midori/extensions/adblock.c

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/*
Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
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>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#define HAVE_WEBKIT_RESOURCE_REQUEST WEBKIT_CHECK_VERSION (1, 1, 14)
#define SIGNATURE_SIZE 8
#define USE_PATTERN_MATCHING 1
#define CUSTOM_LIST_NAME "custom.list"
#define ADBLOCK_FILTER_VALID(__filter) \
(__filter && (g_str_has_prefix (__filter, "http") \
|| g_str_has_prefix (__filter, "file")))
static GHashTable* pattern;
static GHashTable* keys;
static gchar* blockcss = NULL;
static gchar* blockcssprivate = NULL;
static gchar* blockscript = NULL;
static gboolean
adblock_parse_file (gchar* path);
static gchar*
adblock_build_js (const gchar* style,
const gchar* private)
{
return g_strdup_printf (
"window.addEventListener ('DOMContentLoaded',"
"function () {"
" if (document.getElementById('madblock'))"
" return;"
" var URL = location.href;"
" var sites = new Array(); %s;"
" var public = '%s';"
" for (var i in sites) {"
" if (URL.indexOf(i) != -1 && sites[i] ){"
" public += ', .'+sites[i];"
" break;"
" }}"
" public += ' {display: none !important}';"
" var mystyle = document.createElement('style');"
" mystyle.setAttribute('type', 'text/css');"
" mystyle.setAttribute('id', 'madblock');"
" mystyle.appendChild(document.createTextNode(public));"
" var head = document.getElementsByTagName('head')[0];"
" if (head) head.appendChild(mystyle);"
"}, true);",
private,
style);
}
static gchar *
adblock_fixup_regexp (gchar* src);
static void
adblock_init_db ()
{
pattern = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)g_regex_unref);
keys = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)g_regex_unref);
katze_assign (blockcss, g_strdup ("z-non-exist"));
katze_assign (blockcssprivate, g_strdup (""));
}
static void
adblock_download_notify_status_cb (WebKitDownload* download,
GParamSpec* pspec,
gchar* path)
{
if (webkit_download_get_status (download) != WEBKIT_DOWNLOAD_STATUS_FINISHED)
return;
adblock_parse_file (path);
g_free (path);
/* g_object_unref (download); */
}
static void
adblock_reload_rules (MidoriExtension* extension,
gboolean custom_only)
{
gchar* custom_list;
gchar* folder;
gchar** filters;
guint i = 0;
adblock_init_db ();
custom_list = g_build_filename (midori_extension_get_config_dir (extension),
CUSTOM_LIST_NAME, NULL);
adblock_parse_file (custom_list);
g_free (custom_list);
filters = midori_extension_get_string_list (extension, "filters", NULL);
if (!custom_only && filters && *filters)
{
folder = g_build_filename (g_get_user_cache_dir (), PACKAGE_NAME,
"adblock", NULL);
katze_mkdir_with_parents (folder, 0700);
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 (!adblock_parse_file (path))
{
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
g_free (path);
g_free (filename);
}
g_free (folder);
}
g_strfreev (filters);
katze_assign (blockscript, adblock_build_js (blockcss, blockcssprivate));
}
static void
adblock_browser_populate_tool_menu_cb (MidoriBrowser* browser,
GtkWidget* menu,
MidoriExtension* extension);
static void
adblock_preferences_render_tick_cb (GtkTreeViewColumn* column,
GtkCellRenderer* renderer,
GtkTreeModel* model,
GtkTreeIter* iter,
MidoriExtension* extension)
{
gchar* filter;
gtk_tree_model_get (model, iter, 0, &filter, -1);
g_object_set (renderer,
"activatable", ADBLOCK_FILTER_VALID (filter),
"active", ADBLOCK_FILTER_VALID (filter) && filter[4] != '-',
NULL);
g_free (filter);
}
static void
adblock_preferences_renderer_text_edited_cb (GtkCellRenderer* renderer,
const gchar* tree_path,
const gchar* new_text,
GtkTreeModel* model)
{
GtkTreeIter iter;
if (gtk_tree_model_get_iter_from_string (model, &iter, tree_path))
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 0, new_text, -1);
}
static void
adblock_preferences_renderer_toggle_toggled_cb (GtkTreeViewColumn* column,
const gchar* path,
GtkTreeModel* model)
{
GtkTreeIter iter;
if (gtk_tree_model_get_iter_from_string (model, &iter, path))
{
gchar* filter;
gtk_tree_model_get (model, &iter, 0, &filter, -1);
if (ADBLOCK_FILTER_VALID (filter))
{
filter[4] = filter[4] != '-' ? '-' : ':';
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 0, filter, -1);
g_free (filter);
}
}
}
static void
adblock_preferences_render_text_cb (GtkTreeViewColumn* column,
GtkCellRenderer* renderer,
GtkTreeModel* model,
GtkTreeIter* iter,
MidoriExtension* extension)
{
gchar* filter;
gtk_tree_model_get (model, iter, 0, &filter, -1);
if (ADBLOCK_FILTER_VALID (filter))
filter[4] = ':';
g_object_set (renderer,
"text", filter,
NULL);
g_free (filter);
}
static void
adblock_preferences_model_row_changed_cb (GtkTreeModel* model,
GtkTreePath* path,
GtkTreeIter* iter,
MidoriExtension* extension)
{
gsize length = gtk_tree_model_iter_n_children (model, NULL);
gchar** filters = g_new (gchar*, length + 1);
guint i = 0;
gboolean need_reload = FALSE;
if (gtk_tree_model_iter_children (model, iter, NULL))
do
{
gchar* filter;
gtk_tree_model_get (model, iter, 0, &filter, -1);
if (filter && *filter)
{
filters[i++] = filter;
need_reload = TRUE;
}
else
g_free (filter);
}
while (gtk_tree_model_iter_next (model, iter));
filters[i] = NULL;
midori_extension_set_string_list (extension, "filters", filters, i);
g_free (filters);
if (need_reload)
adblock_reload_rules (extension, FALSE);
}
static void
adblock_preferences_model_row_deleted_cb (GtkTreeModel* model,
GtkTreePath* path,
MidoriExtension* extension)
{
GtkTreeIter iter;
adblock_preferences_model_row_changed_cb (model, path, &iter, extension);
}
static void
adblock_preferences_add_clicked_cb (GtkWidget* button,
GtkTreeModel* model)
{
GtkEntry* entry = g_object_get_data (G_OBJECT (button), "entry");
gtk_list_store_insert_with_values (GTK_LIST_STORE (model),
NULL, 0, 0, gtk_entry_get_text (entry), -1);
gtk_entry_set_text (entry, "");
}
static void
adblock_preferences_edit_clicked_cb (GtkWidget* button,
GtkTreeViewColumn* column)
{
GdkEvent* event = gtk_get_current_event ();
GtkTreeView* treeview = g_object_get_data (G_OBJECT (button), "treeview");
GtkTreeModel* model;
GtkTreeIter iter;
if (katze_tree_view_get_selected_iter (treeview, &model, &iter))
{
gchar* path = gtk_tree_model_get_string_from_iter (model, &iter);
GtkTreePath* tree_path = gtk_tree_path_new_from_string (path);
/* gtk_cell_renderer_start_editing */
gtk_tree_view_set_cursor (treeview, tree_path, column, TRUE);
gtk_tree_path_free (tree_path);
g_free (path);
}
gdk_event_free (event);
}
static void
adblock_preferences_remove_clicked_cb (GtkWidget* button,
GtkTreeView* treeview)
{
GtkTreeModel* model;
GtkTreeIter iter;
if (katze_tree_view_get_selected_iter (treeview, &model, &iter))
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
}
#if GTK_CHECK_VERSION (2, 18, 0)
static gboolean
adblock_activate_link_cb (GtkWidget* label,
const gchar* uri)
{
MidoriBrowser* browser = midori_browser_get_for_widget (label);
gint n = midori_browser_add_uri (browser, uri);
if (n > -1)
midori_browser_set_current_page (browser, n);
return n > -1;
}
#endif
static void
adblock_preferences_response_cb (GtkWidget* dialog,
gint response,
gpointer data)
{
gtk_widget_destroy (dialog);
}
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_toggle;
GtkWidget* scrolled;
gchar** filters;
GtkWidget* vbox;
GtkWidget* button;
gchar* description;
GtkWidget* entry;
#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
#if !HAVE_HILDON
GTK_STOCK_HELP, GTK_RESPONSE_HELP,
#endif
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 (adblock_preferences_response_cb), NULL);
/* 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);
vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 4);
button = gtk_label_new (NULL);
description = g_strdup_printf (_(
"Type the address of a preconfigured filter list in the text entry "
"and click \"Add\" to add it to the list. "
"You can find more lists at %s."),
#if GTK_CHECK_VERSION (2, 18, 0)
"<a href=\"http://easylist.adblockplus.org/\">easylist.adblockplus.org</a>");
#else
"<u>http://easylist.adblockplus.org/</u>");
#endif
#if GTK_CHECK_VERSION (2, 18, 0)
g_signal_connect (button, "activate-link",
G_CALLBACK (adblock_activate_link_cb), NULL);
#endif
gtk_label_set_markup (GTK_LABEL (button), description);
g_free (description);
gtk_label_set_line_wrap (GTK_LABEL (button), TRUE);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 4);
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 4);
liststore = gtk_list_store_new (1, G_TYPE_STRING);
g_object_connect (liststore,
"signal::row-inserted",
adblock_preferences_model_row_changed_cb, extension,
"signal::row-changed",
adblock_preferences_model_row_changed_cb, extension,
"signal::row-deleted",
adblock_preferences_model_row_deleted_cb, extension,
NULL);
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_toggle = gtk_cell_renderer_toggle_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (column), renderer_toggle, FALSE);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (column), renderer_toggle,
(GtkCellLayoutDataFunc)adblock_preferences_render_tick_cb,
extension, NULL);
g_signal_connect (renderer_toggle, "toggled",
G_CALLBACK (adblock_preferences_renderer_toggle_toggled_cb), liststore);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
column = gtk_tree_view_column_new ();
renderer_text = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer_text, TRUE);
g_object_set (renderer_text, "editable", TRUE, NULL);
g_signal_connect (renderer_text, "edited",
G_CALLBACK (adblock_preferences_renderer_text_edited_cb), liststore);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (column), renderer_text,
(GtkCellLayoutDataFunc)adblock_preferences_render_text_cb,
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 (vbox), 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_object_set_data (G_OBJECT (button), "entry", entry);
g_signal_connect (button, "clicked",
G_CALLBACK (adblock_preferences_add_clicked_cb), liststore);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_from_stock (GTK_STOCK_EDIT);
g_object_set_data (G_OBJECT (button), "treeview", treeview);
g_signal_connect (button, "clicked",
G_CALLBACK (adblock_preferences_edit_clicked_cb), column);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
button = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
g_signal_connect (button, "clicked",
G_CALLBACK (adblock_preferences_remove_clicked_cb), treeview);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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_browser_populate_tool_menu_cb (MidoriBrowser* browser,
GtkWidget* menu,
MidoriExtension* extension)
{
GtkWidget* menuitem;
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_append (GTK_MENU_SHELL (menu), menuitem);
}
static gboolean
adblock_check_filter_options (GRegex* regex,
const gchar* opts,
const gchar* req_uri,
const gchar* page_uri)
{
if (g_regex_match_simple (",third-party", opts,
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
{
if (page_uri && g_regex_match_full (regex, page_uri, -1, 0, 0, NULL, NULL))
return TRUE;
}
/* TODO: Domain opt check */
return FALSE;
}
static gboolean
adblock_is_matched_by_pattern (const gchar* req_uri,
const gchar* page_uri)
{
GHashTableIter iter;
gpointer opts, regex;
if (USE_PATTERN_MATCHING == 0)
return FALSE;
g_hash_table_iter_init (&iter, pattern);
while (g_hash_table_iter_next (&iter, &opts, &regex))
{
if (g_regex_match_full (regex, req_uri, -1, 0, 0, NULL, NULL))
{
if (opts && adblock_check_filter_options (regex, opts, req_uri, page_uri) == TRUE)
return FALSE;
else
{
/* g_debug("blocked by pattern regexp=%s -- %s", g_regex_get_pattern (regex), req_uri); */
return TRUE;
}
}
}
return FALSE;
}
static gboolean
adblock_is_matched_by_key (const gchar* opts,
const gchar* req_uri,
const gchar* page_uri)
{
gchar* uri;
gint len;
int pos = 0;
GList* regex_bl = NULL;
uri = adblock_fixup_regexp ((gchar*)req_uri);
len = strlen (uri);
for (pos = len - SIGNATURE_SIZE; pos >= 0; pos--)
{
gchar* sig = g_strndup (uri + pos, SIGNATURE_SIZE);
GRegex* regex = g_hash_table_lookup (keys, sig);
if (regex && !g_list_find (regex_bl, regex))
{
if (g_regex_match_full (regex, req_uri, -1, 0, 0, NULL, NULL))
{
g_free (uri);
g_free (sig);
if (opts && adblock_check_filter_options (regex, opts, req_uri, page_uri))
{
g_list_free (regex_bl);
return FALSE;
}
else
{
/* g_debug("blocked by key sig=%s regexp=%s -- %s", sig, g_regex_get_pattern (regex), req_uri); */
g_list_free (regex_bl);
return TRUE;
}
}
regex_bl = g_list_prepend (regex_bl, regex);
}
g_free (sig);
}
g_free (uri);
g_list_free (regex_bl);
return FALSE;
}
static gboolean
adblock_is_matched (const gchar* opts,
const gchar* req_uri,
const gchar* page_uri)
{
if (adblock_is_matched_by_key (opts, req_uri, page_uri) == TRUE)
return TRUE;
else
return adblock_is_matched_by_pattern (req_uri, page_uri);
}
#if HAVE_WEBKIT_RESOURCE_REQUEST
static gchar*
adblock_prepare_urihider_js (GList* uris)
{
GList* li = NULL;
gchar* out;
gchar* cmd = g_strdup ("");
gchar* tmp;
const char *js =
"(function() {"
"function getElementsByAttribute (strTagName, strAttributeName, arrAttributeValue) {"
" var arrElements = document.getElementsByTagName (strTagName);"
" var arrReturnElements = new Array();"
" for (var j=0; j<arrAttributeValue.length; j++) {"
" var strAttributeValue = arrAttributeValue[j];"
" for (var i=0; i<arrElements.length; i++) {"
" var oCurrent = arrElements[i];"
" var oAttribute = oCurrent.getAttribute && oCurrent.getAttribute (strAttributeName);"
" if (oAttribute && oAttribute.length > 0 && strAttributeValue.indexOf (oAttribute) != -1)"
" arrReturnElements.push (oCurrent);"
" }"
" }"
" return arrReturnElements;"
"};"
"function hideElementBySrc (uris) {"
" var oElements = getElementsByAttribute('img', 'src', uris);"
" if (oElements.length == 0)"
" oElements = getElementsByAttribute ('iframe', 'src', uris);"
" for (var i=0; i<oElements.length; i++) {"
" oElements[i].style.visibility = 'hidden !important';"
" oElements[i].style.width = '0';"
" oElements[i].style.height = '0';"
" }"
"};"
"var uris=new Array ();"
"%s"
"hideElementBySrc (uris);"
"})();";
for (li = uris; li != NULL; li = g_list_next (li))
{
tmp = g_strdup_printf ("uris.push ('%s');%s", (gchar*)li->data, cmd);
katze_assign (cmd, tmp);
}
out = g_strdup_printf (js, cmd);
g_free (cmd);
return out;
}
static void
adblock_resource_request_starting_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
WebKitWebResource* web_resource,
WebKitNetworkRequest* request,
WebKitNetworkResponse* response,
GtkWidget* image)
{
SoupMessage* msg;
GList* blocked_uris;
const gchar* req_uri;
const char *page_uri;
req_uri = webkit_network_request_get_uri (request);
if (!req_uri)
return;
if (!strncmp (req_uri, "data", 4) || !strncmp (req_uri, "file", 4))
return;
msg = webkit_network_request_get_message (request);
if (!msg)
return;
if (msg->method && !strncmp (msg->method, "POST", 4))
return;
page_uri = webkit_web_view_get_uri (web_view);
if (!page_uri || !strcmp (page_uri, "about:blank"))
page_uri = req_uri;
/* g_test_timer_start (); */
/* TODO: opts should be defined */
if (adblock_is_matched (NULL, req_uri, page_uri))
{
blocked_uris = g_object_get_data (G_OBJECT (web_view), "blocked-uris");
blocked_uris = g_list_prepend (blocked_uris, g_strdup (req_uri));
webkit_network_request_set_uri (request, "about:blank");
g_object_set_data (G_OBJECT (web_view), "blocked-uris", blocked_uris);
}
/* g_debug ("%f", g_test_timer_elapsed ()); */
}
#else
static void
adblock_session_request_queued_cb (SoupSession* session,
SoupMessage* msg)
{
SoupURI* soup_uri;
gchar* req_uri;
gchar* page_uri;
if (msg->method && !strncmp (msg->method, "POST", 4))
return;
soup_uri = soup_message_get_uri (msg);
req_uri = soup_uri_to_string (soup_uri, FALSE);
page_uri = NULL; /* FIXME */
if (!page_uri || !strcmp (page_uri, "about:blank"))
page_uri = req_uri;
if (adblock_is_matched (NULL, req_uri, page_uri))
{
soup_uri = soup_uri_new ("http://.invalid");
soup_message_set_uri (msg, soup_uri);
soup_uri_free (soup_uri);
g_free (req_uri);
return;
}
g_free (req_uri);
}
#endif
#if WEBKIT_CHECK_VERSION (1, 1, 15)
static void
adblock_custom_block_image_cb (GtkWidget* widget,
MidoriExtension* extension)
{
gchar* custom_list;
FILE* list;
gchar* uri;
custom_list = g_build_filename (midori_extension_get_config_dir (extension),
CUSTOM_LIST_NAME, NULL);
if (!(list = g_fopen (custom_list, "a+")))
{
g_free (custom_list);
return;
}
uri = g_object_get_data (G_OBJECT (widget), "uri");
g_fprintf (list, "%s\n", uri);
fclose (list);
adblock_reload_rules (extension, TRUE);
g_free (custom_list);
}
static void
adblock_populate_popup_cb (WebKitWebView* web_view,
GtkWidget* menu,
MidoriExtension* extension)
{
GtkWidget* menuitem;
gchar *uri;
gint x, y;
GdkEventButton event;
WebKitHitTestResultContext context;
WebKitHitTestResult* hit_test;
gdk_window_get_pointer (GTK_WIDGET (web_view)->window, &x, &y, NULL);
event.x = x;
event.y = y;
hit_test = webkit_web_view_get_hit_test_result (web_view, &event);
context = katze_object_get_int (hit_test, "context");
if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE)
{
uri = katze_object_get_string (hit_test, "image-uri");
menuitem = gtk_menu_item_new_with_mnemonic ("Bl_ock image");
}
else if (context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
{
uri = katze_object_get_string (hit_test, "link-uri");
menuitem = gtk_menu_item_new_with_mnemonic ("Bl_ock link");
}
else
return;
gtk_widget_show (menuitem);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
g_object_set_data_full (G_OBJECT (menuitem), "uri", uri, (GDestroyNotify)g_free);
g_signal_connect (menuitem, "activate",
G_CALLBACK (adblock_custom_block_image_cb), extension);
}
#endif
#if HAVE_WEBKIT_RESOURCE_REQUEST
static void
adblock_load_finished_cb (WebKitWebView *web_view,
WebKitWebFrame *web_frame,
gpointer user_data)
{
JSContextRef js_context = webkit_web_frame_get_global_context (web_frame);
GList* uris = g_object_get_data (G_OBJECT (web_view), "blocked-uris");
if (g_list_nth_data (uris, 0) == NULL)
return;
gchar* script = adblock_prepare_urihider_js (uris);
webkit_web_view_execute_script (web_view, script);
sokoke_js_script_eval (js_context, script, NULL);
GList* li = NULL;
for (li = uris; li != NULL; li = g_list_next (li))
uris = g_list_remove (uris, li->data);
g_free (script);
g_object_set_data (G_OBJECT (web_view), "blocked-uris", uris);
}
#endif
static void
adblock_window_object_cleared_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
JSContextRef js_context,
JSObjectRef js_window)
{
webkit_web_view_execute_script (web_view, blockscript);
}
static void
adblock_add_tab_cb (MidoriBrowser* browser,
MidoriView* view,
MidoriExtension* extension)
{
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
#if HAVE_WEBKIT_RESOURCE_REQUEST
GtkWidget* image = g_object_get_data (G_OBJECT (browser), "status-image");
#endif
g_signal_connect (web_view, "window-object-cleared",
G_CALLBACK (adblock_window_object_cleared_cb), 0);
#if WEBKIT_CHECK_VERSION (1, 1, 15)
g_signal_connect_after (web_view, "populate-popup",
G_CALLBACK (adblock_populate_popup_cb), extension);
#endif
#if HAVE_WEBKIT_RESOURCE_REQUEST
g_signal_connect (web_view, "resource-request-starting",
G_CALLBACK (adblock_resource_request_starting_cb), image);
g_signal_connect (web_view, "load-finished",
G_CALLBACK (adblock_load_finished_cb), image);
#endif
}
static void
adblock_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser);
static void
adblock_add_tab_foreach_cb (MidoriView* view,
MidoriBrowser* browser,
MidoriExtension* extension)
{
adblock_add_tab_cb (browser, view, extension);
}
static void
adblock_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension)
{
GtkWidget* statusbar;
GtkWidget* image;
statusbar = katze_object_get_object (browser, "statusbar");
image = NULL;
/* image = gtk_image_new_from_stock (STOCK_IMAGE, GTK_ICON_SIZE_MENU);
gtk_widget_show (image);
gtk_box_pack_start (GTK_BOX (statusbar), image, FALSE, FALSE, 3); */
g_object_set_data_full (G_OBJECT (browser), "status-image", image,
(GDestroyNotify)gtk_widget_destroy);
midori_browser_foreach (browser,
(GtkCallback)adblock_add_tab_foreach_cb, extension);
g_signal_connect (browser, "add-tab",
G_CALLBACK (adblock_add_tab_cb), extension);
g_signal_connect (browser, "populate-tool-menu",
G_CALLBACK (adblock_browser_populate_tool_menu_cb), extension);
g_signal_connect (extension, "deactivate",
G_CALLBACK (adblock_deactivate_cb), browser);
g_object_unref (statusbar);
}
static gchar *
adblock_fixup_regexp (gchar* src)
{
gchar* dst;
GString* str;
int len;
if (!src)
return NULL;
str = g_string_new ("");
/* lets strip first .* */
if (src[0] == '*')
{
(void)*src++;
}
do
{
switch (*src)
{
case '*':
g_string_append (str, ".*");
break;
/*case '.':
g_string_append (str, "\\.");
break;*/
case '?':
g_string_append (str, "\\?");
break;
case '|':
g_string_append (str, "");
break;
/* FIXME: We actually need to match :[0-9]+ or '/'. Sign means
"here could be port number or nothing". So bla.com^ will match
bla.com/ or bla.com:8080/ but not bla.com.au/ */
case '^':
g_string_append (str, "");
break;
default:
g_string_append_printf (str,"%c", *src);
break;
}
src++;
}
while (*src);
dst = g_strdup (str->str);
g_string_free (str, TRUE);
/* We dont need .* in the end of url. Thats stupid */
len = strlen (dst);
if (dst && dst[len-1] == '*' && dst[len-2] == '.')
{
dst[len-2] = '\0';
}
return dst;
}
static void
adblock_compile_regexp (GHashTable* tbl,
GHashTable* keystbl,
gchar* patt,
gchar* opts)
{
GRegex* regex;
GError* error = NULL;
int pos = 0;
gchar *sig;
/* TODO: Play with optimization flags */
regex = g_regex_new (patt, G_REGEX_OPTIMIZE,
G_REGEX_MATCH_NOTEMPTY, &error);
if (error)
{
g_warning ("%s: %s", G_STRFUNC, error->message);
g_error_free (error);
return;
}
if (!g_regex_match_simple ("^/.*[\\^\\$\\*].*/$", patt, G_REGEX_UNGREEDY, G_REGEX_MATCH_NOTEMPTY))
{
int len = strlen (patt);
int signature_count = 0;
for (pos = len - SIGNATURE_SIZE; pos >= 0; pos--) {
sig = g_strndup (patt + pos, SIGNATURE_SIZE);
if (!g_regex_match_simple ("[\\*]", sig, G_REGEX_UNGREEDY, G_REGEX_MATCH_NOTEMPTY) &&
!g_hash_table_lookup (keystbl, sig))
{
/* g_debug ("sig: %s %s", sig, patt); */
g_hash_table_insert (keystbl, sig, regex);
signature_count++;
}
else
{
if (g_regex_match_simple ("^\\*", sig, G_REGEX_UNGREEDY, G_REGEX_MATCH_NOTEMPTY) &&
!g_hash_table_lookup (tbl, opts))
{
/* g_debug ("patt2: %s %s", sig, patt); */
g_hash_table_insert (tbl, opts, regex);
}
g_free (sig);
}
}
if (signature_count > 1 && g_hash_table_lookup (tbl, opts))
g_hash_table_steal (tbl, opts);
}
else
{
/*g_debug ("patt: %s", patt); */
/* Pattern is a regexp chars */
g_hash_table_insert (tbl, opts, regex);
}
}
static gchar*
adblock_add_url_pattern (gchar* format,
gchar* type,
gchar* line)
{
gchar** data;
gchar* patt;
gchar* fixed_patt;
gchar* format_patt;
gchar* opts;
data = g_strsplit (line, "$", -1);
if (data && data[0] && data[1] && data[2])
{
patt = g_strdup_printf ("%s%s", data[0], data[1]);
opts = g_strdup_printf ("type=%s,regexp=%s,%s", type, patt, data[2]);
}
else if (data && data[0] && data[1])
{
patt = g_strdup (data[0]);
opts = g_strdup_printf ("type=%s,regexp=%s,%s", type, patt, data[1]);
}
else
{
patt = g_strdup (data[0]);
opts = g_strdup_printf ("type=%s,regexp=%s", type, patt);
}
fixed_patt = adblock_fixup_regexp (patt);
format_patt = g_strdup_printf (format, fixed_patt);
/* g_debug ("got: %s opts %s", format_patt, opts); */
adblock_compile_regexp (pattern, keys, format_patt, opts);
g_strfreev (data);
g_free (patt);
g_free (fixed_patt);
return format_patt;
}
static void
adblock_frame_add (gchar* line)
{
gchar* new_blockcss;
(void)*line++;
(void)*line++;
if (strchr (line, ':')
&& !g_regex_match_simple (".*\\[.*:.*\\].*", line,
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
{
return;
}
new_blockcss = g_strdup_printf ("%s, %s", blockcss, line);
katze_assign (blockcss, new_blockcss);
}
static void
adblock_frame_add_private (const gchar* line,
const gchar* sep)
{
gchar* new_blockcss;
gchar** data;
data = g_strsplit (line, sep, 2);
if (!(data[1] && *data[1])
|| (strchr (data[1], ':')
&& !g_regex_match_simple (".*\\[.*:.*\\].*", data[1],
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY)))
{
g_strfreev (data);
return;
}
if (strchr (data[0], ','))
{
gchar** domains;
gint max, i;
domains = g_strsplit (data[0], ",", -1);
for (max = i = 0; domains[i]; i++)
{
new_blockcss = g_strdup_printf ("%s;\nsites['%s']+=',%s'",
blockcssprivate, g_strstrip (domains[i]), data[1]);
katze_assign (blockcssprivate, new_blockcss);
}
g_strfreev (domains);
}
else
{
new_blockcss = g_strdup_printf ("%s;\nsites['%s']+=',%s'",
blockcssprivate, data[0], data[1]);
katze_assign (blockcssprivate, new_blockcss);
}
g_strfreev (data);
}
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static gchar*
adblock_parse_line (gchar* line)
{
if (!line)
return NULL;
g_strchomp (line);
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/* Ignore comments and new lines */
if (line[0] == '!')
return NULL;
/* FIXME: No support for whitelisting */
if (line[0] == '@' && line[1] == '@')
return NULL;
/* FIXME: No support for [include] and [exclude] tags */
if (line[0] == '[')
return NULL;
/* Got CSS block hider */
if (line[0] == '#' && line[1] == '#' )
{
adblock_frame_add (line);
return NULL;
}
/* Got CSS block hider. Workaround */
if (line[0] == '#')
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return NULL;
/* Got per domain CSS hider rule */
if (strstr (line, "##"))
{
adblock_frame_add_private (line, "##");
return NULL;
}
/* Got per domain CSS hider rule. Workaround */
if (strchr (line, '#'))
{
adblock_frame_add_private (line, "#");
return NULL;
}
/* Got URL blocker rule */
if (line[0] == '|' && line[1] == '|' )
{
(void)*line++;
(void)*line++;
return adblock_add_url_pattern ("%s", "fulluri", line);
}
if (line[0] == '|')
{
(void)*line++;
return adblock_add_url_pattern ("^%s", "fulluri", line);
}
return adblock_add_url_pattern ("%s", "uri", line);
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}
static gboolean
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adblock_parse_file (gchar* path)
{
FILE* file;
gchar line[2000];
if ((file = g_fopen (path, "r")))
{
while (fgets (line, 2000, file))
g_free (adblock_parse_line (line));
fclose (file);
return TRUE;
}
return FALSE;
}
static void
adblock_deactivate_tabs (MidoriView* view,
MidoriBrowser* browser,
MidoriExtension* extension)
{
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
#if HAVE_WEBKIT_RESOURCE_REQUEST
GtkWidget* image = g_object_get_data (G_OBJECT (browser), "status-image");
#endif
g_signal_handlers_disconnect_by_func (
browser, adblock_add_tab_cb, extension);
g_signal_handlers_disconnect_by_func (
web_view, adblock_window_object_cleared_cb, 0);
#if WEBKIT_CHECK_VERSION (1, 1, 15)
g_signal_handlers_disconnect_by_func (
web_view, adblock_populate_popup_cb, extension);
#endif
#if HAVE_WEBKIT_RESOURCE_REQUEST
g_signal_handlers_disconnect_by_func (
web_view, adblock_resource_request_starting_cb, image);
g_signal_handlers_disconnect_by_func (
web_view, adblock_load_finished_cb, image);
#endif
}
static void
adblock_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser)
{
MidoriApp* app = midori_extension_get_app (extension);
#if !HAVE_WEBKIT_RESOURCE_REQUEST
g_signal_handlers_disconnect_matched (webkit_get_default_session (),
G_SIGNAL_MATCH_FUNC,
g_signal_lookup ("request-queued", SOUP_TYPE_SESSION), 0,
NULL, adblock_session_request_queued_cb, NULL);
#endif
g_signal_handlers_disconnect_by_func (
browser, adblock_browser_populate_tool_menu_cb, extension);
g_signal_handlers_disconnect_by_func (
extension, adblock_deactivate_cb, browser);
g_signal_handlers_disconnect_by_func (
app, adblock_app_add_browser_cb, extension);
midori_browser_foreach (browser, (GtkCallback)adblock_deactivate_tabs, browser);
katze_assign (blockcss, NULL);
katze_assign (blockcssprivate, NULL);
g_hash_table_destroy (pattern);
}
static void
adblock_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
KatzeArray* browsers;
MidoriBrowser* browser;
guint i;
#if !HAVE_WEBKIT_RESOURCE_REQUEST
SoupSession* session = webkit_get_default_session ();
g_signal_connect (session, "request-queued",
G_CALLBACK (adblock_session_request_queued_cb), NULL);
#endif
adblock_reload_rules (extension, FALSE);
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);
}
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#if G_ENABLE_DEBUG
static void
test_adblock_parse (void)
{
adblock_init_db ();
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g_assert (!adblock_parse_line (NULL));
g_assert (!adblock_parse_line ("!"));
g_assert (!adblock_parse_line ("@@"));
g_assert (!adblock_parse_line ("##"));
g_assert (!adblock_parse_line ("["));
g_assert_cmpstr (adblock_parse_line ("*foo"), ==, "foo");
g_assert_cmpstr (adblock_parse_line ("f*oo"), ==, "f.*oo");
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g_assert_cmpstr (adblock_parse_line ("?foo"), ==, "\\?foo");
g_assert_cmpstr (adblock_parse_line ("foo?"), ==, "foo\\?");
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g_assert_cmpstr (adblock_parse_line (".*foo/bar"), ==, "..*foo/bar");
g_assert_cmpstr (adblock_parse_line ("http://bla.blub/*"), ==, "http://bla.blub/");
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}
static void
test_adblock_pattern (void)
{
gint temp;
gchar* filename;
temp = g_file_open_tmp ("midori_adblock_match_test_XXXXXX", &filename, NULL);
/* TODO: Update some tests and add new ones. */
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g_file_set_contents (filename,
"*ads.foo.bar*\n"
"*ads.bogus.name*\n"
"||^http://ads.bla.blub/*\n"
"|http://ads.blub.boing/*$domain=xxx.com\n"
"engine.adct.ru/*?\n"
"/addyn|*|adtech;\n"
"doubleclick.net/pfadx/*.mtvi\n"
"objects.tremormedia.com/embed/xml/*.xml?r=\n"
"videostrip.com^*/admatcherclient.\n"
"test.dom/test?var\n"
"/adpage.\n"
"br.gcl.ru/cgi-bin/br/",
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-1, NULL);
adblock_parse_file (filename);
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g_test_timer_start ();
g_assert (adblock_is_matched (NULL, "http://www.engadget.com/_uac/adpage.html", ""));
g_assert (adblock_is_matched (NULL, "http://test.dom/test?var=1", ""));
g_assert (adblock_is_matched (NULL, "http://ads.foo.bar/teddy", ""));
g_assert (!adblock_is_matched (NULL, "http://ads.fuu.bar/teddy", ""));
g_assert (adblock_is_matched (NULL, "https://ads.bogus.name/blub", ""));
g_assert (adblock_is_matched (NULL, "http://ads.bla.blub/kitty", ""));
g_assert (adblock_is_matched (NULL, "http://ads.blub.boing/soda", ""));
g_assert (!adblock_is_matched (NULL, "http://ads.foo.boing/beer", ""));
g_assert (adblock_is_matched (NULL, "https://testsub.engine.adct.ru/test?id=1", ""));
if (USE_PATTERN_MATCHING)
g_assert (adblock_is_matched (NULL, "http://test.ltd/addyn/test/test?var=adtech;&var2=1", ""));
g_assert (adblock_is_matched (NULL, "http://add.doubleclick.net/pfadx/aaaa.mtvi", ""));
g_assert (!adblock_is_matched (NULL, "http://add.doubleclick.net/pfadx/aaaa.mtv", ""));
g_assert (adblock_is_matched (NULL, "http://objects.tremormedia.com/embed/xml/list.xml?r=", ""));
g_assert (!adblock_is_matched (NULL, "http://qq.videostrip.c/sub/admatcherclient.php", ""));
g_assert (adblock_is_matched (NULL, "http://qq.videostrip.com/sub/admatcherclient.php", ""));
g_assert (adblock_is_matched (NULL, "http://qq.videostrip.com/sub/admatcherclient.php", ""));
g_assert (adblock_is_matched (NULL, "http://br.gcl.ru/cgi-bin/br/test", ""));
g_assert (!adblock_is_matched (NULL, "https://bugs.webkit.org/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&long_desc_type=substring&long_desc=&bug_file_loc_type=allwordssubstr&bug_file_loc=&keywords_type=allwords&keywords=&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&emailassigned_to1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&votes=&chfieldfrom=&chfieldto=Now&chfieldvalue=&query_based_on=gtkport&field0-0-0=keywords&type0-0-0=anywordssubstr&value0-0-0=Gtk%20Cairo%20soup&field0-0-1=short_desc&type0-0-1=anywordssubstr&value0-0-1=Gtk%20Cairo%20soup%20autoconf%20automake%20autotool&field0-0-2=component&type0-0-2=equals&value0-0-2=WebKit%20Gtk", ""));
g_assert (!adblock_is_matched (NULL, "http://www.engadget.com/2009/09/24/google-hits-android-rom-modder-with-a-cease-and-desist-letter/", ""));
g_assert (!adblock_is_matched (NULL, "http://karibik-invest.com/es/bienes_raices/search.php?sqT=19&sqN=&sqMp=&sqL=0&qR=1&sqMb=&searchMode=1&action=B%FAsqueda", ""));
g_assert (!adblock_is_matched (NULL, "http://google.com", ""));
g_print ("Search took %f seconds\n", g_test_timer_elapsed ());
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close (temp);
g_unlink (filename);
g_hash_table_destroy (pattern);
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}
void
extension_test (void)
{
g_test_add_func ("/extensions/adblock/parse", test_adblock_parse);
g_test_add_func ("/extensions/adblock/pattern", test_adblock_pattern);
}
#endif
MidoriExtension*
extension_init (void)
{
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("Advertisement blocker"),
"description", _("Block advertisements according to a filter list"),
"version", "0.5",
"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;
}