]>
Commit | Line | Data |
---|---|---|
fbad87b0 C |
1 | import * as youtubeDL from 'youtube-dl' |
2 | import { truncate } from 'lodash' | |
3 | import { CONFIG, CONSTRAINTS_FIELDS, VIDEO_CATEGORIES } from '../initializers' | |
4 | import { join } from 'path' | |
5 | import * as crypto from 'crypto' | |
6 | import { logger } from './logger' | |
7 | ||
8 | export type YoutubeDLInfo = { | |
9 | name: string | |
10 | description: string | |
11 | category: number | |
12 | licence: number | |
13 | nsfw: boolean | |
14 | tags: string[] | |
15 | thumbnailUrl: string | |
16 | } | |
17 | ||
18 | function getYoutubeDLInfo (url: string): Promise<YoutubeDLInfo> { | |
19 | return new Promise<YoutubeDLInfo>((res, rej) => { | |
20 | const options = [ '-j', '--flat-playlist' ] | |
21 | ||
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) { | |
516df59b | 33 | const hash = crypto.createHash('sha256').update(url).digest('hex') |
fbad87b0 C |
34 | const path = join(CONFIG.STORAGE.VIDEOS_DIR, hash + '-import.mp4') |
35 | ||
36 | logger.info('Importing video %s', url) | |
37 | ||
38 | const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] | |
39 | ||
40 | return new Promise<string>((res, rej) => { | |
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 | ||
58 | function normalizeObject (obj: any) { | |
59 | const newObj: any = {} | |
60 | ||
61 | for (const key of Object.keys(obj)) { | |
62 | // Deprecated key | |
63 | if (key === 'resolution') continue | |
64 | ||
65 | const value = obj[key] | |
66 | ||
67 | if (typeof value === 'string') { | |
68 | newObj[key] = value.normalize() | |
69 | } else { | |
70 | newObj[key] = value | |
71 | } | |
72 | } | |
73 | ||
74 | return newObj | |
75 | } | |
76 | ||
77 | function buildVideoInfo (obj: any) { | |
78 | return { | |
79 | name: titleTruncation(obj.title), | |
80 | description: descriptionTruncation(obj.description), | |
81 | category: getCategory(obj.categories), | |
82 | licence: getLicence(obj.license), | |
83 | nsfw: isNSFW(obj), | |
84 | tags: getTags(obj.tags), | |
85 | thumbnailUrl: obj.thumbnail || undefined | |
86 | } | |
87 | } | |
88 | ||
89 | function titleTruncation (title: string) { | |
90 | return truncate(title, { | |
91 | 'length': CONSTRAINTS_FIELDS.VIDEOS.NAME.max, | |
92 | 'separator': /,? +/, | |
93 | 'omission': ' […]' | |
94 | }) | |
95 | } | |
96 | ||
97 | function descriptionTruncation (description: string) { | |
ed31c059 | 98 | if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined |
fbad87b0 C |
99 | |
100 | return truncate(description, { | |
101 | 'length': CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, | |
102 | 'separator': /,? +/, | |
103 | 'omission': ' […]' | |
104 | }) | |
105 | } | |
106 | ||
107 | function isNSFW (info: any) { | |
108 | return info.age_limit && info.age_limit >= 16 | |
109 | } | |
110 | ||
111 | function getTags (tags: any) { | |
112 | if (Array.isArray(tags) === false) return [] | |
113 | ||
114 | return tags | |
115 | .filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min) | |
116 | .map(t => t.normalize()) | |
117 | .slice(0, 5) | |
118 | } | |
119 | ||
120 | function getLicence (licence: string) { | |
121 | if (!licence) return undefined | |
122 | ||
590fb506 | 123 | if (licence.indexOf('Creative Commons Attribution') !== -1) return 1 |
fbad87b0 C |
124 | |
125 | return undefined | |
126 | } | |
127 | ||
128 | function getCategory (categories: string[]) { | |
129 | if (!categories) return undefined | |
130 | ||
131 | const categoryString = categories[0] | |
132 | if (!categoryString || typeof categoryString !== 'string') return undefined | |
133 | ||
134 | if (categoryString === 'News & Politics') return 11 | |
135 | ||
136 | for (const key of Object.keys(VIDEO_CATEGORIES)) { | |
137 | const category = VIDEO_CATEGORIES[key] | |
138 | if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10) | |
139 | } | |
140 | ||
141 | return undefined | |
142 | } |