path: root/mail/e-mail-config-security-page.c

/*
 * e-mail-config-security-page.c
 *
 * 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/>
 *
 */

#include "e-mail-config-security-page.h"

#include <config.h>
#include <glib/gi18n-lib.h>

#include <libebackend/libebackend.h>

#if defined (HAVE_NSS)
#include <smime/gui/e-cert-selector.h>
#endif /* HAVE_NSS */

#define E_MAIL_CONFIG_SECURITY_PAGE_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_CONFIG_SECURITY_PAGE, EMailConfigSecurityPagePrivate))

struct _EMailConfigSecurityPagePrivate {
    ESource *identity_source;
};

enum {
    PROP_0,
    PROP_IDENTITY_SOURCE
};

/* Forward Declarations */
static void e_mail_config_security_page_interface_init
                    (EMailConfigPageInterface *interface);

G_DEFINE_TYPE_WITH_CODE (
    EMailConfigSecurityPage,
    e_mail_config_security_page,
    GTK_TYPE_BOX,
    G_IMPLEMENT_INTERFACE (
        E_TYPE_EXTENSIBLE, NULL)
    G_IMPLEMENT_INTERFACE (
        E_TYPE_MAIL_CONFIG_PAGE,
        e_mail_config_security_page_interface_init))

static gboolean
mail_config_security_page_string_has_text (GBinding *binding,
                                           const GValue *source_value,
                                           GValue *target_value,
                                           gpointer unused)
{
    const gchar *string;
    gchar *stripped;

    string = g_value_get_string (source_value);

    if (string == NULL)
        string = "";

    stripped = g_strstrip (g_strdup (string));
    g_value_set_boolean (target_value, *stripped != '\0');
    g_free (stripped);

    return TRUE;
}

static void
mail_config_security_page_cert_selected (ECertSelector *selector,
                                         const gchar *key,
                                         GtkEntry *entry)
{
    if (key != NULL)
        gtk_entry_set_text (entry, key);

    gtk_widget_destroy (GTK_WIDGET (selector));
}

static void
mail_config_security_page_select_encrypt_cert (GtkButton *button,
                                               GtkEntry *entry)
{
    GtkWidget *selector;
    gpointer parent;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
    parent = GTK_IS_WIDGET (parent) ? parent : NULL;

    selector = e_cert_selector_new (
        E_CERT_SELECTOR_RECIPIENT,
        gtk_entry_get_text (entry));
    gtk_window_set_transient_for (
        GTK_WINDOW (selector), parent);
    gtk_widget_show (selector);

    g_signal_connect (
        selector, "selected",
        G_CALLBACK (mail_config_security_page_cert_selected),
        entry);
}

static void
mail_config_security_page_select_sign_cert (GtkButton *button,
                                            GtkEntry *entry)
{
    GtkWidget *selector;
    gpointer parent;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
    parent = GTK_IS_WIDGET (parent) ? parent : NULL;

    selector = e_cert_selector_new (
        E_CERT_SELECTOR_SIGNER,
        gtk_entry_get_text (entry));
    gtk_window_set_transient_for (
        GTK_WINDOW (selector), parent);
    gtk_widget_show (selector);

    g_signal_connect (
        selector, "selected",
        G_CALLBACK (mail_config_security_page_cert_selected),
        entry);
}

static void
mail_config_security_page_clear_cert (GtkButton *button,
                                      GtkEntry *entry)
{
    gtk_entry_set_text (entry, "");
}

static void
mail_config_security_page_set_identity_source (EMailConfigSecurityPage *page,
                                               ESource *identity_source)
{
    g_return_if_fail (E_IS_SOURCE (identity_source));
    g_return_if_fail (page->priv->identity_source == NULL);

    page->priv->identity_source = g_object_ref (identity_source);
}

static void
mail_config_security_page_set_property (GObject *object,
                                        guint property_id,
                                        const GValue *value,
                                        GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_IDENTITY_SOURCE:
            mail_config_security_page_set_identity_source (
                E_MAIL_CONFIG_SECURITY_PAGE (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_config_security_page_get_property (GObject *object,
                                        guint property_id,
                                        GValue *value,
                                        GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_IDENTITY_SOURCE:
            g_value_set_object (
                value,
                e_mail_config_security_page_get_identity_source (
                E_MAIL_CONFIG_SECURITY_PAGE (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_config_security_page_dispose (GObject *object)
{
    EMailConfigSecurityPagePrivate *priv;

    priv = E_MAIL_CONFIG_SECURITY_PAGE_GET_PRIVATE (object);

    if (priv->identity_source != NULL) {
        g_object_unref (priv->identity_source);
        priv->identity_source = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_mail_config_security_page_parent_class)->
        dispose (object);
}

static void
mail_config_security_page_constructed (GObject *object)
{
    EMailConfigSecurityPage *page;
    ESource *source;
    ESourceMailComposition *composition_ext;
    ESourceOpenPGP *openpgp_ext;
    GtkEntry *entry;
    GtkLabel *label;
    GtkWidget *widget;
    GtkWidget *container;
    GtkSizeGroup *size_group;
    const gchar *extension_name;
    const gchar *text;
    gchar *markup;

#if defined (HAVE_NSS)
    ESourceSMIME *smime_ext;
#endif /* HAVE_NSS */

    page = E_MAIL_CONFIG_SECURITY_PAGE (object);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_mail_config_security_page_parent_class)->
        constructed (object);

    source = e_mail_config_security_page_get_identity_source (page);

    extension_name = E_SOURCE_EXTENSION_MAIL_COMPOSITION;
    composition_ext = e_source_get_extension (source, extension_name);

    extension_name = E_SOURCE_EXTENSION_OPENPGP;
    openpgp_ext = e_source_get_extension (source, extension_name);

#if defined (HAVE_NSS)
    extension_name = E_SOURCE_EXTENSION_SMIME;
    smime_ext = e_source_get_extension (source, extension_name);
#endif /* HAVE_NSS */

    gtk_orientable_set_orientation (
        GTK_ORIENTABLE (page), GTK_ORIENTATION_VERTICAL);

    gtk_box_set_spacing (GTK_BOX (page), 12);

    size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);

    /*** General ***/

    widget = gtk_grid_new ();
    gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
    gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
    gtk_box_pack_start (GTK_BOX (page), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    container = widget;

    text = _("General");
    markup = g_markup_printf_escaped ("<b>%s</b>", text);
    widget = gtk_label_new (markup);
    gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 1, 1);
    gtk_widget_show (widget);
    g_free (markup);

    text = _("_Do not sign meeting requests (for Outlook compatibility)");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 1, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        composition_ext, "sign-imip",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /*** Pretty Good Privacy (OpenPGP) ***/

    widget = gtk_grid_new ();
    gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
    gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
    gtk_box_pack_start (GTK_BOX (page), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    container = widget;

    text = _("Pretty Good Privacy (OpenPGP)");
    markup = g_markup_printf_escaped ("<b>%s</b>", text);
    widget = gtk_label_new (markup);
    gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 2, 1);
    gtk_widget_show (widget);
    g_free (markup);

    text = _("OpenPGP _Key ID:");
    widget = gtk_label_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_size_group_add_widget (size_group, widget);
    gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 1, 1, 1);
    gtk_widget_show (widget);

    label = GTK_LABEL (widget);

    widget = gtk_entry_new ();
    gtk_widget_set_hexpand (widget, TRUE);
    gtk_label_set_mnemonic_widget (label, widget);
    gtk_grid_attach (GTK_GRID (container), widget, 1, 1, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        openpgp_ext, "key-id",
        widget, "text",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    text = _("Si_gning algorithm:");
    widget = gtk_label_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_size_group_add_widget (size_group, widget);
    gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 2, 1, 1);
    gtk_widget_show (widget);

    label = GTK_LABEL (widget);

    widget = gtk_combo_box_text_new ();
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "", _("Default"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha1", _("SHA1"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha256", _("SHA256"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha384", _("SHA384"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha512", _("SHA512"));
    gtk_widget_set_halign (widget, GTK_ALIGN_START);
    gtk_label_set_mnemonic_widget (label, widget);
    gtk_grid_attach (GTK_GRID (container), widget, 1, 2, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        openpgp_ext, "signing-algorithm",
        widget, "active-id",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    /* Make sure the combo box has an active item. */
    if (gtk_combo_box_get_active_id (GTK_COMBO_BOX (widget)) == NULL)
        gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);

    text = _("Al_ways sign outgoing messages when using this account");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 3, 2, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        openpgp_ext, "sign-by-default",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    text = _("Always encrypt to _myself when sending encrypted messages");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 4, 2, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        openpgp_ext, "encrypt-to-self",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    text = _("Always _trust keys in my keyring when encrypting");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 5, 2, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        openpgp_ext, "always-trust",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

#if defined (HAVE_NSS)

    /*** Security MIME (S/MIME) ***/

    widget = gtk_grid_new ();
    gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
    gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
    gtk_box_pack_start (GTK_BOX (page), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    container = widget;

    text = _("Secure MIME (S/MIME)");
    markup = g_markup_printf_escaped ("<b>%s</b>", text);
    widget = gtk_label_new (markup);
    gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 4, 1);
    gtk_widget_show (widget);
    g_free (markup);

    text = _("Sig_ning certificate:");
    widget = gtk_label_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_size_group_add_widget (size_group, widget);
    gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 1, 1, 1);
    gtk_widget_show (widget);

    label = GTK_LABEL (widget);

    widget = gtk_entry_new ();
    gtk_widget_set_hexpand (widget, TRUE);
    gtk_label_set_mnemonic_widget (label, widget);
    gtk_grid_attach (GTK_GRID (container), widget, 1, 1, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "signing-certificate",
        widget, "text",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    entry = GTK_ENTRY (widget);

    widget = gtk_button_new_with_label (_("Select"));
    gtk_grid_attach (GTK_GRID (container), widget, 2, 1, 1, 1);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (mail_config_security_page_select_sign_cert),
        entry);

    widget = gtk_button_new_from_stock (GTK_STOCK_CLEAR);
    gtk_grid_attach (GTK_GRID (container), widget, 3, 1, 1, 1);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (mail_config_security_page_clear_cert),
        entry);

    text = _("Signing _algorithm:");
    widget = gtk_label_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_size_group_add_widget (size_group, widget);
    gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 2, 1, 1);
    gtk_widget_show (widget);

    label = GTK_LABEL (widget);

    widget = gtk_combo_box_text_new ();
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "", _("Default"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha1", _("SHA1"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha256", _("SHA256"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha384", _("SHA384"));
    gtk_combo_box_text_append (
        GTK_COMBO_BOX_TEXT (widget),
        "sha512", _("SHA512"));
    gtk_widget_set_halign (widget, GTK_ALIGN_START);
    gtk_label_set_mnemonic_widget (label, widget);
    gtk_grid_attach (GTK_GRID (container), widget, 1, 2, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "signing-algorithm",
        widget, "active-id",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    /* Make sure the combo box has an active item. */
    if (gtk_combo_box_get_active_id (GTK_COMBO_BOX (widget)) == NULL)
        gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);

    text = _("Always sign outgoing messages when using this account");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 3, 4, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "sign-by-default",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    g_object_bind_property_full (
        smime_ext, "signing-certificate",
        widget, "sensitive",
        G_BINDING_SYNC_CREATE,
        mail_config_security_page_string_has_text,
        NULL,
        NULL, (GDestroyNotify) NULL);

    /* Add extra padding between signing stuff and encryption stuff. */
    gtk_widget_set_margin_bottom (widget, 6);

    text = _("Encryption certificate:");
    widget = gtk_label_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_size_group_add_widget (size_group, widget);
    gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 4, 1, 1);
    gtk_widget_show (widget);

    label = GTK_LABEL (widget);

    widget = gtk_entry_new ();
    gtk_widget_set_hexpand (widget, TRUE);
    gtk_label_set_mnemonic_widget (label, widget);
    gtk_grid_attach (GTK_GRID (container), widget, 1, 4, 1, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "encryption-certificate",
        widget, "text",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    entry = GTK_ENTRY (widget);

    widget = gtk_button_new_with_label (_("Select"));
    gtk_grid_attach (GTK_GRID (container), widget, 2, 4, 1, 1);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (mail_config_security_page_select_encrypt_cert),
        entry);

    widget = gtk_button_new_from_stock (GTK_STOCK_CLEAR);
    gtk_grid_attach (GTK_GRID (container), widget, 3, 4, 1, 1);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (mail_config_security_page_clear_cert),
        entry);

    text = _("Always encrypt outgoing messages when using this account");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 5, 4, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "encrypt-by-default",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    g_object_bind_property_full (
        smime_ext, "encryption-certificate",
        widget, "sensitive",
        G_BINDING_SYNC_CREATE,
        mail_config_security_page_string_has_text,
        NULL,
        NULL, (GDestroyNotify) NULL);

    text = _("Always encrypt to myself when sending encrypted messages");
    widget = gtk_check_button_new_with_mnemonic (text);
    gtk_widget_set_margin_left (widget, 12);
    gtk_grid_attach (GTK_GRID (container), widget, 0, 6, 4, 1);
    gtk_widget_show (widget);

    g_object_bind_property (
        smime_ext, "encrypt-to-self",
        widget, "active",
        G_BINDING_SYNC_CREATE |
        G_BINDING_BIDIRECTIONAL);

    g_object_bind_property_full (
        smime_ext, "encryption-certificate",
        widget, "sensitive",
        G_BINDING_SYNC_CREATE,
        mail_config_security_page_string_has_text,
        NULL,
        NULL, (GDestroyNotify) NULL);

#endif /* HAVE_NSS */

    g_object_unref (size_group);

    e_extensible_load_extensions (E_EXTENSIBLE (page));
}

static void
e_mail_config_security_page_class_init (EMailConfigSecurityPageClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (
        class, sizeof (EMailConfigSecurityPagePrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_config_security_page_set_property;
    object_class->get_property = mail_config_security_page_get_property;
    object_class->dispose = mail_config_security_page_dispose;
    object_class->constructed = mail_config_security_page_constructed;

    g_object_class_install_property (
        object_class,
        PROP_IDENTITY_SOURCE,
        g_param_spec_object (
            "identity-source",
            "Identity Source",
            "Mail identity source being edited",
            E_TYPE_SOURCE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));
}

static void
e_mail_config_security_page_interface_init (EMailConfigPageInterface *interface)
{
    interface->title = _("Security");
    interface->sort_order = E_MAIL_CONFIG_SECURITY_PAGE_SORT_ORDER;
}

static void
e_mail_config_security_page_init (EMailConfigSecurityPage *page)
{
    page->priv = E_MAIL_CONFIG_SECURITY_PAGE_GET_PRIVATE (page);
}

EMailConfigPage *
e_mail_config_security_page_new (ESource *identity_source)
{
    g_return_val_if_fail (E_IS_SOURCE (identity_source), NULL);

    return g_object_new (
        E_TYPE_MAIL_CONFIG_SECURITY_PAGE,
        "identity-source", identity_source, NULL);
}

ESource *
e_mail_config_security_page_get_identity_source (EMailConfigSecurityPage *page)
{
    g_return_val_if_fail (E_IS_MAIL_CONFIG_SECURITY_PAGE (page), NULL);

    return page->priv->identity_source;
}