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main.go
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main.go
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package main
import (
"flag"
"fmt"
"os"
"runtime"
"sort"
"strconv"
"strings"
"time"
"github.com/cghdev/gotunl/pkg/gotunl"
"github.com/olekukonko/tablewriter"
"github.com/tidwall/gjson"
)
var version = "1.2.4"
var color = map[string]string{
"red": "\x1b[31;1m",
"green": "\x1b[32;1m",
"reset": "\x1b[0m"}
type connections struct {
id int
name string
status string
timestamp int64
clientAddr string
serverAddr string
}
func listConnections(gt *gotunl.Gotunl, output string) { // add output format as json?
if len(gt.Profiles) == 0 {
fmt.Println("No profiles found in Pritunl")
os.Exit(1)
}
cons := gt.GetConnections()
c := []connections{}
stdis := ""
stcon := ""
anycon := false
for pid, p := range gt.Profiles {
ptmp := connections{}
if runtime.GOOS != "windows" {
stdis = color["red"] + "Disconnected" + color["reset"]
stcon = color["green"] + "Connected" + color["reset"]
} else {
stdis = "Disconnected"
stcon = "Connected"
}
ptmp.status = stdis
ptmp.name = gjson.Get(p.Conf, "name").String()
ptmp.id = p.ID
if strings.Contains(cons, pid) {
ptmp.status = strings.Title(gjson.Get(cons, pid+".status").String())
ptmp.serverAddr = gjson.Get(cons, pid+".server_addr").String()
ptmp.clientAddr = gjson.Get(cons, pid+".client_addr").String()
ptmp.timestamp = gjson.Get(cons, pid+".timestamp").Int()
if ptmp.status == "Connected" {
ptmp.status = stcon
anycon = true
}
}
c = append(c, ptmp)
}
sort.SliceStable(c, func(i, j int) bool {
return c[i].id < c[j].id
})
table := tablewriter.NewWriter(os.Stdout)
if anycon {
table.SetHeader([]string{"ID", "Name", "Status", "Connected for", "Client IP", "Server IP"})
} else {
table.SetHeader([]string{"ID", "Name", "Status"})
}
setOutputFormat(table, output)
for _, p := range c {
since := ""
if p.timestamp > 0 {
ts := time.Unix(p.timestamp, 0)
since = formatSince(ts)
}
pid := strconv.Itoa(p.id)
if anycon {
table.Append([]string{pid, p.name, p.status, since, p.clientAddr, p.serverAddr})
} else {
table.Append([]string{pid, p.name, p.status})
}
}
table.Render()
}
func setOutputFormat(tbl *tablewriter.Table, output string) *tablewriter.Table {
switch output {
case "tsv":
tbl.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
tbl.SetAlignment(tablewriter.ALIGN_LEFT)
tbl.SetCenterSeparator("")
tbl.SetColumnSeparator("\t")
tbl.SetRowSeparator("")
tbl.SetHeaderLine(false)
tbl.SetBorder(false)
tbl.SetTablePadding("\t")
tbl.SetAutoFormatHeaders(true)
tbl.SetAutoWrapText(false)
tbl.SetAutoFormatHeaders(false)
case "table":
tbl.SetAutoFormatHeaders(false)
default:
fmt.Println("Define output format")
os.Exit(1)
}
return tbl
}
func disconnect(gt *gotunl.Gotunl, id string) {
if id == "all" {
gt.StopConnections()
} else {
for pid, p := range gt.Profiles {
if id == gjson.Get(p.Conf, "name").String() || id == strconv.Itoa(p.ID) {
gt.DisconnectProfile(pid)
}
}
}
}
func connect(gt *gotunl.Gotunl, id string) {
for pid, p := range gt.Profiles {
if id == gjson.Get(p.Conf, "name").String() || id == strconv.Itoa(p.ID) {
gt.ConnectProfile(pid, "", "")
}
}
}
func formatSince(t time.Time) string {
Day := 24 * time.Hour
ts := time.Since(t)
sign := time.Duration(1)
var days, hours, minutes, seconds string
if ts < 0 {
sign = -1
ts = -ts
}
d := sign * (ts / Day)
ts = ts % Day
h := ts / time.Hour
ts = ts % time.Hour
m := ts / time.Minute
ts = ts % time.Minute
s := ts / time.Second
if d > 0 {
days = fmt.Sprintf("%d days ", d)
}
if h > 0 {
hours = fmt.Sprintf("%d hrs ", h)
}
if m > 0 {
minutes = fmt.Sprintf("%d mins ", m)
}
seconds = fmt.Sprintf("%d secs", s)
return fmt.Sprintf("%v%v%v%v", days, hours, minutes, seconds)
}
func usage(a *flag.Flag) {
if a.Name == "l" || a.Name == "v" {
fmt.Printf(" -%v \t\t%v\n", a.Name, a.Usage)
} else if a.Name == "o" {
fmt.Printf(" -%v <output>\t%v\n", a.Name, a.Usage)
} else {
fmt.Printf(" -%v <profile>\t%v\n", a.Name, a.Usage)
}
}
func main() {
gt := *gotunl.New()
flag.Usage = func() {
fmt.Print("Pritunl command line client\n\n")
fmt.Println("Usage:")
flag.VisitAll(usage)
}
l := flag.Bool("l", false, "List connections")
c := flag.String("c", "", "Connect to profile ID or Name")
d := flag.String("d", "", "Disconnect profile or \"all\"")
o := flag.String("o", "table", "Output format table|tsv (default is table)")
v := flag.Bool("v", false, "Show version")
flag.Parse()
if len(os.Args) < 2 {
flag.Usage()
os.Exit(1)
}
if *l {
listConnections(>, *o)
os.Exit(0)
}
if *c != "" {
connect(>, *c)
os.Exit(0)
}
if *d != "" {
disconnect(>, *d)
os.Exit(0)
}
if *v {
fmt.Println(version)
}
os.Exit(1)
}