]>
Commit | Line | Data |
---|---|---|
fbad87b0 | 1 | import { truncate } from 'lodash' |
ce33919c | 2 | import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES } from '../initializers' |
fbad87b0 | 3 | import { logger } from './logger' |
ce33919c | 4 | import { generateVideoTmpPath } from './utils' |
606c946e C |
5 | import { join } from 'path' |
6 | import { root } from './core-utils' | |
7 | import { ensureDir, writeFile } from 'fs-extra' | |
8 | import * as request from 'request' | |
9 | import { createWriteStream } from 'fs' | |
fbad87b0 C |
10 | |
11 | export type YoutubeDLInfo = { | |
ce33919c C |
12 | name?: string |
13 | description?: string | |
14 | category?: number | |
15 | licence?: number | |
16 | nsfw?: boolean | |
17 | tags?: string[] | |
18 | thumbnailUrl?: string | |
fbad87b0 C |
19 | } |
20 | ||
8704acf4 | 21 | function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> { |
4f1f6f03 | 22 | return new Promise<YoutubeDLInfo>(async (res, rej) => { |
8704acf4 | 23 | const options = opts || [ '-j', '--flat-playlist' ] |
fbad87b0 | 24 | |
4f1f6f03 | 25 | const youtubeDL = await safeGetYoutubeDL() |
fbad87b0 C |
26 | youtubeDL.getInfo(url, options, (err, info) => { |
27 | if (err) return rej(err) | |
1a893f9c | 28 | if (info.is_live === true) return rej(new Error('Cannot download a live streaming.')) |
fbad87b0 | 29 | |
5d112d0c C |
30 | const obj = buildVideoInfo(normalizeObject(info)) |
31 | if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video' | |
fbad87b0 | 32 | |
5d112d0c | 33 | return res(obj) |
fbad87b0 C |
34 | }) |
35 | }) | |
36 | } | |
37 | ||
38 | function downloadYoutubeDLVideo (url: string) { | |
ce33919c | 39 | const path = generateVideoTmpPath(url) |
fbad87b0 | 40 | |
ce33919c | 41 | logger.info('Importing youtubeDL video %s', url) |
fbad87b0 C |
42 | |
43 | const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] | |
44 | ||
4f1f6f03 C |
45 | return new Promise<string>(async (res, rej) => { |
46 | const youtubeDL = await safeGetYoutubeDL() | |
606c946e | 47 | youtubeDL.exec(url, options, err => { |
fbad87b0 C |
48 | if (err) return rej(err) |
49 | ||
50 | return res(path) | |
51 | }) | |
52 | }) | |
53 | } | |
54 | ||
606c946e C |
55 | // Thanks: https://github.com/przemyslawpluta/node-youtube-dl/blob/master/lib/downloader.js |
56 | // We rewrote it to avoid sync calls | |
57 | async function updateYoutubeDLBinary () { | |
58 | logger.info('Updating youtubeDL binary.') | |
59 | ||
60 | const binDirectory = join(root(), 'node_modules', 'youtube-dl', 'bin') | |
61 | const bin = join(binDirectory, 'youtube-dl') | |
62 | const detailsPath = join(binDirectory, 'details') | |
63 | const url = 'https://yt-dl.org/downloads/latest/youtube-dl' | |
64 | ||
65 | await ensureDir(binDirectory) | |
66 | ||
67 | return new Promise(res => { | |
68 | request.get(url, { followRedirect: false }, (err, result) => { | |
69 | if (err) { | |
70 | logger.error('Cannot update youtube-dl.', { err }) | |
71 | return res() | |
72 | } | |
73 | ||
74 | if (result.statusCode !== 302) { | |
75 | logger.error('youtube-dl update error: did not get redirect for the latest version link. Status %d', result.statusCode) | |
76 | return res() | |
77 | } | |
78 | ||
79 | const url = result.headers.location | |
80 | const downloadFile = request.get(url) | |
81 | const newVersion = /yt-dl\.org\/downloads\/(\d{4}\.\d\d\.\d\d(\.\d)?)\/youtube-dl/.exec(url)[ 1 ] | |
82 | ||
83 | downloadFile.on('response', result => { | |
84 | if (result.statusCode !== 200) { | |
85 | logger.error('Cannot update youtube-dl: new version response is not 200, it\'s %d.', result.statusCode) | |
86 | return res() | |
87 | } | |
88 | ||
89 | downloadFile.pipe(createWriteStream(bin, { mode: 493 })) | |
90 | }) | |
91 | ||
92 | downloadFile.on('error', err => { | |
93 | logger.error('youtube-dl update error.', { err }) | |
94 | return res() | |
95 | }) | |
96 | ||
97 | downloadFile.on('end', () => { | |
98 | const details = JSON.stringify({ version: newVersion, path: bin, exec: 'youtube-dl' }) | |
99 | writeFile(detailsPath, details, { encoding: 'utf8' }, err => { | |
100 | if (err) { | |
101 | logger.error('youtube-dl update error: cannot write details.', { err }) | |
102 | return res() | |
103 | } | |
104 | ||
105 | logger.info('youtube-dl updated to version %s.', newVersion) | |
106 | return res() | |
107 | }) | |
108 | }) | |
109 | }) | |
110 | }) | |
111 | } | |
112 | ||
4f1f6f03 C |
113 | async function safeGetYoutubeDL () { |
114 | let youtubeDL | |
115 | ||
116 | try { | |
117 | youtubeDL = require('youtube-dl') | |
118 | } catch (e) { | |
119 | // Download binary | |
606c946e | 120 | await updateYoutubeDLBinary() |
4f1f6f03 C |
121 | youtubeDL = require('youtube-dl') |
122 | } | |
123 | ||
124 | return youtubeDL | |
125 | } | |
126 | ||
8704acf4 RK |
127 | // --------------------------------------------------------------------------- |
128 | ||
129 | export { | |
0491173a | 130 | updateYoutubeDLBinary, |
8704acf4 RK |
131 | downloadYoutubeDLVideo, |
132 | getYoutubeDLInfo, | |
133 | safeGetYoutubeDL | |
134 | } | |
135 | ||
136 | // --------------------------------------------------------------------------- | |
137 | ||
fbad87b0 C |
138 | function normalizeObject (obj: any) { |
139 | const newObj: any = {} | |
140 | ||
141 | for (const key of Object.keys(obj)) { | |
142 | // Deprecated key | |
143 | if (key === 'resolution') continue | |
144 | ||
145 | const value = obj[key] | |
146 | ||
147 | if (typeof value === 'string') { | |
148 | newObj[key] = value.normalize() | |
149 | } else { | |
150 | newObj[key] = value | |
151 | } | |
152 | } | |
153 | ||
154 | return newObj | |
155 | } | |
156 | ||
157 | function buildVideoInfo (obj: any) { | |
158 | return { | |
159 | name: titleTruncation(obj.title), | |
160 | description: descriptionTruncation(obj.description), | |
161 | category: getCategory(obj.categories), | |
162 | licence: getLicence(obj.license), | |
163 | nsfw: isNSFW(obj), | |
164 | tags: getTags(obj.tags), | |
165 | thumbnailUrl: obj.thumbnail || undefined | |
166 | } | |
167 | } | |
168 | ||
169 | function titleTruncation (title: string) { | |
170 | return truncate(title, { | |
171 | 'length': CONSTRAINTS_FIELDS.VIDEOS.NAME.max, | |
172 | 'separator': /,? +/, | |
173 | 'omission': ' […]' | |
174 | }) | |
175 | } | |
176 | ||
177 | function descriptionTruncation (description: string) { | |
ed31c059 | 178 | if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined |
fbad87b0 C |
179 | |
180 | return truncate(description, { | |
181 | 'length': CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, | |
182 | 'separator': /,? +/, | |
183 | 'omission': ' […]' | |
184 | }) | |
185 | } | |
186 | ||
187 | function isNSFW (info: any) { | |
188 | return info.age_limit && info.age_limit >= 16 | |
189 | } | |
190 | ||
191 | function getTags (tags: any) { | |
192 | if (Array.isArray(tags) === false) return [] | |
193 | ||
194 | return tags | |
195 | .filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min) | |
196 | .map(t => t.normalize()) | |
197 | .slice(0, 5) | |
198 | } | |
199 | ||
200 | function getLicence (licence: string) { | |
201 | if (!licence) return undefined | |
202 | ||
590fb506 | 203 | if (licence.indexOf('Creative Commons Attribution') !== -1) return 1 |
fbad87b0 C |
204 | |
205 | return undefined | |
206 | } | |
207 | ||
208 | function getCategory (categories: string[]) { | |
209 | if (!categories) return undefined | |
210 | ||
211 | const categoryString = categories[0] | |
212 | if (!categoryString || typeof categoryString !== 'string') return undefined | |
213 | ||
214 | if (categoryString === 'News & Politics') return 11 | |
215 | ||
216 | for (const key of Object.keys(VIDEO_CATEGORIES)) { | |
217 | const category = VIDEO_CATEGORIES[key] | |
218 | if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10) | |
219 | } | |
220 | ||
221 | return undefined | |
222 | } |