386 lines
14 KiB
C
386 lines
14 KiB
C
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/*
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Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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See the file COPYING for the full license text.
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*/
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#include <midori/midori.h>
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#include <midori/sokoke.h>
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#include "config.h"
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#include <glib/gstdio.h>
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static void
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adblock_app_add_browser_cb (MidoriApp* app,
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MidoriBrowser* browser,
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MidoriExtension* extension);
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static void
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adblock_deactivate_cb (MidoriExtension* extension,
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GtkWidget* menuitem)
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{
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MidoriApp* app = midori_extension_get_app (extension);
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gtk_widget_destroy (menuitem);
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g_signal_handlers_disconnect_by_func (
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extension, adblock_deactivate_cb, menuitem);
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g_signal_handlers_disconnect_by_func (
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app, adblock_app_add_browser_cb, extension);
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/* FIXME: Disconnect session callbacks */
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}
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static void
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adblock_preferences_render_text (GtkTreeViewColumn* column,
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GtkCellRenderer* renderer,
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GtkTreeModel* model,
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GtkTreeIter* iter,
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MidoriExtension* extension)
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{
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gchar* uri;
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gtk_tree_model_get (model, iter, 0, &uri, -1);
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g_object_set (renderer, "text", uri, NULL);
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g_free (uri);
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}
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static GtkWidget*
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adblock_get_preferences_dialog (MidoriExtension* extension)
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{
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MidoriApp* app;
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GtkWidget* browser;
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const gchar* dialog_title;
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GtkWidget* dialog;
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gint width, height;
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GtkWidget* xfce_heading;
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GtkWidget* hbox;
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GtkListStore* liststore;
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GtkWidget* treeview;
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GtkTreeViewColumn* column;
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GtkCellRenderer* renderer_text;
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GtkCellRenderer* renderer_pixbuf;
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GtkWidget* scrolled;
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gchar** filters;
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GtkWidget* vbox;
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GtkWidget* button;
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#if HAVE_OSX
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GtkWidget* icon;
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#endif
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app = midori_extension_get_app (extension);
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browser = katze_object_get_object (app, "browser");
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dialog_title = _("Configure Advertisement filters");
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dialog = gtk_dialog_new_with_buttons (dialog_title, GTK_WINDOW (browser),
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GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_NO_SEPARATOR,
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#if !HAVE_OSX
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GTK_STOCK_HELP, GTK_RESPONSE_HELP,
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GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
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#endif
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NULL);
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g_signal_connect (dialog, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &dialog);
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gtk_window_set_icon_name (GTK_WINDOW (dialog), GTK_STOCK_PROPERTIES);
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/* TODO: Implement some kind of help function */
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gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
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GTK_RESPONSE_HELP, FALSE);
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sokoke_widget_get_text_size (dialog, "M", &width, &height);
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gtk_window_set_default_size (GTK_WINDOW (dialog), width * 52, -1);
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g_signal_connect (dialog, "response",
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G_CALLBACK (gtk_widget_destroy), dialog);
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/* TODO: We need mnemonics */
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if ((xfce_heading = sokoke_xfce_header_new (
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gtk_window_get_icon_name (GTK_WINDOW (dialog)), dialog_title)))
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
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xfce_heading, FALSE, FALSE, 0);
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
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TRUE, TRUE, 12);
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liststore = gtk_list_store_new (1, G_TYPE_STRING);
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treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (liststore));
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gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
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column = gtk_tree_view_column_new ();
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renderer_pixbuf = gtk_cell_renderer_pixbuf_new ();
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gtk_tree_view_column_pack_start (column, renderer_pixbuf, FALSE);
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/* gtk_tree_view_column_set_cell_data_func (column, renderer_pixbuf,
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(GtkTreeCellDataFunc)adblock_preferences_render_icon_cb,
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treeview, NULL); */
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renderer_text = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, renderer_text, TRUE);
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gtk_tree_view_column_set_cell_data_func (column, renderer_text,
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(GtkTreeCellDataFunc)adblock_preferences_render_text,
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extension, NULL);
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gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
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scrolled = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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gtk_container_add (GTK_CONTAINER (scrolled), treeview);
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gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled),
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GTK_SHADOW_IN);
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gtk_box_pack_start (GTK_BOX (hbox), scrolled, TRUE, TRUE, 5);
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filters = midori_extension_get_string_list (extension, "filters", NULL);
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if (filters != NULL)
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{
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gsize i = 0;
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while (filters[i++] != NULL)
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gtk_list_store_insert_with_values (GTK_LIST_STORE (liststore),
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NULL, i - 1, 0, filters[i -1], -1);
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}
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g_strfreev (filters);
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g_object_unref (liststore);
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vbox = gtk_vbox_new (FALSE, 4);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 4);
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button = gtk_button_new_from_stock (GTK_STOCK_ADD);
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/* g_signal_connect (button, "clicked",
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G_CALLBACK (adblock_preferences_add_cb), extension); */
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gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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gtk_widget_set_sensitive (button, FALSE);
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button = gtk_button_new_from_stock (GTK_STOCK_EDIT);
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gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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gtk_widget_set_sensitive (button, FALSE);
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button = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
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/* g_signal_connect (button, "clicked",
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G_CALLBACK (adblock_preferences_remove_cb), extension); */
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gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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gtk_widget_set_sensitive (button, FALSE);
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button = gtk_label_new (""); /* This is an invisible separator */
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gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 8);
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gtk_widget_set_sensitive (button, FALSE);
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button = gtk_label_new (""); /* This is an invisible separator */
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gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 12);
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button = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
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gtk_widget_set_sensitive (button, FALSE);
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gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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button = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
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gtk_widget_set_sensitive (button, FALSE);
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gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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#if HAVE_OSX
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hbox = gtk_hbox_new (FALSE, 0);
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button = gtk_button_new ();
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icon = gtk_image_new_from_stock (GTK_STOCK_HELP, GTK_ICON_SIZE_BUTTON);
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gtk_button_set_image (GTK_BUTTON (button), icon);
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/* TODO: Implement some kind of help function */
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gtk_widget_set_sensitive (button, FALSE);
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/* g_signal_connect (button, "clicked",
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G_CALLBACK (adblock_preferences_help_clicked_cb), dialog); */
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gtk_box_pack_end (GTK_BOX (hbox),
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button, FALSE, FALSE, 4);
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gtk_box_pack_end (GTK_BOX (GTK_DIALOG (dialog)->vbox),
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hbox, FALSE, FALSE, 0);
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#endif
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gtk_widget_show_all (GTK_DIALOG (dialog)->vbox);
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g_object_unref (browser);
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return dialog;
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}
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static void
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adblock_menu_configure_filters_activate_cb (GtkWidget* menuitem,
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MidoriExtension* extension)
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{
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static GtkWidget* dialog = NULL;
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if (!dialog)
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{
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dialog = adblock_get_preferences_dialog (extension);
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g_signal_connect (dialog, "destroy",
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G_CALLBACK (gtk_widget_destroyed), &dialog);
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gtk_widget_show (dialog);
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}
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else
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gtk_window_present (GTK_WINDOW (dialog));
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}
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static void
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adblock_app_add_browser_cb (MidoriApp* app,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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GtkWidget* panel;
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GtkWidget* menu;
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GtkWidget* menuitem;
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panel = katze_object_get_object (browser, "panel");
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menu = katze_object_get_object (panel, "menu");
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menuitem = gtk_menu_item_new_with_mnemonic (_("Configure _Advertisement filters..."));
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g_signal_connect (menuitem, "activate",
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G_CALLBACK (adblock_menu_configure_filters_activate_cb), extension);
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gtk_widget_show (menuitem);
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gtk_menu_shell_insert (GTK_MENU_SHELL (menu), menuitem, 3);
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g_object_unref (menu);
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g_object_unref (panel);
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g_signal_connect (extension, "deactivate",
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G_CALLBACK (adblock_deactivate_cb), menuitem);
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}
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static void
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adblock_session_request_queued_cb (SoupSession* session,
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SoupMessage* msg,
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GRegex* regex)
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{
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SoupURI* soup_uri = soup_message_get_uri (msg);
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gchar* uri = soup_uri ? soup_uri_to_string (soup_uri, FALSE) : g_strdup ("");
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if (g_regex_match_full (regex, uri, -1, 0, 0, NULL, NULL))
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{
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/* g_debug ("match! '%s'", uri); */
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/* FIXME: This leads to funny error pages if frames are blocked */
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soup_message_set_response (msg, "text/plain", SOUP_MEMORY_STATIC, "adblock", 7);
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}
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g_free (uri);
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}
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static void
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adblock_session_add_filter (SoupSession* session,
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gchar* path)
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{
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FILE* file;
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if ((file = g_fopen (path, "r")))
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{
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/* We assume filter lists found on the web are commonly very long */
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GString* pattern = g_string_sized_new (1000 * 200);
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gchar line[255];
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GRegex* regex;
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GError* error;
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while (fgets (line, 255, file))
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{
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/* Ignore comments and new lines */
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if (line[0] == '!')
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continue;
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/* FIXME: No support for whitelisting */
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if (line[0] == '@' && line[1] == '@')
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continue;
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/* FIXME: Differentiate # comments from element hiding */
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/* FIXME: No support for element hiding */
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if (line[0] == '#' && line[1] == '#')
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continue;
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/* FIXME: No support for [include] and [exclude] tags */
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if (line[0] == '[')
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continue;
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g_strchomp (line);
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g_string_append (pattern, line);
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g_string_append_c (pattern, '|');
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}
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error = NULL;
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if (pattern->len > 2 &&
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(regex = g_regex_new (pattern->str, G_REGEX_OPTIMIZE,
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G_REGEX_MATCH_NOTEMPTY, &error)))
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{
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/* g_debug ("%s: '%s'", G_STRFUNC, pattern->str); */
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g_signal_connect_data (session, "request-queued",
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G_CALLBACK (adblock_session_request_queued_cb),
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regex, (GClosureNotify)g_regex_unref, 0);
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}
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else if (error)
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{
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/* g_warning ("%s: %s", G_STRFUNC, error->message); */
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g_error_free (error);
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}
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g_string_free (pattern, TRUE);
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fclose (file);
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}
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/* FIXME: This should presumably be freed, but there's a possible crash
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g_free (path); */
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}
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#if WEBKIT_CHECK_VERSION (1, 1, 3)
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static void
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adblock_download_notify_status_cb (WebKitDownload* download,
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GParamSpec* pspec,
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gchar* path)
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{
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SoupSession* session = webkit_get_default_session ();
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adblock_session_add_filter (session, path);
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/* g_object_unref (download); */
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}
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#endif
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static void
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adblock_activate_cb (MidoriExtension* extension,
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MidoriApp* app)
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{
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KatzeArray* browsers;
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MidoriBrowser* browser;
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guint i;
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gchar* folder;
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gchar** filters;
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SoupSession* session;
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browsers = katze_object_get_object (app, "browsers");
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i = 0;
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while ((browser = katze_array_get_nth_item (browsers, i++)))
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adblock_app_add_browser_cb (app, browser, extension);
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g_signal_connect (app, "add-browser",
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G_CALLBACK (adblock_app_add_browser_cb), extension);
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g_object_unref (browsers);
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session = webkit_get_default_session ();
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folder = g_build_filename (g_get_user_cache_dir (), PACKAGE_NAME,
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"adblock", NULL);
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g_mkdir_with_parents (folder, 0700);
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filters = midori_extension_get_string_list (extension, "filters", NULL);
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if (filters != NULL)
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{
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i = 0;
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|
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while (filters[i++] != NULL)
|
||
|
|
{
|
||
|
|
gchar* filename = g_compute_checksum_for_string (G_CHECKSUM_MD5,
|
||
|
|
filters[i - 1], -1);
|
||
|
|
gchar* path = g_build_filename (folder, filename, NULL);
|
||
|
|
if (!g_file_test (path, G_FILE_TEST_EXISTS))
|
||
|
|
{
|
||
|
|
#if WEBKIT_CHECK_VERSION (1, 1, 3)
|
||
|
|
WebKitNetworkRequest* request;
|
||
|
|
WebKitDownload* download;
|
||
|
|
gchar* destination = g_filename_to_uri (path, NULL, NULL);
|
||
|
|
|
||
|
|
request = webkit_network_request_new (filters[i -1]);
|
||
|
|
download = webkit_download_new (request);
|
||
|
|
g_object_unref (request);
|
||
|
|
webkit_download_set_destination_uri (download, destination);
|
||
|
|
g_free (destination);
|
||
|
|
g_signal_connect (download, "notify::status",
|
||
|
|
G_CALLBACK (adblock_download_notify_status_cb), path);
|
||
|
|
webkit_download_start (download);
|
||
|
|
#else
|
||
|
|
/* FIXME: Is it worth to rewrite this without WebKitDownload? */
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
adblock_session_add_filter (session, path);
|
||
|
|
g_free (filename);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
g_strfreev (filters);
|
||
|
|
g_free (folder);
|
||
|
|
}
|
||
|
|
|
||
|
|
MidoriExtension*
|
||
|
|
extension_init (void)
|
||
|
|
{
|
||
|
|
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
|
||
|
|
"name", _("Advertisement blocker"),
|
||
|
|
"description", _("Block advertisements according to a filter list"),
|
||
|
|
"version", "0.1",
|
||
|
|
"authors", "Christian Dywan <christian@twotoasts.de>",
|
||
|
|
NULL);
|
||
|
|
midori_extension_install_string_list (extension, "filters", NULL, G_MAXSIZE);
|
||
|
|
|
||
|
|
g_signal_connect (extension, "activate",
|
||
|
|
G_CALLBACK (adblock_activate_cb), NULL);
|
||
|
|
|
||
|
|
return extension;
|
||
|
|
}
|