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1 | import * as Bluebird from 'bluebird' | |
2 | import * as validator from 'validator' | |
3 | import { ResultList } from '../../shared/models' | |
4 | import { Activity } from '../../shared/models/activitypub' | |
5 | import { ACTIVITY_PUB } from '../initializers' | |
6 | import { ActorModel } from '../models/activitypub/actor' | |
7 | import { signJsonLDObject } from './peertube-crypto' | |
8 | import { pageToStartAndCount } from './core-utils' | |
9 | import { parse } from 'url' | |
10 | ||
11 | function activityPubContextify <T> (data: T) { | |
12 | return Object.assign(data, { | |
13 | '@context': [ | |
14 | 'https://www.w3.org/ns/activitystreams', | |
15 | 'https://w3id.org/security/v1', | |
16 | { | |
17 | RsaSignature2017: 'https://w3id.org/security#RsaSignature2017', | |
18 | pt: 'https://joinpeertube.org/ns', | |
19 | sc: 'http://schema.org#', | |
20 | Hashtag: 'as:Hashtag', | |
21 | uuid: 'sc:identifier', | |
22 | category: 'sc:category', | |
23 | licence: 'sc:license', | |
24 | subtitleLanguage: 'sc:subtitleLanguage', | |
25 | sensitive: 'as:sensitive', | |
26 | language: 'sc:inLanguage', | |
27 | views: 'sc:Number', | |
28 | state: 'sc:Number', | |
29 | size: 'sc:Number', | |
30 | fps: 'sc:Number', | |
31 | commentsEnabled: 'sc:Boolean', | |
32 | waitTranscoding: 'sc:Boolean', | |
33 | expires: 'sc:expires', | |
34 | support: 'sc:Text', | |
35 | CacheFile: 'pt:CacheFile' | |
36 | }, | |
37 | { | |
38 | likes: { | |
39 | '@id': 'as:likes', | |
40 | '@type': '@id' | |
41 | }, | |
42 | dislikes: { | |
43 | '@id': 'as:dislikes', | |
44 | '@type': '@id' | |
45 | }, | |
46 | shares: { | |
47 | '@id': 'as:shares', | |
48 | '@type': '@id' | |
49 | }, | |
50 | comments: { | |
51 | '@id': 'as:comments', | |
52 | '@type': '@id' | |
53 | } | |
54 | } | |
55 | ] | |
56 | }) | |
57 | } | |
58 | ||
59 | type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird<ResultList<any>> | Promise<ResultList<any>> | |
60 | async function activityPubCollectionPagination (baseUrl: string, handler: ActivityPubCollectionPaginationHandler, page?: any) { | |
61 | if (!page || !validator.isInt(page)) { | |
62 | // We just display the first page URL, we only need the total items | |
63 | const result = await handler(0, 1) | |
64 | ||
65 | return { | |
66 | id: baseUrl, | |
67 | type: 'OrderedCollection', | |
68 | totalItems: result.total, | |
69 | first: baseUrl + '?page=1' | |
70 | } | |
71 | } | |
72 | ||
73 | const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) | |
74 | const result = await handler(start, count) | |
75 | ||
76 | let next: string | undefined | |
77 | let prev: string | undefined | |
78 | ||
79 | // Assert page is a number | |
80 | page = parseInt(page, 10) | |
81 | ||
82 | // There are more results | |
83 | if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) { | |
84 | next = baseUrl + '?page=' + (page + 1) | |
85 | } | |
86 | ||
87 | if (page > 1) { | |
88 | prev = baseUrl + '?page=' + (page - 1) | |
89 | } | |
90 | ||
91 | return { | |
92 | id: baseUrl + '?page=' + page, | |
93 | type: 'OrderedCollectionPage', | |
94 | prev, | |
95 | next, | |
96 | partOf: baseUrl, | |
97 | orderedItems: result.data, | |
98 | totalItems: result.total | |
99 | } | |
100 | ||
101 | } | |
102 | ||
103 | function buildSignedActivity (byActor: ActorModel, data: Object) { | |
104 | const activity = activityPubContextify(data) | |
105 | ||
106 | return signJsonLDObject(byActor, activity) as Promise<Activity> | |
107 | } | |
108 | ||
109 | function getAPUrl (activity: string | { id: string }) { | |
110 | if (typeof activity === 'string') return activity | |
111 | ||
112 | return activity.id | |
113 | } | |
114 | ||
115 | function checkUrlsSameHost (url1: string, url2: string) { | |
116 | const idHost = parse(url1).host | |
117 | const actorHost = parse(url2).host | |
118 | ||
119 | return idHost && actorHost && idHost.toLowerCase() === actorHost.toLowerCase() | |
120 | } | |
121 | ||
122 | // --------------------------------------------------------------------------- | |
123 | ||
124 | export { | |
125 | checkUrlsSameHost, | |
126 | getAPUrl, | |
127 | activityPubContextify, | |
128 | activityPubCollectionPagination, | |
129 | buildSignedActivity | |
130 | } |