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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=2 sts=2 et: */
/*
* Copyright © 2012 Igalia S.L.
*
* 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.
*/
#include "config.h"
#include "ephy-web-extension.h"
#include "ephy-debug.h"
#include "ephy-prefs.h"
#include "ephy-settings.h"
#include "ephy-web-dom-utils.h"
#include "uri-tester.h"
#include <gio/gio.h>
#include <webkit2/webkit-web-extension.h>
static UriTester *uri_tester;
static const char introspection_xml[] =
"<node>"
" <interface name='org.gnome.Epiphany.WebExtension'>"
" <method name='HasModifiedForms'>"
" <arg type='t' name='page_id' direction='in'/>"
" <arg type='b' name='has_modified_forms' direction='out'/>"
" </method>"
" <method name='GetWebAppTitle'>"
" <arg type='t' name='page_id' direction='in'/>"
" <arg type='s' name='title' direction='out'/>"
" </method>"
" <method name='GetBestWebAppIcon'>"
" <arg type='t' name='page_id' direction='in'/>"
" <arg type='s' name='base_uri' direction='in'/>"
" <arg type='b' name='result' direction='out'/>"
" <arg type='s' name='uri' direction='out'/>"
" <arg type='s' name='color' direction='out'/>"
" </method>"
" </interface>"
"</node>";
static WebKitWebPage*
get_webkit_web_page_or_return_dbus_error (GDBusMethodInvocation *invocation,
WebKitWebExtension *web_extension,
guint64 page_id)
{
WebKitWebPage *web_page = webkit_web_extension_get_page (web_extension, page_id);
if (!web_page) {
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
"Invalid page ID: %"G_GUINT64_FORMAT, page_id);
}
return web_page;
}
static void
handle_method_call (GDBusConnection *connection,
const char *sender,
const char *object_path,
const char *interface_name,
const char *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
WebKitWebExtension *web_extension = WEBKIT_WEB_EXTENSION (user_data);
if (g_strcmp0 (interface_name, EPHY_WEB_EXTENSION_INTERFACE) != 0)
return;
if (g_strcmp0 (method_name, "HasModifiedForms") == 0) {
WebKitWebPage *web_page;
WebKitDOMDocument *document;
guint64 page_id;
gboolean has_modifed_forms;
g_variant_get (parameters, "(t)", &page_id);
web_page = get_webkit_web_page_or_return_dbus_error (invocation, web_extension, page_id);
if (!web_page)
return;
document = webkit_web_page_get_dom_document (web_page);
has_modifed_forms = ephy_web_dom_utils_has_modified_forms (document);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", has_modifed_forms));
} else if (g_strcmp0 (method_name, "GetWebAppTitle") == 0) {
WebKitWebPage *web_page;
WebKitDOMDocument *document;
char *title = NULL;
guint64 page_id;
g_variant_get (parameters, "(t)", &page_id);
web_page = get_webkit_web_page_or_return_dbus_error (invocation, web_extension, page_id);
if (!web_page)
return;
document = webkit_web_page_get_dom_document (web_page);
title = ephy_web_dom_utils_get_application_title (document);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", title ? title : ""));
} else if (g_strcmp0 (method_name, "GetBestWebAppIcon") == 0) {
WebKitWebPage *web_page;
WebKitDOMDocument *document;
char *base_uri = NULL;
char *uri = NULL;
char *color = NULL;
guint64 page_id;
gboolean result;
g_variant_get (parameters, "(ts)", &page_id, &base_uri);
web_page = get_webkit_web_page_or_return_dbus_error (invocation, web_extension, page_id);
if (!web_page)
return;
if (base_uri == NULL || base_uri == '\0') {
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS,
"Base URI cannot be NULL or empty");
return;
}
document= webkit_web_page_get_dom_document (web_page);
result = ephy_web_dom_utils_get_best_icon (document, base_uri, &uri, &color);
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(bss)", result, uri ? uri : "", color ? color : ""));
}
}
static const GDBusInterfaceVTable interface_vtable = {
handle_method_call,
NULL,
NULL
};
static void
bus_acquired_cb (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
guint registration_id;
GError *error = NULL;
static GDBusNodeInfo *introspection_data = NULL;
if (!introspection_data)
introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
registration_id = g_dbus_connection_register_object (connection,
EPHY_WEB_EXTENSION_OBJECT_PATH,
introspection_data->interfaces[0],
&interface_vtable,
g_object_ref (user_data),
(GDestroyNotify)g_object_unref,
&error);
if (!registration_id) {
g_warning ("Failed to register object: %s\n", error->message);
g_error_free (error);
}
}
static gboolean
web_page_send_request (WebKitWebPage *web_page,
WebKitURIRequest *request,
WebKitURIResponse *redirected_response,
gpointer user_data)
{
const char *request_uri;
const char *page_uri;
/* FIXME: Instead of checking the setting here, connect to the signal
* or not depending on the setting.
*/
if (!g_settings_get_boolean (EPHY_SETTINGS_WEB, EPHY_PREFS_WEB_ENABLE_ADBLOCK))
return FALSE;
request_uri = webkit_uri_request_get_uri (request);
page_uri = webkit_web_page_get_uri (web_page);
/* Always load the main resource. */
if (g_strcmp0 (request_uri, page_uri) == 0)
return FALSE;
return uri_tester_test_uri (uri_tester, request_uri, page_uri, AD_URI_CHECK_TYPE_OTHER);
}
static void
web_page_created_callback (WebKitWebExtension *extension,
WebKitWebPage *web_page,
gpointer user_data)
{
g_signal_connect_object (web_page, "send-request",
G_CALLBACK (web_page_send_request),
NULL, 0);
}
G_MODULE_EXPORT void
webkit_web_extension_initialize (WebKitWebExtension *extension)
{
char *service_name;
ephy_debug_init ();
uri_tester = uri_tester_new (g_getenv ("EPHY_DOT_DIR"));
g_signal_connect (extension, "page-created",
G_CALLBACK (web_page_created_callback),
NULL);
service_name = g_strdup_printf ("%s-%s", EPHY_WEB_EXTENSION_SERVICE_NAME, g_getenv ("EPHY_WEB_EXTENSION_ID"));
g_bus_own_name (G_BUS_TYPE_SESSION,
service_name,
G_BUS_NAME_OWNER_FLAGS_NONE,
bus_acquired_cb,
NULL, NULL,
g_object_ref (extension),
(GDestroyNotify)g_object_unref);
g_free (service_name);
}
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