path: root/embed/mozilla/GtkNSSDialogs.cpp

/*
 *  Copyright © 2003 Crispin Flowerday <gnome@flowerday.cx>
 *  Copyright © 2006 Christian Persch
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  $Id$
 */

/*
 * This file provides Gtk implementations of the mozilla Certificate dialogs
 * such as the ones displayed when connecting to a site with a self-signed
 * or expired certificate.
 */

#include "mozilla-config.h"
#include "config.h"

#include <time.h>

#include <glib/gi18n.h>
#include <gtk/gtkalignment.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkcheckbutton.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtkeditable.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkimage.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkmessagedialog.h>
#include <gtk/gtkprogressbar.h>
#include <gtk/gtksizegroup.h>
#include <gtk/gtkstock.h>
#include <gtk/gtktable.h>
#include <gtk/gtktextbuffer.h>
#include <gtk/gtktextview.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtktreestore.h>
#include <gtk/gtktreeview.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkcombobox.h>
#include <gconf/gconf-client.h>
#include <glade/glade-xml.h>

#include <nsStringAPI.h>

#include <nsCOMPtr.h>
#include <nsIArray.h>
#include <nsIASN1Object.h>
#include <nsIASN1Sequence.h>
#include <nsICRLInfo.h>
#include <nsIDOMWindow.h>
#include <nsIInterfaceRequestor.h>
#include <nsIInterfaceRequestorUtils.h>
#include <nsIPKCS11ModuleDB.h>
#include <nsIPKCS11Slot.h>
#include <nsIPK11Token.h>
#include <nsIPK11TokenDB.h>
#include <nsIServiceManager.h>
#include <nsISimpleEnumerator.h>
#include <nsIX509CertDB.h>
#include <nsIX509Cert.h>
#include <nsIX509CertValidity.h>
#include <nsMemory.h>
#include <nsServiceManagerUtils.h>

#ifdef HAVE_NSIMUTABLEARRAY_H
#include <nsIMutableArray.h>
#endif

#include "ephy-file-helpers.h"
#include "ephy-gui.h"
#include "ephy-password-dialog.h"
#include "ephy-stock-icons.h"

#include "AutoJSContextStack.h"
#include "AutoWindowModalState.h"
#include "EphyUtils.h"

#include "GtkNSSDialogs.h"

NS_DEFINE_CID (kX509CertCID, NS_IX509CERT_IID);
NS_DEFINE_CID (kASN1ObjectCID, NS_IASN1OBJECT_IID);

enum
{
    NSSDIALOG_RESPONSE_VIEW_CERT = 10
};

GtkNSSDialogs::GtkNSSDialogs ()
{
}

GtkNSSDialogs::~GtkNSSDialogs ()
{
}

NS_IMPL_THREADSAFE_ISUPPORTS5 (GtkNSSDialogs, 
                   nsICertificateDialogs,
                   nsIBadCertListener,
                   nsITokenPasswordDialogs,
                   nsITokenDialogs,
                   nsIDOMCryptoDialogs)

/* There's also nsICertPickDialogs which is implemented in mozilla
 * but has no callers. So we don't implement it.
 * Same for nsIUserCertPicker which is only used in mailnews.
 */

/**
 *  Call the mozilla service to display a certificate
 */
static void
view_certificate (nsIInterfaceRequestor *ctx, nsIX509Cert *cert)
{
    nsresult rv;
    nsCOMPtr<nsICertificateDialogs> certDialogs =
        do_GetService (NS_CERTIFICATEDIALOGS_CONTRACTID, &rv);
    NS_ENSURE_SUCCESS (rv, );

    certDialogs->ViewCert (ctx, cert);
}

/** 
 *  Indent a widget according the HIG
 * 
 *  @returns: The new indented widget
 */
static GtkWidget*
higgy_indent_widget (GtkWidget *widget)
{
    GtkWidget *hbox;
    GtkWidget *label;

    hbox = gtk_hbox_new (FALSE, 6);

    label = gtk_label_new (NULL);
    gtk_box_pack_start (GTK_BOX(hbox), label, FALSE, TRUE, 6);
    gtk_widget_show (label);

    gtk_box_pack_start (GTK_BOX(hbox), widget, TRUE, TRUE, 0);

    return hbox;
}

/**
 *  Setup up a dialog with the correct HIG'gy spacings, adding the content_widget
 */
static void
higgy_setup_dialog (GtkDialog *dialog, const gchar *stock_icon, 
            GtkWidget **content_label,
            GtkWidget **content_vbox)
{
    GtkWidget *hbox, *label, *image, *vbox;

    g_return_if_fail (GTK_IS_DIALOG (dialog));
    g_return_if_fail (content_label);

    gtk_dialog_set_has_separator (dialog, FALSE);
    gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
    gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
    
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
    gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), hbox);

    image = gtk_image_new_from_stock (stock_icon, GTK_ICON_SIZE_DIALOG);
    gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
    gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);

    vbox = gtk_vbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);

    label = gtk_label_new (NULL);
    gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
    gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
    gtk_label_set_selectable (GTK_LABEL (label), TRUE);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
    
    gtk_widget_show (image);
    gtk_widget_show (vbox);
    gtk_widget_show (hbox);
    gtk_widget_show (label);

    /* Set up the spacing for the dialog internal widgets */
    gtk_box_set_spacing (GTK_BOX(dialog->vbox), 14); /* 24 = 2 * 5 + 14 */

    *content_label = label;
    if (content_vbox)
    {
        *content_vbox = vbox;
    }
}


/**
 *  Display a dialog box, showing 'View Certificate', 'Cancel',
 *  and 'Accept' buttons. Optionally a checkbox can be shown,
 *  or the text can be NULL to avoid it being displayed
 * 
 *  @returns: GTK_RESPONSE_ACCEPT if the user clicked Accept
 */
static gint
display_cert_warning_box (nsIInterfaceRequestor *ctx, 
                          nsIX509Cert *cert,
              const char *markup_text,
                          const char *checkbox_text,
                          gboolean *checkbox_value,
              const char *affirmative_text)
{
    GtkWidget *dialog, *label, *checkbox, *vbox, *button;
    int res;

    g_return_val_if_fail (markup_text, GTK_RESPONSE_CANCEL);
    g_return_val_if_fail (!checkbox_text || checkbox_value, GTK_RESPONSE_CANCEL);

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    /* NOTE: Due to a mozilla bug [https://bugzilla.mozilla.org/show_bug.cgi?id=306288],
     * we will always end up without a parent!
     */
    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (ctx));
    GtkWindow *gparent = GTK_WINDOW (EphyUtils::FindGtkParent (parent));

    AutoWindowModalState modalState (parent);

    dialog = gtk_dialog_new_with_buttons ("", gparent,
                          GTK_DIALOG_DESTROY_WITH_PARENT,
                          (char *) NULL);
    if (gparent)
    {
        gtk_window_group_add_window (ephy_gui_ensure_window_group (gparent),
                         GTK_WINDOW (dialog));
    }

    gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

    higgy_setup_dialog (GTK_DIALOG (dialog), 
                GTK_STOCK_DIALOG_WARNING, &label, &vbox);

    /* Add the buttons */
    gtk_dialog_add_button (GTK_DIALOG (dialog), _("_View Certificate"),
                   NSSDIALOG_RESPONSE_VIEW_CERT);

    button = gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL,
                   GTK_RESPONSE_CANCEL);

    if (affirmative_text == NULL)
    {
        affirmative_text = _("_Accept");
    }

    gtk_dialog_add_button (GTK_DIALOG (dialog), affirmative_text,
                    GTK_RESPONSE_ACCEPT);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);

        if (checkbox_text)
    {
        checkbox = gtk_check_button_new_with_mnemonic (checkbox_text);
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbox), 
                          *checkbox_value);

        gtk_box_pack_start (GTK_BOX (vbox), checkbox, TRUE, TRUE, 0);
    }
    else
    {
        checkbox = 0;
    }

    /* We don't want focus on the checkbox */
    gtk_widget_grab_focus (button);

    gtk_label_set_markup (GTK_LABEL (label), markup_text);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);
    gtk_widget_show_all (dialog);

    while (1)
    {
        res = gtk_dialog_run (GTK_DIALOG (dialog));
        if (res == NSSDIALOG_RESPONSE_VIEW_CERT)
        {
                      view_certificate (ctx, cert);
              continue;
        }
    
        break;
    }

    if (res == GTK_RESPONSE_ACCEPT && checkbox)
    {
        *checkbox_value = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbox));
    }

    gtk_widget_destroy (dialog);
        return res;
}


/* Helper functions */

nsresult
GtkNSSDialogs::GetTokenAndSlotFromName (const PRUnichar *aName,
                    nsIPK11Token **aToken,
                    nsIPKCS11Slot **aSlot)
{
    nsresult rv = NS_ERROR_FAILURE;
    *aToken = nsnull;
    *aSlot = nsnull;

    nsCOMPtr<nsIPK11TokenDB> tokenDB = do_GetService("@mozilla.org/security/pk11tokendb;1");
    nsCOMPtr<nsIPKCS11ModuleDB> pkcs11DB = do_GetService("@mozilla.org/security/pkcs11moduledb;1");
    if (!tokenDB || !pkcs11DB) return rv;

    rv = tokenDB->FindTokenByName (aName, aToken);
    NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && *aToken, rv);

    pkcs11DB->FindSlotByName (aName, aSlot);

    NS_ENSURE_TRUE (*aSlot, NS_ERROR_FAILURE);

#ifdef GNOME_ENABLE_DEBUG
    /* Dump some info about this token */
    nsIPK11Token *token = *aToken;
    PRUnichar *tName, *tLabel, *tManID, *tHWVersion, *tFWVersion, *tSN;
    PRInt32 minPwdLen;
    PRBool needsInit, isHW, needsLogin, isFriendly;

    token->GetTokenName(&tName);
    token->GetTokenLabel(&tLabel);
    token->GetTokenManID(&tManID);
    token->GetTokenHWVersion(&tHWVersion);
    token->GetTokenFWVersion(&tFWVersion);
    token->GetTokenSerialNumber(&tSN);
    token->GetMinimumPasswordLength(&minPwdLen);
    token->GetNeedsUserInit(&needsInit);
    token->IsHardwareToken(&isHW);
    token->NeedsLogin(&needsLogin);
    token->IsFriendly(&isFriendly);

    g_print ("Token '%s' has \nName: %s\nLabel: %s\nManID: %s\nHWversion: %s\nFWVersion: %s\nSN: %s\n"
            "MinPwdLen: %d\nNeedsUserInit: %d\nIsHWToken: %d\nNeedsLogin: %d\nIsFriendly: %d\n\n",
        NS_ConvertUTF16toUTF8(aName).get(),

        NS_ConvertUTF16toUTF8(tName).get(),
        NS_ConvertUTF16toUTF8(tLabel).get(),
        NS_ConvertUTF16toUTF8(tManID).get(),
        NS_ConvertUTF16toUTF8(tHWVersion).get(),
        NS_ConvertUTF16toUTF8(tFWVersion).get(),
        NS_ConvertUTF16toUTF8(tSN).get(),
        minPwdLen,
        needsInit,
        isHW,
        needsLogin,
        isFriendly);

    nsIPKCS11Slot *slot = *aSlot;
    PRUnichar*slDesc;
    slot->GetDesc(&slDesc);
    g_print ("Slot description: %s\n", NS_ConvertUTF16toUTF8 (slDesc).get());
#endif

    return NS_OK;
}
  
/* nsICertificateDialogs */

NS_IMETHODIMP
GtkNSSDialogs::ConfirmMismatchDomain (nsIInterfaceRequestor *ctx,
                                      const nsACString &targetURL,
                                      nsIX509Cert *cert, PRBool *_retval)
{
    char *first, *second, *msg;
    int res;

    nsString commonName;
    cert->GetCommonName (commonName);

    NS_ConvertUTF16toUTF8 cCommonName (commonName);

    nsCString cTargetUrl (targetURL);

    first = g_markup_printf_escaped (_("The site “%s” returned security information for "
                       "“%s”. It is possible that someone is intercepting "
                       "your communication to obtain your confidential "
                       "information."),
                     cTargetUrl.get(), cCommonName.get());

        second = g_markup_printf_escaped (_("You should only accept the security information if you "
                        "trust “%s” and “%s”."),
                      cTargetUrl.get(), cCommonName.get());
    
    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s\n\n%s",
                   _("Accept incorrect security information?"),
                   first, second);
 
    res = display_cert_warning_box (ctx, cert, msg, NULL, NULL, NULL);
 
        g_free (second);
        g_free (first);
        g_free (msg);

    *_retval = (res == GTK_RESPONSE_ACCEPT);
    return NS_OK;
}


NS_IMETHODIMP
GtkNSSDialogs::ConfirmUnknownIssuer (nsIInterfaceRequestor *ctx,
                                     nsIX509Cert *cert, PRInt16 *outAddType,
                                     PRBool *_retval)
{
    gboolean accept_perm = FALSE;
    char *secondary, *tertiary, *msg;
    int res;

    nsString commonName;
    cert->GetCommonName (commonName);

    NS_ConvertUTF16toUTF8 cCommonName (commonName);

    secondary = g_markup_printf_escaped
                   (_("It was not possible to automatically trust “%s”. "
                  "It is possible that someone is intercepting your "
                  "communication to obtain your confidential information."),
                  cCommonName.get());

        tertiary = g_markup_printf_escaped
                   (_("You should only connect to the site if you are certain "
                  "you are connected to “%s”."),
                cCommonName.get());

    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s\n\n%s",
                   _("Connect to untrusted site?"),
                   secondary, tertiary);
 
    res = display_cert_warning_box (ctx, cert, msg, 
                    _("_Trust this security information from now on"),
                    &accept_perm, _("Co_nnect"));
        g_free (tertiary);
        g_free (secondary);
        g_free (msg);

        if (res != GTK_RESPONSE_ACCEPT)
    {
        *_retval = PR_FALSE;
        *outAddType = UNINIT_ADD_FLAG;
    }
    else
    {
        if (accept_perm)
        {
            *_retval    = PR_TRUE;
            *outAddType = ADD_TRUSTED_PERMANENTLY;
        }
        else
        {
            *_retval    = PR_TRUE;
            *outAddType = ADD_TRUSTED_FOR_SESSION;
        }
    }

    return NS_OK;
}


/* boolean confirmCertExpired (in nsIInterfaceRequestor socketInfo, 
   in nsIX509Cert cert); */
NS_IMETHODIMP 
GtkNSSDialogs::ConfirmCertExpired (nsIInterfaceRequestor *ctx,
                                   nsIX509Cert *cert, PRBool *_retval)
{
    nsresult rv;
    PRTime now = PR_Now();
    PRTime notAfter, notBefore, timeToUse;
    PRInt64 normalizedTime;
    time_t t;
    struct tm tm;
    char formattedDate[128];
    char *fdate;
    const char *primary, *text;
    char *secondary, *msg;

    *_retval = PR_FALSE;
    
    nsCOMPtr<nsIX509CertValidity> validity;
    rv = cert->GetValidity (getter_AddRefs(validity));
    if (NS_FAILED(rv)) return rv;
    
    rv = validity->GetNotAfter (&notAfter);
    if (NS_FAILED(rv)) return rv;
    
    rv = validity->GetNotBefore (&notBefore);
    if (NS_FAILED(rv)) return rv;
    
    if (LL_CMP(now, >, notAfter))
    {
        primary = _("Accept expired security information?");
        /* Translators: first %s is a hostname, second %s is a time/date */
        text    = _("The security information for “%s” "
                "expired on %s.");
        timeToUse = notAfter;
    } 
    else
    {
        primary = _("Accept not yet valid security information?");
        /* Translators: first %s is a hostname, second %s is a time/date */
        text    = _("The security information for “%s” isn't valid until %s.");
        timeToUse = notBefore;
    }
    
    nsString commonName;
    cert->GetCommonName (commonName);

    NS_ConvertUTF16toUTF8 cCommonName (commonName);

    LL_DIV (normalizedTime, timeToUse, PR_USEC_PER_SEC);
    LL_L2UI (t, normalizedTime);
    /* To translators: this a time format that is used while displaying the
     * expiry or start date of an SSL certificate, for the format see 
     * strftime(3) */
    strftime (formattedDate, sizeof(formattedDate), _("%a %d %b %Y"), 
          localtime_r (&t, &tm));
    /* FIXME! this isn't actually correct, LC_CTIME codeset could be different than locale codeset! */
    fdate = g_locale_to_utf8 (formattedDate, -1, NULL, NULL, NULL);

    secondary = g_markup_printf_escaped (text, cCommonName.get(), fdate);

    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s\n\n%s",
                   primary, secondary, 
                   _("You should ensure that your computer's time is correct."));

    int res = display_cert_warning_box (ctx, cert, msg, NULL, NULL, NULL);

    g_free (fdate);
    g_free (msg);
    g_free (secondary);

    *_retval = (res == GTK_RESPONSE_ACCEPT);
    
    return NS_OK;
}

/* void notifyCrlNextupdate (in nsIInterfaceRequestor socketInfo, 
                 in AUTF8String targetURL,
                 in nsIX509Cert cert); */
NS_IMETHODIMP 
GtkNSSDialogs::NotifyCrlNextupdate (nsIInterfaceRequestor *ctx,
                    const nsACString & targetURL,
                    nsIX509Cert *cert)
{
    nsCOMPtr<nsIDOMWindow> parent = do_GetInterface (ctx);
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    nsCString cTargetUrl (targetURL);

    nsString commonName;
    cert->GetCommonName (commonName);

    GtkWidget *dialog = gtk_message_dialog_new
                (GTK_WINDOW (gparent),
                 GTK_DIALOG_DESTROY_WITH_PARENT,
                 GTK_MESSAGE_ERROR,
                 GTK_BUTTONS_OK,
                 _("Cannot establish connection to “%s”"),
                 cTargetUrl.get ());

    gtk_message_dialog_format_secondary_text
            (GTK_MESSAGE_DIALOG (dialog),
             _("The certificate revocation list (CRL) from “%s” "
               "needs to be updated.\n\n"
               "Please ask your system administrator for assistance."),
             NS_ConvertUTF16toUTF8 (commonName).get ());
    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

    g_signal_connect (dialog, "response",
              (GCallback) gtk_widget_destroy, NULL);

    gtk_widget_show_all (dialog);
    return NS_OK;
}

NS_IMETHODIMP 
GtkNSSDialogs::ConfirmDownloadCACert(nsIInterfaceRequestor *ctx, 
                    nsIX509Cert *cert,
                    PRUint32 *_trust,
                    PRBool *_retval)
{
    GtkWidget *dialog, *label;
    char *msg, *primary;

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (ctx));
    GtkWindow *gparent = GTK_WINDOW (EphyUtils::FindGtkParent (parent));

    AutoWindowModalState modalState (parent);

    dialog = gtk_dialog_new_with_buttons (_("Trust new Certificate Authority?"), gparent,
                          GTK_DIALOG_DESTROY_WITH_PARENT,
                          _("_View Certificate"),
                          NSSDIALOG_RESPONSE_VIEW_CERT,
                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                          _("_Trust CA"),   GTK_RESPONSE_ACCEPT,
                          (char *) NULL);

    if (gparent)
    {
        gtk_window_group_add_window (ephy_gui_ensure_window_group (gparent),
                         GTK_WINDOW (dialog));
    }

    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

    higgy_setup_dialog (GTK_DIALOG (dialog), GTK_STOCK_DIALOG_WARNING,
                &label, NULL);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);

    nsString commonName;
    cert->GetCommonName (commonName);

    NS_ConvertUTF16toUTF8 cCommonName (commonName);

    primary = g_markup_printf_escaped (_("Trust new Certificate Authority “%s” to identify web sites?"),
                       cCommonName.get());

    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s",
                   primary,
                   _("Before trusting a Certificate Authority (CA) you should "
                 "verify the certificate is authentic."));
    gtk_label_set_markup (GTK_LABEL (label), msg);
    g_free (primary);
    g_free (msg);

    gtk_widget_show_all (dialog);
    int ret;

    while (1)
    {
        ret = gtk_dialog_run (GTK_DIALOG (dialog));
        if (ret == NSSDIALOG_RESPONSE_VIEW_CERT)
        {
              view_certificate (ctx, cert);
              continue;
        }
    
        break;
    }

    if (ret != GTK_RESPONSE_ACCEPT)
    {
        *_retval = PR_FALSE;
    }
    else
    {
        if (ret == GTK_RESPONSE_ACCEPT)
        {
            *_trust |= nsIX509CertDB::TRUSTED_SSL;
        }
        else
        {
            *_trust = nsIX509CertDB::UNTRUSTED;
        }

        *_retval = PR_TRUE;
    }
    gtk_widget_destroy (dialog);

    return NS_OK;
}


NS_IMETHODIMP 
GtkNSSDialogs::NotifyCACertExists (nsIInterfaceRequestor *ctx)
{
    GtkWidget *dialog, *label;
    char * msg;

    nsCOMPtr<nsIDOMWindow> parent = do_GetInterface (ctx);
    GtkWindow *gparent = GTK_WINDOW (EphyUtils::FindGtkParent (parent));

    dialog = gtk_dialog_new_with_buttons ("", gparent,
                          GTK_DIALOG_DESTROY_WITH_PARENT,
                          GTK_STOCK_OK,
                          GTK_RESPONSE_OK,
                          (char *) NULL);

    if (gparent)
    {
        gtk_window_group_add_window (ephy_gui_ensure_window_group (gparent),
                         GTK_WINDOW (dialog));
    }

    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

    higgy_setup_dialog (GTK_DIALOG (dialog), GTK_STOCK_DIALOG_ERROR,
                &label, NULL);

    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s",
                _("Certificate already exists."),
                   _("The certificate has already been imported."));
    gtk_label_set_markup (GTK_LABEL (label), msg);
    g_free (msg);

    g_signal_connect (G_OBJECT (dialog),
              "response",
              (GCallback)gtk_widget_destroy, NULL);

    gtk_widget_show_all (dialog);
    return NS_OK;
}

/* FIXME: This interface sucks! There is way to know the name of the certificate! */
NS_IMETHODIMP 
GtkNSSDialogs::SetPKCS12FilePassword(nsIInterfaceRequestor *ctx, 
                    nsAString &_password,
                    PRBool *_retval)
{
    GtkWidget *dialog;
    char *msg;

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (ctx));
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    AutoWindowModalState modalState (parent);

    dialog = ephy_password_dialog_new (gparent,
                       _("Select Password"),
                       EphyPasswordDialogFlags(EPHY_PASSWORD_DIALOG_FLAGS_SHOW_NEW_PASSWORD |
                                   EPHY_PASSWORD_DIALOG_FLAGS_SHOW_QUALITY_METER));
    gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
    gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);

    /* FIXME: set accept button text to (_("_Back Up Certificate") ?
     * That's not actually correct, since this function is also called from other places!
     */

    msg = g_markup_printf_escaped (_("Select a password to protect this certificate"));
    gtk_message_dialog_set_markup (GTK_MESSAGE_DIALOG (dialog), msg);
    g_free (msg);

    int response = gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_hide (dialog);
    
    if (response == GTK_RESPONSE_ACCEPT)
    {
        const char *text = ephy_password_dialog_get_new_password (EPHY_PASSWORD_DIALOG (dialog));
        g_return_val_if_fail (text != NULL, NS_ERROR_FAILURE);
        NS_CStringToUTF16 (nsDependentCString (text),
                       NS_CSTRING_ENCODING_UTF8, _password);
    }

    *_retval = response == GTK_RESPONSE_ACCEPT;

    gtk_widget_destroy (dialog);

    return NS_OK;
}

NS_IMETHODIMP 
GtkNSSDialogs::GetPKCS12FilePassword(nsIInterfaceRequestor *ctx, 
                     nsAString &_password,
                     PRBool *_retval)
{
    g_print ("GtkNSSDialogs::GetPKCS12FilePassword\n");

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (ctx));
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    AutoWindowModalState modalState (parent);

    GtkWidget *dialog = ephy_password_dialog_new
                (gparent,
                 "",
                 EphyPasswordDialogFlags (EPHY_PASSWORD_DIALOG_FLAGS_SHOW_PASSWORD));
    EphyPasswordDialog *password_dialog = EPHY_PASSWORD_DIALOG (dialog);
    /* FIXME: set accept button text to _("I_mport Certificate") ? */

    gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);

    /* FIXME: mozilla sucks, no way to get the name of the certificate / cert file! */
    char *msg = g_markup_printf_escaped (_("Enter the password for this certificate"));
    gtk_message_dialog_set_markup (GTK_MESSAGE_DIALOG (dialog), msg);
    g_free (msg);
            
    int response = gtk_dialog_run (GTK_DIALOG (dialog));

    if (response == GTK_RESPONSE_ACCEPT)
    {
        const char *pwd = ephy_password_dialog_get_password (password_dialog);
        NS_CStringToUTF16 (nsDependentCString (pwd),
                   NS_CSTRING_ENCODING_UTF8, _password);
    }

    *_retval = response == GTK_RESPONSE_ACCEPT;

    gtk_widget_destroy (dialog);

    return NS_OK;
}


static void
set_table_row (GtkWidget *table,
           int& row,
           const char *title,
           const char *text)
{
    GtkWidget *header, *label;
    char *bold;

    if (text == NULL || text[0] == 0) return;

    bold = g_markup_printf_escaped ("<b>%s</b>", title);
    header = gtk_label_new (bold);
    g_free (bold);

    gtk_label_set_use_markup (GTK_LABEL (header), TRUE);
    gtk_misc_set_alignment (GTK_MISC (header), 0, 0);
    gtk_widget_show (header);
    gtk_table_attach (GTK_TABLE (table), header, 0, 1, row, row+1,
              GTK_FILL, GTK_FILL, 0, 0);

    label = gtk_label_new (text);
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
    gtk_label_set_selectable (GTK_LABEL (label), TRUE);
    gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
    gtk_label_set_max_width_chars (GTK_LABEL (label), 48);
    gtk_widget_show (label);
    gtk_table_attach_defaults (GTK_TABLE (table), label, 1, 2, row, row+1);

    row++;
}

NS_IMETHODIMP 
GtkNSSDialogs::CrlImportStatusDialog(nsIInterfaceRequestor *ctx, nsICRLInfo *crl)
{

    GtkWidget *dialog, *label, *table, *vbox;
    nsresult rv;
    char *msg;

    nsCOMPtr<nsIDOMWindow> parent = do_GetInterface (ctx);
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    dialog = gtk_dialog_new_with_buttons ("",
                          GTK_WINDOW (gparent),
                          GTK_DIALOG_DESTROY_WITH_PARENT,
                          GTK_STOCK_OK, GTK_RESPONSE_OK,
                          (char *) NULL);

    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);
    gtk_window_set_title (GTK_WINDOW (dialog), _("Certificate Revocation List Imported"));

    /* Needed because gparent == NULL always because of mozilla sucks */
    gtk_window_set_skip_pager_hint (GTK_WINDOW (dialog), TRUE);
    gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dialog), TRUE);

    higgy_setup_dialog (GTK_DIALOG (dialog), GTK_STOCK_DIALOG_INFO,
                &label, &vbox);

    msg = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>",
                   _("Certificate Revocation List (CRL) successfully imported"));
    gtk_label_set_markup (GTK_LABEL (label), msg);
    g_free (msg);

    table = gtk_table_new (2, 3, FALSE);
    gtk_table_set_row_spacings (GTK_TABLE (table), 6);
    gtk_table_set_col_spacings (GTK_TABLE (table), 12);

    nsString org, orgUnit, nextUpdate;
    rv = crl->GetOrganization (org);
    if (NS_FAILED(rv)) return rv;

    rv = crl->GetOrganizationalUnit (orgUnit);
    if (NS_FAILED(rv)) return rv;

    rv = crl->GetNextUpdateLocale (nextUpdate);
    if (NS_FAILED(rv)) return rv;

    int row = 0;
    set_table_row (table, row, _("Organization:"), NS_ConvertUTF16toUTF8 (org).get ());

    set_table_row (table, row, _("Unit:"), NS_ConvertUTF16toUTF8 (orgUnit).get ());

    set_table_row (table, row, _("Next Update:"), NS_ConvertUTF16toUTF8 (nextUpdate).get ());

    gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);

    gtk_widget_show_all (dialog);
    g_signal_connect (G_OBJECT (dialog),
              "response",
              (GCallback)gtk_widget_destroy, NULL);

    gtk_widget_show_all (dialog);
    return NS_OK;
}

/** 
 *  Help function to fill in the labels on the General tab
 */
static void
set_label_cert_attribute (GladeXML* gxml, const char* label_id, nsAString &value)
{
    GtkWidget *label;
    label = glade_xml_get_widget (gxml, label_id);

    g_return_if_fail (GTK_IS_LABEL (label));

    if (!value.Length()) {
        gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
        char *msg = g_strdup_printf ("<i>&lt;%s&gt;</i>",
                         _("Not part of certificate"));
        gtk_label_set_markup (GTK_LABEL (label), msg);
        g_free (msg);
    }
    else
    {
        gtk_label_set_use_markup (GTK_LABEL (label), FALSE);
        gtk_label_set_text (GTK_LABEL (label), NS_ConvertUTF16toUTF8 (value).get());
    }
}


/**
 *  Do that actual filling in of the certificate tree
 */
static gboolean
fill_cert_chain_tree (GtkTreeView *treeview, nsIArray *certChain)
{
    nsresult rv;
    GtkTreeModel * model = gtk_tree_view_get_model (treeview);

    GtkTreeIter parent;
    PRUint32 numCerts;
    rv =  certChain->GetLength (&numCerts);
    if (NS_FAILED(rv) || numCerts < 1) return FALSE;

    for (int i = (int)numCerts-1 ; i >= 0; i--)
    {
        nsCOMPtr<nsIX509Cert> nsCert;
        rv = certChain->QueryElementAt (i, kX509CertCID,
                        getter_AddRefs(nsCert));
        if (NS_FAILED(rv)) return FALSE;

        GtkTreeIter iter;
        gtk_tree_store_append (GTK_TREE_STORE (model), &iter, 
                       (i == (int)numCerts-1) ? NULL : &parent);

        nsString value;
        rv = nsCert->GetCommonName (value);
        if (NS_FAILED(rv)) return FALSE;

        NS_ConvertUTF16toUTF8 cValue (value);

        nsIX509Cert *nsCertP = nsCert;
        if (value.Length())
        {
            gtk_tree_store_set (GTK_TREE_STORE(model), &iter,
                        0, cValue.get(),
                        1, nsCertP,
                        -1);
        }
        else
        {
            char * title;
            rv = nsCert->GetWindowTitle (&title);
            if (NS_FAILED(rv)) return FALSE;
            
            gtk_tree_store_set (GTK_TREE_STORE(model),
                        &iter, 0, title, 1, nsCertP, -1);
            nsMemory::Free (title);
        }
        parent = iter;
    }
    gtk_tree_view_expand_all (GTK_TREE_VIEW (treeview));

    /* And select the last entry, and scroll the view so it's visible */
    GtkTreeSelection *select = gtk_tree_view_get_selection (treeview);
    GtkTreePath *path = gtk_tree_model_get_path (model, &parent);
    gtk_tree_selection_select_path (select, path);
    gtk_tree_view_scroll_to_cell (treeview, path, NULL, TRUE, 0.5, 0.0);
    gtk_tree_path_free (path);

    return TRUE; 
}

/**
 *  Add an ASN object to the treeview, recursing if the object was a
 *  sequence
 */
static void
add_asn1_object_to_tree(GtkTreeModel *model, nsIASN1Object *object, GtkTreeIter *parent)
{
    nsString dispNameU;
    object->GetDisplayName(dispNameU);

    GtkTreeIter iter;
    gtk_tree_store_append (GTK_TREE_STORE (model), &iter, parent);

    gtk_tree_store_set (GTK_TREE_STORE(model), &iter,
                0, NS_ConvertUTF16toUTF8 (dispNameU).get(),
                1, object,
                -1);

    nsCOMPtr<nsIASN1Sequence> sequence(do_QueryInterface(object));
    if (!sequence) return;

    nsCOMPtr<nsIMutableArray> asn1Objects;
    sequence->GetASN1Objects(getter_AddRefs(asn1Objects));

    PRUint32 numObjects;
    asn1Objects->GetLength(&numObjects);
    if (!asn1Objects) return;

    for (PRUint32 i = 0; i < numObjects ; i++)
    {
        nsCOMPtr<nsIASN1Object> currObject;
        asn1Objects->QueryElementAt (i, kASN1ObjectCID,
                         getter_AddRefs (currObject));
        add_asn1_object_to_tree (model, currObject, &iter);
    }
}


/**
 *  Update the "Certificate Fields" treeview when a different cert
 *  is selected in the hierarchy text view
 */
static void
cert_chain_tree_view_selection_changed_cb (GtkTreeSelection *selection, 
                       GtkWidget* tree_view)
{
    GtkTreeIter iter;
    nsIX509Cert *nsCert;
    nsresult rv;
    GtkTreeModel * model;
        
    if (gtk_tree_selection_get_selected (selection, &model, &iter))
    {
        gtk_tree_model_get (model, &iter, 1, &nsCert, -1);

        nsCOMPtr<nsIASN1Object> object;
        rv = nsCert->GetASN1Structure (getter_AddRefs(object));
        if (NS_FAILED(rv)) return;

        model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
        gtk_tree_store_clear (GTK_TREE_STORE (model));
        add_asn1_object_to_tree (model, object, NULL);

        gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
    }
}

/**
 *  When the "Certificate Field" treeview is changed, update the 
 *  text_view to display the value of the currently selected field
 */
static void
field_tree_view_selection_changed_cb (GtkTreeSelection *selection, 
                      GtkWidget* text_view)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    GtkTextBuffer * text_buffer = 
        gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));

    if (gtk_tree_selection_get_selected (selection, &model, &iter))
    {
        nsIASN1Object *object;

        gtk_tree_model_get (model, &iter, 1, &object, -1);

        nsString dispValU;
        object->GetDisplayValue(dispValU);

        gtk_text_buffer_set_text (text_buffer, NS_ConvertUTF16toUTF8 (dispValU).get(), -1);
    }
    else
    {
        gtk_text_buffer_set_text (text_buffer, "", 0);  
    }
}

/**
 *  Setup the various treeviews, the textview, and fill the treeviews
 */
static gboolean
setup_view_cert_tree (GtkWidget *dialog, GladeXML*gxml, nsIArray *certChain)
{
    GtkCellRenderer *renderer;
    GtkWidget *chain_tree_view, *field_tree_view, *text_view;
    PangoFontDescription *monospace_font_desc;
    GConfClient *conf_client;
    char *monospace_font;

    chain_tree_view = glade_xml_get_widget (gxml, "treeview_cert_chain");
    field_tree_view = glade_xml_get_widget (gxml, "treeview_cert_info");
    text_view   = glade_xml_get_widget (gxml, "textview_field_value");

    /* Setup the certificate chain view */
    GtkTreeStore *store = gtk_tree_store_new (2, 
                          G_TYPE_STRING,
                          G_TYPE_POINTER);
    gtk_tree_view_set_model (GTK_TREE_VIEW (chain_tree_view), GTK_TREE_MODEL (store));
    g_object_unref (store);


    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (chain_tree_view),
                             0, "Certificate",
                             renderer,
                             "text", 0,
                             (char *) NULL);

    GtkTreeSelection *select = gtk_tree_view_get_selection (GTK_TREE_VIEW (chain_tree_view));
    gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);

    g_signal_connect (G_OBJECT (select), "changed",
              G_CALLBACK (cert_chain_tree_view_selection_changed_cb),
              field_tree_view);

    /* Setup the certificate field view */
    store = gtk_tree_store_new (2, 
                    G_TYPE_STRING,
                    G_TYPE_POINTER);
    gtk_tree_view_set_model (GTK_TREE_VIEW (field_tree_view), GTK_TREE_MODEL (store));
    g_object_unref (store);


    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (field_tree_view),
                             0, "Certificate Field",
                             renderer,
                             "text", 0,
                             (char *) NULL);

    select = gtk_tree_view_get_selection (GTK_TREE_VIEW (field_tree_view));
    gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);

    g_signal_connect (G_OBJECT (select), "changed",
              G_CALLBACK (field_tree_view_selection_changed_cb),
              text_view);

    /* Get the text_view displaying a propertional font
     *
     * Pick up the monospace font from desktop preferences */
    conf_client = gconf_client_get_default ();
    monospace_font = gconf_client_get_string (conf_client, 
                 "/desktop/gnome/interface/monospace_font_name", NULL);
    if (monospace_font)
    {
        monospace_font_desc = pango_font_description_from_string (monospace_font);
        gtk_widget_modify_font (text_view, monospace_font_desc);
        pango_font_description_free (monospace_font_desc);
    }
    g_object_unref (conf_client);      
    
    /* And fill the certificate chain tree */
    return fill_cert_chain_tree (GTK_TREE_VIEW (chain_tree_view), certChain);
}

/* void viewCert (in nsIX509Cert cert); */
NS_IMETHODIMP 
GtkNSSDialogs::ViewCert(nsIInterfaceRequestor *ctx, 
               nsIX509Cert *cert)
{
    GtkWidget *dialog, *widget;
    GladeXML *gxml;
    nsString value;
    PRUint32 verifystate, count;
    PRUnichar ** usage;
    GtkSizeGroup * sizegroup;

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    gxml = glade_xml_new (ephy_file ("certificate-dialogs.glade"),
                  "viewcert_dialog", NULL);
    g_return_val_if_fail (gxml != NULL, NS_ERROR_FAILURE);

    dialog = glade_xml_get_widget (gxml, "viewcert_dialog");
    g_return_val_if_fail (dialog != NULL, NS_ERROR_FAILURE);

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (ctx));
    GtkWindow *gparent = GTK_WINDOW (EphyUtils::FindGtkParent (parent));

    AutoWindowModalState modalState (parent);

    if (gparent)
    {
        gtk_window_set_transient_for (GTK_WINDOW(dialog), GTK_WINDOW(gparent));
        gtk_window_group_add_window (ephy_gui_ensure_window_group (GTK_WINDOW (gparent)),
                         GTK_WINDOW (dialog));
        gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
    }

    gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

    gtk_window_set_title (GTK_WINDOW (dialog), _("Certificate Properties"));
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);

    /* Set up the GtkSizeGroup so that the columns line up */
    sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
    widget = glade_xml_get_widget (gxml, "label_size1");
    gtk_size_group_add_widget (sizegroup, widget);
    widget = glade_xml_get_widget (gxml, "label_size2");
    gtk_size_group_add_widget (sizegroup, widget);
    widget = glade_xml_get_widget (gxml, "label_size3");
    gtk_size_group_add_widget (sizegroup, widget);
    widget = glade_xml_get_widget (gxml, "label_size4");
    gtk_size_group_add_widget (sizegroup, widget);
    g_object_unref (sizegroup);

    rv = cert->GetUsagesArray (FALSE, &verifystate, &count, &usage);
    if (NS_FAILED(rv)) return rv;

    const char * text;
    switch (verifystate)
    {
    case nsIX509Cert::VERIFIED_OK:
        text = _("This certificate has been verified for the following uses:");
        break;
    case nsIX509Cert::CERT_REVOKED:
        text = _("Could not verify this certificate because it has been revoked.");
        break;
    case nsIX509Cert::CERT_EXPIRED:
        text = _("Could not verify this certificate because it has expired.");
        break;
    case nsIX509Cert::CERT_NOT_TRUSTED:
        text = _("Could not verify this certificate because it is not trusted.");
        break;
    case nsIX509Cert::ISSUER_NOT_TRUSTED:
        text = _("Could not verify this certificate because the issuer is not trusted.");
        break;
    case nsIX509Cert::ISSUER_UNKNOWN:
        text = _("Could not verify this certificate because the issuer is unknown.");
        break;
    case nsIX509Cert::INVALID_CA:
        text = _("Could not verify this certificate because the CA certificate is invalid.");
        break;
    case nsIX509Cert::NOT_VERIFIED_UNKNOWN:
    case nsIX509Cert::USAGE_NOT_ALLOWED:
    default:
        text = _("Could not verify this certificate for unknown reasons.");
    }
    
    char *vmsg = g_strdup_printf ("<b>%s</b>", text);
    widget = glade_xml_get_widget (gxml, "label_verify_text");
    g_return_val_if_fail (GTK_IS_LABEL (widget), NS_ERROR_FAILURE);
    gtk_label_set_markup (GTK_LABEL (widget), vmsg);
    g_free (vmsg);

    if (count > 0)
    {
        GtkWidget *vbox = gtk_vbox_new (FALSE, 3);
        GtkWidget *indent;
        for (PRUint32 i = 0 ; i < count ; i++)
        {
            GtkWidget *label = gtk_label_new (NS_ConvertUTF16toUTF8 (usage[i]).get());
            gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
            gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
            nsMemory::Free (usage[i]);
        }
        nsMemory::Free (usage);
        indent = higgy_indent_widget (vbox);
        widget = glade_xml_get_widget (gxml, "vbox_validity");
        g_return_val_if_fail (GTK_IS_BOX (widget), NS_ERROR_FAILURE);
    
        gtk_box_pack_start (GTK_BOX (widget), indent, FALSE, FALSE, 0);
    }

    cert->GetCommonName (value);
    set_label_cert_attribute (gxml, "label_cn", value);

    cert->GetOrganization (value);
    set_label_cert_attribute (gxml, "label_o", value);

    cert->GetOrganizationalUnit (value);
    set_label_cert_attribute (gxml, "label_ou", value);

    cert->GetSerialNumber (value);
    set_label_cert_attribute (gxml, "label_serial", value);

    rv = cert->GetIssuerCommonName (value);
    if (NS_FAILED(rv)) return rv;
    set_label_cert_attribute (gxml, "label_issuer_cn", value);

    cert->GetIssuerOrganization (value);
    set_label_cert_attribute (gxml, "label_issuer_o", value);

    cert->GetIssuerOrganizationUnit (value);
    set_label_cert_attribute (gxml, "label_issuer_ou", value);

    nsCOMPtr<nsIX509CertValidity> validity;
    rv = cert->GetValidity (getter_AddRefs(validity));
    if (NS_FAILED(rv)) return rv;
    
    rv = validity->GetNotAfterLocalDay (value);
    if (NS_FAILED(rv)) return rv;
    set_label_cert_attribute (gxml, "label_notafter", value);
    
    rv = validity->GetNotBeforeLocalDay (value);
    if (NS_FAILED(rv)) return rv;
    set_label_cert_attribute (gxml, "label_notbefore", value);

    cert->GetSha1Fingerprint (value);
    set_label_cert_attribute (gxml, "label_sha_print", value);

    cert->GetMd5Fingerprint (value);
    set_label_cert_attribute (gxml, "label_md5_print", value);

    /* Hold a reference to each certificate in the chain while the
     * dialog is displayed, this holds the reference for the ASN
     * objects as well */

    nsCOMPtr<nsIArray> certChain;
    rv = cert->GetChain (getter_AddRefs(certChain));
    if (NS_FAILED(rv)) return rv;

    gboolean ret = setup_view_cert_tree (dialog, gxml, certChain);
    if (ret == FALSE) return NS_ERROR_FAILURE;

    g_object_unref (gxml);

    gtk_widget_show_all (dialog);

    int res;
    while (1)
    {
        res = gtk_dialog_run (GTK_DIALOG (dialog));
        if (res == GTK_RESPONSE_HELP)
        {
            ephy_gui_help (GTK_WINDOW (dialog), "epiphany", "using-certificate-viewer");
            continue;
        }  
        break;
    }

    gtk_widget_destroy (dialog);
    return NS_OK;
}

/* nsITokenPasswordDialogs */

/* NOTE: This interface totally sucks, see https://bugzilla.mozilla.org/show_bug.cgi?id=306993 */

/* void setPassword (in nsIInterfaceRequestor ctx, in wstring tokenName, out boolean canceled); */
NS_IMETHODIMP
GtkNSSDialogs::SetPassword(nsIInterfaceRequestor *aCtx,
               const PRUnichar *aTokenName,
               PRBool *aCancelled)
{
    NS_ENSURE_ARG_POINTER(aCancelled);

    nsresult rv;
    nsCOMPtr<nsIPK11Token> token;
    nsCOMPtr<nsIPKCS11Slot> slot;
    rv = GetTokenAndSlotFromName (aTokenName, getter_AddRefs (token),
                      getter_AddRefs (slot));
    NS_ENSURE_SUCCESS (rv, rv);
    NS_ENSURE_TRUE (token && slot, NS_ERROR_FAILURE);

    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    PRUint32 status = nsIPKCS11Slot::SLOT_UNINITIALIZED;
    slot->GetStatus (&status);

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (aCtx));
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    AutoWindowModalState modalState (parent);

    EphyPasswordDialogFlags flags =
        EphyPasswordDialogFlags (EPHY_PASSWORD_DIALOG_FLAGS_SHOW_NEW_PASSWORD |
                     EPHY_PASSWORD_DIALOG_FLAGS_SHOW_QUALITY_METER);
    if (status != nsIPKCS11Slot::SLOT_UNINITIALIZED)
        flags = EphyPasswordDialogFlags (flags | EPHY_PASSWORD_DIALOG_FLAGS_SHOW_PASSWORD);

    GtkWidget *dialog = ephy_password_dialog_new
                (gparent,
                 _("Change Token Password"),
                 flags);
    EphyPasswordDialog *password_dialog = EPHY_PASSWORD_DIALOG (dialog);

    char *message;
    if (status == nsIPKCS11Slot::SLOT_UNINITIALIZED) {
        message = g_markup_printf_escaped (_("Choose a password for the “%s” token"),
                           NS_ConvertUTF16toUTF8 (aTokenName).get ());
    } else {
        message = g_markup_printf_escaped (_("Change the password for the “%s” token"),
                           NS_ConvertUTF16toUTF8 (aTokenName).get ());
    }

    gtk_message_dialog_set_markup (GTK_MESSAGE_DIALOG (dialog),
                       message);
    g_free (message);

    int response;
    nsString oldPassword;
    PRBool pwdOk, needsLogin;
    do {
        response = gtk_dialog_run (GTK_DIALOG (dialog));

        if (status != nsIPKCS11Slot::SLOT_UNINITIALIZED)
        {
            const char *pwd = ephy_password_dialog_get_password (password_dialog);
            oldPassword = NS_ConvertUTF8toUTF16 (pwd);
        }
    } while (response == GTK_RESPONSE_OK &&
         status != nsIPKCS11Slot::SLOT_UNINITIALIZED &&
         NS_SUCCEEDED (token->NeedsLogin (&needsLogin)) && needsLogin &&
         NS_SUCCEEDED (token->CheckPassword (oldPassword.get (), &pwdOk) &&
         !pwdOk));

    if (response == GTK_RESPONSE_ACCEPT)
    {
        const char *pwd = ephy_password_dialog_get_new_password (password_dialog);
            
        NS_ConvertUTF8toUTF16 newPassword (pwd);

        if (status == nsIPKCS11Slot::SLOT_UNINITIALIZED)
        {
            rv = token->InitPassword (newPassword.get ());
        }
        else
        {
            rv = token->ChangePassword (oldPassword.get (),
                            newPassword.get ());
        }
    }
    else
    {
        rv = NS_OK;
    }

    gtk_widget_destroy (GTK_WIDGET (dialog));

    *aCancelled = response != GTK_RESPONSE_ACCEPT;

    return rv;
}

/* void getPassword (in nsIInterfaceRequestor ctx, in wstring tokenName, out wstring password, out boolean canceled); */
NS_IMETHODIMP
GtkNSSDialogs::GetPassword(nsIInterfaceRequestor *aCtx,
               const PRUnichar *aTokenName,
               PRUnichar **aPassword,
               PRBool *aCancelled)
{
    NS_ENSURE_ARG_POINTER(aCancelled);

    nsresult rv;
    nsCOMPtr<nsIPK11Token> token;
    nsCOMPtr<nsIPKCS11Slot> slot;
    rv = GetTokenAndSlotFromName (aTokenName, getter_AddRefs (token),
                      getter_AddRefs (slot));
    NS_ENSURE_SUCCESS (rv, rv);
    NS_ENSURE_TRUE (token && slot, NS_ERROR_FAILURE);

    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (aCtx));
    GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

    AutoWindowModalState modalState (parent);

    EphyPasswordDialogFlags flags =
        EphyPasswordDialogFlags (EPHY_PASSWORD_DIALOG_FLAGS_SHOW_PASSWORD);

    GtkWidget *dialog = ephy_password_dialog_new
                (gparent,
                 _("Get Token Password"), /* FIXME */
                 flags);
    EphyPasswordDialog *password_dialog = EPHY_PASSWORD_DIALOG (dialog);

    /* Translators: A "token" is something that enables the user to authenticate himself or
         * prove his credentials. This can be either a hardware device (e.g. a smart-card), or
         * a data file (e.g. a cryptographic certificate).
         */
    char *message = g_markup_printf_escaped (_("Please enter the password for the “%s” token"),
                         NS_ConvertUTF16toUTF8 (aTokenName).get ());
    gtk_message_dialog_set_markup (GTK_MESSAGE_DIALOG (dialog),
                       message);
    g_free (message);

    int response = gtk_dialog_run (GTK_DIALOG (dialog));

    if (response == GTK_RESPONSE_ACCEPT)
    {
        const char *pwd = ephy_password_dialog_get_password (password_dialog);
        *aPassword = NS_StringCloneData (NS_ConvertUTF8toUTF16 (pwd));
    }
    
    gtk_widget_destroy (GTK_WIDGET (dialog));

    *aCancelled = response != GTK_RESPONSE_ACCEPT;

    return NS_OK;
}

/* nsITokenDialogs */

static void
SelectionChangedCallback (GtkComboBox *combo,
              GtkDialog *dialog)
{
  int active = gtk_combo_box_get_active (combo);
  gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_ACCEPT, active >= 0);
}

/* void ChooseToken (in nsIInterfaceRequestor ctx,
             [array, size_is (count)] in wstring tokenNameList,
             in unsigned long count,
             out wstring tokenName,
             out boolean canceled); */
NS_IMETHODIMP
GtkNSSDialogs::ChooseToken (nsIInterfaceRequestor *aContext,
                const PRUnichar **tokenNameList,
                PRUint32 count,
                PRUnichar **_tokenName,
                PRBool *_cancelled)
{
  NS_ENSURE_ARG (tokenNameList);
  NS_ENSURE_ARG (count);

  nsresult rv;
  AutoJSContextStack stack;
  rv = stack.Init ();
  if (NS_FAILED (rv)) return rv;

  /* Didn't you know it? MOZILLA SUCKS! ChooseToken is always called with |aContext| == NULL! See
   * http://bonsai.mozilla.org/cvsblame.cgi?file=mozilla/security/manager/ssl/src/nsKeygenHandler.cpp&rev=1.39&mark=346#346
   * Need to investigate if we it's always called directly from code called from JS, in which case we
   * can use EphyJSUtils::GetDOMWindowFromCallContext.
   */
  nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (aContext));
  GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

  AutoWindowModalState modalState (parent);

  GtkWidget *dialog = gtk_message_dialog_new
          (GTK_WINDOW (gparent),
           GTK_DIALOG_DESTROY_WITH_PARENT,
           GTK_MESSAGE_OTHER,
           GTK_BUTTONS_CANCEL,
           _("Please select a token:"));

  gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

  GtkWidget *combo = gtk_combo_box_new_text ();
  for (PRUint32 i = 0; i < count; ++i) {
    gtk_combo_box_append_text (GTK_COMBO_BOX (combo),
                   NS_ConvertUTF16toUTF8 (tokenNameList[i]).get ());
  }
  gtk_combo_box_set_active (GTK_COMBO_BOX (combo), -1);
  g_signal_connect (combo, "changed",
            G_CALLBACK (SelectionChangedCallback), dialog);

  /* FIXME: View Cert button? */

  GtkWidget *vbox = GTK_MESSAGE_DIALOG (dialog)->label->parent;
  gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);

  gtk_dialog_add_button (GTK_DIALOG (dialog),
             _("_Select"),
             GTK_RESPONSE_ACCEPT);

  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_REJECT);

  int response = gtk_dialog_run (GTK_DIALOG (dialog));
  int selected = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));

  gtk_widget_destroy (dialog);
    
  *_cancelled = response != GTK_RESPONSE_ACCEPT;

  if (response == GTK_RESPONSE_ACCEPT) {
    NS_ENSURE_TRUE (selected >= 0 && selected < (int) count, NS_ERROR_FAILURE);
    *_tokenName = NS_StringCloneData (nsDependentString (tokenNameList[selected]));
  }

  return NS_OK;
}

/* nsIDOMCryptoDialogs */

/* Note: this interface sucks! See https://bugzilla.mozilla.org/show_bug.cgi?id=341914 */

/* boolean ConfirmKeyEscrow (in nsIX509Cert escrowAuthority); */
NS_IMETHODIMP
GtkNSSDialogs::ConfirmKeyEscrow (nsIX509Cert *aEscrowAuthority,
                 PRBool *_retval)
{
  NS_ENSURE_ARG (aEscrowAuthority);

  nsresult rv;
  AutoJSContextStack stack;
  rv = stack.Init ();
  if (NS_FAILED (rv)) return rv;

#if 0
  nsCOMPtr<nsIDOMWindow> parent (do_GetInterface (aCtx));
#endif
  nsCOMPtr<nsIDOMWindow> parent (EphyJSUtils::GetDOMWindowFromCallContext ());
  GtkWidget *gparent = EphyUtils::FindGtkParent (parent);

  AutoWindowModalState modalState (parent);

  /* FIXME: is that guaranteed to be non-empty? */
  nsString commonName;
  aEscrowAuthority->GetCommonName (commonName);

  GtkWidget *dialog = gtk_message_dialog_new
            (GTK_WINDOW (gparent),
             GTK_DIALOG_DESTROY_WITH_PARENT,
             GTK_MESSAGE_WARNING /* QUESTION really but it's also a strong warnings... */,
             GTK_BUTTONS_NONE,
             _("Escrow the secret key?"));

  /* FIXME: If I understand the documentation of generateCRMFRequest
   * correctly, key escrow is never used for signing keys (if it were,
   * we'd have to warn that the cert authority can forge your signature
   * too).
   */
  gtk_message_dialog_format_secondary_text
    (GTK_MESSAGE_DIALOG (dialog),
     _("The certificate authority “%s” requests that you give it a copy "
       "of the newly generated secret key.\n\n"
       "This will enable the certificate authority read any "
       "communications encrypted with this key "
       "without your knowledge or consent.\n\n"
       "It is strongly recommended not to allow it."),
     NS_ConvertUTF16toUTF8 (commonName).get ());

  gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);

  GtkWidget *button = gtk_dialog_add_button (GTK_DIALOG (dialog),
                         _("_Reject"),
                         GTK_RESPONSE_REJECT);
  gtk_dialog_add_button (GTK_DIALOG (dialog),
             _("_Allow"),
             GTK_RESPONSE_ACCEPT);
  /* FIXME: View Cert button? */

  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_REJECT);
  gtk_widget_grab_focus (button);

  int response = gtk_dialog_run (GTK_DIALOG (dialog));
  gtk_widget_destroy (dialog);
    
  *_retval = response == GTK_RESPONSE_ACCEPT;

  return NS_OK;
}