714 lines
20 KiB
JavaScript
714 lines
20 KiB
JavaScript
import { EventEmitter } from 'events'
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import net from 'net'
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import tls from 'tls'
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import util from 'util'
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import parse from './parser'
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class IRCConnectionHandler {
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constructor (connection) {
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this.conn = connection
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}
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handleUserLine (data) {
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switch (data.command) {
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case 'topic':
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this.conn.write('%s %s', data.command.toUpperCase(), data.arguments[0], (data.message !== '' ? ' :' + data.message : ''))
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break
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case 'kick':
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this.conn.write('%s %s :%s', data.command.toUpperCase(), data.arguments.join(' '), data.message)
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break
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case 'part':
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this.conn.write('%s %s :%s', data.command.toUpperCase(), data.arguments[0], data.message)
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break
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case 'nick':
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case 'whois':
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case 'who':
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case 'names':
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case 'join':
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this.conn.write('%s %s', data.command.toUpperCase(), data.arguments[0])
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break
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case 'quit':
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this.conn.write('%s :%s', data.command.toUpperCase(), (data.message === ''
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? this.conn.globalConfig.default_quit_msg : data.message))
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break
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case 'privmsg':
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this.conn.write('PRIVMSG %s :%s', data.arguments[0], data.message)
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'privmsg',
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to: data.arguments[0],
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user: {
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nickname: this.conn.config.nickname
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},
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message: data.message,
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server: data.server
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})
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break
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case 'notice':
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this.conn.write('NOTICE %s :%s', data.arguments[0], data.message)
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'notice',
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to: data.arguments[0],
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user: {
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nickname: this.conn.config.nickname
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},
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message: data.message,
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server: data.server
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})
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break
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case 'list':
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this.conn.write(data.command.toUpperCase())
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break
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case 'ctcp':
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let ctcpmsg = ''
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if (data.arguments[1].toLowerCase() === 'ping') {
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ctcpmsg = 'PING ' + Math.floor(Date.now() / 1000)
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} else {
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ctcpmsg = data.message
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}
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this.conn.write('PRIVMSG %s :\x01%s\x01', data.arguments[0], ctcpmsg)
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'ctcp_request',
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to: this.conn.config.nickname,
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user: {
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nickname: data.arguments[0]
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},
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message: ctcpmsg,
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server: data.server
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})
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break
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default:
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this.conn.write(data.command.toUpperCase(), data.message)
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}
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if (data.targetType === 'channel' || data.targetType === 'message') {
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this.conn.write('PRIVMSG %s :%s', data.target, data.message)
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'privmsg',
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to: data.target,
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user: {
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nickname: this.conn.config.nickname
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},
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message: data.message,
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server: data.server
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})
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}
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}
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whoisManage (whom, list) {
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if (!this.conn.queue.whois) {
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this.conn.queue.whois = {}
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}
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if (!this.conn.queue.whois[whom]) {
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this.conn.queue.whois[whom] = list
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} else {
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for (let a in list) {
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this.conn.queue.whois[whom][a] = list[a]
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}
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}
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}
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ctcpManage (data) {
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let line = data.trailing.replace(/\x01/g, '').trim().split(' ') /* ignore no-control-regex */
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if (!line[0]) return
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line[0] = line[0].toUpperCase()
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let resp = '\x01' + line[0] + ' %s\x01'
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if (line[0] === 'PING' && line[1] != null && line[1] !== '') {
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resp = util.format(resp, line.slice(1).join(' '))
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} else if (line[0] === 'CLIENTINFO') {
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resp = util.format(resp, 'CLIENTINFO PING ' + Object.keys(this.conn.extras.ctcps).join(' '))
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} else if (this.conn.extras.ctcps && this.conn.extras.ctcps[line[0]] != null) {
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resp = util.format(resp, this.conn.extras.ctcps[line[0]](data, this.conn))
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} else {
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resp = null
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}
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if (resp != null) {
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this.conn.write('NOTICE %s :%s', data.user.nickname, resp)
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}
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return resp != null
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}
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handleServerLine (line) {
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if (this.conn.queue['supportsmsg'] && line.command !== '005') {
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delete this.conn.queue['supportsmsg']
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if (this.conn.config.autojoin.length > 0) {
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for (let t in this.conn.config.autojoin) {
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this.conn.write('JOIN', this.conn.config.autojoin[t])
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}
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}
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this.conn.emit('authenticated', {})
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}
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let serverName = this.conn.config.server
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let realServerName = this.conn.data.actualServer
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if (line.user.nickname === '') {
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realServerName = line.user.hostname
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}
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let list = null
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switch (line.command) {
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case 'error':
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this.conn.emit('connerror', { type: 'irc_error', raw: line.raw })
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break
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case '001':
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this.conn.data.actualServer = line.user.hostname
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break
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case '005':
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if (!this.conn.queue['supportsmsg']) {
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this.conn.queue['supportsmsg'] = true
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}
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this.conn.authenticated = true
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let argv = line.arguments.slice(1)
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for (let a in argv) {
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let t = argv[a]
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if (t.indexOf('=') !== -1) {
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t = t.split('=')
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if (t[0] === 'PREFIX') {
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let d = t[1].match(/\((\w+)\)(.*)/)
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let r = d[1].split('')
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let aa = d[2].split('')
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for (let b in r) {
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this.conn.data.supportedModes[r[b]] = aa[b]
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}
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} else if (t[0] === 'NETWORK') {
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this.conn.data.network = t[1]
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} else if (t[0] === 'CHANNELLEN') {
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this.conn.data.maxChannelLength = parseInt(t[1])
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}
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this.conn.data.serverSupports[t[0]] = t[1]
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} else {
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this.conn.data.serverSupports[t] = true
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}
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}
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break
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case 'JOIN':
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if (line.trailing) {
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this.conn.emit('pass_to_client', {
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type: 'event_join_channel',
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user: line.user,
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channel: line.trailing,
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server: serverName
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})
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} else {
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for (let i in line.arguments) {
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this.conn.emit('pass_to_client', {
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type: 'event_join_channel',
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user: line.user,
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channel: line.arguments[i],
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server: serverName
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})
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}
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}
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break
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case 'PART':
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this.conn.emit('pass_to_client', {
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type: 'event_part_channel',
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user: line.user,
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channel: line.arguments[0],
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reason: line.trailing,
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server: serverName
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})
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break
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case 'QUIT':
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this.conn.emit('pass_to_client', {
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type: 'event_quit',
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user: line.user,
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reason: line.trailing,
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server: serverName
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})
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break
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case '353':
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if (!this.conn.queue['names']) {
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this.conn.queue['names'] = {}
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}
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let splittrail = line.trailing.split(' ')
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for (let a in splittrail) {
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let nick = splittrail[a]
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if (nick.trim() === '') continue
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if (this.conn.queue['names'][line.arguments[2]]) {
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this.conn.queue['names'][line.arguments[2]].push(nick)
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} else {
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this.conn.queue['names'][line.arguments[2]] = [nick]
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}
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}
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break
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case '366':
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if (!this.conn.queue['names']) break
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if (this.conn.queue['names'][line.arguments[1]]) {
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this.conn.emit('pass_to_client', {
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type: 'channel_nicks',
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channel: line.arguments[1],
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nicks: this.conn.queue['names'][line.arguments[1]],
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server: serverName
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})
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delete this.conn.queue['names'][line.arguments[1]]
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}
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if (Object.keys(this.conn.queue['names']).length === 0) {
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delete this.conn.queue['names']
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}
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break
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case 'PRIVMSG':
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if (line.trailing.indexOf('\x01') === 0 && line.trailing.indexOf('\x01ACTION') !== 0) {
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return this.ctcpManage(line)
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}
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if (line.user.nickname !== '') {
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'privmsg',
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to: line.arguments[0],
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user: line.user,
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message: line.trailing,
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server: serverName
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})
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} else {
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this.conn.emit('pass_to_client', {
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type: 'server_message',
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messageType: 'privmsg',
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message: line.trailing,
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server: serverName,
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from: realServerName
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})
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}
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break
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case 'NOTICE':
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if (line.trailing.indexOf('\x01') === 0 && line.trailing.indexOf('\x01ACTION') !== 0) {
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let composethis = line.trailing.replace(/\x01/g, '').trim().split(' ')
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composethis[0] = composethis[0].toUpperCase()
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let message = composethis.join(' ')
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if (composethis[0] === 'PING') {
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message = Math.floor(Date.now() / 1000) - composethis[1] + 's'
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}
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'ctcp_response',
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to: line.arguments[0],
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user: line.user,
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message: message,
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server: serverName
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})
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return
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}
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if (line.user.nickname !== '') {
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this.conn.emit('pass_to_client', {
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type: 'message',
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messageType: 'notice',
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to: line.arguments[0],
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user: line.user,
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message: line.trailing,
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server: serverName
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})
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} else {
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this.conn.emit('pass_to_client', {
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type: 'server_message',
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messageType: 'notice',
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message: line.trailing,
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server: serverName,
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from: realServerName
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})
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}
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break
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case 'NICK':
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if (line.user.nickname === this.conn.config.nickname) {
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this.conn.config.nickname = line.arguments[0]
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}
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this.conn.emit('pass_to_client', {
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type: 'nick_change', nick: line.user.nickname, newNick: line.arguments[0], server: serverName
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})
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break
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case 'KICK':
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this.conn.emit('pass_to_client', {
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type: 'event_kick_channel', user: line.user, channel: line.arguments[0], reason: line.trailing, kickee: line.arguments[1], server: serverName
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})
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break
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case 'TOPIC':
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this.conn.emit('pass_to_client', {
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type: 'channel_topic', channel: line.arguments[0], set_by: line.user.nickname, topic: line.trailing, server: serverName
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})
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break
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case '332':
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this.conn.emit('pass_to_client', {
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type: 'channel_topic', channel: line.arguments[1], topic: line.trailing, server: serverName
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})
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break
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case '333':
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this.conn.emit('pass_to_client', {
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type: 'channel_topic', channel: line.arguments[1], set_by: line.arguments[2], time: line.arguments[3], server: serverName
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})
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break
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case '375':
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case '372':
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case '376':
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this.conn.emit('pass_to_client', {
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type: 'server_message', messageType: 'motd', message: line.trailing, server: serverName, from: realServerName
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})
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break
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case '006':
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case '007':
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case '251':
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case '255':
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case '270':
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case '290':
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case '292':
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case '323':
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case '351':
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case '381':
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this.conn.emit('pass_to_client', {
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type: 'server_message', messageType: 'regular', message: line.trailing, server: serverName, from: realServerName
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})
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break
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case '252':
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case '254':
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case '396':
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case '042':
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this.conn.emit('pass_to_client', {
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type: 'server_message', messageType: 'regular', message: line.arguments[1] + ' ' + line.trailing, server: serverName, from: realServerName
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})
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break
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case '501':
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case '401':
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case '402':
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case '421':
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case '482':
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case '331':
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case '432':
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this.conn.emit('pass_to_client', {
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type: 'message',
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to: null,
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message: line.arguments[1] + ': ' + line.trailing,
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server: serverName,
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user: {
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nickname: realServerName
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},
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messageType: 'error'
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})
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break
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case 'MODE':
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let isChannelMode = false
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let method = '+'
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if (line.arguments[0].indexOf('#') !== -1) {
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isChannelMode = true
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}
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let modes = line.arguments[1]
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if (!modes && line.trailing !== '') {
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modes = line.trailing
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}
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let sender = line.user.nickname
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if (sender === '') {
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sender = line.user.hostname
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}
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method = modes.substring(0, 1)
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modes = modes.substring(1).split('')
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let pass = []
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if (isChannelMode) {
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for (let i in modes) {
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let mode = modes[i]
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if (this.conn.data.supportedModes[mode]) {
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this.conn.emit('pass_to_client', {
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type: 'mode_' + (method === '+' ? 'add' : 'del'),
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target: line.arguments[0],
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mode: mode,
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modeTarget: line.arguments[2 + parseInt(i)],
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server: serverName,
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user: {
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nickname: sender
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}
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})
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} else {
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pass.push(mode)
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}
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}
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} else {
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pass = modes
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}
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if (pass.length > 0) {
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this.conn.emit('pass_to_client', {
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type: 'mode',
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target: line.arguments[0],
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message: method + pass.join(''),
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server: serverName,
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user: {
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nickname: sender
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}
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})
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}
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break
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case '433':
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let newNick = this.conn.config.nickname + '_'
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this.conn.write('NICK ' + newNick)
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this.conn.config.nickname = newNick
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break
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case '311':
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// start whois queue
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list = {
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nickname: line.arguments[1],
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hostmask: '%s!%s@%s'.format(line.arguments[1], line.arguments[2], line.arguments[3]),
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realname: line.trailing || ''
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '319':
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// whois: channels
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list = {
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channels: line.trailing.split(' ')
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '378':
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list = {
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connectingFrom: line.trailing
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '379':
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list = {
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usingModes: line.trailing
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '312':
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list = {
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server: line.arguments[2],
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server_name: line.trailing || ''
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '313':
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list = {
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title: line.trailing
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '330':
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list = {
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loggedIn: line.trailing + ' ' + line.arguments[2]
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '335':
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list = {
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bot: true
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '307':
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list = {
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registered: line.trailing
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '671':
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list = {
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secure: true
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}
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this.whoisManage(line.arguments[1], list)
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break
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case '317':
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list = {
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signonTime: line.arguments[3],
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idleSeconds: line.arguments[2]
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}
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this.whoisManage(line.arguments[1], list)
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break
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|
case '318':
|
|
if (!this.conn.queue.whois || !this.conn.queue.whois[line.arguments[1]]) return
|
|
|
|
this.conn.emit('pass_to_client', {
|
|
type: 'whoisResponse',
|
|
whois: this.conn.queue.whois[line.arguments[1]],
|
|
server: serverName,
|
|
from: realServerName
|
|
})
|
|
|
|
delete this.conn.queue.whois[line.arguments[1]]
|
|
break
|
|
case '321':
|
|
this.conn.emit('pass_to_client', {
|
|
type: 'listedchan',
|
|
channel: 'Channel',
|
|
users: 'Users',
|
|
topic: 'Topic',
|
|
server: serverName,
|
|
from: realServerName
|
|
})
|
|
break
|
|
case '322':
|
|
this.conn.emit('pass_to_client', {
|
|
type: 'listedchan',
|
|
channel: line.arguments[1],
|
|
users: line.arguments[2],
|
|
topic: line.trailing,
|
|
server: serverName,
|
|
from: realServerName
|
|
})
|
|
break
|
|
case 'CAP':
|
|
// might come in the future, who knows
|
|
this.conn.write('CAP END')
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
class IRCConnection extends EventEmitter {
|
|
constructor (providedInfo, globalConfig, extras) {
|
|
super()
|
|
|
|
this.globalConfig = globalConfig
|
|
this.extras = extras || { authenticationSteps: [], ctcps: {} }
|
|
this.config = {
|
|
nickname: 'teemant',
|
|
username: globalConfig.username,
|
|
realname: globalConfig.realname,
|
|
server: 'localhost',
|
|
port: 6667,
|
|
autojoin: [],
|
|
secure: globalConfig.secure_by_default,
|
|
password: '',
|
|
address: providedInfo.server,
|
|
rejectUnauthorized: globalConfig.rejectUnauthorizedCertificates
|
|
}
|
|
|
|
for (let a in providedInfo) {
|
|
this.config[a] = providedInfo[a]
|
|
}
|
|
|
|
this.socket = null
|
|
this.connected = false
|
|
this.authenticated = false
|
|
|
|
this.handler = new IRCConnectionHandler(this)
|
|
|
|
this.data = {
|
|
serverSupports: {},
|
|
network: this.config.server,
|
|
actualServer: this.config.server,
|
|
maxChannelLength: 64,
|
|
supportedModes: {}
|
|
}
|
|
this.authorizationError = ''
|
|
this.queue = {}
|
|
}
|
|
|
|
connect () {
|
|
this.socket = (this.config.secure ? tls : net).connect({
|
|
port: this.config.port,
|
|
host: this.config.server,
|
|
rejectUnauthorized: this.config.rejectUnauthorized
|
|
}, () => {
|
|
this.connected = true
|
|
this.authenticate()
|
|
})
|
|
|
|
this.socket.setEncoding(this.globalConfig.encoding)
|
|
this.socket.setTimeout(this.globalConfig.timeout)
|
|
|
|
this.socket.on('error', (data) => {
|
|
this.emit('connerror', { type: 'sock_error', message: 'A socket error occured.', raw: data })
|
|
})
|
|
|
|
this.socket.on('lookup', (err, address, family, host) => {
|
|
if (err) {
|
|
this.emit('connerror', { type: 'resolve_error', message: 'Failed to resolve host.' })
|
|
} else {
|
|
this.emit('lookup', { address: address, family: address, host: host })
|
|
this.config.address = address
|
|
}
|
|
})
|
|
|
|
let buffer = ''
|
|
this.socket.on('data', (chunk) => {
|
|
buffer += chunk
|
|
let data = buffer.split('\r\n')
|
|
buffer = data.pop()
|
|
data.forEach((line) => {
|
|
if (line.indexOf('PING') === 0) {
|
|
this.socket.write('PONG %s\r\n', line.substring(4))
|
|
return
|
|
}
|
|
|
|
this.emit('raw', line)
|
|
|
|
let parsed = parse(line)
|
|
this.emit('line', parsed)
|
|
this.handler.handleServerLine(parsed)
|
|
})
|
|
})
|
|
|
|
this.socket.on('close', (data) => {
|
|
if (!this.queue['close']) {
|
|
this.emit('closed', { type: 'sock_closed', raw: data, message: 'Connection closed.' })
|
|
}
|
|
|
|
this.connected = false
|
|
this.authenticated = false
|
|
})
|
|
}
|
|
|
|
authenticate () {
|
|
if (this.config.password) {
|
|
this.socket.write('PASS %s\r\n', this.config.password)
|
|
}
|
|
|
|
if (this.extras.authenticationSteps) {
|
|
for (let i in this.extras.authenticationSteps) {
|
|
let step = this.extras.authenticationSteps[i]
|
|
step.authenticate(this)
|
|
}
|
|
}
|
|
|
|
this.socket.write('USER %s 8 * :%s\r\n', this.config.username, this.config.realname)
|
|
this.socket.write('NICK %s\r\n', this.config.nickname)
|
|
}
|
|
|
|
disconnect (message) {
|
|
if (!this.connected) {
|
|
this.emit('connerror', { type: 'sock_closed', message: 'Connection already closed.' })
|
|
return
|
|
}
|
|
|
|
this.queue['close'] = true
|
|
this.socket.write('QUIT :%s\r\n', (message != null ? message : this.globalConfig.default_quit_msg))
|
|
}
|
|
|
|
write () {
|
|
let message = util.format.apply(null, arguments)
|
|
if (!this.connected) {
|
|
return this.emit('connerror', { type: 'sock_closed', message: 'Connection is closed.' })
|
|
}
|
|
|
|
this.socket.write(message + '\r\n')
|
|
}
|
|
}
|
|
|
|
module.exports = IRCConnection
|