From d3747c809ab896b37b92941d15999b0b213eb246 Mon Sep 17 00:00:00 2001
From: Henry Camacho <henry.f.camacho@gmail.com>
Date: Thu, 2 Feb 2017 17:25:12 -0600
Subject: [PATCH] Updated, restored file and tested. - certs and traffic counts
 are working

---
 vpn-server.go | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 vpn-server.go

diff --git a/vpn-server.go b/vpn-server.go
new file mode 100644
index 0000000..789f16d
--- /dev/null
+++ b/vpn-server.go
@@ -0,0 +1,92 @@
+package main
+
+import (
+	"flag"
+	"html/template"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+const (
+	// Time allowed to write a message to the peer.
+	writeWait = 10 * time.Second
+
+	// Time allowed to read the next pong message from the peer.
+	pongWait = 60 * time.Second
+
+	// Send pings to peer with this period. Must be less than pongWait.
+	pingPeriod = (pongWait * 9) / 10
+
+	// Maximum message size allowed from peer.
+	maxMessageSize = 512
+)
+
+var (
+	//Info ..
+	loginfo         *log.Logger
+	logfatal        *log.Logger
+	logFlags        = log.Ldate | log.Ltime | log.Lshortfile
+	argServerPort   = flag.String("server-port", ":8000", "serverPort listener")
+	connectionTable *ConnectionTable
+)
+
+func logInit(infoHandle io.Writer) {
+	loginfo = log.New(infoHandle, "INFO: ", logFlags)
+	logfatal = log.New(infoHandle, "FATAL : ", logFlags)
+}
+
+/*
+handlerServeContent -- Handles generic URI paths /
+"/" - normal client activities for websocket, marked admin=false
+"/admin" - marks incoming connection as admin, however must authenticate
+"/ws/client" & "/ws/admin" websocket terminations
+*/
+func handlerServeContent(w http.ResponseWriter, r *http.Request) {
+	switch url := r.URL.Path; url {
+	case "/":
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		template.Must(template.ParseFiles("html/client.html")).Execute(w, r.Host)
+
+	case "/admin":
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		template.Must(template.ParseFiles("html/admin.html")).Execute(w, r.Host)
+
+	case "/ws/client":
+		handleConnectionWebSocket(connectionTable, w, r, false)
+
+	case "/ws/admin":
+		handleConnectionWebSocket(connectionTable, w, r, true)
+
+	default:
+		http.Error(w, "Not Found", 404)
+
+	}
+}
+
+//launchListener - starts up http listeners and handles various URI paths
+func launchListener() {
+	loginfo.Println("starting Listener")
+
+	connectionTable = newConnectionTable()
+	go connectionTable.run()
+	http.HandleFunc("/", handlerServeContent)
+
+	err := http.ListenAndServeTLS(*argServerPort, "certs/fullchain.pem", "certs/privkey.pem", nil)
+	if err != nil {
+		logfatal.Println("ListenAndServe: ", err)
+		panic(err)
+	}
+}
+
+func main() {
+	logInit(os.Stdout)
+	loginfo.Println("startup")
+	flag.Parse()
+	loginfo.Println(*argServerPort)
+
+	go launchListener()
+	time.Sleep(600 * time.Second)
+}