misskey/src/remote/activitypub/request.ts

68 lines
1.5 KiB
TypeScript

import { request } from 'https';
const { sign } = require('http-signature');
import { URL } from 'url';
import * as debug from 'debug';
const crypto = require('crypto');
import config from '../../config';
import { ILocalUser } from '../../models/user';
const log = debug('misskey:activitypub:deliver');
export default (user: ILocalUser, url: string, object: any) => new Promise((resolve, reject) => {
log(`--> ${url}`);
const timeout = 10 * 1000;
const { protocol, hostname, port, pathname, search } = new URL(url);
const data = JSON.stringify(object);
const sha256 = crypto.createHash('sha256');
sha256.update(data);
const hash = sha256.digest('base64');
const req = request({
protocol,
hostname,
port,
method: 'POST',
path: pathname + search,
timeout,
headers: {
'User-Agent': config.user_agent,
'Content-Type': 'application/activity+json',
'Digest': `SHA-256=${hash}`
}
}, res => {
log(`${url} --> ${res.statusCode}`);
if (res.statusCode >= 400) {
reject(res);
} else {
resolve();
}
});
sign(req, {
authorizationHeaderName: 'Signature',
key: user.keypair,
keyId: `${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);
});