src/file_checker.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 2013-2022 the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <ctype.h>
  36
  37 #include "file-utils.h"
  38 #include "utils.h"
  39 #include "alertpanel.h"
  40 #include "folder.h"
  41
  42 static gboolean verify_folderlist_xml();
  43
  44 gboolean check_file_integrity()
  45 {
  46         if (verify_folderlist_xml() != TRUE)
  47                 return FALSE;
  48
  49         return TRUE;
  50 }
  51
  52 static gboolean verify_folderlist_xml()
  53 {
  54         GNode *node;
  55         static gchar *filename = NULL;
  56         static gchar *bak = NULL;
  57         time_t date;
  58         struct tm *ts;
  59         gchar buf[BUFFSIZE];
  60         gboolean fileexists, bakexists;
  61
  62         filename = folder_get_list_path();
  63
  64         fileexists = is_file_exist(filename);
  65
  66         bak = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
  67                           FOLDER_LIST, ".bak", NULL);
  68         bakexists = is_file_exist(bak);
  69
  70         if (bakexists) {
  71                 date = get_file_mtime(bak);
  72                 ts = localtime(&date);
  73                 strftime(buf, sizeof(buf), "%a %d-%b-%Y %H:%M %Z", ts);
  74         }
  75
  76         if (!fileexists && bakexists) {
  77                 AlertValue aval;
  78                 gchar *msg;
  79
  80                 msg = g_strdup_printf
  81                         (_("The file %s is missing! "
  82                            "Do you want to use the backup file from %s?"), FOLDER_LIST,buf);
  83                 aval = alertpanel(_("Warning"), msg, NULL, _("_No"), NULL, _("_Yes"),
  84                                   NULL, NULL, ALERTFOCUS_FIRST);
  85                 g_free(msg);
  86                 if (aval != G_ALERTALTERNATE)
  87                         return FALSE;
  88                 else {
  89                         if (copy_file(bak,filename,FALSE) < 0) {
  90                                 alertpanel_warning(_("Could not copy %s to %s"),bak,filename);
  91                                 return FALSE;
  92                         }
  93                         g_free(bak);
  94                         return TRUE;
  95                 }
  96         }
  97
  98         if (fileexists) {
  99                 node = xml_parse_file(filename);
 100                 if (!node && is_file_exist(bak)) {
 101                         AlertValue aval;
 102                         gchar *msg;
 103
 104                         msg = g_strdup_printf
 105                                 (_("The file %s is empty or corrupted! "
 106                                    "Do you want to use the backup file from %s?"), FOLDER_LIST,buf);
 107                         aval = alertpanel(_("Warning"), msg, NULL, _("_No"), NULL, _("_Yes"),
 108                                           NULL, NULL, ALERTFOCUS_FIRST);
 109                         g_free(msg);
 110                         if (aval != G_ALERTALTERNATE)
 111                                 return FALSE;
 112                         else {
 113                                 if (copy_file(bak,filename,FALSE) < 0) {
 114                                         alertpanel_warning(_("Could not copy %s to %s"),bak,filename);
 115                                         return FALSE;
 116                                 }
 117                                 g_free(bak);
 118                                 return TRUE;
 119                         }
 120                 }
 121                 xml_free_tree(node);
 122         }
 123
 124         return TRUE;
 125 }