src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #ifdef HAVE_LIBETPAN
  25
  26 #include "defs.h"
  27
  28 #include <glib.h>
  29 #include <glib/gi18n.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <dirent.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36 #include <libetpan/libetpan.h>
  37
  38 #include "nntp-thread.h"
  39 #include "news.h"
  40 #include "news_gtk.h"
  41 #include "socket.h"
  42 #include "recv.h"
  43 #include "procmsg.h"
  44 #include "procheader.h"
  45 #include "folder.h"
  46 #include "session.h"
  47 #include "statusbar.h"
  48 #include "codeconv.h"
  49 #include "utils.h"
  50 #include "prefs_common.h"
  51 #include "prefs_account.h"
  52 #include "inputdialog.h"
  53 #include "log.h"
  54 #include "progressindicator.h"
  55 #include "remotefolder.h"
  56 #include "alertpanel.h"
  57 #include "inc.h"
  58 #ifdef USE_GNUTLS
  59 #  include "ssl.h"
  60 #endif
  61
  62 #define NNTP_PORT       119
  63 #ifdef USE_GNUTLS
  64 #define NNTPS_PORT      563
  65 #endif
  66
  67 typedef struct _NewsFolder      NewsFolder;
  68 typedef struct _NewsSession     NewsSession;
  69
  70 #define NEWS_FOLDER(obj)        ((NewsFolder *)obj)
  71 #define NEWS_SESSION(obj)       ((NewsSession *)obj)
  72
  73 struct _NewsFolder
  74 {
  75         RemoteFolder rfolder;
  76
  77         gboolean use_auth;
  78         gboolean lock_count;
  79         guint refcnt;
  80 };
  81
  82 struct _NewsSession
  83 {
  84         Session session;
  85
  86         gchar *group;
  87 };
  88
  89 static void news_folder_init(Folder *folder, const gchar *name,
  90                              const gchar *path);
  91
  92 static Folder   *news_folder_new        (const gchar    *name,
  93                                          const gchar    *folder);
  94 static void      news_folder_destroy    (Folder         *folder);
  95
  96 static gchar *news_fetch_msg            (Folder         *folder,
  97                                          FolderItem     *item,
  98                                          gint            num);
  99 static void news_remove_cached_msg      (Folder         *folder,
 100                                          FolderItem     *item,
 101                                          MsgInfo        *msginfo);
 102 #ifdef USE_GNUTLS
 103 static Session *news_session_new         (Folder        *folder,
 104                                           const gchar   *server,
 105                                           gushort        port,
 106                                           const gchar   *userid,
 107                                           const gchar   *passwd,
 108                                           SSLType        ssl_type);
 109 #else
 110 static Session *news_session_new         (Folder        *folder,
 111                                           const gchar   *server,
 112                                           gushort        port,
 113                                           const gchar   *userid,
 114                                           const gchar   *passwd);
 115 #endif
 116
 117 static gint news_get_article             (Folder        *folder,
 118                                           gint           num,
 119                                           gchar         *filename);
 120
 121 static gint news_select_group            (Folder        *folder,
 122                                           const gchar   *group,
 123                                           gint          *num,
 124                                           gint          *first,
 125                                           gint          *last);
 126 static MsgInfo *news_parse_xover         (struct newsnntp_xover_resp_item *item);
 127 static gint news_get_num_list                    (Folder        *folder,
 128                                           FolderItem    *item,
 129                                           GSList       **list,
 130                                           gboolean      *old_uids_valid);
 131 static MsgInfo *news_get_msginfo                 (Folder        *folder,
 132                                           FolderItem    *item,
 133                                           gint           num);
 134 static GSList *news_get_msginfos                 (Folder        *folder,
 135                                           FolderItem    *item,
 136                                           GSList        *msgnum_list);
 137 static gboolean news_scan_required               (Folder        *folder,
 138                                           FolderItem    *item);
 139
 140 static gchar *news_folder_get_path       (Folder        *folder);
 141 static gchar *news_item_get_path                 (Folder        *folder,
 142                                           FolderItem    *item);
 143 static void news_synchronise             (FolderItem    *item, gint days);
 144 static int news_remove_msg               (Folder        *folder,
 145                                           FolderItem    *item,
 146                                           gint           msgnum);
 147 static gint news_rename_folder           (Folder *folder,
 148                                           FolderItem *item,
 149                                           const gchar *name);
 150 static gint news_remove_folder           (Folder        *folder,
 151                                           FolderItem    *item);
 152 static FolderClass news_class;
 153
 154 FolderClass *news_get_class(void)
 155 {
 156         if (news_class.idstr == NULL) {
 157                 news_class.type = F_NEWS;
 158                 news_class.idstr = "news";
 159                 news_class.uistr = "News";
 160
 161                 /* Folder functions */
 162                 news_class.new_folder = news_folder_new;
 163                 news_class.destroy_folder = news_folder_destroy;
 164
 165                 /* FolderItem functions */
 166                 news_class.item_get_path = news_item_get_path;
 167                 news_class.get_num_list = news_get_num_list;
 168                 news_class.scan_required = news_scan_required;
 169                 news_class.rename_folder = news_rename_folder;
 170                 news_class.remove_folder = news_remove_folder;
 171
 172                 /* Message functions */
 173                 news_class.get_msginfo = news_get_msginfo;
 174                 news_class.get_msginfos = news_get_msginfos;
 175                 news_class.fetch_msg = news_fetch_msg;
 176                 news_class.synchronise = news_synchronise;
 177                 news_class.remove_msg = news_remove_msg;
 178                 news_class.remove_cached_msg = news_remove_cached_msg;
 179         };
 180
 181         return &news_class;
 182 }
 183
 184 guint nntp_folder_get_refcnt(Folder *folder)
 185 {
 186         return ((NewsFolder *)folder)->refcnt;
 187 }
 188
 189 void nntp_folder_ref(Folder *folder)
 190 {
 191         ((NewsFolder *)folder)->refcnt++;
 192 }
 193
 194 void nntp_folder_unref(Folder *folder)
 195 {
 196         if (((NewsFolder *)folder)->refcnt > 0)
 197                 ((NewsFolder *)folder)->refcnt--;
 198 }
 199
 200 static int news_remove_msg               (Folder        *folder,
 201                                           FolderItem    *item,
 202                                           gint           msgnum)
 203 {
 204         gchar *path, *filename;
 205
 206         cm_return_val_if_fail(folder != NULL, -1);
 207         cm_return_val_if_fail(item != NULL, -1);
 208
 209         path = folder_item_get_path(item);
 210         if (!is_dir_exist(path))
 211                 make_dir_hier(path);
 212
 213         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
 214         g_free(path);
 215         claws_unlink(filename);
 216         g_free(filename);
 217         return 0;
 218 }
 219
 220 static void news_folder_lock(NewsFolder *folder)
 221 {
 222         folder->lock_count++;
 223 }
 224
 225 static void news_folder_unlock(NewsFolder *folder)
 226 {
 227         if (folder->lock_count > 0)
 228                 folder->lock_count--;
 229 }
 230
 231 int news_folder_locked(Folder *folder)
 232 {
 233         if (folder == NULL)
 234                 return 0;
 235
 236         return NEWS_FOLDER(folder)->lock_count;
 237 }
 238
 239 static Folder *news_folder_new(const gchar *name, const gchar *path)
 240 {
 241         Folder *folder;
 242
 243         folder = (Folder *)g_new0(NewsFolder, 1);
 244         folder->klass = &news_class;
 245         news_folder_init(folder, name, path);
 246
 247         return folder;
 248 }
 249
 250 static void news_folder_destroy(Folder *folder)
 251 {
 252         gchar *dir;
 253
 254         while (nntp_folder_get_refcnt(folder) > 0)
 255                 gtk_main_iteration();
 256
 257         dir = news_folder_get_path(folder);
 258         if (is_dir_exist(dir))
 259                 remove_dir_recursive(dir);
 260         g_free(dir);
 261
 262         nntp_done(folder);
 263         folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 264 }
 265
 266 static void news_folder_init(Folder *folder, const gchar *name,
 267                              const gchar *path)
 268 {
 269         folder_remote_folder_init(folder, name, path);
 270 }
 271
 272 static void news_session_destroy(Session *session)
 273 {
 274         NewsSession *news_session = NEWS_SESSION(session);
 275
 276         cm_return_if_fail(session != NULL);
 277
 278         if (news_session->group)
 279                 g_free(news_session->group);
 280 }
 281
 282 #ifdef USE_GNUTLS
 283 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 284                                  const gchar *userid, const gchar *passwd,
 285                                  SSLType ssl_type)
 286 #else
 287 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 288                                  const gchar *userid, const gchar *passwd)
 289 #endif
 290 {
 291         NewsSession *session;
 292         int r = 0;
 293         cm_return_val_if_fail(server != NULL, NULL);
 294
 295         log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s...\n"),
 296                                     folder->account->account_name, server);
 297
 298         session = g_new0(NewsSession, 1);
 299         session_init(SESSION(session), folder->account, FALSE);
 300         SESSION(session)->type             = SESSION_NEWS;
 301         SESSION(session)->server           = g_strdup(server);
 302         SESSION(session)->port             = port;
 303         SESSION(session)->sock             = NULL;
 304         SESSION(session)->destroy          = news_session_destroy;
 305
 306         nntp_init(folder);
 307
 308 #ifdef USE_GNUTLS
 309         if (ssl_type != SSL_NONE)
 310                 r = nntp_threaded_connect_ssl(folder, server, port);
 311         else
 312 #endif
 313                 r = nntp_threaded_connect(folder, server, port);
 314
 315         if (r != NEWSNNTP_NO_ERROR) {
 316                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 317                 session_destroy(SESSION(session));
 318                 return NULL;
 319         }
 320
 321         return SESSION(session);
 322 }
 323
 324 static Session *news_session_new_for_folder(Folder *folder)
 325 {
 326         Session *session;
 327         PrefsAccount *ac;
 328         const gchar *userid = NULL;
 329         gchar *passwd = NULL;
 330         gushort port;
 331
 332         cm_return_val_if_fail(folder != NULL, NULL);
 333         cm_return_val_if_fail(folder->account != NULL, NULL);
 334
 335         ac = folder->account;
 336         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 337                 userid = ac->userid;
 338                 if (ac->passwd && ac->passwd[0])
 339                         passwd = g_strdup(ac->passwd);
 340                 else
 341                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 342                                                                   userid,
 343                                                                   &(ac->session_passwd));
 344         }
 345
 346 #ifdef USE_GNUTLS
 347         port = ac->set_nntpport ? ac->nntpport
 348                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 349         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 350                                    ac->ssl_nntp);
 351 #else
 352         if (ac->ssl_nntp != SSL_NONE) {
 353                 if (alertpanel_full(_("Insecure connection"),
 354                         _("This connection is configured to be secured "
 355                           "using SSL, but SSL is not available in this "
 356                           "build of Claws Mail. \n\n"
 357                           "Do you want to continue connecting to this "
 358                           "server? The communication would not be "
 359                           "secure."),
 360                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 361                           NULL, FALSE, NULL, ALERT_WARNING,
 362                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 363                         return NULL;
 364         }
 365         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 366         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 367 #endif
 368
 369         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 370                 if (nntp_threaded_login(folder, userid, passwd) !=
 371                         NEWSNNTP_NO_ERROR) {
 372                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 373                         session_destroy(SESSION(session));
 374                         g_free(passwd);
 375                         if (ac->session_passwd) {
 376                                 g_free(ac->session_passwd);
 377                                 ac->session_passwd = NULL;
 378                         }
 379                         return NULL;
 380                 }
 381         }
 382         g_free(passwd);
 383
 384         return session;
 385 }
 386
 387 static NewsSession *news_session_get(Folder *folder)
 388 {
 389         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 390         struct tm lt;
 391         int r;
 392
 393         cm_return_val_if_fail(folder != NULL, NULL);
 394         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 395         cm_return_val_if_fail(folder->account != NULL, NULL);
 396
 397         if (prefs_common.work_offline &&
 398             !inc_offline_should_override(FALSE,
 399                 _("Claws Mail needs network access in order "
 400                   "to access the News server."))) {
 401                 return NULL;
 402         }
 403
 404         if (!rfolder->session) {
 405                 rfolder->session = news_session_new_for_folder(folder);
 406                 return NEWS_SESSION(rfolder->session);
 407         }
 408
 409         /* Handle port change (also ssl/nossl change) without needing to
 410          * restart application. */
 411         if (rfolder->session->port != folder->account->nntpport) {
 412                 session_destroy(rfolder->session);
 413                 rfolder->session = news_session_new_for_folder(folder);
 414                 goto newsession;
 415         }
 416
 417         if (time(NULL) - rfolder->session->last_access_time <
 418                 SESSION_TIMEOUT_INTERVAL) {
 419                 return NEWS_SESSION(rfolder->session);
 420         }
 421
 422         if ((r = nntp_threaded_date(folder, &lt)) != NEWSNNTP_NO_ERROR) {
 423                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 424                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 425                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 426                               " disconnected. Reconnecting...\n"),
 427                             folder->account->nntp_server,
 428                             folder->account->set_nntpport ?
 429                             folder->account->nntpport : NNTP_PORT);
 430                         session_destroy(rfolder->session);
 431                         rfolder->session = news_session_new_for_folder(folder);
 432                 }
 433         }
 434
 435 newsession:
 436         if (rfolder->session)
 437                 session_set_access_time(rfolder->session);
 438
 439         return NEWS_SESSION(rfolder->session);
 440 }
 441
 442 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 443 {
 444         gchar *path, *filename;
 445
 446         path = folder_item_get_path(item);
 447
 448         if (!is_dir_exist(path)) {
 449                 g_free(path);
 450                 return;
 451         }
 452
 453         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 454         g_free(path);
 455
 456         if (is_file_exist(filename)) {
 457                 claws_unlink(filename);
 458         }
 459         g_free(filename);
 460 }
 461
 462 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 463 {
 464         gchar *path, *filename;
 465         NewsSession *session;
 466         gint ok;
 467
 468         cm_return_val_if_fail(folder != NULL, NULL);
 469         cm_return_val_if_fail(item != NULL, NULL);
 470
 471         path = folder_item_get_path(item);
 472         if (!is_dir_exist(path))
 473                 make_dir_hier(path);
 474         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 475         g_free(path);
 476
 477         if (is_file_exist(filename)) {
 478                 debug_print("article %d has been already cached.\n", num);
 479                 return filename;
 480         }
 481
 482         session = news_session_get(folder);
 483         if (!session) {
 484                 g_free(filename);
 485                 return NULL;
 486         }
 487
 488         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 489         if (ok != NEWSNNTP_NO_ERROR) {
 490                 if (ok == NEWSNNTP_ERROR_STREAM) {
 491                         session_destroy(SESSION(session));
 492                         REMOTE_FOLDER(folder)->session = NULL;
 493                 }
 494                 g_free(filename);
 495                 return NULL;
 496         }
 497
 498         debug_print("getting article %d...\n", num);
 499         ok = news_get_article(folder,
 500                               num, filename);
 501         if (ok != NEWSNNTP_NO_ERROR) {
 502                 g_warning("can't read article %d\n", num);
 503                 if (ok == NEWSNNTP_ERROR_STREAM) {
 504                         session_destroy(SESSION(session));
 505                         REMOTE_FOLDER(folder)->session = NULL;
 506                 }
 507                 g_free(filename);
 508                 return NULL;
 509         }
 510         GTK_EVENTS_FLUSH();
 511         return filename;
 512 }
 513
 514 static NewsGroupInfo *news_group_info_new(const gchar *name,
 515                                           gint first, gint last, gchar type)
 516 {
 517         NewsGroupInfo *ginfo;
 518
 519         ginfo = g_new(NewsGroupInfo, 1);
 520         ginfo->name = g_strdup(name);
 521         ginfo->first = first;
 522         ginfo->last = last;
 523         ginfo->type = type;
 524
 525         return ginfo;
 526 }
 527
 528 static void news_group_info_free(NewsGroupInfo *ginfo)
 529 {
 530         g_free(ginfo->name);
 531         g_free(ginfo);
 532 }
 533
 534 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 535                                     NewsGroupInfo *ginfo2)
 536 {
 537         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 538 }
 539
 540 GSList *news_get_group_list(Folder *folder)
 541 {
 542         gchar *path, *filename;
 543         FILE *fp;
 544         GSList *list = NULL;
 545         GSList *last = NULL;
 546         gchar buf[BUFFSIZE];
 547
 548         cm_return_val_if_fail(folder != NULL, NULL);
 549         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 550
 551         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 552         if (!is_dir_exist(path))
 553                 make_dir_hier(path);
 554         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 555         g_free(path);
 556
 557         if ((fp = g_fopen(filename, "rb")) == NULL) {
 558                 NewsSession *session;
 559                 gint ok;
 560                 clist *grouplist = NULL;
 561                 clistiter *cur;
 562                 fp = g_fopen(filename, "wb");
 563
 564                 if (!fp) {
 565                         g_free(filename);
 566                         return NULL;
 567                 }
 568                 session = news_session_get(folder);
 569                 if (!session) {
 570                         fclose(fp);
 571                         g_free(filename);
 572                         return NULL;
 573                 }
 574
 575                 ok = nntp_threaded_list(folder, &grouplist);
 576
 577                 if (ok != NEWSNNTP_NO_ERROR) {
 578                         if (ok == NEWSNNTP_ERROR_STREAM) {
 579                                 session_destroy(SESSION(session));
 580                                 REMOTE_FOLDER(folder)->session = NULL;
 581                         }
 582                         fclose(fp);
 583                         g_free(filename);
 584                         return NULL;
 585                 }
 586
 587                 if (grouplist) {
 588                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 589                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 590                                                                         clist_content(cur);
 591                                 if (fprintf(fp, "%s %d %d %c\n",
 592                                         info->grp_name,
 593                                         info->grp_last,
 594                                         info->grp_first,
 595                                         info->grp_type) < 0) {
 596                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 597                                         session_destroy(SESSION(session));
 598                                         REMOTE_FOLDER(folder)->session = NULL;
 599                                         fclose(fp);
 600                                         g_free(filename);
 601                                         newsnntp_list_free(grouplist);
 602                                         return NULL;
 603                                 }
 604                         }
 605                         newsnntp_list_free(grouplist);
 606                 }
 607                 if (fclose(fp) == EOF) {
 608                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 609                         session_destroy(SESSION(session));
 610                         REMOTE_FOLDER(folder)->session = NULL;
 611                         g_free(filename);
 612                         return NULL;
 613                 }
 614
 615                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 616                         FILE_OP_ERROR(filename, "fopen");
 617                         g_free(filename);
 618                         return NULL;
 619                 }
 620         }
 621
 622         while (fgets(buf, sizeof(buf), fp) != NULL) {
 623                 gchar *p = buf;
 624                 gchar *name;
 625                 gint last_num;
 626                 gint first_num;
 627                 gchar type;
 628                 NewsGroupInfo *ginfo;
 629
 630                 p = strchr(p, ' ');
 631                 if (!p) continue;
 632                 *p = '\0';
 633                 p++;
 634                 name = buf;
 635
 636                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 637                         continue;
 638
 639                 ginfo = news_group_info_new(name, first_num, last_num, type);
 640
 641                 if (!last)
 642                         last = list = g_slist_append(NULL, ginfo);
 643                 else {
 644                         last = g_slist_append(last, ginfo);
 645                         last = last->next;
 646                 }
 647         }
 648
 649         fclose(fp);
 650         g_free(filename);
 651
 652         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 653
 654         return list;
 655 }
 656
 657 void news_group_list_free(GSList *group_list)
 658 {
 659         GSList *cur;
 660
 661         if (!group_list) return;
 662
 663         for (cur = group_list; cur != NULL; cur = cur->next)
 664                 news_group_info_free((NewsGroupInfo *)cur->data);
 665         g_slist_free(group_list);
 666 }
 667
 668 void news_remove_group_list_cache(Folder *folder)
 669 {
 670         gchar *path, *filename;
 671
 672         cm_return_if_fail(folder != NULL);
 673         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 674
 675         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 676         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 677         g_free(path);
 678
 679         if (is_file_exist(filename)) {
 680                 if (remove(filename) < 0)
 681                         FILE_OP_ERROR(filename, "remove");
 682         }
 683         g_free(filename);
 684 }
 685
 686 gint news_post(Folder *folder, const gchar *file)
 687 {
 688         gint ok;
 689         char *contents = file_read_to_str_no_recode(file);
 690         NewsSession *session;
 691
 692         cm_return_val_if_fail(folder != NULL, -1);
 693         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 694         cm_return_val_if_fail(contents != NULL, -1);
 695
 696         session = news_session_get(folder);
 697         if (!session)  {
 698                 g_free(contents);
 699                 return -1;
 700         }
 701
 702         ok = nntp_threaded_post(folder, contents, strlen(contents));
 703
 704         if (ok != NEWSNNTP_NO_ERROR && ok != NEWSNNTP_ERROR_STREAM) {
 705                 ok = nntp_threaded_mode_reader(folder);
 706                 if (ok == NEWSNNTP_NO_ERROR)
 707                         ok = nntp_threaded_post(folder, contents, strlen(contents));
 708         }
 709         g_free(contents);
 710
 711         if (ok == NEWSNNTP_ERROR_STREAM) {
 712                 session_destroy(SESSION(session));
 713                 REMOTE_FOLDER(folder)->session = NULL;
 714         }
 715
 716         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 717 }
 718
 719 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 720 {
 721         size_t len;
 722         char *result = NULL;
 723         int r;
 724
 725         r = nntp_threaded_article(folder, num, &result, &len);
 726
 727         if (r == NEWSNNTP_NO_ERROR) {
 728                 if (str_write_to_file(result, filename) < 0)
 729                         return -1;
 730                 g_free(result);
 731         }
 732
 733         return r;
 734 }
 735
 736 /**
 737  * news_select_group:
 738  * @session: Active NNTP session.
 739  * @group: Newsgroup name.
 740  * @num: Estimated number of articles.
 741  * @first: First article number.
 742  * @last: Last article number.
 743  *
 744  * Select newsgroup @group with the GROUP command if it is not already
 745  * selected in @session, or article numbers need to be returned.
 746  *
 747  * Return value: NNTP result code.
 748  **/
 749 static gint news_select_group(Folder *folder, const gchar *group,
 750                               gint *num, gint *first, gint *last)
 751 {
 752         gint ok;
 753         gint num_, first_, last_;
 754         struct newsnntp_group_info *info = NULL;
 755         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 756
 757         cm_return_val_if_fail(session != NULL, -1);
 758
 759         if (!num || !first || !last) {
 760                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 761                         return NEWSNNTP_NO_ERROR;
 762                 num = &num_;
 763                 first = &first_;
 764                 last = &last_;
 765         }
 766
 767         g_free(session->group);
 768         session->group = NULL;
 769
 770         ok = nntp_threaded_group(folder, group, &info);
 771
 772         if (ok != NEWSNNTP_NO_ERROR &&
 773             ok != NEWSNNTP_ERROR_STREAM &&
 774             ok != NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 775                 ok = nntp_threaded_mode_reader(folder);
 776                 if (ok == NEWSNNTP_NO_ERROR)
 777                         ok = nntp_threaded_group(folder, group, &info);
 778         }
 779
 780         if (ok == NEWSNNTP_NO_ERROR && info) {
 781                 session->group = g_strdup(group);
 782                 *num = info->grp_first;
 783                 *first = info->grp_first;
 784                 *last = info->grp_last;
 785                 newsnntp_group_free(info);
 786         } else {
 787                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 788         }
 789         return ok;
 790 }
 791
 792 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 793 {
 794         MsgInfo *msginfo;
 795
 796         /* set MsgInfo */
 797         msginfo = procmsg_msginfo_new();
 798         msginfo->msgnum = item->ovr_article;
 799         msginfo->size = item->ovr_size;
 800
 801         msginfo->date = g_strdup(item->ovr_date);
 802         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 803
 804         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 805         msginfo->fromname = procheader_get_fromname(msginfo->from);
 806
 807         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 808
 809         remove_return(msginfo->from);
 810         remove_return(msginfo->fromname);
 811         remove_return(msginfo->subject);
 812
 813         if (item->ovr_message_id) {
 814                 gchar *tmp = g_strdup(item->ovr_message_id);
 815                 extract_parenthesis(tmp, '<', '>');
 816                 remove_space(tmp);
 817                 if (*tmp != '\0')
 818                         msginfo->msgid = g_strdup(tmp);
 819                 g_free(tmp);
 820         }
 821
 822         /* FIXME: this is a quick fix; references' meaning was changed
 823          * into having the actual list of references in the References: header.
 824          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 825          * their things properly. */
 826         if (item->ovr_references && *(item->ovr_references)) {
 827                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 828                 guint i = 0;
 829                 char *tmp;
 830                 char *p;
 831                 while (ref_tokens[i]) {
 832                         gchar *cur_ref = ref_tokens[i];
 833                         msginfo->references = references_list_append(msginfo->references,
 834                                         cur_ref);
 835                         i++;
 836                 }
 837                 g_strfreev(ref_tokens);
 838
 839                 tmp = g_strdup(item->ovr_references);
 840                 eliminate_parenthesis(tmp, '(', ')');
 841                 if ((p = strrchr(tmp, '<')) != NULL) {
 842                         extract_parenthesis(p, '<', '>');
 843                         remove_space(p);
 844                         if (*p != '\0')
 845                                 msginfo->inreplyto = g_strdup(p);
 846                 }
 847                 g_free(tmp);
 848         }
 849
 850         return msginfo;
 851 }
 852
 853 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 854 {
 855         gchar * tmp;
 856         FILE * tmpfp;
 857         gchar buf[BUFFSIZE];
 858
 859         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 860                               G_DIR_SEPARATOR, msginfo);
 861         if (tmp == NULL)
 862                 return -1;
 863
 864         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 865                 FILE_OP_ERROR(tmp, "fopen");
 866                 return -1;
 867         }
 868         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 869                 FILE_OP_ERROR(tmp, "chmod");
 870                 g_warning("can't change file mode\n");
 871         }
 872
 873         get_rfc822_date(buf, sizeof(buf));
 874         if (fprintf(tmpfp, "From: %s\r\n"
 875                        "Newsgroups: %s\r\n"
 876                        "Subject: cmsg cancel <%s>\r\n"
 877                        "Control: cancel <%s>\r\n"
 878                        "Approved: %s\r\n"
 879                        "X-Cancelled-by: %s\r\n"
 880                        "Date: %s\r\n"
 881                        "\r\n"
 882                        "removed with Claws Mail\r\n",
 883                        msginfo->from,
 884                        msginfo->newsgroups,
 885                        msginfo->msgid,
 886                        msginfo->msgid,
 887                        msginfo->from,
 888                        msginfo->from,
 889                        buf) < 0) {
 890                 FILE_OP_ERROR(tmp, "fprintf");
 891                 fclose(tmpfp);
 892                 claws_unlink(tmp);
 893                 g_free(tmp);
 894                 return -1;
 895         }
 896
 897         if (fclose(tmpfp) == EOF) {
 898                 FILE_OP_ERROR(tmp, "fclose");
 899                 claws_unlink(tmp);
 900                 g_free(tmp);
 901                 return -1;
 902         }
 903
 904         news_post(folder, tmp);
 905         remove(tmp);
 906
 907         g_free(tmp);
 908
 909         return 0;
 910 }
 911
 912 static gchar *news_folder_get_path(Folder *folder)
 913 {
 914         gchar *folder_path;
 915
 916         cm_return_val_if_fail(folder->account != NULL, NULL);
 917
 918         folder_path = g_strconcat(get_news_cache_dir(),
 919                                   G_DIR_SEPARATOR_S,
 920                                   folder->account->nntp_server,
 921                                   NULL);
 922         return folder_path;
 923 }
 924
 925 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 926 {
 927         gchar *folder_path, *path;
 928
 929         cm_return_val_if_fail(folder != NULL, NULL);
 930         cm_return_val_if_fail(item != NULL, NULL);
 931         folder_path = news_folder_get_path(folder);
 932
 933         cm_return_val_if_fail(folder_path != NULL, NULL);
 934         if (g_path_is_absolute(folder_path)) {
 935                 if (item->path)
 936                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 937                                            item->path, NULL);
 938                 else
 939                         path = g_strdup(folder_path);
 940         } else {
 941                 if (item->path)
 942                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 943                                            folder_path, G_DIR_SEPARATOR_S,
 944                                            item->path, NULL);
 945                 else
 946                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 947                                            folder_path, NULL);
 948         }
 949         g_free(folder_path);
 950 #ifdef G_OS_WIN32
 951         while (strchr(path, '/'))
 952                 *strchr(path, '/') = '\\';
 953 #endif
 954         return path;
 955 }
 956
 957 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 958 {
 959         NewsSession *session;
 960         gint i, ok, num, first, last, nummsgs = 0;
 961         gchar *dir;
 962
 963         cm_return_val_if_fail(item != NULL, -1);
 964         cm_return_val_if_fail(item->folder != NULL, -1);
 965         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 966
 967         session = news_session_get(folder);
 968         cm_return_val_if_fail(session != NULL, -1);
 969
 970         *old_uids_valid = TRUE;
 971
 972         news_folder_lock(NEWS_FOLDER(item->folder));
 973
 974         ok = news_select_group(folder, item->path, &num, &first, &last);
 975         if (ok != NEWSNNTP_NO_ERROR) {
 976                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
 977                 news_folder_unlock(NEWS_FOLDER(item->folder));
 978                 return -1;
 979         }
 980
 981         dir = news_folder_get_path(folder);
 982         if (num <= 0)
 983                 remove_all_numbered_files(dir);
 984         else if (last < first)
 985                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
 986                             first, last);
 987         else {
 988                 for (i = first; i <= last; i++) {
 989                         *msgnum_list = g_slist_prepend(*msgnum_list,
 990                                                        GINT_TO_POINTER(i));
 991                         nummsgs++;
 992                 }
 993                 debug_print("removing old messages from %d to %d in %s\n",
 994                             first, last, dir);
 995                 remove_numbered_files(dir, 1, first - 1);
 996         }
 997         g_free(dir);
 998         news_folder_unlock(NEWS_FOLDER(item->folder));
 999         return nummsgs;
1000 }
1001
1002 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1003 {
1004         msginfo->flags.tmp_flags = 0;
1005         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1006                 if (item->folder->newsart &&
1007                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1008                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1009
1010                 } else {
1011                         if (!item->folder->newsart)
1012                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1013                         g_hash_table_insert(item->folder->newsart,
1014                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1015                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1016                 }
1017         } else {
1018                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1019         }
1020 }
1021
1022 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1023 {
1024         MsgInfo *msginfo = NULL;
1025         gint ok;
1026         GSList *cur;
1027         clist *hdrlist = NULL;
1028         clistiter *hdr;
1029         gint first = -1, last = -1;
1030         GHashTable *hash_table;
1031
1032         cm_return_if_fail(session != NULL);
1033         cm_return_if_fail(item != NULL);
1034         cm_return_if_fail(item->folder != NULL);
1035         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1036
1037         news_folder_lock(NEWS_FOLDER(item->folder));
1038
1039         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1040
1041         for (cur = msglist; cur; cur = cur->next) {
1042                 msginfo = (MsgInfo *)cur->data;
1043                 if (first == -1 || msginfo->msgnum < first)
1044                         first = msginfo->msgnum;
1045                 if (last == -1 || msginfo->msgnum > last)
1046                         last = msginfo->msgnum;
1047                 g_hash_table_insert(hash_table,
1048                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1049         }
1050
1051 /* Newsgroups */
1052         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1053
1054         if (ok != NEWSNNTP_NO_ERROR) {
1055                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1056                 if (ok == NEWSNNTP_ERROR_STREAM) {
1057                         session_destroy(SESSION(session));
1058                         REMOTE_FOLDER(item->folder)->session = NULL;
1059                 }
1060                 news_folder_unlock(NEWS_FOLDER(item->folder));
1061                 return;
1062         }
1063
1064         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1065                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1066                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1067                 if (msginfo) {
1068                         if (msginfo->newsgroups)
1069                                 g_free(msginfo->newsgroups);
1070                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1071                 }
1072         }
1073         newsnntp_xhdr_free(hdrlist);
1074
1075 /* To */
1076         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1077
1078         if (ok != NEWSNNTP_NO_ERROR) {
1079                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1080                 if (ok == NEWSNNTP_ERROR_STREAM) {
1081                         session_destroy(SESSION(session));
1082                         REMOTE_FOLDER(item->folder)->session = NULL;
1083                 }
1084                 news_folder_unlock(NEWS_FOLDER(item->folder));
1085                 return;
1086         }
1087
1088         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1089                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1090                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1091                 if (msginfo) {
1092                         if (msginfo->to)
1093                                 g_free(msginfo->to);
1094                         msginfo->to = g_strdup(hdrval->hdr_value);
1095                 }
1096         }
1097         newsnntp_xhdr_free(hdrlist);
1098
1099 /* Cc */
1100         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1101
1102         if (ok != NEWSNNTP_NO_ERROR) {
1103                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1104                 if (ok == NEWSNNTP_ERROR_STREAM) {
1105                         session_destroy(SESSION(session));
1106                         REMOTE_FOLDER(item->folder)->session = NULL;
1107                 }
1108                 news_folder_unlock(NEWS_FOLDER(item->folder));
1109                 return;
1110         }
1111
1112         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1113                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1114                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1115                 if (msginfo) {
1116                         if (msginfo->cc)
1117                                 g_free(msginfo->cc);
1118                         msginfo->cc = g_strdup(hdrval->hdr_value);
1119                 }
1120         }
1121         newsnntp_xhdr_free(hdrlist);
1122
1123
1124         g_hash_table_destroy(hash_table);
1125         news_folder_unlock(NEWS_FOLDER(item->folder));
1126 }
1127
1128 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1129 {
1130         GSList *newlist = NULL;
1131         GSList *llast = NULL;
1132         MsgInfo *msginfo;
1133         gint ok;
1134         clist *msglist = NULL;
1135         clistiter *cur;
1136         cm_return_val_if_fail(session != NULL, NULL);
1137         cm_return_val_if_fail(item != NULL, NULL);
1138
1139         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1140                     begin, end, item->path);
1141
1142         news_folder_lock(NEWS_FOLDER(item->folder));
1143
1144         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1145
1146         if (ok != NEWSNNTP_NO_ERROR) {
1147                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1148                 if (ok == NEWSNNTP_ERROR_STREAM) {
1149                         session_destroy(SESSION(session));
1150                         REMOTE_FOLDER(item->folder)->session = NULL;
1151                 }
1152                 news_folder_unlock(NEWS_FOLDER(item->folder));
1153                 return NULL;
1154         }
1155
1156         if (msglist) {
1157                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1158                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1159                         msginfo = news_parse_xover(ritem);
1160
1161                         if (!msginfo) {
1162                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1163                                 continue;
1164                         }
1165
1166                         msginfo->folder = item;
1167                         news_set_msg_flags(item, msginfo);
1168                         msginfo->flags.tmp_flags |= MSG_NEWS;
1169
1170                         if (!newlist)
1171                                 llast = newlist = g_slist_append(newlist, msginfo);
1172                         else {
1173                                 llast = g_slist_append(llast, msginfo);
1174                                 llast = llast->next;
1175                         }
1176                 }
1177                 newsnntp_xover_resp_list_free(msglist);
1178         }
1179
1180         news_folder_unlock(NEWS_FOLDER(item->folder));
1181
1182         session_set_access_time(SESSION(session));
1183
1184         news_get_extra_fields(session, item, newlist);
1185
1186         return newlist;
1187 }
1188
1189 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1190 {
1191         GSList *msglist = NULL;
1192         NewsSession *session;
1193         MsgInfo *msginfo = NULL;
1194
1195         session = news_session_get(folder);
1196         cm_return_val_if_fail(session != NULL, NULL);
1197         cm_return_val_if_fail(item != NULL, NULL);
1198         cm_return_val_if_fail(item->folder != NULL, NULL);
1199         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1200
1201         msglist = news_get_msginfos_for_range(session, item, num, num);
1202
1203         if (msglist)
1204                 msginfo = msglist->data;
1205
1206         g_slist_free(msglist);
1207
1208         return msginfo;
1209 }
1210
1211 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1212 {
1213         NewsSession *session;
1214         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1215         guint first, last, next;
1216         guint tofetch, fetched;
1217
1218         cm_return_val_if_fail(folder != NULL, NULL);
1219         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1220         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1221         cm_return_val_if_fail(item != NULL, NULL);
1222
1223         session = news_session_get(folder);
1224         cm_return_val_if_fail(session != NULL, NULL);
1225
1226         tmp_msgnum_list = g_slist_copy(msgnum_list);
1227         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1228
1229         progressindicator_start(PROGRESS_TYPE_NETWORK);
1230         tofetch = g_slist_length(tmp_msgnum_list);
1231         fetched = 0;
1232
1233         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1234         last = first;
1235
1236         news_folder_lock(NEWS_FOLDER(item->folder));
1237
1238         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1239                 next = GPOINTER_TO_INT(elem->data);
1240                 if(next != (last + 1)) {
1241 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1242                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1243 */
1244                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1245                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1246                         fetched = last - first + 1;
1247                         first = next;
1248                 }
1249                 last = next;
1250         }
1251
1252         news_folder_unlock(NEWS_FOLDER(item->folder));
1253
1254 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1255         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1256 */
1257         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1258         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1259
1260         g_slist_free(tmp_msgnum_list);
1261
1262         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1263
1264         return msginfo_list;
1265 }
1266
1267 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1268 {
1269         return TRUE;
1270 }
1271
1272 void news_synchronise(FolderItem *item, gint days)
1273 {
1274         news_gtk_synchronise(item, days);
1275 }
1276
1277 static gint news_rename_folder(Folder *folder, FolderItem *item,
1278                                 const gchar *name)
1279 {
1280         gchar *path;
1281
1282         cm_return_val_if_fail(folder != NULL, -1);
1283         cm_return_val_if_fail(item != NULL, -1);
1284         cm_return_val_if_fail(item->path != NULL, -1);
1285         cm_return_val_if_fail(name != NULL, -1);
1286
1287         path = folder_item_get_path(item);
1288         if (!is_dir_exist(path))
1289                 make_dir_hier(path);
1290
1291         g_free(item->name);
1292         item->name = g_strdup(name);
1293
1294         return 0;
1295 }
1296
1297 static gint news_remove_folder(Folder *folder, FolderItem *item)
1298 {
1299         gchar *path;
1300
1301         cm_return_val_if_fail(folder != NULL, -1);
1302         cm_return_val_if_fail(item != NULL, -1);
1303         cm_return_val_if_fail(item->path != NULL, -1);
1304
1305         path = folder_item_get_path(item);
1306         if (remove_dir_recursive(path) < 0) {
1307                 g_warning("can't remove directory `%s'\n", path);
1308                 g_free(path);
1309                 return -1;
1310         }
1311
1312         g_free(path);
1313         folder_item_remove(item);
1314         return 0;
1315 }
1316
1317 #else
1318 #include <glib.h>
1319 #include <glib/gi18n.h>
1320 #include <gtk/gtk.h>
1321 #include "folder.h"
1322 #include "alertpanel.h"
1323
1324 static FolderClass news_class;
1325
1326 static void warn_etpan(void)
1327 {
1328         static gboolean missing_news_warning = TRUE;
1329         if (missing_news_warning) {
1330                 missing_news_warning = FALSE;
1331                 alertpanel_error(
1332                         _("You have one or more News accounts "
1333                           "defined. However this version of "
1334                           "Claws Mail has been built without "
1335                           "News support; your News account(s) are "
1336                           "disabled.\n\n"
1337                           "You probably need to "
1338                           "install libetpan and recompile "
1339                           "Claws Mail."));
1340         }
1341 }
1342 static Folder *news_folder_new(const gchar *name, const gchar *path)
1343 {
1344         warn_etpan();
1345         return NULL;
1346 }
1347 void news_group_list_free(GSList *group_list)
1348 {
1349         warn_etpan();
1350 }
1351 void news_remove_group_list_cache(Folder *folder)
1352 {
1353         warn_etpan();
1354 }
1355 int news_folder_locked(Folder *folder)
1356 {
1357         warn_etpan();
1358         return 0;
1359 }
1360 gint news_post(Folder *folder, const gchar *file)
1361 {
1362         warn_etpan();
1363         return -1;
1364 }
1365
1366 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1367 {
1368         warn_etpan();
1369         return -1;
1370 }
1371
1372 GSList *news_get_group_list(Folder *folder)
1373 {
1374         warn_etpan();
1375         return NULL;
1376 }
1377
1378
1379 FolderClass *news_get_class(void)
1380 {
1381         if (news_class.idstr == NULL) {
1382                 news_class.type = F_NEWS;
1383                 news_class.idstr = "news";
1384                 news_class.uistr = "News";
1385
1386                 /* Folder functions */
1387                 news_class.new_folder = news_folder_new;
1388         };
1389
1390         return &news_class;
1391 }
1392
1393
1394 #endif