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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 | 'sensitive': 'as:sensitive', | |
19 | 'language': 'http://schema.org/inLanguage', | |
20 | 'views': 'http://schema.org/Number', | |
21 | 'size': 'http://schema.org/Number', | |
22 | 'commentsEnabled': 'http://schema.org/Boolean' | |
23 | } | |
24 | ] | |
25 | }) | |
26 | } | |
27 | ||
28 | function activityPubCollection (url: string, results: any[]) { | |
29 | return { | |
30 | id: url, | |
31 | type: 'OrderedCollection', | |
32 | totalItems: results.length, | |
33 | orderedItems: results | |
34 | } | |
35 | } | |
36 | ||
37 | function activityPubCollectionPagination (url: string, page: any, result: ResultList<any>) { | |
38 | let next: string | |
39 | let prev: string | |
40 | ||
41 | // Assert page is a number | |
42 | page = parseInt(page, 10) | |
43 | ||
44 | // There are more results | |
45 | if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) { | |
46 | next = url + '?page=' + (page + 1) | |
47 | } | |
48 | ||
49 | if (page > 1) { | |
50 | prev = url + '?page=' + (page - 1) | |
51 | } | |
52 | ||
53 | const orderedCollectionPagination = { | |
54 | id: url + '?page=' + page, | |
55 | type: 'OrderedCollectionPage', | |
56 | prev, | |
57 | next, | |
58 | partOf: url, | |
59 | orderedItems: result.data | |
60 | } | |
61 | ||
62 | if (page === 1) { | |
63 | return activityPubContextify({ | |
64 | id: url, | |
65 | type: 'OrderedCollection', | |
66 | totalItems: result.total, | |
67 | first: orderedCollectionPagination | |
68 | }) | |
69 | } else { | |
70 | orderedCollectionPagination['totalItems'] = result.total | |
71 | } | |
72 | ||
73 | return orderedCollectionPagination | |
74 | } | |
75 | ||
76 | function buildSignedActivity (byActor: ActorModel, data: Object) { | |
77 | const activity = activityPubContextify(data) | |
78 | ||
79 | return signObject(byActor, activity) as Promise<Activity> | |
80 | } | |
81 | ||
82 | // --------------------------------------------------------------------------- | |
83 | ||
84 | export { | |
85 | activityPubContextify, | |
86 | activityPubCollectionPagination, | |
87 | activityPubCollection, | |
88 | buildSignedActivity | |
89 | } |