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