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1 | import { ResultList } from '../../shared/models' | |
2 | import { Activity } from '../../shared/models/activitypub' | |
3 | import { ACTIVITY_PUB } from '../initializers' | |
4 | import { ActorModel } from '../models/activitypub/actor' | |
5 | import { signObject } from './peertube-crypto' | |
6 | ||
7 | function activityPubContextify <T> (data: T) { | |
8 | return Object.assign(data,{ | |
9 | '@context': [ | |
10 | 'https://www.w3.org/ns/activitystreams', | |
11 | 'https://w3id.org/security/v1', | |
12 | { | |
13 | 'RsaSignature2017': 'https://w3id.org/security#RsaSignature2017', | |
14 | 'Hashtag': 'as:Hashtag', | |
15 | 'uuid': 'http://schema.org/identifier', | |
16 | 'category': 'http://schema.org/category', | |
17 | 'licence': 'http://schema.org/license', | |
18 | 'nsfw': 'as:sensitive', | |
19 | 'language': 'http://schema.org/inLanguage', | |
20 | 'views': 'http://schema.org/Number', | |
21 | 'size': 'http://schema.org/Number' | |
22 | } | |
23 | ] | |
24 | }) | |
25 | } | |
26 | ||
27 | function activityPubCollection (results: any[]) { | |
28 | return { | |
29 | type: 'OrderedCollection', | |
30 | totalItems: results.length, | |
31 | orderedItems: results | |
32 | } | |
33 | } | |
34 | ||
35 | function activityPubCollectionPagination (url: string, page: any, result: ResultList<any>) { | |
36 | let next: string | |
37 | let prev: string | |
38 | ||
39 | // Assert page is a number | |
40 | page = parseInt(page, 10) | |
41 | ||
42 | // There are more results | |
43 | if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) { | |
44 | next = url + '?page=' + (page + 1) | |
45 | } | |
46 | ||
47 | if (page > 1) { | |
48 | prev = url + '?page=' + (page - 1) | |
49 | } | |
50 | ||
51 | const orderedCollectionPagination = { | |
52 | id: url + '?page=' + page, | |
53 | type: 'OrderedCollectionPage', | |
54 | prev, | |
55 | next, | |
56 | partOf: url, | |
57 | orderedItems: result.data | |
58 | } | |
59 | ||
60 | if (page === 1) { | |
61 | return activityPubContextify({ | |
62 | id: url, | |
63 | type: 'OrderedCollection', | |
64 | totalItems: result.total, | |
65 | first: orderedCollectionPagination | |
66 | }) | |
67 | } else { | |
68 | orderedCollectionPagination['totalItems'] = result.total | |
69 | } | |
70 | ||
71 | return orderedCollectionPagination | |
72 | } | |
73 | ||
74 | function buildSignedActivity (byActor: ActorModel, data: Object) { | |
75 | const activity = activityPubContextify(data) | |
76 | ||
77 | return signObject(byActor, activity) as Promise<Activity> | |
78 | } | |
79 | ||
80 | // --------------------------------------------------------------------------- | |
81 | ||
82 | export { | |
83 | activityPubContextify, | |
84 | activityPubCollectionPagination, | |
85 | activityPubCollection, | |
86 | buildSignedActivity | |
87 | } |