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