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'use strict'
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const fs = require('fs')
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const path = require('path')
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const {merge, cloneDeep} = require('lodash')
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const deepFreeze = require('deep-freeze')
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const {Environment, Permission} = require('./enum')
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const appRootPath = path.join(__dirname, '../../')
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const env = process.env.NODE_ENV || Environment.development
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const debugConfig = {
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debug: (env === Environment.development)
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}
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const packageConfig = {
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version: '0.5.1',
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minimumCompatibleVersion: '0.5.0'
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}
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const configFilePath = path.join(__dirname, '../../config.json')
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/**
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*
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* new Config().setEnv('test').setConfigFile().Build()
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* @class Config
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*/
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class ConfigBuilder {
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constructor(){
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this.configFilePath = path.join(appRootPath, 'config.json')
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this.env = process.env.NODE_ENV || Environment.development
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}
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SetEnv(env){
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if (Environment.hasOwnProperty(env))
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this.env = env
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return this
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}
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SetConfigFile(filePath){
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this.configFilePath = filePath
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this.fileConfig = fs.existsSync(this.configFilePath) ? require(this.configFilePath) : undefined
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return this
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}
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_loadConfig(){
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this.config = require('./default')
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merge(this.config, require('./defaultSSL'))
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merge(this.config, debugConfig)
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merge(this.config, packageConfig)
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if (this.fileConfig && this.fileConfig.hasOwnProperty(this.env))
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merge(this.config, this.fileConfig[this.env])
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merge(this.config, require('./oldEnvironment'))
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merge(this.config, require('./environment'))
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merge(this.config, require('./dockerSecret'))
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}
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_postLoadConfig(){
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// load LDAP CA
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if (this.config.ldap.tlsca) {
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let ca = this.config.ldap.tlsca.split(',')
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let caContent = []
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for (let i of ca) {
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if (fs.existsSync(i)) {
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caContent.push(fs.readFileSync(i, 'utf8'))
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}
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}
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let tlsOptions = {
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ca: caContent
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}
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this.config.ldap.tlsOptions = this.config.ldap.tlsOptions ? Object.assign(this.config.ldap.tlsOptions, tlsOptions) : tlsOptions
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}
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// Permission
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this.config.permission = Permission
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if (!this.config.allowanonymous) {
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delete this.config.permission.freely
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}
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if (!(this.config.defaultpermission in this.config.permission)) {
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this.config.defaultpermission = this.config.permission.editable
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}
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// cache result, cannot change config in runtime!!!
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this.config.isStandardHTTPsPort = (() => {
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return this.config.usessl && this.config.port === 443
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})()
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this.config.isStandardHTTPPort = (() => {
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return !this.config.usessl && this.config.port === 80
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})()
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// cache serverURL
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this.config.serverurl = (() => {
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var url = ''
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if (this.config.domain) {
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var protocol = this.config.protocolusessl ? 'https://' : 'http://'
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url = protocol + this.config.domain
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if (this.config.urladdport) {
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if (!this.config.isStandardHTTPPort || !this.config.isStandardHTTPsPort) {
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url += ':' + this.config.port
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}
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}
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}
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if (this.config.urlpath) {
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url += '/' + this.config.urlpath
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}
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return url
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})()
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this.config.Environment = Environment
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// auth method
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this.config.isFacebookEnable = this.config.facebook.clientID && this.config.facebook.clientSecret
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this.config.isGoogleEnable = this.config.google.clientID && this.config.google.clientSecret
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this.config.isDropboxEnable = this.config.dropbox.clientID && this.config.dropbox.clientSecret
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this.config.isTwitterEnable = this.config.twitter.consumerKey && this.config.twitter.consumerSecret
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this.config.isEmailEnable = this.config.email
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this.config.isGitHubEnable = this.config.github.clientID && this.config.github.clientSecret
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this.config.isGitLabEnable = this.config.gitlab.clientID && this.config.gitlab.clientSecret
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this.config.isLDAPEnable = this.config.ldap.url
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// generate correct path
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this.config.sslcapath = path.join(appRootPath, this.config.sslcapath)
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this.config.sslcertpath = path.join(appRootPath, this.config.sslcertpath)
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this.config.sslkeypath = path.join(appRootPath, this.config.sslkeypath)
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this.config.dhparampath = path.join(appRootPath, this.config.dhparampath)
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this.config.tmppath = path.join(appRootPath, this.config.tmppath)
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this.config.defaultnotepath = path.join(appRootPath, this.config.defaultnotepath)
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this.config.docspath = path.join(appRootPath, this.config.docspath)
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this.config.indexpath = path.join(appRootPath, this.config.indexpath)
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this.config.hackmdpath = path.join(appRootPath, this.config.hackmdpath)
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this.config.errorpath = path.join(appRootPath, this.config.errorpath)
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this.config.prettypath = path.join(appRootPath, this.config.prettypath)
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this.config.slidepath = path.join(appRootPath, this.config.slidepath)
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}
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Build(){
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this._loadConfig();
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this._postLoadConfig();
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let config = cloneDeep(this.config)
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return deepFreeze(config)
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}
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}
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module.exports = ConfigBuilder
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