complete sync of 2002-10-04
[claws.git] / src / inc.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <gtk/gtkmain.h>
28 #include <gtk/gtkwindow.h>
29 #include <gtk/gtksignal.h>
30 #include <gtk/gtkprogressbar.h>
31 #include <stdio.h>
32 #include <unistd.h>
33 #include <string.h>
34 #include <time.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <sys/wait.h>
38 #include <signal.h>
39 #include <errno.h>
40
41 #include "intl.h"
42 #include "main.h"
43 #include "inc.h"
44 #include "mainwindow.h"
45 #include "folderview.h"
46 #include "summaryview.h"
47 #include "prefs_common.h"
48 #include "prefs_account.h"
49 #include "account.h"
50 #include "procmsg.h"
51 #include "socket.h"
52 #include "ssl.h"
53 #include "pop.h"
54 #include "recv.h"
55 #include "mbox.h"
56 #include "utils.h"
57 #include "gtkutils.h"
58 #include "statusbar.h"
59 #include "manage_window.h"
60 #include "stock_pixmap.h"
61 #include "progressdialog.h"
62 #include "inputdialog.h"
63 #include "alertpanel.h"
64 #include "filter.h"
65 #include "automaton.h"
66 #include "folder.h"
67 #include "filtering.h"
68 #include "selective_download.h"
69
70 static GList *inc_dialog_list = NULL;
71
72 static guint inc_lock_count = 0;
73
74 static GdkPixmap *currentxpm;
75 static GdkBitmap *currentxpmmask;
76 static GdkPixmap *errorxpm;
77 static GdkBitmap *errorxpmmask;
78 static GdkPixmap *okxpm;
79 static GdkBitmap *okxpmmask;
80
81 #define MSGBUFSIZE      8192
82
83 static void inc_finished                (MainWindow             *mainwin,
84                                          gboolean                new_messages);
85 static gint inc_account_mail            (PrefsAccount           *account,
86                                          MainWindow             *mainwin);
87
88 static IncProgressDialog *inc_progress_dialog_create    (void);
89 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
90
91 static IncSession *inc_session_new      (PrefsAccount           *account);
92 static void inc_session_destroy         (IncSession             *session);
93 static gint inc_start                   (IncProgressDialog      *inc_dialog);
94 static IncState inc_pop3_session_do     (IncSession             *session);
95 static gint pop3_automaton_terminate    (SockInfo               *source,
96                                          Automaton              *atm);
97
98 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
99                                          gint            count,
100                                          gint            read_bytes,
101                                          gpointer        data);
102
103 static void inc_put_error               (IncState        istate);
104
105 static void inc_cancel_cb               (GtkWidget      *widget,
106                                          gpointer        data);
107 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
108                                          GdkEventAny    *event,
109                                          gpointer        data);
110
111 static gint inc_spool                   (void);
112 static gint get_spool                   (FolderItem     *dest,
113                                          const gchar    *mbox);
114
115 static void inc_spool_account(PrefsAccount *account);
116 static void inc_all_spool(void);
117 static void inc_autocheck_timer_set_interval    (guint           interval);
118 static gint inc_autocheck_func                  (gpointer        data);
119
120 static void inc_notify_cmd              (gint new_msgs, 
121                                          gboolean notify);
122
123 #define FOLDER_SUMMARY_MISMATCH(f, s) \
124         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
125         : FALSE
126         
127 /**
128  * inc_finished:
129  * @mainwin: Main window.
130  * @new_messages: TRUE if some messages have been received.
131  * 
132  * Update the folder view and the summary view after receiving
133  * messages.  If @new_messages is FALSE, this function avoids unneeded
134  * updating.
135  **/
136 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
137 {
138         FolderItem *item;
139
140         if (prefs_common.scan_all_after_inc)
141                 folderview_check_new(NULL);
142
143         if (!new_messages && !prefs_common.scan_all_after_inc) return;
144
145         if (prefs_common.open_inbox_on_inc) {
146                 item = cur_account && cur_account->inbox
147                         ? folder_find_item_from_identifier(cur_account->inbox)
148                         : folder_get_default_inbox();
149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {      
150                         folderview_unselect(mainwin->folderview);
151                         folderview_select(mainwin->folderview, item);
152                 }       
153         } else if (prefs_common.scan_all_after_inc) {
154                 item = mainwin->summaryview->folder_item;
155                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
156                         folderview_update_item(item, TRUE);
157                 }       
158         }
159 }
160
161 void inc_mail(MainWindow *mainwin, gboolean notify)
162 {
163         gint new_msgs = 0;
164
165         if (inc_lock_count) return;
166
167         if (prefs_common.work_offline)
168                 if (alertpanel(_("Offline warning"), 
169                                _("You're working offline. Override?"),
170                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
171                 return;
172
173         inc_autocheck_timer_remove();
174         main_window_lock(mainwin);
175
176         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
177                 /* external incorporating program */
178                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
179                         main_window_unlock(mainwin);
180                         inc_autocheck_timer_set();
181                         return;
182                 }
183
184                 if (prefs_common.inc_local)
185                         new_msgs = inc_spool();
186
187                 if (new_msgs <= 0)
188                         new_msgs = 1;
189         } else {
190                 if (prefs_common.inc_local) {
191                         new_msgs = inc_spool();
192                         if (new_msgs < 0)
193                                 new_msgs = 0;
194                 }
195                 cur_account->session = STYPE_NORMAL;
196                 new_msgs += inc_account_mail(cur_account, mainwin);
197         }
198
199         inc_finished(mainwin, new_msgs > 0);
200         main_window_unlock(mainwin);
201         inc_notify_cmd(new_msgs, notify);
202         inc_autocheck_timer_set();
203 }
204
205 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
206 {
207         GSList *cur;
208         gint new_msgs = 0;
209
210         acc->session = session;
211         inc_account_mail(acc, mainwin);
212         acc->session = STYPE_NORMAL;
213         
214         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
215                 HeaderItems *items =(HeaderItems*)cur->data;
216
217                 if (items->state == SD_DOWNLOADED && 
218                     items->del_by_old_session == FALSE) {
219                         new_msgs++;                     
220                 }
221         }
222
223         if (new_msgs) {
224                 inc_finished(mainwin, TRUE);
225                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
226         }
227 }
228
229 void inc_pop_before_smtp(PrefsAccount *acc)
230 {
231         acc->session = STYPE_POP_BEFORE_SMTP;
232         inc_account_mail(acc, NULL);
233 }
234
235 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
236 {
237         IncProgressDialog *inc_dialog;
238         IncSession *session;
239         gchar *text[3];
240         FolderItem *item;
241         
242         if(mainwin && mainwin->summaryview)
243                 item = mainwin->summaryview->folder_item;
244
245         switch (account->protocol) {
246         case A_IMAP4:
247         case A_NNTP:
248                 folderview_check_new(FOLDER(account->folder));
249                 if (!prefs_common.scan_all_after_inc && item != NULL &&
250                     FOLDER(account->folder) == item->folder)
251                         folderview_update_item(item, TRUE);
252                 return 1;
253
254         case A_POP3:
255         case A_APOP:
256                 session = inc_session_new(account);
257                 if (!session) return 0;
258                 
259                 inc_dialog = inc_progress_dialog_create();
260                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
261                                                        session);
262                 inc_dialog->mainwin = mainwin;
263                 session->data = inc_dialog;
264         
265                 text[0] = NULL;
266                 text[1] = account->account_name;
267                 text[2] = _("Standby");
268                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
269                 
270                 if (mainwin) {
271                         toolbar_set_sensitive(mainwin);
272                         main_window_set_menu_sensitive(mainwin);
273                 }
274                         
275                 return inc_start(inc_dialog);
276
277         case A_LOCAL:
278                 inc_spool_account(account);
279                 return 1;
280
281         default:
282                 break;
283         }
284         return 0;
285 }
286
287 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
288 {
289         GList *list, *queue_list = NULL;
290         IncProgressDialog *inc_dialog;
291         gint new_msgs = 0;
292         
293         if (prefs_common.work_offline)
294                 if (alertpanel(_("Offline warning"), 
295                                _("You're working offline. Override?"),
296                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
297                 return;
298
299         if (inc_lock_count) return;
300
301         inc_autocheck_timer_remove();
302         main_window_lock(mainwin);
303
304         if (prefs_common.inc_local) {
305                 new_msgs = inc_spool();
306                 if (new_msgs < 0)
307                         new_msgs = 0;
308         }
309
310         list = account_get_list();
311         if (!list) {
312                 inc_finished(mainwin, new_msgs > 0);
313                 main_window_unlock(mainwin);
314                 inc_notify_cmd(new_msgs, notify);
315                 inc_autocheck_timer_set();
316                 return;
317         }
318
319         /* check local folders */
320         inc_all_spool();
321
322         /* check IMAP4 folders */
323         for (; list != NULL; list = list->next) {
324                 PrefsAccount *account = list->data;
325                 if ((account->protocol == A_IMAP4 ||
326                      account->protocol == A_NNTP) && account->recv_at_getall) {
327                         FolderItem *item = mainwin->summaryview->folder_item;
328
329                         folderview_check_new(FOLDER(account->folder));
330                         if (!prefs_common.scan_all_after_inc && item != NULL &&
331                             FOLDER(account->folder) == item->folder)
332                                 folderview_update_item(item, TRUE);
333                 }
334         }
335
336         /* check POP3 accounts */
337         for (list = account_get_list(); list != NULL; list = list->next) {
338                 IncSession *session;
339                 PrefsAccount *account = list->data;
340                 account->session = STYPE_NORMAL;
341                 if (account->recv_at_getall) {
342                         session = inc_session_new(account);
343                         if (session)
344                                 queue_list = g_list_append(queue_list, session);
345                 }
346         }
347
348         if (!queue_list) {
349                 inc_finished(mainwin, new_msgs > 0);
350                 main_window_unlock(mainwin);
351                 inc_notify_cmd(new_msgs, notify);
352                 inc_autocheck_timer_set();
353                 return;
354         }
355
356         inc_dialog = inc_progress_dialog_create();
357         inc_dialog->queue_list = queue_list;
358         inc_dialog->mainwin = mainwin;
359         for (list = queue_list; list != NULL; list = list->next) {
360                 IncSession *session = list->data;
361                 gchar *text[3];
362
363                 session->data = inc_dialog;
364
365                 text[0] = NULL;
366                 text[1] = session->pop3_state->ac_prefs->account_name;
367                 text[2] = _("Standby");
368                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
369         }
370
371         toolbar_set_sensitive(mainwin);
372         main_window_set_menu_sensitive(mainwin);
373
374         new_msgs += inc_start(inc_dialog);
375
376         inc_finished(mainwin, new_msgs > 0);
377         main_window_unlock(mainwin);
378         inc_notify_cmd(new_msgs, notify);
379         inc_autocheck_timer_set();
380 }
381
382 static IncProgressDialog *inc_progress_dialog_create(void)
383 {
384         IncProgressDialog *dialog;
385         ProgressDialog *progress;
386
387         dialog = g_new0(IncProgressDialog, 1);
388
389         progress = progress_dialog_create();
390         gtk_window_set_title(GTK_WINDOW(progress->window),
391                              _("Retrieving new messages"));
392         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
393                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
394         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
395                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
396         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
397
398         progress_dialog_set_value(progress, 0.0);
399
400         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
401                          &okxpm, &okxpmmask);
402         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
403                          &currentxpm, &currentxpmmask);
404         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
405                          &errorxpm, &errorxpmmask);
406
407         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
408             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
409              manage_window_get_focus_window())) {
410                 dialog->show_dialog = TRUE;
411                 gtk_widget_show_now(progress->window);
412         }
413
414         dialog->dialog = progress;
415         dialog->queue_list = NULL;
416
417         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
418
419         return dialog;
420 }
421
422 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
423 {
424         progress_dialog_set_value(inc_dialog->dialog, 0.0);
425         progress_dialog_set_label(inc_dialog->dialog, "");
426         if (inc_dialog->mainwin)
427                 gtk_progress_bar_update
428                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
429 }
430
431 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
432 {
433         g_return_if_fail(inc_dialog != NULL);
434
435         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
436         if (inc_dialog->mainwin)
437                 gtk_progress_bar_update
438                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
439         progress_dialog_destroy(inc_dialog->dialog);
440
441         g_free(inc_dialog);
442 }
443
444 static IncSession *inc_session_new(PrefsAccount *account)
445 {
446         IncSession *session;
447
448         g_return_val_if_fail(account != NULL, NULL);
449
450         if (account->protocol != A_POP3 && account->protocol != A_APOP)
451                 return NULL;
452         if (!account->recv_server || !account->userid)
453                 return NULL;
454
455         session = g_new0(IncSession, 1);
456         session->pop3_state = pop3_state_new(account);
457         session->pop3_state->data = session;
458
459         return session;
460 }
461
462 static void inc_session_destroy(IncSession *session)
463 {
464         g_return_if_fail(session != NULL);
465
466         pop3_state_destroy(session->pop3_state);
467         g_free(session);
468 }
469
470 static gint inc_start(IncProgressDialog *inc_dialog)
471 {
472         IncSession *session;
473         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
474         Pop3State *pop3_state;
475         IncState inc_state;
476         gint num = 0;
477         gint error_num = 0;
478         gint new_msgs = 0;
479         gchar *msg;
480         gchar *fin_msg;
481
482         while (inc_dialog->queue_list != NULL) {
483                 session = inc_dialog->queue_list->data;
484                 pop3_state = session->pop3_state;
485
486                 inc_progress_dialog_clear(inc_dialog);
487
488                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
489
490                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
491                 if (pop3_state->ac_prefs->passwd)
492                         pop3_state->pass =
493                                 g_strdup(pop3_state->ac_prefs->passwd);
494                 else if (pop3_state->ac_prefs->tmp_pass)
495                         pop3_state->pass =
496                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
497                 else {
498                         gchar *pass;
499
500                         pass = input_dialog_query_password
501                                 (pop3_state->ac_prefs->recv_server,
502                                  pop3_state->user);
503
504                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
505                                 manage_window_focus_in
506                                         (inc_dialog->mainwin->window,
507                                          NULL, NULL);
508                         if (pass) {
509                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
510                                 pop3_state->pass = pass;
511                         } else {
512                                 inc_session_destroy(session);
513                                 inc_dialog->queue_list = g_list_remove
514                                         (inc_dialog->queue_list, session);
515                                 continue;
516                         }
517                 }
518
519                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
520                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
521
522                 /* begin POP3 session */
523                 inc_state = inc_pop3_session_do(session);
524
525                 switch (inc_state) {
526                 case INC_SUCCESS:
527                         if (pop3_state->cur_total_num > 0)
528                                 msg = g_strdup_printf
529                                         (_("Done (%d message(s) (%s) received)"),
530                                          pop3_state->cur_total_num,
531                                          to_human_readable(pop3_state->cur_total_recv_bytes));
532                         else
533                                 msg = g_strdup_printf(_("Done (no new messages)"));
534                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
535                         gtk_clist_set_text(clist, num, 2, msg);
536                         g_free(msg);
537                         break;
538                 case INC_CONNECT_ERROR:
539                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
540                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
541                         break;
542                 case INC_AUTH_FAILED:
543                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
544                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
545                         break;
546                 case INC_LOCKED:
547                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
548                         gtk_clist_set_text(clist, num, 2, _("Locked"));
549                         break;
550                 case INC_ERROR:
551                 case INC_NOSPACE:
552                 case INC_SOCKERR:
553                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
554                         gtk_clist_set_text(clist, num, 2, _("Error"));
555                         break;
556                 case INC_CANCEL:
557                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
558                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
559                         break;
560                 default:
561                         break;
562                 }
563                 
564                 if (pop3_state->error_val == PS_AUTHFAIL) {
565                         if(!prefs_common.no_recv_err_panel) {
566                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
567                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
568                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
569                                 }
570                                 alertpanel_error
571                                         (_("Authorization for %s on %s failed"),
572                                          pop3_state->user,
573                                          pop3_state->ac_prefs->recv_server);
574                         }
575                 }
576
577                 statusbar_pop_all();
578
579                 /* CLAWS: perform filtering actions on dropped message */
580                 if (global_processing != NULL) {
581                         FolderItem *processing, *inbox;
582                         MsgInfo *msginfo;
583                         GSList *msglist, *msglist_element;
584
585                         /* CLAWS: get default inbox (perhaps per account) */
586                         if (pop3_state->ac_prefs->inbox) {
587                                 /* CLAWS: get destination folder / mailbox */
588                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
589                                 if (!inbox)
590                                         inbox = folder_get_default_inbox();
591                         } else
592                                 inbox = folder_get_default_inbox();
593
594                         /* get list of messages in processing */
595                         processing = folder_get_default_processing();
596                         folder_item_scan(processing);
597                         msglist = folder_item_get_msg_list(processing);
598
599                         /* process messages */
600                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
601                                 msginfo = (MsgInfo *) msglist_element->data;
602                                 /* filter if enabled in prefs or move to inbox if not */
603                                 if(pop3_state->ac_prefs->filter_on_recv) {
604                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
605                                                                              inbox);
606                                 } else {
607                                         folder_item_move_msg(inbox, msginfo);
608                                 }
609                                 procmsg_msginfo_free(msginfo);
610                         }
611                         g_slist_free(msglist);
612                 }
613
614
615                 new_msgs += pop3_state->cur_total_num;
616
617                 if (!prefs_common.scan_all_after_inc) {
618                         folderview_update_items_when_required
619                                  (!prefs_common.open_inbox_on_inc);
620                 }
621
622                 if (pop3_state->error_val == PS_AUTHFAIL &&
623                     pop3_state->ac_prefs->tmp_pass) {
624                         g_free(pop3_state->ac_prefs->tmp_pass);
625                         pop3_state->ac_prefs->tmp_pass = NULL;
626                 }
627
628                 pop3_write_uidl_list(pop3_state);
629
630                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
631                         error_num++;
632                         if (inc_state == INC_NOSPACE || inc_state == INC_SOCKERR) {
633                                 inc_put_error(inc_state);
634                                 break;
635                         }
636                 }
637
638                 inc_session_destroy(session);
639                 inc_dialog->queue_list =
640                         g_list_remove(inc_dialog->queue_list, session);
641
642                 num++;
643         }
644
645         if (new_msgs > 0)
646                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
647                                           new_msgs);
648         else
649                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
650
651         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
652
653         if (error_num && !prefs_common.no_recv_err_panel) {
654                 if (inc_dialog->show_dialog)
655                         manage_window_focus_in(inc_dialog->dialog->window,
656                                                NULL, NULL);
657                 alertpanel_error(_("Some errors occurred while getting mail."));
658                 if (inc_dialog->show_dialog)
659                         manage_window_focus_out(inc_dialog->dialog->window,
660                                                 NULL, NULL);
661         }
662
663         while (inc_dialog->queue_list != NULL) {
664                 session = inc_dialog->queue_list->data;
665                 inc_session_destroy(session);
666                 inc_dialog->queue_list =
667                         g_list_remove(inc_dialog->queue_list, session);
668         }
669
670         if (prefs_common.close_recv_dialog)
671                 inc_progress_dialog_destroy(inc_dialog);
672         else {
673                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
674                                      fin_msg);
675                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
676                                    _("Close"));
677         }
678
679         g_free(fin_msg);
680
681         return new_msgs;
682 }
683
684 static IncState inc_pop3_session_do(IncSession *session)
685 {
686         Pop3State *pop3_state = session->pop3_state;
687         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
688         Automaton *atm;
689         SockInfo *sockinfo;
690         gint i;
691         gchar *server;
692         gushort port;
693         gchar *buf;
694         static AtmHandler handlers[] = {
695                 pop3_greeting_recv      ,
696 #if USE_SSL
697                 pop3_stls_send          , pop3_stls_recv,
698 #endif
699                 pop3_getauth_user_send  , pop3_getauth_user_recv,
700                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
701                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
702                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
703                 pop3_getrange_last_send , pop3_getrange_last_recv,
704                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
705                 pop3_getsize_list_send  , pop3_getsize_list_recv,
706                 pop3_top_send           , pop3_top_recv,
707                 pop3_retr_send          , pop3_retr_recv,
708                 pop3_delete_send        , pop3_delete_recv,
709                 pop3_logout_send        , pop3_logout_recv
710         };
711
712         debug_print("getting new messages of account %s...\n",
713                     pop3_state->ac_prefs->account_name);
714
715         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
716         atm = automaton_create(N_POP3_PHASE);
717
718         session->atm = atm;
719         atm->data = pop3_state;
720
721         buf = g_strdup_printf(_("%s: Retrieving new messages"),
722                               pop3_state->ac_prefs->recv_server);
723         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
724         g_free(buf);
725
726         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
727                 atm->state[i].handler = handlers[i];
728         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
729         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
730                 atm->state[i++].condition = GDK_INPUT_WRITE;
731                 atm->state[i++].condition = GDK_INPUT_READ;
732         }
733
734         atm->terminate = (AtmHandler)pop3_automaton_terminate;
735         atm->ui_func = (AtmUIFunc)inc_progress_update;
736
737         atm->num = POP3_GREETING_RECV;
738
739         server = pop3_state->ac_prefs->recv_server;
740 #if USE_SSL
741         port = pop3_state->ac_prefs->set_popport ?
742                 pop3_state->ac_prefs->popport :
743                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
744 #else
745         port = pop3_state->ac_prefs->set_popport ?
746                 pop3_state->ac_prefs->popport : 110;
747 #endif
748
749         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
750         log_message("%s\n", buf);
751         progress_dialog_set_label(inc_dialog->dialog, buf);
752         g_free(buf);
753         GTK_EVENTS_FLUSH();
754         statusbar_pop_all();
755
756         if ((sockinfo = sock_connect(server, port)) == NULL) {
757                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
758                             server, port);
759                 if(!prefs_common.no_recv_err_panel) {
760                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
761                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
762                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
763                         }
764                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
765                                          server, port);
766                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
767                 }
768                 pop3_automaton_terminate(NULL, atm);
769                 automaton_destroy(atm);
770                 session->inc_state = INC_CONNECT_ERROR;
771                 return INC_CONNECT_ERROR;
772         }
773
774 #if USE_SSL
775         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
776             !ssl_init_socket(sockinfo)) {
777                 pop3_automaton_terminate(sockinfo, atm);
778                 automaton_destroy(atm);
779                 session->inc_state = INC_CONNECT_ERROR;
780                 return INC_CONNECT_ERROR;
781         }
782 #endif
783
784         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
785          * to the sock structure - implement a reference counter?? */
786         pop3_state->sockinfo = sockinfo;
787         atm->help_sock = sockinfo;
788
789         log_verbosity_set(TRUE);
790         /* oha: this messes up inc_progress update:
791            disabling this would avoid the label "Retrieve Header"
792            being overwritten by "Retrieve Message"
793            Setting inc_pop3_recv_func is not necessary
794            since atm already handles the progress dialog ui
795            just fine.
796         */
797         recv_set_ui_func(inc_pop3_recv_func, session);
798
799         atm->tag = sock_gdk_input_add(sockinfo,
800                                       atm->state[atm->num].condition,
801                                       automaton_input_cb, atm);
802
803         while (!atm->terminated && !atm->cancelled)
804                 gtk_main_iteration();
805
806         if (!atm->terminated)
807                 pop3_automaton_terminate(sockinfo, atm);
808
809         log_verbosity_set(FALSE);
810         /* oha: see above */
811         recv_set_ui_func(NULL, NULL);
812
813         automaton_destroy(atm);
814
815         if (session->inc_state != INC_SUCCESS)
816                 return session->inc_state;
817
818         switch (pop3_state->error_val) {
819         case PS_SUCCESS:
820                 session->inc_state = INC_SUCCESS;
821                 break;
822         case PS_AUTHFAIL:
823                 session->inc_state = INC_AUTH_FAILED;
824                 break;
825         case PS_IOERR:
826                 session->inc_state = INC_NOSPACE;
827                 break;
828         case PS_SOCKET:
829                 session->inc_state = INC_SOCKERR;
830                 break;
831         case PS_LOCKBUSY:
832                 session->inc_state = INC_LOCKED;
833                 break;
834         default:
835                 session->inc_state = INC_ERROR;
836                 break;
837         }
838
839         return session->inc_state;
840 }
841
842 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
843 {
844         if (atm->terminated) return 0;
845
846         if (atm->tag > 0) {
847                 gdk_input_remove(atm->tag);
848                 atm->tag = 0;
849         }
850         if (atm->timeout_tag > 0) {
851                 gtk_timeout_remove(atm->timeout_tag);
852                 atm->timeout_tag = 0;
853         }
854         if (source)
855                 sock_close(source);
856
857         atm->terminated = TRUE;
858
859         return 0;
860 }
861
862 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
863                                    gpointer data)
864 {
865         gchar buf[MSGBUFSIZE];
866         IncSession *session = (IncSession *)data;
867         Pop3State *state = session->pop3_state;
868         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
869         ProgressDialog *dialog = inc_dialog->dialog;
870         gint cur_total;
871         gchar *total_size;
872
873         cur_total = state->cur_total_bytes + read_bytes;
874         if (cur_total > state->total_bytes)
875                 cur_total = state->total_bytes;
876
877         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
878                   return FALSE);
879         g_snprintf(buf, sizeof(buf),
880                    _("Retrieving message (%d / %d) (%s / %s)"),
881                    state->cur_msg, state->count,
882                    to_human_readable(cur_total), total_size);
883         progress_dialog_set_label(dialog, buf);
884
885         progress_dialog_set_percentage
886                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
887         if (inc_dialog->mainwin)
888                 gtk_progress_bar_update
889                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
890                          (gfloat)cur_total / (gfloat)state->total_bytes);
891         GTK_EVENTS_FLUSH();
892
893         if (session->inc_state == INC_CANCEL)
894                 return FALSE;
895         else
896                 return TRUE;
897 }
898
899 void inc_progress_update(Pop3State *state, Pop3Phase phase)
900 {
901         gchar buf[MSGBUFSIZE];
902         IncSession *session = (IncSession *)state->data;
903         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
904         ProgressDialog *dialog = inc_dialog->dialog;
905         gchar *total_size;
906
907         switch (phase) {
908         case POP3_GREETING_RECV:
909                 break;
910         case POP3_GETAUTH_USER_SEND:
911         case POP3_GETAUTH_PASS_SEND:
912         case POP3_GETAUTH_APOP_SEND:
913                 progress_dialog_set_label(dialog, _("Authenticating..."));
914                 break;
915         case POP3_GETRANGE_STAT_SEND:
916                 progress_dialog_set_label
917                         (dialog, _("Getting the number of new messages (STAT)..."));
918                 break;
919         case POP3_GETRANGE_LAST_SEND:
920                 progress_dialog_set_label
921                         (dialog, _("Getting the number of new messages (LAST)..."));
922                 break;
923         case POP3_GETRANGE_UIDL_SEND:
924                 progress_dialog_set_label
925                         (dialog, _("Getting the number of new messages (UIDL)..."));
926                 break;
927         case POP3_GETSIZE_LIST_SEND:
928                 progress_dialog_set_label
929                         (dialog, _("Getting the size of messages (LIST)..."));
930                 break;
931         case POP3_TOP_SEND:
932                 g_snprintf(buf, sizeof(buf),
933                            _("Retrieving header (%d / %d)"),
934                            state->cur_msg, state->count);
935                 progress_dialog_set_label (dialog, buf);
936                 progress_dialog_set_percentage
937                         (dialog,
938                          (gfloat)(state->cur_msg) /
939                          (gfloat)(state->count));
940                 if (inc_dialog->mainwin)
941                         gtk_progress_bar_update 
942                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
943                                  (gfloat)(state->cur_msg) /
944                                  (gfloat)(state->count));
945                 break;
946         case POP3_RETR_SEND:
947                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
948                 g_snprintf(buf, sizeof(buf),
949                            _("Retrieving message (%d / %d) (%s / %s)"),
950                            state->cur_msg, state->count,
951                            to_human_readable(state->cur_total_bytes),
952                            total_size);
953                 progress_dialog_set_label(dialog, buf);
954                 progress_dialog_set_percentage
955                         (dialog,
956                          (gfloat)(state->cur_total_bytes) /
957                          (gfloat)(state->total_bytes));
958                 if (inc_dialog->mainwin)
959                         gtk_progress_bar_update
960                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
961                                  (gfloat)(state->cur_total_bytes) /
962                                  (gfloat)(state->total_bytes));
963                 break;
964         case POP3_DELETE_SEND:
965                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
966                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
967                                    state->cur_msg);
968                         progress_dialog_set_label(dialog, buf);
969                 }
970                 break;
971         case POP3_LOGOUT_SEND:
972                 progress_dialog_set_label(dialog, _("Quitting"));
973                 break;
974         default:
975                 break;
976         }
977 }
978
979 gint inc_drop_message(const gchar *file, Pop3State *state)
980 {
981         FolderItem *inbox;
982         FolderItem *dropfolder;
983         gint msgnum;
984
985         /* CLAWS: get default inbox (perhaps per account) */
986         if (state->ac_prefs->inbox) {
987                 /* CLAWS: get destination folder / mailbox */
988                 inbox = folder_find_item_from_identifier
989                         (state->ac_prefs->inbox);
990                 if (!inbox)
991                         inbox = folder_get_default_inbox();
992         } else
993                 inbox = folder_get_default_inbox();
994         if (!inbox) {
995                 unlink(file);
996                 return -1;
997         }
998
999         /* CLAWS: claws uses a global .processing folder for the filtering. */
1000         if (global_processing == NULL) {
1001                 if (state->ac_prefs->filter_on_recv) {
1002                         dropfolder =
1003                                 filter_get_dest_folder(prefs_common.fltlist, file);
1004                         if (!dropfolder) dropfolder = inbox;
1005                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
1006                                 debug_print("a message won't be received\n");
1007                                 unlink(file);
1008                                 return 1;
1009                         }
1010                 } else
1011                         dropfolder = inbox;
1012         } else {
1013                 dropfolder = folder_get_default_processing();
1014         }
1015
1016         /* add msg file to drop folder */
1017         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1018                 unlink(file);
1019                 return -1;
1020         }
1021
1022         return 0;
1023 }
1024
1025 static void inc_put_error(IncState istate)
1026 {
1027         switch (istate) {
1028         case INC_ERROR:
1029                 if (!prefs_common.no_recv_err_panel)
1030                         alertpanel_error
1031                                 (_("Error occurred while processing mail."));
1032                 break;
1033         case INC_NOSPACE:
1034                 alertpanel_error(_("No disk space left."));
1035                 break;
1036         case INC_SOCKERR:
1037                 alertpanel_error(_("Socket error."));
1038                 break;
1039         case INC_LOCKED:
1040                 if (!prefs_common.no_recv_err_panel)
1041                         alertpanel_error(_("Mailbox is locked."));
1042                 break;
1043         default:
1044                 break;
1045         }
1046 }
1047
1048 static void inc_cancel(IncProgressDialog *dialog)
1049 {
1050         IncSession *session;
1051         SockInfo *sockinfo;
1052
1053         g_return_if_fail(dialog != NULL);
1054
1055         if (dialog->queue_list == NULL) {
1056                 inc_progress_dialog_destroy(dialog);
1057                 return;
1058         }
1059
1060         session = dialog->queue_list->data;
1061         sockinfo = session->pop3_state->sockinfo;
1062
1063         if (!sockinfo || session->atm->terminated == TRUE) return;
1064
1065         session->pop3_state->cancelled = TRUE;
1066         session->inc_state = INC_CANCEL;
1067         session->atm->cancelled = TRUE;
1068
1069         log_message(_("Incorporation cancelled\n"));
1070 }
1071
1072 gboolean inc_is_active(void)
1073 {
1074         return (inc_dialog_list != NULL);
1075 }
1076
1077 void inc_cancel_all(void)
1078 {
1079         GList *cur;
1080
1081         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1082                 inc_cancel((IncProgressDialog *)cur->data);
1083 }
1084
1085 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1086 {
1087         inc_cancel((IncProgressDialog *)data);
1088 }
1089
1090 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1091                                  gpointer data)
1092 {
1093         IncProgressDialog *dialog = (IncProgressDialog *)data;
1094
1095         if (dialog->queue_list == NULL)
1096                 inc_progress_dialog_destroy(dialog);
1097
1098         return TRUE;
1099 }
1100
1101 static gint inc_spool(void)
1102 {
1103         gchar *mbox, *logname;
1104         gint msgs;
1105
1106         logname = g_get_user_name();
1107         mbox = g_strconcat(prefs_common.spool_path
1108                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1109                            G_DIR_SEPARATOR_S, logname, NULL);
1110         msgs = get_spool(folder_get_default_inbox(), mbox);
1111         g_free(mbox);
1112
1113         return msgs;
1114 }
1115
1116 static void inc_spool_account(PrefsAccount *account)
1117 {
1118         FolderItem *inbox;
1119
1120         if (account->inbox) {
1121                 inbox = folder_find_item_from_path(account->inbox);
1122                 if (!inbox)
1123                         inbox = folder_get_default_inbox();
1124         } else
1125                 inbox = folder_get_default_inbox();
1126
1127         get_spool(inbox, account->local_mbox);
1128 }
1129
1130 static void inc_all_spool(void)
1131 {
1132         GList *list = NULL;
1133
1134         list = account_get_list();
1135         if (!list) return;
1136
1137         for (; list != NULL; list = list->next) {
1138                 PrefsAccount *account = list->data;
1139
1140                 if ((account->protocol == A_LOCAL) &&
1141                     (account->recv_at_getall))
1142                         inc_spool_account(account);
1143         }
1144 }
1145
1146 static gint get_spool(FolderItem *dest, const gchar *mbox)
1147 {
1148         gint msgs, size;
1149         gint lockfd;
1150         gchar tmp_mbox[MAXPATHLEN + 1];
1151
1152         g_return_val_if_fail(dest != NULL, -1);
1153         g_return_val_if_fail(mbox != NULL, -1);
1154
1155         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1156                 debug_print("no messages in local mailbox.\n");
1157                 return 0;
1158         } else if (size < 0)
1159                 return -1;
1160
1161         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1162                 return -1;
1163
1164         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1165                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1166
1167         if (copy_mbox(mbox, tmp_mbox) < 0) {
1168                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1169                 return -1;
1170         }
1171
1172         debug_print("Getting new messages from %s into %s...\n",
1173                     mbox, dest->path);
1174
1175         msgs = proc_mbox(dest, tmp_mbox);
1176
1177         unlink(tmp_mbox);
1178         if (msgs >= 0) empty_mbox(mbox);
1179         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1180
1181         if (!prefs_common.scan_all_after_inc) {
1182                 folderview_update_items_when_required
1183                         (!prefs_common.open_inbox_on_inc);
1184         } else if (!prefs_common.scan_all_after_inc) {
1185                 folderview_update_item(dest, TRUE);
1186         }
1187
1188         return msgs;
1189 }
1190
1191 void inc_lock(void)
1192 {
1193         inc_lock_count++;
1194 }
1195
1196 void inc_unlock(void)
1197 {
1198         if (inc_lock_count > 0)
1199                 inc_lock_count--;
1200 }
1201
1202 static guint autocheck_timer = 0;
1203 static gpointer autocheck_data = NULL;
1204
1205 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1206 {
1207
1208         gchar *buf;
1209
1210         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1211             *prefs_common.newmail_notify_cmd))
1212                      return;
1213         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1214                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1215                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd, 
1216                                       new_msgs);
1217         else
1218                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1219
1220         execute_command_line(buf, TRUE);
1221
1222         g_free(buf);
1223 }
1224  
1225 void inc_autocheck_timer_init(MainWindow *mainwin)
1226 {
1227         autocheck_data = mainwin;
1228         inc_autocheck_timer_set();
1229 }
1230
1231 static void inc_autocheck_timer_set_interval(guint interval)
1232 {
1233         inc_autocheck_timer_remove();
1234         /* last test is to avoid re-enabling auto_check after modifying 
1235            the common preferences */
1236         if (prefs_common.autochk_newmail && autocheck_data
1237             && prefs_common.work_offline == FALSE) {
1238                 autocheck_timer = gtk_timeout_add
1239                         (interval, inc_autocheck_func, autocheck_data);
1240                 debug_print("added timer = %d\n", autocheck_timer);
1241         }
1242 }
1243
1244 void inc_autocheck_timer_set(void)
1245 {
1246         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1247 }
1248
1249 void inc_autocheck_timer_remove(void)
1250 {
1251         if (autocheck_timer) {
1252                 debug_print("removed timer = %d\n", autocheck_timer);
1253                 gtk_timeout_remove(autocheck_timer);
1254                 autocheck_timer = 0;
1255         }
1256 }
1257
1258 static gint inc_autocheck_func(gpointer data)
1259 {
1260         MainWindow *mainwin = (MainWindow *)data;
1261
1262         if (inc_lock_count) {
1263                 debug_print("autocheck is locked.\n");
1264                 inc_autocheck_timer_set_interval(1000);
1265                 return FALSE;
1266         }
1267
1268         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1269
1270         return FALSE;
1271 }