mirror of
https://github.com/shivammathur/setup-php.git
synced 2024-11-23 04:11:06 +07:00
124 lines
3.2 KiB
JavaScript
124 lines
3.2 KiB
JavaScript
/*
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* Copyright 2016, Joyent, Inc. All rights reserved.
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* Author: Alex Wilson <alex.wilson@joyent.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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module.exports = {
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getPass: getPass
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};
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const mod_tty = require('tty');
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const mod_fs = require('fs');
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const mod_assert = require('assert-plus');
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var BACKSPACE = String.fromCharCode(127);
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var CTRLC = '\u0003';
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var CTRLD = '\u0004';
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function getPass(opts, cb) {
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if (typeof (opts) === 'function' && cb === undefined) {
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cb = opts;
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opts = {};
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}
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mod_assert.object(opts, 'options');
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mod_assert.func(cb, 'callback');
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mod_assert.optionalString(opts.prompt, 'options.prompt');
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if (opts.prompt === undefined)
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opts.prompt = 'Password';
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openTTY(function (err, rfd, wfd, rtty, wtty) {
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if (err) {
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cb(err);
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return;
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}
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wtty.write(opts.prompt + ':');
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rtty.resume();
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rtty.setRawMode(true);
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rtty.resume();
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rtty.setEncoding('utf8');
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var pw = '';
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rtty.on('data', onData);
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function onData(data) {
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var str = data.toString('utf8');
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for (var i = 0; i < str.length; ++i) {
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var ch = str[i];
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switch (ch) {
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case '\r':
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case '\n':
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case CTRLD:
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cleanup();
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cb(null, pw);
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return;
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case CTRLC:
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cleanup();
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cb(new Error('Aborted'));
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return;
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case BACKSPACE:
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pw = pw.slice(0, pw.length - 1);
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break;
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default:
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pw += ch;
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break;
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}
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}
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}
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function cleanup() {
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wtty.write('\r\n');
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rtty.setRawMode(false);
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rtty.pause();
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rtty.removeListener('data', onData);
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if (wfd !== undefined && wfd !== rfd) {
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wtty.end();
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mod_fs.closeSync(wfd);
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}
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if (rfd !== undefined) {
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rtty.end();
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mod_fs.closeSync(rfd);
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}
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}
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});
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}
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function openTTY(cb) {
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mod_fs.open('/dev/tty', 'r+', function (err, rttyfd) {
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if ((err && (err.code === 'ENOENT' || err.code === 'EACCES')) ||
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(process.version.match(/^v0[.][0-8][.]/))) {
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cb(null, undefined, undefined, process.stdin,
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process.stdout);
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return;
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}
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var rtty = new mod_tty.ReadStream(rttyfd);
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mod_fs.open('/dev/tty', 'w+', function (err3, wttyfd) {
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var wtty = new mod_tty.WriteStream(wttyfd);
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if (err3) {
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cb(err3);
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return;
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}
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cb(null, rttyfd, wttyfd, rtty, wtty);
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});
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});
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}
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