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