imap enhancements

1 files changed, 4 insertions, 0 deletions

diff --git a/kmicromail/libmailwrapper/imapwrapper.cpp b/kmicromail/libmailwrapper/imapwrapper.cpp
index ca1c7f1..6faa524 100644
--- a/kmicromail/libmailwrapper/imapwrapper.cpp
+++ b/kmicromail/libmailwrapper/imapwrapper.cpp
@@ -66,441 +66,445 @@ void IMAPwrapper::progress( QString m )
     //qDebug("progress ");
     if (  mMax ) mess = mProgrMess +tr(" message %1 of %2").arg( mCurrent++).arg(mMax);
     else mess = mProgrMess +tr(" message %1").arg( mCurrent++);
     Global::statusMessage(mess);
     qApp->processEvents();
 }
 bool IMAPwrapper::start_tls(bool force_tls)
 {
     int err;
     bool try_tls;
     mailimap_capability_data * cap_data = 0;
 
     err = mailimap_capability(m_imap,&cap_data);
     if (err != MAILIMAP_NO_ERROR) {
         Global::statusMessage("error getting capabilities!");
         return false;
     }
     clistiter * cur;
     for(cur = clist_begin(cap_data->cap_list) ; cur != NULL;cur = clist_next(cur)) {
         struct mailimap_capability * cap;
         cap  = (struct mailimap_capability *)clist_content(cur);
         if (cap->cap_type == MAILIMAP_CAPABILITY_NAME) {
             if (strcasecmp(cap->cap_data.cap_name, "STARTTLS") == 0) {
                 try_tls = true;
                 break;
             }
         }
     }
     if (cap_data) {
         mailimap_capability_data_free(cap_data);
     }
     if (try_tls) {
         err =  mailimap_starttls(m_imap);
         if (err != MAILIMAP_NO_ERROR && force_tls) {
             Global::statusMessage(tr("Server has no TLS support!"));
             try_tls = false;
         } else {
             mailstream_low * low;
             mailstream_low * new_low;
             low = mailstream_get_low(m_imap->imap_stream);
             if (!low) {
                 try_tls = false;
             } else {
                 int fd = mailstream_low_get_fd(low);
                 if (fd > -1 && (new_low = mailstream_low_ssl_open(fd))!=0) {
                     mailstream_low_free(low);
                     mailstream_set_low(m_imap->imap_stream, new_low);
                 } else {
                     try_tls = false;
                 }
             }
         }
    }
    return try_tls;
 }
 
 void IMAPwrapper::login()
 {
     QString server, user, pass;
     uint16_t port;
     int err = MAILIMAP_NO_ERROR;
 
     if (account->getOffline()) return;
     /* we are connected this moment */
     /* TODO: setup a timer holding the line or if connection closed - delete the value */
     if (m_imap) {
         err = mailimap_noop(m_imap);
         if (err!=MAILIMAP_NO_ERROR) {
             logout();
         } else {
             mailstream_flush(m_imap->imap_stream);
             return;
         }
     }
     server = account->getServer();
     port = account->getPort().toUInt();
     if ( account->getUser().isEmpty() || account->getPassword().isEmpty() ) {
       LoginDialog login( account->getUser(), account->getPassword(), NULL, 0, true );
       login.show();
       if ( QDialog::Accepted == login.exec() ) {
         // ok
         user = login.getUser();
         pass = login.getPassword();
       } else {
         // cancel
         return;
       }
     } else {
       user = account->getUser();
       pass = account->getPassword();
     }
 
     m_imap = mailimap_new( 20, &imap_progress );
 
     /* connect */
     bool ssl = false;
     bool try_tls = false;
     bool force_tls = false;
 
     if  ( account->ConnectionType() == 2 ) {
         ssl = true;
     }
     if (account->ConnectionType()==1) {
         force_tls = true;
     }
 
     if ( ssl ) {
         qDebug("using ssl ");
         err = mailimap_ssl_connect( m_imap, (char*)server.latin1(), port );
     } else {
         err = mailimap_socket_connect( m_imap, (char*)server.latin1(), port );
     }
 
     if ( err != MAILIMAP_NO_ERROR &&
          err != MAILIMAP_NO_ERROR_AUTHENTICATED &&
          err != MAILIMAP_NO_ERROR_NON_AUTHENTICATED ) {
          QString failure = "";
          if (err == MAILIMAP_ERROR_CONNECTION_REFUSED) {
             failure="Connection refused";
          } else {
             failure="Unknown failure";
          }
          Global::statusMessage(tr("error connecting imap server: %1").arg(failure));
          mailimap_free( m_imap );
          m_imap = 0;
          return;
     }
 
     if (!ssl) {
         try_tls = start_tls(force_tls);
     }
 
     bool ok = true;
     if (force_tls && !try_tls) {
         Global::statusMessage(tr("Server has no TLS support!"));
         ok = false;
     }
 
 
     /* login */
 
     if (ok) {
         err = mailimap_login_simple( m_imap, (char*)user.latin1(), (char*)pass.latin1() );
         if ( err != MAILIMAP_NO_ERROR ) {
             Global::statusMessage(tr("error logging in imap server: %1").arg(m_imap->imap_response));
             ok = false;
         }
     }
     if (!ok) {
         err = mailimap_close( m_imap );
         mailimap_free( m_imap );
         m_imap = 0;
     }
 }
 
 void IMAPwrapper::logout()
 {
     int err = MAILIMAP_NO_ERROR;
     if (!m_imap) return;
     err = mailimap_logout( m_imap );
     err = mailimap_close( m_imap );
     mailimap_free( m_imap );
     m_imap = 0;
     m_Lastmbox = "";
 }
 
 void IMAPwrapper::listMessages(const QString&mailbox,QValueList<Opie::Core::OSmartPointer<RecMail> > &target , int maxSizeInKb)
 {
     int err = MAILIMAP_NO_ERROR;
     clist *result = 0;
     clistcell *current;
     mailimap_fetch_type *fetchType = 0;
     mailimap_set *set = 0;
 
     login();
     if (!m_imap) {
         return;
     }
     /* select mailbox READONLY for operations */
     err = selectMbox(mailbox);
     if ( err != MAILIMAP_NO_ERROR ) {
         return;
     }
 
     int last = m_imap->imap_selection_info->sel_exists;
 
     if (last == 0) {
         Global::statusMessage(tr("Mailbox has no mails"));
         return;
     } else {
     }
 
+    Global::statusMessage(tr("Fetching header list"));
+    qApp->processEvents();
     /* the range has to start at 1!!! not with 0!!!! */
     set = mailimap_set_new_interval( 1, last );
     fetchType = mailimap_fetch_type_new_fetch_att_list_empty();
     mailimap_fetch_type_new_fetch_att_list_add(fetchType,mailimap_fetch_att_new_envelope());
     mailimap_fetch_type_new_fetch_att_list_add(fetchType,mailimap_fetch_att_new_flags());
     mailimap_fetch_type_new_fetch_att_list_add(fetchType,mailimap_fetch_att_new_internaldate());
     mailimap_fetch_type_new_fetch_att_list_add(fetchType,mailimap_fetch_att_new_rfc822_size());
 
     err = mailimap_fetch( m_imap, set, fetchType, &result );
     mailimap_set_free( set );
     mailimap_fetch_type_free( fetchType );
 
     QString date,subject,from;
 
     if ( err == MAILIMAP_NO_ERROR ) {
         mailimap_msg_att * msg_att;
         int i = 0;
         for (current = clist_begin(result); current != 0; current=clist_next(current)) {
             ++i;
             msg_att = (mailimap_msg_att*)current->data;
             RecMail*m = parse_list_result(msg_att);
             if (m) {
                 if ( maxSizeInKb == 0 || m->Msgsize()<=maxSizeInKb*1024 ) {
                     m->setNumber(i);
                     m->setMbox(mailbox);
                     m->setWrapper(this);
                     target.append(m);
                 }
             }
         }
         Global::statusMessage(tr("Mailbox has %1 mails").arg(target.count()));
     } else {
         Global::statusMessage(tr("Error fetching headers: %1").arg(m_imap->imap_response));
     }
     if (result) mailimap_fetch_list_free(result);
 }
 
 QValueList<Opie::Core::OSmartPointer<Folder> >* IMAPwrapper::listFolders()
 {
     const char *path, *mask;
     int err = MAILIMAP_NO_ERROR;
     clist *result = 0;
     clistcell *current = 0;
     clistcell*cur_flag = 0;
     mailimap_mbx_list_flags*bflags = 0;
 
     QValueList<FolderP>* folders = new QValueList<FolderP>();
     login();
     if (!m_imap) {
         return folders;
     }
 
 /*
  * First we have to check for INBOX 'cause it sometimes it's not inside the path.
  * We must not forget to filter them out in next loop!
  * it seems like ugly code. and yes - it is ugly code. but the best way.
  */
+    Global::statusMessage(tr("Fetching folder list"));
+    qApp->processEvents();
     QString temp;
     mask = "INBOX" ;
     mailimap_mailbox_list *list;
     err = mailimap_list( m_imap, (char*)"", (char*)mask, &result );
     QString del;
     bool selectable = true;
     bool no_inferiors = false;
     if ( err == MAILIMAP_NO_ERROR ) {
         current = result->first;
         for ( int i = result->count; i > 0; i-- ) {
             list = (mailimap_mailbox_list *) current->data;
             // it is better use the deep copy mechanism of qt itself
             // instead of using strdup!
             temp = list->mb_name;
             del = list->mb_delimiter;
             current = current->next;
             if ( (bflags = list->mb_flag) ) {
                 selectable = !(bflags->mbf_type==MAILIMAP_MBX_LIST_FLAGS_SFLAG&&
                             bflags->mbf_sflag==MAILIMAP_MBX_LIST_SFLAG_NOSELECT);
                 for(cur_flag=clist_begin(bflags->mbf_oflags);cur_flag;cur_flag=clist_next(cur_flag)) {
                     if ( ((mailimap_mbx_list_oflag*)cur_flag->data)->of_type==MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS) {
                         no_inferiors = true;
                     }
                 }
             }
             folders->append( new IMAPFolder(temp,del,selectable,no_inferiors,account->getPrefix()));
         }
     } else {
         qDebug("error fetching folders: ");
       
     }
     mailimap_list_result_free( result );
 
 /*
  * second stage - get the other then inbox folders
  */
     mask = "*" ;
     path = account->getPrefix().latin1();
     if (!path) path = "";
     err = mailimap_list( m_imap, (char*)path, (char*)mask, &result );
     if ( err == MAILIMAP_NO_ERROR ) {
         current = result->first;
         for ( current=clist_begin(result);current!=NULL;current=clist_next(current)) {
             no_inferiors = false;
             list = (mailimap_mailbox_list *) current->data;
             // it is better use the deep copy mechanism of qt itself
             // instead of using strdup!
             temp = list->mb_name;
             if (temp.lower()=="inbox")
                 continue;
             if (temp.lower()==account->getPrefix().lower())
                 continue;
             if ( (bflags = list->mb_flag) ) {
                 selectable = !(bflags->mbf_type==MAILIMAP_MBX_LIST_FLAGS_SFLAG&&
                             bflags->mbf_sflag==MAILIMAP_MBX_LIST_SFLAG_NOSELECT);
                 for(cur_flag=clist_begin(bflags->mbf_oflags);cur_flag;cur_flag=clist_next(cur_flag)) {
                     if ( ((mailimap_mbx_list_oflag*)cur_flag->data)->of_type==MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS) {
                         no_inferiors = true;
                     }
                 }
             }
             del = list->mb_delimiter;
             folders->append(new IMAPFolder(temp,del,selectable,no_inferiors,account->getPrefix()));
         }
     } else {
         qDebug("error fetching folders  ");
      
     }
     if (result) mailimap_list_result_free( result );
     return folders;
 }
 
 RecMail*IMAPwrapper::parse_list_result(mailimap_msg_att* m_att)
 {
     RecMail * m = 0;
     mailimap_msg_att_item *item=0;
     clistcell *current,*c,*cf;
     mailimap_msg_att_dynamic*flist;
     mailimap_flag_fetch*cflag;
     int size;
     QBitArray mFlags(7);
     QStringList addresslist;
 
     if (!m_att) {
         return m;
     }
     m = new RecMail();
     for (c = clist_begin(m_att->att_list); c!=NULL;c=clist_next(c) ) {
         current = c;
         size = 0;
         item = (mailimap_msg_att_item*)current->data;
         if ( !item )
             continue;
         if (item->att_type!=MAILIMAP_MSG_ATT_ITEM_STATIC) {
             flist = (mailimap_msg_att_dynamic*)item->att_data.att_dyn;
             if (!flist || !flist->att_list) {
                 continue;
             }
             cf = flist->att_list->first;
             if( ! cf )
             for (cf = clist_begin(flist->att_list); cf!=NULL; cf = clist_next(cf)) {
                 cflag = (mailimap_flag_fetch*)cf->data;
                 if( ! cflag )
                     qDebug("imap:not cflag ");
                 if (cflag->fl_type==MAILIMAP_FLAG_FETCH_OTHER && cflag->fl_flag!=0) {
                     switch (cflag->fl_flag->fl_type) {
                     case MAILIMAP_FLAG_ANSWERED:  /* \Answered flag */
                         mFlags.setBit(FLAG_ANSWERED);
                         break;
                     case MAILIMAP_FLAG_FLAGGED:   /* \Flagged flag */
                         mFlags.setBit(FLAG_FLAGGED);
                         break;
                     case MAILIMAP_FLAG_DELETED:   /* \Deleted flag */
                         mFlags.setBit(FLAG_DELETED);
                         break;
                     case MAILIMAP_FLAG_SEEN:      /* \Seen flag */
                         mFlags.setBit(FLAG_SEEN);
                         break;
                     case MAILIMAP_FLAG_DRAFT:     /* \Draft flag */
                         mFlags.setBit(FLAG_DRAFT);
                         break;
                     case MAILIMAP_FLAG_KEYWORD:   /* keyword flag */
                         break;
                     case MAILIMAP_FLAG_EXTENSION: /* \extension flag */
                         break;
                     default:
                         break;
                     }
                 } else if (cflag->fl_type==MAILIMAP_FLAG_FETCH_RECENT) {
                     mFlags.setBit(FLAG_RECENT);
                 }
             }
             continue;
         }
         if ( item->att_data.att_static == NULL )
             continue;
         if (item->att_data.att_static->att_type==MAILIMAP_MSG_ATT_ENVELOPE) {
             mailimap_envelope * head = item->att_data.att_static->att_data.att_env;
             if ( head == NULL )
                 continue;
             if ( head->env_date != NULL ) 
                 m->setDate(head->env_date);
             if ( head->env_subject != NULL ) 
                 m->setSubject(convert_String((const char*)head->env_subject));
             //m->setSubject(head->env_subject);
             if (head->env_from!=NULL) {
                 addresslist = address_list_to_stringlist(head->env_from->frm_list);
                 if (addresslist.count()) {
                     m->setFrom(addresslist.first());
                 }
             }
             if (head->env_to!=NULL) {
                 addresslist = address_list_to_stringlist(head->env_to->to_list);
                 m->setTo(addresslist);
             }
             if (head->env_cc!=NULL) {
                 addresslist = address_list_to_stringlist(head->env_cc->cc_list);
                 m->setCC(addresslist);
             }
             if (head->env_bcc!=NULL) {
                 addresslist = address_list_to_stringlist(head->env_bcc->bcc_list);
                 m->setBcc(addresslist);
             }
             /* reply to address, eg. email. */
             if (head->env_reply_to!=NULL) {
                 addresslist = address_list_to_stringlist(head->env_reply_to->rt_list);
                 if (addresslist.count()) {
                     m->setReplyto(addresslist.first());
                 }
             }
             if (head->env_in_reply_to!=NULL) {
                 QString h(head->env_in_reply_to);
                 while (h.length()>0 && h[0]=='<') {
                     h.remove(0,1);
                 }
                 while (h.length()>0 && h[h.length()-1]=='>') {
                     h.remove(h.length()-1,1);
                 }
                 if (h.length()>0) {
                     m->setInreply(QStringList(h));
                 }
             }
             if (head->env_message_id != NULL) {
                 m->setMsgid(QString(head->env_message_id));
             }
         } else if (item->att_data.att_static->att_type==MAILIMAP_MSG_ATT_INTERNALDATE) {
 #if 0
             mailimap_date_time*d = item->att_data.att_static->att_data.att_internal_date;
             QDateTime da(QDate(d->dt_year,d->dt_month,d->dt_day),QTime(d->dt_hour,d->dt_min,d->dt_sec));
             qDebug("time %s ",da.toString().latin1() );
 #endif
         } else if (item->att_data.att_static->att_type==MAILIMAP_MSG_ATT_RFC822_SIZE) {