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1 | import Bluebird from 'bluebird' | |
2 | import { URL } from 'url' | |
3 | import validator from 'validator' | |
4 | import { ContextType } from '@shared/models/activitypub/context' | |
5 | import { ResultList } from '../../shared/models' | |
6 | import { ACTIVITY_PUB, REMOTE_SCHEME } from '../initializers/constants' | |
7 | import { MActor, MVideoWithHost } from '../types/models' | |
8 | import { pageToStartAndCount } from './core-utils' | |
9 | import { signJsonLDObject } from './peertube-crypto' | |
10 | ||
11 | function getContextData (type: ContextType) { | |
12 | const context: any[] = [ | |
13 | 'https://www.w3.org/ns/activitystreams', | |
14 | 'https://w3id.org/security/v1', | |
15 | { | |
16 | RsaSignature2017: 'https://w3id.org/security#RsaSignature2017' | |
17 | } | |
18 | ] | |
19 | ||
20 | if (type !== 'View' && type !== 'Announce') { | |
21 | const additional = { | |
22 | pt: 'https://joinpeertube.org/ns#', | |
23 | sc: 'http://schema.org#' | |
24 | } | |
25 | ||
26 | if (type === 'CacheFile') { | |
27 | Object.assign(additional, { | |
28 | expires: 'sc:expires', | |
29 | CacheFile: 'pt:CacheFile' | |
30 | }) | |
31 | } else { | |
32 | Object.assign(additional, { | |
33 | Hashtag: 'as:Hashtag', | |
34 | uuid: 'sc:identifier', | |
35 | category: 'sc:category', | |
36 | licence: 'sc:license', | |
37 | subtitleLanguage: 'sc:subtitleLanguage', | |
38 | sensitive: 'as:sensitive', | |
39 | language: 'sc:inLanguage', | |
40 | ||
41 | isLiveBroadcast: 'sc:isLiveBroadcast', | |
42 | liveSaveReplay: { | |
43 | '@type': 'sc:Boolean', | |
44 | '@id': 'pt:liveSaveReplay' | |
45 | }, | |
46 | permanentLive: { | |
47 | '@type': 'sc:Boolean', | |
48 | '@id': 'pt:permanentLive' | |
49 | }, | |
50 | ||
51 | Infohash: 'pt:Infohash', | |
52 | Playlist: 'pt:Playlist', | |
53 | PlaylistElement: 'pt:PlaylistElement', | |
54 | ||
55 | originallyPublishedAt: 'sc:datePublished', | |
56 | views: { | |
57 | '@type': 'sc:Number', | |
58 | '@id': 'pt:views' | |
59 | }, | |
60 | state: { | |
61 | '@type': 'sc:Number', | |
62 | '@id': 'pt:state' | |
63 | }, | |
64 | size: { | |
65 | '@type': 'sc:Number', | |
66 | '@id': 'pt:size' | |
67 | }, | |
68 | fps: { | |
69 | '@type': 'sc:Number', | |
70 | '@id': 'pt:fps' | |
71 | }, | |
72 | startTimestamp: { | |
73 | '@type': 'sc:Number', | |
74 | '@id': 'pt:startTimestamp' | |
75 | }, | |
76 | stopTimestamp: { | |
77 | '@type': 'sc:Number', | |
78 | '@id': 'pt:stopTimestamp' | |
79 | }, | |
80 | position: { | |
81 | '@type': 'sc:Number', | |
82 | '@id': 'pt:position' | |
83 | }, | |
84 | commentsEnabled: { | |
85 | '@type': 'sc:Boolean', | |
86 | '@id': 'pt:commentsEnabled' | |
87 | }, | |
88 | downloadEnabled: { | |
89 | '@type': 'sc:Boolean', | |
90 | '@id': 'pt:downloadEnabled' | |
91 | }, | |
92 | waitTranscoding: { | |
93 | '@type': 'sc:Boolean', | |
94 | '@id': 'pt:waitTranscoding' | |
95 | }, | |
96 | support: { | |
97 | '@type': 'sc:Text', | |
98 | '@id': 'pt:support' | |
99 | }, | |
100 | likes: { | |
101 | '@id': 'as:likes', | |
102 | '@type': '@id' | |
103 | }, | |
104 | dislikes: { | |
105 | '@id': 'as:dislikes', | |
106 | '@type': '@id' | |
107 | }, | |
108 | playlists: { | |
109 | '@id': 'pt:playlists', | |
110 | '@type': '@id' | |
111 | }, | |
112 | shares: { | |
113 | '@id': 'as:shares', | |
114 | '@type': '@id' | |
115 | }, | |
116 | comments: { | |
117 | '@id': 'as:comments', | |
118 | '@type': '@id' | |
119 | } | |
120 | }) | |
121 | } | |
122 | ||
123 | context.push(additional) | |
124 | } | |
125 | ||
126 | return { | |
127 | '@context': context | |
128 | } | |
129 | } | |
130 | ||
131 | function activityPubContextify <T> (data: T, type: ContextType = 'All') { | |
132 | return Object.assign({}, data, getContextData(type)) | |
133 | } | |
134 | ||
135 | type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird<ResultList<any>> | Promise<ResultList<any>> | |
136 | async function activityPubCollectionPagination ( | |
137 | baseUrl: string, | |
138 | handler: ActivityPubCollectionPaginationHandler, | |
139 | page?: any, | |
140 | size = ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE | |
141 | ) { | |
142 | if (!page || !validator.isInt(page)) { | |
143 | // We just display the first page URL, we only need the total items | |
144 | const result = await handler(0, 1) | |
145 | ||
146 | return { | |
147 | id: baseUrl, | |
148 | type: 'OrderedCollectionPage', | |
149 | totalItems: result.total, | |
150 | first: baseUrl + '?page=1' | |
151 | } | |
152 | } | |
153 | ||
154 | const { start, count } = pageToStartAndCount(page, size) | |
155 | const result = await handler(start, count) | |
156 | ||
157 | let next: string | undefined | |
158 | let prev: string | undefined | |
159 | ||
160 | // Assert page is a number | |
161 | page = parseInt(page, 10) | |
162 | ||
163 | // There are more results | |
164 | if (result.total > page * size) { | |
165 | next = baseUrl + '?page=' + (page + 1) | |
166 | } | |
167 | ||
168 | if (page > 1) { | |
169 | prev = baseUrl + '?page=' + (page - 1) | |
170 | } | |
171 | ||
172 | return { | |
173 | id: baseUrl + '?page=' + page, | |
174 | type: 'OrderedCollectionPage', | |
175 | prev, | |
176 | next, | |
177 | partOf: baseUrl, | |
178 | orderedItems: result.data, | |
179 | totalItems: result.total | |
180 | } | |
181 | ||
182 | } | |
183 | ||
184 | function buildSignedActivity <T> (byActor: MActor, data: T, contextType?: ContextType) { | |
185 | const activity = activityPubContextify(data, contextType) | |
186 | ||
187 | return signJsonLDObject(byActor, activity) | |
188 | } | |
189 | ||
190 | function getAPId (object: string | { id: string }) { | |
191 | if (typeof object === 'string') return object | |
192 | ||
193 | return object.id | |
194 | } | |
195 | ||
196 | function checkUrlsSameHost (url1: string, url2: string) { | |
197 | const idHost = new URL(url1).host | |
198 | const actorHost = new URL(url2).host | |
199 | ||
200 | return idHost && actorHost && idHost.toLowerCase() === actorHost.toLowerCase() | |
201 | } | |
202 | ||
203 | function buildRemoteVideoBaseUrl (video: MVideoWithHost, path: string, scheme?: string) { | |
204 | if (!scheme) scheme = REMOTE_SCHEME.HTTP | |
205 | ||
206 | const host = video.VideoChannel.Actor.Server.host | |
207 | ||
208 | return scheme + '://' + host + path | |
209 | } | |
210 | ||
211 | // --------------------------------------------------------------------------- | |
212 | ||
213 | export { | |
214 | checkUrlsSameHost, | |
215 | getAPId, | |
216 | activityPubContextify, | |
217 | activityPubCollectionPagination, | |
218 | buildSignedActivity, | |
219 | buildRemoteVideoBaseUrl | |
220 | } |