81 lines
1.8 KiB
JavaScript
81 lines
1.8 KiB
JavaScript
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'use strict';
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const os = require('os');
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const execa = require('execa');
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const mem = require('mem');
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const getEnvironmentVariable = () => {
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const {env} = process;
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return (
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env.SUDO_USER ||
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env.C9_USER /* Cloud9 */ ||
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env.LOGNAME ||
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env.USER ||
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env.LNAME ||
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env.USERNAME
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);
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};
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const getUsernameFromOsUserInfo = () => {
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try {
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return os.userInfo().username;
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} catch (_) {}
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};
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const cleanWindowsCommand = string => string.replace(/^.*\\/, '');
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const makeUsernameFromId = userId => `no-username-${userId}`;
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module.exports = mem(async () => {
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const envVariable = getEnvironmentVariable();
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if (envVariable) {
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return envVariable;
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}
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const userInfoUsername = getUsernameFromOsUserInfo();
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if (userInfoUsername) {
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return userInfoUsername;
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}
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/**
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First we try to get the ID of the user and then the actual username. We do this because in `docker run --user <uid>:<gid>` context, we don't have "username" available. Therefore, we have a fallback to `makeUsernameFromId` for such scenario. Applies also to the `sync()` method below.
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*/
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try {
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if (process.platform === 'win32') {
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return cleanWindowsCommand(await execa.stdout('whoami'));
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}
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const userId = await execa.stdout('id', ['-u']);
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try {
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return await execa.stdout('id', ['-un', userId]);
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} catch (_) {}
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return makeUsernameFromId(userId);
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} catch (_) {}
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});
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module.exports.sync = mem(() => {
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const envVariable = getEnvironmentVariable();
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if (envVariable) {
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return envVariable;
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}
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const userInfoUsername = getUsernameFromOsUserInfo();
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if (userInfoUsername) {
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return userInfoUsername;
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}
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try {
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if (process.platform === 'win32') {
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return cleanWindowsCommand(execa.sync('whoami').stdout);
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}
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const userId = execa.sync('id', ['-u']).stdout;
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try {
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return execa.sync('id', ['-un', userId]).stdout;
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} catch (_) {}
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return makeUsernameFromId(userId);
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} catch (_) {}
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});
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