package barertc import ( "fmt" "html/template" "net/http" "strings" "git.kirsle.net/apps/barertc/pkg/config" "git.kirsle.net/apps/barertc/pkg/jwt" "git.kirsle.net/apps/barertc/pkg/log" "git.kirsle.net/apps/barertc/pkg/util" ) // IndexPage returns the HTML template for the chat room. func IndexPage() http.HandlerFunc { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // Load the template, TODO: once on server startup. tmpl := template.New("index") // Handle a JWT authentication token. var ( tokenStr = r.FormValue("jwt") claims = &jwt.Claims{} authOK bool blocklist = []string{} // cached blocklist from your website, for JWT auth only ) if tokenStr != "" { parsed, ok, err := jwt.ParseAndValidate(tokenStr) if err != nil { w.WriteHeader(http.StatusForbidden) w.Write([]byte( fmt.Sprintf("Error parsing your JWT token: %s", err), )) return } authOK = ok claims = parsed blocklist = GetCachedBlocklist(claims.Subject) } // Are we enforcing strict JWT authentication? if config.Current.JWT.Enabled && config.Current.JWT.Strict && !authOK { // Do we have a landing page to redirect to? if config.Current.JWT.LandingPageURL != "" { w.Header().Add("Location", config.Current.JWT.LandingPageURL) w.WriteHeader(http.StatusFound) return } w.WriteHeader(http.StatusForbidden) w.Write([]byte( "Authentication denied. Please go back and try again.", )) return } // Variables to give to the front-end page. var values = map[string]interface{}{ // A cache-busting hash for JS and CSS includes. "CacheHash": util.RandomString(8), // The current website settings. "Config": config.Current, // Authentication settings. "JWTTokenString": tokenStr, "JWTAuthOK": authOK, "JWTClaims": claims, // Cached user blocklist sent by your website. "CachedBlocklist": blocklist, } tmpl.Funcs(template.FuncMap{ "AsHTML": func(v string) template.HTML { return template.HTML(v) }, "AsJS": func(v interface{}) template.JS { return template.JS(fmt.Sprintf("%v", v)) }, }) tmpl, err := tmpl.ParseFiles("dist/index.html") if err != nil { panic(err.Error()) } // END load the template log.Info("GET / [%s] %s", r.RemoteAddr, strings.Join([]string{ r.Header.Get("X-Forwarded-For"), r.Header.Get("X-Real-IP"), r.Header.Get("User-Agent"), util.IPAddress(r), }, " ")) tmpl.ExecuteTemplate(w, "index", values) }) } // AboutPage returns the HTML template for the about page. func AboutPage() http.HandlerFunc { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // Load the template, TODO: once on server startup. tmpl := template.New("index") // Variables to give to the front-end page. var values = map[string]interface{}{ // A cache-busting hash for JS and CSS includes. "CacheHash": util.RandomString(8), // The current website settings. "Config": config.Current, } tmpl.Funcs(template.FuncMap{ "AsHTML": func(v string) template.HTML { return template.HTML(v) }, }) tmpl, err := tmpl.ParseFiles("web/templates/about.html") if err != nil { panic(err.Error()) } tmpl.ExecuteTemplate(w, "index", values) }) }