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Implement Adblock with WebKit resource API

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This commit is contained in:
Alexander Butenko 2009-09-09 23:53:30 +02:00 committed by Christian Dywan
parent 39f095a0cf
commit e59b291709
1 changed files with 52 additions and 47 deletions
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99
extensions/adblock.c
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@ -20,11 +20,19 @@
#include <unistd.h>
#endif
#if WEBKIT_CHECK_VERSION (1, 1, 14)
static GHashTable* pattern = NULL;
static gchar *
adblock_fixup_regexp (gchar* src)
{
gchar* dst;
gchar* s;
if (!(src && *src))
return g_strdup ("");
/* FIXME: Avoid always allocating twice the string */
s = dst = g_malloc (strlen (src) * 2);
@ -308,19 +316,8 @@ adblock_browser_populate_tool_menu_cb (MidoriBrowser* browser,
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
}
static void
adblock_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* 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);
}
static gboolean
adblock_is_matched (const gchar* pattern,
adblock_is_matched (const gchar* patt,
const GRegex* regex,
const gchar* uri)
{
@ -328,19 +325,43 @@ adblock_is_matched (const gchar* pattern,
}
static void
adblock_session_request_queued_cb (SoupSession* session,
SoupMessage* msg,
GHashTable* pattern)
adblock_resource_request_starting_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
WebKitWebResource* web_resource,
WebKitNetworkRequest* request,
WebKitNetworkResponse* response,
MidoriView* view)
{
SoupURI* soup_uri = soup_message_get_uri (msg);
gchar* uri = soup_uri ? soup_uri_to_string (soup_uri, FALSE) : g_strdup ("");
if (g_hash_table_find (pattern, (GHRFunc) adblock_is_matched, uri))
const gchar* uri = webkit_network_request_get_uri (request);
if (g_hash_table_find (pattern, (GHRFunc) adblock_is_matched, (char*)uri))
{
/* 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);
webkit_network_request_set_uri (request, "about:blank");
/* TODO: Need to figure out how to indicate what was blocked */
}
g_free (uri);
}
static void
adblock_add_tab_cb (MidoriBrowser* browser,
MidoriView* view)
{
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
g_signal_connect (web_view, "resource-request-starting",
G_CALLBACK (adblock_resource_request_starting_cb), view);
}
static void
adblock_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension)
{
if (pattern)
g_signal_connect (browser, "add-tab",
G_CALLBACK (adblock_add_tab_cb), 0);
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);
}
static gchar*
@ -373,9 +394,9 @@ adblock_parse_file (gchar* path)
if ((file = g_fopen (path, "r")))
{
GHashTable* pattern = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)g_regex_unref);
GHashTable* patt = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)g_regex_unref);
gboolean have_pattern = FALSE;
gchar line[255];
@ -401,34 +422,27 @@ adblock_parse_file (gchar* path)
else
{
have_pattern = TRUE;
g_hash_table_insert (pattern, parsed, regex);
g_hash_table_insert (patt, parsed, regex);
}
}
fclose (file);
if (have_pattern)
return pattern;
return patt;
}
/* FIXME: This should presumably be freed, but there's a possible crash
g_free (path); */
return NULL;
}
#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 ();
GHashTable* pattern = adblock_parse_file (path);
if (pattern)
g_signal_connect_data (session, "request-queued",
G_CALLBACK (adblock_session_request_queued_cb),
pattern, (GClosureNotify)g_hash_table_destroy, 0);
pattern = adblock_parse_file (path);
/* g_object_unref (download); */
}
#endif
static void
adblock_activate_cb (MidoriExtension* extension,
@ -464,7 +478,6 @@ adblock_activate_cb (MidoriExtension* extension,
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);
@ -477,18 +490,9 @@ adblock_activate_cb (MidoriExtension* extension,
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
{
GHashTable* pattern = adblock_parse_file (path);
if (pattern)
g_signal_connect_data (session, "request-queued",
G_CALLBACK (adblock_session_request_queued_cb),
pattern, (GClosureNotify)g_hash_table_destroy, 0);
}
pattern = adblock_parse_file (path);
g_free (filename);
}
}
@ -520,7 +524,6 @@ test_adblock_pattern (void)
{
gint temp;
gchar* filename;
GHashTable* pattern;
temp = g_file_open_tmp ("midori_adblock_match_test_XXXXXX", &filename, NULL);
@ -574,3 +577,5 @@ extension_init (void)
return extension;
}
#endif