22f2260b6f99fd9472a2bda178ae31a56e52c1e4
[claws.git] / 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", 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, PLUGIN_NAME, _("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, PLUGIN_NAME, _("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         const char *f;
207         GDir *dp;
208         GError *error = NULL;
209         gint max = 0;
210         gint num;
211
212         g_return_if_fail(item != NULL);
213
214         debug_print("rssyl_get_last_num(): Scanning %s ...\n", item->path);
215         path = folder_item_get_path(item);
216         g_return_if_fail(path != NULL);
217
218         if( (dp = g_dir_open(path, 0, &error)) == NULL ) {
219                 FILE_OP_ERROR(item->path, "g_dir_open");
220                 debug_print("g_dir_open() failed on \"%s\", error %d (%s).\n",
221                                 path, error->code, error->message);
222                 g_error_free(error);
223                 g_free(path);
224                 return;
225         }
226
227         g_free(path);
228
229         while( (f = g_dir_read_name(dp)) != NULL) {
230                 if ((num = to_number(f)) > 0 &&
231                                 g_file_test(f, G_FILE_TEST_IS_REGULAR)) {
232                         if( max < num )
233                                 max = num;
234                 }
235         }
236         g_dir_close(dp);
237
238         debug_print("Last number in dir %s = %d\n", item->path, max);
239         item->last_num = max;
240 }
241
242 static Folder *rssyl_new_folder(const gchar *name, const gchar *path)
243 {
244         Folder *folder;
245
246         debug_print("RSSyl: new_folder: %s (%s)\n", name, path);
247
248         rssyl_make_rc_dir();
249
250         folder = g_new0(Folder, 1);
251         FOLDER(folder)->klass = &rssyl_class;
252         folder_init(FOLDER(folder), name);
253
254         return FOLDER(folder);
255 }
256
257 static void rssyl_destroy_folder(Folder *folder)
258 {
259         folder_local_folder_destroy(LOCAL_FOLDER(folder));
260 }
261
262 static void rssyl_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
263 {
264         GList *cur;
265         RFolderItem *ritem = (RFolderItem *)item;
266
267         folder_item_set_xml(folder, item, tag);
268
269         for( cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
270                 XMLAttr *attr = (XMLAttr *) cur->data;
271
272                 if( !attr || !attr->name || !attr->value)
273                         continue;
274
275                 /* (str) URL */
276                 if( !strcmp(attr->name, "uri")) {
277                         g_free(ritem->url);
278                         ritem->url = g_strdup(attr->value);
279                 }
280                 /* (int) URL auth */
281                 if (!strcmp(attr->name, "auth")) {
282                         ritem->auth->type = atoi(attr->value);
283                 }
284                 /* (str) Auth user */
285                 if (!strcmp(attr->name, "auth_user")) {
286                         g_free(ritem->auth->username);
287                         ritem->auth->username = g_strdup(attr->value);
288                 }
289                 /* (str) Auth pass - save directly to password store */
290                 if (!strcmp(attr->name, "auth_pass")) {
291                         gsize len = 0;
292                         guchar *pwd = g_base64_decode(attr->value, &len);
293                         rssyl_passwd_set(ritem, (gchar *)pwd);
294                 }
295                 /* (str) Official title */
296                 if( !strcmp(attr->name, "official_title")) {
297                         g_free(ritem->official_title);
298                         ritem->official_title = g_strdup(attr->value);
299                 }
300                 /* (bool) Keep old items */
301                 if( !strcmp(attr->name, "keep_old"))
302                         ritem->keep_old = (atoi(attr->value) == 0 ? FALSE : TRUE );
303                 /* (bool) Use default refresh_interval */
304                 if( !strcmp(attr->name, "default_refresh_interval"))
305                         ritem->default_refresh_interval = (atoi(attr->value) == 0 ? FALSE : TRUE );
306                 /* (int) Refresh interval */
307                 if( !strcmp(attr->name, "refresh_interval"))
308                         ritem->refresh_interval = atoi(attr->value);
309                 /* (bool) Fetch comments */
310                 if( !strcmp(attr->name, "fetch_comments"))
311                         ritem->fetch_comments = (atoi(attr->value) == 0 ? FALSE : TRUE );
312                 /* (int) Max age of posts to fetch comments for */
313                 if( !strcmp(attr->name, "fetch_comments_max_age"))
314                         ritem->fetch_comments_max_age = atoi(attr->value);
315                 /* (bool) Write heading */
316                 if( !strcmp(attr->name, "write_heading"))
317                         ritem->write_heading = (atoi(attr->value) == 0 ? FALSE : TRUE );
318                 /* (int) Silent update */
319                 if( !strcmp(attr->name, "silent_update"))
320                         ritem->silent_update = atoi(attr->value);
321                 /* (bool) Ignore title rename */
322                 if( !strcmp(attr->name, "ignore_title_rename"))
323                         ritem->ignore_title_rename = (atoi(attr->value) == 0 ? FALSE : TRUE );
324                 /* (bool) Verify SSL peer  */
325                 if( !strcmp(attr->name, "ssl_verify_peer"))
326                         ritem->ssl_verify_peer = (atoi(attr->value) == 0 ? FALSE : TRUE );
327         }
328 }
329
330 static XMLTag *rssyl_item_get_xml(Folder *folder, FolderItem *item)
331 {
332         XMLTag *tag;
333         RFolderItem *ri = (RFolderItem *)item;
334         gchar *tmp = NULL;
335
336         tag = folder_item_get_xml(folder, item);
337
338         /* (str) URL */
339         if( ri->url != NULL )
340                 xml_tag_add_attr(tag, xml_attr_new("uri", ri->url));
341         /* (int) Auth */
342         tmp = g_strdup_printf("%d", ri->auth->type);
343         xml_tag_add_attr(tag, xml_attr_new("auth", tmp));
344         g_free(tmp);
345         /* (str) Auth user */
346         if (ri->auth->username != NULL)
347                 xml_tag_add_attr(tag, xml_attr_new("auth_user", ri->auth->username));
348         /* (str) Official title */
349         if( ri->official_title != NULL )
350                 xml_tag_add_attr(tag, xml_attr_new("official_title", ri->official_title));
351         /* (bool) Keep old items */
352         xml_tag_add_attr(tag, xml_attr_new("keep_old",
353                                 (ri->keep_old ? "1" : "0")) );
354         /* (bool) Use default refresh interval */
355         xml_tag_add_attr(tag, xml_attr_new("default_refresh_interval",
356                                 (ri->default_refresh_interval ? "1" : "0")) );
357         /* (int) Refresh interval */
358         tmp = g_strdup_printf("%d", ri->refresh_interval);
359         xml_tag_add_attr(tag, xml_attr_new("refresh_interval", tmp));
360         g_free(tmp);
361         /* (bool) Fetch comments */
362         xml_tag_add_attr(tag, xml_attr_new("fetch_comments",
363                                 (ri->fetch_comments ? "1" : "0")) );
364         /* (int) Max age of posts to fetch comments for */
365         tmp = g_strdup_printf("%d", ri->fetch_comments_max_age);
366         xml_tag_add_attr(tag, xml_attr_new("fetch_comments_max_age", tmp));
367         g_free(tmp);
368         /* (bool) Write heading */
369         xml_tag_add_attr(tag, xml_attr_new("write_heading",
370                                 (ri->write_heading ? "1" : "0")) );
371         /* (int) Silent update */
372         tmp = g_strdup_printf("%d", ri->silent_update);
373         xml_tag_add_attr(tag, xml_attr_new("silent_update", tmp));
374         g_free(tmp);
375         /* (bool) Ignore title rename */
376         xml_tag_add_attr(tag, xml_attr_new("ignore_title_rename",
377                                 (ri->ignore_title_rename ? "1" : "0")) );
378         /* (bool) Verify SSL peer */
379         xml_tag_add_attr(tag, xml_attr_new("ssl_verify_peer",
380                                 (ri->ssl_verify_peer ? "1" : "0")) );
381
382         return tag;
383 }
384
385 static gint rssyl_scan_tree(Folder *folder)
386 {
387         g_return_val_if_fail(folder != NULL, -1);
388
389         folder->outbox = NULL;
390         folder->draft = NULL;
391         folder->queue = NULL;
392         folder->trash = NULL;
393
394         debug_print("RSSyl: scanning tree\n");
395         rssyl_create_tree(folder);
396
397         return 0;
398 }
399
400 static gint rssyl_create_tree(Folder *folder)
401 {
402         FolderItem *rootitem;
403         GNode *rootnode;
404
405         g_return_val_if_fail(folder != NULL, -1);
406
407         rssyl_make_rc_dir();
408
409         if( !folder->node ) {
410                 rootitem = folder_item_new(folder, folder->name, NULL);
411                 rootitem->folder = folder;
412                 rootnode = g_node_new(rootitem);
413                 folder->node = rootnode;
414                 rootitem->node = rootnode;
415         }
416
417         debug_print("RSSyl: created new rssyl tree\n");
418         return 0;
419 }
420
421 static FolderItem *rssyl_item_new(Folder *folder)
422 {
423         RFolderItem *ritem = g_new0(RFolderItem, 1);
424
425         ritem->url = NULL;
426         ritem->auth = g_new0(FeedAuth, 1);
427         ritem->auth->type = FEED_AUTH_NONE;
428         ritem->auth->username = NULL;
429         ritem->auth->password = NULL;
430         ritem->official_title = NULL;
431         ritem->source_id = NULL;
432         ritem->items = NULL;
433         ritem->keep_old = FALSE;
434         ritem->default_refresh_interval = TRUE;
435         ritem->refresh_interval = atoi(PREF_DEFAULT_REFRESH);
436         ritem->fetch_comments = FALSE;
437         ritem->fetch_comments_max_age = -1;
438         ritem->write_heading = TRUE;
439         ritem->fetching_comments = FALSE;
440         ritem->silent_update = 0;
441         ritem->last_update = 0;
442         ritem->ignore_title_rename = FALSE;
443
444         return (FolderItem *)ritem;
445 }
446
447 static void rssyl_item_destroy(Folder *folder, FolderItem *item)
448 {
449         RFolderItem *ritem = (RFolderItem *)item;
450
451         g_return_if_fail(ritem != NULL);
452
453         g_free(ritem->url);
454         if (ritem->auth->username)
455                 g_free(ritem->auth->username);
456         if (ritem->auth->password)
457                 g_free(ritem->auth->password);
458         g_free(ritem->auth);
459         g_free(ritem->official_title);
460         g_slist_free(ritem->items);
461
462         /* Remove a scheduled refresh, if any */
463         if( ritem->refresh_id != 0)
464                 g_source_remove(ritem->refresh_id);
465
466         g_free(ritem);
467 }
468
469 static FolderItem *rssyl_create_folder(Folder *folder,
470                                                                 FolderItem *parent, const gchar *name)
471 {
472         gchar *path = NULL, *basepath = NULL, *itempath = NULL;
473         FolderItem *newitem = NULL;
474
475         g_return_val_if_fail(folder != NULL, NULL);
476         g_return_val_if_fail(parent != NULL, NULL);
477         g_return_val_if_fail(name != NULL, NULL);
478
479         path = folder_item_get_path(parent);
480         if( !is_dir_exist(path) ) {
481                 if( (make_dir_hier(path) != 0) ) {
482                         debug_print("RSSyl: Couldn't create directory (rec) '%s'\n", path);
483                         return NULL;
484                 }
485         }
486
487         basepath = g_strdelimit(g_strdup(name), G_DIR_SEPARATOR_S, '_');
488         path = g_strconcat(path, G_DIR_SEPARATOR_S, basepath, NULL);
489
490         if( make_dir(path) < 0 ) {
491                 debug_print("RSSyl: Couldn't create directory '%s'\n", path);
492                 g_free(path);
493                 g_free(basepath);
494                 return NULL;
495         }
496         g_free(path);
497
498         itempath = g_strconcat((parent->path ? parent->path : ""),
499                         G_DIR_SEPARATOR_S, basepath, NULL);
500         newitem = folder_item_new(folder, name, itempath);
501         g_free(itempath);
502         g_free(basepath);
503
504         folder_item_append(parent, newitem);
505
506         return newitem;
507 }
508
509 FolderItem *rssyl_get_root_folderitem(FolderItem *item)
510 {
511         FolderItem *i;
512
513         for( i = item; folder_item_parent(i) != NULL; i = folder_item_parent(i) ) { }
514         return i;
515 }
516
517 static gchar *rssyl_item_get_path(Folder *folder, FolderItem *item)
518 {
519         gchar *path, *name;
520
521         g_return_val_if_fail(folder != NULL, NULL);
522         g_return_val_if_fail(item != NULL, NULL);
523
524         name = folder_item_get_name(rssyl_get_root_folderitem(item));
525         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RSSYL_DIR,
526                         G_DIR_SEPARATOR_S, name, item->path, NULL);
527         g_free(name);
528
529         return path;
530 }
531
532 static gboolean rssyl_rename_folder_func(GNode *node, gpointer data)
533 {
534         FolderItem *item = node->data;
535         gchar **paths = data;
536         const gchar *oldpath = paths[0];
537         const gchar *newpath = paths[1];
538         gchar *base;
539         gchar *new_itempath;
540         gint oldpathlen;
541
542         oldpathlen = strlen(oldpath);
543         if (strncmp(oldpath, item->path, oldpathlen) != 0) {
544                 g_warning("path doesn't match: %s, %s", oldpath, item->path);
545                 return TRUE;
546         }
547
548         base = item->path + oldpathlen;
549         while (*base == G_DIR_SEPARATOR) base++;
550         if (*base == '\0')
551                 new_itempath = g_strdup(newpath);
552         else
553                 new_itempath = g_strconcat(newpath, G_DIR_SEPARATOR_S, base,
554                                 NULL);
555         g_free(item->path);
556         item->path = new_itempath;
557
558         return FALSE;
559 }
560
561 static gint rssyl_rename_folder(Folder *folder, FolderItem *item,
562                                 const gchar *name)
563 {
564         gchar *oldpath;
565         gchar *dirname;
566         gchar *newpath, *utf8newpath;
567         gchar *basenewpath;
568         gchar *paths[2];
569
570         g_return_val_if_fail(folder != NULL, -1);
571         g_return_val_if_fail(item != NULL, -1);
572         g_return_val_if_fail(item->path != NULL, -1);
573         g_return_val_if_fail(name != NULL, -1);
574
575         debug_print("RSSyl: rssyl_rename_folder '%s' -> '%s'\n",
576                         item->name, name);
577
578         if (!strcmp(item->name, name))
579                         return 0;
580
581         oldpath = folder_item_get_path(item);
582         if( !is_dir_exist(oldpath) )
583                 make_dir_hier(oldpath);
584
585         dirname = g_path_get_dirname(oldpath);
586         basenewpath = g_strdelimit(g_strdup(name), G_DIR_SEPARATOR_S, '_');
587         newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, basenewpath, NULL);
588         g_free(basenewpath);
589
590         if( g_rename(oldpath, newpath) < 0 ) {
591                 FILE_OP_ERROR(oldpath, "rename");
592                 g_free(oldpath);
593                 g_free(newpath);
594                 return -1;
595         }
596
597         g_free(oldpath);
598         g_free(newpath);
599
600         if( strchr(item->path, G_DIR_SEPARATOR) != NULL ) {
601                 dirname = g_path_get_dirname(item->path);
602                 utf8newpath = g_strconcat(dirname, G_DIR_SEPARATOR_S, name, NULL);
603                 g_free(dirname);
604         } else
605                 utf8newpath = g_strdup(name);
606
607         g_free(item->name);
608         item->name = g_strdup(name);
609
610         paths[0] = g_strdup(item->path);
611         paths[1] = utf8newpath;
612         g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
613                         rssyl_rename_folder_func, paths);
614
615         g_free(paths[0]);
616         g_free(paths[1]);
617
618         return 0;
619 }
620
621 static gint rssyl_remove_folder(Folder *folder, FolderItem *item)
622 {
623         gchar *path = NULL;
624
625         g_return_val_if_fail(folder != NULL, -1);
626         g_return_val_if_fail(item != NULL, -1);
627         g_return_val_if_fail(item->path != NULL, -1);
628         g_return_val_if_fail(item->stype == F_NORMAL, -1);
629
630         debug_print("RSSyl: removing folder item %s\n", item->path);
631
632         path = folder_item_get_path(item);
633         if( remove_dir_recursive(path) < 0 ) {
634                 g_warning("can't remove directory '%s'", path);
635                 g_free(path);
636                 return -1;
637         }
638
639         g_free(path);
640         folder_item_remove(item);
641
642         return 0;
643 }
644
645 static gint rssyl_get_num_list(Folder *folder, FolderItem *item,
646                 MsgNumberList **list, gboolean *old_uids_valid)
647 {
648         gchar *path;
649         GDir *dp;
650         const gchar *d;
651         GError *error = NULL;
652         gint num, nummsgs = 0;
653
654         g_return_val_if_fail(item != NULL, -1);
655
656         debug_print("RSSyl: get_num_list: scanning '%s'\n", item->path);
657
658         *old_uids_valid = TRUE;
659         
660         path = folder_item_get_path(item);
661         g_return_val_if_fail(path != NULL, -1);
662
663         if( (dp = g_dir_open(path, 0, &error)) == NULL ) {
664                 debug_print("g_dir_open() failed on \"%s\", error %d (%s).\n",
665                                 path, error->code, error->message);
666                 g_error_free(error);
667                 g_free(path);
668                 return -1;
669         }
670
671         g_free(path);
672
673         while( (d = g_dir_read_name(dp)) != NULL ) {
674                 if( (num = to_number(d)) > 0 ) {
675                         *list = g_slist_prepend(*list, GINT_TO_POINTER(num));
676                         nummsgs++;
677                 }
678         }
679         g_dir_close(dp);
680
681         debug_print("RSSyl: get_num_list: returning %d\n", nummsgs);
682
683         return nummsgs;
684 }
685
686 static gboolean rssyl_is_msg_changed(Folder *folder, FolderItem *item,
687                 MsgInfo *msginfo)
688 {
689         GStatBuf s;
690         gchar *path = NULL;
691         gchar *itempath = NULL;
692
693         g_return_val_if_fail(folder != NULL, FALSE);
694         g_return_val_if_fail(item != NULL, FALSE);
695         g_return_val_if_fail(msginfo != NULL, FALSE);
696
697         itempath = folder_item_get_path(item);
698         path = g_strconcat(itempath, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
699         g_free(itempath);
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", 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 = PLUGIN_NAME;
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 }