/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright © 2015 Damián Nohales
* Copyright © 2012 – 2017 Red Hat, Inc.
*
* This library 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) any later version.
*
* This library 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 this library; if not, see <http://www.gnu.org/licenses/>.
*/
/* Based on code by the Epiphany team.
*/
#include "config.h"
#include <glib.h>
#include <glib/gi18n-lib.h>
#include <JavaScriptCore/JavaScript.h>
#include <libsoup/soup.h>
#include <webkit2/webkit2.h>
#include "goawebview.h"
#include "nautilus-floating-bar.h"
struct _GoaWebView
{
GtkOverlay parent_instance;
GoaProvider *provider;
GtkWidget *floating_bar;
GtkWidget *progress_bar;
GtkWidget *web_view;
WebKitUserContentManager *user_content_manager;
WebKitWebContext *context;
gchar *existing_identity;
gulong clear_notify_progress_id;
gulong notify_load_status_id;
gulong notify_progress_id;
};
struct _GoaWebViewClass
{
GtkOverlayClass parent_class;
};
enum
{
PROP_0,
PROP_EXISTING_IDENTITY,
PROP_PROVIDER
};
enum
{
DENY_CLICK,
PASSWORD_SUBMIT,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE (GoaWebView, goa_web_view, GTK_TYPE_OVERLAY)
static gboolean
web_view_clear_notify_progress_cb (gpointer user_data)
{
GoaWebView *self = GOA_WEB_VIEW (user_data);
gtk_widget_hide (self->progress_bar);
self->clear_notify_progress_id = 0;
return FALSE;
}
static char *
web_view_create_loading_title (const gchar *url)
{
SoupURI *uri;
const gchar *hostname;
gchar *title;
g_return_val_if_fail (url != NULL && url[0] != '\0', NULL);
uri = soup_uri_new (url);
hostname = soup_uri_get_host (uri);
/* translators: %s here is the address of the web page */
title = g_strdup_printf (_("Loading “%s”…"), hostname);
soup_uri_free (uri);
return title;
}
static void
web_view_floating_bar_update (GoaWebView *self, const gchar *text)
{
nautilus_floating_bar_set_label (NAUTILUS_FLOATING_BAR (self->floating_bar), text);
if (text == NULL || text[0] == '\0')
{
gtk_widget_hide (self->floating_bar);
gtk_widget_set_halign (self->floating_bar, GTK_ALIGN_START);
}
else
gtk_widget_show (self->floating_bar);
}
static void
web_view_initialize_web_extensions_cb (GoaWebView *self)
{
GVariant *data;
const gchar *existing_identity;
const gchar *provider_type;
webkit_web_context_set_web_extensions_directory (self->context, PACKAGE_WEB_EXTENSIONS_DIR);
if (self->provider == NULL)
return;
provider_type = goa_provider_get_provider_type (self->provider);
existing_identity = (self->existing_identity == NULL) ? "" : self->existing_identity;
data = g_variant_new ("(ss)", provider_type, existing_identity);
webkit_web_context_set_web_extensions_initialization_user_data (self->context, data);
}
#ifdef GOA_INSPECTOR_ENABLED
static void
web_view_inspector_closed_cb (WebKitWebInspector *inspector)
{
GtkWidget *window;
WebKitWebViewBase *inspector_web_view;
inspector_web_view = webkit_web_inspector_get_web_view (inspector);
window = gtk_widget_get_toplevel (GTK_WIDGET (inspector_web_view));
if (gtk_widget_is_toplevel (window))
gtk_widget_destroy (window);
}
static gboolean
web_view_inspector_open_window_cb (WebKitWebInspector *inspector)
{
GtkWidget *window;
GtkWindowGroup *group;
WebKitWebViewBase *inspector_web_view;
group = gtk_window_group_new ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_resize (GTK_WINDOW (window), 800, 600);
gtk_window_group_add_window (group, GTK_WINDOW (window));
g_object_unref (group);
inspector_web_view = webkit_web_inspector_get_web_view (inspector);
gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (inspector_web_view));
gtk_widget_show_all (window);
gtk_window_present (GTK_WINDOW (window));
return GDK_EVENT_STOP;
}
#endif /* GOA_INSPECTOR_ENABLED */
static void
web_view_load_changed_cb (WebKitWebView *web_view,
WebKitLoadEvent load_event,
gpointer user_data)
{
GoaWebView *self = GOA_WEB_VIEW (user_data);
switch (load_event)
{
case WEBKIT_LOAD_STARTED:
case WEBKIT_LOAD_COMMITTED:
{
const gchar *uri;
gchar *title;
uri = webkit_web_view_get_uri (web_view);
title = web_view_create_loading_title (uri);
web_view_floating_bar_update (self, title);
g_free (title);
break;
}
case WEBKIT_LOAD_REDIRECTED:
/* TODO: Update the loading uri */
break;
case WEBKIT_LOAD_FINISHED:
web_view_floating_bar_update (self, NULL);
break;
default:
break;
}
}
static void
web_view_notify_estimated_load_progress_cb (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GoaWebView *self = GOA_WEB_VIEW (user_data);
WebKitWebView *web_view = WEBKIT_WEB_VIEW (object);
gboolean loading;
const gchar *uri;
gdouble progress;
if (self->clear_notify_progress_id != 0)
{
g_source_remove (self->clear_notify_progress_id);
self->clear_notify_progress_id = 0;
}
uri = webkit_web_view_get_uri (web_view);
if (!uri || g_str_equal (uri, "about:blank"))
return;
progress = webkit_web_view_get_estimated_load_progress (web_view);
loading = webkit_web_view_is_loading (web_view);
if (progress == 1.0 || !loading)
self->clear_notify_progress_id = g_timeout_add (500, web_view_clear_notify_progress_cb, self);
else
gtk_widget_show (self->progress_bar);
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (self->progress_bar),
(loading || progress == 1.0) ? progress : 0.0);
}
static void
web_view_script_message_received_deny_click_cb (GoaWebView *self)
{
g_signal_emit (self, signals[DENY_CLICK], 0);
}
static void
web_view_script_message_received_password_submit_cb (GoaWebView *self, WebKitJavascriptResult *js_result)
{
JSGlobalContextRef js_context;
JSStringRef js_string;
JSValueRef js_value;
gsize max_size;
js_value = webkit_javascript_result_get_value (js_result);
js_context = webkit_javascript_result_get_global_context (js_result);
js_string = JSValueToStringCopy (js_context, js_value, NULL);
max_size = JSStringGetMaximumUTF8CStringSize (js_string);
if (max_size > 0)
{
gchar *password;
password = g_malloc0 (max_size);
JSStringGetUTF8CString (js_string, password, max_size);
g_signal_emit (self, signals[PASSWORD_SUBMIT], 0, password);
g_free (password);
}
JSStringRelease (js_string);
}
static void
goa_web_view_constructed (GObject *object)
{
GoaWebView *self = GOA_WEB_VIEW (object);
const gchar *const *language_names;
G_OBJECT_CLASS (goa_web_view_parent_class)->constructed (object);
self->context = webkit_web_context_new ();
language_names = g_get_language_names ();
webkit_web_context_set_preferred_languages (self->context, language_names);
g_signal_connect_swapped (self->context,
"initialize-web-extensions",
G_CALLBACK (web_view_initialize_web_extensions_cb),
self);
self->user_content_manager = webkit_user_content_manager_new ();
g_signal_connect_swapped (self->user_content_manager,
"script-message-received::deny-click",
G_CALLBACK (web_view_script_message_received_deny_click_cb),
self);
g_signal_connect_swapped (self->user_content_manager,
"script-message-received::password-submit",
G_CALLBACK (web_view_script_message_received_password_submit_cb),
self);
webkit_user_content_manager_register_script_message_handler (self->user_content_manager, "deny-click");
webkit_user_content_manager_register_script_message_handler (self->user_content_manager, "password-submit");
self->web_view = GTK_WIDGET (g_object_new (WEBKIT_TYPE_WEB_VIEW,
"user-content-manager", self->user_content_manager,
"web-context", self->context,
NULL));
gtk_widget_set_size_request (self->web_view, 500, 400);
gtk_container_add (GTK_CONTAINER (self), self->web_view);
#ifdef GOA_INSPECTOR_ENABLED
{
WebKitSettings *settings;
WebKitWebInspector *inspector;
/* Setup the inspector */
settings = webkit_web_view_get_settings (WEBKIT_WEB_VIEW (self->web_view));
g_object_set (settings, "enable-developer-extras", TRUE, NULL);
inspector = webkit_web_view_get_inspector (WEBKIT_WEB_VIEW (self->web_view));
g_signal_connect (inspector, "closed", G_CALLBACK (web_view_inspector_closed_cb), NULL);
g_signal_connect (inspector, "open-window", G_CALLBACK (web_view_inspector_open_window_cb), NULL);
}
#endif /* GOA_INSPECTOR_ENABLED */
/* statusbar is hidden by default */
self->floating_bar = nautilus_floating_bar_new (NULL, FALSE);
gtk_widget_set_halign (self->floating_bar, GTK_ALIGN_START);
gtk_widget_set_valign (self->floating_bar, GTK_ALIGN_END);
gtk_widget_set_no_show_all (self->floating_bar, TRUE);
gtk_overlay_add_overlay (GTK_OVERLAY (self), self->floating_bar);
self->progress_bar = gtk_progress_bar_new ();
gtk_style_context_add_class (gtk_widget_get_style_context (self->progress_bar),
GTK_STYLE_CLASS_OSD);
gtk_widget_set_halign (self->progress_bar, GTK_ALIGN_FILL);
gtk_widget_set_valign (self->progress_bar, GTK_ALIGN_START);
gtk_overlay_add_overlay (GTK_OVERLAY (self), self->progress_bar);
self->notify_progress_id = g_signal_connect (self->web_view,
"notify::estimated-load-progress",
G_CALLBACK (web_view_notify_estimated_load_progress_cb),
self);
self->notify_load_status_id = g_signal_connect (self->web_view,
"load_changed",
G_CALLBACK (web_view_load_changed_cb),
self);
}
static void
goa_web_view_dispose (GObject *object)
{
GoaWebView *self = GOA_WEB_VIEW (object);
g_clear_object (&self->user_content_manager);
g_clear_object (&self->context);
if (self->clear_notify_progress_id != 0)
{
g_source_remove (self->clear_notify_progress_id);
self->clear_notify_progress_id = 0;
}
if (self->notify_load_status_id != 0)
{
g_signal_handler_disconnect (self->web_view, self->notify_load_status_id);
self->notify_load_status_id = 0;
}
if (self->notify_progress_id != 0)
{
g_signal_handler_disconnect (self->web_view, self->notify_progress_id);
self->notify_progress_id = 0;
}
G_OBJECT_CLASS (goa_web_view_parent_class)->dispose (object);
}
static void
goa_web_view_finalize (GObject *object)
{
GoaWebView *self = GOA_WEB_VIEW (object);
g_free (self->existing_identity);
if (self->provider != NULL)
g_object_remove_weak_pointer (G_OBJECT (self->provider), (gpointer *) &self->provider);
G_OBJECT_CLASS (goa_web_view_parent_class)->finalize (object);
}
static void
goa_web_view_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GoaWebView *self = GOA_WEB_VIEW (object);
switch (prop_id)
{
case PROP_EXISTING_IDENTITY:
self->existing_identity = g_value_dup_string (value);
break;
case PROP_PROVIDER:
self->provider = GOA_PROVIDER (g_value_get_object (value));
if (self->provider != NULL)
g_object_add_weak_pointer (G_OBJECT (self->provider), (gpointer *) &self->provider);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
goa_web_view_init (GoaWebView *self)
{
}
static void
goa_web_view_class_init (GoaWebViewClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->constructed = goa_web_view_constructed;
object_class->dispose = goa_web_view_dispose;
object_class->finalize = goa_web_view_finalize;
object_class->set_property = goa_web_view_set_property;
g_object_class_install_property (object_class,
PROP_EXISTING_IDENTITY,
g_param_spec_string ("existing-identity",
"A GoaAccount identity",
"The user name with which we want to prefill the form",
NULL,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_PROVIDER,
g_param_spec_object ("provider",
"A GoaProvider",
"The provider that is represented by this view",
GOA_TYPE_PROVIDER,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
signals[DENY_CLICK] = g_signal_new ("deny-click",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
signals[PASSWORD_SUBMIT] = g_signal_new ("password-submit",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE,
1,
G_TYPE_STRING);
}
GtkWidget *
goa_web_view_new (GoaProvider *provider, const gchar *existing_identity)
{
return g_object_new (GOA_TYPE_WEB_VIEW, "provider", provider, "existing-identity", existing_identity, NULL);
}
GtkWidget *
goa_web_view_get_view (GoaWebView *self)
{
return self->web_view;
}
void
goa_web_view_fake_mobile (GoaWebView *self)
{
WebKitSettings *settings;
settings = webkit_web_view_get_settings (WEBKIT_WEB_VIEW (self->web_view));
/* This is based on the HTC Wildfire's user agent. Some
* providers, like Google, refuse to provide the mobile
* version of their authentication pages otherwise. eg.,
* in Google's case, passing btmpl=mobile does not help.
*
* The actual user agent used by a HTC Wildfire is:
* Mozilla/5.0 (Linux; U; Android 2.2.1; en-us; HTC Wildfire
* Build/FRG83D) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0
* Mobile Safari/533.1
*
* Also note that the user agents of some mobile browsers may
* not work. eg., Nokia N9.
*/
webkit_settings_set_user_agent (settings,
"Mozilla/5.0 (GNOME; not Android) "
"AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile");
}