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Commit | Line | Data |
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fbad87b0 | 1 | import { truncate } from 'lodash' |
ce33919c | 2 | import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES } from '../initializers' |
fbad87b0 | 3 | import { logger } from './logger' |
6040f87d | 4 | import { generateVideoImportTmpPath } from './utils' |
606c946e C |
5 | import { join } from 'path' |
6 | import { root } from './core-utils' | |
cf9166cf | 7 | import { ensureDir, writeFile, remove } from 'fs-extra' |
606c946e C |
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 | |
c74c9be9 | 19 | originallyPublishedAt?: Date |
fbad87b0 C |
20 | } |
21 | ||
cc680494 C |
22 | const processOptions = { |
23 | maxBuffer: 1024 * 1024 * 10 // 10MB | |
24 | } | |
25 | ||
8704acf4 | 26 | function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> { |
4f1f6f03 | 27 | return new Promise<YoutubeDLInfo>(async (res, rej) => { |
9fa0ea41 | 28 | const args = opts || [ '-j', '--flat-playlist' ] |
fbad87b0 | 29 | |
4f1f6f03 | 30 | const youtubeDL = await safeGetYoutubeDL() |
9fa0ea41 | 31 | youtubeDL.getInfo(url, args, processOptions, (err, info) => { |
fbad87b0 | 32 | if (err) return rej(err) |
1a893f9c | 33 | if (info.is_live === true) return rej(new Error('Cannot download a live streaming.')) |
fbad87b0 | 34 | |
5d112d0c C |
35 | const obj = buildVideoInfo(normalizeObject(info)) |
36 | if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video' | |
fbad87b0 | 37 | |
5d112d0c | 38 | return res(obj) |
fbad87b0 C |
39 | }) |
40 | }) | |
41 | } | |
42 | ||
cf9166cf | 43 | function downloadYoutubeDLVideo (url: string, timeout: number) { |
6040f87d | 44 | const path = generateVideoImportTmpPath(url) |
cf9166cf | 45 | let timer |
fbad87b0 | 46 | |
ce33919c | 47 | logger.info('Importing youtubeDL video %s', url) |
fbad87b0 C |
48 | |
49 | const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] | |
50 | ||
4f1f6f03 C |
51 | return new Promise<string>(async (res, rej) => { |
52 | const youtubeDL = await safeGetYoutubeDL() | |
cc680494 | 53 | youtubeDL.exec(url, options, processOptions, err => { |
cf9166cf C |
54 | clearTimeout(timer) |
55 | ||
56 | if (err) { | |
57 | remove(path) | |
58 | .catch(err => logger.error('Cannot delete path on YoutubeDL error.', { err })) | |
59 | ||
60 | return rej(err) | |
61 | } | |
fbad87b0 C |
62 | |
63 | return res(path) | |
64 | }) | |
cf9166cf C |
65 | |
66 | timer = setTimeout(async () => { | |
67 | await remove(path) | |
68 | ||
69 | return rej(new Error('YoutubeDL download timeout.')) | |
70 | }, timeout) | |
fbad87b0 C |
71 | }) |
72 | } | |
73 | ||
606c946e C |
74 | // Thanks: https://github.com/przemyslawpluta/node-youtube-dl/blob/master/lib/downloader.js |
75 | // We rewrote it to avoid sync calls | |
76 | async function updateYoutubeDLBinary () { | |
77 | logger.info('Updating youtubeDL binary.') | |
78 | ||
79 | const binDirectory = join(root(), 'node_modules', 'youtube-dl', 'bin') | |
80 | const bin = join(binDirectory, 'youtube-dl') | |
81 | const detailsPath = join(binDirectory, 'details') | |
82 | const url = 'https://yt-dl.org/downloads/latest/youtube-dl' | |
83 | ||
84 | await ensureDir(binDirectory) | |
85 | ||
86 | return new Promise(res => { | |
87 | request.get(url, { followRedirect: false }, (err, result) => { | |
88 | if (err) { | |
89 | logger.error('Cannot update youtube-dl.', { err }) | |
90 | return res() | |
91 | } | |
92 | ||
93 | if (result.statusCode !== 302) { | |
94 | logger.error('youtube-dl update error: did not get redirect for the latest version link. Status %d', result.statusCode) | |
95 | return res() | |
96 | } | |
97 | ||
98 | const url = result.headers.location | |
99 | const downloadFile = request.get(url) | |
100 | const newVersion = /yt-dl\.org\/downloads\/(\d{4}\.\d\d\.\d\d(\.\d)?)\/youtube-dl/.exec(url)[ 1 ] | |
101 | ||
102 | downloadFile.on('response', result => { | |
103 | if (result.statusCode !== 200) { | |
104 | logger.error('Cannot update youtube-dl: new version response is not 200, it\'s %d.', result.statusCode) | |
105 | return res() | |
106 | } | |
107 | ||
108 | downloadFile.pipe(createWriteStream(bin, { mode: 493 })) | |
109 | }) | |
110 | ||
111 | downloadFile.on('error', err => { | |
112 | logger.error('youtube-dl update error.', { err }) | |
113 | return res() | |
114 | }) | |
115 | ||
116 | downloadFile.on('end', () => { | |
117 | const details = JSON.stringify({ version: newVersion, path: bin, exec: 'youtube-dl' }) | |
118 | writeFile(detailsPath, details, { encoding: 'utf8' }, err => { | |
119 | if (err) { | |
120 | logger.error('youtube-dl update error: cannot write details.', { err }) | |
121 | return res() | |
122 | } | |
123 | ||
124 | logger.info('youtube-dl updated to version %s.', newVersion) | |
125 | return res() | |
126 | }) | |
127 | }) | |
128 | }) | |
129 | }) | |
130 | } | |
131 | ||
4f1f6f03 C |
132 | async function safeGetYoutubeDL () { |
133 | let youtubeDL | |
134 | ||
135 | try { | |
136 | youtubeDL = require('youtube-dl') | |
137 | } catch (e) { | |
138 | // Download binary | |
606c946e | 139 | await updateYoutubeDLBinary() |
4f1f6f03 C |
140 | youtubeDL = require('youtube-dl') |
141 | } | |
142 | ||
143 | return youtubeDL | |
144 | } | |
145 | ||
c74c9be9 C |
146 | function buildOriginallyPublishedAt (obj: any) { |
147 | let originallyPublishedAt: Date = null | |
148 | ||
149 | const uploadDateMatcher = /^(\d{4})(\d{2})(\d{2})$/.exec(obj.upload_date) | |
150 | if (uploadDateMatcher) { | |
151 | originallyPublishedAt = new Date() | |
152 | originallyPublishedAt.setHours(0, 0, 0, 0) | |
153 | ||
154 | const year = parseInt(uploadDateMatcher[1], 10) | |
155 | // Month starts from 0 | |
156 | const month = parseInt(uploadDateMatcher[2], 10) - 1 | |
157 | const day = parseInt(uploadDateMatcher[3], 10) | |
158 | ||
159 | originallyPublishedAt.setFullYear(year, month, day) | |
160 | } | |
161 | ||
162 | return originallyPublishedAt | |
163 | } | |
164 | ||
8704acf4 RK |
165 | // --------------------------------------------------------------------------- |
166 | ||
167 | export { | |
0491173a | 168 | updateYoutubeDLBinary, |
8704acf4 RK |
169 | downloadYoutubeDLVideo, |
170 | getYoutubeDLInfo, | |
c74c9be9 C |
171 | safeGetYoutubeDL, |
172 | buildOriginallyPublishedAt | |
8704acf4 RK |
173 | } |
174 | ||
175 | // --------------------------------------------------------------------------- | |
176 | ||
fbad87b0 C |
177 | function normalizeObject (obj: any) { |
178 | const newObj: any = {} | |
179 | ||
180 | for (const key of Object.keys(obj)) { | |
181 | // Deprecated key | |
182 | if (key === 'resolution') continue | |
183 | ||
184 | const value = obj[key] | |
185 | ||
186 | if (typeof value === 'string') { | |
187 | newObj[key] = value.normalize() | |
188 | } else { | |
189 | newObj[key] = value | |
190 | } | |
191 | } | |
192 | ||
193 | return newObj | |
194 | } | |
195 | ||
196 | function buildVideoInfo (obj: any) { | |
197 | return { | |
198 | name: titleTruncation(obj.title), | |
199 | description: descriptionTruncation(obj.description), | |
200 | category: getCategory(obj.categories), | |
201 | licence: getLicence(obj.license), | |
202 | nsfw: isNSFW(obj), | |
203 | tags: getTags(obj.tags), | |
4e553a41 | 204 | thumbnailUrl: obj.thumbnail || undefined, |
c74c9be9 | 205 | originallyPublishedAt: buildOriginallyPublishedAt(obj) |
fbad87b0 C |
206 | } |
207 | } | |
208 | ||
209 | function titleTruncation (title: string) { | |
210 | return truncate(title, { | |
211 | 'length': CONSTRAINTS_FIELDS.VIDEOS.NAME.max, | |
212 | 'separator': /,? +/, | |
213 | 'omission': ' […]' | |
214 | }) | |
215 | } | |
216 | ||
217 | function descriptionTruncation (description: string) { | |
ed31c059 | 218 | if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined |
fbad87b0 C |
219 | |
220 | return truncate(description, { | |
221 | 'length': CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, | |
222 | 'separator': /,? +/, | |
223 | 'omission': ' […]' | |
224 | }) | |
225 | } | |
226 | ||
227 | function isNSFW (info: any) { | |
228 | return info.age_limit && info.age_limit >= 16 | |
229 | } | |
230 | ||
231 | function getTags (tags: any) { | |
232 | if (Array.isArray(tags) === false) return [] | |
233 | ||
234 | return tags | |
235 | .filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min) | |
236 | .map(t => t.normalize()) | |
237 | .slice(0, 5) | |
238 | } | |
239 | ||
240 | function getLicence (licence: string) { | |
241 | if (!licence) return undefined | |
242 | ||
590fb506 | 243 | if (licence.indexOf('Creative Commons Attribution') !== -1) return 1 |
fbad87b0 C |
244 | |
245 | return undefined | |
246 | } | |
247 | ||
248 | function getCategory (categories: string[]) { | |
249 | if (!categories) return undefined | |
250 | ||
251 | const categoryString = categories[0] | |
252 | if (!categoryString || typeof categoryString !== 'string') return undefined | |
253 | ||
254 | if (categoryString === 'News & Politics') return 11 | |
255 | ||
256 | for (const key of Object.keys(VIDEO_CATEGORIES)) { | |
257 | const category = VIDEO_CATEGORIES[key] | |
258 | if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10) | |
259 | } | |
260 | ||
261 | return undefined | |
262 | } |