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1 | /* | |
2 | Different from 'utils' because we don't not import other PeerTube modules. | |
3 | Useful to avoid circular dependencies. | |
4 | */ | |
5 | ||
6 | import * as bcrypt from 'bcrypt' | |
7 | import * as createTorrent from 'create-torrent' | |
8 | import { pseudoRandomBytes } from 'crypto' | |
9 | import { readdir, readFile, rename, stat, Stats, unlink, writeFile } from 'fs' | |
10 | import * as mkdirp from 'mkdirp' | |
11 | import { join } from 'path' | |
12 | import * as pem from 'pem' | |
13 | import * as rimraf from 'rimraf' | |
14 | ||
15 | function isTestInstance () { | |
16 | return process.env.NODE_ENV === 'test' | |
17 | } | |
18 | ||
19 | function root () { | |
20 | // We are in /helpers/utils.js | |
21 | const paths = [ __dirname, '..', '..' ] | |
22 | ||
23 | // We are under /dist directory | |
24 | if (process.mainModule.filename.endsWith('.ts') === false) { | |
25 | paths.push('..') | |
26 | } | |
27 | ||
28 | return join.apply(null, paths) | |
29 | } | |
30 | ||
31 | // Thanks: https://stackoverflow.com/a/12034334 | |
32 | function escapeHTML (stringParam) { | |
33 | const entityMap = { | |
34 | '&': '&', | |
35 | '<': '<', | |
36 | '>': '>', | |
37 | '"': '"', | |
38 | "'": ''', | |
39 | '/': '/', | |
40 | '`': '`', | |
41 | '=': '=' | |
42 | } | |
43 | ||
44 | return String(stringParam).replace(/[&<>"'`=\/]/g, s => entityMap[s]) | |
45 | } | |
46 | ||
47 | function pageToStartAndCount (page: number, itemsPerPage: number) { | |
48 | const start = (page - 1) * itemsPerPage | |
49 | ||
50 | return { start, count: itemsPerPage } | |
51 | } | |
52 | ||
53 | function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> { | |
54 | return function promisified (): Promise<A> { | |
55 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
56 | func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
57 | }) | |
58 | } | |
59 | } | |
60 | ||
61 | // Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2 | |
62 | function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> { | |
63 | return function promisified (arg: T): Promise<A> { | |
64 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
65 | func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
66 | }) | |
67 | } | |
68 | } | |
69 | ||
70 | function promisify1WithVoid<T> (func: (arg: T, cb: (err: any) => void) => void): (arg: T) => Promise<void> { | |
71 | return function promisified (arg: T): Promise<void> { | |
72 | return new Promise<void>((resolve: () => void, reject: (err: any) => void) => { | |
73 | func.apply(null, [ arg, (err: any) => err ? reject(err) : resolve() ]) | |
74 | }) | |
75 | } | |
76 | } | |
77 | ||
78 | function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> { | |
79 | return function promisified (arg1: T, arg2: U): Promise<A> { | |
80 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
81 | func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
82 | }) | |
83 | } | |
84 | } | |
85 | ||
86 | function promisify2WithVoid<T, U> (func: (arg1: T, arg2: U, cb: (err: any) => void) => void): (arg1: T, arg2: U) => Promise<void> { | |
87 | return function promisified (arg1: T, arg2: U): Promise<void> { | |
88 | return new Promise<void>((resolve: () => void, reject: (err: any) => void) => { | |
89 | func.apply(null, [ arg1, arg2, (err: any) => err ? reject(err) : resolve() ]) | |
90 | }) | |
91 | } | |
92 | } | |
93 | ||
94 | const readFileBufferPromise = promisify1<string, Buffer>(readFile) | |
95 | const unlinkPromise = promisify1WithVoid<string>(unlink) | |
96 | const renamePromise = promisify2WithVoid<string, string>(rename) | |
97 | const writeFilePromise = promisify2WithVoid<string, any>(writeFile) | |
98 | const readdirPromise = promisify1<string, string[]>(readdir) | |
99 | const mkdirpPromise = promisify1<string, string>(mkdirp) | |
100 | const pseudoRandomBytesPromise = promisify1<number, Buffer>(pseudoRandomBytes) | |
101 | const createPrivateKey = promisify1<number, { key: string }>(pem.createPrivateKey) | |
102 | const getPublicKey = promisify1<string, { publicKey: string }>(pem.getPublicKey) | |
103 | const bcryptComparePromise = promisify2<any, string, boolean>(bcrypt.compare) | |
104 | const bcryptGenSaltPromise = promisify1<number, string>(bcrypt.genSalt) | |
105 | const bcryptHashPromise = promisify2<any, string | number, string>(bcrypt.hash) | |
106 | const createTorrentPromise = promisify2<string, any, any>(createTorrent) | |
107 | const rimrafPromise = promisify1WithVoid<string>(rimraf) | |
108 | const statPromise = promisify1<string, Stats>(stat) | |
109 | ||
110 | // --------------------------------------------------------------------------- | |
111 | ||
112 | export { | |
113 | isTestInstance, | |
114 | root, | |
115 | escapeHTML, | |
116 | pageToStartAndCount, | |
117 | ||
118 | promisify0, | |
119 | promisify1, | |
120 | ||
121 | readdirPromise, | |
122 | readFileBufferPromise, | |
123 | unlinkPromise, | |
124 | renamePromise, | |
125 | writeFilePromise, | |
126 | mkdirpPromise, | |
127 | pseudoRandomBytesPromise, | |
128 | createPrivateKey, | |
129 | getPublicKey, | |
130 | bcryptComparePromise, | |
131 | bcryptGenSaltPromise, | |
132 | bcryptHashPromise, | |
133 | createTorrentPromise, | |
134 | rimrafPromise, | |
135 | statPromise | |
136 | } |