small-packages/luci-app-mosdns/root/usr/share/mosdns/mosdns.uc
2026-05-10 09:48:30 +08:00

350 lines
10 KiB
Ucode
Executable File

#!/usr/bin/env ucode
'use strict';
import { popen, mkdir, unlink, writefile, open, stat, stdout } from 'fs';
import { cursor } from 'uci';
import { connect } from 'ubus';
function to_array(val) {
let res =[];
if (type(val) == 'array') {
for (let i = 0; i < length(val); i++) {
if (type(val[i]) == 'string') {
let s = replace(val[i], /^\s+|\s+$/g, '');
if (s != "") push(res, s);
}
}
} else if (type(val) == 'string') {
let parts = split(val, /[ \t\n]+/);
for (let i = 0; i < length(parts); i++) {
if (parts[i] != "") push(res, parts[i]);
}
}
return res;
}
function exec_sys(cmd) {
let p = popen(cmd + " 2>&1", "r");
if (!p) return { code: -1, stdout: "" };
let stdout = p.read("all");
let code = p.close();
if (type(stdout) == 'string') {
stdout = replace(stdout, /^\s+|\s+$/g, '');
}
return { code: code, stdout: stdout || "" };
}
function interface_dns() {
let uci_cursor = cursor();
uci_cursor.load('mosdns');
let dns_list =[];
if (uci_cursor.get('mosdns', 'config', 'custom_local_dns') === '1') {
dns_list = to_array(uci_cursor.get('mosdns', 'config', 'local_dns'));
} else {
uci_cursor.load('network');
let peerdns = uci_cursor.get('network', 'wan', 'peerdns');
let proto = uci_cursor.get('network', 'wan', 'proto');
if (peerdns === '0' || proto === 'static') {
dns_list = to_array(uci_cursor.get('network', 'wan', 'dns'));
} else {
let ubus_conn = connect();
if (ubus_conn) {
let status = ubus_conn.call('network.interface.wan', 'status');
if (status && type(status['dns-server']) == 'array' && length(status['dns-server']) > 0) {
dns_list = status['dns-server'];
}
}
}
}
if (length(dns_list) === 0) {
dns_list =['119.29.29.29', '223.5.5.5'];
}
print(join(" ", dns_list) + "\n");
}
function get_adlist() {
let uci_cursor = cursor();
uci_cursor.load('mosdns');
let adblock = uci_cursor.get('mosdns', 'config', 'adblock');
if (adblock !== '1') {
mkdir('/etc/mosdns/rule', 0755);
exec_sys('rm -rf /etc/mosdns/rule/adlist /etc/mosdns/rule/.ad_source');
writefile('/var/mosdns/disable-ads.txt', '');
print("/var/mosdns/disable-ads.txt\n");
return;
}
mkdir('/etc/mosdns/rule/adlist', 0755);
let ad_source = to_array(uci_cursor.get('mosdns', 'config', 'ad_source'));
let adlist =[];
for (let i = 0; i < length(ad_source); i++) {
let url = ad_source[i];
if (!url) continue;
if (url === 'geosite.dat') {
push(adlist, '/var/mosdns/geosite_category-ads-all.txt');
} else if (index(url, 'file://') === 0) {
push(adlist, substr(url, 7));
} else {
let parts = split(url, '/');
let filename = parts[length(parts) - 1];
let local_path = `/etc/mosdns/rule/adlist/${filename}`;
if (!stat(local_path)) {
writefile(local_path, '');
}
push(adlist, local_path);
}
}
print(join("\n", adlist) + "\n");
}
function update_adlist() {
let uci_cursor = cursor();
uci_cursor.load('mosdns');
if (uci_cursor.get('mosdns', 'config', 'adblock') !== '1') {
return false;
}
let lock_file = '/var/lock/mosdns_ad_update.lock';
let ad_source = to_array(uci_cursor.get('mosdns', 'config', 'ad_source'));
let github_proxy = uci_cursor.get('mosdns', 'config', 'github_proxy') || '';
mkdir('/etc/mosdns/rule', 0755);
writefile('/etc/mosdns/rule/.ad_source', '');
if (stat(lock_file)) return false;
writefile(lock_file, '');
let tmp_res = exec_sys('mktemp -d');
if (tmp_res.code !== 0) {
unlink(lock_file);
die("Failed to create temp directory for adlist.");
}
let ad_tmpdir = tmp_res.stdout;
let has_update = false;
let download_failed = false;
for (let i = 0; i < length(ad_source); i++) {
let url = ad_source[i];
if (!url) continue;
if (url !== 'geosite.dat' && index(url, 'file://') !== 0) {
has_update = true;
exec_sys(`echo "${url}" >> /etc/mosdns/rule/.ad_source`);
let parts = split(url, '/');
let filename = parts[length(parts) - 1];
let mirror = "";
if (match(url, /^https:\/\/raw\.githubusercontent\.com/)) {
mirror = github_proxy ? github_proxy + '/' : '';
}
print(`Downloading ${mirror}${url}\n`);
stdout.flush();
let curl_res = exec_sys(`curl --connect-timeout 5 -m 90 --ipv4 -kfSLo "${ad_tmpdir}/${filename}" "${mirror}${url}"`);
if (curl_res.code !== 0) download_failed = true;
}
}
if (download_failed) {
print("\x1b[1;31mRules download failed.\n");
exec_sys(`rm -rf "${ad_tmpdir}"`);
unlink(lock_file);
exit(1);
} else {
if (has_update) {
mkdir('/etc/mosdns/rule/adlist', 0755);
exec_sys('rm -rf /etc/mosdns/rule/adlist/*');
exec_sys(`cp "${ad_tmpdir}"/* /etc/mosdns/rule/adlist/`);
}
}
exec_sys(`rm -rf "${ad_tmpdir}"`);
unlink(lock_file);
return has_update;
}
function update_geodat() {
let uci_cursor = cursor();
uci_cursor.load('mosdns');
let github_proxy = uci_cursor.get('mosdns', 'config', 'github_proxy') || '';
let mirror = github_proxy ? github_proxy + '/' : '';
let geoip_type = uci_cursor.get('mosdns', 'config', 'geoip_type') || 'geoip-only-cn-private';
let v2dat_dir = '/usr/share/v2ray';
let tmp_res = exec_sys('mktemp -d');
if (tmp_res.code !== 0) exit(1);
let tmpdir = tmp_res.stdout;
exec_sys(`mkdir -p "${v2dat_dir}"`);
let geoip_updated = false;
let geoip_url = mirror + "https://github.com/Loyalsoldier/geoip/releases/latest/download/" + geoip_type + ".dat";
print(`Downloading ${geoip_url}.sha256sum\n`);
stdout.flush();
if (exec_sys(`curl --connect-timeout 5 -m 20 --ipv4 -kfSLo "${tmpdir}/geoip.dat.sha256sum" "${geoip_url}.sha256sum"`).code !== 0) {
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
let geoip_sum_remote = split(exec_sys(`cat "${tmpdir}/geoip.dat.sha256sum"`).stdout, /[ \t\n]+/)[0];
let geoip_sum_local = "";
if (stat(`${v2dat_dir}/geoip.dat`)) {
geoip_sum_local = split(exec_sys(`sha256sum "${v2dat_dir}/geoip.dat"`).stdout, /[ \t\n]+/)[0];
}
if (geoip_sum_local === geoip_sum_remote) {
print("geoip.dat is up to date.\n");
stdout.flush();
} else {
print(`Downloading ${geoip_url}\n`);
stdout.flush();
if (exec_sys(`curl --connect-timeout 5 -m 120 --ipv4 -kfSLo "${tmpdir}/geoip.dat" "${geoip_url}"`).code !== 0) {
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
let sum_downloaded = split(exec_sys(`sha256sum "${tmpdir}/geoip.dat"`).stdout, /[ \t\n]+/)[0];
if (sum_downloaded !== geoip_sum_remote) {
print("\x1b[1;31mgeoip.dat checksum error\n");
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
geoip_updated = true;
}
let geosite_updated = false;
let geosite_url = mirror + "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat";
print(`Downloading ${geosite_url}.sha256sum\n`);
stdout.flush();
if (exec_sys(`curl --connect-timeout 5 -m 20 --ipv4 -kfSLo "${tmpdir}/geosite.dat.sha256sum" "${geosite_url}.sha256sum"`).code !== 0) {
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
let geosite_sum_remote = split(exec_sys(`cat "${tmpdir}/geosite.dat.sha256sum"`).stdout, /[ \t\n]+/)[0];
let geosite_sum_local = "";
if (stat(`${v2dat_dir}/geosite.dat`)) {
geosite_sum_local = split(exec_sys(`sha256sum "${v2dat_dir}/geosite.dat"`).stdout, /[ \t\n]+/)[0];
}
if (geosite_sum_local === geosite_sum_remote) {
print("geosite.dat is up to date.\n");
stdout.flush();
} else {
print(`Downloading ${geosite_url}\n`);
stdout.flush();
if (exec_sys(`curl --connect-timeout 5 -m 120 --ipv4 -kfSLo "${tmpdir}/geosite.dat" "${geosite_url}"`).code !== 0) {
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
let sum_downloaded = split(exec_sys(`sha256sum "${tmpdir}/geosite.dat"`).stdout, /[ \t\n]+/)[0];
if (sum_downloaded !== geosite_sum_remote) {
print("\x1b[1;31mgeosite.dat checksum error\n");
exec_sys(`rm -rf "${tmpdir}"`); exit(1);
}
geosite_updated = true;
}
if (geoip_updated) {
exec_sys(`cp -a "${tmpdir}/geoip.dat" "${v2dat_dir}/"`);
}
if (geosite_updated) {
exec_sys(`cp -a "${tmpdir}/geosite.dat" "${v2dat_dir}/"`);
}
exec_sys(`rm -rf "${tmpdir}"`);
}
function v2dat_dump() {
let uci_cursor = cursor();
uci_cursor.load('mosdns');
let v2dat_dir = '/usr/share/v2ray';
let configfile = uci_cursor.get('mosdns', 'config', 'configfile') || '/var/etc/mosdns.json';
let adblock = uci_cursor.get('mosdns', 'config', 'adblock');
let ad_source = uci_cursor.get('mosdns', 'config', 'ad_source') || "";
let streaming_media = uci_cursor.get('mosdns', 'config', 'custom_stream_media_dns');
mkdir('/var/mosdns', 0755);
exec_sys('rm -f /var/mosdns/geo*.txt');
if (configfile === "/var/etc/mosdns.json") {
exec_sys(`v2dat unpack geoip -o /var/mosdns -f cn ${v2dat_dir}/geoip.dat`);
exec_sys(`v2dat unpack geosite -o /var/mosdns -f cn -f apple -f 'geolocation-!cn' ${v2dat_dir}/geosite.dat`);
if (adblock === '1' && index(ad_source, 'geosite.dat') !== -1) {
exec_sys(`v2dat unpack geosite -o /var/mosdns -f category-ads-all ${v2dat_dir}/geosite.dat`);
}
if (streaming_media === '1') {
exec_sys(`v2dat unpack geosite -o /var/mosdns -f netflix -f disney -f hulu ${v2dat_dir}/geosite.dat`);
} else {
writefile('/var/mosdns/geosite_disney.txt', '');
writefile('/var/mosdns/geosite_netflix.txt', '');
writefile('/var/mosdns/geosite_hulu.txt', '');
}
} else {
exec_sys(`v2dat unpack geoip -o /var/mosdns -f cn ${v2dat_dir}/geoip.dat`);
exec_sys(`v2dat unpack geosite -o /var/mosdns -f cn -f 'geolocation-!cn' ${v2dat_dir}/geosite.dat`);
let geoip_tags = to_array(uci_cursor.get('mosdns', 'config', 'geoip_tags'));
if (length(geoip_tags) > 0) {
let tags_str = "-f '" + join("' -f '", geoip_tags) + "'";
exec_sys(`v2dat unpack geoip -o /var/mosdns ${tags_str} ${v2dat_dir}/geoip.dat`);
}
let geosite_tags = to_array(uci_cursor.get('mosdns', 'config', 'geosite_tags'));
if (length(geosite_tags) > 0) {
let tags_str = "-f '" + join("' -f '", geosite_tags) + "'";
exec_sys(`v2dat unpack geosite -o /var/mosdns ${tags_str} ${v2dat_dir}/geosite.dat`);
}
}
}
let action = ARGV[0];
switch (action) {
case "interface_dns":
interface_dns();
break;
case "get_adlist":
get_adlist();
break;
case "update":
if (stat('/var/lock/mosdns_update.lock')) {
print("Another update is already in progress.\n");
exit(1);
}
writefile('/var/lock/mosdns_update.lock', '');
try {
update_geodat();
update_adlist();
v2dat_dump();
print("UPDATE_FINISHED\n");
stdout.flush();
} catch (e) {
print("Update failed: " + e + "\n");
print("UPDATE_FINISHED\n");
stdout.flush();
}
unlink('/var/lock/mosdns_update.lock');
break;
case "update_adlist":
update_adlist();
break;
case "v2dat_dump":
v2dat_dump();
break;
default:
exit(0);
}