
return( PR_FALSE);
}
BuildMailboxList( nsnull, root, 1, *pArray);
return( PR_TRUE);
}
void nsOEScanBoxes::BuildMailboxList( MailboxEntry *pBox, nsIFileSpec * root, PRInt32 depth, nsISupportsArray *pArray)
{
if (pBox == nsnull) {
if (m_pFirst != nsnull) {
pBox = m_pFirst;
IMPORT_LOG0( "Assigning start of mailbox list to m_pFirst\n");
}
else {
if (m_entryArray.Count() > 0) {
pBox = (MailboxEntry *) m_entryArray.ElementAt( 0);
IMPORT_LOG0( "Assigning start of mailbox list to entry at index 0\n");
}
}
if (pBox == nsnull) {
IMPORT_LOG0( "ERROR ASSIGNING STARTING MAILBOX\n");
}
}
nsresult rv;
nsIFileSpec * file;
MailboxEntry * pChild;
nsIImportMailboxDescriptor * pID;
nsISupports * pInterface;
PRUint32 size;
NS_WITH_SERVICE( nsIImportService, impSvc, kImportServiceCID, &rv);
if (NS_FAILED( rv))
return;
while (pBox) {
rv = impSvc->CreateNewMailboxDescriptor( &pID);
if (NS_SUCCEEDED( rv)) {
pID->SetDepth( depth);
pID->SetIdentifier( pBox->index);
pID->SetDisplayName( (PRUnichar *)pBox->mailName.GetUnicode());
if (pBox->fileName.Length() > 0) {
pID->GetFileSpec( &file);
file->FromFileSpec( root);
file->AppendRelativeUnixPath( (const char *)pBox->fileName);
size = 0;
file->GetFileSize( &size);
pID->SetSize( size);
file->Release();
}
rv = pID->QueryInterface( kISupportsIID, (void **) &pInterface);
pArray->AppendElement( pInterface);
pInterface->Release();
pID->Release();
}
if (pBox->child) {
pChild = GetIndexEntry( pBox->child);
if (pChild != nsnull)
BuildMailboxList( pChild, root, depth + 1, pArray);
}
if (pBox->sibling != -1) {
pBox = GetIndexEntry( pBox->sibling);
}
else
pBox = nsnull;
}
}
nsOEScanBoxes::MailboxEntry * nsOEScanBoxes::GetIndexEntry( PRUint32 index)
{
PRInt32 max = m_entryArray.Count();
for (PRInt32 i = 0; i < max; i++) {
MailboxEntry *pEntry = (MailboxEntry *) m_entryArray.ElementAt( i);
if (pEntry->index == index)
return( pEntry);
}
return( nsnull);
}
// -------------------------------------------------------
// File utility routines
// -------------------------------------------------------
PRBool nsOEScanBoxes::ReadLong( nsIFileSpec * stream, PRInt32& val, PRUint32 offset)
{
nsresult rv;
rv = stream->Seek( offset);
if (NS_FAILED( rv))
return( PR_FALSE);
PRInt32 cntRead;
char * pReadTo = (char *)&val;
rv = stream->Read( &pReadTo, sizeof( val), &cntRead);
if (NS_FAILED( rv) || (cntRead != sizeof( val)))
return( PR_FALSE);
return( PR_TRUE);
}
PRBool nsOEScanBoxes::ReadLong( nsIFileSpec * stream, PRUint32& val, PRUint32 offset)
{
nsresult rv;
rv = stream->Seek( offset);
if (NS_FAILED( rv))
return( PR_FALSE);
PRInt32 cntRead;
char * pReadTo = (char *)&val;
rv = stream->Read( &pReadTo, sizeof( val), &cntRead);
if (NS_FAILED( rv) || (cntRead != sizeof( val)))
return( PR_FALSE);
return( PR_TRUE);
}
// It appears as though the strings for file name and mailbox
// name are at least 254 chars - verified - they are probably 255
// but why bother going that far! If a file name is that long then
// the heck with it.
#define kOutlookExpressStringLength 252
PRBool nsOEScanBoxes::ReadString( nsIFileSpec * stream, nsString& str, PRUint32 offset)
{
nsresult rv;
rv = stream->Seek( offset);
if (NS_FAILED( rv))
return( PR_FALSE);
PRInt32 cntRead;
char buffer[kOutlookExpressStringLength];
char * pReadTo = buffer;
rv = stream->Read( &pReadTo, kOutlookExpressStringLength, &cntRead);
if (NS_FAILED( rv) || (cntRead != kOutlookExpressStringLength))
return( PR_FALSE);
buffer[kOutlookExpressStringLength - 1] = 0;
str = buffer;
return( PR_TRUE);
}
PRBool nsOEScanBoxes::ReadString( nsIFileSpec * stream, nsCString& str, PRUint32 offset)
{
nsresult rv;
rv = stream->Seek( offset);
if (NS_FAILED( rv))
return( PR_FALSE);
PRInt32 cntRead;
char buffer[kOutlookExpressStringLength];
char * pReadTo = buffer;
rv = stream->Read( &pReadTo, kOutlookExpressStringLength, &cntRead);
if (NS_FAILED( rv) || (cntRead != kOutlookExpressStringLength))
return( PR_FALSE);
buffer[kOutlookExpressStringLength - 1] = 0;
str = buffer;
return( PR_TRUE);
}
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