aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/services.ts
blob: 7c7ca1ff3668d8446a993f24dab35c041f289afa (plain) (blame)
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
import express from 'express'
import { MChannelSummary } from '@server/types/models'
import { escapeHTML } from '@shared/core-utils/renderer'
import { EMBED_SIZE, PREVIEWS_SIZE, THUMBNAILS_SIZE, WEBSERVER } from '../initializers/constants'
import { asyncMiddleware, oembedValidator } from '../middlewares'
import { accountNameWithHostGetValidator } from '../middlewares/validators'
import { forceNumber } from '@shared/core-utils'

const servicesRouter = express.Router()

servicesRouter.use('/oembed',
  asyncMiddleware(oembedValidator),
  generateOEmbed
)
servicesRouter.use('/redirect/accounts/:accountName',
  asyncMiddleware(accountNameWithHostGetValidator),
  redirectToAccountUrl
)

// ---------------------------------------------------------------------------

export {
  servicesRouter
}

// ---------------------------------------------------------------------------

function generateOEmbed (req: express.Request, res: express.Response) {
  if (res.locals.videoAll) return generateVideoOEmbed(req, res)

  return generatePlaylistOEmbed(req, res)
}

function generatePlaylistOEmbed (req: express.Request, res: express.Response) {
  const playlist = res.locals.videoPlaylistSummary

  const json = buildOEmbed({
    channel: playlist.VideoChannel,
    title: playlist.name,
    embedPath: playlist.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
    previewPath: playlist.getThumbnailStaticPath(),
    previewSize: THUMBNAILS_SIZE,
    req
  })

  return res.json(json)
}

function generateVideoOEmbed (req: express.Request, res: express.Response) {
  const video = res.locals.videoAll

  const json = buildOEmbed({
    channel: video.VideoChannel,
    title: video.name,
    embedPath: video.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
    previewPath: video.getPreviewStaticPath(),
    previewSize: PREVIEWS_SIZE,
    req
  })

  return res.json(json)
}

function buildPlayerURLQuery (inputQueryUrl: string) {
  const allowedParameters = new Set([
    'start',
    'stop',
    'loop',
    'autoplay',
    'muted',
    'controls',
    'controlBar',
    'title',
    'api',
    'warningTitle',
    'peertubeLink',
    'p2p',
    'subtitle',
    'bigPlayBackgroundColor',
    'mode',
    'foregroundColor'
  ])

  const params = new URLSearchParams()

  new URL(inputQueryUrl).searchParams.forEach((v, k) => {
    if (allowedParameters.has(k)) {
      params.append(k, v)
    }
  })

  const stringQuery = params.toString()
  if (!stringQuery) return ''

  return '?' + stringQuery
}

function buildOEmbed (options: {
  req: express.Request
  title: string
  channel: MChannelSummary
  previewPath: string | null
  embedPath: string
  previewSize: {
    height: number
    width: number
  }
}) {
  const { req, previewSize, previewPath, title, channel, embedPath } = options

  const webserverUrl = WEBSERVER.URL
  const maxHeight = forceNumber(req.query.maxheight)
  const maxWidth = forceNumber(req.query.maxwidth)

  const embedUrl = webserverUrl + embedPath
  const embedTitle = escapeHTML(title)

  let thumbnailUrl = previewPath
    ? webserverUrl + previewPath
    : undefined

  let embedWidth = EMBED_SIZE.width
  if (maxWidth < embedWidth) embedWidth = maxWidth

  let embedHeight = EMBED_SIZE.height
  if (maxHeight < embedHeight) embedHeight = maxHeight

  // Our thumbnail is too big for the consumer
  if (
    (maxHeight !== undefined && maxHeight < previewSize.height) ||
    (maxWidth !== undefined && maxWidth < previewSize.width)
  ) {
    thumbnailUrl = undefined
  }

  const html = `<iframe width="${embedWidth}" height="${embedHeight}" sandbox="allow-same-origin allow-scripts allow-popups" ` +
    `title="${embedTitle}" src="${embedUrl}" frameborder="0" allowfullscreen></iframe>`

  const json: any = {
    type: 'video',
    version: '1.0',
    html,
    width: embedWidth,
    height: embedHeight,
    title,
    author_name: channel.name,
    author_url: channel.Actor.url,
    provider_name: 'PeerTube',
    provider_url: webserverUrl
  }

  if (thumbnailUrl !== undefined) {
    json.thumbnail_url = thumbnailUrl
    json.thumbnail_width = previewSize.width
    json.thumbnail_height = previewSize.height
  }

  return json
}

function redirectToAccountUrl (req: express.Request, res: express.Response, next: express.NextFunction) {
  return res.redirect(res.locals.account.Actor.url)
}