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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' |
ce33919c | 4 | import { generateVideoTmpPath } from './utils' |
4f1f6f03 | 5 | import { YoutubeDlUpdateScheduler } from '../lib/schedulers/youtube-dl-update-scheduler' |
fbad87b0 C |
6 | |
7 | export type YoutubeDLInfo = { | |
ce33919c C |
8 | name?: string |
9 | description?: string | |
10 | category?: number | |
11 | licence?: number | |
12 | nsfw?: boolean | |
13 | tags?: string[] | |
14 | thumbnailUrl?: string | |
fbad87b0 C |
15 | } |
16 | ||
17 | function getYoutubeDLInfo (url: string): Promise<YoutubeDLInfo> { | |
4f1f6f03 | 18 | return new Promise<YoutubeDLInfo>(async (res, rej) => { |
fbad87b0 C |
19 | const options = [ '-j', '--flat-playlist' ] |
20 | ||
4f1f6f03 | 21 | const youtubeDL = await safeGetYoutubeDL() |
fbad87b0 C |
22 | youtubeDL.getInfo(url, options, (err, info) => { |
23 | if (err) return rej(err) | |
24 | ||
25 | const obj = normalizeObject(info) | |
26 | ||
27 | return res(buildVideoInfo(obj)) | |
28 | }) | |
29 | }) | |
30 | } | |
31 | ||
32 | function downloadYoutubeDLVideo (url: string) { | |
ce33919c | 33 | const path = generateVideoTmpPath(url) |
fbad87b0 | 34 | |
ce33919c | 35 | logger.info('Importing youtubeDL video %s', url) |
fbad87b0 C |
36 | |
37 | const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] | |
38 | ||
4f1f6f03 C |
39 | return new Promise<string>(async (res, rej) => { |
40 | const youtubeDL = await safeGetYoutubeDL() | |
fbad87b0 C |
41 | youtubeDL.exec(url, options, async (err, output) => { |
42 | if (err) return rej(err) | |
43 | ||
44 | return res(path) | |
45 | }) | |
46 | }) | |
47 | } | |
48 | ||
49 | // --------------------------------------------------------------------------- | |
50 | ||
51 | export { | |
52 | downloadYoutubeDLVideo, | |
53 | getYoutubeDLInfo | |
54 | } | |
55 | ||
56 | // --------------------------------------------------------------------------- | |
57 | ||
4f1f6f03 C |
58 | async function safeGetYoutubeDL () { |
59 | let youtubeDL | |
60 | ||
61 | try { | |
62 | youtubeDL = require('youtube-dl') | |
63 | } catch (e) { | |
64 | // Download binary | |
65 | await YoutubeDlUpdateScheduler.Instance.execute() | |
66 | youtubeDL = require('youtube-dl') | |
67 | } | |
68 | ||
69 | return youtubeDL | |
70 | } | |
71 | ||
fbad87b0 C |
72 | function normalizeObject (obj: any) { |
73 | const newObj: any = {} | |
74 | ||
75 | for (const key of Object.keys(obj)) { | |
76 | // Deprecated key | |
77 | if (key === 'resolution') continue | |
78 | ||
79 | const value = obj[key] | |
80 | ||
81 | if (typeof value === 'string') { | |
82 | newObj[key] = value.normalize() | |
83 | } else { | |
84 | newObj[key] = value | |
85 | } | |
86 | } | |
87 | ||
88 | return newObj | |
89 | } | |
90 | ||
91 | function buildVideoInfo (obj: any) { | |
92 | return { | |
93 | name: titleTruncation(obj.title), | |
94 | description: descriptionTruncation(obj.description), | |
95 | category: getCategory(obj.categories), | |
96 | licence: getLicence(obj.license), | |
97 | nsfw: isNSFW(obj), | |
98 | tags: getTags(obj.tags), | |
99 | thumbnailUrl: obj.thumbnail || undefined | |
100 | } | |
101 | } | |
102 | ||
103 | function titleTruncation (title: string) { | |
104 | return truncate(title, { | |
105 | 'length': CONSTRAINTS_FIELDS.VIDEOS.NAME.max, | |
106 | 'separator': /,? +/, | |
107 | 'omission': ' […]' | |
108 | }) | |
109 | } | |
110 | ||
111 | function descriptionTruncation (description: string) { | |
ed31c059 | 112 | if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined |
fbad87b0 C |
113 | |
114 | return truncate(description, { | |
115 | 'length': CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, | |
116 | 'separator': /,? +/, | |
117 | 'omission': ' […]' | |
118 | }) | |
119 | } | |
120 | ||
121 | function isNSFW (info: any) { | |
122 | return info.age_limit && info.age_limit >= 16 | |
123 | } | |
124 | ||
125 | function getTags (tags: any) { | |
126 | if (Array.isArray(tags) === false) return [] | |
127 | ||
128 | return tags | |
129 | .filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min) | |
130 | .map(t => t.normalize()) | |
131 | .slice(0, 5) | |
132 | } | |
133 | ||
134 | function getLicence (licence: string) { | |
135 | if (!licence) return undefined | |
136 | ||
590fb506 | 137 | if (licence.indexOf('Creative Commons Attribution') !== -1) return 1 |
fbad87b0 C |
138 | |
139 | return undefined | |
140 | } | |
141 | ||
142 | function getCategory (categories: string[]) { | |
143 | if (!categories) return undefined | |
144 | ||
145 | const categoryString = categories[0] | |
146 | if (!categoryString || typeof categoryString !== 'string') return undefined | |
147 | ||
148 | if (categoryString === 'News & Politics') return 11 | |
149 | ||
150 | for (const key of Object.keys(VIDEO_CATEGORIES)) { | |
151 | const category = VIDEO_CATEGORIES[key] | |
152 | if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10) | |
153 | } | |
154 | ||
155 | return undefined | |
156 | } |