72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
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'use strict'
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const { ObjectId } = require('mongodb')
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const store = require('../store')
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const pubUtils = require('./utils')
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const pubObject = require('./object')
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const pubFederation = require('./federation')
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module.exports = {
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address,
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addToOutbox,
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build
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}
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function build (type, actorId, object, to, cc, etc) {
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const oid = new ObjectId()
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const act = Object.assign({
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// _id: oid,
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id: pubUtils.objectIdToIRI(oid),
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type,
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actor: actorId,
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object,
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to,
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cc,
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published: new Date().toISOString()
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}, etc)
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return act
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}
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async function address (activity) {
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let audience = []
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;['to', 'bto', 'cc', 'bcc', 'audience'].forEach(t => {
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if (activity[t]) {
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audience = audience.concat(activity[t])
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}
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})
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audience = audience.map(t => {
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if (t === 'https://www.w3.org/ns/activitystreams#Public') {
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return null
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}
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return pubObject.resolveObject(t)
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})
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audience = await Promise.all(audience).then(addresses => {
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// TODO: spec says only deliver to actor-owned collections
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addresses = addresses.map(t => {
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if (t && t.inbox) {
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return t
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}
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if (t && t.items) {
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return t.items.map(pubObject.resolveObject)
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}
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if (t && t.orderedItems) {
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return t.orderedItems.map(pubObject.resolveObject)
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}
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})
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// flattens and resolves collections
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return Promise.all([].concat(...addresses))
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})
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audience = audience.filter(t => t && t.inbox)
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.map(t => t.inbox)
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// de-dupe
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return Array.from(new Set(audience))
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}
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function addToOutbox (actor, activity) {
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return Promise.all([
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// ensure object is cached, but don't alter representation in activity
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// so activities can be sent with objects as links
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pubObject.resolve(activity.object),
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store.stream.save(activity),
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address(activity).then(addresses => pubFederation.deliver(actor, activity, addresses))
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])
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}
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