50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
import * as express from 'express';
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import config from '../config';
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import parseAcct from '../acct/parse';
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import User from '../models/user';
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const app = express();
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app.get('/.well-known/webfinger', async (req: express.Request, res: express.Response) => {
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if (typeof req.query.resource !== 'string') {
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return res.sendStatus(400);
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}
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const resourceLower = req.query.resource.toLowerCase();
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const webPrefix = config.url.toLowerCase() + '/@';
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let acctLower;
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if (resourceLower.startsWith(webPrefix)) {
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acctLower = resourceLower.slice(webPrefix.length);
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} else if (resourceLower.startsWith('acct:')) {
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acctLower = resourceLower.slice('acct:'.length);
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} else {
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acctLower = resourceLower;
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}
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const parsedAcctLower = parseAcct(acctLower);
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if (![null, config.host.toLowerCase()].includes(parsedAcctLower.host)) {
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return res.sendStatus(422);
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}
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const user = await User.findOne({ usernameLower: parsedAcctLower.username, host: null });
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if (user === null) {
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return res.sendStatus(404);
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}
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return res.json({
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subject: `acct:${user.username}@${config.host}`,
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links: [{
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rel: 'self',
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type: 'application/activity+json',
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href: `${config.url}/@${user.username}`
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}, {
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rel: 'http://webfinger.net/rel/profile-page',
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type: 'text/html',
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href: `${config.url}/@${user.username}`
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}]
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});
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});
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export default app;
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