054220db70
* Use I cap * Avoid _ * Use default value instead of optional boolean * Bye useless variable * Bye verbose try-catch
120 lines
3.1 KiB
TypeScript
120 lines
3.1 KiB
TypeScript
import { request } from 'https';
|
|
import { sign } from 'http-signature';
|
|
import { URL } from 'url';
|
|
import * as crypto from 'crypto';
|
|
import { lookup, IRunOptions } from 'lookup-dns-cache';
|
|
import * as promiseAny from 'promise-any';
|
|
|
|
import config from '../../config';
|
|
import { ILocalUser } from '../../models/entities/user';
|
|
import { publishApLogStream } from '../../services/stream';
|
|
import { apLogger } from './logger';
|
|
import { UserKeypairs } from '../../models';
|
|
import fetchMeta from '../../misc/fetch-meta';
|
|
import { toPuny } from '../../misc/convert-host';
|
|
import { ensure } from '../../prelude/ensure';
|
|
|
|
export const logger = apLogger.createSubLogger('deliver');
|
|
|
|
export default async (user: ILocalUser, url: string, object: any) => {
|
|
logger.info(`--> ${url}`);
|
|
|
|
const timeout = 10 * 1000;
|
|
|
|
const { protocol, host, hostname, port, pathname, search } = new URL(url);
|
|
|
|
// ブロックしてたら中断
|
|
// TODO: いちいちデータベースにアクセスするのはコスト高そうなのでどっかにキャッシュしておく
|
|
const meta = await fetchMeta();
|
|
if (meta.blockedHosts.includes(toPuny(host))) return;
|
|
|
|
const data = JSON.stringify(object);
|
|
|
|
const sha256 = crypto.createHash('sha256');
|
|
sha256.update(data);
|
|
const hash = sha256.digest('base64');
|
|
|
|
const addr = await resolveAddr(hostname);
|
|
if (!addr) return;
|
|
|
|
const keypair = await UserKeypairs.findOne({
|
|
userId: user.id
|
|
}).then(ensure);
|
|
|
|
await new Promise((resolve, reject) => {
|
|
const req = request({
|
|
protocol,
|
|
hostname: addr,
|
|
setHost: false,
|
|
port,
|
|
method: 'POST',
|
|
path: pathname + search,
|
|
timeout,
|
|
headers: {
|
|
'Host': host,
|
|
'User-Agent': config.userAgent,
|
|
'Content-Type': 'application/activity+json',
|
|
'Digest': `SHA-256=${hash}`
|
|
}
|
|
}, res => {
|
|
if (res.statusCode! >= 400) {
|
|
logger.warn(`${url} --> ${res.statusCode}`);
|
|
reject(res);
|
|
} else {
|
|
logger.succ(`${url} --> ${res.statusCode}`);
|
|
resolve();
|
|
}
|
|
});
|
|
|
|
sign(req, {
|
|
authorizationHeaderName: 'Signature',
|
|
key: keypair.privateKey,
|
|
keyId: `${config.url}/users/${user.id}/publickey`,
|
|
headers: ['date', 'host', 'digest']
|
|
});
|
|
|
|
// Signature: Signature ... => Signature: ...
|
|
let sig = req.getHeader('Signature')!.toString();
|
|
sig = sig.replace(/^Signature /, '');
|
|
req.setHeader('Signature', sig);
|
|
|
|
req.on('timeout', () => req.abort());
|
|
|
|
req.on('error', e => {
|
|
if (req.aborted) reject('timeout');
|
|
reject(e);
|
|
});
|
|
|
|
req.end(data);
|
|
});
|
|
|
|
//#region Log
|
|
publishApLogStream({
|
|
direction: 'out',
|
|
activity: object.type,
|
|
host: null,
|
|
actor: user.username
|
|
});
|
|
//#endregion
|
|
};
|
|
|
|
/**
|
|
* Resolve host (with cached, asynchrony)
|
|
*/
|
|
async function resolveAddr(domain: string) {
|
|
// v4/v6で先に取得できた方を採用する
|
|
return await promiseAny([
|
|
resolveAddrInner(domain, { family: 4 }),
|
|
resolveAddrInner(domain, { family: 6 })
|
|
]);
|
|
}
|
|
|
|
function resolveAddrInner(domain: string, options: IRunOptions = {}): Promise<string> {
|
|
return new Promise((res, rej) => {
|
|
lookup(domain, options, (error, address) => {
|
|
if (error) return rej(error);
|
|
return res(Array.isArray(address) ? address[0] : address);
|
|
});
|
|
});
|
|
}
|