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import * as express from 'express'
import {
processCreateActivity,
processUpdateActivity,
processFlagActivity
} from '../../lib'
import {
Activity,
ActivityType,
RootActivity,
ActivityPubCollection,
ActivityPubOrderedCollection
} from '../../../shared'
import {
signatureValidator,
checkSignature,
asyncMiddleware
} from '../../middlewares'
import { logger } from '../../helpers'
const processActivity: { [ P in ActivityType ]: (activity: Activity) => Promise<any> } = {
Create: processCreateActivity,
Update: processUpdateActivity,
Flag: processFlagActivity
}
const inboxRouter = express.Router()
inboxRouter.post('/',
signatureValidator,
asyncMiddleware(checkSignature),
// inboxValidator,
asyncMiddleware(inboxController)
)
// ---------------------------------------------------------------------------
export {
inboxRouter
}
// ---------------------------------------------------------------------------
async function inboxController (req: express.Request, res: express.Response, next: express.NextFunction) {
const rootActivity: RootActivity = req.body
let activities: Activity[] = []
if ([ 'Collection', 'CollectionPage' ].indexOf(rootActivity.type) !== -1) {
activities = (rootActivity as ActivityPubCollection).items
} else if ([ 'OrderedCollection', 'OrderedCollectionPage' ].indexOf(rootActivity.type) !== -1) {
activities = (rootActivity as ActivityPubOrderedCollection).orderedItems
} else {
activities = [ rootActivity as Activity ]
}
await processActivities(activities)
res.status(204).end()
}
async function processActivities (activities: Activity[]) {
for (const activity of activities) {
const activityProcessor = processActivity[activity.type]
if (activityProcessor === undefined) {
logger.warn('Unknown activity type %s.', activity.type, { activityId: activity.id })
continue
}
await activityProcessor(activity)
}
}
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