87 lines
2.0 KiB
TypeScript
87 lines
2.0 KiB
TypeScript
import * as https from 'https';
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import { sign } from 'http-signature';
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import * as crypto from 'crypto';
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import * as cache from 'lookup-dns-cache';
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import config from '../../config';
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import { ILocalUser } from '../../models/entities/user';
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import { publishApLogStream } from '../../services/stream';
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import { UserKeypairs } from '../../models';
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import { ensure } from '../../prelude/ensure';
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import * as httpsProxyAgent from 'https-proxy-agent';
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const agent = config.proxy
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? new httpsProxyAgent(config.proxy)
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: new https.Agent({
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lookup: cache.lookup,
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});
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export default async (user: ILocalUser, url: string, object: any) => {
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const timeout = 10 * 1000;
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const { protocol, hostname, port, pathname, search } = new URL(url);
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const data = JSON.stringify(object);
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const sha256 = crypto.createHash('sha256');
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sha256.update(data);
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const hash = sha256.digest('base64');
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const keypair = await UserKeypairs.findOne({
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userId: user.id
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}).then(ensure);
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await new Promise((resolve, reject) => {
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const req = https.request({
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agent,
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protocol,
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hostname,
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port,
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method: 'POST',
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path: pathname + search,
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timeout,
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headers: {
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'User-Agent': config.userAgent,
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'Content-Type': 'application/activity+json',
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'Digest': `SHA-256=${hash}`
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}
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}, res => {
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if (res.statusCode! >= 400) {
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reject(res);
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} else {
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resolve();
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}
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});
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sign(req, {
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authorizationHeaderName: 'Signature',
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key: keypair.privateKey,
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keyId: `${config.url}/users/${user.id}/publickey`,
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headers: ['date', 'host', 'digest']
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});
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// Signature: Signature ... => Signature: ...
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let sig = req.getHeader('Signature')!.toString();
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sig = sig.replace(/^Signature /, '');
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req.setHeader('Signature', sig);
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req.on('timeout', () => req.abort());
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req.on('error', e => {
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if (req.aborted) reject('timeout');
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reject(e);
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});
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req.end(data);
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});
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//#region Log
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publishApLogStream({
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direction: 'out',
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activity: object.type,
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host: null,
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actor: user.username
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});
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//#endregion
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};
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