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1 | import { ResultList } from '../../shared' | |
2 | import { ApplicationModel } from '../models/application/application' | |
3 | import { execPromise, execPromise2, pseudoRandomBytesPromise, sha256 } from './core-utils' | |
4 | import { logger } from './logger' | |
5 | import { join } from 'path' | |
6 | import { Instance as ParseTorrent } from 'parse-torrent' | |
7 | import { remove } from 'fs-extra' | |
8 | import * as memoizee from 'memoizee' | |
9 | import { CONFIG } from '../initializers/config' | |
10 | ||
11 | function deleteFileAsync (path: string) { | |
12 | remove(path) | |
13 | .catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err })) | |
14 | } | |
15 | ||
16 | async function generateRandomString (size: number) { | |
17 | const raw = await pseudoRandomBytesPromise(size) | |
18 | ||
19 | return raw.toString('hex') | |
20 | } | |
21 | ||
22 | interface FormattableToJSON<U, V> { toFormattedJSON (args?: U): V } | |
23 | function getFormattedObjects<U, V, T extends FormattableToJSON<U, V>> (objects: T[], objectsTotal: number, formattedArg?: U) { | |
24 | const formattedObjects = objects.map(o => o.toFormattedJSON(formattedArg)) | |
25 | ||
26 | return { | |
27 | total: objectsTotal, | |
28 | data: formattedObjects | |
29 | } as ResultList<V> | |
30 | } | |
31 | ||
32 | const getServerActor = memoizee(async function () { | |
33 | const application = await ApplicationModel.load() | |
34 | if (!application) throw Error('Could not load Application from database.') | |
35 | ||
36 | const actor = application.Account.Actor | |
37 | actor.Account = application.Account | |
38 | ||
39 | return actor | |
40 | }) | |
41 | ||
42 | function generateVideoImportTmpPath (target: string | ParseTorrent) { | |
43 | const id = typeof target === 'string' ? target : target.infoHash | |
44 | ||
45 | const hash = sha256(id) | |
46 | return join(CONFIG.STORAGE.TMP_DIR, hash + '-import.mp4') | |
47 | } | |
48 | ||
49 | function getSecureTorrentName (originalName: string) { | |
50 | return sha256(originalName) + '.torrent' | |
51 | } | |
52 | ||
53 | async function getServerCommit () { | |
54 | try { | |
55 | const tag = await execPromise2( | |
56 | '[ ! -d .git ] || git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null || true', | |
57 | { stdio: [ 0, 1, 2 ] } | |
58 | ) | |
59 | ||
60 | if (tag) return tag.replace(/^v/, '') | |
61 | } catch (err) { | |
62 | logger.debug('Cannot get version from git tags.', { err }) | |
63 | } | |
64 | ||
65 | try { | |
66 | const version = await execPromise('[ ! -d .git ] || git rev-parse --short HEAD') | |
67 | ||
68 | if (version) return version.toString().trim() | |
69 | } catch (err) { | |
70 | logger.debug('Cannot get version from git HEAD.', { err }) | |
71 | } | |
72 | ||
73 | return '' | |
74 | } | |
75 | ||
76 | /** | |
77 | * From a filename like "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3.mp4", returns | |
78 | * only the "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3" part. If the filename does | |
79 | * not contain a UUID, returns null. | |
80 | */ | |
81 | function getUUIDFromFilename (filename: string) { | |
82 | const regex = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/ | |
83 | const result = filename.match(regex) | |
84 | ||
85 | if (!result || Array.isArray(result) === false) return null | |
86 | ||
87 | return result[0] | |
88 | } | |
89 | ||
90 | // --------------------------------------------------------------------------- | |
91 | ||
92 | export { | |
93 | deleteFileAsync, | |
94 | generateRandomString, | |
95 | getFormattedObjects, | |
96 | getSecureTorrentName, | |
97 | getServerActor, | |
98 | getServerCommit, | |
99 | generateVideoImportTmpPath, | |
100 | getUUIDFromFilename | |
101 | } |