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prompt.js
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prompt.js
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'use strict'
var
dwServer = require('dw-webdav'),
read = require('read')
if (!process.stdin.isTTY){
// readline won't work properly, just read lines, and warn user that passwords will be in the clear;
read = (config, cb) => {
let input = config.input || process.stdin
let output = config.output || process.stdout
let prompt = config.prompt
let dataCB = (data) => {
input.removeListener('data',dataCB) // remove listener;
// remove trailing newline;
data = data.trim();
if (!data.length){
data = config.default
}
cb(null, data)
}
if (config.silent){
console.log('WARNING: the following field will not be hidden')
}
output.write(`${prompt} ` + (config['default'] ? `(${config.default}) ` : ''))
input.on('data', dataCB);
input.resume();
input.setEncoding('utf8');
}
}
function getHostname(config){
return new Promise((resolve, reject) => {
read({
'prompt' : 'Hostname:',
'default': config.hostname
},(err, value) => {
if (err){
reject(err)
return
}
config.hostname = value
resolve(config)
})
})
}
function getUsername(config){
return new Promise((resolve, reject) => {
read({
'prompt' : 'Username:',
'default': config.username
},(err, value) => {
if (err){
reject(err)
return
}
config.username = value
resolve(config)
})
})
}
function getPassword(config){
return new Promise((resolve, reject) => {
read({
'terminal': true,
'silent' : true,
'replace' : '\u2022',
'prompt' : 'Password:',
},(err, value) => {
if (err){
reject(err)
return
}
resolve(Object.assign({}, config, {password : value}));
})
})
}
function getVersion(config){
return new Promise((resolve, reject) => {
read({
'prompt' : 'Version:',
'default': config.version || 'version1'
},(err, value) => {
if (err){
reject(err)
return
}
config.version = value
resolve(config)
})
})
}
function getCartridges(config){
return new Promise((resolve, reject) => {
read({
'prompt' : 'Cartridge Path:',
'default': config.cartridges || 'cartridges'
},(err, value) => {
if (err){
reject(err)
return
}
config.cartridges = value
resolve(config)
})
})
}
function init(config){
function creds(error){
if (error == 'EXIT') return Promise.reject('EXIT');
if (error) {
console.log('Error: ', error)
}
return getHostname(config)
.then(getUsername)
.then(getPassword)
.catch((e) => Promise.reject('EXIT'))
.then((config) => {
process.stdout.write('Checking Credentials ... ');
var server = new dwServer(config.hostname, 'dw-utils', config.username, config.password)
return server.auth().then(() => {
console.log('Authenticated!');
return config
})
})
}
return creds()
.catch(creds)
.then(getVersion)
.then(getCartridges)
}
module.exports.init = init
module.exports.getHostname = getHostname
module.exports.getUsername = getUsername
module.exports.getPassword = getPassword
module.exports.getVersion = getVersion
module.exports.getCartridges = getCartridges