1 import * as express from 'express'
2 import { Activity, ActivityPubCollection, ActivityPubOrderedCollection, ActivityType, RootActivity } from '../../../shared'
3 import { logger } from '../../helpers'
4 import { isActivityValid } from '../../helpers/custom-validators/activitypub/activity'
5 import { processCreateActivity, processFlagActivity, processUpdateActivity } from '../../lib'
6 import { processAddActivity } from '../../lib/activitypub/process-add'
7 import { asyncMiddleware, checkSignature, signatureValidator } from '../../middlewares'
8 import { activityPubValidator } from '../../middlewares/validators/activitypub/activity'
10 const processActivity: { [ P in ActivityType ]: (activity: Activity) => Promise<any> } = {
11 Create: processCreateActivity,
12 Add: processAddActivity,
13 Update: processUpdateActivity,
14 Flag: processFlagActivity
17 const inboxRouter = express.Router()
21 asyncMiddleware(checkSignature),
23 asyncMiddleware(inboxController)
26 // ---------------------------------------------------------------------------
32 // ---------------------------------------------------------------------------
34 async function inboxController (req: express.Request, res: express.Response, next: express.NextFunction) {
35 const rootActivity: RootActivity = req.body
36 let activities: Activity[] = []
38 if ([ 'Collection', 'CollectionPage' ].indexOf(rootActivity.type) !== -1) {
39 activities = (rootActivity as ActivityPubCollection).items
40 } else if ([ 'OrderedCollection', 'OrderedCollectionPage' ].indexOf(rootActivity.type) !== -1) {
41 activities = (rootActivity as ActivityPubOrderedCollection).orderedItems
43 activities = [ rootActivity as Activity ]
46 // Only keep activities we are able to process
47 activities = activities.filter(a => isActivityValid(a))
49 await processActivities(activities)
54 async function processActivities (activities: Activity[]) {
55 for (const activity of activities) {
56 const activityProcessor = processActivity[activity.type]
57 if (activityProcessor === undefined) {
58 logger.warn('Unknown activity type %s.', activity.type, { activityId: activity.id })
62 await activityProcessor(activity)