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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/constants' | |
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 | import { MActor } from '../typings/models' | |
11 | ||
12 | function activityPubContextify <T> (data: T) { | |
13 | return Object.assign(data, { | |
14 | '@context': [ | |
15 | 'https://www.w3.org/ns/activitystreams', | |
16 | 'https://w3id.org/security/v1', | |
17 | { | |
18 | RsaSignature2017: 'https://w3id.org/security#RsaSignature2017', | |
19 | pt: 'https://joinpeertube.org/ns#', | |
20 | sc: 'http://schema.org#', | |
21 | Hashtag: 'as:Hashtag', | |
22 | uuid: 'sc:identifier', | |
23 | category: 'sc:category', | |
24 | licence: 'sc:license', | |
25 | subtitleLanguage: 'sc:subtitleLanguage', | |
26 | sensitive: 'as:sensitive', | |
27 | language: 'sc:inLanguage', | |
28 | expires: 'sc:expires', | |
29 | CacheFile: 'pt:CacheFile', | |
30 | Infohash: 'pt:Infohash', | |
31 | originallyPublishedAt: 'sc:datePublished', | |
32 | views: { | |
33 | '@type': 'sc:Number', | |
34 | '@id': 'pt:views' | |
35 | }, | |
36 | state: { | |
37 | '@type': 'sc:Number', | |
38 | '@id': 'pt:state' | |
39 | }, | |
40 | size: { | |
41 | '@type': 'sc:Number', | |
42 | '@id': 'pt:size' | |
43 | }, | |
44 | fps: { | |
45 | '@type': 'sc:Number', | |
46 | '@id': 'pt:fps' | |
47 | }, | |
48 | startTimestamp: { | |
49 | '@type': 'sc:Number', | |
50 | '@id': 'pt:startTimestamp' | |
51 | }, | |
52 | stopTimestamp: { | |
53 | '@type': 'sc:Number', | |
54 | '@id': 'pt:stopTimestamp' | |
55 | }, | |
56 | position: { | |
57 | '@type': 'sc:Number', | |
58 | '@id': 'pt:position' | |
59 | }, | |
60 | commentsEnabled: { | |
61 | '@type': 'sc:Boolean', | |
62 | '@id': 'pt:commentsEnabled' | |
63 | }, | |
64 | downloadEnabled: { | |
65 | '@type': 'sc:Boolean', | |
66 | '@id': 'pt:downloadEnabled' | |
67 | }, | |
68 | waitTranscoding: { | |
69 | '@type': 'sc:Boolean', | |
70 | '@id': 'pt:waitTranscoding' | |
71 | }, | |
72 | support: { | |
73 | '@type': 'sc:Text', | |
74 | '@id': 'pt:support' | |
75 | } | |
76 | }, | |
77 | { | |
78 | likes: { | |
79 | '@id': 'as:likes', | |
80 | '@type': '@id' | |
81 | }, | |
82 | dislikes: { | |
83 | '@id': 'as:dislikes', | |
84 | '@type': '@id' | |
85 | }, | |
86 | playlists: { | |
87 | '@id': 'pt:playlists', | |
88 | '@type': '@id' | |
89 | }, | |
90 | shares: { | |
91 | '@id': 'as:shares', | |
92 | '@type': '@id' | |
93 | }, | |
94 | comments: { | |
95 | '@id': 'as:comments', | |
96 | '@type': '@id' | |
97 | } | |
98 | } | |
99 | ] | |
100 | }) | |
101 | } | |
102 | ||
103 | type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird<ResultList<any>> | Promise<ResultList<any>> | |
104 | async function activityPubCollectionPagination (baseUrl: string, handler: ActivityPubCollectionPaginationHandler, page?: any) { | |
105 | if (!page || !validator.isInt(page)) { | |
106 | // We just display the first page URL, we only need the total items | |
107 | const result = await handler(0, 1) | |
108 | ||
109 | return { | |
110 | id: baseUrl, | |
111 | type: 'OrderedCollectionPage', | |
112 | totalItems: result.total, | |
113 | first: baseUrl + '?page=1' | |
114 | } | |
115 | } | |
116 | ||
117 | const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) | |
118 | const result = await handler(start, count) | |
119 | ||
120 | let next: string | undefined | |
121 | let prev: string | undefined | |
122 | ||
123 | // Assert page is a number | |
124 | page = parseInt(page, 10) | |
125 | ||
126 | // There are more results | |
127 | if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) { | |
128 | next = baseUrl + '?page=' + (page + 1) | |
129 | } | |
130 | ||
131 | if (page > 1) { | |
132 | prev = baseUrl + '?page=' + (page - 1) | |
133 | } | |
134 | ||
135 | return { | |
136 | id: baseUrl + '?page=' + page, | |
137 | type: 'OrderedCollectionPage', | |
138 | prev, | |
139 | next, | |
140 | partOf: baseUrl, | |
141 | orderedItems: result.data, | |
142 | totalItems: result.total | |
143 | } | |
144 | ||
145 | } | |
146 | ||
147 | function buildSignedActivity (byActor: MActor, data: Object) { | |
148 | const activity = activityPubContextify(data) | |
149 | ||
150 | return signJsonLDObject(byActor, activity) as Promise<Activity> | |
151 | } | |
152 | ||
153 | function getAPId (activity: string | { id: string }) { | |
154 | if (typeof activity === 'string') return activity | |
155 | ||
156 | return activity.id | |
157 | } | |
158 | ||
159 | function checkUrlsSameHost (url1: string, url2: string) { | |
160 | const idHost = parse(url1).host | |
161 | const actorHost = parse(url2).host | |
162 | ||
163 | return idHost && actorHost && idHost.toLowerCase() === actorHost.toLowerCase() | |
164 | } | |
165 | ||
166 | // --------------------------------------------------------------------------- | |
167 | ||
168 | export { | |
169 | checkUrlsSameHost, | |
170 | getAPId, | |
171 | activityPubContextify, | |
172 | activityPubCollectionPagination, | |
173 | buildSignedActivity | |
174 | } |