nsresult nsEudoraMailbox::ImportMailbox(uint32_t *pBytes, bool *pAbort,
const PRUnichar *pName, nsIFile *pSrc,
nsIMsgFolder *dstFolder,
int32_t *pMsgCount)
{
nsCOMPtr<nsIFile> tocFile;
nsCOMPtr<nsIInputStream> srcInputStream;
nsCOMPtr<nsIInputStream> tocInputStream;
nsCOMPtr<nsIOutputStream> mailOutputStream;
bool importWithoutToc = true;
bool deleteToc = false;
nsCOMPtr<nsIFile> mailFile;
if (pMsgCount)
*pMsgCount = 0;
nsresult rv = pSrc->GetFileSize(&m_mailSize);
rv = NS_NewLocalFileInputStream(getter_AddRefs(srcInputStream), pSrc);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> srcFile(pSrc);
// First, get the index file for this mailbox
rv = FindTOCFile(pSrc, getter_AddRefs(tocFile), &deleteToc);
if (NS_SUCCEEDED(rv) && tocFile)
{
IMPORT_LOG0("Reading euroda toc file: ");
DUMP_FILENAME(tocFile, true);
// Read the toc and import the messages
rv = ImportMailboxUsingTOC(pBytes, pAbort, srcInputStream, tocFile,
dstFolder, pMsgCount);
// clean up
if (deleteToc)
DeleteFile(tocFile);
// If we were able to import with the TOC, then we don't need to bother
// importing without the TOC.
if (NS_SUCCEEDED(rv)) {
importWithoutToc = false;
IMPORT_LOG0("Imported mailbox: "); DUMP_FILENAME(pSrc, false);
IMPORT_LOG0(" Using TOC: "); DUMP_FILENAME(tocFile, true);
}
else {
IMPORT_LOG0("*** Error importing with TOC - will import without TOC.\n");
}
}
// pSrc must be Released before returning
if (importWithoutToc) {
// The source file contains partially constructed mail messages,
// and attachments. We should first investigate if we can use the mailnews msgCompose
// stuff to do the work for us. If not we have to scan the mailboxes and do TONS
// of work to properly reconstruct the message - Eudora is so nice that it strips things
// like MIME headers, character encoding, and attachments - beautiful!
rv = pSrc->GetFileSize(&m_mailSize);
SimpleBufferTonyRCopiedOnce readBuffer;
SimpleBufferTonyRCopiedOnce headers;
SimpleBufferTonyRCopiedOnce body;
SimpleBufferTonyRCopiedOnce copy;
headers.m_convertCRs = true;
body.m_convertCRs = true;
copy.Allocate(kCopyBufferSize);
readBuffer.Allocate(kMailReadBufferSize);
ReadFileState state;
state.offset = 0;
state.size = m_mailSize;
state.pFile = pSrc;
IMPORT_LOG0("Reading mailbox\n");
if (NS_SUCCEEDED(rv))
{
nsCString defaultDate;
nsAutoCString bodyType;
IMPORT_LOG0("Reading first message\n");
nsCOMPtr<nsIOutputStream> outputStream;
nsCOMPtr<nsIMsgPluggableStore> msgStore;
rv = dstFolder->GetMsgStore(getter_AddRefs(msgStore));
NS_ENSURE_SUCCESS(rv, rv);
while (!*pAbort && NS_SUCCEEDED(rv = ReadNextMessage( &state, readBuffer, headers, body, defaultDate, bodyType, NULL))) {
if (pBytes)
*pBytes += body.m_writeOffset - 1 + headers.m_writeOffset - 1;
nsCOMPtr<nsIMsgDBHdr> msgHdr;
bool reusable;
rv = msgStore->GetNewMsgOutputStream(dstFolder, getter_AddRefs(msgHdr), &reusable,
getter_AddRefs(outputStream));
if (NS_FAILED(rv))
break;
rv = ImportMessage(headers, body, defaultDate, bodyType, outputStream, pMsgCount);
if (NS_SUCCEEDED(rv))
msgStore->FinishNewMessage(outputStream, msgHdr);
else {
msgStore->DiscardNewMessage(outputStream, msgHdr);
IMPORT_LOG0( "*** Error importing message\n");
}
if (!reusable)
outputStream->Close();
if (!readBuffer.m_bytesInBuf && (state.offset >= state.size))
break;
}
if (outputStream)
outputStream->Close();
}
else {
IMPORT_LOG0("*** Error creating file spec for composition\n");
}
}
return rv;
}
nsresult nsEudoraMailbox::ImportMailboxUsingTOC(
uint32_t *pBytes,
bool *pAbort,
nsIInputStream *pInputStream,
nsIFile *tocFile,
nsIMsgFolder *dstFolder,
int32_t *pMsgCount)
{
nsresult rv = NS_OK;
int64_t mailSize = m_mailSize;
int64_t tocSize = 0;
uint32_t saveBytes = pBytes ? *pBytes : 0;
nsCOMPtr <nsIInputStream> tocInputStream;
rv = tocFile->GetFileSize(&tocSize);
// if the index or the mail file is empty then just
// use the original mail file.
if (!mailSize || !tocSize)
return NS_ERROR_FAILURE;
rv = NS_NewLocalFileInputStream(getter_AddRefs(tocInputStream), tocFile);
NS_ENSURE_SUCCESS(rv, rv);
SimpleBufferTonyRCopiedOnce readBuffer;
SimpleBufferTonyRCopiedOnce headers;
SimpleBufferTonyRCopiedOnce body;
SimpleBufferTonyRCopiedOnce copy;
int32_t tocOffset = kMsgFirstOffset;
EudoraTOCEntry tocEntry;
copy.Allocate(kCopyBufferSize);
readBuffer.Allocate(kMailReadBufferSize);
IMPORT_LOG0("Importing mailbox using TOC: ");
DUMP_FILENAME(tocFile, true);
nsCOMPtr<nsISeekableStream> tocSeekableStream = do_QueryInterface(tocInputStream);
nsCOMPtr<nsISeekableStream> mailboxSeekableStream = do_QueryInterface(pInputStream);
nsCOMPtr<nsIOutputStream> outputStream;
nsCOMPtr<nsIMsgPluggableStore> msgStore;
rv = dstFolder->GetMsgStore(getter_AddRefs(msgStore));
NS_ENSURE_SUCCESS(rv, rv);
while (!*pAbort && (tocOffset < (int32_t)tocSize)) {
if (NS_FAILED(rv = tocSeekableStream->Seek(nsISeekableStream::NS_SEEK_SET, tocOffset)))
break;
if (NS_FAILED(rv = ReadTOCEntry(tocInputStream, tocEntry)))
break;
nsCOMPtr<nsIMsgDBHdr> msgHdr;
bool reusable;
rv = msgStore->GetNewMsgOutputStream(dstFolder, getter_AddRefs(msgHdr), &reusable,
getter_AddRefs(outputStream));
if (NS_FAILED(rv))
break;
// Quick and dirty way to read in and parse the message the way the rest
// of the code expects.
nsCString defaultDate;
nsAutoCString bodyType;
ReadFileState state;
// Seek to the start of the email message.
mailboxSeekableStream->Seek(nsISeekableStream::NS_SEEK_SET, tocEntry.m_Offset);
// We're fudging the data to make ReadNextMessage happy. In particular
// state.size is meant to be the size of the entire file, because it's
// assumed that ReadNextMessage will actually have to parse. We know
// exactly how big the message is, so we simply set the "size" to be
// immediately where the message ends.
state.offset = tocEntry.m_Offset;
state.pInputStream = pInputStream;
state.size = state.offset + tocEntry.m_Length;
if (NS_SUCCEEDED(rv = ReadNextMessage(&state, readBuffer, headers, body, defaultDate, bodyType, &tocEntry)))
{
rv = ImportMessage(headers, body, defaultDate, bodyType, outputStream,
pMsgCount);
if (pBytes)
*pBytes += tocEntry.m_Length;
if (NS_SUCCEEDED(rv))
msgStore->FinishNewMessage(outputStream, msgHdr);
else {
msgStore->DiscardNewMessage(outputStream, msgHdr);
IMPORT_LOG0( "*** Error importing message\n");
}
}
// We currently don't consider an error from ReadNextMessage or ImportMessage to be fatal.
// Reset the error back to no error in case this is the last time through the loop.
rv = NS_OK;
tocOffset += kMsgHeaderSize;
if (!reusable)
outputStream->Close();
}
if (outputStream)
outputStream->Close();
if (NS_SUCCEEDED(rv)) {
IMPORT_LOG0(" finished\n");
}
else {
// We failed somewhere important enough that we kept the error.
// Bail on all that we imported since we'll be importing everything
// again using just the mailbox.
IMPORT_LOG0("*** Error importing mailbox using TOC: ");
// DUMP_FILENAME(pMail, true);
// Reset pBytes back to where it was before we imported this mailbox.
// This will likely result in a funky progress bar which will move
// backwards, but that's probably the best we can do to keep the
// progress accurate since we'll be re-importing the same mailbox.
if (pBytes)
*pBytes = saveBytes;
// Set the message count back to 0.
if (pMsgCount)
*pMsgCount = 0;
}
return rv;
}
nsresult nsEudoraMailbox::ImportMailboxUsingTOC(
PRUint32 *pBytes,
PRBool *pAbort,
nsIInputStream *pInputStream,
nsIFile *tocFile,
nsIOutputStream *pDst,
PRInt32 *pMsgCount)
{
nsresult rv = NS_OK;
PRInt64 mailSize = m_mailSize;
PRInt64 tocSize = 0;
PRUint32 saveBytes = pBytes ? *pBytes : 0;
nsCOMPtr <nsIInputStream> tocInputStream;
rv = tocFile->GetFileSize( &tocSize);
// if the index or the mail file is empty then just
// use the original mail file.
if (!mailSize || !tocSize)
return NS_ERROR_FAILURE;
rv = NS_NewLocalFileInputStream(getter_AddRefs(tocInputStream), tocFile);
NS_ENSURE_SUCCESS(rv, rv);
SimpleBufferTonyRCopiedOnce readBuffer;
SimpleBufferTonyRCopiedOnce headers;
SimpleBufferTonyRCopiedOnce body;
SimpleBufferTonyRCopiedOnce copy;
PRInt32 tocOffset = kMsgFirstOffset;
EudoraTOCEntry tocEntry;
copy.Allocate( kCopyBufferSize);
readBuffer.Allocate(kMailReadBufferSize);
IMPORT_LOG0( "Importing mailbox using TOC: ");
DUMP_FILENAME( tocFile, PR_TRUE);
nsCOMPtr <nsISeekableStream> tocSeekableStream = do_QueryInterface(tocInputStream);
nsCOMPtr <nsISeekableStream> mailboxSeekableStream = do_QueryInterface(pInputStream);
while (!*pAbort && (tocOffset < (PRInt32)tocSize)) {
if ( NS_FAILED(rv = tocSeekableStream->Seek(nsISeekableStream::NS_SEEK_SET, tocOffset)) )
break;
if ( NS_FAILED(rv = ReadTOCEntry(tocInputStream, tocEntry)) )
break;
// Quick and dirty way to read in and parse the message the way the rest
// of the code expects.
nsCString defaultDate;
nsCAutoString bodyType;
ReadFileState state;
// Seek to the start of the email message.
mailboxSeekableStream->Seek(nsISeekableStream::NS_SEEK_SET, tocEntry.m_Offset);
// We're fudging the data to make ReadNextMessage happy. In particular
// state.size is meant to be the size of the entire file, because it's
// assumed that ReadNextMessage will actually have to parse. We know
// exactly how big the message is, so we simply set the "size" to be
// immediately where the message ends.
state.offset = tocEntry.m_Offset;
state.pInputStream = pInputStream;
state.size = state.offset + tocEntry.m_Length;
if ( NS_SUCCEEDED(rv = ReadNextMessage(&state, readBuffer, headers, body, defaultDate, bodyType, &tocEntry) ) )
{
rv = ImportMessage(headers, body, defaultDate, bodyType, pDst, pMsgCount);
if (pBytes)
*pBytes += tocEntry.m_Length;
}
// We currently don't consider an error from ReadNextMessage or ImportMessage to be fatal.
// Reset the error back to no error in case this is the last time through the loop.
rv = NS_OK;
tocOffset += kMsgHeaderSize;
}
if ( NS_SUCCEEDED(rv) ) {
IMPORT_LOG0( " finished\n");
}
else {
// We failed somewhere important enough that we kept the error.
// Bail on all that we imported since we'll be importing everything
// again using just the mailbox.
IMPORT_LOG0( "*** Error importing mailbox using TOC: ");
// DUMP_FILENAME(pMail, PR_TRUE);
// Close the destination and truncate it. We don't need to bother
// to reopen it because the nsIFileSpec implementation will open
// before writing if necessary (and yes legacy importing code already
// relies on this behavior).
// pDst->CloseStream();
// pDst->Truncate(0);
// Reset pBytes back to where it was before we imported this mailbox.
// This will likely result in a funky progress bar which will move
// backwards, but that's probably the best we can do to keep the
// progress accurate since we'll be re-importing the same mailbox.
if (pBytes)
*pBytes = saveBytes;
// Set the message count back to 0.
if (pMsgCount)
*pMsgCount = 0;
}
return rv;
}
