/*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <unistd.h>
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#include <stdlib.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include "mail/em-config.h"
#include "mail/em-account-editor.h"
#include "e-util/e-alert-dialog.h"
#include "e-util/e-util.h"
#include "e-util/e-dialog-utils.h"
#include "shell/e-shell-utils.h"
#include "shell/e-shell-window.h"
#ifdef G_OS_WIN32
#ifdef localtime_r
#undef localtime_r
#endif
/* The localtime() in Microsoft's C library *is* thread-safe */
#define localtime_r(timep, result) (localtime (timep) ? memcpy ((result), localtime (timep), sizeof (*(result))) : 0)
#endif
gboolean e_plugin_ui_init (GtkUIManager *ui_manager,
EShellWindow *shell_window);
GtkWidget * backup_restore_page (EPlugin *ep, EConfigHookItemFactoryData *hook_data);
void backup_restore_commit (EPlugin *ep, EMConfigTargetAccount *target);
void backup_restore_abort (EPlugin *ep, EMConfigTargetAccount *target);
typedef enum _br_flags {
BR_OK = 1<<0,
BR_START = 1<<1
}br_flags;
gint e_plugin_lib_enable (EPlugin *ep, gint enable);
gint
e_plugin_lib_enable (EPlugin *ep, gint enable)
{
return 0;
}
static void
backup (const gchar *filename, gboolean restart)
{
if (restart)
execl (EVOLUTION_TOOLSDIR "/evolution-backup", "evolution-backup", "--gui", "--backup", "--restart", filename, (gchar *)NULL);
else
execl (EVOLUTION_TOOLSDIR "/evolution-backup", "evolution-backup", "--gui", "--backup", filename, (gchar *)NULL);
}
static void
restore (const gchar *filename, gboolean restart)
{
if (restart)
execl (EVOLUTION_TOOLSDIR "/evolution-backup", "evolution-backup", "--gui", "--restore", "--restart", filename, (gchar *)NULL);
else
execl (EVOLUTION_TOOLSDIR "/evolution-backup", "evolution-backup", "--gui", "--restore", filename, (gchar *)NULL);
}
static gboolean
sanity_check (const gchar *filename)
{
gchar *command;
gint result;
gchar *quotedfname, *toolfname;
quotedfname = g_shell_quote (filename);
toolfname = g_build_filename (EVOLUTION_TOOLSDIR, "evolution-backup", NULL);
command = g_strdup_printf("%s --check %s", toolfname, quotedfname);
result = system (command);
g_free (command);
g_free (quotedfname);
g_free (toolfname);
#ifdef HAVE_SYS_WAIT_H
g_message ("Sanity check result %d:%d %d", WIFEXITED (result), WEXITSTATUS (result), result);
return WIFEXITED (result) && (WEXITSTATUS (result) == 0);
#else
return result;
#endif
}
static guint32
dialog_prompt_user (GtkWindow *parent, const gchar *string, const gchar *tag, ...)
{
GtkWidget *dialog;
GtkWidget *check = NULL;
GtkWidget *container;
va_list ap;
gint button;
guint32 mask = 0;
EAlert *alert = NULL;
va_start (ap, tag);
alert = e_alert_new_valist (tag, ap);
va_end (ap);
dialog = e_alert_dialog_new (parent, alert);
g_object_unref (alert);
container = e_alert_dialog_get_content_area (E_ALERT_DIALOG (dialog));
check = gtk_check_button_new_with_mnemonic (string);
/* We should hardcode this to true */
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE);
gtk_box_pack_start (GTK_BOX (container), check, FALSE, FALSE, 0);
gtk_widget_show (check);
button = gtk_dialog_run (GTK_DIALOG (dialog));
if (button == GTK_RESPONSE_YES)
mask |= BR_OK;
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)))
mask |= BR_START;
gtk_widget_destroy (dialog);
return mask;
}
static void
set_local_only (GtkFileChooser *file_chooser)
{
/* XXX Has to be a local file, since the backup utility
* takes a filename argument, not a URI. */
gtk_file_chooser_set_local_only (file_chooser, TRUE);
}
static gchar *
suggest_file_name (void)
{
time_t t;
struct tm tm;
t = time (NULL);
localtime_r (&t, &tm);
return g_strdup_printf ("evolution-backup-%04d%02d%02d.tar.gz", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
}
static void
action_settings_backup_cb (GtkAction *action,
EShellWindow *shell_window)
{
GFile *file;
GFile *parent;
GFileInfo *file_info;
const gchar *attribute;
GError *error = NULL;
gchar *suggest;
suggest = suggest_file_name ();
file = e_shell_run_save_dialog (
e_shell_window_get_shell (shell_window),
_("Select name of the Evolution backup file"),
suggest, "*.tar.gz", (GtkCallback)
set_local_only, NULL);
g_free (suggest);
if (file == NULL)
return;
/* Make sure the parent directory can be written to. */
parent = g_file_get_parent (file);
attribute = G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE;
/* XXX The query operation blocks the main loop but we
* know it's a local file, so let it slide for now. */
file_info = g_file_query_info (
parent, attribute, G_FILE_QUERY_INFO_NONE, NULL, &error);
g_object_unref (parent);
if (error != NULL) {
g_warning ("%s", error->message);
g_error_free (error);
return;
}
if (g_file_info_get_attribute_boolean (file_info, attribute)) {
guint32 mask;
gchar *path;
mask = dialog_prompt_user (
GTK_WINDOW (shell_window),
_("_Restart Evolution after backup"),
"org.gnome.backup-restore:backup-confirm", NULL);
if (mask & BR_OK) {
path = g_file_get_path (file);
backup (path, (mask & BR_START) ? TRUE: FALSE);
g_free (path);
}
} else {
e_alert_run_dialog_for_args (
GTK_WINDOW (shell_window),
"org.gnome.backup-restore:insufficient-permissions", NULL);
}
g_object_unref (file_info);
g_object_unref (file);
}
static void
action_settings_restore_cb (GtkAction *action,
EShellWindow *shell_window)
{
GFile *file;
gchar *path;
file = e_shell_run_open_dialog (
e_shell_window_get_shell (shell_window),
_("Select name of the Evolution backup file to restore"),
(GtkCallback) set_local_only, NULL);
if (file == NULL)
return;
path = g_file_get_path (file);
if (sanity_check (path)) {
guint32 mask;
mask = dialog_prompt_user (
GTK_WINDOW (shell_window),
_("_Restart Evolution after restore"),
"org.gnome.backup-restore:restore-confirm", NULL);
if (mask & BR_OK)
restore (path, mask & BR_START);
} else {
e_alert_run_dialog_for_args (
GTK_WINDOW (shell_window),
"org.gnome.backup-restore:invalid-backup", NULL);
}
g_object_unref (file);
g_free (path);
}
static void
check_toggled (GtkToggleButton *button, GtkAssistant *assistant)
{
GtkWidget *box = g_object_get_data ((GObject *)button, "box");
gboolean state = gtk_toggle_button_get_active ((GtkToggleButton *) button);
gtk_widget_set_sensitive (box, state);
g_object_set_data ((GObject *)assistant, "restore", GINT_TO_POINTER (state?1:0));
e_config_target_changed ((EConfig *) g_object_get_data ((GObject *)assistant, "restore-config"), E_CONFIG_TARGET_CHANGED_STATE);
}
static void
file_changed (GtkFileChooser *chooser, GtkAssistant *assistant)
{
gchar *file = NULL, *prevfile = NULL;
file = gtk_file_chooser_get_filename (chooser);
prevfile = g_object_get_data ((GObject *)assistant, "restore-file");
g_object_set_data ((GObject *)assistant, "restore-file", file);
g_free (prevfile);
e_config_target_changed ((EConfig *) g_object_get_data ((GObject *)assistant, "restore-config"), E_CONFIG_TARGET_CHANGED_STATE);
}
static gboolean
backup_restore_check (EConfig *ec, const gchar *pageid, gpointer data)
{
GtkAssistant *assistant = data;
gint do_restore;
gchar *file;
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (GTK_IS_ASSISTANT (data), FALSE);
do_restore = GPOINTER_TO_INT (g_object_get_data ((GObject *)assistant, "restore"));
file = g_object_get_data ((GObject *)assistant, "restore-file");
e_config_set_page_is_finish (ec, "0.startup_page.10.backup_restore", do_restore);
return !do_restore || file;
}
GtkWidget *
backup_restore_page (EPlugin *ep, EConfigHookItemFactoryData *hook_data)
{
GtkWidget *page, *hbox, *label, *cbox, *button;
GtkAssistant *assistant = GTK_ASSISTANT (hook_data->parent);
page = gtk_vbox_new (FALSE, 6);
gtk_container_set_border_width (GTK_CONTAINER (page), 12);
hbox = gtk_hbox_new (FALSE, 6);
label = gtk_label_new (_("You can restore Evolution from your backup. It can restore all the Mails, Calendars, Tasks, Memos, Contacts. It also restores all your personal settings, mail filters etc."));
gtk_label_set_line_wrap ((GtkLabel *) label, TRUE);
gtk_label_set_single_line_mode ((GtkLabel *) label, FALSE);
gtk_box_pack_start ((GtkBox *) hbox, label, FALSE, FALSE, 6);
gtk_box_pack_start ((GtkBox *) page, hbox, FALSE, FALSE, 0);
hbox = gtk_hbox_new (FALSE, 6);
cbox = gtk_check_button_new_with_mnemonic (_("_Restore Evolution from the backup file"));
g_signal_connect (cbox, "toggled", G_CALLBACK (check_toggled), assistant);
gtk_box_pack_start ((GtkBox *) hbox, cbox, FALSE, FALSE, 6);
gtk_box_pack_start ((GtkBox *) page, hbox, FALSE, FALSE, 0);
hbox = gtk_hbox_new (FALSE, 6);
g_object_set_data ((GObject *)cbox, "box", hbox);
label = gtk_label_new (_("Please select an Evolution Archive to restore:"));
gtk_box_pack_start ((GtkBox *) hbox, label, FALSE, FALSE, 12);
button = gtk_file_chooser_button_new (_("Choose a file to restore"), GTK_FILE_CHOOSER_ACTION_OPEN);
g_signal_connect (button, "selection-changed", G_CALLBACK (file_changed), assistant);
gtk_file_chooser_button_set_width_chars ((GtkFileChooserButton *) button, 20);
gtk_box_pack_start ((GtkBox *) hbox, button, FALSE, FALSE, 0);
gtk_box_pack_start ((GtkBox *) page, hbox, FALSE, FALSE, 0);
gtk_widget_set_sensitive (hbox, FALSE);
gtk_assistant_append_page (assistant, page);
gtk_assistant_set_page_title (assistant, page, _("Restore from backup"));
gtk_widget_show_all (page);
g_object_set_data ((GObject *)assistant, "restore", GINT_TO_POINTER (FALSE));
g_object_set_data ((GObject *)assistant, "restore-config", hook_data->config);
e_config_add_page_check (hook_data->config, "0.startup_page.10.backup_restore", backup_restore_check, assistant);
return GTK_WIDGET (page);
}
void
backup_restore_commit (EPlugin *ep, EMConfigTargetAccount *target)
{
GtkWidget *assistant = target->target.config->widget;
gboolean state = GPOINTER_TO_INT (g_object_get_data ((GObject *)assistant, "restore")) ? TRUE : FALSE;
gchar *file = g_object_get_data ((GObject *)assistant, "restore-file");
if (state) {
if (!file || !sanity_check (file)) {
e_alert_run_dialog_for_args ((GtkWindow *) assistant,
"org.gnome.backup-restore:invalid-backup",
NULL);
} else {
restore (file, TRUE);
}
}
}
void
backup_restore_abort (EPlugin *ep, EMConfigTargetAccount *target)
{
/* Nothing really */
}
static GtkActionEntry entries[] = {
{ "settings-backup",
NULL,
N_("_Back up Evolution Data..."),
NULL,
N_("Back up Evolution data and settings to an archive file"),
G_CALLBACK (action_settings_backup_cb) },
{ "settings-restore",
NULL,
N_("R_estore Evolution Data..."),
NULL,
N_("Restore Evolution data and settings from an archive file"),
G_CALLBACK (action_settings_restore_cb) }
};
gboolean
e_plugin_ui_init (GtkUIManager *ui_manager,
EShellWindow *shell_window)
{
GtkActionGroup *action_group;
action_group = e_shell_window_get_action_group (shell_window, "shell");
/* Add actions to the "shell" action group. */
gtk_action_group_add_actions (
action_group, entries,
G_N_ELEMENTS (entries), shell_window);
return TRUE;
}
