src/plugins/rssyl/rssyl.c

   1 /*
   2  * Claws-Mail-- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  * This file (C) 2005 Andrej Kacian <andrej@kacian.sk>
   5  *
   6  * - s-c folderclass callback handler functions
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #  include "config.h"
  25 #endif
  26
  27 /* Global includes */
  28 #include <glib.h>
  29 #include <glib/gi18n.h>
  30 #include <curl/curl.h>
  31
  32 /* Claws Mail includes */
  33 #include <folder.h>
  34 #include <procmsg.h>
  35 #include <localfolder.h>
  36 #include <common/utils.h>
  37 #include <main.h>
  38 #include <mh.h>
  39 #include <xml.h>
  40 #include <toolbar.h>
  41 #include <prefs_toolbar.h>
  42 #include <utils.h>
  43
  44 /* Local includes */
  45 #include "libfeed/feeditem.h"
  46 #include "rssyl.h"
  47 #include "rssyl_deleted.h"
  48 #include "rssyl_gtk.h"
  49 #include "rssyl_feed.h"
  50 #include "rssyl_prefs.h"
  51 #include "rssyl_update_feed.h"
  52 #include "rssyl_update_format.h"
  53 #include "opml_import.h"
  54 #include "opml_export.h"
  55 #include "strutils.h"
  56
  57 FolderClass rssyl_class;
  58
  59 static gint rssyl_create_tree(Folder *folder);
  60 static gint rssyl_scan_tree(Folder *folder);
  61
  62 static gboolean existing_tree_found = FALSE;
  63
  64 static void rssyl_init_read_func(FolderItem *item, gpointer data)
  65 {
  66         RFolderItem *ritem = (RFolderItem *)item;
  67         RPrefs *rsprefs = NULL;
  68
  69         if( !IS_RSSYL_FOLDER_ITEM(item) )
  70                 return;
  71
  72         existing_tree_found = TRUE;
  73
  74         /* Don't do anything if we're on root of our folder tree or on
  75          * a regular folder (no feed) */
  76         if( folder_item_parent(item) == NULL || ritem->url == NULL )
  77                 return;
  78
  79         ritem->refresh_id = 0;
  80
  81         /* Start automatic refresh timer, if necessary */
  82         if( ritem->default_refresh_interval ) {
  83                 rsprefs = rssyl_prefs_get();
  84                 if( !rsprefs->refresh_enabled )
  85                         return;
  86
  87                 ritem->refresh_interval = rsprefs->refresh;
  88         }
  89
  90         /* Start the timer, if determined interval is >0 */
  91         if( ritem->refresh_interval > 0 )
  92                 rssyl_feed_start_refresh_timeout(ritem);
  93 }
  94
  95 static void rssyl_make_rc_dir(void)
  96 {
  97         gchar *rssyl_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RSSYL_DIR,
  98                         NULL);
  99
 100         if( !is_dir_exist(rssyl_dir) ) {
 101                 if( make_dir(rssyl_dir) < 0 ) {
 102                         g_warning("couldn't create directory %s\n", rssyl_dir);
 103                 }
 104
 105                 debug_print("RSSyl: created directory %s\n", rssyl_dir);
 106         }
 107
 108         g_free(rssyl_dir);
 109 }
 110
 111 static void rssyl_create_default_mailbox(void)
 112 {
 113         Folder *root = NULL;
 114
 115         rssyl_make_rc_dir();
 116
 117         root = folder_new(rssyl_folder_get_class(), RSSYL_DEFAULT_MAILBOX, NULL);
 118
 119         g_return_if_fail(root != NULL);
 120         folder_add(root);
 121
 122         rssyl_scan_tree(root);
 123
 124         /* FIXME: subscribe default feed */
 125 //      rssyl_subscribe_new_feed(item, RSSYL_DEFAULT_FEED, TRUE);
 126 }
 127
 128 static gboolean rssyl_update_all_feeds_deferred(gpointer data)
 129 {
 130         rssyl_update_all_feeds();
 131         return FALSE;
 132 }
 133
 134 static void rssyl_toolbar_cb_refresh_all_feeds(gpointer parent, const gchar *item_name, gpointer data)
 135 {
 136         rssyl_update_all_feeds();
 137 }
 138
 139 void rssyl_init(void)
 140 {
 141         folder_register_class(rssyl_folder_get_class());
 142
 143         rssyl_gtk_init();
 144         rssyl_make_rc_dir();
 145
 146         rssyl_prefs_init();
 147
 148         folder_func_to_all_folders((FolderItemFunc)rssyl_init_read_func, NULL);
 149
 150         if( !existing_tree_found )
 151                 rssyl_create_default_mailbox();
 152         else
 153                 rssyl_update_format();
 154
 155         prefs_toolbar_register_plugin_item(TOOLBAR_MAIN, "RSSyl", _("Refresh all feeds"), rssyl_toolbar_cb_refresh_all_feeds, NULL);
 156
 157         if( rssyl_prefs_get()->refresh_on_startup &&
 158                         claws_is_starting() )
 159                 g_timeout_add(2000, rssyl_update_all_feeds_deferred, NULL);
 160 }
 161
 162 void rssyl_done(void)
 163 {
 164         rssyl_opml_export();
 165
 166         prefs_toolbar_unregister_plugin_item(TOOLBAR_MAIN, "RSSyl", _("Refresh all feeds"));
 167
 168         rssyl_prefs_done();
 169         rssyl_gtk_done();
 170
 171         if( !claws_is_exiting() )
 172                 folder_unregister_class(rssyl_folder_get_class());
 173
 174         debug_print("RSSyl is done\n");
 175 }
 176
 177 static gchar *rssyl_get_new_msg_filename(FolderItem *dest)
 178 {
 179         gchar *destfile;
 180         gchar *destpath;
 181
 182         destpath = folder_item_get_path(dest);
 183         g_return_val_if_fail(destpath != NULL, NULL);
 184
 185         if( !is_dir_exist(destpath) )
 186                 make_dir_hier(destpath);
 187
 188         for( ; ; ) {
 189                 destfile = g_strdup_printf("%s%c%d", destpath, G_DIR_SEPARATOR,
 190                                 dest->last_num + 1);
 191                 if( is_file_entry_exist(destfile) ) {
 192                         dest->last_num++;
 193                         g_free(destfile);
 194                 } else
 195                         break;
 196         }
 197
 198         g_free(destpath);
 199
 200         return destfile;
 201 }
 202
 203 static void rssyl_get_last_num(Folder *folder, FolderItem *item)
 204 {
 205         gchar *path;
 206         DIR *dp;
 207         struct dirent *d;
 208         gint max = 0;
 209         gint num;
 210
 211         g_return_if_fail(item != NULL);
 212
 213         debug_print("rssyl_get_last_num(): Scanning %s ...\n", item->path);
 214         path = folder_item_get_path(item);
 215         g_return_if_fail(path != NULL);
 216
 217         if( (dp = opendir(path)) == NULL ) {
 218                 FILE_OP_ERROR(item->path, "opendir");
 219                 g_free(path);
 220                 return;
 221         }
 222
 223         g_free(path);
 224
 225         while( (d = readdir(dp)) != NULL ) {
 226                 if( (num = to_number(d->d_name)) > 0 && dirent_is_regular_file(d) ) {
 227                         if( max < num )
 228                                 max = num;
 229                 }
 230         }
 231         closedir(dp);
 232
 233         debug_print("Last number in dir %s = %d\n", item->path, max);
 234         item->last_num = max;
 235 }
 236
 237 static Folder *rssyl_new_folder(const gchar *name, const gchar *path)
 238 {
 239         Folder *folder;
 240
 241         debug_print("RSSyl: new_folder: %s (%s)\n", name, path);
 242
 243         rssyl_make_rc_dir();
 244
 245         folder = g_new0(Folder, 1);
 246         FOLDER(folder)->klass = &rssyl_class;
 247         folder_init(FOLDER(folder), name);
 248
 249         return FOLDER(folder);
 250 }
 251
 252 static void rssyl_destroy_folder(Folder *folder)
 253 {
 254         folder_local_folder_destroy(LOCAL_FOLDER(folder));
 255 }
 256
 257 static void rssyl_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 258 {
 259         GList *cur;
 260         RFolderItem *ritem = (RFolderItem *)item;
 261
 262         folder_item_set_xml(folder, item, tag);
 263
 264         for( cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 265                 XMLAttr *attr = (XMLAttr *) cur->data;
 266
 267                 if( !attr || !attr->name || !attr->value)
 268                         continue;
 269
 270                 /* (str) URL */
 271                 if( !strcmp(attr->name, "uri")) {
 272                         g_free(ritem->url);
 273                         ritem->url = g_strdup(attr->value);
 274                 }
 275                 /* (int) URL auth */
 276                 if (!strcmp(attr->name, "auth")) {
 277                         ritem->auth->type = atoi(attr->value);
 278                 }
 279                 /* (str) Auth user */
 280                 if (!strcmp(attr->name, "auth_user")) {
 281                         g_free(ritem->auth->username);
 282                         ritem->auth->username = g_strdup(attr->value);
 283                 }
 284                 /* (str) Auth pass */
 285                 if (!strcmp(attr->name, "auth_pass")) {
 286                         gsize len = 0;
 287                         guchar *pwd = g_base64_decode(attr->value, &len);
 288                         g_free(ritem->auth->password);
 289                         ritem->auth->password = (gchar *)pwd;
 290                 }
 291                 /* (str) Official title */
 292                 if( !strcmp(attr->name, "official_title")) {
 293                         g_free(ritem->official_title);
 294                         ritem->official_title = g_strdup(attr->value);
 295                 }
 296                 /* (bool) Keep old items */
 297                 if( !strcmp(attr->name, "keep_old"))
 298                         ritem->keep_old = (atoi(attr->value) == 0 ? FALSE : TRUE );
 299                 /* (bool) Use default refresh_interval */
 300                 if( !strcmp(attr->name, "default_refresh_interval"))
 301                         ritem->default_refresh_interval = (atoi(attr->value) == 0 ? FALSE : TRUE );
 302                 /* (int) Refresh interval */
 303                 if( !strcmp(attr->name, "refresh_interval"))
 304                         ritem->refresh_interval = atoi(attr->value);
 305                 /* (bool) Fetch comments */
 306                 if( !strcmp(attr->name, "fetch_comments"))
 307                         ritem->fetch_comments = (atoi(attr->value) == 0 ? FALSE : TRUE );
 308                 /* (int) Max age of posts to fetch comments for */
 309                 if( !strcmp(attr->name, "fetch_comments_max_age"))
 310                         ritem->fetch_comments_max_age = atoi(attr->value);
 311                 /* (bool) Write heading */
 312                 if( !strcmp(attr->name, "write_heading"))
 313                         ritem->write_heading = (atoi(attr->value) == 0 ? FALSE : TRUE );
 314                 /* (int) Silent update */
 315                 if( !strcmp(attr->name, "silent_update"))
 316                         ritem->silent_update = atoi(attr->value);
 317                 /* (bool) Ignore title rename */
 318                 if( !strcmp(attr->name, "ignore_title_rename"))
 319                         ritem->ignore_title_rename = (atoi(attr->value) == 0 ? FALSE : TRUE );
 320                 /* (bool) Verify SSL peer  */
 321                 if( !strcmp(attr->name, "ssl_verify_peer"))
 322                         ritem->ssl_verify_peer = (atoi(attr->value) == 0 ? FALSE : TRUE );
 323         }
 324 }
 325
 326 static XMLTag *rssyl_item_get_xml(Folder *folder, FolderItem *item)
 327 {
 328         XMLTag *tag;
 329         RFolderItem *ri = (RFolderItem *)item;
 330         gchar *tmp = NULL;
 331
 332         tag = folder_item_get_xml(folder, item);
 333
 334         /* (str) URL */
 335         if( ri->url != NULL )
 336                 xml_tag_add_attr(tag, xml_attr_new("uri", ri->url));
 337         /* (int) Auth */
 338         tmp = g_strdup_printf("%d", ri->auth->type);
 339         xml_tag_add_attr(tag, xml_attr_new("auth", tmp));
 340         g_free(tmp);
 341         /* (str) Auth user */
 342         if (ri->auth->username != NULL)
 343                 xml_tag_add_attr(tag, xml_attr_new("auth_user", ri->auth->username));
 344         /* (str) Auth pass */
 345         if (ri->auth->password != NULL) {
 346                 gchar *pwd = g_base64_encode(ri->auth->password, strlen(ri->auth->password));
 347                 xml_tag_add_attr(tag, xml_attr_new("auth_pass", pwd));
 348                 g_free(pwd);
 349         }
 350         /* (str) Official title */
 351         if( ri->official_title != NULL )
 352                 xml_tag_add_attr(tag, xml_attr_new("official_title", ri->official_title));
 353         /* (bool) Keep old items */
 354         xml_tag_add_attr(tag, xml_attr_new("keep_old",
 355                                 (ri->keep_old ? "1" : "0")) );
 356         /* (bool) Use default refresh interval */
 357         xml_tag_add_attr(tag, xml_attr_new("default_refresh_interval",
 358                                 (ri->default_refresh_interval ? "1" : "0")) );
 359         /* (int) Refresh interval */
 360         tmp = g_strdup_printf("%d", ri->refresh_interval);
 361         xml_tag_add_attr(tag, xml_attr_new("refresh_interval", tmp));
 362         g_free(tmp);
 363         /* (bool) Fetch comments */
 364         xml_tag_add_attr(tag, xml_attr_new("fetch_comments",
 365                                 (ri->fetch_comments ? "1" : "0")) );
 366         /* (int) Max age of posts to fetch comments for */
 367         tmp = g_strdup_printf("%d", ri->fetch_comments_max_age);
 368         xml_tag_add_attr(tag, xml_attr_new("fetch_comments_max_age", tmp));
 369         g_free(tmp);
 370         /* (bool) Write heading */
 371         xml_tag_add_attr(tag, xml_attr_new("write_heading",
 372                                 (ri->write_heading ? "1" : "0")) );
 373         /* (int) Silent update */
 374         tmp = g_strdup_printf("%d", ri->silent_update);
 375         xml_tag_add_attr(tag, xml_attr_new("silent_update", tmp));
 376         g_free(tmp);
 377         /* (bool) Ignore title rename */
 378         xml_tag_add_attr(tag, xml_attr_new("ignore_title_rename",
 379                                 (ri->ignore_title_rename ? "1" : "0")) );
 380         /* (bool) Verify SSL peer */
 381         xml_tag_add_attr(tag, xml_attr_new("ssl_verify_peer",
 382                                 (ri->ssl_verify_peer ? "1" : "0")) );
 383
 384         return tag;
 385 }
 386
 387 static gint rssyl_scan_tree(Folder *folder)
 388 {
 389         g_return_val_if_fail(folder != NULL, -1);
 390
 391         folder->outbox = NULL;
 392         folder->draft = NULL;
 393         folder->queue = NULL;
 394         folder->trash = NULL;
 395
 396         debug_print("RSSyl: scanning tree\n");
 397         rssyl_create_tree(folder);
 398
 399         return 0;
 400 }
 401
 402 static gint rssyl_create_tree(Folder *folder)
 403 {
 404         FolderItem *rootitem;
 405         GNode *rootnode;
 406
 407         g_return_val_if_fail(folder != NULL, -1);
 408
 409         rssyl_make_rc_dir();
 410
 411         if( !folder->node ) {
 412                 rootitem = folder_item_new(folder, folder->name, NULL);
 413                 rootitem->folder = folder;
 414                 rootnode = g_node_new(rootitem);
 415                 folder->node = rootnode;
 416                 rootitem->node = rootnode;
 417         }
 418
 419         debug_print("RSSyl: created new rssyl tree\n");
 420         return 0;
 421 }
 422
 423 static FolderItem *rssyl_item_new(Folder *folder)
 424 {
 425         RFolderItem *ritem = g_new0(RFolderItem, 1);
 426
 427         ritem->url = NULL;
 428         ritem->auth = g_new0(FeedAuth, 1);
 429         ritem->auth->type = FEED_AUTH_NONE;
 430         ritem->auth->username = NULL;
 431         ritem->auth->password = NULL;
 432         ritem->official_title = NULL;
 433         ritem->source_id = NULL;
 434         ritem->items = NULL;
 435         ritem->keep_old = FALSE;
 436         ritem->default_refresh_interval = TRUE;
 437         ritem->refresh_interval = atoi(PREF_DEFAULT_REFRESH);
 438         ritem->fetch_comments = FALSE;
 439         ritem->fetch_comments_max_age = -1;
 440         ritem->write_heading = TRUE;
 441         ritem->fetching_comments = FALSE;
 442         ritem->silent_update = 0;
 443         ritem->last_update = 0;
 444         ritem->ignore_title_rename = FALSE;
 445
 446         return (FolderItem *)ritem;
 447 }
 448
 449 static void rssyl_item_destroy(Folder *folder, FolderItem *item)
 450 {
 451         RFolderItem *ritem = (RFolderItem *)item;
 452
 453         g_return_if_fail(ritem != NULL);
 454
 455         g_free(ritem->url);
 456         if (ritem->auth->username)
 457                 g_free(ritem->auth->username);
 458         if (ritem->auth->password)
 459                 g_free(ritem->auth->password);
 460         g_free(ritem->auth);
 461         g_free(ritem->official_title);
 462         g_slist_free(ritem->items);
 463
 464         /* Remove a scheduled refresh, if any */
 465         if( ritem->refresh_id != 0)
 466                 g_source_remove(ritem->refresh_id);
 467
 468         g_free(ritem);
 469 }
 470
 471 static FolderItem *rssyl_create_folder(Folder *folder,
 472                                                                 FolderItem *parent, const gchar *name)
 473 {
 474         gchar *path = NULL, *basepath = NULL, *itempath = NULL;
 475         FolderItem *newitem = NULL;
 476
 477         g_return_val_if_fail(folder != NULL, NULL);
 478         g_return_val_if_fail(parent != NULL, NULL);
 479         g_return_val_if_fail(name != NULL, NULL);
 480
 481         path = folder_item_get_path(parent);
 482         if( !is_dir_exist(path) ) {
 483                 if( (make_dir_hier(path) != 0) ) {
 484                         debug_print("RSSyl: Couldn't create directory (rec) '%s'\n", path);
 485                         return NULL;
 486                 }
 487         }
 488
 489         basepath = g_strdelimit(g_strdup(name), G_DIR_SEPARATOR_S, '_');
 490         path = g_strconcat(path, G_DIR_SEPARATOR_S, basepath, NULL);
 491
 492         if( make_dir(path) < 0 ) {
 493                 debug_print("RSSyl: Couldn't create directory '%s'\n", path);
 494                 g_free(path);
 495                 g_free(basepath);
 496                 return NULL;
 497         }
 498         g_free(path);
 499
 500         itempath = g_strconcat((parent->path ? parent->path : ""),
 501                         G_DIR_SEPARATOR_S, basepath, NULL);
 502         newitem = folder_item_new(folder, name, itempath);
 503         g_free(itempath);
 504         g_free(basepath);
 505
 506         folder_item_append(parent, newitem);
 507
 508         return newitem;
 509 }
 510
 511 FolderItem *rssyl_get_root_folderitem(FolderItem *item)
 512 {
 513         FolderItem *i;
 514
 515         for( i = item; folder_item_parent(i) != NULL; i = folder_item_parent(i) ) { }
 516         return i;
 517 }
 518
 519 static gchar *rssyl_item_get_path(Folder *folder, FolderItem *item)
 520 {
 521         gchar *path, *name;
 522
 523         g_return_val_if_fail(folder != NULL, NULL);
 524         g_return_val_if_fail(item != NULL, NULL);
 525
 526         debug_print("RSSyl: item_get_path\n");
 527
 528         name = folder_item_get_name(rssyl_get_root_folderitem(item));
 529         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RSSYL_DIR,
 530                         G_DIR_SEPARATOR_S, name, G_DIR_SEPARATOR_S, item->path, NULL);
 531         g_free(name);
 532
 533         return path;
 534 }
 535
 536 static gboolean rssyl_rename_folder_func(GNode *node, gpointer data)
 537 {
 538         FolderItem *item = node->data;
 539         gchar **paths = data;
 540         const gchar *oldpath = paths[0];
 541         const gchar *newpath = paths[1];
 542         gchar *base;
 543         gchar *new_itempath;
 544         gint oldpathlen;
 545
 546         oldpathlen = strlen(oldpath);
 547         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
 548                 g_warning("path doesn't match: %s, %s\n", oldpath, item->path);
 549                 return TRUE;
 550         }
 551
 552         base = item->path + oldpathlen;
 553         while (*base == G_DIR_SEPARATOR) base++;
 554         if (*base == '\0')
 555                 new_itempath = g_strdup(newpath);
 556         else
 557                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
 558                                 NULL);
 559         g_free(item->path);
 560         item->path = new_itempath;
 561
 562         return FALSE;
 563 }
 564
 565 static gint rssyl_rename_folder(Folder *folder, FolderItem *item,
 566                                 const gchar *name)
 567 {
 568         gchar *oldpath;
 569         gchar *dirname;
 570         gchar *newpath, *utf8newpath;
 571         gchar *basenewpath;
 572         gchar *paths[2];
 573
 574         g_return_val_if_fail(folder != NULL, -1);
 575         g_return_val_if_fail(item != NULL, -1);
 576         g_return_val_if_fail(item->path != NULL, -1);
 577         g_return_val_if_fail(name != NULL, -1);
 578
 579         debug_print("RSSyl: rssyl_rename_folder '%s' -> '%s'\n",
 580                         item->name, name);
 581
 582         if (!strcmp(item->name, name))
 583                         return 0;
 584
 585         oldpath = folder_item_get_path(item);
 586         if( !is_dir_exist(oldpath) )
 587                 make_dir_hier(oldpath);
 588
 589         dirname = g_path_get_dirname(oldpath);
 590         basenewpath = g_strdelimit(g_strdup(name), G_DIR_SEPARATOR_S, '_');
 591         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, basenewpath, NULL);
 592         g_free(basenewpath);
 593
 594         if( g_rename(oldpath, newpath) < 0 ) {
 595                 FILE_OP_ERROR(oldpath, "rename");
 596                 g_free(oldpath);
 597                 g_free(newpath);
 598                 return -1;
 599         }
 600
 601         g_free(oldpath);
 602         g_free(newpath);
 603
 604         if( strchr(item->path, G_DIR_SEPARATOR) != NULL ) {
 605                 dirname = g_path_get_dirname(item->path);
 606                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
 607                 g_free(dirname);
 608         } else
 609                 utf8newpath = g_strdup(name);
 610
 611         g_free(item->name);
 612         item->name = g_strdup(name);
 613
 614         paths[0] = g_strdup(item->path);
 615         paths[1] = utf8newpath;
 616         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 617                         rssyl_rename_folder_func, paths);
 618
 619         g_free(paths[0]);
 620         g_free(paths[1]);
 621
 622         return 0;
 623 }
 624
 625 static gint rssyl_remove_folder(Folder *folder, FolderItem *item)
 626 {
 627         gchar *path = NULL;
 628
 629         g_return_val_if_fail(folder != NULL, -1);
 630         g_return_val_if_fail(item != NULL, -1);
 631         g_return_val_if_fail(item->path != NULL, -1);
 632         g_return_val_if_fail(item->stype == F_NORMAL, -1);
 633
 634         debug_print("RSSyl: removing folder item %s\n", item->path);
 635
 636         path = folder_item_get_path(item);
 637         if( remove_dir_recursive(path) < 0 ) {
 638                 g_warning("can't remove directory '%s'\n", path);
 639                 g_free(path);
 640                 return -1;
 641         }
 642
 643         g_free(path);
 644         folder_item_remove(item);
 645
 646         return 0;
 647 }
 648
 649 static gint rssyl_get_num_list(Folder *folder, FolderItem *item,
 650                 MsgNumberList **list, gboolean *old_uids_valid)
 651 {
 652         gchar *path;
 653         DIR *dp;
 654         struct dirent *d;
 655         gint num, nummsgs = 0;
 656
 657         g_return_val_if_fail(item != NULL, -1);
 658
 659         debug_print("RSSyl: get_num_list: scanning '%s'\n", item->path);
 660
 661         *old_uids_valid = TRUE;
 662
 663         path = folder_item_get_path(item);
 664         g_return_val_if_fail(path != NULL, -1);
 665
 666         if( (dp = opendir(path)) == NULL ) {
 667                 FILE_OP_ERROR(item->path, "opendir");
 668                 g_free(path);
 669                 return -1;
 670         }
 671
 672         g_free(path);
 673
 674         while( (d = readdir(dp)) != NULL ) {
 675                 if( (num = to_number(d->d_name)) > 0 ) {
 676                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
 677                         nummsgs++;
 678                 }
 679         }
 680
 681         closedir(dp);
 682
 683         debug_print("RSSyl: get_num_list: returning %d\n", nummsgs);
 684
 685         return nummsgs;
 686 }
 687
 688 static gboolean rssyl_is_msg_changed(Folder *folder, FolderItem *item,
 689                 MsgInfo *msginfo)
 690 {
 691         struct stat s;
 692         gchar *path = NULL;
 693
 694         g_return_val_if_fail(folder != NULL, FALSE);
 695         g_return_val_if_fail(item != NULL, FALSE);
 696         g_return_val_if_fail(msginfo != NULL, FALSE);
 697
 698         path = g_strconcat(folder_item_get_path(item), G_DIR_SEPARATOR_S,
 699                         itos(msginfo->msgnum), NULL);
 700
 701         if (g_stat(path, &s) < 0 ||
 702                 msginfo->size != s.st_size || (
 703                                 (msginfo->mtime - s.st_mtime != 0) &&
 704                                 (msginfo->mtime - s.st_mtime != 3600) &&
 705                                 (msginfo->mtime - s.st_mtime != -3600))) {
 706                 g_free(path);
 707                 return TRUE;
 708         }
 709
 710         g_free(path);
 711         return FALSE;
 712 }
 713
 714 static gchar *rssyl_fetch_msg(Folder *folder, FolderItem *item, gint num)
 715 {
 716         gchar *path;
 717         gchar *file;
 718
 719         g_return_val_if_fail(item != NULL, NULL);
 720         g_return_val_if_fail(num > 0, NULL);
 721
 722         path = folder_item_get_path(item);
 723         file = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 724         g_free(path);
 725
 726         debug_print("RSSyl: fetch_msg '%s'\n", file);
 727
 728         if( !is_file_exist(file)) {
 729                 g_free(file);
 730                 return NULL;
 731         }
 732
 733         return file;
 734 }
 735
 736 static MsgInfo *rssyl_get_msginfo(Folder *folder, FolderItem *item, gint num)
 737 {
 738         MsgInfo *msginfo = NULL;
 739         gchar *file;
 740         MsgFlags flags;
 741
 742         g_return_val_if_fail(folder != NULL, NULL);
 743         g_return_val_if_fail(item != NULL, NULL);
 744         g_return_val_if_fail(num > 0, NULL);
 745
 746         debug_print("RSSyl: get_msginfo: %d\n", num);
 747
 748         file = rssyl_fetch_msg(folder, item, num);
 749         g_return_val_if_fail(file != NULL, NULL);
 750
 751         flags.perm_flags = 0;
 752         flags.tmp_flags = 0;
 753
 754         msginfo = rssyl_feed_parse_item_to_msginfo(file, flags, TRUE, TRUE, item);
 755         g_free(file);
 756
 757         if( msginfo )
 758                 msginfo->msgnum = num;
 759
 760         return msginfo;
 761 }
 762
 763 static gint rssyl_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 764                 GHashTable *relation)
 765 {
 766         gchar *destfile;
 767         GSList *cur;
 768         MsgFileInfo *fileinfo;
 769
 770         g_return_val_if_fail(dest != NULL, -1);
 771         g_return_val_if_fail(file_list != NULL, -1);
 772
 773         if( dest->last_num < 0 ) {
 774                 rssyl_get_last_num(folder, dest);
 775                 if( dest->last_num < 0 ) return -1;
 776         }
 777
 778         for( cur = file_list; cur != NULL; cur = cur->next ) {
 779                 fileinfo = (MsgFileInfo *)cur->data;
 780
 781                 destfile = rssyl_get_new_msg_filename(dest);
 782                 g_return_val_if_fail(destfile != NULL, -1);
 783                 debug_print("RSSyl: add_msgs: new filename is '%s'\n", destfile);
 784
 785                 if( copy_file(fileinfo->file, destfile, TRUE) < 0 ) {
 786                         g_warning("can't copy message %s to %s\n", fileinfo->file, destfile);
 787                         g_free(destfile);
 788                         return -1;
 789                 }
 790
 791                 if( relation != NULL )
 792                         g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
 793                                         (gpointer) fileinfo->msginfo : (gpointer) fileinfo,
 794                                         GINT_TO_POINTER(dest->last_num + 1));
 795                 g_free(destfile);
 796                 dest->last_num++;
 797         }
 798
 799
 800         return dest->last_num;
 801 }
 802
 803 static gint rssyl_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
 804                 MsgFlags *flags)
 805 {
 806         GSList file_list;
 807         MsgFileInfo fileinfo;
 808
 809         g_return_val_if_fail(file != NULL, -1);
 810
 811         fileinfo.msginfo = NULL;
 812         fileinfo.file = (gchar *)file;
 813         fileinfo.flags = flags;
 814         file_list.data = &fileinfo;
 815         file_list.next = NULL;
 816
 817         return rssyl_add_msgs(folder, dest, &file_list, NULL);
 818 }
 819
 820 static gint rssyl_remove_msg(Folder *folder, FolderItem *item, gint num)
 821 {
 822         gboolean need_scan = FALSE;
 823         gchar *file, *tmp;
 824
 825         g_return_val_if_fail(item != NULL, -1);
 826
 827         file = rssyl_fetch_msg(folder, item, num);
 828         g_return_val_if_fail(file != NULL, -1);
 829
 830         need_scan = mh_get_class()->scan_required(folder, item);
 831
 832         /* are we doing a folder move ? */
 833         tmp = g_strdup_printf("%s.tmp", file);
 834         if (is_file_exist(tmp)) {
 835                 g_unlink(tmp);
 836                 g_free(tmp);
 837                 g_free(file);
 838                 return 0;
 839         }
 840         g_free(tmp);
 841
 842         rssyl_deleted_add((RFolderItem *)item, file);
 843
 844         if( g_unlink(file) < 0 ) {
 845                 FILE_OP_ERROR(file, "unlink");
 846                 g_free(file);
 847                 return -1;
 848         }
 849
 850         if( !need_scan )
 851                 item->mtime = time(NULL);
 852
 853         g_free(file);
 854         return 0;
 855 }
 856
 857 static gboolean rssyl_subscribe_uri(Folder *folder, const gchar *uri)
 858 {
 859         if (folder->klass != rssyl_folder_get_class())
 860                 return FALSE;
 861         return (rssyl_feed_subscribe_new(FOLDER_ITEM(folder->node->data), uri, FALSE) ?
 862                         TRUE : FALSE);
 863 }
 864
 865 static void rssyl_copy_private_data(Folder *folder, FolderItem *oldi,
 866                 FolderItem *newi)
 867 {
 868         gchar *dpathold, *dpathnew;
 869         RFolderItem *olditem = (RFolderItem *)oldi,
 870                                                                         *newitem = (RFolderItem *)newi;
 871
 872         g_return_if_fail(folder != NULL);
 873         g_return_if_fail(olditem != NULL);
 874         g_return_if_fail(newitem != NULL);
 875
 876         if (olditem->url != NULL) {
 877                 g_free(newitem->url);
 878                 newitem->url = g_strdup(olditem->url);
 879         }
 880
 881         if (olditem->auth != NULL) {
 882                 if (newitem->auth != NULL) {
 883                         if (newitem->auth->username != NULL) {
 884                                 g_free(newitem->auth->username);
 885                                 newitem->auth->username = NULL;
 886                         }
 887                         if (newitem->auth->password != NULL) {
 888                                 g_free(newitem->auth->password);
 889                                 newitem->auth->password = NULL;
 890                         }
 891                         g_free(newitem->auth);
 892                 }
 893                 newitem->auth = g_new0(FeedAuth, 1);
 894                 newitem->auth->type = olditem->auth->type;
 895                 if (olditem->auth->username != NULL)
 896                         newitem->auth->username = g_strdup(olditem->auth->username);
 897                 if (olditem->auth->password != NULL)
 898                         newitem->auth->password = g_strdup(olditem->auth->password);
 899         }
 900
 901         if (olditem->official_title != NULL) {
 902                 g_free(newitem->official_title);
 903                 newitem->official_title = g_strdup(olditem->official_title);
 904         }
 905
 906         if (olditem->source_id != NULL) {
 907                 g_free(newitem->source_id);
 908                 newitem->source_id = g_strdup(olditem->source_id);
 909         }
 910
 911         newitem->keep_old = olditem->keep_old;
 912         newitem->default_refresh_interval = olditem->default_refresh_interval;
 913         newitem->refresh_interval = olditem->refresh_interval;
 914         newitem->fetch_comments = olditem->fetch_comments;
 915         newitem->fetch_comments_max_age = olditem->fetch_comments_max_age;
 916         newitem->silent_update = olditem->silent_update;
 917         newitem->write_heading = olditem->write_heading;
 918         newitem->ignore_title_rename = olditem->ignore_title_rename;
 919         newitem->ssl_verify_peer = olditem->ssl_verify_peer;
 920         newitem->refresh_id = olditem->refresh_id;
 921         newitem->fetching_comments = olditem->fetching_comments;
 922         newitem->last_update = olditem->last_update;
 923
 924         dpathold = g_strconcat(rssyl_item_get_path(oldi->folder, oldi),
 925                         G_DIR_SEPARATOR_S, RSSYL_DELETED_FILE, NULL);
 926         dpathnew = g_strconcat(rssyl_item_get_path(newi->folder, newi),
 927                         G_DIR_SEPARATOR_S, RSSYL_DELETED_FILE, NULL);
 928         move_file(dpathold, dpathnew, TRUE);
 929         g_free(dpathold);
 930         g_free(dpathnew);
 931
 932 }
 933
 934 /************************************************************************/
 935
 936 FolderClass *rssyl_folder_get_class()
 937 {
 938         if( rssyl_class.idstr == NULL ) {
 939                 rssyl_class.type = F_UNKNOWN;
 940                 rssyl_class.idstr = "rssyl";
 941                 rssyl_class.uistr = "RSSyl";
 942
 943                 /* Folder functions */
 944                 rssyl_class.new_folder = rssyl_new_folder;
 945                 rssyl_class.destroy_folder = rssyl_destroy_folder;
 946                 rssyl_class.set_xml = folder_set_xml;
 947                 rssyl_class.get_xml = folder_get_xml;
 948                 rssyl_class.scan_tree = rssyl_scan_tree;
 949                 rssyl_class.create_tree = rssyl_create_tree;
 950
 951                 /* FolderItem functions */
 952                 rssyl_class.item_new = rssyl_item_new;
 953                 rssyl_class.item_destroy = rssyl_item_destroy;
 954                 rssyl_class.item_get_path = rssyl_item_get_path;
 955                 rssyl_class.create_folder = rssyl_create_folder;
 956                 rssyl_class.rename_folder = rssyl_rename_folder;
 957                 rssyl_class.remove_folder = rssyl_remove_folder;
 958                 rssyl_class.get_num_list = rssyl_get_num_list;
 959                 rssyl_class.scan_required = mh_get_class()->scan_required;
 960                 rssyl_class.item_set_xml = rssyl_item_set_xml;
 961                 rssyl_class.item_get_xml = rssyl_item_get_xml;
 962
 963                 /* Message functions */
 964                 rssyl_class.get_msginfo = rssyl_get_msginfo;
 965                 rssyl_class.fetch_msg = rssyl_fetch_msg;
 966                 rssyl_class.copy_msg = mh_get_class()->copy_msg;
 967                 rssyl_class.copy_msgs = mh_get_class()->copy_msgs;
 968                 rssyl_class.add_msg = rssyl_add_msg;
 969                 rssyl_class.add_msgs = rssyl_add_msgs;
 970                 rssyl_class.remove_msg = rssyl_remove_msg;
 971                 rssyl_class.remove_msgs = NULL;
 972                 rssyl_class.is_msg_changed = rssyl_is_msg_changed;
 973 //              rssyl_class.change_flags = rssyl_change_flags;
 974                 rssyl_class.change_flags = NULL;
 975                 rssyl_class.subscribe = rssyl_subscribe_uri;
 976                 rssyl_class.copy_private_data = rssyl_copy_private_data;
 977                 rssyl_class.search_msgs = folder_item_search_msgs_local;
 978         }
 979
 980         return &rssyl_class;
 981 }