Surge_by_SukkaW/Build/build-chn-cidr.ts
2024-10-20 21:58:06 +08:00

78 lines
2.5 KiB
TypeScript

import { fetchRemoteTextByLine } from './lib/fetch-text-by-line';
import { processLineFromReadline } from './lib/process-line';
import { task } from './trace';
import { contains as containsCidr, exclude as excludeCidr } from 'fast-cidr-tools';
import { createMemoizedPromise } from './lib/memo-promise';
import { CN_CIDR_MISSING_IN_CHNROUTE, NON_CN_CIDR_INCLUDED_IN_CHNROUTE } from './constants/cidr';
import { appendArrayInPlace } from './lib/append-array-in-place';
import { IPListOutput } from './lib/create-file';
import { cachedOnlyFail } from './lib/fs-memo';
const PROBE_CHN_CIDR_V4 = [
// NetEase Hangzhou
'223.252.196.38',
// Aliyun ShenZhen
'120.78.92.171'
];
export const getChnCidrPromise = createMemoizedPromise(cachedOnlyFail(
async function getChnCidr() {
const [_cidr4, cidr6] = await Promise.all([
fetchRemoteTextByLine('https://raw.githubusercontent.com/misakaio/chnroutes2/master/chnroutes.txt').then(processLineFromReadline),
fetchRemoteTextByLine('https://gaoyifan.github.io/china-operator-ip/china6.txt').then(processLineFromReadline)
]);
const cidr4 = excludeCidr(
appendArrayInPlace(_cidr4, CN_CIDR_MISSING_IN_CHNROUTE),
NON_CN_CIDR_INCLUDED_IN_CHNROUTE,
true
);
for (const probeIp of PROBE_CHN_CIDR_V4) {
if (!containsCidr(cidr4, PROBE_CHN_CIDR_V4)) {
const err = new TypeError('chnroutes missing probe IP');
err.cause = probeIp;
throw err;
}
}
return [cidr4, cidr6] as const;
},
{
serializer: JSON.stringify,
deserializer: JSON.parse
}
));
export const buildChnCidr = task(require.main === module, __filename)(async (span) => {
const [filteredCidr4, cidr6] = await span.traceChildAsync('download chnroutes2', getChnCidrPromise);
// Can not use SHARED_DESCRIPTION here as different license
const description = [
'License: CC BY-SA 2.0',
'Homepage: https://ruleset.skk.moe',
'GitHub: https://github.com/SukkaW/Surge',
''
];
return Promise.all([
new IPListOutput(span, 'china_ip', false)
.withTitle('Sukka\'s Ruleset - Mainland China IPv4 CIDR')
.withDescription([
...description,
'Data from https://misaka.io (misakaio @ GitHub)'
])
.bulkAddCIDR4(filteredCidr4)
.write(),
new IPListOutput(span, 'china_ip_ipv6', false)
.withTitle('Sukka\'s Ruleset - Mainland China IPv6 CIDR')
.withDescription([
...description,
'Data from https://github.com/gaoyifan/china-operator-ip'
])
.bulkAddCIDR6(cidr6)
.write()
]);
});