NS_IMETHODIMP nsMailDatabase::DeleteMessages(nsTArray<nsMsgKey>* nsMsgKeys, nsIDBChangeListener *instigator)
{
nsresult rv;
if (!m_folderStream && m_folder)
{
PRBool isLocked;
m_folder->GetLocked(&isLocked);
if (isLocked)
{
NS_ASSERTION(PR_FALSE, "Some other operation is in progress");
return NS_MSG_FOLDER_BUSY;
}
rv = MsgGetFileStream(m_folderFile, getter_AddRefs(m_folderStream));
NS_ENSURE_SUCCESS(rv, rv);
m_ownFolderStream = PR_TRUE;
}
rv = nsMsgDatabase::DeleteMessages(nsMsgKeys, instigator);
if (m_ownFolderStream)//only if we own the stream, then we should close it
{
if (m_folderStream)
{
m_folderStream->Flush(); // this does a sync
m_folderStream->Close();
}
m_folderStream = nsnull;
m_ownFolderStream = PR_FALSE;
}
SetFolderInfoValid(m_folderFile, 0, 0);
return rv;
}
// get output stream from header
nsresult
nsMsgMaildirStore::GetOutputStream(nsIMsgDBHdr *aHdr,
nsCOMPtr<nsIOutputStream> &aOutputStream)
{
// file name is stored in message header property "storeToken"
nsAutoCString fileName;
aHdr->GetStringProperty("storeToken", getter_Copies(fileName));
if (fileName.IsEmpty())
return NS_ERROR_FAILURE;
nsCOMPtr<nsIMsgFolder> folder;
nsresult rv = aHdr->GetFolder(getter_AddRefs(folder));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> folderPath;
rv = folder->GetFilePath(getter_AddRefs(folderPath));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> maildirFile;
folderPath->Clone(getter_AddRefs(maildirFile));
maildirFile->Append(NS_LITERAL_STRING("cur"));
maildirFile->AppendNative(fileName);
return MsgGetFileStream(maildirFile, getter_AddRefs(aOutputStream));
}
NS_IMETHODIMP nsMailDatabase::GetFolderStream(nsIOutputStream **aFileStream)
{
NS_ENSURE_ARG_POINTER(aFileStream);
if (!m_folderStream)
{
nsresult rv = MsgGetFileStream(m_folderFile, getter_AddRefs(m_folderStream));
NS_ENSURE_SUCCESS(rv, rv);
m_ownFolderStream = PR_TRUE;
}
NS_IF_ADDREF(*aFileStream = m_folderStream);
return NS_OK;
}
// cache m_folderStream to make updating mozilla status flags fast
NS_IMETHODIMP nsMailDatabase::StartBatch()
{
if (!m_folderStream && m_folder) //only if we create a stream, set m_ownFolderStream to true.
{
PRBool isLocked;
m_folder->GetLocked(&isLocked);
if (isLocked)
{
NS_ASSERTION(PR_FALSE, "Some other operation is in progress");
return NS_MSG_FOLDER_BUSY;
}
nsresult rv = MsgGetFileStream(m_folderFile, getter_AddRefs(m_folderStream));
NS_ENSURE_SUCCESS(rv, rv);
m_ownFolderStream = PR_TRUE;
}
return NS_OK;
}
nsresult
nsMsgBrkMBoxStore::GetOutputStream(nsIArray *aHdrArray,
nsCOMPtr<nsIOutputStream> &outputStream,
nsCOMPtr<nsISeekableStream> &seekableStream,
int64_t &restorePos)
{
nsresult rv;
nsCOMPtr<nsIMsgDBHdr> msgHdr = do_QueryElementAt(aHdrArray, 0, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIMsgFolder> folder;
msgHdr->GetFolder(getter_AddRefs(folder));
NS_ENSURE_SUCCESS(rv, rv);
nsCString URI;
folder->GetURI(URI);
restorePos = -1;
if (m_outputStreams.Get(URI, getter_AddRefs(outputStream)))
{
seekableStream = do_QueryInterface(outputStream);
rv = seekableStream->Tell(&restorePos);
if (NS_FAILED(rv))
{
outputStream = nullptr;
m_outputStreams.Remove(URI);
}
}
nsCOMPtr<nsIFile> mboxFile;
folder->GetFilePath(getter_AddRefs(mboxFile));
if (!outputStream)
{
rv = MsgGetFileStream(mboxFile, getter_AddRefs(outputStream));
seekableStream = do_QueryInterface(outputStream);
if (NS_SUCCEEDED(rv))
m_outputStreams.Put(URI, outputStream);
}
return rv;
}
NS_IMETHODIMP
nsPop3Sink::IncorporateBegin(const char* uidlString,
nsIURI* aURL,
uint32_t flags,
void** closure)
{
#ifdef DEBUG
printf("Incorporate message begin:\n");
if (uidlString)
printf("uidl string: %s\n", uidlString);
#endif
nsCOMPtr<nsIFile> path;
m_folder->GetFilePath(getter_AddRefs(path));
nsresult rv;
nsCOMPtr<nsIPrefBranch> pPrefBranch(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
if (pPrefBranch)
{
nsCOMPtr<nsIMsgIncomingServer> server;
m_folder->GetServer(getter_AddRefs(server));
nsCString plugStoreContract;
server->GetCharValue("storeContractID", plugStoreContract);
// Maildir doesn't care about quaranting, but other stores besides berkeley
// mailbox might. We should probably make this an attribute on the pluggable
// store, though.
if (plugStoreContract.Equals(
NS_LITERAL_CSTRING("@mozilla.org/msgstore/berkeleystore;1")))
pPrefBranch->GetBoolPref("mailnews.downloadToTempFile", &m_downloadingToTempFile);
}
nsCOMPtr<nsIMsgDBHdr> newHdr;
nsCOMPtr<nsIMsgIncomingServer> server = do_QueryInterface(m_popServer);
if (!server)
return NS_ERROR_UNEXPECTED;
if (m_downloadingToTempFile)
{
// need to create an nsIOFileStream from a temp file...
nsCOMPtr<nsIFile> tmpDownloadFile;
rv = GetSpecialDirectoryWithFileName(NS_OS_TEMP_DIR,
"newmsg",
getter_AddRefs(tmpDownloadFile));
NS_ASSERTION(NS_SUCCEEDED(rv),
"writing tmp pop3 download file: failed to append filename");
if (NS_FAILED(rv))
return rv;
if (!m_tmpDownloadFile)
{
//need a unique tmp file to prevent dataloss in multiuser environment
rv = tmpDownloadFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 00600);
NS_ENSURE_SUCCESS(rv, rv);
m_tmpDownloadFile = do_QueryInterface(tmpDownloadFile, &rv);
}
if (NS_SUCCEEDED(rv))
{
rv = MsgGetFileStream(m_tmpDownloadFile, getter_AddRefs(m_outFileStream));
NS_ENSURE_SUCCESS(rv, rv);
}
}
else
{
rv = server->GetMsgStore(getter_AddRefs(m_msgStore));
bool reusable;
NS_ENSURE_SUCCESS(rv, rv);
m_msgStore->GetNewMsgOutputStream(m_folder, getter_AddRefs(newHdr),
&reusable, getter_AddRefs(m_outFileStream));
}
// The following (!m_outFileStream etc) was added to make sure that we don't
// write somewhere where for some reason or another we can't write to and
// lose the messages. See bug 62480
if (!m_outFileStream)
return NS_ERROR_OUT_OF_MEMORY;
nsCOMPtr<nsISeekableStream> seekableOutStream = do_QueryInterface(m_outFileStream);
// create a new mail parser
if (!m_newMailParser)
m_newMailParser = new nsParseNewMailState;
NS_ENSURE_TRUE(m_newMailParser, NS_ERROR_OUT_OF_MEMORY);
if (m_uidlDownload)
m_newMailParser->DisableFilters();
nsCOMPtr <nsIMsgFolder> serverFolder;
rv = GetServerFolder(getter_AddRefs(serverFolder));
if (NS_FAILED(rv)) return rv;
rv = m_newMailParser->Init(serverFolder, m_folder,
m_window, newHdr, m_outFileStream);
// If we failed to initialize the parser, then just don't use it!!!
// We can still continue without one.
if (NS_FAILED(rv))
{
m_newMailParser = nullptr;
rv = NS_OK;
}
if (closure)
*closure = (void*) this;
nsCString outputString(GetDummyEnvelope());
rv = WriteLineToMailbox(outputString);
NS_ENSURE_SUCCESS(rv, rv);
// Write out account-key before UIDL so the code that looks for
// UIDL will find the account first and know it can stop looking
// once it finds the UIDL line.
if (!m_accountKey.IsEmpty())
{
outputString.AssignLiteral(HEADER_X_MOZILLA_ACCOUNT_KEY ": ");
outputString.Append(m_accountKey);
outputString.AppendLiteral(MSG_LINEBREAK);
rv = WriteLineToMailbox(outputString);
NS_ENSURE_SUCCESS(rv, rv);
}
if (uidlString)
{
outputString.AssignLiteral("X-UIDL: ");
outputString.Append(uidlString);
outputString.AppendLiteral(MSG_LINEBREAK);
rv = WriteLineToMailbox(outputString);
NS_ENSURE_SUCCESS(rv, rv);
}
// WriteLineToMailbox("X-Mozilla-Status: 8000" MSG_LINEBREAK);
char *statusLine = PR_smprintf(X_MOZILLA_STATUS_FORMAT MSG_LINEBREAK, flags);
outputString.Assign(statusLine);
rv = WriteLineToMailbox(outputString);
PR_smprintf_free(statusLine);
NS_ENSURE_SUCCESS(rv, rv);
rv = WriteLineToMailbox(NS_LITERAL_CSTRING("X-Mozilla-Status2: 00000000" MSG_LINEBREAK));
NS_ENSURE_SUCCESS(rv, rv);
// leave space for 60 bytes worth of keys/tags
rv = WriteLineToMailbox(NS_LITERAL_CSTRING(X_MOZILLA_KEYWORDS));
return NS_OK;
}
NS_IMETHODIMP
nsMsgBrkMBoxStore::GetNewMsgOutputStream(nsIMsgFolder *aFolder,
nsIMsgDBHdr **aNewMsgHdr,
bool *aReusable,
nsIOutputStream **aResult)
{
NS_ENSURE_ARG_POINTER(aFolder);
NS_ENSURE_ARG_POINTER(aNewMsgHdr);
NS_ENSURE_ARG_POINTER(aReusable);
NS_ENSURE_ARG_POINTER(aResult);
#ifdef _DEBUG
NS_ASSERTION(m_streamOutstandingFolder != aFolder, "didn't finish prev msg");
m_streamOutstandingFolder = aFolder;
#endif
*aReusable = true;
nsCOMPtr<nsIFile> mboxFile;
aFolder->GetFilePath(getter_AddRefs(mboxFile));
nsCOMPtr<nsIMsgDatabase> db;
aFolder->GetMsgDatabase(getter_AddRefs(db));
if (!db && !*aNewMsgHdr)
NS_WARNING("no db, and no message header");
bool exists;
mboxFile->Exists(&exists);
if (!exists)
mboxFile->Create(nsIFile::NORMAL_FILE_TYPE, 0600);
nsCString URI;
aFolder->GetURI(URI);
nsresult rv;
nsCOMPtr<nsISeekableStream> seekable;
if (m_outputStreams.Get(URI, aResult))
{
seekable = do_QueryInterface(*aResult, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = seekable->Seek(nsISeekableStream::NS_SEEK_END, 0);
if (NS_FAILED(rv))
{
m_outputStreams.Remove(URI);
NS_RELEASE(*aResult);
}
}
if (!*aResult)
{
rv = MsgGetFileStream(mboxFile, aResult);
NS_ASSERTION(NS_SUCCEEDED(rv), "failed opening offline store for output");
if (NS_FAILED(rv))
printf("failed opening offline store for %s\n", URI.get());
NS_ENSURE_SUCCESS(rv, rv);
seekable = do_QueryInterface(*aResult, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = seekable->Seek(nsISeekableStream::NS_SEEK_END, 0);
NS_ENSURE_SUCCESS(rv, rv);
m_outputStreams.Put(URI, *aResult);
}
int64_t filePos;
seekable->Tell(&filePos);
if (db && !*aNewMsgHdr)
{
// if mbox is close to 4GB, auto-assign the msg key.
nsMsgKey key = filePos > 0xFFFFFF00 ? nsMsgKey_None : (nsMsgKey) filePos;
db->CreateNewHdr(key, aNewMsgHdr);
}
if (*aNewMsgHdr)
{
char storeToken[100];
PR_snprintf(storeToken, sizeof(storeToken), "%lld", filePos);
(*aNewMsgHdr)->SetMessageOffset(filePos);
(*aNewMsgHdr)->SetStringProperty("storeToken", storeToken);
}
return rv;
}
nsresult
nsMsgAttachmentHandler::ConvertToAppleEncoding(const nsCString &aFileURI,
const nsCString &aFilePath,
nsILocalFileMac *aSourceFile)
{
// convert the apple file to AppleDouble first, and then patch the
// address in the url.
//We need to retrieve the file type and creator...
char fileInfo[32];
OSType type, creator;
nsresult rv = aSourceFile->GetFileType(&type);
if (NS_FAILED(rv))
return false;
PR_snprintf(fileInfo, sizeof(fileInfo), "%X", type);
m_xMacType = fileInfo;
rv = aSourceFile->GetFileCreator(&creator);
if (NS_FAILED(rv))
return false;
PR_snprintf(fileInfo, sizeof(fileInfo), "%X", creator);
m_xMacCreator = fileInfo;
FSRef fsRef;
aSourceFile->GetFSRef(&fsRef);
bool sendResourceFork = HasResourceFork(&fsRef);
// if we have a resource fork, check the filename extension, maybe we don't need the resource fork!
if (sendResourceFork)
{
nsCOMPtr<nsIURL> fileUrl(do_CreateInstance(NS_STANDARDURL_CONTRACTID));
if (fileUrl)
{
rv = fileUrl->SetSpec(aFileURI);
if (NS_SUCCEEDED(rv))
{
nsCAutoString ext;
rv = fileUrl->GetFileExtension(ext);
if (NS_SUCCEEDED(rv) && !ext.IsEmpty())
{
sendResourceFork =
PL_strcasecmp(ext.get(), "TXT") &&
PL_strcasecmp(ext.get(), "JPG") &&
PL_strcasecmp(ext.get(), "GIF") &&
PL_strcasecmp(ext.get(), "TIF") &&
PL_strcasecmp(ext.get(), "HTM") &&
PL_strcasecmp(ext.get(), "HTML") &&
PL_strcasecmp(ext.get(), "ART") &&
PL_strcasecmp(ext.get(), "XUL") &&
PL_strcasecmp(ext.get(), "XML") &&
PL_strcasecmp(ext.get(), "CSS") &&
PL_strcasecmp(ext.get(), "JS");
}
}
}
}
// Only use appledouble if we aren't uuencoding.
if( sendResourceFork )
{
char *separator;
separator = mime_make_separator("ad");
if (!separator)
return NS_ERROR_OUT_OF_MEMORY;
nsCOMPtr <nsIFile> tmpFile;
nsresult rv = nsMsgCreateTempFile("appledouble", getter_AddRefs(tmpFile));
if (NS_SUCCEEDED(rv))
mEncodedWorkingFile = do_QueryInterface(tmpFile);
if (!mEncodedWorkingFile)
{
PR_FREEIF(separator);
return NS_ERROR_OUT_OF_MEMORY;
}
//
// RICHIE_MAC - ok, here's the deal, we have a file that we need
// to encode in appledouble encoding for the resource fork and put that
// into the mEncodedWorkingFile location. Then, we need to patch the new file
// spec into the array and send this as part of the 2 part appledouble/mime
// encoded mime part.
//
AppleDoubleEncodeObject *obj = new (AppleDoubleEncodeObject);
if (obj == NULL)
{
mEncodedWorkingFile = nsnull;
PR_FREEIF(separator);
return NS_ERROR_OUT_OF_MEMORY;
}
rv = MsgGetFileStream(mEncodedWorkingFile, getter_AddRefs(obj->fileStream));
if (NS_FAILED(rv) || !obj->fileStream)
{
PR_FREEIF(separator);
delete obj;
return NS_ERROR_OUT_OF_MEMORY;
}
PRInt32 bSize = AD_WORKING_BUFF_SIZE;
char *working_buff = nsnull;
while (!working_buff && (bSize >= 512))
{
working_buff = (char *)PR_CALLOC(bSize);
if (!working_buff)
bSize /= 2;
}
if (!working_buff)
{
PR_FREEIF(separator);
delete obj;
return NS_ERROR_OUT_OF_MEMORY;
}
obj->buff = working_buff;
obj->s_buff = bSize;
//
// Setup all the need information on the apple double encoder.
//
ap_encode_init(&(obj->ap_encode_obj), aFilePath.get(), separator);
PRInt32 count;
nsresult status = noErr;
m_size = 0;
while (status == noErr)
{
status = ap_encode_next(&(obj->ap_encode_obj), obj->buff, bSize, &count);
if (status == noErr || status == errDone)
{
//
// we got the encode data, so call the next stream to write it to the disk.
//
PRUint32 bytesWritten;
obj->fileStream->Write(obj->buff, count, &bytesWritten);
if (bytesWritten != (PRUint32) count)
status = NS_MSG_ERROR_WRITING_FILE;
}
}
ap_encode_end(&(obj->ap_encode_obj), (status >= 0)); // if this is true, ok, false abort
if (obj->fileStream)
obj->fileStream->Close();
PR_FREEIF(obj->buff); /* free the working buff. */
PR_FREEIF(obj);
nsCOMPtr <nsIURI> fileURI;
NS_NewFileURI(getter_AddRefs(fileURI), mEncodedWorkingFile);
nsCOMPtr<nsIFileURL> theFileURL = do_QueryInterface(fileURI, &rv);
NS_ENSURE_SUCCESS(rv,rv);
nsCString newURLSpec;
NS_ENSURE_SUCCESS(rv, rv);
fileURI->GetSpec(newURLSpec);
if (newURLSpec.IsEmpty())
{
PR_FREEIF(separator);
return NS_ERROR_OUT_OF_MEMORY;
}
if (NS_FAILED(nsMsgNewURL(getter_AddRefs(mURL), newURLSpec.get())))
{
PR_FREEIF(separator);
return NS_ERROR_OUT_OF_MEMORY;
}
// Now after conversion, also patch the types.
char tmp[128];
PR_snprintf(tmp, sizeof(tmp), MULTIPART_APPLEDOUBLE ";\r\n boundary=\"%s\"", separator);
PR_FREEIF(separator);
m_type = tmp;
}
else
{
if ( sendResourceFork )
{
// For now, just do the encoding, but in the old world we would ask the
// user about doing this conversion
printf("...we could ask the user about this conversion, but for now, nahh..\n");
}
bool useDefault;
char *macType, *macEncoding;
if (m_type.IsEmpty() || m_type.LowerCaseEqualsLiteral(TEXT_PLAIN))
{
# define TEXT_TYPE 0x54455854 /* the characters 'T' 'E' 'X' 'T' */
# define text_TYPE 0x74657874 /* the characters 't' 'e' 'x' 't' */
if (type != TEXT_TYPE && type != text_TYPE)
{
MacGetFileType(aSourceFile, &useDefault, &macType, &macEncoding);
m_type = macType;
}
}
// don't bother to set the types if we failed in getting the file info.
}
return NS_OK;
}
// We let the caller close the file in case he's updating a lot of flags
// and we don't want to open and close the file every time through.
// As an experiment, try caching the fid in the db as m_folderFile.
// If this is set, use it but don't return *pFid.
void nsMailDatabase::UpdateFolderFlag(nsIMsgDBHdr *mailHdr, PRBool bSet,
MsgFlags flag, nsIOutputStream **ppFileStream)
{
static char buf[50];
PRInt64 folderStreamPos = 0; //saves the folderStream pos in case we are sharing the stream with other code
nsIOutputStream *fileStream = (m_folderStream) ? m_folderStream.get() : *ppFileStream;
PRUint32 offset;
(void)mailHdr->GetStatusOffset(&offset);
nsCOMPtr <nsISeekableStream> seekableStream;
nsresult rv;
if (offset > 0)
{
if (fileStream == NULL)
{
rv = MsgGetFileStream(m_folderFile, &fileStream);
if (NS_FAILED(rv))
return;
seekableStream = do_QueryInterface(fileStream);
}
else if (!m_ownFolderStream)
{
m_folderStream->Flush();
seekableStream = do_QueryInterface(fileStream);
seekableStream->Tell(&folderStreamPos);
}
else
seekableStream = do_QueryInterface(m_folderStream);
if (fileStream)
{
PRUint32 msgOffset;
(void)mailHdr->GetMessageOffset(&msgOffset);
PRUint32 statusPos = offset + msgOffset;
PR_ASSERT(offset < 10000);
seekableStream->Seek(nsISeekableStream::NS_SEEK_SET, statusPos);
buf[0] = '\0';
nsCOMPtr <nsIInputStream> inputStream = do_QueryInterface(fileStream);
PRUint32 bytesRead;
if (NS_SUCCEEDED(inputStream->Read(buf, X_MOZILLA_STATUS_LEN + 6, &bytesRead)))
{
buf[bytesRead] = '\0';
if (strncmp(buf, X_MOZILLA_STATUS, X_MOZILLA_STATUS_LEN) == 0 &&
strncmp(buf + X_MOZILLA_STATUS_LEN, ": ", 2) == 0 &&
strlen(buf) >= X_MOZILLA_STATUS_LEN + 6)
{
PRUint32 flags;
PRUint32 bytesWritten;
(void)mailHdr->GetFlags(&flags);
if (!(flags & MSG_FLAG_EXPUNGED))
{
int i;
char *p = buf + X_MOZILLA_STATUS_LEN + 2;
for (i=0, flags = 0; i<4; i++, p++)
{
flags = (flags << 4) | msg_UnHex(*p);
}
PRUint32 curFlags;
(void)mailHdr->GetFlags(&curFlags);
flags = (flags & MSG_FLAG_QUEUED) |
(curFlags & ~MSG_FLAG_RUNTIME_ONLY);
}
else
{
flags &= ~MSG_FLAG_RUNTIME_ONLY;
}
seekableStream->Seek(nsISeekableStream::NS_SEEK_SET, statusPos);
// We are filing out x-mozilla-status flags here
PR_snprintf(buf, sizeof(buf), X_MOZILLA_STATUS_FORMAT,
flags & 0x0000FFFF);
PRInt32 lineLen = PL_strlen(buf);
PRUint32 status2Pos = statusPos + lineLen + MSG_LINEBREAK_LEN;
fileStream->Write(buf, lineLen, &bytesWritten);
// time to upate x-mozilla-status2
seekableStream->Seek(nsISeekableStream::NS_SEEK_SET, status2Pos);
if (NS_SUCCEEDED(inputStream->Read(buf, X_MOZILLA_STATUS2_LEN + 10, &bytesRead)))
{
if (strncmp(buf, X_MOZILLA_STATUS2, X_MOZILLA_STATUS2_LEN) == 0 &&
strncmp(buf + X_MOZILLA_STATUS2_LEN, ": ", 2) == 0 &&
strlen(buf) >= X_MOZILLA_STATUS2_LEN + 10)
{
PRUint32 dbFlags;
(void)mailHdr->GetFlags(&dbFlags);
dbFlags &= 0xFFFF0000;
seekableStream->Seek(nsISeekableStream::NS_SEEK_SET, status2Pos);
PR_snprintf(buf, sizeof(buf), X_MOZILLA_STATUS2_FORMAT, dbFlags);
fileStream->Write(buf, PL_strlen(buf), &bytesWritten);
}
}
} else
{
#ifdef DEBUG
printf("Didn't find %s where expected at position %ld\n"
"instead, found %s.\n",
X_MOZILLA_STATUS, (long) statusPos, buf);
#endif
SetReparse(PR_TRUE);
}
}
else
{
#ifdef DEBUG
printf("Couldn't read old status line at all at position %ld\n",
(long) statusPos);
#endif
SetReparse(PR_TRUE);
}
}
else
{
#ifdef DEBUG
nsCString folderPath;
m_folderFile->GetNativePath(folderPath);
printf("Couldn't open mail folder for update%s!\n",
folderPath.get());
#endif
PR_ASSERT(PR_FALSE);
}
}
if (!m_folderStream)
*ppFileStream = fileStream; // This tells the caller that we opened the file, and please to close it.
else if (!m_ownFolderStream)
seekableStream->Seek(nsISeekableStream::NS_SEEK_SET, folderStreamPos);
}