Zoraxy/start.go

package main

import (
	"log"
	"net/http"
	"strconv"
	"strings"
	"time"

	"imuslab.com/zoraxy/mod/auth"
	"imuslab.com/zoraxy/mod/database"
	"imuslab.com/zoraxy/mod/dynamicproxy/redirection"
	"imuslab.com/zoraxy/mod/geodb"
	"imuslab.com/zoraxy/mod/mdns"
	"imuslab.com/zoraxy/mod/statistic"
	"imuslab.com/zoraxy/mod/tlscert"
)

/*
	Startup Sequence

	This function starts the startup sequence of all
	required modules
*/

var (
	/*
		MDNS related
	*/
	previousmdnsScanResults = []*mdns.NetworkHost{}
	mdnsTickerStop          chan bool
)

func startupSequence() {
	//Create database
	db, err := database.NewDatabase("sys.db", false)
	if err != nil {
		log.Fatal(err)
	}
	sysdb = db
	//Create tables for the database
	sysdb.NewTable("settings")

	//Create an auth agent
	sessionKey, err := auth.GetSessionKey(sysdb)
	if err != nil {
		log.Fatal(err)
	}
	authAgent = auth.NewAuthenticationAgent(name, []byte(sessionKey), sysdb, true, func(w http.ResponseWriter, r *http.Request) {
		//Not logged in. Redirecting to login page
		http.Redirect(w, r, "/login.html", http.StatusTemporaryRedirect)
	})

	//Create a TLS certificate manager
	tlsCertManager, err = tlscert.NewManager("./certs")
	if err != nil {
		panic(err)
	}

	//Create a redirection rule table
	redirectTable, err = redirection.NewRuleTable("./rules")
	if err != nil {
		panic(err)
	}

	//Create a geodb store
	geodbStore, err = geodb.NewGeoDb(sysdb, "./system/GeoLite2-Country.mmdb")
	if err != nil {
		panic(err)
	}

	//Create a statistic collector
	statisticCollector, err = statistic.NewStatisticCollector(statistic.CollectorOption{
		Database: sysdb,
	})
	if err != nil {
		panic(err)
	}

	if err != nil {
		panic(err)
	}

	//Create a mdns discoverer
	portInt, err := strconv.Atoi(strings.Split(handler.Port, ":")[1])
	if err != nil {
		portInt = 8000
	}
	mdnsScanner, err = mdns.NewMDNS(mdns.NetworkHost{
		HostName:     "zoraxy_" + nodeUUID,
		Port:         portInt,
		Domain:       "zoraxy.imuslab.com",
		Model:        "Network Gateway",
		UUID:         nodeUUID,
		Vendor:       "imuslab.com",
		BuildVersion: version,
	}, "")
	if err != nil {
		panic(err)
	}

	//Start initial scanning
	go func() {
		hosts := mdnsScanner.Scan(30, "")
		previousmdnsScanResults = hosts
		log.Println("mDNS Startup scan completed")
	}()

	//Create a ticker to update mDNS results every 5 minutes
	ticker := time.NewTicker(15 * time.Minute)
	stopChan := make(chan bool)
	go func() {
		for {
			select {
			case <-stopChan:
				ticker.Stop()
			case <-ticker.C:
				hosts := mdnsScanner.Scan(30, "")
				previousmdnsScanResults = hosts
				log.Println("mDNS scan result updated")
			}
		}
	}()
	mdnsTickerStop = stopChan

}