src/plugins/att_remover/att_remover.c

   1 /*
   2  * att_remover -- for Claws Mail
   3  *
   4  * Copyright (C) 2005 Colin Leroy <colin@colino.net>
   5  *
   6  * Sylpheed is a GTK+ based, lightweight, and fast e-mail client
   7  * Copyright (C) 1999-2005 Hiroyuki Yamamoto and the Claws Mail Team
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include "config.h"
  26 #include "claws-features.h"
  27 #endif
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31
  32 #include <string.h>
  33
  34 #include <gdk/gdkkeysyms.h>
  35 #include <gtk/gtk.h>
  36
  37 #include "mainwindow.h"
  38 #include "summaryview.h"
  39 #include "folder.h"
  40 #include "version.h"
  41 #include "summaryview.h"
  42 #include "procmime.h"
  43 #include "alertpanel.h"
  44 #include "inc.h"
  45 #include "menu.h"
  46 #include "claws.h"
  47 #include "plugin.h"
  48 #include "prefs_common.h"
  49 #include "defs.h"
  50 #include "prefs_gtk.h"
  51
  52 #define PREFS_BLOCK_NAME "AttRemover"
  53
  54 static struct _AttRemover {
  55         GtkWidget       *window;
  56         MsgInfo         *msginfo;
  57         GtkTreeModel    *model;
  58         gint            win_width;
  59         gint            win_height;
  60 } AttRemoverData;
  61
  62 typedef struct _AttRemover AttRemover;
  63
  64 static PrefParam prefs[] = {
  65         {"win_width", "-1", &AttRemoverData.win_width, P_INT, NULL,
  66         NULL, NULL},
  67         {"win_height", "-1", &AttRemoverData.win_height, P_INT, NULL,
  68          NULL, NULL},
  69         {0,0,0,0}
  70 };
  71
  72 enum {
  73         ATT_REMOVER_INFO,
  74         ATT_REMOVER_TOGGLE,
  75         N_ATT_REMOVER_COLUMNS
  76 };
  77
  78 static MimeInfo *find_first_text_part(MimeInfo *partinfo)
  79 {
  80         while (partinfo && partinfo->type != MIMETYPE_TEXT) {
  81                 partinfo = procmime_mimeinfo_next(partinfo);
  82         }
  83
  84         return partinfo;
  85 }
  86
  87 static gboolean key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
  88                                 AttRemover *attremover)
  89 {
  90         if (event && event->keyval == GDK_Escape)
  91                 gtk_widget_destroy(attremover->window);
  92
  93         return FALSE;
  94 }
  95
  96 static void cancelled_event_cb(GtkWidget *widget, AttRemover *attremover)
  97 {
  98         gtk_widget_destroy(attremover->window);
  99 }
 100
 101 static void size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation)
 102 {
 103         cm_return_if_fail(allocation != NULL);
 104
 105         AttRemoverData.win_width = allocation->width;
 106         AttRemoverData.win_height = allocation->height;
 107 }
 108
 109 static gint save_new_message(MsgInfo *oldmsg, MsgInfo *newmsg, MimeInfo *info,
 110                                 gboolean has_attachment)
 111 {
 112         MsgInfo *finalmsg;
 113         FolderItem *item = oldmsg->folder;
 114         MsgFlags flags = {0, 0};
 115         gint msgnum = -1;
 116
 117         finalmsg = procmsg_msginfo_new_from_mimeinfo(newmsg, info);
 118         if (!finalmsg) {
 119                 procmsg_msginfo_free(newmsg);
 120                 return -1;
 121         }
 122
 123         debug_print("finalmsg %s\n", finalmsg->plaintext_file);
 124
 125         flags.tmp_flags = oldmsg->flags.tmp_flags;
 126         flags.perm_flags = oldmsg->flags.perm_flags;
 127
 128         if (!has_attachment)
 129                 flags.tmp_flags &= ~MSG_HAS_ATTACHMENT;
 130
 131         oldmsg->flags.perm_flags &= ~MSG_LOCKED;
 132         folder_item_remove_msg(item, oldmsg->msgnum);
 133         msgnum = folder_item_add_msg(item, finalmsg->plaintext_file,
 134                         &flags, TRUE);
 135         finalmsg->msgnum = msgnum;
 136         procmsg_msginfo_free(newmsg);
 137         procmsg_msginfo_free(finalmsg);
 138
 139         newmsg = folder_item_get_msginfo(item, msgnum);
 140         if (newmsg && item) {
 141                 procmsg_msginfo_unset_flags(newmsg, ~0, ~0);
 142                 procmsg_msginfo_set_flags(newmsg, flags.perm_flags, flags.tmp_flags);
 143                 procmsg_msginfo_free(newmsg);
 144         }
 145
 146         return msgnum;
 147 }
 148
 149 #define MIMEINFO_NOT_ATTACHMENT(m) \
 150         ((m)->type == MIMETYPE_MESSAGE || (m)->type == MIMETYPE_MULTIPART)
 151
 152 static void remove_attachments_cb(GtkWidget *widget, AttRemover *attremover)
 153 {
 154         MainWindow *mainwin = mainwindow_get_mainwindow();
 155         SummaryView *summaryview = mainwin->summaryview;
 156         GtkTreeModel *model = attremover->model;
 157         GtkTreeIter iter;
 158         MsgInfo *newmsg;
 159         MimeInfo *info, *parent, *last, *partinfo;
 160         GNode *child;
 161         gint att_all = 0, att_removed = 0, msgnum;
 162         gboolean to_removal, iter_valid=TRUE;
 163
 164         newmsg = procmsg_msginfo_copy(attremover->msginfo);
 165         info = procmime_scan_message(newmsg);
 166
 167         last = partinfo = find_first_text_part(info);
 168         partinfo = procmime_mimeinfo_next(partinfo);
 169         if (!partinfo || !gtk_tree_model_get_iter_first(model, &iter)) {
 170                 gtk_widget_destroy(attremover->window);
 171                 procmsg_msginfo_free(newmsg);
 172                 return;
 173         }
 174
 175         main_window_cursor_wait(mainwin);
 176         gtk_cmclist_freeze(GTK_CMCLIST(summaryview->ctree));
 177         folder_item_update_freeze();
 178         inc_lock();
 179
 180         while (partinfo && iter_valid) {
 181                 if (MIMEINFO_NOT_ATTACHMENT(partinfo)) {
 182                         last = partinfo;
 183                         partinfo = procmime_mimeinfo_next(partinfo);
 184                         continue;
 185                 }
 186
 187                 att_all++;
 188                 gtk_tree_model_get(model, &iter, ATT_REMOVER_TOGGLE,
 189                                    &to_removal, -1);
 190                 if (!to_removal) {
 191                         last = partinfo;
 192                         partinfo = procmime_mimeinfo_next(partinfo);
 193                         iter_valid = gtk_tree_model_iter_next(model, &iter);
 194                         continue;
 195                 }
 196
 197                 parent = partinfo;
 198                 partinfo = procmime_mimeinfo_next(partinfo);
 199                 iter_valid = gtk_tree_model_iter_next(model, &iter);
 200
 201                 g_node_destroy(parent->node);
 202                 att_removed++;
 203         }
 204
 205         partinfo = last;
 206         while (partinfo) {
 207                 if (!(parent = procmime_mimeinfo_parent(partinfo)))
 208                         break;
 209
 210                 /* multipart/{alternative,mixed,related} make sense
 211                    only when they have at least 2 nodes, remove last
 212                    one and move it one level up if otherwise  */
 213                 if (MIMEINFO_NOT_ATTACHMENT(partinfo) &&
 214                         g_node_n_children(partinfo->node) < 2)
 215                 {
 216                         gint pos = g_node_child_position(parent->node, partinfo->node);
 217                         g_node_unlink(partinfo->node);
 218
 219                         if ((child = g_node_first_child(partinfo->node))) {
 220                                 g_node_unlink(child);
 221                                 g_node_insert(parent->node, pos, child);
 222                         }
 223                         g_node_destroy(partinfo->node);
 224
 225                         child = g_node_last_child(parent->node);
 226                         partinfo = child ? child->data : parent;
 227                         continue;
 228                 }
 229
 230                 if (partinfo->node->prev) {
 231                         partinfo = (MimeInfo *) partinfo->node->prev->data;
 232                         if (partinfo->node->children) {
 233                                 child = g_node_last_child(partinfo->node);
 234                                 partinfo = (MimeInfo *) child->data;
 235                         }
 236                 } else if (partinfo->node->parent)
 237                         partinfo = (MimeInfo *) partinfo->node->parent->data;
 238         }
 239
 240         msgnum = save_new_message(attremover->msginfo, newmsg, info,
 241                          (att_all - att_removed > 0));
 242
 243         inc_unlock();
 244         folder_item_update_thaw();
 245         gtk_cmclist_thaw(GTK_CMCLIST(summaryview->ctree));
 246         main_window_cursor_normal(mainwin);
 247
 248         if (msgnum > 0)
 249                 summary_select_by_msgnum(summaryview, msgnum);
 250
 251         gtk_widget_destroy(attremover->window);
 252 }
 253
 254 static void remove_toggled_cb(GtkCellRendererToggle *cell, gchar *path_str,
 255                                 gpointer data)
 256 {
 257         GtkTreeModel *model = (GtkTreeModel *)data;
 258         GtkTreeIter  iter;
 259         GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
 260         gboolean fixed;
 261
 262         gtk_tree_model_get_iter (model, &iter, path);
 263         gtk_tree_model_get (model, &iter, ATT_REMOVER_TOGGLE, &fixed, -1);
 264
 265         fixed ^= 1;
 266         gtk_list_store_set (GTK_LIST_STORE (model), &iter, ATT_REMOVER_TOGGLE, fixed, -1);
 267
 268         gtk_tree_path_free (path);
 269 }
 270
 271 static void fill_attachment_store(GtkTreeView *list_view, MimeInfo *partinfo)
 272 {
 273         const gchar *name;
 274         gchar *label, *content_type;
 275         GtkTreeIter iter;
 276         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 277                                         (GTK_TREE_VIEW(list_view)));
 278
 279         partinfo = find_first_text_part(partinfo);
 280         partinfo = procmime_mimeinfo_next(partinfo);
 281         if (!partinfo)
 282                 return;
 283
 284         while (partinfo) {
 285                 if (MIMEINFO_NOT_ATTACHMENT(partinfo)) {
 286                         partinfo = procmime_mimeinfo_next(partinfo);
 287                         continue;
 288                 }
 289
 290                 content_type = procmime_get_content_type_str(
 291                                         partinfo->type, partinfo->subtype);
 292
 293                 name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 294                 if (!name)
 295                         name = procmime_mimeinfo_get_parameter(partinfo, "name");
 296                 if (!name)
 297                         name = _("unknown");
 298
 299                 label = g_strconcat(_("<b>Type: </b>"), content_type, "   ",
 300                         _("<b>Size: </b>"), to_human_readable((goffset)partinfo->length),
 301                         "\n", _("<b>Filename: </b>"), name, NULL);
 302
 303                 gtk_list_store_append(list_store, &iter);
 304                 gtk_list_store_set(list_store, &iter,
 305                                    ATT_REMOVER_INFO, label,
 306                                    ATT_REMOVER_TOGGLE, TRUE,
 307                                    -1);
 308                 g_free(label);
 309                 g_free(content_type);
 310                 partinfo = procmime_mimeinfo_next(partinfo);
 311         }
 312 }
 313
 314 static void remove_attachments_dialog(AttRemover *attremover)
 315 {
 316         GtkWidget *window;
 317         GtkWidget *vbox;
 318         GtkTreeView *list_view;
 319         GtkTreeModel *model;
 320         GtkTreeViewColumn *column;
 321         GtkCellRenderer *renderer;
 322         GtkWidget *scrollwin;
 323         GtkWidget *hbbox;
 324         GtkWidget *ok_btn;
 325         GtkWidget *cancel_btn;
 326         MimeInfo *info = procmime_scan_message(attremover->msginfo);
 327
 328         static GdkGeometry geometry;
 329
 330         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "AttRemover");
 331         gtk_container_set_border_width( GTK_CONTAINER(window), VBOX_BORDER);
 332         gtk_window_set_title(GTK_WINDOW(window), _("Remove attachments"));
 333         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 334         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 335
 336         g_signal_connect(G_OBJECT(window), "delete_event",
 337                           G_CALLBACK(cancelled_event_cb), attremover);
 338         g_signal_connect(G_OBJECT(window), "key_press_event",
 339                           G_CALLBACK(key_pressed_cb), attremover);
 340         g_signal_connect(G_OBJECT(window), "size_allocate",
 341                          G_CALLBACK(size_allocate_cb), NULL);
 342
 343         vbox = gtk_vbox_new(FALSE, VBOX_BORDER);
 344         gtk_container_add(GTK_CONTAINER(window), vbox);
 345
 346         model = GTK_TREE_MODEL(gtk_list_store_new(N_ATT_REMOVER_COLUMNS,
 347                                   G_TYPE_STRING,
 348                                   G_TYPE_BOOLEAN,
 349                                   -1));
 350         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 351         g_object_unref(model);
 352         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 353
 354         renderer = gtk_cell_renderer_toggle_new();
 355         g_signal_connect(renderer, "toggled", G_CALLBACK(remove_toggled_cb), model);
 356         column = gtk_tree_view_column_new_with_attributes
 357                 (_("Remove"),
 358                 renderer,
 359                 "active", ATT_REMOVER_TOGGLE,
 360                 NULL);
 361         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 362
 363         renderer = gtk_cell_renderer_text_new();
 364         column = gtk_tree_view_column_new_with_attributes
 365                 (_("Attachment"),
 366                  renderer,
 367                  "markup", ATT_REMOVER_INFO,
 368                  NULL);
 369         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 370         fill_attachment_store(list_view, info);
 371
 372         scrollwin = gtk_scrolled_window_new(NULL, NULL);
 373         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrollwin),
 374                                 GTK_SHADOW_ETCHED_OUT);
 375         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrollwin),
 376                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 377         gtk_container_add(GTK_CONTAINER(scrollwin), GTK_WIDGET(list_view));
 378         gtk_container_set_border_width(GTK_CONTAINER(scrollwin), 4);
 379         gtk_box_pack_start(GTK_BOX(vbox), scrollwin, TRUE, TRUE, 0);
 380
 381         gtkut_stock_button_set_create(&hbbox, &cancel_btn, GTK_STOCK_CANCEL,
 382                                       &ok_btn, GTK_STOCK_OK,
 383                                       NULL, NULL);
 384         gtk_box_pack_end(GTK_BOX(vbox), hbbox, FALSE, FALSE, 0);
 385         gtk_container_set_border_width(GTK_CONTAINER(hbbox), HSPACING_NARROW);
 386         gtk_widget_grab_default(ok_btn);
 387
 388         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 389                          G_CALLBACK(remove_attachments_cb), attremover);
 390         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 391                          G_CALLBACK(cancelled_event_cb), attremover);
 392
 393         if (!geometry.min_height) {
 394                 geometry.min_width = 450;
 395                 geometry.min_height = 350;
 396         }
 397
 398         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 399                                       GDK_HINT_MIN_SIZE);
 400         gtk_widget_set_size_request(window, attremover->win_width,
 401                                         attremover->win_height);
 402
 403         attremover->window = window;
 404         attremover->model  = model;
 405
 406         gtk_widget_show_all(window);
 407         gtk_widget_grab_focus(ok_btn);
 408 }
 409
 410 static void remove_attachments(GSList *msglist)
 411 {
 412         MainWindow *mainwin = mainwindow_get_mainwindow();
 413         SummaryView *summaryview = mainwin->summaryview;
 414         GSList *cur;
 415         gint msgnum = -1;
 416
 417         if (alertpanel_full(_("Destroy attachments"),
 418                   _("Do you really want to remove all attachments from "
 419                   "the selected messages?\n\n"
 420                   "The deleted data will be unrecoverable."),
 421                   GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL,
 422                   FALSE, NULL, ALERT_QUESTION, G_ALERTALTERNATE) != G_ALERTALTERNATE)
 423                 return;
 424
 425         main_window_cursor_wait(summaryview->mainwin);
 426         gtk_cmclist_freeze(GTK_CMCLIST(summaryview->ctree));
 427         folder_item_update_freeze();
 428         inc_lock();
 429
 430         for (cur = msglist; cur; cur = cur->next) {
 431                 MsgInfo *msginfo = (MsgInfo *)cur->data;
 432                 MsgInfo *newmsg = NULL;
 433                 MimeInfo *info = NULL;
 434                 MimeInfo *partinfo = NULL;
 435
 436                 if (!msginfo)
 437                         continue;
 438
 439                 newmsg = procmsg_msginfo_copy(msginfo);
 440                 info = procmime_scan_message(newmsg);
 441
 442                 if ( !(partinfo = find_first_text_part(info)) ) {
 443                         procmsg_msginfo_free(newmsg);
 444                         continue;
 445                 }
 446                 partinfo->node->next = NULL;
 447                 partinfo->node->children = NULL;
 448                 info->node->children->data = partinfo;
 449
 450                 msgnum = save_new_message(msginfo, newmsg, info, FALSE);
 451         }
 452
 453         inc_unlock();
 454         folder_item_update_thaw();
 455         gtk_cmclist_thaw(GTK_CMCLIST(summaryview->ctree));
 456         main_window_cursor_normal(summaryview->mainwin);
 457
 458         if (msgnum > 0) {
 459                 summary_select_by_msgnum(summaryview, msgnum);
 460         }
 461 }
 462
 463 static void remove_attachments_ui(GtkAction *action, gpointer data)
 464 {
 465         MainWindow *mainwin = mainwindow_get_mainwindow();
 466         GSList *msglist = summary_get_selected_msg_list(mainwin->summaryview);
 467         MimeInfo *info = NULL, *partinfo = NULL;
 468
 469         if (summary_is_locked(mainwin->summaryview) || !msglist)
 470                 return;
 471
 472         if (g_slist_length(msglist) == 1) {
 473                 info = procmime_scan_message(msglist->data);
 474
 475                 partinfo = find_first_text_part(info);
 476                 partinfo = procmime_mimeinfo_next(partinfo);
 477
 478                 if (!partinfo) {
 479                         alertpanel_notice(_("This message doesn't have any attachments."));
 480                         g_slist_free(msglist);
 481                         return;
 482                 }
 483
 484                 AttRemoverData.msginfo = msglist->data;
 485                 remove_attachments_dialog(&AttRemoverData);
 486         } else
 487                 remove_attachments(msglist);
 488
 489         g_slist_free(msglist);
 490 }
 491
 492 static GtkActionEntry remove_att_main_menu[] = {{
 493         "Message/RemoveAtt",
 494         NULL, N_("Remove attachments..."), NULL, NULL, G_CALLBACK(remove_attachments_ui)
 495 }};
 496
 497 static guint context_menu_id = 0;
 498 static guint main_menu_id = 0;
 499
 500 gint plugin_init(gchar **error)
 501 {
 502         MainWindow *mainwin = mainwindow_get_mainwindow();
 503         gchar *rcpath;
 504
 505         if( !check_plugin_version(MAKE_NUMERIC_VERSION(3,6,1,27),
 506                                 VERSION_NUMERIC, _("AttRemover"), error) )
 507                 return -1;
 508
 509         gtk_action_group_add_actions(mainwin->action_group, remove_att_main_menu,
 510                         1, (gpointer)mainwin);
 511         MENUITEM_ADDUI_ID_MANAGER(mainwin->ui_manager, "/Menu/Message", "RemoveAtt",
 512                           "Message/RemoveAtt", GTK_UI_MANAGER_MENUITEM,
 513                           main_menu_id)
 514         MENUITEM_ADDUI_ID_MANAGER(mainwin->ui_manager, "/Menus/SummaryViewPopup", "RemoveAtt",
 515                           "Message/RemoveAtt", GTK_UI_MANAGER_MENUITEM,
 516                           context_menu_id)
 517
 518         prefs_set_default(prefs);
 519         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 520         prefs_read_config(prefs, PREFS_BLOCK_NAME, rcpath, NULL);
 521         g_free(rcpath);
 522
 523         return 0;
 524 }
 525
 526 gboolean plugin_done(void)
 527 {
 528         MainWindow *mainwin = mainwindow_get_mainwindow();
 529         PrefFile *pref_file;
 530         gchar *rc_file_path;
 531
 532         rc_file_path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 533                                    COMMON_RC, NULL);
 534         pref_file = prefs_write_open(rc_file_path);
 535         g_free(rc_file_path);
 536
 537         if (!pref_file || prefs_set_block_label(pref_file, PREFS_BLOCK_NAME) < 0)
 538                 return TRUE;
 539
 540         if (prefs_write_param(prefs, pref_file->fp) < 0) {
 541                 g_warning("failed to write AttRemover Plugin configuration\n");
 542                 prefs_file_close_revert(pref_file);
 543                 return TRUE;
 544         }
 545
 546         if (fprintf(pref_file->fp, "\n") < 0) {
 547                 FILE_OP_ERROR(rc_file_path, "fprintf");
 548                 prefs_file_close_revert(pref_file);
 549         } else
 550                 prefs_file_close(pref_file);
 551
 552         if (mainwin == NULL)
 553                 return TRUE;
 554
 555         MENUITEM_REMUI_MANAGER(mainwin->ui_manager,mainwin->action_group, "Message/RemoveAtt", main_menu_id);
 556         main_menu_id = 0;
 557
 558         MENUITEM_REMUI_MANAGER(mainwin->ui_manager,mainwin->action_group, "Message/RemoveAtt", context_menu_id);
 559         context_menu_id = 0;
 560
 561         return TRUE;
 562 }
 563
 564 const gchar *plugin_name(void)
 565 {
 566         return _("AttRemover");
 567 }
 568
 569 const gchar *plugin_desc(void)
 570 {
 571         return _("This plugin removes attachments from mails.\n\n"
 572                  "Warning: this operation will be completely "
 573                  "un-cancellable and the deleted attachments will "
 574                  "be lost forever, and ever, and ever.");
 575 }
 576
 577 const gchar *plugin_type(void)
 578 {
 579         return "GTK2";
 580 }
 581
 582 const gchar *plugin_licence(void)
 583 {
 584                 return "GPL3+";
 585 }
 586
 587 const gchar *plugin_version(void)
 588 {
 589         return VERSION;
 590 }
 591
 592 struct PluginFeature *plugin_provides(void)
 593 {
 594         static struct PluginFeature features[] =
 595                 { {PLUGIN_UTILITY, N_("Attachment handling")},
 596                   {PLUGIN_NOTHING, NULL}};
 597         return features;
 598 }