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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 { BinaryToTextEncoding, createHash, randomBytes } from 'crypto' | |
10 | import { truncate } from 'lodash' | |
11 | import { basename, isAbsolute, join, resolve } from 'path' | |
12 | import * as pem from 'pem' | |
13 | import { pipeline } from 'stream' | |
14 | import { URL } from 'url' | |
15 | import { promisify } from 'util' | |
16 | ||
17 | const objectConverter = (oldObject: any, keyConverter: (e: string) => string, valueConverter: (e: any) => any) => { | |
18 | if (!oldObject || typeof oldObject !== 'object') { | |
19 | return valueConverter(oldObject) | |
20 | } | |
21 | ||
22 | if (Array.isArray(oldObject)) { | |
23 | return oldObject.map(e => objectConverter(e, keyConverter, valueConverter)) | |
24 | } | |
25 | ||
26 | const newObject = {} | |
27 | Object.keys(oldObject).forEach(oldKey => { | |
28 | const newKey = keyConverter(oldKey) | |
29 | newObject[newKey] = objectConverter(oldObject[oldKey], keyConverter, valueConverter) | |
30 | }) | |
31 | ||
32 | return newObject | |
33 | } | |
34 | ||
35 | const timeTable = { | |
36 | ms: 1, | |
37 | second: 1000, | |
38 | minute: 60000, | |
39 | hour: 3600000, | |
40 | day: 3600000 * 24, | |
41 | week: 3600000 * 24 * 7, | |
42 | month: 3600000 * 24 * 30 | |
43 | } | |
44 | ||
45 | export function parseDurationToMs (duration: number | string): number { | |
46 | if (duration === null) return null | |
47 | if (typeof duration === 'number') return duration | |
48 | ||
49 | if (typeof duration === 'string') { | |
50 | const split = duration.match(/^([\d.,]+)\s?(\w+)$/) | |
51 | ||
52 | if (split.length === 3) { | |
53 | const len = parseFloat(split[1]) | |
54 | let unit = split[2].replace(/s$/i, '').toLowerCase() | |
55 | if (unit === 'm') { | |
56 | unit = 'ms' | |
57 | } | |
58 | ||
59 | return (len || 1) * (timeTable[unit] || 0) | |
60 | } | |
61 | } | |
62 | ||
63 | throw new Error(`Duration ${duration} could not be properly parsed`) | |
64 | } | |
65 | ||
66 | export function parseBytes (value: string | number): number { | |
67 | if (typeof value === 'number') return value | |
68 | ||
69 | const tgm = /^(\d+)\s*TB\s*(\d+)\s*GB\s*(\d+)\s*MB$/ | |
70 | const tg = /^(\d+)\s*TB\s*(\d+)\s*GB$/ | |
71 | const tm = /^(\d+)\s*TB\s*(\d+)\s*MB$/ | |
72 | const gm = /^(\d+)\s*GB\s*(\d+)\s*MB$/ | |
73 | const t = /^(\d+)\s*TB$/ | |
74 | const g = /^(\d+)\s*GB$/ | |
75 | const m = /^(\d+)\s*MB$/ | |
76 | const b = /^(\d+)\s*B$/ | |
77 | let match | |
78 | ||
79 | if (value.match(tgm)) { | |
80 | match = value.match(tgm) | |
81 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
82 | parseInt(match[2], 10) * 1024 * 1024 * 1024 + | |
83 | parseInt(match[3], 10) * 1024 * 1024 | |
84 | } else if (value.match(tg)) { | |
85 | match = value.match(tg) | |
86 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
87 | parseInt(match[2], 10) * 1024 * 1024 * 1024 | |
88 | } else if (value.match(tm)) { | |
89 | match = value.match(tm) | |
90 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 + | |
91 | parseInt(match[2], 10) * 1024 * 1024 | |
92 | } else if (value.match(gm)) { | |
93 | match = value.match(gm) | |
94 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 + | |
95 | parseInt(match[2], 10) * 1024 * 1024 | |
96 | } else if (value.match(t)) { | |
97 | match = value.match(t) | |
98 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 * 1024 | |
99 | } else if (value.match(g)) { | |
100 | match = value.match(g) | |
101 | return parseInt(match[1], 10) * 1024 * 1024 * 1024 | |
102 | } else if (value.match(m)) { | |
103 | match = value.match(m) | |
104 | return parseInt(match[1], 10) * 1024 * 1024 | |
105 | } else if (value.match(b)) { | |
106 | match = value.match(b) | |
107 | return parseInt(match[1], 10) * 1024 | |
108 | } else { | |
109 | return parseInt(value, 10) | |
110 | } | |
111 | } | |
112 | ||
113 | function sanitizeUrl (url: string) { | |
114 | const urlObject = new URL(url) | |
115 | ||
116 | if (urlObject.protocol === 'https:' && urlObject.port === '443') { | |
117 | urlObject.port = '' | |
118 | } else if (urlObject.protocol === 'http:' && urlObject.port === '80') { | |
119 | urlObject.port = '' | |
120 | } | |
121 | ||
122 | return urlObject.href.replace(/\/$/, '') | |
123 | } | |
124 | ||
125 | // Don't import remote scheme from constants because we are in core utils | |
126 | function sanitizeHost (host: string, remoteScheme: string) { | |
127 | const toRemove = remoteScheme === 'https' ? 443 : 80 | |
128 | ||
129 | return host.replace(new RegExp(`:${toRemove}$`), '') | |
130 | } | |
131 | ||
132 | function isTestInstance () { | |
133 | return process.env.NODE_ENV === 'test' | |
134 | } | |
135 | ||
136 | function isProdInstance () { | |
137 | return process.env.NODE_ENV === 'production' | |
138 | } | |
139 | ||
140 | function getAppNumber () { | |
141 | return process.env.NODE_APP_INSTANCE | |
142 | } | |
143 | ||
144 | let rootPath: string | |
145 | ||
146 | function root () { | |
147 | if (rootPath) return rootPath | |
148 | ||
149 | // We are in /helpers/utils.js | |
150 | rootPath = join(__dirname, '..', '..') | |
151 | ||
152 | if (basename(rootPath) === 'dist') rootPath = resolve(rootPath, '..') | |
153 | ||
154 | return rootPath | |
155 | } | |
156 | ||
157 | function pageToStartAndCount (page: number, itemsPerPage: number) { | |
158 | const start = (page - 1) * itemsPerPage | |
159 | ||
160 | return { start, count: itemsPerPage } | |
161 | } | |
162 | ||
163 | function mapToJSON (map: Map<any, any>) { | |
164 | const obj: any = {} | |
165 | ||
166 | for (const [ k, v ] of map) { | |
167 | obj[k] = v | |
168 | } | |
169 | ||
170 | return obj | |
171 | } | |
172 | ||
173 | function buildPath (path: string) { | |
174 | if (isAbsolute(path)) return path | |
175 | ||
176 | return join(root(), path) | |
177 | } | |
178 | ||
179 | // Consistent with .length, lodash truncate function is not | |
180 | function peertubeTruncate (str: string, options: { length: number, separator?: RegExp, omission?: string }) { | |
181 | const truncatedStr = truncate(str, options) | |
182 | ||
183 | // The truncated string is okay, we can return it | |
184 | if (truncatedStr.length <= options.length) return truncatedStr | |
185 | ||
186 | // Lodash takes into account all UTF characters, whereas String.prototype.length does not: some characters have a length of 2 | |
187 | // We always use the .length so we need to truncate more if needed | |
188 | options.length -= truncatedStr.length - options.length | |
189 | return truncate(str, options) | |
190 | } | |
191 | ||
192 | function sha256 (str: string | Buffer, encoding: BinaryToTextEncoding = 'hex') { | |
193 | return createHash('sha256').update(str).digest(encoding) | |
194 | } | |
195 | ||
196 | function sha1 (str: string | Buffer, encoding: BinaryToTextEncoding = 'hex') { | |
197 | return createHash('sha1').update(str).digest(encoding) | |
198 | } | |
199 | ||
200 | function execShell (command: string, options?: ExecOptions) { | |
201 | return new Promise<{ err?: Error, stdout: string, stderr: string }>((res, rej) => { | |
202 | exec(command, options, (err, stdout, stderr) => { | |
203 | // eslint-disable-next-line prefer-promise-reject-errors | |
204 | if (err) return rej({ err, stdout, stderr }) | |
205 | ||
206 | return res({ stdout, stderr }) | |
207 | }) | |
208 | }) | |
209 | } | |
210 | ||
211 | function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> { | |
212 | return function promisified (): Promise<A> { | |
213 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
214 | func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
215 | }) | |
216 | } | |
217 | } | |
218 | ||
219 | // Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2 | |
220 | function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> { | |
221 | return function promisified (arg: T): Promise<A> { | |
222 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
223 | func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
224 | }) | |
225 | } | |
226 | } | |
227 | ||
228 | function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> { | |
229 | return function promisified (arg1: T, arg2: U): Promise<A> { | |
230 | return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => { | |
231 | func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ]) | |
232 | }) | |
233 | } | |
234 | } | |
235 | ||
236 | type SemVersion = { major: number, minor: number, patch: number } | |
237 | function parseSemVersion (s: string) { | |
238 | const parsed = s.match(/^v?(\d+)\.(\d+)\.(\d+)$/i) | |
239 | ||
240 | return { | |
241 | major: parseInt(parsed[1]), | |
242 | minor: parseInt(parsed[2]), | |
243 | patch: parseInt(parsed[3]) | |
244 | } as SemVersion | |
245 | } | |
246 | ||
247 | const randomBytesPromise = promisify1<number, Buffer>(randomBytes) | |
248 | const createPrivateKey = promisify1<number, { key: string }>(pem.createPrivateKey) | |
249 | const getPublicKey = promisify1<string, { publicKey: string }>(pem.getPublicKey) | |
250 | const execPromise2 = promisify2<string, any, string>(exec) | |
251 | const execPromise = promisify1<string, string>(exec) | |
252 | const pipelinePromise = promisify(pipeline) | |
253 | ||
254 | // --------------------------------------------------------------------------- | |
255 | ||
256 | export { | |
257 | isTestInstance, | |
258 | isProdInstance, | |
259 | getAppNumber, | |
260 | ||
261 | objectConverter, | |
262 | root, | |
263 | pageToStartAndCount, | |
264 | sanitizeUrl, | |
265 | sanitizeHost, | |
266 | buildPath, | |
267 | execShell, | |
268 | peertubeTruncate, | |
269 | ||
270 | sha256, | |
271 | sha1, | |
272 | mapToJSON, | |
273 | ||
274 | promisify0, | |
275 | promisify1, | |
276 | promisify2, | |
277 | ||
278 | randomBytesPromise, | |
279 | createPrivateKey, | |
280 | getPublicKey, | |
281 | execPromise2, | |
282 | execPromise, | |
283 | pipelinePromise, | |
284 | ||
285 | parseSemVersion | |
286 | } |