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import * as https from 'https';
import { sign } from 'http-signature';
import * as crypto from 'crypto';
import * as cache from 'lookup-dns-cache';
import config from '../../config';
import { ILocalUser } from '../../models/entities/user';
import { publishApLogStream } from '../../services/stream';
import { UserKeypairs } from '../../models';
import { ensure } from '../../prelude/ensure';
import * as httpsProxyAgent from 'https-proxy-agent';
const agent = config.proxy
? new httpsProxyAgent(config.proxy)
: new https.Agent({
lookup: cache.lookup,
});
export default async (user: ILocalUser, url: string, object: any) => {
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 keypair = await UserKeypairs.findOne({
userId: user.id
}).then(ensure);
await new Promise((resolve, reject) => {
const req = https.request({
agent,
protocol,
hostname,
port,
method: 'POST',
path: pathname + search,
timeout,
headers: {
'User-Agent': config.userAgent,
'Content-Type': 'application/activity+json',
'Digest': `SHA-256=${hash}`
}
}, res => {
if (res.statusCode! >= 400) {
reject(res);
} else {
resolve();
}
});
sign(req, {
authorizationHeaderName: 'Signature',
key: keypair.privateKey,
keyId: `${config.url}/users/${user.id}/publickey`,
headers: ['date', 'host', 'digest']
});
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
};
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