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,
78 static GSList *news_get_uncached_articles(NNTPSession *session,
83 static MsgInfo *news_parse_xover (const gchar *xover_str);
84 static gchar *news_parse_xhdr (const gchar *xhdr_str,
86 static GSList *news_delete_old_articles (GSList *alist,
89 static void news_delete_all_articles (FolderItem *item);
91 static gint news_remove_msg (Folder *folder,
95 Folder *news_folder_new(const gchar *name, const gchar *path)
99 folder = (Folder *)g_new0(NewsFolder, 1);
100 news_folder_init(folder, name, path);
105 void news_folder_destroy(NewsFolder *folder)
107 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
110 static void news_folder_init(Folder *folder, const gchar *name,
113 folder_remote_folder_init(folder, name, path);
115 folder->type = F_NEWS;
117 folder->get_msg_list = news_get_article_list;
118 folder->fetch_msg = news_fetch_msg;
119 folder->scan = news_scan_group;
120 folder->remove_msg = news_remove_msg;
123 static Session *news_session_new(const gchar *server, gushort port,
124 const gchar *userid, const gchar *passwd)
126 gchar buf[NNTPBUFSIZE];
127 NNTPSession *session;
128 NNTPSockInfo *nntp_sock;
130 g_return_val_if_fail(server != NULL, NULL);
132 log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
134 if (userid && passwd)
135 nntp_sock = nntp_open_auth(server, port, buf, userid, passwd);
137 nntp_sock = nntp_open(server, port, buf);
138 if (nntp_sock == NULL)
141 session = g_new(NNTPSession, 1);
142 SESSION(session)->type = SESSION_NEWS;
143 SESSION(session)->server = g_strdup(server);
144 session->nntp_sock = nntp_sock;
145 SESSION(session)->sock = nntp_sock->sock;
146 SESSION(session)->connected = TRUE;
147 SESSION(session)->phase = SESSION_READY;
148 SESSION(session)->last_access_time = time(NULL);
149 SESSION(session)->data = NULL;
150 session->group = NULL;
152 return SESSION(session);
155 void news_session_destroy(NNTPSession *session)
157 nntp_close(session->nntp_sock);
158 session->nntp_sock = NULL;
159 SESSION(session)->sock = NULL;
161 g_free(session->group);
164 static Session *news_session_new_for_folder(Folder *folder)
168 const gchar *userid = NULL;
169 gchar *passwd = NULL;
171 g_return_val_if_fail(folder != NULL, NULL);
172 g_return_val_if_fail(folder->account != NULL, NULL);
174 ac = folder->account;
175 if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
177 if (ac->passwd && ac->passwd[0])
178 passwd = g_strdup(ac->passwd);
180 passwd = input_dialog_query_password(ac->nntp_server,
184 session = news_session_new(ac->nntp_server,
185 ac->set_nntpport ? ac->nntpport : NNTP_PORT,
192 NNTPSession *news_session_get(Folder *folder)
194 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
196 g_return_val_if_fail(folder != NULL, NULL);
197 g_return_val_if_fail(folder->type == F_NEWS, NULL);
198 g_return_val_if_fail(folder->account != NULL, NULL);
200 if (!rfolder->session) {
201 rfolder->session = news_session_new_for_folder(folder);
203 return NNTP_SESSION(rfolder->session);
206 if (time(NULL) - rfolder->session->last_access_time < SESSION_TIMEOUT) {
207 rfolder->session->last_access_time = time(NULL);
209 return NNTP_SESSION(rfolder->session);
212 if (nntp_mode(NNTP_SESSION(rfolder->session)->nntp_sock, FALSE)
214 log_warning(_("NNTP connection to %s:%d has been"
215 " disconnected. Reconnecting...\n"),
216 folder->account->nntp_server,
217 folder->account->set_nntpport ?
218 folder->account->nntpport : NNTP_PORT);
219 session_destroy(rfolder->session);
220 rfolder->session = news_session_new_for_folder(folder);
223 if (rfolder->session)
224 rfolder->session->last_access_time = time(NULL);
226 return NNTP_SESSION(rfolder->session);
229 GSList *news_get_article_list(Folder *folder, FolderItem *item,
233 NNTPSession *session;
235 g_return_val_if_fail(folder != NULL, NULL);
236 g_return_val_if_fail(item != NULL, NULL);
237 g_return_val_if_fail(folder->type == F_NEWS, NULL);
239 session = news_session_get(folder);
242 alist = procmsg_read_cache(item, FALSE);
243 item->last_num = procmsg_get_last_num_in_cache(alist);
244 } else if (use_cache) {
249 alist = procmsg_read_cache(item, FALSE);
251 cache_last = procmsg_get_last_num_in_cache(alist);
252 newlist = news_get_uncached_articles
253 (session, item, cache_last, &first, &last);
254 alist = news_delete_old_articles(alist, item, first);
256 alist = g_slist_concat(alist, newlist);
257 item->last_num = last;
261 alist = news_get_uncached_articles
262 (session, item, 0, NULL, &last);
263 news_delete_all_articles(item);
264 item->last_num = last;
267 procmsg_set_flags(alist, item);
274 gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
276 gchar *path, *filename;
277 NNTPSession *session;
280 g_return_val_if_fail(folder != NULL, NULL);
281 g_return_val_if_fail(item != NULL, NULL);
283 path = folder_item_get_path(item);
284 if (!is_dir_exist(path))
286 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
289 if (is_file_exist(filename)) {
290 debug_print(_("article %d has been already cached.\n"), num);
294 session = news_session_get(folder);
300 ok = news_select_group(session, item->path, NULL, NULL, NULL);
302 if (ok != NN_SUCCESS) {
303 g_warning(_("can't select group %s\n"), item->path);
308 debug_print(_("getting article %d...\n"), num);
309 ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
313 g_warning(_("can't read article %d\n"), num);
321 void news_scan_group(Folder *folder, FolderItem *item)
323 NNTPSession *session;
324 gint num = 0, first = 0, last = 0;
325 gint new = 0, unread = 0, total = 0;
326 gint min = 0, max = 0;
330 g_return_if_fail(folder != NULL);
331 g_return_if_fail(item != NULL);
333 session = news_session_get(folder);
334 if (!session) return;
336 ok = news_select_group(session, item->path, &num, &first, &last);
337 if (ok != NN_SUCCESS) {
338 log_warning(_("can't set group: %s\n"), item->path);
343 item->new = item->unread = item->total = item->last_num = 0;
347 path = folder_item_get_path(item);
348 if (path && is_dir_exist(path)) {
349 procmsg_get_mark_sum(path, &new, &unread, &total, &min, &max,
355 new = unread = total = num;
356 } else if (max < first) {
357 new = unread = total = num;
358 } else if (last > max) {
360 unread += last - max;
361 if (new > num) new = num;
362 if (unread > num) unread = num;
365 item->unread = unread;
367 item->last_num = last;
370 static NewsGroupInfo *news_group_info_new(const gchar *name,
371 gint first, gint last, gchar type)
373 NewsGroupInfo *ginfo;
375 ginfo = g_new(NewsGroupInfo, 1);
376 ginfo->name = g_strdup(name);
377 ginfo->first = first;
384 static void news_group_info_free(NewsGroupInfo *ginfo)
390 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
391 NewsGroupInfo *ginfo2)
393 return g_strcasecmp(ginfo1->name, ginfo2->name);
396 GSList *news_get_group_list(Folder *folder)
398 gchar *path, *filename;
402 gchar buf[NNTPBUFSIZE];
404 g_return_val_if_fail(folder != NULL, NULL);
405 g_return_val_if_fail(folder->type == F_NEWS, NULL);
407 path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
408 if (!is_dir_exist(path))
410 filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
413 if ((fp = fopen(filename, "r")) == NULL) {
414 NNTPSession *session;
416 session = news_session_get(folder);
422 if (nntp_list(session->nntp_sock) != NN_SUCCESS) {
428 if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
429 log_warning(_("can't retrieve newsgroup list\n"));
430 session_destroy(SESSION(session));
431 REMOTE_FOLDER(folder)->session = NULL;
436 if ((fp = fopen(filename, "r")) == NULL) {
437 FILE_OP_ERROR(filename, "fopen");
443 while (fgets(buf, sizeof(buf), fp) != NULL) {
449 NewsGroupInfo *ginfo;
457 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
460 ginfo = news_group_info_new(name, first_num, last_num, type);
463 last = list = g_slist_append(NULL, ginfo);
465 last = g_slist_append(last, ginfo);
473 list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
480 void news_group_list_free(GSList *group_list)
484 if (!group_list) return;
486 for (cur = group_list; cur != NULL; cur = cur->next)
487 news_group_info_free((NewsGroupInfo *)cur->data);
488 g_slist_free(group_list);
491 void news_remove_group_list_cache(Folder *folder)
493 gchar *path, *filename;
495 g_return_if_fail(folder != NULL);
496 g_return_if_fail(folder->type == F_NEWS);
498 path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
499 filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
502 if (is_file_exist(filename)) {
503 if (remove(filename) < 0)
504 FILE_OP_ERROR(filename, "remove");
509 gint news_post(Folder *folder, const gchar *file)
511 NNTPSession *session;
515 g_return_val_if_fail(folder != NULL, -1);
516 g_return_val_if_fail(folder->type == F_NEWS, -1);
517 g_return_val_if_fail(file != NULL, -1);
519 session = news_session_get(folder);
520 if (!session) return -1;
522 if ((fp = fopen(file, "r")) == NULL) {
523 FILE_OP_ERROR(file, "fopen");
527 ok = nntp_post(session->nntp_sock, fp);
528 if (ok != NN_SUCCESS) {
529 log_warning(_("can't post article.\n"));
540 static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
541 gint num, gchar *filename)
545 if (nntp_get_article(session->nntp_sock, cmd, num, &msgid)
549 debug_print("Message-Id = %s, num = %d\n", msgid, num);
552 if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
553 log_warning(_("can't retrieve article %d\n"), num);
560 static gint news_remove_msg(Folder *folder, FolderItem *item, gint num)
564 MsgFlags msgflags = { 0, 0 };
567 filename = folder_item_fetch_msg(item, num);
568 if (filename == NULL)
571 msginfo = procheader_parse(filename, msgflags, FALSE, FALSE);
575 r = news_cancel_article(folder, msginfo);
577 procmsg_msginfo_free(msginfo);
582 static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
584 return news_get_article_cmd(session, "ARTICLE", num, filename);
587 static gint news_get_header(NNTPSession *session, gint num, gchar *filename)
589 return news_get_article_cmd(session, "HEAD", num, filename);
594 * @session: Active NNTP session.
595 * @group: Newsgroup name.
596 * @num: Estimated number of articles.
597 * @first: First article number.
598 * @last: Last article number.
600 * Select newsgroup @group with the GROUP command if it is not already
601 * selected in @session, or article numbers need to be returned.
603 * Return value: NNTP result code.
605 static gint news_select_group(NNTPSession *session, const gchar *group,
606 gint *num, gint *first, gint *last)
609 gint num_, first_, last_;
611 if (!num || !first || !last) {
612 if (session->group && g_strcasecmp(session->group, group) == 0)
619 g_free(session->group);
620 session->group = NULL;
622 ok = nntp_group(session->nntp_sock, group, num, first, last);
623 if (ok == NN_SUCCESS)
624 session->group = g_strdup(group);
629 static GSList *news_get_uncached_articles(NNTPSession *session,
630 FolderItem *item, gint cache_last,
631 gint *rfirst, gint *rlast)
634 gint num = 0, first = 0, last = 0, begin = 0, end = 0;
635 gchar buf[NNTPBUFSIZE];
636 GSList *newlist = NULL;
637 GSList *llast = NULL;
640 if (rfirst) *rfirst = 0;
641 if (rlast) *rlast = 0;
643 g_return_val_if_fail(session != NULL, NULL);
644 g_return_val_if_fail(item != NULL, NULL);
645 g_return_val_if_fail(item->folder != NULL, NULL);
646 g_return_val_if_fail(item->folder->type == F_NEWS, NULL);
648 ok = news_select_group(session, item->path, &num, &first, &last);
649 if (ok != NN_SUCCESS) {
650 log_warning(_("can't set group: %s\n"), item->path);
654 /* calculate getting overview range */
656 log_warning(_("invalid article range: %d - %d\n"),
660 if (cache_last < first)
662 else if (last < cache_last)
664 else if (last == cache_last) {
665 debug_print(_("no new articles.\n"));
668 begin = cache_last + 1;
671 if (rfirst) *rfirst = first;
672 if (rlast) *rlast = last;
674 if (prefs_common.max_articles > 0 &&
675 end - begin + 1 > prefs_common.max_articles)
676 begin = end - prefs_common.max_articles + 1;
678 log_message(_("getting xover %d - %d in %s...\n"),
679 begin, end, item->path);
680 if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
681 log_warning(_("can't get xover\n"));
686 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
687 log_warning(_("error occurred while getting xover.\n"));
691 if (buf[0] == '.' && buf[1] == '\r') break;
693 msginfo = news_parse_xover(buf);
695 log_warning(_("invalid xover line: %s\n"), buf);
699 msginfo->folder = item;
700 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
701 msginfo->flags.tmp_flags = MSG_NEWS;
702 msginfo->newsgroups = g_strdup(item->path);
705 llast = newlist = g_slist_append(newlist, msginfo);
707 llast = g_slist_append(llast, msginfo);
712 if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
713 log_warning(_("can't get xhdr\n"));
720 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
721 log_warning(_("error occurred while getting xhdr.\n"));
725 if (buf[0] == '.' && buf[1] == '\r') break;
727 g_warning("llast == NULL\n");
731 msginfo = (MsgInfo *)llast->data;
732 msginfo->to = news_parse_xhdr(buf, msginfo);
737 if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
738 log_warning(_("can't get xhdr\n"));
745 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
746 log_warning(_("error occurred while getting xhdr.\n"));
750 if (buf[0] == '.' && buf[1] == '\r') break;
752 g_warning("llast == NULL\n");
756 msginfo = (MsgInfo *)llast->data;
757 msginfo->cc = news_parse_xhdr(buf, msginfo);
765 #define PARSE_ONE_PARAM(p, srcp) \
767 p = strchr(srcp, '\t'); \
768 if (!p) return NULL; \
773 static MsgInfo *news_parse_xover(const gchar *xover_str)
776 gchar buf[NNTPBUFSIZE];
777 gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
779 gint num, size_int, line_int;
782 Xstrdup_a(xover_buf, xover_str, return NULL);
784 PARSE_ONE_PARAM(subject, xover_buf);
785 PARSE_ONE_PARAM(sender, subject);
786 PARSE_ONE_PARAM(date, sender);
787 PARSE_ONE_PARAM(msgid, date);
788 PARSE_ONE_PARAM(ref, msgid);
789 PARSE_ONE_PARAM(size, ref);
790 PARSE_ONE_PARAM(line, size);
792 tmp = strchr(line, '\t');
793 if (!tmp) tmp = strchr(line, '\r');
794 if (!tmp) tmp = strchr(line, '\n');
795 if (tmp) *tmp = '\0';
797 num = atoi(xover_str);
798 size_int = atoi(size);
799 line_int = atoi(line);
802 msginfo = g_new0(MsgInfo, 1);
803 msginfo->msgnum = num;
804 msginfo->size = size_int;
806 msginfo->date = g_strdup(date);
807 msginfo->date_t = procheader_date_parse(NULL, date, 0);
809 conv_unmime_header(buf, sizeof(buf), sender, NULL);
810 msginfo->from = g_strdup(buf);
811 msginfo->fromname = procheader_get_fromname(buf);
813 conv_unmime_header(buf, sizeof(buf), subject, NULL);
814 msginfo->subject = g_strdup(buf);
816 extract_parenthesis(msgid, '<', '>');
819 msginfo->msgid = g_strdup(msgid);
821 msginfo->references = g_strdup(ref);
822 eliminate_parenthesis(ref, '(', ')');
823 if ((p = strrchr(ref, '<')) != NULL) {
824 extract_parenthesis(p, '<', '>');
827 msginfo->inreplyto = g_strdup(p);
833 static gchar *news_parse_xhdr(const gchar *xhdr_str, MsgInfo *msginfo)
839 p = strchr(xhdr_str, ' ');
845 num = atoi(xhdr_str);
846 if (msginfo->msgnum != num) return NULL;
848 tmp = strchr(p, '\r');
849 if (!tmp) tmp = strchr(p, '\n');
852 return g_strndup(p, tmp - p);
857 static GSList *news_delete_old_articles(GSList *alist, FolderItem *item,
864 g_return_val_if_fail(item != NULL, alist);
865 g_return_val_if_fail(item->folder != NULL, alist);
866 g_return_val_if_fail(item->folder->type == F_NEWS, alist);
868 if (first < 2) return alist;
870 debug_print(_("Deleting cached articles 1 - %d ... "), first - 1);
872 dir = folder_item_get_path(item);
873 remove_numbered_files(dir, 1, first - 1);
876 for (cur = alist; cur != NULL; ) {
879 msginfo = (MsgInfo *)cur->data;
880 if (msginfo && msginfo->msgnum < first) {
881 procmsg_msginfo_free(msginfo);
882 alist = g_slist_remove(alist, msginfo);
891 static void news_delete_all_articles(FolderItem *item)
895 g_return_if_fail(item != NULL);
896 g_return_if_fail(item->folder != NULL);
897 g_return_if_fail(item->folder->type == F_NEWS);
899 debug_print(_("\tDeleting all cached articles... "));
901 dir = folder_item_get_path(item);
902 remove_all_numbered_files(dir);
905 debug_print(_("done.\n"));
908 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
914 tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
915 G_DIR_SEPARATOR, (gint)msginfo);
919 if ((tmpfp = fopen(tmp, "w")) == NULL) {
920 FILE_OP_ERROR(tmp, "fopen");
923 if (change_file_mode_rw(tmpfp, tmp) < 0) {
924 FILE_OP_ERROR(tmp, "chmod");
925 g_warning(_("can't change file mode\n"));
928 fprintf(tmpfp, "From: %s\r\n", msginfo->from);
929 fprintf(tmpfp, "Newsgroups: %s\r\n", msginfo->newsgroups);
930 fprintf(tmpfp, "Subject: cmsg cancel <%s>\r\n", msginfo->msgid);
931 fprintf(tmpfp, "Control: cancel <%s>\r\n", msginfo->msgid);
932 fprintf(tmpfp, "Approved: %s\r\n", msginfo->from);
933 fprintf(tmpfp, "X-Cancelled-by: %s\r\n", msginfo->from);
934 get_rfc822_date(buf, sizeof(buf));
935 fprintf(tmpfp, "Date: %s\r\n", buf);
936 fprintf(tmpfp, "\r\n");
937 fprintf(tmpfp, "removed with sylpheed\r\n");
941 news_post(folder, tmp);