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