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Use cached and asynchronous DNS resolver for AP delivery (#3859)

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MeiMei 2019-01-09 15:17:54 +09:00 committed by syuilo
parent 73d91e0df0
commit ebc899c47f
2 changed files with 33 additions and 4 deletions
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4
package.json
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@ -62,7 +62,7 @@
"@types/mocha": "5.2.5",
"@types/mongodb": "3.1.14",
"@types/ms": "0.7.30",
"@types/node": "10.12.10",
"@types/node": "10.12.18",
"@types/nodemailer": "4.6.5",
"@types/oauth": "0.9.1",
"@types/parsimmon": "1.10.0",
@ -156,6 +156,7 @@
"koa-views": "6.1.4",
"langmap": "0.0.16",
"loader-utils": "1.2.3",
"lookup-dns-cache": "2.1.0",
"minio": "7.0.2",
"mkdirp": "0.5.1",
"mocha": "5.2.0",
@ -176,6 +177,7 @@
"portscanner": "2.2.0",
"postcss-loader": "3.0.0",
"progress-bar-webpack-plugin": "1.11.0",
"promise-any": "0.2.0",
"promise-limit": "2.7.0",
"promise-sequential": "1.1.1",
"pug": "2.0.3",

33
src/remote/activitypub/request.ts
View File

@ -3,6 +3,8 @@ const { sign } = require('http-signature');
import { URL } from 'url';
import * as debug from 'debug';
const crypto = require('crypto');
const { lookup } = require('lookup-dns-cache');
const promiseAny = require('promise-any');
import config from '../../config';
import { ILocalUser } from '../../models/user';
@ -10,12 +12,12 @@ import { publishApLogStream } from '../../stream';
const log = debug('misskey:activitypub:deliver');
export default (user: ILocalUser, url: string, object: any) => new Promise((resolve, reject) => {
export default (user: ILocalUser, url: string, object: any) => new Promise(async (resolve, reject) => {
log(`--> ${url}`);
const timeout = 10 * 1000;
const { protocol, hostname, port, pathname, search } = new URL(url);
const { protocol, host, hostname, port, pathname, search } = new URL(url);
const data = JSON.stringify(object);
@ -23,14 +25,19 @@ export default (user: ILocalUser, url: string, object: any) => new Promise((reso
sha256.update(data);
const hash = sha256.digest('base64');
const addr = await resolveAddr(hostname).catch(e => reject(e));
if (!addr) return;
const req = request({
protocol,
hostname,
hostname: addr,
setHost: false,
port,
method: 'POST',
path: pathname + search,
timeout,
headers: {
'Host': host,
'User-Agent': config.user_agent,
'Content-Type': 'application/activity+json',
'Digest': `SHA-256=${hash}`
@ -75,3 +82,23 @@ export default (user: ILocalUser, url: string, object: any) => new Promise((reso
});
//#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, { ipv6: false }),
resolveAddrInner(domain, { ipv6: true })
]);
}
function resolveAddrInner(domain: string, options = { }): Promise<string> {
return new Promise((res, rej) => {
lookup(domain, options, (error: any, address: string) => {
if (error) return rej(error);
return res(address);
});
});
}