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import * as cp from "child_process"
import * as crypto from "crypto"
import * as fs from "fs-extra"
import * as os from "os"
import * as path from "path"
import * as util from "util"
export const tmpdir = path.join(os.tmpdir(), "code-server")
const getXdgDataDir = (): string => {
switch (process.platform) {
case "win32":
return path.join(process.env.XDG_DATA_HOME || path.join(os.homedir(), "AppData/Local"), "code-server/Data")
case "darwin":
return path.join(
process.env.XDG_DATA_HOME || path.join(os.homedir(), "Library/Application Support"),
"code-server"
)
default:
return path.join(process.env.XDG_DATA_HOME || path.join(os.homedir(), ".local/share"), "code-server")
}
}
export const xdgLocalDir = getXdgDataDir()
export const generateCertificate = async (): Promise<{ cert: string; certKey: string }> => {
const paths = {
cert: path.join(tmpdir, "self-signed.cert"),
certKey: path.join(tmpdir, "self-signed.key"),
}
const checks = await Promise.all([fs.pathExists(paths.cert), fs.pathExists(paths.certKey)])
if (!checks[0] || !checks[1]) {
// Require on demand so openssl isn't required if you aren't going to
// generate certificates.
const pem = require("pem") as typeof import("pem")
const certs = await new Promise<import("pem").CertificateCreationResult>((resolve, reject): void => {
pem.createCertificate({ selfSigned: true }, (error, result) => {
return error ? reject(error) : resolve(result)
})
})
await fs.mkdirp(tmpdir)
await Promise.all([fs.writeFile(paths.cert, certs.certificate), fs.writeFile(paths.certKey, certs.serviceKey)])
}
return paths
}
export const generatePassword = async (length = 24): Promise<string> => {
const buffer = Buffer.alloc(Math.ceil(length / 2))
await util.promisify(crypto.randomFill)(buffer)
return buffer.toString("hex").substring(0, length)
}
export const hash = (str: string): string => {
return crypto
.createHash("sha256")
.update(str)
.digest("hex")
}
const mimeTypes: { [key: string]: string } = {
".aac": "audio/x-aac",
".avi": "video/x-msvideo",
".bmp": "image/bmp",
".css": "text/css",
".flv": "video/x-flv",
".gif": "image/gif",
".html": "text/html",
".ico": "image/x-icon",
".jpe": "image/jpg",
".jpeg": "image/jpg",
".jpg": "image/jpg",
".js": "application/javascript",
".json": "application/json",
".m1v": "video/mpeg",
".m2a": "audio/mpeg",
".m2v": "video/mpeg",
".m3a": "audio/mpeg",
".mid": "audio/midi",
".midi": "audio/midi",
".mk3d": "video/x-matroska",
".mks": "video/x-matroska",
".mkv": "video/x-matroska",
".mov": "video/quicktime",
".movie": "video/x-sgi-movie",
".mp2": "audio/mpeg",
".mp2a": "audio/mpeg",
".mp3": "audio/mpeg",
".mp4": "video/mp4",
".mp4a": "audio/mp4",
".mp4v": "video/mp4",
".mpe": "video/mpeg",
".mpeg": "video/mpeg",
".mpg": "video/mpeg",
".mpg4": "video/mp4",
".mpga": "audio/mpeg",
".oga": "audio/ogg",
".ogg": "audio/ogg",
".ogv": "video/ogg",
".png": "image/png",
".psd": "image/vnd.adobe.photoshop",
".qt": "video/quicktime",
".spx": "audio/ogg",
".svg": "image/svg+xml",
".tga": "image/x-tga",
".tif": "image/tiff",
".tiff": "image/tiff",
".txt": "text/plain",
".wav": "audio/x-wav",
".wasm": "application/wasm",
".webm": "video/webm",
".webp": "image/webp",
".wma": "audio/x-ms-wma",
".wmv": "video/x-ms-wmv",
".woff": "application/font-woff",
}
export const getMediaMime = (filePath?: string): string => {
return (filePath && mimeTypes[path.extname(filePath)]) || "text/plain"
}
export const isWsl = async (): Promise<boolean> => {
return (
(process.platform === "linux" &&
os
.release()
.toLowerCase()
.indexOf("microsoft") !== -1) ||
(await fs.readFile("/proc/version", "utf8")).toLowerCase().indexOf("microsoft") !== -1
)
}
/**
* Try opening a URL using whatever the system has set for opening URLs.
*/
export const open = async (url: string): Promise<void> => {
const args = [] as string[]
const options = {} as cp.SpawnOptions
const platform = (await isWsl()) ? "wsl" : process.platform
let command = platform === "darwin" ? "open" : "xdg-open"
if (platform === "win32" || platform === "wsl") {
command = platform === "wsl" ? "cmd.exe" : "cmd"
args.push("/c", "start", '""', "/b")
url = url.replace(/&/g, "^&")
}
const proc = cp.spawn(command, [...args, url], options)
await new Promise((resolve, reject) => {
proc.on("error", reject)
proc.on("close", (code) => {
return code !== 0 ? reject(new Error(`Failed to open with code ${code}`)) : resolve()
})
})
}
/**
* Extract a file to the temporary directory and make it executable. This is
* required since we can't execute binaries stored within our binary.
*/
export const unpackExecutables = async (filePath: string): Promise<void> => {
const destination = path.join(tmpdir, "binaries", path.basename(filePath))
if (filePath && !(await util.promisify(fs.exists)(destination))) {
await fs.mkdirp(tmpdir)
await fs.writeFile(destination, await fs.readFile(filePath))
await util.promisify(fs.chmod)(destination, "755")
}
}
/**
* For iterating over an enum's values.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export const enumToArray = (t: any): string[] => {
const values = [] as string[]
for (const k in t) {
values.push(t[k])
}
return values
}
/**
* For displaying all allowed options in an enum.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export const buildAllowedMessage = (t: any): string => {
const values = enumToArray(t)
return `Allowed value${values.length === 1 ? " is" : "s are"} ${values.map((t) => `'${t}'`).join(", ")}`
}
export const isObject = <T extends object>(obj: T): obj is T => {
return !Array.isArray(obj) && typeof obj === "object" && obj !== null
}
/**
* Extend a with b and return a new object. Properties with objects will be
* recursively merged while all other properties are just overwritten.
*/
export function extend<A, B>(a: A, b: B): A & B
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function extend(...args: any[]): any {
const c = {} as any // eslint-disable-line @typescript-eslint/no-explicit-any
for (const obj of args) {
if (!isObject(obj)) {
continue
}
for (const key in obj) {
c[key] = isObject(obj[key]) ? extend(c[key], obj[key]) : obj[key]
}
}
return c
}