/
app.go
62 lines (50 loc) · 1.91 KB
/
app.go
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//go:generate go-bindata-assetfs static/js
package main
import (
"fmt"
"net/http"
"log"
"os"
"github.com/alecthomas/kingpin"
"github.com/gorilla/mux"
"github.com/skarnecki/gotail/frontend"
"github.com/skarnecki/gotail/pump"
"golang.org/x/net/websocket"
)
var (
filename = kingpin.Arg("filename", "Path to tailed file.").Required().ExistingFile()
number = kingpin.Flag("number", "Starting lines number.").Default("10").Int()
host = kingpin.Flag("host", "Listening host, default 0.0.0.0").Default("0.0.0.0").IP()
port = kingpin.Flag("port", "listening port, default 9001").Default("9001").Int()
cert = kingpin.Flag("cert", "path to cert file (HTTPS)").ExistingFile()
key = kingpin.Flag("key", "path to key file (HTTPS)").ExistingFile()
user = kingpin.Flag("user", "Basic auth user").String()
password = kingpin.Flag("password", "Basic auth password").String()
)
func main() {
logger := log.New(os.Stdout, "logger: ", log.Lshortfile)
kingpin.Parse()
filechannel := make(chan string, 100)
go pump.TailFile(filechannel, *filename)
mainpage := &frontend.MainPage{HTTPSMode: false, BasicAuth: false, UserName: *user, UserPassword: *password}
if *user != "" && *password != "" {
mainpage.BasicAuth = true
}
if *cert != "" && *key != "" {
mainpage.HTTPSMode = true
}
logger.Printf("Basic auth: %t", mainpage.BasicAuth)
logger.Printf("HTTPS: %t", mainpage.HTTPSMode)
handler := pump.WebHandler{Filechannel: filechannel, Buffer: make([]string, *number), BufferSize: *number}
address := fmt.Sprintf("%s:%d", *host, *port)
r := mux.NewRouter()
r.Handle("/", mainpage)
r.Handle("/socket", websocket.Handler(handler.Websocket))
http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(assetFS())))
http.Handle("/", r)
logger.Printf("Listening on %s\n", address)
if *cert != "" && *key != "" {
http.ListenAndServeTLS(address, *cert, *key, nil)
}
http.ListenAndServe(address, nil)
}