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tdepim/kmail/importjob.cpp

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/* Copyright 2009 Klarälvdalens Datakonsult AB
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License or (at your option) version 3 or any later version
accepted by the membership of KDE e.V. (or its successor approved
by the membership of KDE e.V.), which shall act as a proxy
defined in Section 14 of version 3 of the license.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "importjob.h"
#include "kmfolder.h"
#include "folderutil.h"
#include "kmfolderdir.h"
#include "kmfolderimap.h"
#include "imapjob.h"
#include "progressmanager.h"
#include <kdebug.h>
#include <kzip.h>
#include <ktar.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kmimetype.h>
#include <tqwidget.h>
#include <tqtimer.h>
#include <tqfile.h>
using namespace KMail;
KMail::ImportJob::ImportJob( TQWidget *parentWidget )
: TQObject( parentWidget ),
mArchive( 0 ),
mRootFolder( 0 ),
mParentWidget( parentWidget ),
mNumberOfImportedMessages( 0 ),
mCurrentFolder( 0 ),
mCurrentMessage( 0 ),
mCurrentMessageFile( 0 ),
mProgressItem( 0 ),
mAborted( false )
{
}
KMail::ImportJob::~ImportJob()
{
if ( mArchive && mArchive->isOpened() ) {
mArchive->close();
}
delete mArchive;
mArchive = 0;
}
void KMail::ImportJob::setFile( const KURL &archiveFile )
{
mArchiveFile = archiveFile;
}
void KMail::ImportJob::setRootFolder( KMFolder *rootFolder )
{
mRootFolder = rootFolder;
}
void KMail::ImportJob::finish()
{
kdDebug(5006) << "Finished import job." << endl;
mProgressItem->setComplete();
mProgressItem = 0;
TQString text = i18n( "Importing the archive file '%1' into the folder '%2' succeeded." )
.tqarg( mArchiveFile.path() ).tqarg( mRootFolder->name() );
text += "\n" + i18n( "1 message was imported.", "%n messages were imported.", mNumberOfImportedMessages );
KMessageBox::information( mParentWidget, text, i18n( "Import finished." ) );
deleteLater();
}
void KMail::ImportJob::cancelJob()
{
abort( i18n( "The operation was canceled by the user." ) );
}
void KMail::ImportJob::abort( const TQString &errorMessage )
{
if ( mAborted )
return;
mAborted = true;
TQString text = i18n( "Failed to import the archive into folder '%1'." ).tqarg( mRootFolder->name() );
text += "\n" + errorMessage;
if ( mProgressItem ) {
mProgressItem->setComplete();
mProgressItem = 0;
// The progressmanager will delete it
}
KMessageBox::sorry( mParentWidget, text, i18n( "Importing archive failed." ) );
deleteLater();
}
KMFolder * KMail::ImportJob::createSubFolder( KMFolder *parent, const TQString &folderName, mode_t permissions )
{
KMFolder *newFolder = FolderUtil::createSubFolder( parent, parent->child(), folderName, TQString(),
KMFolderTypeMaildir );
if ( !newFolder ) {
abort( i18n( "Unable to create subfolder for folder '%1'." ).tqarg( parent->name() ) );
return 0;
}
else {
newFolder->createChildFolder(); // TODO: Just creating a child folder here is wasteful, only do
// that if really needed. We do it here so we can set the
// permissions
chmod( newFolder->location().latin1(), permissions | S_IXUSR );
chmod( newFolder->subdirLocation().latin1(), permissions | S_IXUSR );
// TODO: chown?
// TODO: what about subdirectories like "cur"?
return newFolder;
}
}
void KMail::ImportJob::enqueueMessages( const KArchiveDirectory *dir, KMFolder *folder )
{
const KArchiveDirectory *messageDir = dynamic_cast<const KArchiveDirectory*>( dir->entry( "cur" ) );
if ( messageDir ) {
Messages messagesToQueue;
messagesToQueue.parent = folder;
const TQStringList entries = messageDir->entries();
for ( uint i = 0; i < entries.size(); i++ ) {
const KArchiveEntry *entry = messageDir->entry( entries[i] );
Q_ASSERT( entry );
if ( entry->isDirectory() ) {
kdWarning(5006) << "Unexpected subdirectory in archive folder " << dir->name() << endl;
}
else {
kdDebug(5006) << "Queueing message " << entry->name() << endl;
const KArchiveFile *file = static_cast<const KArchiveFile*>( entry );
messagesToQueue.files.append( file );
}
}
mQueuedMessages.append( messagesToQueue );
}
else {
kdWarning(5006) << "No 'cur' subdirectory for archive directory " << dir->name() << endl;
}
}
void KMail::ImportJob::messageAdded()
{
mNumberOfImportedMessages++;
if ( mCurrentFolder->folderType() == KMFolderTypeMaildir ||
mCurrentFolder->folderType() == KMFolderTypeCachedImap ) {
const TQString messageFile = mCurrentFolder->location() + "/cur/" + mCurrentMessage->fileName();
// TODO: what if the file is not in the "cur" subdirectory?
if ( TQFile::exists( messageFile ) ) {
chmod( messageFile.latin1(), mCurrentMessageFile->permissions() );
// TODO: changing user/group he requires a bit more work, requires converting the strings
// to uid_t and gid_t
//getpwnam()
//chown( messageFile,
}
else {
kdWarning(5006) << "Unable to change permissions for newly created file: " << messageFile << endl;
}
}
// TODO: Else?
mCurrentMessage = 0;
mCurrentMessageFile = 0;
TQTimer::singleShot( 0, this, TQT_SLOT( importNextMessage() ) );
}
void KMail::ImportJob::importNextMessage()
{
if ( mAborted )
return;
if ( mQueuedMessages.isEmpty() ) {
kdDebug(5006) << "importNextMessage(): Processed all messages in the queue." << endl;
if ( mCurrentFolder ) {
mCurrentFolder->close( "ImportJob" );
}
mCurrentFolder = 0;
importNextDirectory();
return;
}
Messages &messages = mQueuedMessages.front();
if ( messages.files.isEmpty() ) {
mQueuedMessages.pop_front();
importNextMessage();
return;
}
KMFolder *folder = messages.parent;
if ( folder != mCurrentFolder ) {
kdDebug(5006) << "importNextMessage(): Processed all messages in the current folder of the queue." << endl;
if ( mCurrentFolder ) {
mCurrentFolder->close( "ImportJob" );
}
mCurrentFolder = folder;
if ( mCurrentFolder->open( "ImportJob" ) != 0 ) {
abort( i18n( "Unable to open folder '%1'." ).tqarg( mCurrentFolder->name() ) );
return;
}
kdDebug(5006) << "importNextMessage(): Current folder of queue is now: " << mCurrentFolder->name() << endl;
mProgressItem->seStatus( i18n( "Importing folder %1" ).tqarg( mCurrentFolder->name() ) );
}
mProgressItem->setProgress( ( mProgressItem->progress() + 5 ) );
mCurrentMessageFile = messages.files.first();
Q_ASSERT( mCurrentMessageFile );
messages.files.removeFirst();
mCurrentMessage = new KMMessage();
mCurrentMessage->fromByteArray( mCurrentMessageFile->data(), true /* seStatus */ );
int retIndex;
// If this is not an IMAP folder, we can add the message directly. Otherwise, the whole thing is
// async, for online IMAP. While addMsg() fakes a sync call, we rather do it the async way here
// ourselves, as otherwise the whole thing gets pretty much messed up with regards to folder
// refcounting. Furthermore, the completion dialog would be shown before the messages are actually
// uploaded.
if ( mCurrentFolder->folderType() != KMFolderTypeImap ) {
if ( mCurrentFolder->addMsg( mCurrentMessage, &retIndex ) != 0 ) {
abort( i18n( "Failed to add a message to the folder '%1'." ).tqarg( mCurrentFolder->name() ) );
return;
}
messageAdded();
}
else {
ImapJob *imapJob = new ImapJob( mCurrentMessage, ImapJob::tPutMessage,
dynamic_cast<KMFolderImap*>( mCurrentFolder->storage() ) );
connect( imapJob, TQT_SIGNAL(result(KMail::FolderJob*)),
TQT_SLOT(messagePutResult(KMail::FolderJob*)) );
imapJob->start();
}
}
void KMail::ImportJob::messagePutResult( KMail::FolderJob *job )
{
if ( mAborted )
return;
if ( job->error() ) {
abort( i18n( "Failed to upload a message to the IMAP server." ) );
return;
} else {
KMFolderImap *imap = dynamic_cast<KMFolderImap*>( mCurrentFolder->storage() );
Q_ASSERT( imap );
// Ok, we uploaded the message, but we still need to add it to the folder. Use addMsgQuiet(),
// otherwise it will be uploaded again.
imap->addMsgQuiet( mCurrentMessage );
messageAdded();
}
}
// Input: .inbox.directory
// Output: inbox
// Can also return an empty string if this is no valid dir name
static TQString folderNameForDirectoryName( const TQString &dirName )
{
Q_ASSERT( dirName.startsWith( "." ) );
const TQString end = ".directory";
const int expectedIndex = dirName.length() - end.length();
if ( dirName.lower().find( end ) != expectedIndex )
return TQString();
TQString returnName = dirName.left( dirName.length() - end.length() );
returnName = returnName.right( returnName.length() - 1 );
return returnName;
}
KMFolder* KMail::ImportJob::getOrCreateSubFolder( KMFolder *parentFolder, const TQString &subFolderName,
mode_t subFolderPermissions )
{
if ( !parentFolder->createChildFolder() ) {
abort( i18n( "Unable to create subfolder for folder '%1'." ).tqarg( parentFolder->name() ) );
return 0;
}
KMFolder *subFolder = 0;
subFolder = dynamic_cast<KMFolder*>( parentFolder->child()->hasNamedFolder( subFolderName ) );
if ( !subFolder ) {
subFolder = createSubFolder( parentFolder, subFolderName, subFolderPermissions );
}
return subFolder;
}
void KMail::ImportJob::importNextDirectory()
{
if ( mAborted )
return;
if ( mQueuedDirectories.isEmpty() ) {
finish();
return;
}
Folder folder = mQueuedDirectories.first();
KMFolder *currentFolder = folder.parent;
mQueuedDirectories.pop_front();
kdDebug(5006) << "importNextDirectory(): Working on directory " << folder.archiveDir->name() << endl;
TQStringList entries = folder.archiveDir->entries();
for ( uint i = 0; i < entries.size(); i++ ) {
const KArchiveEntry *entry = folder.archiveDir->entry( entries[i] );
Q_ASSERT( entry );
kdDebug(5006) << "Queueing entry " << entry->name() << endl;
if ( entry->isDirectory() ) {
const KArchiveDirectory *dir = static_cast<const KArchiveDirectory*>( entry );
if ( !dir->name().startsWith( "." ) ) {
kdDebug(5006) << "Queueing messages in folder " << entry->name() << endl;
KMFolder *subFolder = getOrCreateSubFolder( currentFolder, entry->name(), entry->permissions() );
if ( !subFolder )
return;
enqueueMessages( dir, subFolder );
}
// Entry starts with a dot, so we assume it is a subdirectory
else {
const TQString folderName = folderNameForDirectoryName( entry->name() );
if ( folderName.isEmpty() ) {
abort( i18n( "Unexpected subdirectory named '%1'." ).tqarg( entry->name() ) );
return;
}
KMFolder *subFolder = getOrCreateSubFolder( currentFolder, folderName, entry->permissions() );
if ( !subFolder )
return;
Folder newFolder;
newFolder.archiveDir = dir;
newFolder.parent = subFolder;
kdDebug(5006) << "Enqueueing directory " << entry->name() << endl;
mQueuedDirectories.push_back( newFolder );
}
}
}
importNextMessage();
}
// TODO:
// BUGS:
// Online IMAP can fail spectacular, for example when cancelling upload
// Online IMAP: Inform that messages are still being uploaded on finish()!
void KMail::ImportJob::start()
{
Q_ASSERT( mRootFolder );
Q_ASSERT( mArchiveFile.isValid() );
KMimeType::Ptr mimeType = KMimeType::findByURL( mArchiveFile, 0, true /* local file */ );
if ( !mimeType->patterns().grep( "tar", false /* no case-sensitive */ ).isEmpty() )
mArchive = new KTar( mArchiveFile.path() );
else if ( !mimeType->patterns().grep( "zip", false ).isEmpty() )
mArchive = new KZip( mArchiveFile.path() );
else {
abort( i18n( "The file '%1' does not appear to be a valid archive." ).tqarg( mArchiveFile.path() ) );
return;
}
if ( !mArchive->open( IO_ReadOnly ) ) {
abort( i18n( "Unable to open archive file '%1'" ).tqarg( mArchiveFile.path() ) );
return;
}
mProgressItem = KPIM::ProgressManager::createProgressItem(
"ImportJob",
i18n( "Importing Archive" ),
TQString(),
true );
mProgressItem->setUsesBusyIndicator( true );
connect( mProgressItem, TQT_SIGNAL(progressItemCanceled(KPIM::ProgressItem*)),
this, TQT_SLOT(cancelJob()) );
Folder nextFolder;
nextFolder.archiveDir = mArchive->directory();
nextFolder.parent = mRootFolder;
mQueuedDirectories.push_back( nextFolder );
importNextDirectory();
}
#include "importjob.moc"