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import * as Bluebird from 'bluebird'
import validator from 'validator'
import { ResultList } from '../../shared/models'
import { Activity } from '../../shared/models/activitypub'
import { ACTIVITY_PUB, REMOTE_SCHEME } from '../initializers/constants'
import { signJsonLDObject } from './peertube-crypto'
import { pageToStartAndCount } from './core-utils'
import { URL } from 'url'
import { MActor, MVideoAccountLight } from '../typings/models'
function activityPubContextify <T> (data: T) {
return Object.assign(data, {
'@context': [
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
{
RsaSignature2017: 'https://w3id.org/security#RsaSignature2017',
pt: 'https://joinpeertube.org/ns#',
sc: 'http://schema.org#',
Hashtag: 'as:Hashtag',
uuid: 'sc:identifier',
category: 'sc:category',
licence: 'sc:license',
subtitleLanguage: 'sc:subtitleLanguage',
sensitive: 'as:sensitive',
language: 'sc:inLanguage',
expires: 'sc:expires',
CacheFile: 'pt:CacheFile',
Infohash: 'pt:Infohash',
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'
}
}
]
})
}
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) {
const activity = activityPubContextify(data)
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: MVideoAccountLight, path: string) {
const host = video.VideoChannel.Account.Actor.Server.host
return REMOTE_SCHEME.HTTP + '://' + host + path
}
// ---------------------------------------------------------------------------
export {
checkUrlsSameHost,
getAPId,
activityPubContextify,
activityPubCollectionPagination,
buildSignedActivity,
buildRemoteVideoBaseUrl
}
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