src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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, _("creating NNTP connection to %s:%d ...\n"), server, port);
 296
 297         session = g_new0(NewsSession, 1);
 298         session_init(SESSION(session), folder->account, FALSE);
 299         SESSION(session)->type             = SESSION_NEWS;
 300         SESSION(session)->server           = g_strdup(server);
 301         SESSION(session)->port             = port;
 302         SESSION(session)->sock             = NULL;
 303         SESSION(session)->destroy          = news_session_destroy;
 304
 305         nntp_init(folder);
 306
 307 #ifdef USE_GNUTLS
 308         if (ssl_type != SSL_NONE)
 309                 r = nntp_threaded_connect_ssl(folder, server, port);
 310         else
 311 #endif
 312                 r = nntp_threaded_connect(folder, server, port);
 313
 314         if (r != NEWSNNTP_NO_ERROR) {
 315                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 316                 session_destroy(SESSION(session));
 317                 return NULL;
 318         }
 319
 320         return SESSION(session);
 321 }
 322
 323 static Session *news_session_new_for_folder(Folder *folder)
 324 {
 325         Session *session;
 326         PrefsAccount *ac;
 327         const gchar *userid = NULL;
 328         gchar *passwd = NULL;
 329         gushort port;
 330
 331         cm_return_val_if_fail(folder != NULL, NULL);
 332         cm_return_val_if_fail(folder->account != NULL, NULL);
 333
 334         ac = folder->account;
 335         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 336                 userid = ac->userid;
 337                 if (ac->passwd && ac->passwd[0])
 338                         passwd = g_strdup(ac->passwd);
 339                 else
 340                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 341                                                                   userid,
 342                                                                   &(ac->session_passwd));
 343         }
 344
 345 #ifdef USE_GNUTLS
 346         port = ac->set_nntpport ? ac->nntpport
 347                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 348         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 349                                    ac->ssl_nntp);
 350 #else
 351         if (ac->ssl_nntp != SSL_NONE) {
 352                 if (alertpanel_full(_("Insecure connection"),
 353                         _("This connection is configured to be secured "
 354                           "using SSL, but SSL is not available in this "
 355                           "build of Claws Mail. \n\n"
 356                           "Do you want to continue connecting to this "
 357                           "server? The communication would not be "
 358                           "secure."),
 359                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 360                           NULL, FALSE, NULL, ALERT_WARNING,
 361                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 362                         return NULL;
 363         }
 364         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 365         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 366 #endif
 367
 368         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 369                 if (nntp_threaded_login(folder, userid, passwd) !=
 370                         NEWSNNTP_NO_ERROR) {
 371                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 372                         session_destroy(SESSION(session));
 373                         g_free(passwd);
 374                         if (ac->session_passwd) {
 375                                 g_free(ac->session_passwd);
 376                                 ac->session_passwd = NULL;
 377                         }
 378                         return NULL;
 379                 }
 380         }
 381         g_free(passwd);
 382
 383         return session;
 384 }
 385
 386 static NewsSession *news_session_get(Folder *folder)
 387 {
 388         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 389         struct tm lt;
 390         int r;
 391
 392         cm_return_val_if_fail(folder != NULL, NULL);
 393         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 394         cm_return_val_if_fail(folder->account != NULL, NULL);
 395
 396         if (prefs_common.work_offline &&
 397             !inc_offline_should_override(FALSE,
 398                 _("Claws Mail needs network access in order "
 399                   "to access the News server."))) {
 400                 return NULL;
 401         }
 402
 403         if (!rfolder->session) {
 404                 rfolder->session = news_session_new_for_folder(folder);
 405                 return NEWS_SESSION(rfolder->session);
 406         }
 407
 408         /* Handle port change (also ssl/nossl change) without needing to
 409          * restart application. */
 410         if (rfolder->session->port != folder->account->nntpport) {
 411                 session_destroy(rfolder->session);
 412                 rfolder->session = news_session_new_for_folder(folder);
 413                 goto newsession;
 414         }
 415
 416         if (time(NULL) - rfolder->session->last_access_time <
 417                 SESSION_TIMEOUT_INTERVAL) {
 418                 return NEWS_SESSION(rfolder->session);
 419         }
 420
 421         if ((r = nntp_threaded_date(folder, &lt)) != NEWSNNTP_NO_ERROR) {
 422                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 423                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 424                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 425                               " disconnected. Reconnecting...\n"),
 426                             folder->account->nntp_server,
 427                             folder->account->set_nntpport ?
 428                             folder->account->nntpport : NNTP_PORT);
 429                         session_destroy(rfolder->session);
 430                         rfolder->session = news_session_new_for_folder(folder);
 431                 }
 432         }
 433
 434 newsession:
 435         if (rfolder->session)
 436                 session_set_access_time(rfolder->session);
 437
 438         return NEWS_SESSION(rfolder->session);
 439 }
 440
 441 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 442 {
 443         gchar *path, *filename;
 444
 445         path = folder_item_get_path(item);
 446
 447         if (!is_dir_exist(path)) {
 448                 g_free(path);
 449                 return;
 450         }
 451
 452         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 453         g_free(path);
 454
 455         if (is_file_exist(filename)) {
 456                 claws_unlink(filename);
 457         }
 458         g_free(filename);
 459 }
 460
 461 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 462 {
 463         gchar *path, *filename;
 464         NewsSession *session;
 465         gint ok;
 466
 467         cm_return_val_if_fail(folder != NULL, NULL);
 468         cm_return_val_if_fail(item != NULL, NULL);
 469
 470         path = folder_item_get_path(item);
 471         if (!is_dir_exist(path))
 472                 make_dir_hier(path);
 473         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 474         g_free(path);
 475
 476         if (is_file_exist(filename)) {
 477                 debug_print("article %d has been already cached.\n", num);
 478                 return filename;
 479         }
 480
 481         session = news_session_get(folder);
 482         if (!session) {
 483                 g_free(filename);
 484                 return NULL;
 485         }
 486
 487         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 488         if (ok != NEWSNNTP_NO_ERROR) {
 489                 if (ok == NEWSNNTP_ERROR_STREAM) {
 490                         session_destroy(SESSION(session));
 491                         REMOTE_FOLDER(folder)->session = NULL;
 492                 }
 493                 g_free(filename);
 494                 return NULL;
 495         }
 496
 497         debug_print("getting article %d...\n", num);
 498         ok = news_get_article(folder,
 499                               num, filename);
 500         if (ok != NEWSNNTP_NO_ERROR) {
 501                 g_warning("can't read article %d\n", num);
 502                 if (ok == NEWSNNTP_ERROR_STREAM) {
 503                         session_destroy(SESSION(session));
 504                         REMOTE_FOLDER(folder)->session = NULL;
 505                 }
 506                 g_free(filename);
 507                 return NULL;
 508         }
 509         GTK_EVENTS_FLUSH();
 510         return filename;
 511 }
 512
 513 static NewsGroupInfo *news_group_info_new(const gchar *name,
 514                                           gint first, gint last, gchar type)
 515 {
 516         NewsGroupInfo *ginfo;
 517
 518         ginfo = g_new(NewsGroupInfo, 1);
 519         ginfo->name = g_strdup(name);
 520         ginfo->first = first;
 521         ginfo->last = last;
 522         ginfo->type = type;
 523
 524         return ginfo;
 525 }
 526
 527 static void news_group_info_free(NewsGroupInfo *ginfo)
 528 {
 529         g_free(ginfo->name);
 530         g_free(ginfo);
 531 }
 532
 533 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 534                                     NewsGroupInfo *ginfo2)
 535 {
 536         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 537 }
 538
 539 GSList *news_get_group_list(Folder *folder)
 540 {
 541         gchar *path, *filename;
 542         FILE *fp;
 543         GSList *list = NULL;
 544         GSList *last = NULL;
 545         gchar buf[BUFFSIZE];
 546
 547         cm_return_val_if_fail(folder != NULL, NULL);
 548         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 549
 550         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 551         if (!is_dir_exist(path))
 552                 make_dir_hier(path);
 553         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 554         g_free(path);
 555
 556         if ((fp = g_fopen(filename, "rb")) == NULL) {
 557                 NewsSession *session;
 558                 gint ok;
 559                 clist *grouplist = NULL;
 560                 clistiter *cur;
 561                 fp = g_fopen(filename, "wb");
 562
 563                 if (!fp) {
 564                         g_free(filename);
 565                         return NULL;
 566                 }
 567                 session = news_session_get(folder);
 568                 if (!session) {
 569                         fclose(fp);
 570                         g_free(filename);
 571                         return NULL;
 572                 }
 573
 574                 ok = nntp_threaded_list(folder, &grouplist);
 575
 576                 if (ok != NEWSNNTP_NO_ERROR) {
 577                         if (ok == NEWSNNTP_ERROR_STREAM) {
 578                                 session_destroy(SESSION(session));
 579                                 REMOTE_FOLDER(folder)->session = NULL;
 580                         }
 581                         fclose(fp);
 582                         g_free(filename);
 583                         return NULL;
 584                 }
 585
 586                 if (grouplist) {
 587                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 588                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 589                                                                         clist_content(cur);
 590                                 if (fprintf(fp, "%s %d %d %c\n",
 591                                         info->grp_name,
 592                                         info->grp_last,
 593                                         info->grp_first,
 594                                         info->grp_type) < 0) {
 595                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 596                                         session_destroy(SESSION(session));
 597                                         REMOTE_FOLDER(folder)->session = NULL;
 598                                         fclose(fp);
 599                                         g_free(filename);
 600                                         newsnntp_list_free(grouplist);
 601                                         return NULL;
 602                                 }
 603                         }
 604                         newsnntp_list_free(grouplist);
 605                 }
 606                 if (fclose(fp) == EOF) {
 607                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 608                         session_destroy(SESSION(session));
 609                         REMOTE_FOLDER(folder)->session = NULL;
 610                         g_free(filename);
 611                         return NULL;
 612                 }
 613
 614                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 615                         FILE_OP_ERROR(filename, "fopen");
 616                         g_free(filename);
 617                         return NULL;
 618                 }
 619         }
 620
 621         while (fgets(buf, sizeof(buf), fp) != NULL) {
 622                 gchar *p = buf;
 623                 gchar *name;
 624                 gint last_num;
 625                 gint first_num;
 626                 gchar type;
 627                 NewsGroupInfo *ginfo;
 628
 629                 p = strchr(p, ' ');
 630                 if (!p) continue;
 631                 *p = '\0';
 632                 p++;
 633                 name = buf;
 634
 635                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 636                         continue;
 637
 638                 ginfo = news_group_info_new(name, first_num, last_num, type);
 639
 640                 if (!last)
 641                         last = list = g_slist_append(NULL, ginfo);
 642                 else {
 643                         last = g_slist_append(last, ginfo);
 644                         last = last->next;
 645                 }
 646         }
 647
 648         fclose(fp);
 649         g_free(filename);
 650
 651         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 652
 653         return list;
 654 }
 655
 656 void news_group_list_free(GSList *group_list)
 657 {
 658         GSList *cur;
 659
 660         if (!group_list) return;
 661
 662         for (cur = group_list; cur != NULL; cur = cur->next)
 663                 news_group_info_free((NewsGroupInfo *)cur->data);
 664         g_slist_free(group_list);
 665 }
 666
 667 void news_remove_group_list_cache(Folder *folder)
 668 {
 669         gchar *path, *filename;
 670
 671         cm_return_if_fail(folder != NULL);
 672         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 673
 674         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 675         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 676         g_free(path);
 677
 678         if (is_file_exist(filename)) {
 679                 if (remove(filename) < 0)
 680                         FILE_OP_ERROR(filename, "remove");
 681         }
 682         g_free(filename);
 683 }
 684
 685 gint news_post(Folder *folder, const gchar *file)
 686 {
 687         gint ok;
 688         char *contents = file_read_to_str_no_recode(file);
 689         NewsSession *session;
 690
 691         cm_return_val_if_fail(folder != NULL, -1);
 692         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 693         cm_return_val_if_fail(contents != NULL, -1);
 694
 695         session = news_session_get(folder);
 696         if (!session)  {
 697                 g_free(contents);
 698                 return -1;
 699         }
 700
 701         ok = nntp_threaded_post(folder, contents, strlen(contents));
 702
 703         if (ok != NEWSNNTP_NO_ERROR && ok != NEWSNNTP_ERROR_STREAM) {
 704                 ok = nntp_threaded_mode_reader(folder);
 705                 if (ok == NEWSNNTP_NO_ERROR)
 706                         ok = nntp_threaded_post(folder, contents, strlen(contents));
 707         }
 708         g_free(contents);
 709
 710         if (ok == NEWSNNTP_ERROR_STREAM) {
 711                 session_destroy(SESSION(session));
 712                 REMOTE_FOLDER(folder)->session = NULL;
 713         }
 714
 715         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 716 }
 717
 718 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 719 {
 720         size_t len;
 721         char *result = NULL;
 722         int r;
 723
 724         r = nntp_threaded_article(folder, num, &result, &len);
 725
 726         if (r == NEWSNNTP_NO_ERROR) {
 727                 if (str_write_to_file(result, filename) < 0)
 728                         return -1;
 729                 g_free(result);
 730         }
 731
 732         return r;
 733 }
 734
 735 /**
 736  * news_select_group:
 737  * @session: Active NNTP session.
 738  * @group: Newsgroup name.
 739  * @num: Estimated number of articles.
 740  * @first: First article number.
 741  * @last: Last article number.
 742  *
 743  * Select newsgroup @group with the GROUP command if it is not already
 744  * selected in @session, or article numbers need to be returned.
 745  *
 746  * Return value: NNTP result code.
 747  **/
 748 static gint news_select_group(Folder *folder, const gchar *group,
 749                               gint *num, gint *first, gint *last)
 750 {
 751         gint ok;
 752         gint num_, first_, last_;
 753         struct newsnntp_group_info *info = NULL;
 754         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 755
 756         cm_return_val_if_fail(session != NULL, -1);
 757
 758         if (!num || !first || !last) {
 759                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 760                         return NEWSNNTP_NO_ERROR;
 761                 num = &num_;
 762                 first = &first_;
 763                 last = &last_;
 764         }
 765
 766         g_free(session->group);
 767         session->group = NULL;
 768
 769         ok = nntp_threaded_group(folder, group, &info);
 770
 771         if (ok != NEWSNNTP_NO_ERROR &&
 772             ok != NEWSNNTP_ERROR_STREAM &&
 773             ok != NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 774                 ok = nntp_threaded_mode_reader(folder);
 775                 if (ok == NEWSNNTP_NO_ERROR)
 776                         ok = nntp_threaded_group(folder, group, &info);
 777         }
 778
 779         if (ok == NEWSNNTP_NO_ERROR && info) {
 780                 session->group = g_strdup(group);
 781                 *num = info->grp_first;
 782                 *first = info->grp_first;
 783                 *last = info->grp_last;
 784                 newsnntp_group_free(info);
 785         } else {
 786                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 787         }
 788         return ok;
 789 }
 790
 791 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 792 {
 793         MsgInfo *msginfo;
 794
 795         /* set MsgInfo */
 796         msginfo = procmsg_msginfo_new();
 797         msginfo->msgnum = item->ovr_article;
 798         msginfo->size = item->ovr_size;
 799
 800         msginfo->date = g_strdup(item->ovr_date);
 801         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 802
 803         msginfo->from = conv_unmime_header(item->ovr_author, NULL);
 804         msginfo->fromname = procheader_get_fromname(msginfo->from);
 805
 806         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL);
 807
 808         remove_return(msginfo->from);
 809         remove_return(msginfo->fromname);
 810         remove_return(msginfo->subject);
 811
 812         if (item->ovr_message_id) {
 813                 gchar *tmp = g_strdup(item->ovr_message_id);
 814                 extract_parenthesis(tmp, '<', '>');
 815                 remove_space(tmp);
 816                 if (*tmp != '\0')
 817                         msginfo->msgid = g_strdup(tmp);
 818                 g_free(tmp);
 819         }
 820
 821         /* FIXME: this is a quick fix; references' meaning was changed
 822          * into having the actual list of references in the References: header.
 823          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 824          * their things properly. */
 825         if (item->ovr_references && *(item->ovr_references)) {
 826                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 827                 guint i = 0;
 828                 char *tmp;
 829                 char *p;
 830                 while (ref_tokens[i]) {
 831                         gchar *cur_ref = ref_tokens[i];
 832                         msginfo->references = references_list_append(msginfo->references,
 833                                         cur_ref);
 834                         i++;
 835                 }
 836                 g_strfreev(ref_tokens);
 837
 838                 tmp = g_strdup(item->ovr_references);
 839                 eliminate_parenthesis(tmp, '(', ')');
 840                 if ((p = strrchr(tmp, '<')) != NULL) {
 841                         extract_parenthesis(p, '<', '>');
 842                         remove_space(p);
 843                         if (*p != '\0')
 844                                 msginfo->inreplyto = g_strdup(p);
 845                 }
 846                 g_free(tmp);
 847         }
 848
 849         return msginfo;
 850 }
 851
 852 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 853 {
 854         gchar * tmp;
 855         FILE * tmpfp;
 856         gchar buf[BUFFSIZE];
 857
 858         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 859                               G_DIR_SEPARATOR, msginfo);
 860         if (tmp == NULL)
 861                 return -1;
 862
 863         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 864                 FILE_OP_ERROR(tmp, "fopen");
 865                 return -1;
 866         }
 867         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 868                 FILE_OP_ERROR(tmp, "chmod");
 869                 g_warning("can't change file mode\n");
 870         }
 871
 872         get_rfc822_date(buf, sizeof(buf));
 873         if (fprintf(tmpfp, "From: %s\r\n"
 874                        "Newsgroups: %s\r\n"
 875                        "Subject: cmsg cancel <%s>\r\n"
 876                        "Control: cancel <%s>\r\n"
 877                        "Approved: %s\r\n"
 878                        "X-Cancelled-by: %s\r\n"
 879                        "Date: %s\r\n"
 880                        "\r\n"
 881                        "removed with Claws Mail\r\n",
 882                        msginfo->from,
 883                        msginfo->newsgroups,
 884                        msginfo->msgid,
 885                        msginfo->msgid,
 886                        msginfo->from,
 887                        msginfo->from,
 888                        buf) < 0) {
 889                 FILE_OP_ERROR(tmp, "fprintf");
 890                 fclose(tmpfp);
 891                 claws_unlink(tmp);
 892                 g_free(tmp);
 893                 return -1;
 894         }
 895
 896         if (fclose(tmpfp) == EOF) {
 897                 FILE_OP_ERROR(tmp, "fclose");
 898                 claws_unlink(tmp);
 899                 g_free(tmp);
 900                 return -1;
 901         }
 902
 903         news_post(folder, tmp);
 904         remove(tmp);
 905
 906         g_free(tmp);
 907
 908         return 0;
 909 }
 910
 911 static gchar *news_folder_get_path(Folder *folder)
 912 {
 913         gchar *folder_path;
 914
 915         cm_return_val_if_fail(folder->account != NULL, NULL);
 916
 917         folder_path = g_strconcat(get_news_cache_dir(),
 918                                   G_DIR_SEPARATOR_S,
 919                                   folder->account->nntp_server,
 920                                   NULL);
 921         return folder_path;
 922 }
 923
 924 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 925 {
 926         gchar *folder_path, *path;
 927
 928         cm_return_val_if_fail(folder != NULL, NULL);
 929         cm_return_val_if_fail(item != NULL, NULL);
 930         folder_path = news_folder_get_path(folder);
 931
 932         cm_return_val_if_fail(folder_path != NULL, NULL);
 933         if (g_path_is_absolute(folder_path)) {
 934                 if (item->path)
 935                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 936                                            item->path, NULL);
 937                 else
 938                         path = g_strdup(folder_path);
 939         } else {
 940                 if (item->path)
 941                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 942                                            folder_path, G_DIR_SEPARATOR_S,
 943                                            item->path, NULL);
 944                 else
 945                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 946                                            folder_path, NULL);
 947         }
 948         g_free(folder_path);
 949 #ifdef G_OS_WIN32
 950         while (strchr(path, '/'))
 951                 *strchr(path, '/') = '\\';
 952 #endif
 953         return path;
 954 }
 955
 956 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 957 {
 958         NewsSession *session;
 959         gint i, ok, num, first, last, nummsgs = 0;
 960         gchar *dir;
 961
 962         cm_return_val_if_fail(item != NULL, -1);
 963         cm_return_val_if_fail(item->folder != NULL, -1);
 964         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 965
 966         session = news_session_get(folder);
 967         cm_return_val_if_fail(session != NULL, -1);
 968
 969         *old_uids_valid = TRUE;
 970
 971         news_folder_lock(NEWS_FOLDER(item->folder));
 972
 973         ok = news_select_group(folder, item->path, &num, &first, &last);
 974         if (ok != NEWSNNTP_NO_ERROR) {
 975                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
 976                 news_folder_unlock(NEWS_FOLDER(item->folder));
 977                 return -1;
 978         }
 979
 980         dir = news_folder_get_path(folder);
 981         if (num <= 0)
 982                 remove_all_numbered_files(dir);
 983         else if (last < first)
 984                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
 985                             first, last);
 986         else {
 987                 for (i = first; i <= last; i++) {
 988                         *msgnum_list = g_slist_prepend(*msgnum_list,
 989                                                        GINT_TO_POINTER(i));
 990                         nummsgs++;
 991                 }
 992                 debug_print("removing old messages from %d to %d in %s\n",
 993                             first, last, dir);
 994                 remove_numbered_files(dir, 1, first - 1);
 995         }
 996         g_free(dir);
 997         news_folder_unlock(NEWS_FOLDER(item->folder));
 998         return nummsgs;
 999 }
1000
1001 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1002 {
1003         msginfo->flags.tmp_flags = 0;
1004         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1005                 if (item->folder->newsart &&
1006                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1007                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1008
1009                 } else {
1010                         if (!item->folder->newsart)
1011                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1012                         g_hash_table_insert(item->folder->newsart,
1013                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1014                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1015                 }
1016         } else {
1017                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1018         }
1019 }
1020
1021 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1022 {
1023         MsgInfo *msginfo = NULL;
1024         gint ok;
1025         GSList *cur;
1026         clist *hdrlist = NULL;
1027         clistiter *hdr;
1028         gint first = -1, last = -1;
1029         GHashTable *hash_table;
1030
1031         cm_return_if_fail(session != NULL);
1032         cm_return_if_fail(item != NULL);
1033         cm_return_if_fail(item->folder != NULL);
1034         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1035
1036         news_folder_lock(NEWS_FOLDER(item->folder));
1037
1038         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1039
1040         for (cur = msglist; cur; cur = cur->next) {
1041                 msginfo = (MsgInfo *)cur->data;
1042                 if (first == -1 || msginfo->msgnum < first)
1043                         first = msginfo->msgnum;
1044                 if (last == -1 || msginfo->msgnum > last)
1045                         last = msginfo->msgnum;
1046                 g_hash_table_insert(hash_table,
1047                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1048         }
1049
1050 /* Newsgroups */
1051         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1052
1053         if (ok != NEWSNNTP_NO_ERROR) {
1054                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1055                 if (ok == NEWSNNTP_ERROR_STREAM) {
1056                         session_destroy(SESSION(session));
1057                         REMOTE_FOLDER(item->folder)->session = NULL;
1058                 }
1059                 news_folder_unlock(NEWS_FOLDER(item->folder));
1060                 return;
1061         }
1062
1063         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1064                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1065                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1066                 if (msginfo) {
1067                         if (msginfo->newsgroups)
1068                                 g_free(msginfo->newsgroups);
1069                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1070                 }
1071         }
1072         newsnntp_xhdr_free(hdrlist);
1073
1074 /* To */
1075         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1076
1077         if (ok != NEWSNNTP_NO_ERROR) {
1078                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1079                 if (ok == NEWSNNTP_ERROR_STREAM) {
1080                         session_destroy(SESSION(session));
1081                         REMOTE_FOLDER(item->folder)->session = NULL;
1082                 }
1083                 news_folder_unlock(NEWS_FOLDER(item->folder));
1084                 return;
1085         }
1086
1087         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1088                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1089                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1090                 if (msginfo) {
1091                         if (msginfo->to)
1092                                 g_free(msginfo->to);
1093                         msginfo->to = g_strdup(hdrval->hdr_value);
1094                 }
1095         }
1096         newsnntp_xhdr_free(hdrlist);
1097
1098 /* Cc */
1099         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1100
1101         if (ok != NEWSNNTP_NO_ERROR) {
1102                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1103                 if (ok == NEWSNNTP_ERROR_STREAM) {
1104                         session_destroy(SESSION(session));
1105                         REMOTE_FOLDER(item->folder)->session = NULL;
1106                 }
1107                 news_folder_unlock(NEWS_FOLDER(item->folder));
1108                 return;
1109         }
1110
1111         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1112                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1113                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1114                 if (msginfo) {
1115                         if (msginfo->cc)
1116                                 g_free(msginfo->cc);
1117                         msginfo->cc = g_strdup(hdrval->hdr_value);
1118                 }
1119         }
1120         newsnntp_xhdr_free(hdrlist);
1121
1122
1123         g_hash_table_destroy(hash_table);
1124         news_folder_unlock(NEWS_FOLDER(item->folder));
1125 }
1126
1127 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1128 {
1129         GSList *newlist = NULL;
1130         GSList *llast = NULL;
1131         MsgInfo *msginfo;
1132         gint ok;
1133         clist *msglist = NULL;
1134         clistiter *cur;
1135         cm_return_val_if_fail(session != NULL, NULL);
1136         cm_return_val_if_fail(item != NULL, NULL);
1137
1138         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1139                     begin, end, item->path);
1140
1141         news_folder_lock(NEWS_FOLDER(item->folder));
1142
1143         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1144
1145         if (ok != NEWSNNTP_NO_ERROR) {
1146                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1147                 if (ok == NEWSNNTP_ERROR_STREAM) {
1148                         session_destroy(SESSION(session));
1149                         REMOTE_FOLDER(item->folder)->session = NULL;
1150                 }
1151                 news_folder_unlock(NEWS_FOLDER(item->folder));
1152                 return NULL;
1153         }
1154
1155         if (msglist) {
1156                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1157                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1158                         msginfo = news_parse_xover(ritem);
1159
1160                         if (!msginfo) {
1161                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1162                                 continue;
1163                         }
1164
1165                         msginfo->folder = item;
1166                         news_set_msg_flags(item, msginfo);
1167                         msginfo->flags.tmp_flags |= MSG_NEWS;
1168
1169                         if (!newlist)
1170                                 llast = newlist = g_slist_append(newlist, msginfo);
1171                         else {
1172                                 llast = g_slist_append(llast, msginfo);
1173                                 llast = llast->next;
1174                         }
1175                 }
1176                 newsnntp_xover_resp_list_free(msglist);
1177         }
1178
1179         news_folder_unlock(NEWS_FOLDER(item->folder));
1180
1181         session_set_access_time(SESSION(session));
1182
1183         news_get_extra_fields(session, item, newlist);
1184
1185         return newlist;
1186 }
1187
1188 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1189 {
1190         GSList *msglist = NULL;
1191         NewsSession *session;
1192         MsgInfo *msginfo = NULL;
1193
1194         session = news_session_get(folder);
1195         cm_return_val_if_fail(session != NULL, NULL);
1196         cm_return_val_if_fail(item != NULL, NULL);
1197         cm_return_val_if_fail(item->folder != NULL, NULL);
1198         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1199
1200         msglist = news_get_msginfos_for_range(session, item, num, num);
1201
1202         if (msglist)
1203                 msginfo = msglist->data;
1204
1205         g_slist_free(msglist);
1206
1207         return msginfo;
1208 }
1209
1210 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1211 {
1212         NewsSession *session;
1213         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1214         guint first, last, next;
1215         guint tofetch, fetched;
1216
1217         cm_return_val_if_fail(folder != NULL, NULL);
1218         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1219         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1220         cm_return_val_if_fail(item != NULL, NULL);
1221
1222         session = news_session_get(folder);
1223         cm_return_val_if_fail(session != NULL, NULL);
1224
1225         tmp_msgnum_list = g_slist_copy(msgnum_list);
1226         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1227
1228         progressindicator_start(PROGRESS_TYPE_NETWORK);
1229         tofetch = g_slist_length(tmp_msgnum_list);
1230         fetched = 0;
1231
1232         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1233         last = first;
1234
1235         news_folder_lock(NEWS_FOLDER(item->folder));
1236
1237         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1238                 next = GPOINTER_TO_INT(elem->data);
1239                 if(next != (last + 1)) {
1240 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1241                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1242 */
1243                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1244                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1245                         fetched = last - first + 1;
1246                         first = next;
1247                 }
1248                 last = next;
1249         }
1250
1251         news_folder_unlock(NEWS_FOLDER(item->folder));
1252
1253 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1254         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1255 */
1256         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1257         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1258
1259         g_slist_free(tmp_msgnum_list);
1260
1261         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1262
1263         return msginfo_list;
1264 }
1265
1266 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1267 {
1268         return TRUE;
1269 }
1270
1271 void news_synchronise(FolderItem *item, gint days)
1272 {
1273         news_gtk_synchronise(item, days);
1274 }
1275
1276 static gint news_rename_folder(Folder *folder, FolderItem *item,
1277                                 const gchar *name)
1278 {
1279         gchar *path;
1280
1281         cm_return_val_if_fail(folder != NULL, -1);
1282         cm_return_val_if_fail(item != NULL, -1);
1283         cm_return_val_if_fail(item->path != NULL, -1);
1284         cm_return_val_if_fail(name != NULL, -1);
1285
1286         path = folder_item_get_path(item);
1287         if (!is_dir_exist(path))
1288                 make_dir_hier(path);
1289
1290         g_free(item->name);
1291         item->name = g_strdup(name);
1292
1293         return 0;
1294 }
1295
1296 static gint news_remove_folder(Folder *folder, FolderItem *item)
1297 {
1298         gchar *path;
1299
1300         cm_return_val_if_fail(folder != NULL, -1);
1301         cm_return_val_if_fail(item != NULL, -1);
1302         cm_return_val_if_fail(item->path != NULL, -1);
1303
1304         path = folder_item_get_path(item);
1305         if (remove_dir_recursive(path) < 0) {
1306                 g_warning("can't remove directory `%s'\n", path);
1307                 g_free(path);
1308                 return -1;
1309         }
1310
1311         g_free(path);
1312         folder_item_remove(item);
1313         return 0;
1314 }
1315
1316 #else
1317 #include <glib.h>
1318 #include <glib/gi18n.h>
1319 #include <gtk/gtk.h>
1320 #include "folder.h"
1321 #include "alertpanel.h"
1322
1323 static FolderClass news_class;
1324
1325 static void warn_etpan(void)
1326 {
1327         static gboolean missing_news_warning = TRUE;
1328         if (missing_news_warning) {
1329                 missing_news_warning = FALSE;
1330                 alertpanel_error(
1331                         _("You have one or more News accounts "
1332                           "defined. However this version of "
1333                           "Claws Mail has been built without "
1334                           "News support; your News account(s) are "
1335                           "disabled.\n\n"
1336                           "You probably need to "
1337                           "install libetpan and recompile "
1338                           "Claws Mail."));
1339         }
1340 }
1341 static Folder *news_folder_new(const gchar *name, const gchar *path)
1342 {
1343         warn_etpan();
1344         return NULL;
1345 }
1346 void news_group_list_free(GSList *group_list)
1347 {
1348         warn_etpan();
1349 }
1350 void news_remove_group_list_cache(Folder *folder)
1351 {
1352         warn_etpan();
1353 }
1354 int news_folder_locked(Folder *folder)
1355 {
1356         warn_etpan();
1357         return 0;
1358 }
1359 gint news_post(Folder *folder, const gchar *file)
1360 {
1361         warn_etpan();
1362         return -1;
1363 }
1364
1365 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1366 {
1367         warn_etpan();
1368         return -1;
1369 }
1370
1371 GSList *news_get_group_list(Folder *folder)
1372 {
1373         warn_etpan();
1374         return NULL;
1375 }
1376
1377
1378 FolderClass *news_get_class(void)
1379 {
1380         if (news_class.idstr == NULL) {
1381                 news_class.type = F_NEWS;
1382                 news_class.idstr = "news";
1383                 news_class.uistr = "News";
1384
1385                 /* Folder functions */
1386                 news_class.new_folder = news_folder_new;
1387         };
1388
1389         return &news_class;
1390 }
1391
1392
1393 #endif