PeerTube/server/models/video/video-format-utils.ts

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import { Video, VideoDetails } from '../../../shared/models/videos'
import { VideoModel } from './video'
import { ActivityTagObject, ActivityUrlObject, VideoTorrentObject } from '../../../shared/models/activitypub/objects'
import { MIMETYPES, WEBSERVER } from '../../initializers/constants'
import { VideoCaptionModel } from './video-caption'
import {
getVideoCommentsActivityPubUrl,
getVideoDislikesActivityPubUrl,
getVideoLikesActivityPubUrl,
getVideoSharesActivityPubUrl
} from '../../lib/activitypub'
import { isArray } from '../../helpers/custom-validators/misc'
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import { VideoStreamingPlaylist } from '../../../shared/models/videos/video-streaming-playlist.model'
import {
MStreamingPlaylistRedundanciesOpt,
MStreamingPlaylistVideo,
MVideo,
MVideoAP,
MVideoFile,
MVideoFormattable,
MVideoFormattableDetails
} from '../../typings/models'
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import { MVideoFileRedundanciesOpt } from '../../typings/models/video/video-file'
import { VideoFile } from '@shared/models/videos/video-file.model'
import { generateMagnetUri } from '@server/helpers/webtorrent'
import { extractVideo } from '@server/lib/videos'
export type VideoFormattingJSONOptions = {
completeDescription?: boolean
additionalAttributes: {
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state?: boolean
waitTranscoding?: boolean
scheduledUpdate?: boolean
blacklistInfo?: boolean
}
}
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function videoModelToFormattedJSON (video: MVideoFormattable, options?: VideoFormattingJSONOptions): Video {
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const userHistory = isArray(video.UserVideoHistories) ? video.UserVideoHistories[0] : undefined
const videoObject: Video = {
id: video.id,
uuid: video.uuid,
name: video.name,
category: {
id: video.category,
label: VideoModel.getCategoryLabel(video.category)
},
licence: {
id: video.licence,
label: VideoModel.getLicenceLabel(video.licence)
},
language: {
id: video.language,
label: VideoModel.getLanguageLabel(video.language)
},
privacy: {
id: video.privacy,
label: VideoModel.getPrivacyLabel(video.privacy)
},
nsfw: video.nsfw,
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description: options && options.completeDescription === true ? video.description : video.getTruncatedDescription(),
isLocal: video.isOwned(),
duration: video.duration,
views: video.views,
likes: video.likes,
dislikes: video.dislikes,
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thumbnailPath: video.getMiniatureStaticPath(),
previewPath: video.getPreviewStaticPath(),
embedPath: video.getEmbedStaticPath(),
createdAt: video.createdAt,
updatedAt: video.updatedAt,
publishedAt: video.publishedAt,
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originallyPublishedAt: video.originallyPublishedAt,
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account: video.VideoChannel.Account.toFormattedSummaryJSON(),
channel: video.VideoChannel.toFormattedSummaryJSON(),
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userHistory: userHistory ? {
currentTime: userHistory.currentTime
} : undefined
}
if (options) {
if (options.additionalAttributes.state === true) {
videoObject.state = {
id: video.state,
label: VideoModel.getStateLabel(video.state)
}
}
if (options.additionalAttributes.waitTranscoding === true) {
videoObject.waitTranscoding = video.waitTranscoding
}
if (options.additionalAttributes.scheduledUpdate === true && video.ScheduleVideoUpdate) {
videoObject.scheduledUpdate = {
updateAt: video.ScheduleVideoUpdate.updateAt,
privacy: video.ScheduleVideoUpdate.privacy || undefined
}
}
if (options.additionalAttributes.blacklistInfo === true) {
videoObject.blacklisted = !!video.VideoBlacklist
videoObject.blacklistedReason = video.VideoBlacklist ? video.VideoBlacklist.reason : null
}
}
return videoObject
}
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function videoModelToFormattedDetailsJSON (video: MVideoFormattableDetails): VideoDetails {
const formattedJson = video.toFormattedJSON({
additionalAttributes: {
scheduledUpdate: true,
blacklistInfo: true
}
})
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const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
const tags = video.Tags ? video.Tags.map(t => t.name) : []
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const streamingPlaylists = streamingPlaylistsModelToFormattedJSON(video, video.VideoStreamingPlaylists)
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const detailsJson = {
support: video.support,
descriptionPath: video.getDescriptionAPIPath(),
channel: video.VideoChannel.toFormattedJSON(),
account: video.VideoChannel.Account.toFormattedJSON(),
tags,
commentsEnabled: video.commentsEnabled,
downloadEnabled: video.downloadEnabled,
waitTranscoding: video.waitTranscoding,
state: {
id: video.state,
label: VideoModel.getStateLabel(video.state)
},
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trackerUrls: video.getTrackerUrls(baseUrlHttp, baseUrlWs),
files: [],
streamingPlaylists
}
// Format and sort video files
detailsJson.files = videoFilesModelToFormattedJSON(video, baseUrlHttp, baseUrlWs, video.VideoFiles)
return Object.assign(formattedJson, detailsJson)
}
function streamingPlaylistsModelToFormattedJSON (video: MVideo, playlists: MStreamingPlaylistRedundanciesOpt[]): VideoStreamingPlaylist[] {
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if (isArray(playlists) === false) return []
const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
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return playlists
.map(playlist => {
const playlistWithVideo = Object.assign(playlist, { Video: video })
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const redundancies = isArray(playlist.RedundancyVideos)
? playlist.RedundancyVideos.map(r => ({ baseUrl: r.fileUrl }))
: []
const files = videoFilesModelToFormattedJSON(playlistWithVideo, baseUrlHttp, baseUrlWs, playlist.VideoFiles)
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return {
id: playlist.id,
type: playlist.type,
playlistUrl: playlist.playlistUrl,
segmentsSha256Url: playlist.segmentsSha256Url,
redundancies,
files
}
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})
}
function videoFilesModelToFormattedJSON (
model: MVideo | MStreamingPlaylistVideo,
baseUrlHttp: string,
baseUrlWs: string,
videoFiles: MVideoFileRedundanciesOpt[]
): VideoFile[] {
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const video = extractVideo(model)
return videoFiles
.map(videoFile => {
return {
resolution: {
id: videoFile.resolution,
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label: videoFile.resolution + 'p'
},
magnetUri: generateMagnetUri(model, videoFile, baseUrlHttp, baseUrlWs),
size: videoFile.size,
fps: videoFile.fps,
torrentUrl: model.getTorrentUrl(videoFile, baseUrlHttp),
torrentDownloadUrl: model.getTorrentDownloadUrl(videoFile, baseUrlHttp),
fileUrl: model.getVideoFileUrl(videoFile, baseUrlHttp),
fileDownloadUrl: model.getVideoFileDownloadUrl(videoFile, baseUrlHttp),
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metadataUrl: video.getVideoFileMetadataUrl(videoFile, baseUrlHttp)
} as VideoFile
})
.sort((a, b) => {
if (a.resolution.id < b.resolution.id) return 1
if (a.resolution.id === b.resolution.id) return 0
return -1
})
}
function addVideoFilesInAPAcc (
acc: ActivityUrlObject[] | ActivityTagObject[],
model: MVideoAP | MStreamingPlaylistVideo,
baseUrlHttp: string,
baseUrlWs: string,
files: MVideoFile[]
) {
for (const file of files) {
acc.push({
type: 'Link',
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mediaType: MIMETYPES.VIDEO.EXT_MIMETYPE[file.extname] as any,
href: model.getVideoFileUrl(file, baseUrlHttp),
height: file.resolution,
size: file.size,
fps: file.fps
})
acc.push({
type: 'Link',
rel: [ 'metadata', MIMETYPES.VIDEO.EXT_MIMETYPE[file.extname] ],
mediaType: 'application/json' as 'application/json',
href: extractVideo(model).getVideoFileMetadataUrl(file, baseUrlHttp),
height: file.resolution,
fps: file.fps
})
acc.push({
type: 'Link',
mediaType: 'application/x-bittorrent' as 'application/x-bittorrent',
href: model.getTorrentUrl(file, baseUrlHttp),
height: file.resolution
})
acc.push({
type: 'Link',
mediaType: 'application/x-bittorrent;x-scheme-handler/magnet' as 'application/x-bittorrent;x-scheme-handler/magnet',
href: generateMagnetUri(model, file, baseUrlHttp, baseUrlWs),
height: file.resolution
})
}
}
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function videoModelToActivityPubObject (video: MVideoAP): VideoTorrentObject {
const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
if (!video.Tags) video.Tags = []
const tag = video.Tags.map(t => ({
type: 'Hashtag' as 'Hashtag',
name: t.name
}))
let language
if (video.language) {
language = {
identifier: video.language,
name: VideoModel.getLanguageLabel(video.language)
}
}
let category
if (video.category) {
category = {
identifier: video.category + '',
name: VideoModel.getCategoryLabel(video.category)
}
}
let licence
if (video.licence) {
licence = {
identifier: video.licence + '',
name: VideoModel.getLicenceLabel(video.licence)
}
}
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const url: ActivityUrlObject[] = [
// HTML url should be the first element in the array so Mastodon correctly displays the embed
{
type: 'Link',
mediaType: 'text/html',
href: WEBSERVER.URL + '/videos/watch/' + video.uuid
}
]
addVideoFilesInAPAcc(url, video, baseUrlHttp, baseUrlWs, video.VideoFiles || [])
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for (const playlist of (video.VideoStreamingPlaylists || [])) {
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const tag = playlist.p2pMediaLoaderInfohashes
.map(i => ({ type: 'Infohash' as 'Infohash', name: i })) as ActivityTagObject[]
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tag.push({
type: 'Link',
name: 'sha256',
mediaType: 'application/json' as 'application/json',
href: playlist.segmentsSha256Url
})
const playlistWithVideo = Object.assign(playlist, { Video: video })
addVideoFilesInAPAcc(tag, playlistWithVideo, baseUrlHttp, baseUrlWs, playlist.VideoFiles || [])
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url.push({
type: 'Link',
mediaType: 'application/x-mpegURL' as 'application/x-mpegURL',
href: playlist.playlistUrl,
tag
})
}
const subtitleLanguage = []
for (const caption of video.VideoCaptions) {
subtitleLanguage.push({
identifier: caption.language,
name: VideoCaptionModel.getLanguageLabel(caption.language),
url: caption.getFileUrl(video)
})
}
const icons = [ video.getMiniature(), video.getPreview() ]
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return {
type: 'Video' as 'Video',
id: video.url,
name: video.name,
duration: getActivityStreamDuration(video.duration),
uuid: video.uuid,
tag,
category,
licence,
language,
views: video.views,
sensitive: video.nsfw,
waitTranscoding: video.waitTranscoding,
state: video.state,
commentsEnabled: video.commentsEnabled,
downloadEnabled: video.downloadEnabled,
published: video.publishedAt.toISOString(),
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originallyPublishedAt: video.originallyPublishedAt ? video.originallyPublishedAt.toISOString() : null,
updated: video.updatedAt.toISOString(),
mediaType: 'text/markdown',
content: video.getTruncatedDescription(),
support: video.support,
subtitleLanguage,
icon: icons.map(i => ({
type: 'Image',
url: i.getFileUrl(video),
mediaType: 'image/jpeg',
width: i.width,
height: i.height
})),
url,
likes: getVideoLikesActivityPubUrl(video),
dislikes: getVideoDislikesActivityPubUrl(video),
shares: getVideoSharesActivityPubUrl(video),
comments: getVideoCommentsActivityPubUrl(video),
attributedTo: [
{
type: 'Person',
id: video.VideoChannel.Account.Actor.url
},
{
type: 'Group',
id: video.VideoChannel.Actor.url
}
]
}
}
function getActivityStreamDuration (duration: number) {
// https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
return 'PT' + duration + 'S'
}
export {
videoModelToFormattedJSON,
videoModelToFormattedDetailsJSON,
videoFilesModelToFormattedJSON,
videoModelToActivityPubObject,
getActivityStreamDuration
}