import * as Bluebird from 'bluebird' import * as validator from 'validator' import { ResultList } from '../../shared/models' import { Activity, ActivityPubActor } from '../../shared/models/activitypub' import { ACTIVITY_PUB } from '../initializers' import { ActorModel } from '../models/activitypub/actor' import { signObject } from './peertube-crypto' import { pageToStartAndCount } from './core-utils' function activityPubContextify (data: T) { return Object.assign(data, { '@context': [ 'https://www.w3.org/ns/activitystreams', 'https://w3id.org/security/v1', { RsaSignature2017: 'https://w3id.org/security#RsaSignature2017', Hashtag: 'as:Hashtag', uuid: 'http://schema.org/identifier', category: 'http://schema.org/category', licence: 'http://schema.org/license', sensitive: 'as:sensitive', language: 'http://schema.org/inLanguage', views: 'http://schema.org/Number', stats: 'http://schema.org/Number', size: 'http://schema.org/Number', commentsEnabled: 'http://schema.org/Boolean', waitTranscoding: 'http://schema.org/Boolean', support: 'http://schema.org/Text' }, { likes: { '@id': 'as:likes', '@type': '@id' }, dislikes: { '@id': 'as:dislikes', '@type': '@id' }, shares: { '@id': 'as:shares', '@type': '@id' }, comments: { '@id': 'as:comments', '@type': '@id' } } ] }) } type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird> | Promise> async function activityPubCollectionPagination (url: string, handler: ActivityPubCollectionPaginationHandler, page?: any) { if (!page || !validator.isInt(page)) { // We just display the first page URL, we only need the total items const result = await handler(0, 1) return { id: url, type: 'OrderedCollection', totalItems: result.total, first: url + '?page=1' } } const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) const result = await handler(start, count) let next: string let prev: string // Assert page is a number page = parseInt(page, 10) // There are more results if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) { next = url + '?page=' + (page + 1) } if (page > 1) { prev = url + '?page=' + (page - 1) } return { id: url + '?page=' + page, type: 'OrderedCollectionPage', prev, next, partOf: url, orderedItems: result.data, totalItems: result.total } } function buildSignedActivity (byActor: ActorModel, data: Object) { const activity = activityPubContextify(data) return signObject(byActor, activity) as Promise } function getActorUrl (activityActor: string | ActivityPubActor) { if (typeof activityActor === 'string') return activityActor return activityActor.id } // --------------------------------------------------------------------------- export { getActorUrl, activityPubContextify, activityPubCollectionPagination, buildSignedActivity }