1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
import fs from 'fs'
import path from 'path'
import { Tail } from 'tail'
import express from 'express'
import { Config } from './Config'
export type LogLine = {
username: string
message: string
} | null
type Callback = (data: LogLine) => void
class MinecraftHandler {
config: Config
app: express.Application
tail: Tail
constructor(config: Config) {
this.config = config
}
private static fixMinecraftUsername (username: string) {
return username.replace(/(§[A-Z-a-z0-9])/g, '')
}
private parseLogLine (data: string): LogLine {
const ignored = new RegExp(this.config.REGEX_IGNORED_CHAT)
if (ignored.test(data) || data.includes('Rcon connection')) {
if (this.config.DEBUG) console.log('[DEBUG] Line ignored')
return null
}
if (this.config.DEBUG) console.log('[DEBUG] Received ' + data)
const logLineDataRegex = new RegExp(
`${(this.config.REGEX_SERVER_PREFIX || "\\[Server thread/INFO\\]:")} (.*)`
)
// get the part after the log prefix, so all the actual data is here
const logLineData = data.match(logLineDataRegex)
if (!logLineDataRegex.test(data) || !logLineData) {
if (this.config.DEBUG) {
console.log('[DEBUG] Regex could not match the string:')
console.log('Received: "' + data + '", Regex matches lines that start with: "' + this.config.REGEX_SERVER_PREFIX + '"')
}
return null
}
const logLine = logLineData[1]
// the username used for server messages
const serverUsername = `${this.config.SERVER_NAME} - Server`
if (logLine.startsWith('<')) {
if (this.config.DEBUG){
console.log('[DEBUG]: A player sent a chat message')
}
const re = new RegExp(this.config.REGEX_MATCH_CHAT_MC)
const matches = logLine.match(re)
if (!matches) {
console.log('[ERROR] Could not parse message: ' + logLine)
return null
}
const username = MinecraftHandler.fixMinecraftUsername(matches[1])
const message = matches[2]
if (this.config.DEBUG) {
console.log('[DEBUG] Username: ' + matches[1])
console.log('[DEBUG] Text: ' + matches[2])
}
return { username, message }
} else if (
this.config.SHOW_PLAYER_CONN_STAT && (
logLine.includes('left the game') ||
logLine.includes('joined the game')
)
) {
// handle disconnection etc.
if (this.config.DEBUG){
console.log(`[DEBUG]: A player's connection status changed`)
}
return { username: serverUsername, message: logLine }
} else if (this.config.SHOW_PLAYER_ADVANCEMENT && logLine.includes('made the advancement')) {
// handle advancements
if (this.config.DEBUG){
console.log('[DEBUG] A player has made an advancement')
}
return { username: `${this.config.SERVER_NAME} - Server`, message: logLine }
} else if (this.config.SHOW_PLAYER_ME && logLine.startsWith('* ')) {
// /me commands have the bolded name and the action they did
const usernameMatch = data.match(/: \* ([a-zA-Z0-9_]{1,16}) (.*)/)
if (usernameMatch) {
const username = usernameMatch[1]
const rest = usernameMatch[2]
return { username: serverUsername, message: `**${username}** ${rest}` }
}
} else if (this.config.SHOW_PLAYER_DEATH) {
for (let word of this.config.DEATH_KEY_WORDS){
if (data.includes(word)){
if (this.config.DEBUG) {
console.log(
`[DEBUG] A player died. Matched key word "${word}"`
)
}
return { username: serverUsername, message: logLine }
}
}
}
return null
}
private initWebServer (callback: Callback) {
// init the webserver
this.app = express()
this.app.use((request, response, next) => {
request.rawBody = ''
request.setEncoding('utf8')
request.on('data', (chunk: string) => {
request.rawBody += chunk
})
request.on('end', function () {
next()
})
})
this.app.post(this.config.WEBHOOK, (req, res) => {
if (req.rawBody) {
const logLine = this.parseLogLine(req.rawBody)
callback(logLine)
}
res.json({ received: true })
})
const port: number = Number(process.env.PORT) || this.config.PORT
this.app.listen(port, () => {
console.log('[INFO] Bot listening on *:' + port)
if (!this.config.IS_LOCAL_FILE && this.config.SHOW_INIT_MESSAGE) {
// in case someone inputs the actual path and url in the config here...
let mcPath: string = this.config.PATH_TO_MINECRAFT_SERVER_INSTALL || 'PATH_TO_MINECRAFT_SERVER_INSTALL'
const url: string = this.config.YOUR_URL || 'YOUR_URL'
const defaultPath = mcPath === 'PATH_TO_MINECRAFT_SERVER_INSTALL'
const defaultUrl = url === 'YOUR_URL'
console.log('[INFO] Please enter the following command on your server running the Minecraft server:')
if (defaultPath) {
console.log(' Replace "PATH_TO_MINECRAFT_SERVER_INSTALL" with the path to your Minecraft server install' + (defaultUrl ? ' and "YOUR_URL" with the URL/IP of the server running Shulker.' : ''))
} else {
if (defaultUrl) console.log(' Replace "YOUR_URL" with the URL/IP of the server running Shulker')
}
mcPath = (defaultPath ? '/' : '') + path.join(mcPath, '/logs/latest.log')
let grepMatch = ': <'
if (this.config.SHOW_PLAYER_DEATH || this.config.SHOW_PLAYER_ME || this.config.SHOW_PLAYER_ADVANCEMENT || this.config.SHOW_PLAYER_CONN_STAT) {
grepMatch = this.config.REGEX_SERVER_PREFIX
}
console.log(` \`tail -F ${mcPath} | grep --line-buffered "${grepMatch}" | while read x ; do echo -ne $x | curl -X POST -d @- http://${url}:${port}${this.config.WEBHOOK} ; done\``)
if (grepMatch !== ': <') {
console.log(' Please note that the above command can send a lot of requests to the server. Disable the non-text messages (such as "SHOW_PLAYER_CONN_STAT") to reduce this if necessary.')
}
}
})
}
private initTail (callback: Callback) {
if (fs.existsSync(this.config.LOCAL_FILE_PATH)) {
console.log(`[INFO] Using configuration for local log file at "${this.config.LOCAL_FILE_PATH}"`)
this.tail = new Tail(this.config.LOCAL_FILE_PATH, {useWatchFile: true})
} else {
throw new Error(`[ERROR] Local log file not found at "${this.config.LOCAL_FILE_PATH}"`)
}
this.tail.on('line', (data: string) => {
// Parse the line to see if we care about it
let logLine = this.parseLogLine(data)
if (data) {
callback(logLine)
}
})
this.tail.on('error', (error: any) => {
console.log('[ERROR] Error tailing log file: ' + error)
})
}
public init (callback: Callback) {
if (this.config.IS_LOCAL_FILE) {
this.initTail(callback)
} else {
this.initWebServer(callback)
}
}
}
export default MinecraftHandler
|