claws-mail/src/news.c
2006-11-07 10:47:23 +00:00

1251 lines
31 KiB
C

/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <time.h>
#include "news.h"
#include "news_gtk.h"
#include "nntp.h"
#include "socket.h"
#include "recv.h"
#include "procmsg.h"
#include "procheader.h"
#include "folder.h"
#include "session.h"
#include "statusbar.h"
#include "codeconv.h"
#include "utils.h"
#include "prefs_common.h"
#include "prefs_account.h"
#include "inputdialog.h"
#include "log.h"
#include "progressindicator.h"
#include "remotefolder.h"
#include "alertpanel.h"
#include "inc.h"
#if USE_OPENSSL
# include "ssl.h"
#endif
#define NNTP_PORT 119
#if USE_OPENSSL
#define NNTPS_PORT 563
#endif
typedef struct _NewsFolder NewsFolder;
#define NEWS_FOLDER(obj) ((NewsFolder *)obj)
struct _NewsFolder
{
RemoteFolder rfolder;
gboolean use_auth;
gboolean lock_count;
};
static void news_folder_init (Folder *folder,
const gchar *name,
const gchar *path);
static Folder *news_folder_new (const gchar *name,
const gchar *folder);
static void news_folder_destroy (Folder *folder);
static gchar *news_fetch_msg (Folder *folder,
FolderItem *item,
gint num);
#if USE_OPENSSL
static Session *news_session_new (const gchar *server,
gushort port,
const gchar *userid,
const gchar *passwd,
SSLType ssl_type);
#else
static Session *news_session_new (const gchar *server,
gushort port,
const gchar *userid,
const gchar *passwd);
#endif
static gint news_get_article_cmd (NNTPSession *session,
const gchar *cmd,
gint num,
gchar *filename);
static gint news_get_article (NNTPSession *session,
gint num,
gchar *filename);
static gint news_select_group (NNTPSession *session,
const gchar *group,
gint *num,
gint *first,
gint *last);
static MsgInfo *news_parse_xover (const gchar *xover_str);
static gchar *news_parse_xhdr (const gchar *xhdr_str,
MsgInfo *msginfo);
gint news_get_num_list (Folder *folder,
FolderItem *item,
GSList **list,
gboolean *old_uids_valid);
MsgInfo *news_get_msginfo (Folder *folder,
FolderItem *item,
gint num);
GSList *news_get_msginfos (Folder *folder,
FolderItem *item,
GSList *msgnum_list);
gboolean news_scan_required (Folder *folder,
FolderItem *item);
gint news_post_stream (Folder *folder,
FILE *fp);
static gchar *news_folder_get_path (Folder *folder);
gchar *news_item_get_path (Folder *folder,
FolderItem *item);
static void news_synchronise (FolderItem *item);
static int news_remove_msg (Folder *folder,
FolderItem *item,
gint msgnum);
static gint news_remove_folder (Folder *folder,
FolderItem *item);
static FolderClass news_class;
FolderClass *news_get_class(void)
{
if (news_class.idstr == NULL) {
news_class.type = F_NEWS;
news_class.idstr = "news";
news_class.uistr = "News";
/* Folder functions */
news_class.new_folder = news_folder_new;
news_class.destroy_folder = news_folder_destroy;
/* FolderItem functions */
news_class.item_get_path = news_item_get_path;
news_class.get_num_list = news_get_num_list;
news_class.scan_required = news_scan_required;
news_class.remove_folder = news_remove_folder;
/* Message functions */
news_class.get_msginfo = news_get_msginfo;
news_class.get_msginfos = news_get_msginfos;
news_class.fetch_msg = news_fetch_msg;
news_class.synchronise = news_synchronise;
news_class.remove_msg = news_remove_msg;
};
return &news_class;
}
static int news_remove_msg (Folder *folder,
FolderItem *item,
gint msgnum)
{
gchar *path, *filename;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
g_free(path);
g_unlink(filename);
g_free(filename);
return 0;
}
static void news_folder_lock(NewsFolder *folder)
{
folder->lock_count++;
}
static void news_folder_unlock(NewsFolder *folder)
{
if (folder->lock_count > 0)
folder->lock_count--;
}
int news_folder_locked(Folder *folder)
{
if (folder == NULL)
return 0;
return NEWS_FOLDER(folder)->lock_count;
}
static Folder *news_folder_new(const gchar *name, const gchar *path)
{
Folder *folder;
folder = (Folder *)g_new0(NewsFolder, 1);
folder->klass = &news_class;
news_folder_init(folder, name, path);
return folder;
}
static void news_folder_destroy(Folder *folder)
{
gchar *dir;
dir = news_folder_get_path(folder);
if (is_dir_exist(dir))
remove_dir_recursive(dir);
g_free(dir);
folder_remote_folder_destroy(REMOTE_FOLDER(folder));
}
static void news_folder_init(Folder *folder, const gchar *name,
const gchar *path)
{
folder_remote_folder_init(folder, name, path);
}
#if USE_OPENSSL
static Session *news_session_new(const gchar *server, gushort port,
const gchar *userid, const gchar *passwd,
SSLType ssl_type)
#else
static Session *news_session_new(const gchar *server, gushort port,
const gchar *userid, const gchar *passwd)
#endif
{
gchar buf[NNTPBUFSIZE];
Session *session;
g_return_val_if_fail(server != NULL, NULL);
log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
#if USE_OPENSSL
session = nntp_session_new(server, port, buf, userid, passwd, ssl_type);
#else
session = nntp_session_new(server, port, buf, userid, passwd);
#endif
return session;
}
static Session *news_session_new_for_folder(Folder *folder)
{
Session *session;
PrefsAccount *ac;
const gchar *userid = NULL;
gchar *passwd = NULL;
gushort port;
gchar buf[NNTPBUFSIZE];
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
ac = folder->account;
if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
userid = ac->userid;
if (ac->passwd && ac->passwd[0])
passwd = g_strdup(ac->passwd);
else
passwd = input_dialog_query_password(ac->nntp_server,
userid);
}
#if USE_OPENSSL
port = ac->set_nntpport ? ac->nntpport
: ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
session = news_session_new(ac->nntp_server, port, userid, passwd,
ac->ssl_nntp);
#else
if (ac->ssl_nntp != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return NULL;
}
port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
session = news_session_new(ac->nntp_server, port, userid, passwd);
#endif
if ((session != NULL) && ac->use_nntp_auth && ac->use_nntp_auth_onconnect)
nntp_forceauth(NNTP_SESSION(session), buf, userid, passwd);
g_free(passwd);
return session;
}
static NNTPSession *news_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
g_return_val_if_fail(folder->account != NULL, NULL);
if (prefs_common.work_offline &&
!inc_offline_should_override(
_("Claws Mail needs network access in order "
"to access the News server."))) {
return NULL;
}
if (!rfolder->session) {
rfolder->session = news_session_new_for_folder(folder);
return NNTP_SESSION(rfolder->session);
}
if (time(NULL) - rfolder->session->last_access_time <
SESSION_TIMEOUT_INTERVAL) {
return NNTP_SESSION(rfolder->session);
}
if (nntp_mode(NNTP_SESSION(rfolder->session), FALSE)
!= NN_SUCCESS) {
log_warning(_("NNTP connection to %s:%d has been"
" disconnected. Reconnecting...\n"),
folder->account->nntp_server,
folder->account->set_nntpport ?
folder->account->nntpport : NNTP_PORT);
session_destroy(rfolder->session);
rfolder->session = news_session_new_for_folder(folder);
}
if (rfolder->session)
session_set_access_time(rfolder->session);
return NNTP_SESSION(rfolder->session);
}
static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
{
gchar *path, *filename;
NNTPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
g_free(path);
if (is_file_exist(filename)) {
debug_print("article %d has been already cached.\n", num);
return filename;
}
session = news_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
ok = news_select_group(session, item->path, NULL, NULL, NULL);
if (ok != NN_SUCCESS) {
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
g_free(filename);
return NULL;
}
debug_print("getting article %d...\n", num);
ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
num, filename);
if (ok != NN_SUCCESS) {
g_warning("can't read article %d\n", num);
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
g_free(filename);
return NULL;
}
GTK_EVENTS_FLUSH();
return filename;
}
static NewsGroupInfo *news_group_info_new(const gchar *name,
gint first, gint last, gchar type)
{
NewsGroupInfo *ginfo;
ginfo = g_new(NewsGroupInfo, 1);
ginfo->name = g_strdup(name);
ginfo->first = first;
ginfo->last = last;
ginfo->type = type;
return ginfo;
}
static void news_group_info_free(NewsGroupInfo *ginfo)
{
g_free(ginfo->name);
g_free(ginfo);
}
static gint news_group_info_compare(NewsGroupInfo *ginfo1,
NewsGroupInfo *ginfo2)
{
return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
}
GSList *news_get_group_list(Folder *folder)
{
gchar *path, *filename;
FILE *fp;
GSList *list = NULL;
GSList *last = NULL;
gchar buf[NNTPBUFSIZE];
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
g_free(path);
if ((fp = g_fopen(filename, "rb")) == NULL) {
NNTPSession *session;
gint ok;
session = news_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
ok = nntp_list(session);
if (ok != NN_SUCCESS) {
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
g_free(filename);
return NULL;
}
if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
log_warning(_("can't retrieve newsgroup list\n"));
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
g_free(filename);
return NULL;
}
if ((fp = g_fopen(filename, "rb")) == NULL) {
FILE_OP_ERROR(filename, "fopen");
g_free(filename);
return NULL;
}
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
gchar *p = buf;
gchar *name;
gint last_num;
gint first_num;
gchar type;
NewsGroupInfo *ginfo;
p = strchr(p, ' ');
if (!p) continue;
*p = '\0';
p++;
name = buf;
if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
continue;
ginfo = news_group_info_new(name, first_num, last_num, type);
if (!last)
last = list = g_slist_append(NULL, ginfo);
else {
last = g_slist_append(last, ginfo);
last = last->next;
}
}
fclose(fp);
g_free(filename);
list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
return list;
}
void news_group_list_free(GSList *group_list)
{
GSList *cur;
if (!group_list) return;
for (cur = group_list; cur != NULL; cur = cur->next)
news_group_info_free((NewsGroupInfo *)cur->data);
g_slist_free(group_list);
}
void news_remove_group_list_cache(Folder *folder)
{
gchar *path, *filename;
g_return_if_fail(folder != NULL);
g_return_if_fail(FOLDER_CLASS(folder) == &news_class);
path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
g_free(path);
if (is_file_exist(filename)) {
if (remove(filename) < 0)
FILE_OP_ERROR(filename, "remove");
}
g_free(filename);
}
gint news_post(Folder *folder, const gchar *file)
{
FILE *fp;
gint ok;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
g_return_val_if_fail(file != NULL, -1);
if ((fp = g_fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return -1;
}
ok = news_post_stream(folder, fp);
fclose(fp);
return ok;
}
gint news_post_stream(Folder *folder, FILE *fp)
{
NNTPSession *session;
gint ok;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
g_return_val_if_fail(fp != NULL, -1);
session = news_session_get(folder);
if (!session) return -1;
ok = nntp_post(session, fp);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't post article.\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
return -1;
}
return 0;
}
static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
gint num, gchar *filename)
{
gchar *msgid;
gint ok;
ok = nntp_get_article(session, cmd, num, &msgid);
if (ok != NN_SUCCESS)
return ok;
debug_print("Message-ID = %s, num = %d\n", msgid, num);
g_free(msgid);
ok = recv_write_to_file(SESSION(session)->sock, filename);
if (ok < 0) {
log_warning(_("couldn't retrieve article %d\n"), num);
if (ok == -2)
return NN_SOCKET;
else
return NN_IOERR;
}
return NN_SUCCESS;
}
static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
{
return news_get_article_cmd(session, "ARTICLE", num, filename);
}
/**
* news_select_group:
* @session: Active NNTP session.
* @group: Newsgroup name.
* @num: Estimated number of articles.
* @first: First article number.
* @last: Last article number.
*
* Select newsgroup @group with the GROUP command if it is not already
* selected in @session, or article numbers need to be returned.
*
* Return value: NNTP result code.
**/
static gint news_select_group(NNTPSession *session, const gchar *group,
gint *num, gint *first, gint *last)
{
gint ok;
gint num_, first_, last_;
if (!num || !first || !last) {
if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
return NN_SUCCESS;
num = &num_;
first = &first_;
last = &last_;
}
g_free(session->group);
session->group = NULL;
ok = nntp_group(session, group, num, first, last);
if (ok == NN_SUCCESS)
session->group = g_strdup(group);
else
log_warning(_("couldn't select group: %s\n"), group);
return ok;
}
#define PARSE_ONE_PARAM(p, srcp) \
{ \
p = strchr(srcp, '\t'); \
if (!p) return NULL; \
else \
*p++ = '\0'; \
}
static MsgInfo *news_parse_xover(const gchar *xover_str)
{
MsgInfo *msginfo;
gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
gchar *p;
gint num, size_int, line_int;
gchar *xover_buf;
Xstrdup_a(xover_buf, xover_str, return NULL);
PARSE_ONE_PARAM(subject, xover_buf);
PARSE_ONE_PARAM(sender, subject);
PARSE_ONE_PARAM(date, sender);
PARSE_ONE_PARAM(msgid, date);
PARSE_ONE_PARAM(ref, msgid);
PARSE_ONE_PARAM(size, ref);
PARSE_ONE_PARAM(line, size);
/*
* PARSE_ONE_PARAM(xref, line);
*
* if we parse extra headers we should first examine the
* LIST OVERVIEW.FMT response from the server. See
* RFC2980 for details
*/
tmp = strchr(line, '\t');
if (!tmp) tmp = strchr(line, '\r');
if (!tmp) tmp = strchr(line, '\n');
if (tmp) *tmp = '\0';
num = atoi(xover_str);
size_int = atoi(size);
line_int = atoi(line);
/* set MsgInfo */
msginfo = procmsg_msginfo_new();
msginfo->msgnum = num;
msginfo->size = size_int;
msginfo->date = g_strdup(date);
msginfo->date_t = procheader_date_parse(NULL, date, 0);
msginfo->from = conv_unmime_header(sender, NULL);
msginfo->fromname = procheader_get_fromname(msginfo->from);
msginfo->subject = conv_unmime_header(subject, NULL);
remove_return(msginfo->from);
remove_return(msginfo->fromname);
remove_return(msginfo->subject);
if (msgid) {
extract_parenthesis(msgid, '<', '>');
remove_space(msgid);
if (*msgid != '\0')
msginfo->msgid = g_strdup(msgid);
}
/* FIXME: this is a quick fix; references' meaning was changed
* into having the actual list of references in the References: header.
* We need a GSList here, so msginfo_free() and msginfo_copy() can do
* their things properly. */
if (ref && strlen(ref)) {
gchar **ref_tokens = g_strsplit(ref, " ", -1);
guint i = 0;
while (ref_tokens[i]) {
gchar *cur_ref = ref_tokens[i];
msginfo->references = references_list_append(msginfo->references,
cur_ref);
i++;
}
g_strfreev(ref_tokens);
eliminate_parenthesis(ref, '(', ')');
if ((p = strrchr(ref, '<')) != NULL) {
extract_parenthesis(p, '<', '>');
remove_space(p);
if (*p != '\0')
msginfo->inreplyto = g_strdup(p);
}
}
return msginfo;
}
static gchar *news_parse_xhdr(const gchar *xhdr_str, MsgInfo *msginfo)
{
gchar *p;
gchar *tmp;
gint num;
p = strchr(xhdr_str, ' ');
if (!p)
return NULL;
else
p++;
num = atoi(xhdr_str);
if (msginfo->msgnum != num) return NULL;
tmp = strchr(p, '\r');
if (!tmp) tmp = strchr(p, '\n');
if (tmp)
return g_strndup(p, tmp - p);
else
return g_strdup(p);
}
gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
{
gchar * tmp;
FILE * tmpfp;
gchar buf[BUFFSIZE];
tmp = g_strdup_printf("%s%ctmp%d", g_get_tmp_dir(),
G_DIR_SEPARATOR, (gint)msginfo);
if (tmp == NULL)
return -1;
if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
FILE_OP_ERROR(tmp, "fopen");
return -1;
}
if (change_file_mode_rw(tmpfp, tmp) < 0) {
FILE_OP_ERROR(tmp, "chmod");
g_warning("can't change file mode\n");
}
fprintf(tmpfp, "From: %s\r\n", msginfo->from);
fprintf(tmpfp, "Newsgroups: %s\r\n", msginfo->newsgroups);
fprintf(tmpfp, "Subject: cmsg cancel <%s>\r\n", msginfo->msgid);
fprintf(tmpfp, "Control: cancel <%s>\r\n", msginfo->msgid);
fprintf(tmpfp, "Approved: %s\r\n", msginfo->from);
fprintf(tmpfp, "X-Cancelled-by: %s\r\n", msginfo->from);
get_rfc822_date(buf, sizeof(buf));
fprintf(tmpfp, "Date: %s\r\n", buf);
fprintf(tmpfp, "\r\n");
fprintf(tmpfp, "removed with sylpheed\r\n");
fclose(tmpfp);
news_post(folder, tmp);
remove(tmp);
g_free(tmp);
return 0;
}
static gchar *news_folder_get_path(Folder *folder)
{
gchar *folder_path;
g_return_val_if_fail(folder->account != NULL, NULL);
folder_path = g_strconcat(get_news_cache_dir(),
G_DIR_SEPARATOR_S,
folder->account->nntp_server,
NULL);
return folder_path;
}
gchar *news_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
folder_path = news_folder_get_path(folder);
g_return_val_if_fail(folder_path != NULL, NULL);
if (folder_path[0] == G_DIR_SEPARATOR) {
if (item->path)
path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strdup(folder_path);
} else {
if (item->path)
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, NULL);
}
g_free(folder_path);
return path;
}
gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
{
NNTPSession *session;
gint i, ok, num, first, last, nummsgs = 0;
gchar *dir;
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->folder != NULL, -1);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
session = news_session_get(folder);
g_return_val_if_fail(session != NULL, -1);
*old_uids_valid = TRUE;
news_folder_lock(NEWS_FOLDER(item->folder));
ok = news_select_group(session, item->path, &num, &first, &last);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't set group: %s\n"), item->path);
news_folder_unlock(NEWS_FOLDER(item->folder));
return -1;
}
dir = news_folder_get_path(folder);
if (num <= 0)
remove_all_numbered_files(dir);
else if (last < first)
log_warning(_("invalid article range: %d - %d\n"),
first, last);
else {
for (i = first; i <= last; i++) {
*msgnum_list = g_slist_prepend(*msgnum_list,
GINT_TO_POINTER(i));
nummsgs++;
}
debug_print("removing old messages from %d to %d in %s\n",
first, last, dir);
remove_numbered_files(dir, 1, first - 1);
}
g_free(dir);
news_folder_unlock(NEWS_FOLDER(item->folder));
return nummsgs;
}
#define READ_TO_LISTEND(hdr) \
while (!(buf[0] == '.' && buf[1] == '\r')) { \
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) { \
log_warning(_("error occurred while getting %s.\n"), hdr); \
return msginfo; \
} \
}
static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
{
msginfo->flags.tmp_flags = 0;
if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
if (item->folder->newsart &&
g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
} else {
if (!item->folder->newsart)
item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
g_hash_table_insert(item->folder->newsart,
g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
}
} else {
msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
}
}
MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
{
NNTPSession *session;
MsgInfo *msginfo = NULL;
gchar buf[NNTPBUFSIZE];
gint ok;
session = news_session_get(folder);
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
g_return_val_if_fail(item->folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
log_message(_("getting xover %d in %s...\n"),
num, item->path);
ok = nntp_xover(session, num, num);
news_folder_lock(NEWS_FOLDER(item->folder));
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xover\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xover.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
msginfo = news_parse_xover(buf);
if (!msginfo) {
log_warning(_("invalid xover line: %s\n"), buf);
}
READ_TO_LISTEND("xover");
if(!msginfo) {
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
msginfo->folder = item;
news_set_msg_flags(item, msginfo);
msginfo->flags.tmp_flags |= MSG_NEWS;
msginfo->newsgroups = g_strdup(item->path);
ok = nntp_xhdr(session, "to", num, num);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xhdr\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return msginfo;
}
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xhdr.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return msginfo;
}
msginfo->to = news_parse_xhdr(buf, msginfo);
READ_TO_LISTEND("xhdr (to)");
ok = nntp_xhdr(session, "cc", num, num);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xhdr\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return msginfo;
}
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xhdr.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return msginfo;
}
msginfo->cc = news_parse_xhdr(buf, msginfo);
READ_TO_LISTEND("xhdr (cc)");
news_folder_unlock(NEWS_FOLDER(item->folder));
return msginfo;
}
static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *item, guint begin, guint end)
{
gchar buf[NNTPBUFSIZE];
GSList *newlist = NULL;
GSList *llast = NULL;
MsgInfo *msginfo;
guint count = 0, lines = (end - begin) + 2;
gint ok;
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
log_message(_("getting xover %d - %d in %s...\n"),
begin, end, item->path);
ok = nntp_xover(session, begin, end);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xover\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
return NULL;
}
news_folder_lock(NEWS_FOLDER(item->folder));
for (;;) {
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xover.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return newlist;
}
count++;
progressindicator_set_percentage
(PROGRESS_TYPE_NETWORK,
session->fetch_base_percentage +
(((gfloat) count) / ((gfloat) lines)) * session->fetch_total_percentage);
if (buf[0] == '.' && buf[1] == '\r') break;
msginfo = news_parse_xover(buf);
if (!msginfo) {
log_warning(_("invalid xover line: %s\n"), buf);
continue;
}
msginfo->folder = item;
news_set_msg_flags(item, msginfo);
msginfo->flags.tmp_flags |= MSG_NEWS;
msginfo->newsgroups = g_strdup(item->path);
if (!newlist)
llast = newlist = g_slist_append(newlist, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
}
ok = nntp_xhdr(session, "to", begin, end);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xhdr\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return newlist;
}
llast = newlist;
for (;;) {
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xhdr.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return newlist;
}
if (buf[0] == '.' && buf[1] == '\r') break;
if (!llast) {
g_warning("llast == NULL\n");
continue;
}
msginfo = (MsgInfo *)llast->data;
msginfo->to = news_parse_xhdr(buf, msginfo);
llast = llast->next;
}
ok = nntp_xhdr(session, "cc", begin, end);
if (ok != NN_SUCCESS) {
log_warning(_("couldn't get xhdr\n"));
if (ok == NN_SOCKET) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return newlist;
}
llast = newlist;
for (;;) {
if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
log_warning(_("error occurred while getting xhdr.\n"));
news_folder_unlock(NEWS_FOLDER(item->folder));
return newlist;
}
if (buf[0] == '.' && buf[1] == '\r') break;
if (!llast) {
g_warning("llast == NULL\n");
continue;
}
msginfo = (MsgInfo *)llast->data;
msginfo->cc = news_parse_xhdr(buf, msginfo);
llast = llast->next;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
session_set_access_time(SESSION(session));
return newlist;
}
GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
{
NNTPSession *session;
GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
guint first, last, next;
guint tofetch, fetched;
g_return_val_if_fail(folder != NULL, NULL);
g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
g_return_val_if_fail(msgnum_list != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
session = news_session_get(folder);
g_return_val_if_fail(session != NULL, NULL);
tmp_msgnum_list = g_slist_copy(msgnum_list);
tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
progressindicator_start(PROGRESS_TYPE_NETWORK);
tofetch = g_slist_length(tmp_msgnum_list);
fetched = 0;
first = GPOINTER_TO_INT(tmp_msgnum_list->data);
last = first;
news_folder_lock(NEWS_FOLDER(item->folder));
for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
next = GPOINTER_TO_INT(elem->data);
if(next != (last + 1)) {
session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
fetched = last - first + 1;
first = next;
}
last = next;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
g_slist_free(tmp_msgnum_list);
progressindicator_stop(PROGRESS_TYPE_NETWORK);
return msginfo_list;
}
gboolean news_scan_required(Folder *folder, FolderItem *item)
{
return TRUE;
}
void news_synchronise(FolderItem *item)
{
news_gtk_synchronise(item);
}
static gint news_remove_folder(Folder *folder, FolderItem *item)
{
gchar *path;
g_return_val_if_fail(folder != NULL, -1);
g_return_val_if_fail(item != NULL, -1);
g_return_val_if_fail(item->path != NULL, -1);
path = folder_item_get_path(item);
if (remove_dir_recursive(path) < 0) {
g_warning("can't remove directory `%s'\n", path);
g_free(path);
return -1;
}
g_free(path);
folder_item_remove(item);
return 0;
}