src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  23 #endif
  24
  25 #ifdef HAVE_LIBETPAN
  26
  27 #include "defs.h"
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34 #include <dirent.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <libetpan/libetpan.h>
  38
  39 #include "nntp-thread.h"
  40 #include "news.h"
  41 #include "news_gtk.h"
  42 #include "socket.h"
  43 #include "recv.h"
  44 #include "procmsg.h"
  45 #include "procheader.h"
  46 #include "folder.h"
  47 #include "session.h"
  48 #include "statusbar.h"
  49 #include "codeconv.h"
  50 #include "utils.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "inputdialog.h"
  54 #include "log.h"
  55 #include "progressindicator.h"
  56 #include "remotefolder.h"
  57 #include "alertpanel.h"
  58 #include "inc.h"
  59 #ifdef USE_GNUTLS
  60 #  include "ssl.h"
  61 #endif
  62
  63 #define NNTP_PORT       119
  64 #ifdef USE_GNUTLS
  65 #define NNTPS_PORT      563
  66 #endif
  67
  68 typedef struct _NewsFolder      NewsFolder;
  69 typedef struct _NewsSession     NewsSession;
  70
  71 #define NEWS_FOLDER(obj)        ((NewsFolder *)obj)
  72 #define NEWS_SESSION(obj)       ((NewsSession *)obj)
  73
  74 struct _NewsFolder
  75 {
  76         RemoteFolder rfolder;
  77
  78         gboolean use_auth;
  79         gboolean lock_count;
  80         guint refcnt;
  81 };
  82
  83 struct _NewsSession
  84 {
  85         Session session;
  86
  87         gchar *group;
  88 };
  89
  90 static void news_folder_init(Folder *folder, const gchar *name,
  91                              const gchar *path);
  92
  93 static Folder   *news_folder_new        (const gchar    *name,
  94                                          const gchar    *folder);
  95 static void      news_folder_destroy    (Folder         *folder);
  96
  97 static gchar *news_fetch_msg            (Folder         *folder,
  98                                          FolderItem     *item,
  99                                          gint            num);
 100 static void news_remove_cached_msg      (Folder         *folder,
 101                                          FolderItem     *item,
 102                                          MsgInfo        *msginfo);
 103 #ifdef USE_GNUTLS
 104 static Session *news_session_new         (Folder        *folder,
 105                                           const gchar   *server,
 106                                           gushort        port,
 107                                           const gchar   *userid,
 108                                           const gchar   *passwd,
 109                                           SSLType        ssl_type);
 110 #else
 111 static Session *news_session_new         (Folder        *folder,
 112                                           const gchar   *server,
 113                                           gushort        port,
 114                                           const gchar   *userid,
 115                                           const gchar   *passwd);
 116 #endif
 117
 118 static gint news_get_article             (Folder        *folder,
 119                                           gint           num,
 120                                           gchar         *filename);
 121
 122 static gint news_select_group            (Folder        *folder,
 123                                           const gchar   *group,
 124                                           gint          *num,
 125                                           gint          *first,
 126                                           gint          *last);
 127 static MsgInfo *news_parse_xover         (struct newsnntp_xover_resp_item *item);
 128 static gint news_get_num_list                    (Folder        *folder,
 129                                           FolderItem    *item,
 130                                           GSList       **list,
 131                                           gboolean      *old_uids_valid);
 132 static MsgInfo *news_get_msginfo                 (Folder        *folder,
 133                                           FolderItem    *item,
 134                                           gint           num);
 135 static GSList *news_get_msginfos                 (Folder        *folder,
 136                                           FolderItem    *item,
 137                                           GSList        *msgnum_list);
 138 static gboolean news_scan_required               (Folder        *folder,
 139                                           FolderItem    *item);
 140
 141 static gchar *news_folder_get_path       (Folder        *folder);
 142 static gchar *news_item_get_path                 (Folder        *folder,
 143                                           FolderItem    *item);
 144 static void news_synchronise             (FolderItem    *item, gint days);
 145 static int news_remove_msg               (Folder        *folder,
 146                                           FolderItem    *item,
 147                                           gint           msgnum);
 148 static gint news_rename_folder           (Folder *folder,
 149                                           FolderItem *item,
 150                                           const gchar *name);
 151 static gint news_remove_folder           (Folder        *folder,
 152                                           FolderItem    *item);
 153 static FolderClass news_class;
 154
 155 FolderClass *news_get_class(void)
 156 {
 157         if (news_class.idstr == NULL) {
 158                 news_class.type = F_NEWS;
 159                 news_class.idstr = "news";
 160                 news_class.uistr = "News";
 161                 news_class.supports_server_search = FALSE;
 162
 163                 /* Folder functions */
 164                 news_class.new_folder = news_folder_new;
 165                 news_class.destroy_folder = news_folder_destroy;
 166
 167                 /* FolderItem functions */
 168                 news_class.item_get_path = news_item_get_path;
 169                 news_class.get_num_list = news_get_num_list;
 170                 news_class.scan_required = news_scan_required;
 171                 news_class.rename_folder = news_rename_folder;
 172                 news_class.remove_folder = news_remove_folder;
 173
 174                 /* Message functions */
 175                 news_class.get_msginfo = news_get_msginfo;
 176                 news_class.get_msginfos = news_get_msginfos;
 177                 news_class.fetch_msg = news_fetch_msg;
 178                 news_class.synchronise = news_synchronise;
 179                 news_class.search_msgs = folder_item_search_msgs_local;
 180                 news_class.remove_msg = news_remove_msg;
 181                 news_class.remove_cached_msg = news_remove_cached_msg;
 182         };
 183
 184         return &news_class;
 185 }
 186
 187 guint nntp_folder_get_refcnt(Folder *folder)
 188 {
 189         return ((NewsFolder *)folder)->refcnt;
 190 }
 191
 192 void nntp_folder_ref(Folder *folder)
 193 {
 194         ((NewsFolder *)folder)->refcnt++;
 195 }
 196
 197 void nntp_folder_unref(Folder *folder)
 198 {
 199         if (((NewsFolder *)folder)->refcnt > 0)
 200                 ((NewsFolder *)folder)->refcnt--;
 201 }
 202
 203 static int news_remove_msg               (Folder        *folder,
 204                                           FolderItem    *item,
 205                                           gint           msgnum)
 206 {
 207         gchar *path, *filename;
 208
 209         cm_return_val_if_fail(folder != NULL, -1);
 210         cm_return_val_if_fail(item != NULL, -1);
 211
 212         path = folder_item_get_path(item);
 213         if (!is_dir_exist(path))
 214                 make_dir_hier(path);
 215
 216         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
 217         g_free(path);
 218         claws_unlink(filename);
 219         g_free(filename);
 220         return 0;
 221 }
 222
 223 static void news_folder_lock(NewsFolder *folder)
 224 {
 225         folder->lock_count++;
 226 }
 227
 228 static void news_folder_unlock(NewsFolder *folder)
 229 {
 230         if (folder->lock_count > 0)
 231                 folder->lock_count--;
 232 }
 233
 234 int news_folder_locked(Folder *folder)
 235 {
 236         if (folder == NULL)
 237                 return 0;
 238
 239         return NEWS_FOLDER(folder)->lock_count;
 240 }
 241
 242 static Folder *news_folder_new(const gchar *name, const gchar *path)
 243 {
 244         Folder *folder;
 245
 246         folder = (Folder *)g_new0(NewsFolder, 1);
 247         folder->klass = &news_class;
 248         news_folder_init(folder, name, path);
 249
 250         return folder;
 251 }
 252
 253 static void news_folder_destroy(Folder *folder)
 254 {
 255         gchar *dir;
 256
 257         while (nntp_folder_get_refcnt(folder) > 0)
 258                 gtk_main_iteration();
 259
 260         dir = news_folder_get_path(folder);
 261         if (is_dir_exist(dir))
 262                 remove_dir_recursive(dir);
 263         g_free(dir);
 264
 265         nntp_done(folder);
 266         folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 267 }
 268
 269 static void news_folder_init(Folder *folder, const gchar *name,
 270                              const gchar *path)
 271 {
 272         folder_remote_folder_init(folder, name, path);
 273 }
 274
 275 static void news_session_destroy(Session *session)
 276 {
 277         NewsSession *news_session = NEWS_SESSION(session);
 278
 279         cm_return_if_fail(session != NULL);
 280
 281         if (news_session->group)
 282                 g_free(news_session->group);
 283 }
 284
 285 #ifdef USE_GNUTLS
 286 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 287                                  const gchar *userid, const gchar *passwd,
 288                                  SSLType ssl_type)
 289 #else
 290 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 291                                  const gchar *userid, const gchar *passwd)
 292 #endif
 293 {
 294         NewsSession *session;
 295         int r = 0;
 296         cm_return_val_if_fail(server != NULL, NULL);
 297
 298         log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s:%d...\n"),
 299                                     folder->account->account_name, server, port);
 300
 301         session = g_new0(NewsSession, 1);
 302         session_init(SESSION(session), folder->account, FALSE);
 303         SESSION(session)->type             = SESSION_NEWS;
 304         SESSION(session)->server           = g_strdup(server);
 305         SESSION(session)->port             = port;
 306         SESSION(session)->sock             = NULL;
 307         SESSION(session)->destroy          = news_session_destroy;
 308
 309         nntp_init(folder);
 310
 311 #ifdef USE_GNUTLS
 312         if (ssl_type != SSL_NONE)
 313                 r = nntp_threaded_connect_ssl(folder, server, port);
 314         else
 315 #endif
 316                 r = nntp_threaded_connect(folder, server, port);
 317
 318         if (r != NEWSNNTP_NO_ERROR) {
 319                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 320                 session_destroy(SESSION(session));
 321                 return NULL;
 322         }
 323
 324         return SESSION(session);
 325 }
 326
 327 static Session *news_session_new_for_folder(Folder *folder)
 328 {
 329         Session *session;
 330         PrefsAccount *ac;
 331         const gchar *userid = NULL;
 332         gchar *passwd = NULL;
 333         gushort port;
 334         int r;
 335
 336         cm_return_val_if_fail(folder != NULL, NULL);
 337         cm_return_val_if_fail(folder->account != NULL, NULL);
 338
 339         ac = folder->account;
 340         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 341                 userid = ac->userid;
 342                 if (ac->passwd && ac->passwd[0])
 343                         passwd = g_strdup(ac->passwd);
 344                 else
 345                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 346                                                                   userid,
 347                                                                   &(ac->session_passwd));
 348         }
 349
 350 #ifdef USE_GNUTLS
 351         port = ac->set_nntpport ? ac->nntpport
 352                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 353         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 354                                    ac->ssl_nntp);
 355 #else
 356         if (ac->ssl_nntp != SSL_NONE) {
 357                 if (alertpanel_full(_("Insecure connection"),
 358                         _("This connection is configured to be secured "
 359                           "using SSL, but SSL is not available in this "
 360                           "build of Claws Mail. \n\n"
 361                           "Do you want to continue connecting to this "
 362                           "server? The communication would not be "
 363                           "secure."),
 364                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 365                           NULL, FALSE, NULL, ALERT_WARNING,
 366                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 367                         return NULL;
 368         }
 369         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 370         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 371 #endif
 372
 373         if (session != NULL)
 374                 r = nntp_threaded_mode_reader(folder);
 375         else
 376                 r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
 377
 378         if (r != NEWSNNTP_NO_ERROR) {
 379             if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 380                 /*
 381                    FIX ME when libetpan implements 480 to indicate authorization
 382                    is required to use this capability. Libetpan treats a 480 as a
 383                    381 which is clearly wrong.
 384                    RFC 4643 section 2.
 385                    Response code 480
 386                    Generic response
 387                    Meaning: command unavailable until the client
 388                    has authenticated itself.
 389                 */
 390                 /* if the server does not advertise the capability MODE-READER,
 391                    we normally should not send MODE READER. However this can't
 392                    hurt: a transit-only server returns 502 and closes the cnx.
 393                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 394                 */
 395                 log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
 396                 "so for now we choose to continue\n"));
 397             }
 398             else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
 399                 /* if the server does not advertise the capability MODE-READER,
 400                    we normally should not send MODE READER. However this can't
 401                    hurt: a transit-only server returns 502 and closes the cnx.
 402                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 403                 */
 404                 log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
 405             }
 406             else {
 407                 /* An error state bail out */
 408                 log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
 409                 session_destroy(SESSION(session));
 410                 g_free(passwd);
 411                 if (ac->session_passwd) {
 412                         g_free(ac->session_passwd);
 413                         ac->session_passwd = NULL;
 414                 }
 415                 return NULL;
 416             }
 417         }
 418
 419         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 420                 if (nntp_threaded_login(folder, userid, passwd) !=
 421                         NEWSNNTP_NO_ERROR) {
 422                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 423                         session_destroy(SESSION(session));
 424                         g_free(passwd);
 425                         if (ac->session_passwd) {
 426                                 g_free(ac->session_passwd);
 427                                 ac->session_passwd = NULL;
 428                         }
 429                         return NULL;
 430                 }
 431         }
 432         g_free(passwd);
 433
 434         return session;
 435 }
 436
 437 static NewsSession *news_session_get(Folder *folder)
 438 {
 439         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 440         struct tm lt;
 441         int r;
 442
 443         cm_return_val_if_fail(folder != NULL, NULL);
 444         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 445         cm_return_val_if_fail(folder->account != NULL, NULL);
 446
 447         if (prefs_common.work_offline &&
 448             !inc_offline_should_override(FALSE,
 449                 _("Claws Mail needs network access in order "
 450                   "to access the News server."))) {
 451                 return NULL;
 452         }
 453
 454         if (!rfolder->session) {
 455                 rfolder->session = news_session_new_for_folder(folder);
 456                 return NEWS_SESSION(rfolder->session);
 457         }
 458
 459         /* Handle port change (also ssl/nossl change) without needing to
 460          * restart application. */
 461         if (rfolder->session->port != folder->account->nntpport) {
 462                 session_destroy(rfolder->session);
 463                 rfolder->session = news_session_new_for_folder(folder);
 464                 goto newsession;
 465         }
 466
 467         if (time(NULL) - rfolder->session->last_access_time <
 468                 SESSION_TIMEOUT_INTERVAL) {
 469                 return NEWS_SESSION(rfolder->session);
 470         }
 471
 472         if ((r = nntp_threaded_date(folder, &lt)) != NEWSNNTP_NO_ERROR) {
 473                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 474                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 475                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 476                               " disconnected. Reconnecting...\n"),
 477                             folder->account->nntp_server,
 478                             folder->account->set_nntpport ?
 479                             folder->account->nntpport : NNTP_PORT);
 480                         session_destroy(rfolder->session);
 481                         rfolder->session = news_session_new_for_folder(folder);
 482                 }
 483         }
 484
 485 newsession:
 486         if (rfolder->session)
 487                 session_set_access_time(rfolder->session);
 488
 489         return NEWS_SESSION(rfolder->session);
 490 }
 491
 492 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 493 {
 494         gchar *path, *filename;
 495
 496         path = folder_item_get_path(item);
 497
 498         if (!is_dir_exist(path)) {
 499                 g_free(path);
 500                 return;
 501         }
 502
 503         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 504         g_free(path);
 505
 506         if (is_file_exist(filename)) {
 507                 claws_unlink(filename);
 508         }
 509         g_free(filename);
 510 }
 511
 512 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 513 {
 514         gchar *path, *filename;
 515         NewsSession *session;
 516         gint ok;
 517
 518         cm_return_val_if_fail(folder != NULL, NULL);
 519         cm_return_val_if_fail(item != NULL, NULL);
 520
 521         path = folder_item_get_path(item);
 522         if (!is_dir_exist(path))
 523                 make_dir_hier(path);
 524         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 525         g_free(path);
 526
 527         if (is_file_exist(filename)) {
 528                 debug_print("article %d has been already cached.\n", num);
 529                 return filename;
 530         }
 531
 532         session = news_session_get(folder);
 533         if (!session) {
 534                 g_free(filename);
 535                 return NULL;
 536         }
 537
 538         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 539         if (ok != NEWSNNTP_NO_ERROR) {
 540                 if (ok == NEWSNNTP_ERROR_STREAM) {
 541                         session_destroy(SESSION(session));
 542                         REMOTE_FOLDER(folder)->session = NULL;
 543                 }
 544                 g_free(filename);
 545                 return NULL;
 546         }
 547
 548         debug_print("getting article %d...\n", num);
 549         ok = news_get_article(folder,
 550                               num, filename);
 551         if (ok != NEWSNNTP_NO_ERROR) {
 552                 g_warning("can't read article %d\n", num);
 553                 if (ok == NEWSNNTP_ERROR_STREAM) {
 554                         session_destroy(SESSION(session));
 555                         REMOTE_FOLDER(folder)->session = NULL;
 556                 }
 557                 g_free(filename);
 558                 return NULL;
 559         }
 560         GTK_EVENTS_FLUSH();
 561         return filename;
 562 }
 563
 564 static NewsGroupInfo *news_group_info_new(const gchar *name,
 565                                           gint first, gint last, gchar type)
 566 {
 567         NewsGroupInfo *ginfo;
 568
 569         ginfo = g_new(NewsGroupInfo, 1);
 570         ginfo->name = g_strdup(name);
 571         ginfo->first = first;
 572         ginfo->last = last;
 573         ginfo->type = type;
 574
 575         return ginfo;
 576 }
 577
 578 static void news_group_info_free(NewsGroupInfo *ginfo)
 579 {
 580         g_free(ginfo->name);
 581         g_free(ginfo);
 582 }
 583
 584 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 585                                     NewsGroupInfo *ginfo2)
 586 {
 587         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 588 }
 589
 590 GSList *news_get_group_list(Folder *folder)
 591 {
 592         gchar *path, *filename;
 593         FILE *fp;
 594         GSList *list = NULL;
 595         GSList *last = NULL;
 596         gchar buf[BUFFSIZE];
 597
 598         cm_return_val_if_fail(folder != NULL, NULL);
 599         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 600
 601         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 602         if (!is_dir_exist(path))
 603                 make_dir_hier(path);
 604         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 605         g_free(path);
 606
 607         if ((fp = g_fopen(filename, "rb")) == NULL) {
 608                 NewsSession *session;
 609                 gint ok;
 610                 clist *grouplist = NULL;
 611                 clistiter *cur;
 612                 fp = g_fopen(filename, "wb");
 613
 614                 if (!fp) {
 615                         g_free(filename);
 616                         return NULL;
 617                 }
 618                 session = news_session_get(folder);
 619                 if (!session) {
 620                         fclose(fp);
 621                         g_free(filename);
 622                         return NULL;
 623                 }
 624
 625                 ok = nntp_threaded_list(folder, &grouplist);
 626
 627                 if (ok != NEWSNNTP_NO_ERROR) {
 628                         if (ok == NEWSNNTP_ERROR_STREAM) {
 629                                 session_destroy(SESSION(session));
 630                                 REMOTE_FOLDER(folder)->session = NULL;
 631                         }
 632                         fclose(fp);
 633                         g_free(filename);
 634                         return NULL;
 635                 }
 636
 637                 if (grouplist) {
 638                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 639                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 640                                                                         clist_content(cur);
 641                                 if (fprintf(fp, "%s %d %d %c\n",
 642                                         info->grp_name,
 643                                         info->grp_last,
 644                                         info->grp_first,
 645                                         info->grp_type) < 0) {
 646                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 647                                         session_destroy(SESSION(session));
 648                                         REMOTE_FOLDER(folder)->session = NULL;
 649                                         fclose(fp);
 650                                         g_free(filename);
 651                                         newsnntp_list_free(grouplist);
 652                                         return NULL;
 653                                 }
 654                         }
 655                         newsnntp_list_free(grouplist);
 656                 }
 657                 if (fclose(fp) == EOF) {
 658                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 659                         session_destroy(SESSION(session));
 660                         REMOTE_FOLDER(folder)->session = NULL;
 661                         g_free(filename);
 662                         return NULL;
 663                 }
 664
 665                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 666                         FILE_OP_ERROR(filename, "fopen");
 667                         g_free(filename);
 668                         return NULL;
 669                 }
 670         }
 671
 672         while (fgets(buf, sizeof(buf), fp) != NULL) {
 673                 gchar *p = buf;
 674                 gchar *name;
 675                 gint last_num;
 676                 gint first_num;
 677                 gchar type;
 678                 NewsGroupInfo *ginfo;
 679
 680                 p = strchr(p, ' ');
 681                 if (!p) continue;
 682                 *p = '\0';
 683                 p++;
 684                 name = buf;
 685
 686                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 687                         continue;
 688
 689                 ginfo = news_group_info_new(name, first_num, last_num, type);
 690
 691                 if (!last)
 692                         last = list = g_slist_append(NULL, ginfo);
 693                 else {
 694                         last = g_slist_append(last, ginfo);
 695                         last = last->next;
 696                 }
 697         }
 698
 699         fclose(fp);
 700         g_free(filename);
 701
 702         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 703
 704         return list;
 705 }
 706
 707 void news_group_list_free(GSList *group_list)
 708 {
 709         GSList *cur;
 710
 711         if (!group_list) return;
 712
 713         for (cur = group_list; cur != NULL; cur = cur->next)
 714                 news_group_info_free((NewsGroupInfo *)cur->data);
 715         g_slist_free(group_list);
 716 }
 717
 718 void news_remove_group_list_cache(Folder *folder)
 719 {
 720         gchar *path, *filename;
 721
 722         cm_return_if_fail(folder != NULL);
 723         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 724
 725         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 726         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 727         g_free(path);
 728
 729         if (is_file_exist(filename)) {
 730                 if (remove(filename) < 0)
 731                         FILE_OP_ERROR(filename, "remove");
 732         }
 733         g_free(filename);
 734 }
 735
 736 gint news_post(Folder *folder, const gchar *file)
 737 {
 738         gint ok;
 739         char *contents = file_read_to_str_no_recode(file);
 740         NewsSession *session;
 741
 742         cm_return_val_if_fail(folder != NULL, -1);
 743         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 744         cm_return_val_if_fail(contents != NULL, -1);
 745
 746         session = news_session_get(folder);
 747         if (!session)  {
 748                 g_free(contents);
 749                 return -1;
 750         }
 751
 752         ok = nntp_threaded_post(folder, contents, strlen(contents));
 753
 754         g_free(contents);
 755
 756         if (ok == NEWSNNTP_ERROR_STREAM) {
 757                 session_destroy(SESSION(session));
 758                 REMOTE_FOLDER(folder)->session = NULL;
 759         }
 760
 761         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 762 }
 763
 764 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 765 {
 766         size_t len;
 767         char *result = NULL;
 768         int r;
 769
 770         r = nntp_threaded_article(folder, num, &result, &len);
 771
 772         if (r == NEWSNNTP_NO_ERROR) {
 773                 if (str_write_to_file(result, filename) < 0)
 774                         return -1;
 775                 g_free(result);
 776         }
 777
 778         return r;
 779 }
 780
 781 /**
 782  * news_select_group:
 783  * @session: Active NNTP session.
 784  * @group: Newsgroup name.
 785  * @num: Estimated number of articles.
 786  * @first: First article number.
 787  * @last: Last article number.
 788  *
 789  * Select newsgroup @group with the GROUP command if it is not already
 790  * selected in @session, or article numbers need to be returned.
 791  *
 792  * Return value: NNTP result code.
 793  **/
 794 static gint news_select_group(Folder *folder, const gchar *group,
 795                               gint *num, gint *first, gint *last)
 796 {
 797         gint ok;
 798         gint num_, first_, last_;
 799         struct newsnntp_group_info *info = NULL;
 800         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 801
 802         cm_return_val_if_fail(session != NULL, -1);
 803
 804         if (!num || !first || !last) {
 805                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 806                         return NEWSNNTP_NO_ERROR;
 807                 num = &num_;
 808                 first = &first_;
 809                 last = &last_;
 810         }
 811
 812         g_free(session->group);
 813         session->group = NULL;
 814
 815         ok = nntp_threaded_group(folder, group, &info);
 816
 817         if (ok == NEWSNNTP_NO_ERROR && info) {
 818                 session->group = g_strdup(group);
 819                 *num = info->grp_first;
 820                 *first = info->grp_first;
 821                 *last = info->grp_last;
 822                 newsnntp_group_free(info);
 823         } else {
 824                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 825         }
 826         return ok;
 827 }
 828
 829 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 830 {
 831         MsgInfo *msginfo;
 832
 833         /* set MsgInfo */
 834         msginfo = procmsg_msginfo_new();
 835         msginfo->msgnum = item->ovr_article;
 836         msginfo->size = item->ovr_size;
 837
 838         msginfo->date = g_strdup(item->ovr_date);
 839         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 840
 841         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 842         msginfo->fromname = procheader_get_fromname(msginfo->from);
 843
 844         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 845
 846         remove_return(msginfo->from);
 847         remove_return(msginfo->fromname);
 848         remove_return(msginfo->subject);
 849
 850         if (item->ovr_message_id) {
 851                 gchar *tmp = g_strdup(item->ovr_message_id);
 852                 extract_parenthesis(tmp, '<', '>');
 853                 remove_space(tmp);
 854                 if (*tmp != '\0')
 855                         msginfo->msgid = g_strdup(tmp);
 856                 g_free(tmp);
 857         }
 858
 859         /* FIXME: this is a quick fix; references' meaning was changed
 860          * into having the actual list of references in the References: header.
 861          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 862          * their things properly. */
 863         if (item->ovr_references && *(item->ovr_references)) {
 864                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 865                 guint i = 0;
 866                 char *tmp;
 867                 char *p;
 868                 while (ref_tokens[i]) {
 869                         gchar *cur_ref = ref_tokens[i];
 870                         msginfo->references = references_list_append(msginfo->references,
 871                                         cur_ref);
 872                         i++;
 873                 }
 874                 g_strfreev(ref_tokens);
 875
 876                 tmp = g_strdup(item->ovr_references);
 877                 eliminate_parenthesis(tmp, '(', ')');
 878                 if ((p = strrchr(tmp, '<')) != NULL) {
 879                         extract_parenthesis(p, '<', '>');
 880                         remove_space(p);
 881                         if (*p != '\0')
 882                                 msginfo->inreplyto = g_strdup(p);
 883                 }
 884                 g_free(tmp);
 885         }
 886
 887         return msginfo;
 888 }
 889
 890 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 891 {
 892         gchar * tmp;
 893         FILE * tmpfp;
 894         gchar buf[BUFFSIZE];
 895
 896         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 897                               G_DIR_SEPARATOR, msginfo);
 898         if (tmp == NULL)
 899                 return -1;
 900
 901         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 902                 FILE_OP_ERROR(tmp, "fopen");
 903                 return -1;
 904         }
 905         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 906                 FILE_OP_ERROR(tmp, "chmod");
 907                 g_warning("can't change file mode\n");
 908         }
 909
 910         get_rfc822_date(buf, sizeof(buf));
 911         if (fprintf(tmpfp, "From: %s\r\n"
 912                        "Newsgroups: %s\r\n"
 913                        "Subject: cmsg cancel <%s>\r\n"
 914                        "Control: cancel <%s>\r\n"
 915                        "Approved: %s\r\n"
 916                        "X-Cancelled-by: %s\r\n"
 917                        "Date: %s\r\n"
 918                        "\r\n"
 919                        "removed with Claws Mail\r\n",
 920                        msginfo->from,
 921                        msginfo->newsgroups,
 922                        msginfo->msgid,
 923                        msginfo->msgid,
 924                        msginfo->from,
 925                        msginfo->from,
 926                        buf) < 0) {
 927                 FILE_OP_ERROR(tmp, "fprintf");
 928                 fclose(tmpfp);
 929                 claws_unlink(tmp);
 930                 g_free(tmp);
 931                 return -1;
 932         }
 933
 934         if (fclose(tmpfp) == EOF) {
 935                 FILE_OP_ERROR(tmp, "fclose");
 936                 claws_unlink(tmp);
 937                 g_free(tmp);
 938                 return -1;
 939         }
 940
 941         news_post(folder, tmp);
 942         remove(tmp);
 943
 944         g_free(tmp);
 945
 946         return 0;
 947 }
 948
 949 static gchar *news_folder_get_path(Folder *folder)
 950 {
 951         gchar *folder_path;
 952
 953         cm_return_val_if_fail(folder->account != NULL, NULL);
 954
 955         folder_path = g_strconcat(get_news_cache_dir(),
 956                                   G_DIR_SEPARATOR_S,
 957                                   folder->account->nntp_server,
 958                                   NULL);
 959         return folder_path;
 960 }
 961
 962 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 963 {
 964         gchar *folder_path, *path;
 965
 966         cm_return_val_if_fail(folder != NULL, NULL);
 967         cm_return_val_if_fail(item != NULL, NULL);
 968         folder_path = news_folder_get_path(folder);
 969
 970         cm_return_val_if_fail(folder_path != NULL, NULL);
 971         if (g_path_is_absolute(folder_path)) {
 972                 if (item->path)
 973                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 974                                            item->path, NULL);
 975                 else
 976                         path = g_strdup(folder_path);
 977         } else {
 978                 if (item->path)
 979                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 980                                            folder_path, G_DIR_SEPARATOR_S,
 981                                            item->path, NULL);
 982                 else
 983                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 984                                            folder_path, NULL);
 985         }
 986         g_free(folder_path);
 987 #ifdef G_OS_WIN32
 988         while (strchr(path, '/'))
 989                 *strchr(path, '/') = '\\';
 990 #endif
 991         return path;
 992 }
 993
 994 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 995 {
 996         NewsSession *session;
 997         gint i, ok, num, first, last, nummsgs = 0;
 998         gchar *dir;
 999
1000         cm_return_val_if_fail(item != NULL, -1);
1001         cm_return_val_if_fail(item->folder != NULL, -1);
1002         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
1003
1004         session = news_session_get(folder);
1005         cm_return_val_if_fail(session != NULL, -1);
1006
1007         *old_uids_valid = TRUE;
1008
1009         news_folder_lock(NEWS_FOLDER(item->folder));
1010
1011         ok = news_select_group(folder, item->path, &num, &first, &last);
1012         if (ok != NEWSNNTP_NO_ERROR) {
1013                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1014                 news_folder_unlock(NEWS_FOLDER(item->folder));
1015                 return -1;
1016         }
1017
1018         dir = news_folder_get_path(folder);
1019         if (num <= 0)
1020                 remove_all_numbered_files(dir);
1021         else if (last < first)
1022                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
1023                             first, last);
1024         else {
1025                 for (i = first; i <= last; i++) {
1026                         *msgnum_list = g_slist_prepend(*msgnum_list,
1027                                                        GINT_TO_POINTER(i));
1028                         nummsgs++;
1029                 }
1030                 debug_print("removing old messages from %d to %d in %s\n",
1031                             first, last, dir);
1032                 remove_numbered_files(dir, 1, first - 1);
1033         }
1034         g_free(dir);
1035         news_folder_unlock(NEWS_FOLDER(item->folder));
1036         return nummsgs;
1037 }
1038
1039 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1040 {
1041         msginfo->flags.tmp_flags = 0;
1042         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1043                 if (item->folder->newsart &&
1044                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1045                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1046
1047                 } else {
1048                         if (!item->folder->newsart)
1049                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1050                         g_hash_table_insert(item->folder->newsart,
1051                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1052                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1053                 }
1054         } else {
1055                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1056         }
1057 }
1058
1059 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1060 {
1061         MsgInfo *msginfo = NULL;
1062         gint ok;
1063         GSList *cur;
1064         clist *hdrlist = NULL;
1065         clistiter *hdr;
1066         gint first = -1, last = -1;
1067         GHashTable *hash_table;
1068
1069         cm_return_if_fail(session != NULL);
1070         cm_return_if_fail(item != NULL);
1071         cm_return_if_fail(item->folder != NULL);
1072         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1073
1074         news_folder_lock(NEWS_FOLDER(item->folder));
1075
1076         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1077
1078         for (cur = msglist; cur; cur = cur->next) {
1079                 msginfo = (MsgInfo *)cur->data;
1080                 if (first == -1 || msginfo->msgnum < first)
1081                         first = msginfo->msgnum;
1082                 if (last == -1 || msginfo->msgnum > last)
1083                         last = msginfo->msgnum;
1084                 g_hash_table_insert(hash_table,
1085                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1086         }
1087
1088 /* Newsgroups */
1089         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1090
1091         if (ok != NEWSNNTP_NO_ERROR) {
1092                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1093                 if (ok == NEWSNNTP_ERROR_STREAM) {
1094                         session_destroy(SESSION(session));
1095                         REMOTE_FOLDER(item->folder)->session = NULL;
1096                 }
1097                 news_folder_unlock(NEWS_FOLDER(item->folder));
1098                 return;
1099         }
1100
1101         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1102                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1103                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1104                 if (msginfo) {
1105                         if (msginfo->newsgroups)
1106                                 g_free(msginfo->newsgroups);
1107                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1108                 }
1109         }
1110         newsnntp_xhdr_free(hdrlist);
1111
1112 /* To */
1113         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1114
1115         if (ok != NEWSNNTP_NO_ERROR) {
1116                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1117                 if (ok == NEWSNNTP_ERROR_STREAM) {
1118                         session_destroy(SESSION(session));
1119                         REMOTE_FOLDER(item->folder)->session = NULL;
1120                 }
1121                 news_folder_unlock(NEWS_FOLDER(item->folder));
1122                 return;
1123         }
1124
1125         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1126                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1127                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1128                 if (msginfo) {
1129                         if (msginfo->to)
1130                                 g_free(msginfo->to);
1131                         msginfo->to = g_strdup(hdrval->hdr_value);
1132                 }
1133         }
1134         newsnntp_xhdr_free(hdrlist);
1135
1136 /* Cc */
1137         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1138
1139         if (ok != NEWSNNTP_NO_ERROR) {
1140                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1141                 if (ok == NEWSNNTP_ERROR_STREAM) {
1142                         session_destroy(SESSION(session));
1143                         REMOTE_FOLDER(item->folder)->session = NULL;
1144                 }
1145                 news_folder_unlock(NEWS_FOLDER(item->folder));
1146                 return;
1147         }
1148
1149         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1150                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1151                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1152                 if (msginfo) {
1153                         if (msginfo->cc)
1154                                 g_free(msginfo->cc);
1155                         msginfo->cc = g_strdup(hdrval->hdr_value);
1156                 }
1157         }
1158         newsnntp_xhdr_free(hdrlist);
1159
1160
1161         g_hash_table_destroy(hash_table);
1162         news_folder_unlock(NEWS_FOLDER(item->folder));
1163 }
1164
1165 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1166 {
1167         GSList *newlist = NULL;
1168         GSList *llast = NULL;
1169         MsgInfo *msginfo;
1170         gint ok;
1171         clist *msglist = NULL;
1172         clistiter *cur;
1173         cm_return_val_if_fail(session != NULL, NULL);
1174         cm_return_val_if_fail(item != NULL, NULL);
1175
1176         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1177                     begin, end, item->path);
1178
1179         news_folder_lock(NEWS_FOLDER(item->folder));
1180
1181         ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
1182         if (ok != NEWSNNTP_NO_ERROR) {
1183                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1184                 news_folder_unlock(NEWS_FOLDER(item->folder));
1185                 return NULL;
1186         }
1187
1188         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1189
1190         if (ok != NEWSNNTP_NO_ERROR) {
1191                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1192                 if (ok == NEWSNNTP_ERROR_STREAM) {
1193                         session_destroy(SESSION(session));
1194                         REMOTE_FOLDER(item->folder)->session = NULL;
1195                 }
1196                 news_folder_unlock(NEWS_FOLDER(item->folder));
1197                 return NULL;
1198         }
1199
1200         if (msglist) {
1201                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1202                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1203                         msginfo = news_parse_xover(ritem);
1204
1205                         if (!msginfo) {
1206                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1207                                 continue;
1208                         }
1209
1210                         msginfo->folder = item;
1211                         news_set_msg_flags(item, msginfo);
1212                         msginfo->flags.tmp_flags |= MSG_NEWS;
1213
1214                         if (!newlist)
1215                                 llast = newlist = g_slist_append(newlist, msginfo);
1216                         else {
1217                                 llast = g_slist_append(llast, msginfo);
1218                                 llast = llast->next;
1219                         }
1220                 }
1221                 newsnntp_xover_resp_list_free(msglist);
1222         }
1223
1224         news_folder_unlock(NEWS_FOLDER(item->folder));
1225
1226         session_set_access_time(SESSION(session));
1227
1228         news_get_extra_fields(session, item, newlist);
1229
1230         return newlist;
1231 }
1232
1233 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1234 {
1235         GSList *msglist = NULL;
1236         NewsSession *session;
1237         MsgInfo *msginfo = NULL;
1238
1239         session = news_session_get(folder);
1240         cm_return_val_if_fail(session != NULL, NULL);
1241         cm_return_val_if_fail(item != NULL, NULL);
1242         cm_return_val_if_fail(item->folder != NULL, NULL);
1243         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1244
1245         msglist = news_get_msginfos_for_range(session, item, num, num);
1246
1247         if (msglist)
1248                 msginfo = msglist->data;
1249
1250         g_slist_free(msglist);
1251
1252         return msginfo;
1253 }
1254
1255 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1256 {
1257         NewsSession *session;
1258         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1259         guint first, last, next;
1260 /*      guint tofetch, fetched;
1261 */
1262
1263         cm_return_val_if_fail(folder != NULL, NULL);
1264         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1265         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1266         cm_return_val_if_fail(item != NULL, NULL);
1267
1268         session = news_session_get(folder);
1269         cm_return_val_if_fail(session != NULL, NULL);
1270
1271         tmp_msgnum_list = g_slist_copy(msgnum_list);
1272         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1273
1274         progressindicator_start(PROGRESS_TYPE_NETWORK);
1275 /*      tofetch = g_slist_length(tmp_msgnum_list);
1276         fetched = 0;
1277 */
1278
1279         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1280         last = first;
1281
1282         news_folder_lock(NEWS_FOLDER(item->folder));
1283
1284         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1285                 next = GPOINTER_TO_INT(elem->data);
1286                 if(next != (last + 1)) {
1287 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1288                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1289 */
1290                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1291                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1292 /*                      fetched = last - first + 1;
1293 */
1294                         first = next;
1295                 }
1296                 last = next;
1297         }
1298
1299         news_folder_unlock(NEWS_FOLDER(item->folder));
1300
1301 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1302         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1303 */
1304         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1305         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1306
1307         g_slist_free(tmp_msgnum_list);
1308
1309         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1310
1311         return msginfo_list;
1312 }
1313
1314 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1315 {
1316         return TRUE;
1317 }
1318
1319 void news_synchronise(FolderItem *item, gint days)
1320 {
1321         news_gtk_synchronise(item, days);
1322 }
1323
1324 static gint news_rename_folder(Folder *folder, FolderItem *item,
1325                                 const gchar *name)
1326 {
1327         gchar *path;
1328
1329         cm_return_val_if_fail(folder != NULL, -1);
1330         cm_return_val_if_fail(item != NULL, -1);
1331         cm_return_val_if_fail(item->path != NULL, -1);
1332         cm_return_val_if_fail(name != NULL, -1);
1333
1334         path = folder_item_get_path(item);
1335         if (!is_dir_exist(path))
1336                 make_dir_hier(path);
1337
1338         g_free(item->name);
1339         item->name = g_strdup(name);
1340
1341         return 0;
1342 }
1343
1344 static gint news_remove_folder(Folder *folder, FolderItem *item)
1345 {
1346         gchar *path;
1347
1348         cm_return_val_if_fail(folder != NULL, -1);
1349         cm_return_val_if_fail(item != NULL, -1);
1350         cm_return_val_if_fail(item->path != NULL, -1);
1351
1352         path = folder_item_get_path(item);
1353         if (remove_dir_recursive(path) < 0) {
1354                 g_warning("can't remove directory `%s'\n", path);
1355                 g_free(path);
1356                 return -1;
1357         }
1358
1359         g_free(path);
1360         folder_item_remove(item);
1361         return 0;
1362 }
1363
1364 #else
1365 #include <glib.h>
1366 #include <glib/gi18n.h>
1367 #include <gtk/gtk.h>
1368 #include "folder.h"
1369 #include "alertpanel.h"
1370
1371 static FolderClass news_class;
1372
1373 static void warn_etpan(void)
1374 {
1375         static gboolean missing_news_warning = TRUE;
1376         if (missing_news_warning) {
1377                 missing_news_warning = FALSE;
1378                 alertpanel_error(
1379                         _("You have one or more News accounts "
1380                           "defined. However this version of "
1381                           "Claws Mail has been built without "
1382                           "News support; your News account(s) are "
1383                           "disabled.\n\n"
1384                           "You probably need to "
1385                           "install libetpan and recompile "
1386                           "Claws Mail."));
1387         }
1388 }
1389 static Folder *news_folder_new(const gchar *name, const gchar *path)
1390 {
1391         warn_etpan();
1392         return NULL;
1393 }
1394 void news_group_list_free(GSList *group_list)
1395 {
1396         warn_etpan();
1397 }
1398 void news_remove_group_list_cache(Folder *folder)
1399 {
1400         warn_etpan();
1401 }
1402 int news_folder_locked(Folder *folder)
1403 {
1404         warn_etpan();
1405         return 0;
1406 }
1407 gint news_post(Folder *folder, const gchar *file)
1408 {
1409         warn_etpan();
1410         return -1;
1411 }
1412
1413 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1414 {
1415         warn_etpan();
1416         return -1;
1417 }
1418
1419 GSList *news_get_group_list(Folder *folder)
1420 {
1421         warn_etpan();
1422         return NULL;
1423 }
1424
1425
1426 FolderClass *news_get_class(void)
1427 {
1428         if (news_class.idstr == NULL) {
1429                 news_class.type = F_NEWS;
1430                 news_class.idstr = "news";
1431                 news_class.uistr = "News";
1432
1433                 /* Folder functions */
1434                 news_class.new_folder = news_folder_new;
1435         };
1436
1437         return &news_class;
1438 }
1439
1440
1441 #endif