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1 | import './embed.scss' | |
2 | ||
3 | import { | |
4 | peertubeTranslate, | |
5 | ResultList, | |
6 | ServerConfig, | |
7 | VideoDetails | |
8 | } from '../../../../shared' | |
9 | import { VideoCaption } from '../../../../shared/models/videos/caption/video-caption.model' | |
10 | import { | |
11 | P2PMediaLoaderOptions, | |
12 | PeertubePlayerManagerOptions, | |
13 | PlayerMode | |
14 | } from '../../assets/player/peertube-player-manager' | |
15 | import { VideoStreamingPlaylistType } from '../../../../shared/models/videos/video-streaming-playlist.type' | |
16 | import { PeerTubeEmbedApi } from './embed-api' | |
17 | import { TranslationsManager } from '../../assets/player/translations-manager' | |
18 | import { VideoJsPlayer } from 'video.js' | |
19 | import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings' | |
20 | ||
21 | type Translations = { [ id: string ]: string } | |
22 | ||
23 | export class PeerTubeEmbed { | |
24 | videoElement: HTMLVideoElement | |
25 | player: VideoJsPlayer | |
26 | api: PeerTubeEmbedApi = null | |
27 | autoplay: boolean | |
28 | controls: boolean | |
29 | muted: boolean | |
30 | loop: boolean | |
31 | subtitle: string | |
32 | enableApi = false | |
33 | startTime: number | string = 0 | |
34 | stopTime: number | string | |
35 | ||
36 | title: boolean | |
37 | warningTitle: boolean | |
38 | bigPlayBackgroundColor: string | |
39 | foregroundColor: string | |
40 | ||
41 | mode: PlayerMode | |
42 | scope = 'peertube' | |
43 | ||
44 | static async main () { | |
45 | const videoContainerId = 'video-container' | |
46 | const embed = new PeerTubeEmbed(videoContainerId) | |
47 | await embed.init() | |
48 | } | |
49 | ||
50 | constructor (private videoContainerId: string) { | |
51 | this.videoElement = document.getElementById(videoContainerId) as HTMLVideoElement | |
52 | } | |
53 | ||
54 | getVideoUrl (id: string) { | |
55 | return window.location.origin + '/api/v1/videos/' + id | |
56 | } | |
57 | ||
58 | loadVideoInfo (videoId: string): Promise<Response> { | |
59 | return fetch(this.getVideoUrl(videoId)) | |
60 | } | |
61 | ||
62 | loadVideoCaptions (videoId: string): Promise<Response> { | |
63 | return fetch(this.getVideoUrl(videoId) + '/captions') | |
64 | } | |
65 | ||
66 | loadConfig (): Promise<Response> { | |
67 | return fetch('/api/v1/config') | |
68 | } | |
69 | ||
70 | removeElement (element: HTMLElement) { | |
71 | element.parentElement.removeChild(element) | |
72 | } | |
73 | ||
74 | displayError (text: string, translations?: Translations) { | |
75 | // Remove video element | |
76 | if (this.videoElement) this.removeElement(this.videoElement) | |
77 | ||
78 | const translatedText = peertubeTranslate(text, translations) | |
79 | const translatedSorry = peertubeTranslate('Sorry', translations) | |
80 | ||
81 | document.title = translatedSorry + ' - ' + translatedText | |
82 | ||
83 | const errorBlock = document.getElementById('error-block') | |
84 | errorBlock.style.display = 'flex' | |
85 | ||
86 | const errorTitle = document.getElementById('error-title') | |
87 | errorTitle.innerHTML = peertubeTranslate('Sorry', translations) | |
88 | ||
89 | const errorText = document.getElementById('error-content') | |
90 | errorText.innerHTML = translatedText | |
91 | } | |
92 | ||
93 | videoNotFound (translations?: Translations) { | |
94 | const text = 'This video does not exist.' | |
95 | this.displayError(text, translations) | |
96 | } | |
97 | ||
98 | videoFetchError (translations?: Translations) { | |
99 | const text = 'We cannot fetch the video. Please try again later.' | |
100 | this.displayError(text, translations) | |
101 | } | |
102 | ||
103 | getParamToggle (params: URLSearchParams, name: string, defaultValue?: boolean) { | |
104 | return params.has(name) ? (params.get(name) === '1' || params.get(name) === 'true') : defaultValue | |
105 | } | |
106 | ||
107 | getParamString (params: URLSearchParams, name: string, defaultValue?: string) { | |
108 | return params.has(name) ? params.get(name) : defaultValue | |
109 | } | |
110 | ||
111 | async init () { | |
112 | try { | |
113 | await this.initCore() | |
114 | } catch (e) { | |
115 | console.error(e) | |
116 | } | |
117 | } | |
118 | ||
119 | private initializeApi () { | |
120 | if (!this.enableApi) return | |
121 | ||
122 | this.api = new PeerTubeEmbedApi(this) | |
123 | this.api.initialize() | |
124 | } | |
125 | ||
126 | private loadParams (video: VideoDetails) { | |
127 | try { | |
128 | const params = new URL(window.location.toString()).searchParams | |
129 | ||
130 | this.autoplay = this.getParamToggle(params, 'autoplay', false) | |
131 | this.controls = this.getParamToggle(params, 'controls', true) | |
132 | this.muted = this.getParamToggle(params, 'muted', false) | |
133 | this.loop = this.getParamToggle(params, 'loop', false) | |
134 | this.title = this.getParamToggle(params, 'title', true) | |
135 | this.enableApi = this.getParamToggle(params, 'api', this.enableApi) | |
136 | this.warningTitle = this.getParamToggle(params, 'warningTitle', true) | |
137 | ||
138 | this.scope = this.getParamString(params, 'scope', this.scope) | |
139 | this.subtitle = this.getParamString(params, 'subtitle') | |
140 | this.startTime = this.getParamString(params, 'start') | |
141 | this.stopTime = this.getParamString(params, 'stop') | |
142 | ||
143 | this.bigPlayBackgroundColor = this.getParamString(params, 'bigPlayBackgroundColor') | |
144 | this.foregroundColor = this.getParamString(params, 'foregroundColor') | |
145 | ||
146 | const modeParam = this.getParamString(params, 'mode') | |
147 | ||
148 | if (modeParam) { | |
149 | if (modeParam === 'p2p-media-loader') this.mode = 'p2p-media-loader' | |
150 | else this.mode = 'webtorrent' | |
151 | } else { | |
152 | if (Array.isArray(video.streamingPlaylists) && video.streamingPlaylists.length !== 0) this.mode = 'p2p-media-loader' | |
153 | else this.mode = 'webtorrent' | |
154 | } | |
155 | } catch (err) { | |
156 | console.error('Cannot get params from URL.', err) | |
157 | } | |
158 | } | |
159 | ||
160 | private async initCore () { | |
161 | const urlParts = window.location.pathname.split('/') | |
162 | const videoId = urlParts[ urlParts.length - 1 ] | |
163 | ||
164 | const videoPromise = this.loadVideoInfo(videoId) | |
165 | const captionsPromise = this.loadVideoCaptions(videoId) | |
166 | const configPromise = this.loadConfig() | |
167 | ||
168 | const translationsPromise = TranslationsManager.getServerTranslations(window.location.origin, navigator.language) | |
169 | const videoResponse = await videoPromise | |
170 | ||
171 | if (!videoResponse.ok) { | |
172 | const serverTranslations = await translationsPromise | |
173 | ||
174 | if (videoResponse.status === 404) return this.videoNotFound(serverTranslations) | |
175 | ||
176 | return this.videoFetchError(serverTranslations) | |
177 | } | |
178 | ||
179 | const videoInfo: VideoDetails = await videoResponse.json() | |
180 | this.loadPlaceholder(videoInfo) | |
181 | ||
182 | const PeertubePlayerManagerModulePromise = import('../../assets/player/peertube-player-manager') | |
183 | ||
184 | const promises = [ translationsPromise, captionsPromise, configPromise, PeertubePlayerManagerModulePromise ] | |
185 | const [ serverTranslations, captionsResponse, configResponse, PeertubePlayerManagerModule ] = await Promise.all(promises) | |
186 | ||
187 | const PeertubePlayerManager = PeertubePlayerManagerModule.PeertubePlayerManager | |
188 | const videoCaptions = await this.buildCaptions(serverTranslations, captionsResponse) | |
189 | ||
190 | this.loadParams(videoInfo) | |
191 | ||
192 | const options: PeertubePlayerManagerOptions = { | |
193 | common: { | |
194 | autoplay: this.autoplay, | |
195 | controls: this.controls, | |
196 | muted: this.muted, | |
197 | loop: this.loop, | |
198 | captions: videoCaptions.length !== 0, | |
199 | startTime: this.startTime, | |
200 | stopTime: this.stopTime, | |
201 | subtitle: this.subtitle, | |
202 | ||
203 | videoCaptions, | |
204 | inactivityTimeout: 1500, | |
205 | videoViewUrl: this.getVideoUrl(videoId) + '/views', | |
206 | ||
207 | playerElement: this.videoElement, | |
208 | onPlayerElementChange: (element: HTMLVideoElement) => this.videoElement = element, | |
209 | ||
210 | videoDuration: videoInfo.duration, | |
211 | enableHotkeys: true, | |
212 | peertubeLink: true, | |
213 | poster: window.location.origin + videoInfo.previewPath, | |
214 | theaterButton: false, | |
215 | ||
216 | serverUrl: window.location.origin, | |
217 | language: navigator.language, | |
218 | embedUrl: window.location.origin + videoInfo.embedPath | |
219 | }, | |
220 | ||
221 | webtorrent: { | |
222 | videoFiles: videoInfo.files | |
223 | } | |
224 | } | |
225 | ||
226 | if (this.mode === 'p2p-media-loader') { | |
227 | const hlsPlaylist = videoInfo.streamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) | |
228 | ||
229 | Object.assign(options, { | |
230 | p2pMediaLoader: { | |
231 | playlistUrl: hlsPlaylist.playlistUrl, | |
232 | segmentsSha256Url: hlsPlaylist.segmentsSha256Url, | |
233 | redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl), | |
234 | trackerAnnounce: videoInfo.trackerUrls, | |
235 | videoFiles: hlsPlaylist.files | |
236 | } as P2PMediaLoaderOptions | |
237 | }) | |
238 | } | |
239 | ||
240 | this.player = await PeertubePlayerManager.initialize(this.mode, options, (player: VideoJsPlayer) => this.player = player) | |
241 | this.player.on('customError', (event: any, data: any) => this.handleError(data.err, serverTranslations)) | |
242 | ||
243 | window[ 'videojsPlayer' ] = this.player | |
244 | ||
245 | this.buildCSS() | |
246 | ||
247 | await this.buildDock(videoInfo, configResponse) | |
248 | ||
249 | this.initializeApi() | |
250 | ||
251 | this.removePlaceholder() | |
252 | } | |
253 | ||
254 | private handleError (err: Error, translations?: { [ id: string ]: string }) { | |
255 | if (err.message.indexOf('from xs param') !== -1) { | |
256 | this.player.dispose() | |
257 | this.videoElement = null | |
258 | this.displayError('This video is not available because the remote instance is not responding.', translations) | |
259 | return | |
260 | } | |
261 | } | |
262 | ||
263 | private async buildDock (videoInfo: VideoDetails, configResponse: Response) { | |
264 | if (!this.controls) return | |
265 | ||
266 | const title = this.title ? videoInfo.name : undefined | |
267 | ||
268 | const config: ServerConfig = await configResponse.json() | |
269 | const description = config.tracker.enabled && this.warningTitle | |
270 | ? '<span class="text">' + peertubeTranslate('Watching this video may reveal your IP address to others.') + '</span>' | |
271 | : undefined | |
272 | ||
273 | this.player.dock({ | |
274 | title, | |
275 | description | |
276 | }) | |
277 | } | |
278 | ||
279 | private buildCSS () { | |
280 | const body = document.getElementById('custom-css') | |
281 | ||
282 | if (this.bigPlayBackgroundColor) { | |
283 | body.style.setProperty('--embedBigPlayBackgroundColor', this.bigPlayBackgroundColor) | |
284 | } | |
285 | ||
286 | if (this.foregroundColor) { | |
287 | body.style.setProperty('--embedForegroundColor', this.foregroundColor) | |
288 | } | |
289 | } | |
290 | ||
291 | private async buildCaptions (serverTranslations: any, captionsResponse: Response): Promise<VideoJSCaption[]> { | |
292 | if (captionsResponse.ok) { | |
293 | const { data } = (await captionsResponse.json()) as ResultList<VideoCaption> | |
294 | ||
295 | return data.map(c => ({ | |
296 | label: peertubeTranslate(c.language.label, serverTranslations), | |
297 | language: c.language.id, | |
298 | src: window.location.origin + c.captionPath | |
299 | })) | |
300 | } | |
301 | ||
302 | return [] | |
303 | } | |
304 | ||
305 | private loadPlaceholder (video: VideoDetails) { | |
306 | const placeholder = this.getPlaceholderElement() | |
307 | ||
308 | const url = window.location.origin + video.previewPath | |
309 | placeholder.style.backgroundImage = `url("${url}")` | |
310 | } | |
311 | ||
312 | private removePlaceholder () { | |
313 | const placeholder = this.getPlaceholderElement() | |
314 | placeholder.parentElement.removeChild(placeholder) | |
315 | } | |
316 | ||
317 | private getPlaceholderElement () { | |
318 | return document.getElementById('placeholder-preview') | |
319 | } | |
320 | } | |
321 | ||
322 | PeerTubeEmbed.main() | |
323 | .catch(err => console.error('Cannot init embed.', err)) |