116 lines
No EOL
3.4 KiB
JavaScript
116 lines
No EOL
3.4 KiB
JavaScript
const crypto = require('crypto')
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const {promisify} = require('util')
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const {ASContext} = require('./consts')
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const config = require('../config.json')
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module.exports.validators = require('./validators');
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function isObject(value) {
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return value && typeof value === 'object' && value.constructor === Object
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}
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// outtermost closure starts the recursion counter
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// const level = 0;
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function traverseObject(obj, f) {
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const traverse = o => {
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// const level = level + 1
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// if (level > 5) return o
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traverseObject(o, f)
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}
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if (!isObject(obj)) return obj;
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Object.keys(obj).forEach(traverse)
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return f(obj);
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}
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module.exports.toJSONLD = function (obj) {
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obj['@context'] = obj['@context'] || ASContext;
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return obj;
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}
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module.exports.arrayToCollection = function (arr, ordered) {
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return {
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'@context': ASContext,
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totalItems: arr.length,
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type: ordered ? 'orderedCollection' : 'collection',
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[ordered ? 'orderedItems' : 'items']: arr,
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}
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}
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function usernameToIRI (user) {
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return `https://${config.DOMAIN}/u/${user}`
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}
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module.exports.usernameToIRI = usernameToIRI
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const generateKeyPairPromise = promisify(crypto.generateKeyPair)
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function createLocalActor (name, type) {
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return generateKeyPairPromise('rsa', {
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modulusLength: 4096,
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publicKeyEncoding: {
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type: 'spki',
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format: 'pem'
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},
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privateKeyEncoding: {
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type: 'pkcs8',
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format: 'pem',
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cipher: 'aes-256-cbc',
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passphrase: config.KEYPASS
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}
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}).then(pair => {
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const actorBase = usernameToIRI(name);
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return {
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_meta: {
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privateKey: pair.privateKey,
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},
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id: `${actorBase}`,
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"type": type,
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"following": `${actorBase}/following`,
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"followers": `${actorBase}/followers`,
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"liked": `${actorBase}/liked`,
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"inbox": `${actorBase}/inbox`,
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"outbox": `${actorBase}/outbox`,
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"preferredUsername": name,
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"name": "Dummy Person",
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"summary": "Gotta have someone in the db",
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"icon": `http://${config.DOMAIN}/f/${name}.png`,
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attachment: [
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`http://${config.DOMAIN}/f/${name}.glb`
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],
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publicKey: {
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'id': `${actorBase}#main-key`,
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'owner': `${actorBase}`,
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'publicKeyPem': pair.publicKey
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},
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}
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})
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}
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module.exports.createLocalActor = createLocalActor
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async function getOrCreateActor(preferredUsername, db) {
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const id = usernameToIRI(preferredUsername)
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let user = await db.collection('objects')
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.find({id: id})
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.limit(1)
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.project({_id: 0, _meta: 0})
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.next()
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if (user) {
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return user
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}
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// auto create groups whenever an unknown actor is referenced
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user = await createLocalActor(preferredUsername, 'Group')
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await db.collection('objects').insertOne(user)
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// only executed on success
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delete user._meta
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delete user._id
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return user
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}
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module.exports.getOrCreateActor = getOrCreateActor
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function actorFromActivity (activity) {
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if (Object.prototype.toString.call(activity.actor) === '[object String]') {
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return activity.actor
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}
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if (activity.actor.type === 'Link') {
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return activity.actor.href
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}
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return activity.actor.id
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}
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module.exports.actorFromActivity = actorFromActivity |