express-activitypub/routes/admin.js

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'use strict';
const express = require('express'),
router = express.Router(),
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crypto = require('crypto');
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function createActor(name, domain, pubkey) {
return {
'@context': [
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1'
],
'id': `https://${domain}/u/${name}`,
'type': 'Person',
'preferredUsername': `${name}`,
'inbox': `https://${domain}/api/inbox`,
'followers': `https://${domain}/u/${name}/followers`,
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'publicKey': {
'id': `https://${domain}/u/${name}#main-key`,
'owner': `https://${domain}/u/${name}`,
'publicKeyPem': pubkey
}
};
}
function createWebfinger(name, domain) {
return {
'subject': `acct:${name}@${domain}`,
'links': [
{
'rel': 'self',
'type': 'application/activity+json',
'href': `https://${domain}/u/${name}`
}
]
};
}
router.post('/create', function (req, res) {
// pass in a name for an account, if the account doesn't exist, create it!
const account = req.body.account;
if (account === undefined) {
return res.status(400).json({msg: 'Bad request. Please make sure "account" is a property in the POST body.'});
}
let db = req.app.get('db');
let domain = req.app.get('domain');
// create keypair
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crypto.generateKeyPair('rsa', {
modulusLength: 4096,
publicKeyEncoding: {
type: 'spki',
format: 'pem'
},
privateKeyEncoding: {
type: 'pkcs8',
format: 'pem'
}
}, (err, publicKey, privateKey) => {
let actorRecord = createActor(account, domain, publicKey);
let webfingerRecord = createWebfinger(account, domain);
const apikey = crypto.randomBytes(16).toString('hex');
try {
db.prepare('insert or replace into accounts(name, actor, apikey, pubkey, privkey, webfinger) values(?, ?, ?, ?, ?, ?)').run(`${account}@${domain}`, JSON.stringify(actorRecord), apikey, publicKey, privateKey, JSON.stringify(webfingerRecord));
res.status(200).json({msg: 'ok', apikey});
}
catch(e) {
res.status(200).json({error: e});
}
});
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});
module.exports = router;