wyebadblock/ab.c
2020-04-21 23:31:19 +09:00

256 lines
5.7 KiB
C

/*
Copyright 2018 jun7@hush.mail
This file is part of wyebadblock.
wyebadblock is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
wyebadblock 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with wyebadblock. If not, see <http://www.gnu.org/licenses/>.
*/
#include "wyebrun.h"
#if DEBUG
# define D(f, ...) g_print("#"#f"\n", __VA_ARGS__);
# define DD(a) g_print("#"#a"\n");
#else
# define D(f, ...) ;
# define DD(a) ;
#endif
#if ISEXT
#include <webkit2/webkit-web-extension.h>
static bool check(const char *requri, const char *pageuri)
{
char *uris = g_strconcat(requri, " ", pageuri, NULL);
char *ruri = wyebget(EXENAME, uris);
g_free(uris);
if (ruri && !*ruri) return false;
return true;
}
static gboolean reqcb(WebKitWebPage *kp, WebKitURIRequest *req,
WebKitURIResponse *r, gpointer p)
{
if (g_object_get_data(G_OBJECT(kp), "adblock") == (gpointer)'n')
return false;
static bool first = true;
if (first)
{
if (webkit_uri_request_get_http_headers(req))
first = false;
else //no head is local data. so haven't to block
return false;
}
if (check(webkit_uri_request_get_uri(req),
webkit_web_page_get_uri(kp))) return false;
return true;
}
#if WEBKIT_MAJOR_VERSION > 2 || WEBKIT_MINOR_VERSION > 26
static gboolean msgcb(WebKitWebPage *kp, WebKitUserMessage *msg, gpointer p)
{
if (strcmp("wyebadblock", webkit_user_message_get_name(msg))) return false;
g_object_set_data(G_OBJECT(kp), "adblock",
g_variant_get_boolean(webkit_user_message_get_parameters(msg)) ? NULL :
GINT_TO_POINTER('n'));
return true;
}
#endif
static gboolean keepcb(WebKitWebPage *kp)
{
if (g_object_get_data(G_OBJECT(kp), "adblock") != (gpointer)'n')
wyebkeep(EXENAME, 30);
return true;
}
static bool apimode;
static void pageinit(WebKitWebExtension *ex, WebKitWebPage *kp)
{
DD(pageinit)
if (!apimode)
g_signal_connect(kp, "send-request", G_CALLBACK(reqcb), NULL);
#if WEBKIT_MAJOR_VERSION > 2 || WEBKIT_MINOR_VERSION > 26
g_signal_connect(kp, "user-message-received", G_CALLBACK(msgcb), NULL);
#endif
g_object_set_data(G_OBJECT(kp), "wyebcheck", check);
keepcb(kp);
g_object_weak_ref(G_OBJECT(kp), (GWeakNotify)g_source_remove,
GUINT_TO_POINTER(g_timeout_add(11 * 1000, (GSourceFunc)keepcb, kp)));
}
G_MODULE_EXPORT void webkit_web_extension_initialize_with_user_data(
WebKitWebExtension *ex, const GVariant *v)
{
bool hasarg = false;
const char *str;
if (v && g_variant_is_of_type((GVariant *)v, G_VARIANT_TYPE_STRING) &&
(str = g_variant_get_string((GVariant *)v, NULL)))
{
bool enable = true;
char **args = g_strsplit(str, ";", -1);
for (char **arg = args; *arg; arg++)
{
if (g_str_has_prefix(*arg, "adblock:"))
{
enable = !strcmp(*arg + 8, "true");
hasarg = true;
}
if (!strcmp(*arg, "wyebabapi"))
apimode = true;
}
g_strfreev(args);
if (!enable) return;
}
if (!hasarg && *(g_getenv("DISABLE_ADBLOCK") ?: "") != '\0')
return;
g_signal_connect(ex, "page-created", G_CALLBACK(pageinit), NULL);
}
#else
#include "ephy-uri-tester.c"
static EphyUriTester *tester;
static GThread *initt;
static gpointer inittcb(gpointer p)
{
ephy_uri_tester_load(tester);
return NULL;
}
static void monitorcb(
GFileMonitor *m, GFile *f, GFile *o, GFileMonitorEvent e, gpointer p)
{
if (e == G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT ||
e == G_FILE_MONITOR_EVENT_DELETED)
exit(0);
}
static bool tryload(const char *parent)
{
char *path = g_build_filename(parent, DIRNAME, LISTNAME, NULL);
GFile *gf = g_file_new_for_path(path);
GFileMonitor *gm = g_file_monitor_file(gf,
G_FILE_MONITOR_NONE, NULL, NULL);
g_signal_connect(gm, "changed", G_CALLBACK(monitorcb), NULL);
g_object_unref(gf);
if (g_file_test(path, G_FILE_TEST_EXISTS))
{
filter_file = g_file_new_for_path(path);
tester = ephy_uri_tester_new("/foo/bar");
initt = g_thread_new("init", inittcb, NULL);
}
g_free(path);
return tester;
}
static void init()
{
DD(wyebad init)
if (tryload(g_get_user_config_dir())) return;
for (const gchar * const *d = g_get_system_data_dirs(); *d; d++)
if (tryload(*d)) return;
char *dir = g_build_filename(g_get_user_config_dir(), DIRNAME, NULL);
if (!g_file_test(dir, G_FILE_TEST_EXISTS))
g_mkdir_with_parents(dir, 0700);
g_free(dir);
}
static char *datafunc(char *req)
{
static GMutex datam;
g_mutex_lock(&datam);
if (initt)
{
g_thread_join(initt);
initt = NULL;
}
//req uri + ' ' + page uri
char **args = g_strsplit(req, " ", 2);
char *ret = !tester ? g_strdup(args[0]) :
ephy_uri_tester_rewrite_uri(tester, args[0], args[1] ?: args[0]);
g_strfreev(args);
#if DEBUG
if (ret)
D(ret %s, ret)
else
D(BLOCKED %s, req)
#endif
g_mutex_unlock(&datam);
return ret;
}
int main(int argc, char **argv)
{
DD(This bin is compiled with DEBUG=1)
if (argc == 1)
{
wyebclient(argv[0]);
}
else if (!strcmp(argv[1], WYEBPREFIX))
{
init();
wyebsvr(argc, argv, datafunc);
}
else if (!strcmp(argv[1], "-css") || !strcmp(argv[1], "--css"))
{
init();
if (!initt)
{
g_print("#There is no "LISTNAME"\n");
exit(0);
}
g_thread_join(initt);
g_print("%s", tester->blockcss->str);
g_print("\n\n\n\n"
"{display:none !important} /*\n"
"{opacity:0 !important; position:absolute !important;}\n"
"/**/\n"
);
//g_print(tester->blockcssprivate->str);
}
else
{
wyebkeep(argv[0], 30);
g_print("%s", wyebget(argv[0], argv[1]));
}
exit(0);
}
#endif