You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
3.6 KiB
130 lines
3.6 KiB
var _ = require('lodash')
|
|
var url = require('url')
|
|
var ERRORS = require('./errors')
|
|
var logger = require('./logger').getInstance()
|
|
|
|
module.exports = {
|
|
createConfig: createConfig
|
|
}
|
|
|
|
function createConfig(context, opts) {
|
|
// structure of config object to be returned
|
|
var config = {
|
|
context: undefined,
|
|
options: {}
|
|
}
|
|
|
|
// app.use('/api', proxy({target:'http://localhost:9000'}));
|
|
if (isContextless(context, opts)) {
|
|
config.context = '/'
|
|
config.options = _.assign(config.options, context)
|
|
|
|
// app.use('/api', proxy('http://localhost:9000'));
|
|
// app.use(proxy('http://localhost:9000/api'));
|
|
} else if (isStringShortHand(context)) {
|
|
var oUrl = url.parse(context)
|
|
var target = [oUrl.protocol, '//', oUrl.host].join('')
|
|
|
|
config.context = oUrl.pathname || '/'
|
|
config.options = _.assign(config.options, { target: target }, opts)
|
|
|
|
if (oUrl.protocol === 'ws:' || oUrl.protocol === 'wss:') {
|
|
config.options.ws = true
|
|
}
|
|
// app.use('/api', proxy({target:'http://localhost:9000'}));
|
|
} else {
|
|
config.context = context
|
|
config.options = _.assign(config.options, opts)
|
|
}
|
|
|
|
configureLogger(config.options)
|
|
|
|
if (!config.options.target) {
|
|
throw new Error(ERRORS.ERR_CONFIG_FACTORY_TARGET_MISSING)
|
|
}
|
|
|
|
// Legacy option.proxyHost
|
|
config.options = mapLegacyProxyHostOption(config.options)
|
|
|
|
// Legacy option.proxyTable > option.router
|
|
config.options = mapLegacyProxyTableOption(config.options)
|
|
|
|
return config
|
|
}
|
|
|
|
/**
|
|
* Checks if a String only target/config is provided.
|
|
* This can be just the host or with the optional path.
|
|
*
|
|
* @example
|
|
* app.use('/api', proxy('http://localhost:9000'));
|
|
app.use(proxy('http://localhost:9000/api'));
|
|
*
|
|
* @param {String} context [description]
|
|
* @return {Boolean} [description]
|
|
*/
|
|
function isStringShortHand(context) {
|
|
if (_.isString(context)) {
|
|
return !!url.parse(context).host
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if a Object only config is provided, without a context.
|
|
* In this case the all paths will be proxied.
|
|
*
|
|
* @example
|
|
* app.use('/api', proxy({target:'http://localhost:9000'}));
|
|
*
|
|
* @param {Object} context [description]
|
|
* @param {*} opts [description]
|
|
* @return {Boolean} [description]
|
|
*/
|
|
function isContextless(context, opts) {
|
|
return _.isPlainObject(context) && _.isEmpty(opts)
|
|
}
|
|
|
|
function mapLegacyProxyHostOption(options) {
|
|
// set options.headers.host when option.proxyHost is provided
|
|
if (options.proxyHost) {
|
|
logger.warn('*************************************')
|
|
logger.warn('[HPM] Deprecated "option.proxyHost"')
|
|
logger.warn(
|
|
' Use "option.changeOrigin" or "option.headers.host" instead'
|
|
)
|
|
logger.warn(' "option.proxyHost" will be removed in future release.')
|
|
logger.warn('*************************************')
|
|
|
|
options.headers = options.headers || {}
|
|
options.headers.host = options.proxyHost
|
|
}
|
|
|
|
return options
|
|
}
|
|
|
|
// Warn deprecated proxyTable api usage
|
|
function mapLegacyProxyTableOption(options) {
|
|
if (options.proxyTable) {
|
|
logger.warn('*************************************')
|
|
logger.warn('[HPM] Deprecated "option.proxyTable"')
|
|
logger.warn(' Use "option.router" instead')
|
|
logger.warn(' "option.proxyTable" will be removed in future release.')
|
|
logger.warn('*************************************')
|
|
|
|
options.router = _.clone(options.proxyTable)
|
|
_.omit(options, 'proxyTable')
|
|
}
|
|
|
|
return options
|
|
}
|
|
|
|
function configureLogger(options) {
|
|
if (options.logLevel) {
|
|
logger.setLevel(options.logLevel)
|
|
}
|
|
|
|
if (options.logProvider) {
|
|
logger.setProvider(options.logProvider)
|
|
}
|
|
}
|