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, processUpdateActivity, processUndoActivity } from '../../lib'
6 import { processAcceptActivity } from '../../lib/activitypub/process/process-accept'
7 import { processAddActivity } from '../../lib/activitypub/process/process-add'
8 import { processAnnounceActivity } from '../../lib/activitypub/process/process-announce'
9 import { processDeleteActivity } from '../../lib/activitypub/process/process-delete'
10 import { processFollowActivity } from '../../lib/activitypub/process/process-follow'
11 import { asyncMiddleware, checkSignature, localAccountValidator, signatureValidator } from '../../middlewares'
12 import { activityPubValidator } from '../../middlewares/validators/activitypub/activity'
13 import { AccountInstance } from '../../models/account/account-interface'
15 const processActivity: { [ P in ActivityType ]: (activity: Activity, inboxAccount?: AccountInstance) => Promise<any> } = {
16 Create: processCreateActivity,
17 Add: processAddActivity,
18 Update: processUpdateActivity,
19 Delete: processDeleteActivity,
20 Follow: processFollowActivity,
21 Accept: processAcceptActivity,
22 Announce: processAnnounceActivity,
23 Undo: processUndoActivity
26 const inboxRouter = express.Router()
28 inboxRouter.post('/inbox',
30 asyncMiddleware(checkSignature),
32 asyncMiddleware(inboxController)
35 inboxRouter.post('/account/:name/inbox',
37 asyncMiddleware(checkSignature),
38 localAccountValidator,
40 asyncMiddleware(inboxController)
43 // ---------------------------------------------------------------------------
49 // ---------------------------------------------------------------------------
51 async function inboxController (req: express.Request, res: express.Response, next: express.NextFunction) {
52 const rootActivity: RootActivity = req.body
53 let activities: Activity[] = []
55 if ([ 'Collection', 'CollectionPage' ].indexOf(rootActivity.type) !== -1) {
56 activities = (rootActivity as ActivityPubCollection).items
57 } else if ([ 'OrderedCollection', 'OrderedCollectionPage' ].indexOf(rootActivity.type) !== -1) {
58 activities = (rootActivity as ActivityPubOrderedCollection).orderedItems
60 activities = [ rootActivity as Activity ]
63 // Only keep activities we are able to process
64 logger.debug('Filtering activities...', { activities })
65 activities = activities.filter(a => isActivityValid(a))
66 logger.debug('We keep %d activities.', activities.length, { activities })
68 await processActivities(activities, res.locals.account)
73 async function processActivities (activities: Activity[], inboxAccount?: AccountInstance) {
74 for (const activity of activities) {
75 const activityProcessor = processActivity[activity.type]
76 if (activityProcessor === undefined) {
77 logger.warn('Unknown activity type %s.', activity.type, { activityId: activity.id })
81 await activityProcessor(activity, inboxAccount)