2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2002 Hiroyuki Yamamoto
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.
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.
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.
40 #include "procheader.h"
43 #include "statusbar.h"
46 #include "prefs_common.h"
47 #include "prefs_account.h"
48 #include "inputdialog.h"
49 #include "alertpanel.h"
53 static void news_folder_init (Folder *folder,
57 static Session *news_session_new (const gchar *server,
62 static gint news_get_article_cmd (NNTPSession *session,
66 static gint news_get_article (NNTPSession *session,
69 static gint news_get_header (NNTPSession *session,
73 static gint news_select_group (NNTPSession *session,
75 static GSList *news_get_uncached_articles(NNTPSession *session,
80 static MsgInfo *news_parse_xover (const gchar *xover_str);
81 static gchar *news_parse_xhdr (const gchar *xhdr_str,
83 static GSList *news_delete_old_articles (GSList *alist,
86 static void news_delete_all_articles (FolderItem *item);
88 static gint news_remove_msg (Folder *folder,
92 Folder *news_folder_new(const gchar *name, const gchar *path)
96 folder = (Folder *)g_new0(NewsFolder, 1);
97 news_folder_init(folder, name, path);
102 void news_folder_destroy(NewsFolder *folder)
104 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
107 static void news_folder_init(Folder *folder, const gchar *name,
110 folder_remote_folder_init(folder, name, path);
112 folder->type = F_NEWS;
114 folder->get_msg_list = news_get_article_list;
115 folder->fetch_msg = news_fetch_msg;
116 folder->scan = news_scan_group;
117 folder->remove_msg = news_remove_msg;
120 static Session *news_session_new(const gchar *server, gushort port,
121 const gchar *userid, const gchar *passwd)
123 gchar buf[NNTPBUFSIZE];
124 NNTPSession *session;
125 NNTPSockInfo *nntp_sock;
127 g_return_val_if_fail(server != NULL, NULL);
129 log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
131 if (userid && passwd)
132 nntp_sock = nntp_open_auth(server, port, buf, userid, passwd);
134 nntp_sock = nntp_open(server, port, buf);
135 if (nntp_sock == NULL)
138 session = g_new(NNTPSession, 1);
139 SESSION(session)->type = SESSION_NEWS;
140 SESSION(session)->server = g_strdup(server);
141 session->nntp_sock = nntp_sock;
142 SESSION(session)->sock = nntp_sock->sock;
143 SESSION(session)->connected = TRUE;
144 SESSION(session)->phase = SESSION_READY;
145 SESSION(session)->last_access_time = time(NULL);
146 SESSION(session)->data = NULL;
147 session->group = NULL;
149 return SESSION(session);
152 void news_session_destroy(NNTPSession *session)
154 nntp_close(session->nntp_sock);
155 session->nntp_sock = NULL;
156 SESSION(session)->sock = NULL;
158 g_free(session->group);
161 static Session *news_session_new_for_folder(Folder *folder)
165 const gchar *userid = NULL;
166 gchar *passwd = NULL;
168 g_return_val_if_fail(folder != NULL, NULL);
169 g_return_val_if_fail(folder->account != NULL, NULL);
171 ac = folder->account;
172 if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
174 if (ac->passwd && ac->passwd[0])
175 passwd = g_strdup(ac->passwd);
177 passwd = input_dialog_query_password(ac->nntp_server,
181 session = news_session_new(ac->nntp_server,
182 ac->set_nntpport ? ac->nntpport : NNTP_PORT,
189 NNTPSession *news_session_get(Folder *folder)
191 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
193 g_return_val_if_fail(folder != NULL, NULL);
194 g_return_val_if_fail(folder->type == F_NEWS, NULL);
195 g_return_val_if_fail(folder->account != NULL, NULL);
197 if (!rfolder->session) {
198 rfolder->session = news_session_new_for_folder(folder);
200 return NNTP_SESSION(rfolder->session);
203 if (time(NULL) - rfolder->session->last_access_time < SESSION_TIMEOUT) {
204 rfolder->session->last_access_time = time(NULL);
206 return NNTP_SESSION(rfolder->session);
209 if (nntp_mode(NNTP_SESSION(rfolder->session)->nntp_sock, FALSE)
211 log_warning(_("NNTP connection to %s:%d has been"
212 " disconnected. Reconnecting...\n"),
213 folder->account->nntp_server,
214 folder->account->set_nntpport ?
215 folder->account->nntpport : NNTP_PORT);
216 session_destroy(rfolder->session);
217 rfolder->session = news_session_new_for_folder(folder);
220 if (rfolder->session)
221 rfolder->session->last_access_time = time(NULL);
223 return NNTP_SESSION(rfolder->session);
226 GSList *news_get_article_list(Folder *folder, FolderItem *item,
230 NNTPSession *session;
232 g_return_val_if_fail(folder != NULL, NULL);
233 g_return_val_if_fail(item != NULL, NULL);
234 g_return_val_if_fail(folder->type == F_NEWS, NULL);
236 session = news_session_get(folder);
239 alist = procmsg_read_cache(item, FALSE);
240 item->last_num = procmsg_get_last_num_in_cache(alist);
241 } else if (use_cache) {
246 alist = procmsg_read_cache(item, FALSE);
248 cache_last = procmsg_get_last_num_in_cache(alist);
249 newlist = news_get_uncached_articles
250 (session, item, cache_last, &first, &last);
251 alist = news_delete_old_articles(alist, item, first);
253 alist = g_slist_concat(alist, newlist);
254 item->last_num = last;
258 alist = news_get_uncached_articles
259 (session, item, 0, NULL, &last);
260 news_delete_all_articles(item);
261 item->last_num = last;
264 procmsg_set_flags(alist, item);
271 gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
273 gchar *path, *filename;
274 NNTPSession *session;
277 g_return_val_if_fail(folder != NULL, NULL);
278 g_return_val_if_fail(item != NULL, NULL);
280 path = folder_item_get_path(item);
281 if (!is_dir_exist(path))
283 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
286 if (is_file_exist(filename)) {
287 debug_print(_("article %d has been already cached.\n"), num);
291 session = news_session_get(folder);
297 ok = news_select_group(session, item->path);
299 if (ok != NN_SUCCESS) {
300 g_warning(_("can't select group %s\n"), item->path);
305 debug_print(_("getting article %d...\n"), num);
306 ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
310 g_warning(_("can't read article %d\n"), num);
318 void news_scan_group(Folder *folder, FolderItem *item)
322 static NewsGroupInfo *news_group_info_new(const gchar *name,
323 gint first, gint last, gchar type)
325 NewsGroupInfo *ginfo;
327 ginfo = g_new(NewsGroupInfo, 1);
328 ginfo->name = g_strdup(name);
329 ginfo->first = first;
336 static void news_group_info_free(NewsGroupInfo *ginfo)
342 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
343 NewsGroupInfo *ginfo2)
345 return g_strcasecmp(ginfo1->name, ginfo2->name);
348 GSList *news_get_group_list(Folder *folder)
350 gchar *path, *filename;
354 gchar buf[NNTPBUFSIZE];
356 g_return_val_if_fail(folder != NULL, NULL);
357 g_return_val_if_fail(folder->type == F_NEWS, NULL);
359 path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
360 if (!is_dir_exist(path))
362 filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
365 if ((fp = fopen(filename, "r")) == NULL) {
366 NNTPSession *session;
368 session = news_session_get(folder);
374 if (nntp_list(session->nntp_sock) != NN_SUCCESS) {
380 if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
381 log_warning(_("can't retrieve newsgroup list\n"));
386 if ((fp = fopen(filename, "r")) == NULL) {
387 FILE_OP_ERROR(filename, "fopen");
393 while (fgets(buf, sizeof(buf), fp) != NULL) {
399 NewsGroupInfo *ginfo;
407 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
410 ginfo = news_group_info_new(name, first_num, last_num, type);
413 last = list = g_slist_append(NULL, ginfo);
415 last = g_slist_append(last, ginfo);
423 list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
430 void news_group_list_free(GSList *group_list)
434 if (!group_list) return;
436 for (cur = group_list; cur != NULL; cur = cur->next)
437 news_group_info_free((NewsGroupInfo *)cur->data);
438 g_slist_free(group_list);
441 void news_remove_group_list_cache(Folder *folder)
443 gchar *path, *filename;
445 g_return_if_fail(folder != NULL);
446 g_return_if_fail(folder->type == F_NEWS);
448 path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
449 filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
452 if (is_file_exist(filename)) {
453 if (remove(filename) < 0)
454 FILE_OP_ERROR(filename, "remove");
459 gint news_post(Folder *folder, const gchar *file)
461 NNTPSession *session;
465 g_return_val_if_fail(folder != NULL, -1);
466 g_return_val_if_fail(folder->type == F_NEWS, -1);
467 g_return_val_if_fail(file != NULL, -1);
469 session = news_session_get(folder);
470 if (!session) return -1;
472 if ((fp = fopen(file, "r")) == NULL) {
473 FILE_OP_ERROR(file, "fopen");
477 ok = nntp_post(session->nntp_sock, fp);
478 if (ok != NN_SUCCESS) {
479 log_warning(_("can't post article.\n"));
490 static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
491 gint num, gchar *filename)
495 if (nntp_get_article(session->nntp_sock, cmd, num, &msgid)
499 debug_print("Message-Id = %s, num = %d\n", msgid, num);
502 if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
503 log_warning(_("can't retrieve article %d\n"), num);
510 static gint news_remove_msg(Folder *folder, FolderItem *item, gint num)
515 static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
517 return news_get_article_cmd(session, "ARTICLE", num, filename);
520 static gint news_get_header(NNTPSession *session, gint num, gchar *filename)
522 return news_get_article_cmd(session, "HEAD", num, filename);
527 * @session: Active NNTP session.
528 * @group: Newsgroup name.
530 * Select newsgroup @group with the GROUP command if it is not already
531 * selected in @session.
533 * Return value: NNTP result code.
535 static gint news_select_group(NNTPSession *session, const gchar *group)
538 gint num, first, last;
540 if (session->group && g_strcasecmp(session->group, group) == 0)
543 g_free(session->group);
544 session->group = NULL;
546 ok = nntp_group(session->nntp_sock, group, &num, &first, &last);
547 if (ok == NN_SUCCESS)
548 session->group = g_strdup(group);
553 static GSList *news_get_uncached_articles(NNTPSession *session,
554 FolderItem *item, gint cache_last,
555 gint *rfirst, gint *rlast)
558 gint num = 0, first = 0, last = 0, begin = 0, end = 0;
559 gchar buf[NNTPBUFSIZE];
560 GSList *newlist = NULL;
561 GSList *llast = NULL;
564 if (rfirst) *rfirst = 0;
565 if (rlast) *rlast = 0;
567 g_return_val_if_fail(session != NULL, NULL);
568 g_return_val_if_fail(item != NULL, NULL);
569 g_return_val_if_fail(item->folder != NULL, NULL);
570 g_return_val_if_fail(item->folder->type == F_NEWS, NULL);
572 g_free(session->group);
573 session->group = NULL;
575 ok = nntp_group(session->nntp_sock, item->path,
576 &num, &first, &last);
577 if (ok != NN_SUCCESS) {
578 log_warning(_("can't set group: %s\n"), item->path);
581 session->group = g_strdup(item->path);
583 /* calculate getting overview range */
585 log_warning(_("invalid article range: %d - %d\n"),
589 if (cache_last < first)
591 else if (last < cache_last)
593 else if (last == cache_last) {
594 debug_print(_("no new articles.\n"));
597 begin = cache_last + 1;
600 if (rfirst) *rfirst = first;
601 if (rlast) *rlast = last;
603 if (prefs_common.max_articles > 0 &&
604 end - begin + 1 > prefs_common.max_articles)
605 begin = end - prefs_common.max_articles + 1;
607 log_message(_("getting xover %d - %d in %s...\n"),
608 begin, end, item->path);
609 if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
610 log_warning(_("can't get xover\n"));
615 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
616 log_warning(_("error occurred while getting xover.\n"));
620 if (buf[0] == '.' && buf[1] == '\r') break;
622 msginfo = news_parse_xover(buf);
624 log_warning(_("invalid xover line: %s\n"), buf);
628 msginfo->folder = item;
629 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
630 msginfo->flags.tmp_flags = MSG_NEWS;
631 msginfo->newsgroups = g_strdup(item->path);
634 llast = newlist = g_slist_append(newlist, msginfo);
636 llast = g_slist_append(llast, msginfo);
641 if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
642 log_warning(_("can't get xhdr\n"));
649 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
650 log_warning(_("error occurred while getting xhdr.\n"));
654 if (buf[0] == '.' && buf[1] == '\r') break;
656 g_warning("llast == NULL\n");
660 msginfo = (MsgInfo *)llast->data;
661 msginfo->to = news_parse_xhdr(buf, msginfo);
666 if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
667 log_warning(_("can't get xhdr\n"));
674 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
675 log_warning(_("error occurred while getting xhdr.\n"));
679 if (buf[0] == '.' && buf[1] == '\r') break;
681 g_warning("llast == NULL\n");
685 msginfo = (MsgInfo *)llast->data;
686 msginfo->cc = news_parse_xhdr(buf, msginfo);
694 #define PARSE_ONE_PARAM(p, srcp) \
696 p = strchr(srcp, '\t'); \
697 if (!p) return NULL; \
702 static MsgInfo *news_parse_xover(const gchar *xover_str)
705 gchar buf[NNTPBUFSIZE];
706 gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
708 gint num, size_int, line_int;
711 Xstrdup_a(xover_buf, xover_str, return NULL);
713 PARSE_ONE_PARAM(subject, xover_buf);
714 PARSE_ONE_PARAM(sender, subject);
715 PARSE_ONE_PARAM(date, sender);
716 PARSE_ONE_PARAM(msgid, date);
717 PARSE_ONE_PARAM(ref, msgid);
718 PARSE_ONE_PARAM(size, ref);
719 PARSE_ONE_PARAM(line, size);
721 tmp = strchr(line, '\t');
722 if (!tmp) tmp = strchr(line, '\r');
723 if (!tmp) tmp = strchr(line, '\n');
724 if (tmp) *tmp = '\0';
726 num = atoi(xover_str);
727 size_int = atoi(size);
728 line_int = atoi(line);
731 msginfo = g_new0(MsgInfo, 1);
732 msginfo->msgnum = num;
733 msginfo->size = size_int;
735 msginfo->date = g_strdup(date);
736 msginfo->date_t = procheader_date_parse(NULL, date, 0);
738 conv_unmime_header(buf, sizeof(buf), sender, NULL);
739 msginfo->from = g_strdup(buf);
740 msginfo->fromname = procheader_get_fromname(buf);
742 conv_unmime_header(buf, sizeof(buf), subject, NULL);
743 msginfo->subject = g_strdup(buf);
745 extract_parenthesis(msgid, '<', '>');
748 msginfo->msgid = g_strdup(msgid);
750 msginfo->references = g_strdup(ref);
751 eliminate_parenthesis(ref, '(', ')');
752 if ((p = strrchr(ref, '<')) != NULL) {
753 extract_parenthesis(p, '<', '>');
756 msginfo->inreplyto = g_strdup(p);
762 static gchar *news_parse_xhdr(const gchar *xhdr_str, MsgInfo *msginfo)
768 p = strchr(xhdr_str, ' ');
774 num = atoi(xhdr_str);
775 if (msginfo->msgnum != num) return NULL;
777 tmp = strchr(p, '\r');
778 if (!tmp) tmp = strchr(p, '\n');
781 return g_strndup(p, tmp - p);
786 static GSList *news_delete_old_articles(GSList *alist, FolderItem *item,
793 g_return_val_if_fail(item != NULL, alist);
794 g_return_val_if_fail(item->folder != NULL, alist);
795 g_return_val_if_fail(item->folder->type == F_NEWS, alist);
797 if (first < 2) return alist;
799 debug_print(_("Deleting cached articles 1 - %d ... "), first - 1);
801 dir = folder_item_get_path(item);
802 remove_numbered_files(dir, 1, first - 1);
805 for (cur = alist; cur != NULL; ) {
808 msginfo = (MsgInfo *)cur->data;
809 if (msginfo && msginfo->msgnum < first) {
810 procmsg_msginfo_free(msginfo);
811 alist = g_slist_remove(alist, msginfo);
820 static void news_delete_all_articles(FolderItem *item)
824 g_return_if_fail(item != NULL);
825 g_return_if_fail(item->folder != NULL);
826 g_return_if_fail(item->folder->type == F_NEWS);
828 debug_print(_("\tDeleting all cached articles... "));
830 dir = folder_item_get_path(item);
831 remove_all_numbered_files(dir);
834 debug_print(_("done.\n"));