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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* Copyright (C) 2004 Novell, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/* exchange-change-password: Change Password code */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "exchange-change-password.h"
#include <exchange-account.h>
#include <e2k-utils.h>

#include <glade/glade-xml.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtkentry.h>
#include <gtk/gtklabel.h>

#define FILENAME EVOLUTION_GLADEDIR "/exchange-change-password.glade"
#define ROOTNODE "pass_dialog"
#define STARTNODE "pass_vbox"

static void
entry_changed (GtkEntry *entry, gpointer user_data)
{
    GladeXML *xml = user_data;
    GtkEntry *new_entry, *confirm_entry;
    GtkWidget *ok_button;
    const char *text;

        new_entry = GTK_ENTRY (glade_xml_get_widget (xml, "new_pass_entry"));
        confirm_entry = GTK_ENTRY (glade_xml_get_widget (xml, "confirm_pass_entry"));
    ok_button = glade_xml_get_widget (xml, "okbutton1");

    text = gtk_entry_get_text (new_entry);
    if (!text || !*text) {
        gtk_widget_set_sensitive (ok_button, FALSE);
        return;
    }

    text = gtk_entry_get_text (confirm_entry);
    if (!text || !*text) {
        gtk_widget_set_sensitive (ok_button, FALSE);
        return;
    }

    gtk_widget_set_sensitive (ok_button, TRUE);
}

/**
 * exchange_get_new_password:
 * @existing_password: The user's current password
 * @voluntary: %TRUE if the user has chosen "Change Password",
 * %FALSE if their old password has expired.
 *
 * Prompt the user for a new password.
 */
char *
exchange_get_new_password (const char *existing_password, gboolean voluntary)
{
    GladeXML *xml;
    GtkWidget *top_widget;
    GtkEntry *cur_entry, *new_entry, *confirm_entry;
    GtkResponseType response;
    GtkLabel *top_label;
    char *new_pass;

    xml = glade_xml_new (FILENAME, ROOTNODE, NULL);
    top_widget = glade_xml_get_widget (xml, ROOTNODE);

        cur_entry = GTK_ENTRY (glade_xml_get_widget (xml, "current_pass_entry"));
        new_entry = GTK_ENTRY (glade_xml_get_widget (xml, "new_pass_entry"));
    g_signal_connect (new_entry, "changed",
              G_CALLBACK (entry_changed), xml);
        confirm_entry = GTK_ENTRY (glade_xml_get_widget (xml, "confirm_pass_entry"));
    g_signal_connect (confirm_entry, "changed",
              G_CALLBACK (entry_changed), xml);
    entry_changed (NULL, xml);

    top_label = GTK_LABEL (glade_xml_get_widget (xml, "pass_label"));
    if (voluntary)
        gtk_widget_hide (GTK_WIDGET (top_label));

run_dialog_again:   
    response = gtk_dialog_run (GTK_DIALOG (top_widget));
    if (response == GTK_RESPONSE_OK) {
        const char *cur_pass, *new_pass1, *new_pass2;

        cur_pass = gtk_entry_get_text (cur_entry);
        new_pass1 = gtk_entry_get_text (new_entry);
        new_pass2 = gtk_entry_get_text (confirm_entry);

        if (existing_password) {
            if (strcmp (cur_pass, existing_password) != 0) {
                /* User entered a wrong existing
                 * password. Prompt him again.
                 */
                gtk_label_set_text (top_label, _("The current password does not match the existing password for your account. Please enter the correct password"));
                gtk_widget_show (GTK_WIDGET (top_label));
                goto run_dialog_again;
            }
        }

        if (strcmp (new_pass1, new_pass2) != 0) {
            gtk_label_set_text (top_label, _("The two passwords do not match. Please re-enter the passwords."));
            gtk_widget_show (GTK_WIDGET (top_label));
            goto run_dialog_again;
        }

        new_pass = g_strdup (new_pass1);
    } else
        new_pass = NULL;

    gtk_widget_destroy (top_widget);
    g_object_unref (xml);

    return new_pass;
}