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1 | /* eslint-disable no-useless-call */ | |
2 | ||
3 | /* | |
4 | Different from 'utils' because we don't import other PeerTube modules. | |
5 | Useful to avoid circular dependencies. | |
6 | */ | |
7 | ||
8 | import { exec, ExecOptions } from 'child_process' | |
9 | import { randomBytes } from 'crypto' | |
10 | import { truncate } from 'lodash' | |
11 | import { createPrivateKey as createPrivateKey_1, getPublicKey as getPublicKey_1 } from 'pem' | |
12 | import { pipeline } from 'stream' | |
13 | import { URL } from 'url' | |
14 | import { promisify } from 'util' | |
15 | ||
16 | const objectConverter = (oldObject: any, keyConverter: (e: string) => string, valueConverter: (e: any) => any) => { | |
17 | if (!oldObject || typeof oldObject !== 'object') { | |
18 | return valueConverter(oldObject) | |
19 | } | |
20 | ||
21 | if (Array.isArray(oldObject)) { | |
22 | return oldObject.map(e => objectConverter(e, keyConverter, valueConverter)) | |
23 | } | |
24 | ||
25 | const newObject = {} | |
26 | Object.keys(oldObject).forEach(oldKey => { | |
27 | const newKey = keyConverter(oldKey) | |
28 | newObject[newKey] = objectConverter(oldObject[oldKey], keyConverter, valueConverter) | |
29 | }) | |
30 | ||
31 | return newObject | |
32 | } | |
33 | ||
34 | function mapToJSON (map: Map<any, any>) { | |
35 | const obj: any = {} | |
36 | ||
37 | for (const [ k, v ] of map) { | |
38 | obj[k] = v | |
39 | } | |
40 | ||
41 | return obj | |
42 | } | |
43 | ||
44 | // --------------------------------------------------------------------------- | |
45 | ||
46 | const timeTable = { | |
47 | ms: 1, | |
48 | second: 1000, | |
49 | minute: 60000, | |
50 | hour: 3600000, | |
51 | day: 3600000 * 24, | |
52 | week: 3600000 * 24 * 7, | |
53 | month: 3600000 * 24 * 30 | |
54 | } | |
55 | ||
56 | export function parseDurationToMs (duration: number | string): number { | |
57 | if (duration === null) return null | |
58 | if (typeof duration === 'number') return duration | |
59 | if (!isNaN(+duration)) return +duration | |
60 | ||
61 | if (typeof duration === 'string') { | |
62 | const split = duration.match(/^([\d.,]+)\s?(\w+)$/) | |
63 | ||
64 | if (split.length === 3) { | |
65 | const len = parseFloat(split[1]) | |
66 | let unit = split[2].replace(/s$/i, '').toLowerCase() | |
67 | if (unit === 'm') { | |
68 | unit = 'ms' | |
69 | } | |
70 | ||
71 | return (len || 1) * (timeTable[unit] || 0) | |
72 | } | |
73 | } | |
74 | ||
75 | throw new Error(`Duration ${duration} could not be properly parsed`) | |
76 | } | |
77 | ||
78 | export function parseBytes (value: string | number): number { | |
79 | if (typeof value === 'number') return value | |
80 | if (!isNaN(+value)) return +value | |
81 | ||
82 | const tgm = /^(\d+)\s*TB\s*(\d+)\s*GB\s*(\d+)\s*MB$/ | |
83 | const tg = /^(\d+)\s*TB\s*(\d+)\s*GB$/ | |
84 | const tm = /^(\d+)\s*TB\s*(\d+)\s*MB$/ | |
85 | const gm = /^(\d+)\s*GB\s*(\d+)\s*MB$/ | |
86 | const t = /^(\d+)\s*TB$/ | |
87 | const g = /^(\d+)\s*GB$/ | |
88 | const m = /^(\d+)\s*MB$/ | |
89 | const b = /^(\d+)\s*B$/ | |
90 | ||
91 | let match: RegExpMatchArray | |
92 | ||
93 | if (value.match(tgm)) { | |
94 | match = value.match(tgm) | |
95 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
96 | parseInt(match[2], 10) * 1024 * 1024 * 1024 + | |
97 | parseInt(match[3], 10) * 1024 * 1024 | |
98 | } | |
99 | ||
100 | if (value.match(tg)) { | |
101 | match = value.match(tg) | |
102 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
103 | parseInt(match[2], 10) * 1024 * 1024 * 1024 | |
104 | } | |
105 | ||
106 | if (value.match(tm)) { | |
107 | match = value.match(tm) | |
108 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
109 | parseInt(match[2], 10) * 1024 * 1024 | |
110 | } | |
111 | ||
112 | if (value.match(gm)) { | |
113 | match = value.match(gm) | |
114 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 + | |
115 | parseInt(match[2], 10) * 1024 * 1024 | |
116 | } | |
117 | ||
118 | if (value.match(t)) { | |
119 | match = value.match(t) | |
120 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 | |
121 | } | |
122 | ||
123 | if (value.match(g)) { | |
124 | match = value.match(g) | |
125 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 | |
126 | } | |
127 | ||
128 | if (value.match(m)) { | |
129 | match = value.match(m) | |
130 | return parseInt(match[1], 10) * 1024 * 1024 | |
131 | } | |
132 | ||
133 | if (value.match(b)) { | |
134 | match = value.match(b) | |
135 | return parseInt(match[1], 10) * 1024 | |
136 | } | |
137 | ||
138 | return parseInt(value, 10) | |
139 | } | |
140 | ||
141 | // --------------------------------------------------------------------------- | |
142 | ||
143 | function sanitizeUrl (url: string) { | |
144 | const urlObject = new URL(url) | |
145 | ||
146 | if (urlObject.protocol === 'https:' && urlObject.port === '443') { | |
147 | urlObject.port = '' | |
148 | } else if (urlObject.protocol === 'http:' && urlObject.port === '80') { | |
149 | urlObject.port = '' | |
150 | } | |
151 | ||
152 | return urlObject.href.replace(/\/$/, '') | |
153 | } | |
154 | ||
155 | // Don't import remote scheme from constants because we are in core utils | |
156 | function sanitizeHost (host: string, remoteScheme: string) { | |
157 | const toRemove = remoteScheme === 'https' ? 443 : 80 | |
158 | ||
159 | return host.replace(new RegExp(`:${toRemove}$`), '') | |
160 | } | |
161 | ||
162 | // --------------------------------------------------------------------------- | |
163 | ||
164 | function isTestInstance () { | |
165 | return process.env.NODE_ENV === 'test' | |
166 | } | |
167 | ||
168 | function isProdInstance () { | |
169 | return process.env.NODE_ENV === 'production' | |
170 | } | |
171 | ||
172 | function getAppNumber () { | |
173 | return process.env.NODE_APP_INSTANCE || '' | |
174 | } | |
175 | ||
176 | // --------------------------------------------------------------------------- | |
177 | ||
178 | // Consistent with .length, lodash truncate function is not | |
179 | function peertubeTruncate (str: string, options: { length: number, separator?: RegExp, omission?: string }) { | |
180 | const truncatedStr = truncate(str, options) | |
181 | ||
182 | // The truncated string is okay, we can return it | |
183 | if (truncatedStr.length <= options.length) return truncatedStr | |
184 | ||
185 | // Lodash takes into account all UTF characters, whereas String.prototype.length does not: some characters have a length of 2 | |
186 | // We always use the .length so we need to truncate more if needed | |
187 | options.length -= truncatedStr.length - options.length | |
188 | return truncate(str, options) | |
189 | } | |
190 | ||
191 | function pageToStartAndCount (page: number, itemsPerPage: number) { | |
192 | const start = (page - 1) * itemsPerPage | |
193 | ||
194 | return { start, count: itemsPerPage } | |
195 | } | |
196 | ||
197 | // --------------------------------------------------------------------------- | |
198 | ||
199 | type SemVersion = { major: number, minor: number, patch: number } | |
200 | function parseSemVersion (s: string) { | |
201 | const parsed = s.match(/^v?(\d+)\.(\d+)\.(\d+)$/i) | |
202 | ||
203 | return { | |
204 | major: parseInt(parsed[1]), | |
205 | minor: parseInt(parsed[2]), | |
206 | patch: parseInt(parsed[3]) | |
207 | } as SemVersion | |
208 | } | |
209 | ||
210 | // --------------------------------------------------------------------------- | |
211 | ||
212 | function execShell (command: string, options?: ExecOptions) { | |
213 | return new Promise<{ err?: Error, stdout: string, stderr: string }>((res, rej) => { | |
214 | exec(command, options, (err, stdout, stderr) => { | |
215 | // eslint-disable-next-line prefer-promise-reject-errors | |
216 | if (err) return rej({ err, stdout, stderr }) | |
217 | ||
218 | return res({ stdout, stderr }) | |
219 | }) | |
220 | }) | |
221 | } | |
222 | ||
223 | // --------------------------------------------------------------------------- | |
224 | ||
225 | function isOdd (num: number) { | |
226 | return (num % 2) !== 0 | |
227 | } | |
228 | ||
229 | function toEven (num: number) { | |
230 | if (isOdd(num)) return num + 1 | |
231 | ||
232 | return num | |
233 | } | |
234 | ||
235 | // --------------------------------------------------------------------------- | |
236 | ||
237 | function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> { | |
238 | return function promisified (): Promise<A> { | |
239 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
240 | func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
241 | }) | |
242 | } | |
243 | } | |
244 | ||
245 | // Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2 | |
246 | function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> { | |
247 | return function promisified (arg: T): Promise<A> { | |
248 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
249 | func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
250 | }) | |
251 | } | |
252 | } | |
253 | ||
254 | function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> { | |
255 | return function promisified (arg1: T, arg2: U): Promise<A> { | |
256 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
257 | func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
258 | }) | |
259 | } | |
260 | } | |
261 | ||
262 | const randomBytesPromise = promisify1<number, Buffer>(randomBytes) | |
263 | const createPrivateKey = promisify1<number, { key: string }>(createPrivateKey_1) | |
264 | const getPublicKey = promisify1<string, { publicKey: string }>(getPublicKey_1) | |
265 | const execPromise2 = promisify2<string, any, string>(exec) | |
266 | const execPromise = promisify1<string, string>(exec) | |
267 | const pipelinePromise = promisify(pipeline) | |
268 | ||
269 | // --------------------------------------------------------------------------- | |
270 | ||
271 | export { | |
272 | isTestInstance, | |
273 | isProdInstance, | |
274 | getAppNumber, | |
275 | ||
276 | objectConverter, | |
277 | mapToJSON, | |
278 | ||
279 | sanitizeUrl, | |
280 | sanitizeHost, | |
281 | ||
282 | execShell, | |
283 | ||
284 | pageToStartAndCount, | |
285 | peertubeTruncate, | |
286 | ||
287 | promisify0, | |
288 | promisify1, | |
289 | promisify2, | |
290 | ||
291 | randomBytesPromise, | |
292 | createPrivateKey, | |
293 | getPublicKey, | |
294 | execPromise2, | |
295 | execPromise, | |
296 | pipelinePromise, | |
297 | ||
298 | parseSemVersion, | |
299 | ||
300 | isOdd, | |
301 | toEven | |
302 | } |