node-ejs-renderer/node_modules/pg-connection-string/index.js
2024-06-09 13:55:01 -04:00

113 lines
2.9 KiB
JavaScript

'use strict'
//Parse method copied from https://github.com/brianc/node-postgres
//Copyright (c) 2010-2014 Brian Carlson (brian.m.carlson@gmail.com)
//MIT License
//parses a connection string
function parse(str) {
//unix socket
if (str.charAt(0) === '/') {
const config = str.split(' ')
return { host: config[0], database: config[1] }
}
// Check for empty host in URL
const config = {}
let result
let dummyHost = false
if (/ |%[^a-f0-9]|%[a-f0-9][^a-f0-9]/i.test(str)) {
// Ensure spaces are encoded as %20
str = encodeURI(str).replace(/\%25(\d\d)/g, '%$1')
}
try {
result = new URL(str, 'postgres://base')
} catch (e) {
// The URL is invalid so try again with a dummy host
result = new URL(str.replace('@/', '@___DUMMY___/'), 'postgres://base')
dummyHost = true
}
// We'd like to use Object.fromEntries() here but Node.js 10 does not support it
for (const entry of result.searchParams.entries()) {
config[entry[0]] = entry[1]
}
config.user = config.user || decodeURIComponent(result.username)
config.password = config.password || decodeURIComponent(result.password)
if (result.protocol == 'socket:') {
config.host = decodeURI(result.pathname)
config.database = result.searchParams.get('db')
config.client_encoding = result.searchParams.get('encoding')
return config
}
const hostname = dummyHost ? '' : result.hostname
if (!config.host) {
// Only set the host if there is no equivalent query param.
config.host = decodeURIComponent(hostname)
} else if (hostname && /^%2f/i.test(hostname)) {
// Only prepend the hostname to the pathname if it is not a URL encoded Unix socket host.
result.pathname = hostname + result.pathname
}
if (!config.port) {
// Only set the port if there is no equivalent query param.
config.port = result.port
}
const pathname = result.pathname.slice(1) || null
config.database = pathname ? decodeURI(pathname) : null
if (config.ssl === 'true' || config.ssl === '1') {
config.ssl = true
}
if (config.ssl === '0') {
config.ssl = false
}
if (config.sslcert || config.sslkey || config.sslrootcert || config.sslmode) {
config.ssl = {}
}
// Only try to load fs if we expect to read from the disk
const fs = config.sslcert || config.sslkey || config.sslrootcert ? require('fs') : null
if (config.sslcert) {
config.ssl.cert = fs.readFileSync(config.sslcert).toString()
}
if (config.sslkey) {
config.ssl.key = fs.readFileSync(config.sslkey).toString()
}
if (config.sslrootcert) {
config.ssl.ca = fs.readFileSync(config.sslrootcert).toString()
}
switch (config.sslmode) {
case 'disable': {
config.ssl = false
break
}
case 'prefer':
case 'require':
case 'verify-ca':
case 'verify-full': {
break
}
case 'no-verify': {
config.ssl.rejectUnauthorized = false
break
}
}
return config
}
module.exports = parse
parse.parse = parse