Added basic webserver support.

webserver.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+	"strconv"
+)
+
+func GetWebserverHost() string {
+	host := SplitStrings(bot.config.Webserver.ListenAddress, ":")[0]
+	if host == "" {
+		return "localhost"
+	}
+	return host
+}
+
+func GetWebserverPort() int {
+	portStr := SplitStrings(bot.config.Webserver.ListenAddress, ":")[1]
+	port, _ := strconv.Atoi(portStr)
+	return port
+}
+
+func StartWebserver() error {
+	http.HandleFunc("/", index)
+	var err error
+	go func() {
+		err = http.ListenAndServe(bot.config.Webserver.ListenAddress, nil)
+	}()
+	return err
+}
+
+func ServerHTTPError(w http.ResponseWriter, err error) {
+	log.Println(err)
+	w.WriteHeader(http.StatusInternalServerError)
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+}
+
+func index(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
+	tmpl, err := template.ParseFiles("web/index.html", "web/header.html", "web/footer.html")
+	if err != nil {
+		ServerHTTPError(w, err)
+		return
+	}
+
+	tmplValues := map[string]interface{}{"title": "Home"}
+	tmpl.Execute(w, tmplValues)
+	if err != nil {
+		ServerHTTPError(w, err)
+		return
+	}
+}