Intel2Noise/research/intel2noise.go
2022-10-17 19:39:06 +02:00

149 lines
3.8 KiB
Go
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package main
import (
"flag"
"fmt"
"strings"
"github.com/nxadm/tail"
)
// ParseChat Parses a string, returns the payload of the chat
// *sigh*
// This took effing forever to get right.
// "Lets start with Regex, cannot go wrong".
// You have this string:
// <20><>[ 2022.02.09 10:05:43 ] Kaysee Guru > EX-GBT clr nd
// Cool. Looks easy.
// .*\[ (.*?) (.*?) \] (.*?) > (.*)
// regex101.com says its good
// And no matter what I do just does not work for some magical reason.
//
// Lets do this with splitting by space and compare it with that. Do a bunch of ifs, it works in test aaaaaand....
// It doesn't work.
//
// By now I have a somewhat reliable version, but it fails to look for the word MOTD.
// I should prolly look into runes()
// This is terrible
func ParseChat(chatline string) (LineDate string, LineTime string, LineUser string, Payload []string) {
logLine := chatline[3:]
//var LineDate string
//var LineTime string
//var LineUser string
var LinePayload string
//var Payload []string
var splitpos int
splitpos = strings.Index(logLine, ">")
LineDate = logLine[4:24]
LineTime = logLine[24:42]
LineUser = logLine[46 : splitpos-2]
LinePayload = logLine[splitpos+4:]
LinePayload = shorten(LinePayload)
Payload = strings.Fields(LinePayload)
//fmt.Println(logLine)
//fmt.Println(LineDate)
//fmt.Println(LineTime)
//fmt.Println(LineUser)
//fmt.Println(splitpos)
//fmt.Println(LinePayload)
//fmt.Println(Payload)
return
}
func shorten(payload string) (logLine string) {
runes := []rune(payload)
for pos, char := range runes {
if pos%2 == 0 && char != 13 {
logLine = logLine + string(char)
}
}
return
}
// CompareElements Compares a log msg with systems we wish to track
func CompareElements(alerts []string, payload []string) bool {
for _, word := range payload {
for _, alert := range alerts {
if strings.EqualFold(word, alert) {
//fmt.Println("Found (EF): ", alert, "in", word)
return true
} //else {
// fmt.Println(word, "!=", alert)
//}
// In the odd case somebody links "C-V6DQ*"
if len(word) > 6 {
//alert = alert[:len(word)]
word = word[:6]
}
// In case of partials like "C-V"
if len(word) < 6 && len(word) >= 3 {
//word = word[:5]
alert = alert[:len(word)]
}
if strings.EqualFold(word, alert) {
//fmt.Println("Found: ", alert, "in", word)
return true
}
}
}
return false
}
// playBeep Play a beep
// Honestly, I tried to play alert.mp3, but after two executions I got a segfault and thought 0x07 it is!
func playBeep() {
fmt.Print("\a")
}
func main() {
// Deal with parameters first.
LogLocation := flag.String("l", "", "Location of the log-file to track.")
LogSystemsRaw := flag.String("s", "jita,Perimeter,New Caldari,Sobaseki", "comma-seperated list of systems")
//LogAlarm := flag.String("a", "alert.mp3", "Audio file to play when an alert needs to be triggered")
flag.Parse()
// Split the CSV string into different parts
LogSystems := strings.Split(*LogSystemsRaw, ",")
// Do the main loop and start parsing the logfiles
t, err := tail.TailFile(*LogLocation, tail.Config{Follow: true})
if err != nil {
panic(err)
}
for line := range t.Lines {
// Cast a line to a text, trim the trash
logLine := string(line.Text)
logLine = strings.Trim(logLine, "\n")
// Figure out if this is a message we want to deal with
// > is critical in this regard because it is the start of the message
// and everything behind it until it hits ] is the username
splitpos := strings.Index(logLine, ">")
if -1 == splitpos {
continue
}
// Somehow I cannot filter out this stuff.
// EVE System > Channel MOTD
LineDate, LineTime, LineUser, Payload := ParseChat(logLine)
if CompareElements(LogSystems, Payload) {
playBeep()
fmt.Println("On", LineDate, "at", LineTime, "", LineUser, "posted", Payload)
}
}
}