optimise www redirect check

minor init.js optimisation
avoid gzip for empty obj in alerts endpoint

gen_router.go

@@ -840,6 +840,7 @@ func (r *GenRouter) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 	
 	// Redirect www. and local IP requests to the right place
+	if strings.HasPrefix(shost, "www.") || c.Site.LocalHost {
 	if shost == "www." + c.Site.Host || (c.Site.LocalHost && shost != c.Site.Host && isLocalHost(shost)) {
 		// TODO: Abstract the redirect logic?
 		w.Header().Set("Connection", "close")
@@ -858,6 +859,7 @@ func (r *GenRouter) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 		http.Redirect(w, req, dest, http.StatusMovedPermanently)
 		return
 	}
+	}
 
 	// Deflect malformed requests
 	if len(req.URL.Path) == 0 || req.URL.Path[0] != '/' || (!c.Config.LooseHost && shost != c.Site.Host) {

public/init.js

@@ -33,9 +33,9 @@ function runHook(name, ...args) {
 	return ret;
 }
 
-function addHook(name, callback) {
+function addHook(name, h) {
 	if(hooks[name]===undefined) hooks[name] = [];
-	hooks[name].push(callback);
+	hooks[name].push(h);
 }
 
 // InitHooks are slightly special, as if they are run, then any adds after the initial run will run immediately, this is to deal with the async nature of script loads
@@ -45,17 +45,17 @@ function runInitHook(name, ...args) {
 	return ret;
 }
 
-function addInitHook(name, callback) {
-	addHook(name, callback);
-	if(name in ranInitHooks) callback();
+function addInitHook(name, h) {
+	addHook(name, h);
+	if(name in ranInitHooks) h();
 }
 
 // Temporary hack for templates
-function len(item) {
+function len(it) {
 	return item.length;
 }
 
-function asyncGetScript(source) {
+function asyncGetScript(src) {
 	return new Promise((resolve,reject) => {
 		let script = document.createElement('script');
 		script.async = true;
@@ -75,17 +75,17 @@ function asyncGetScript(source) {
 		};
 		script.onload = onloadHandler;
 		script.onreadystatechange = onloadHandler;
-		script.src = source;
+		script.src = src;
 
 		const prior = document.getElementsByTagName('script')[0];
 		prior.parentNode.insertBefore(script, prior);
 	});
 }
 
-function notifyOnScript(source) {
-	source = "/s/"+source;
+function notifyOnScript(src) {
+	src = "/s/"+src;
 	return new Promise((resolve, reject) => {
-		let ss = source.replace("/s/","");
+		let ss = src.replace("/s/","");
 		try {
 			let ssp = ss.charAt(0).toUpperCase() + ss.slice(1)
 			console.log("ssp:",ssp)
@@ -95,8 +95,8 @@ function notifyOnScript(source) {
 			}
 		} catch(e) {}
 		
-		console.log("source:",source)
-		let script = document.querySelectorAll('[src^="'+source+'"]')[0];
+		console.log("src:",src)
+		let script = document.querySelectorAll('[src^="'+src+'"]')[0];
 		console.log("script:",script);
 		if(script===undefined) {
 			reject("no script found");
@@ -142,7 +142,7 @@ function loadScript(name, callback,fail) {
 	let iurl = "/s/"+name+".js"
 	asyncGetScript(url)
 		.then(callback)
-		.catch((e) => {
+		.catch(e => {
 			console.log("Unable to get script '"+url+"'");
 			if(fname!=name) {
 				asyncGetScript(iurl)
@@ -166,8 +166,8 @@ function loadTmpl(name,callback) {
 }
 */
 
-function DoNothingButPassBack(item) {
-	return item;
+function DoNothingButPassBack(it) {
+	return it;
 }
 
 function RelativeTime(date) {
@@ -243,8 +243,8 @@ function fetchPhrases(plist) {
 
 	if(loggedIn) {
 		fetch("/api/me/")
-		.then((resp) => resp.json())
-		.then((data) => {
+		.then(resp => resp.json())
+		.then(data => {
 			console.log("loaded me endpoint data");
 			console.log("data:",data);
 			me = data;
@@ -254,4 +254,4 @@ function fetchPhrases(plist) {
 		me = {User:{ID:0,S:""},Site:{"MaxRequestSize":0}};
 		runInitHook("pre_init");
 	}
-})();
+})()

router_gen/main.go

@@ -559,6 +559,7 @@ func (r *GenRouter) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 	
 	// Redirect www. and local IP requests to the right place
+	if strings.HasPrefix(shost, "www.") || c.Site.LocalHost {
 	if shost == "www." + c.Site.Host || (c.Site.LocalHost && shost != c.Site.Host && isLocalHost(shost)) {
 		// TODO: Abstract the redirect logic?
 		w.Header().Set("Connection", "close")
@@ -577,6 +578,7 @@ func (r *GenRouter) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 		http.Redirect(w, req, dest, http.StatusMovedPermanently)
 		return
 	}
+	}
 
 	// Deflect malformed requests
 	if len(req.URL.Path) == 0 || req.URL.Path[0] != '/' || (!c.Config.LooseHost && shost != c.Site.Host) {

routes.go

@@ -131,12 +131,23 @@ func routeAPI(w http.ResponseWriter, r *http.Request, user c.User) c.RouteError
 					topCreatedAt = uCreatedAt
 				}
 			}
-			err = rows.Err()
-			if err != nil {
+			if err = rows.Err(); err != nil {
 				return c.InternalErrorJS(err, w, r)
 			}
 		}
 
+		if count == 0 || len(alerts) == 0 || (rCreatedAt != 0 && rCreatedAt >= topCreatedAt && count == rCount) {
+			gzw, ok := w.(c.GzipResponseWriter)
+			if ok {
+				w = gzw.ResponseWriter
+				h := w.Header()
+				h.Del("Content-Type")
+				h.Del("Content-Encoding")
+			}
+			_, _ = io.WriteString(w, `{}`)
+			return nil
+		}
+
 		// Might not want to error here, if the account was deleted properly, we might want to figure out how we should handle deletions in general
 		list, err := c.Users.BulkGetMap(actors)
 		if err != nil {
@@ -144,11 +155,6 @@ func routeAPI(w http.ResponseWriter, r *http.Request, user c.User) c.RouteError
 			return c.InternalErrorJS(err, w, r)
 		}
 
-		if count == 0 || len(alerts) == 0 || (rCreatedAt != 0 && rCreatedAt >= topCreatedAt && count == rCount) {
-			_, _ = io.WriteString(w, `{}`)
-			return nil
-		}
-
 		var ok bool
 		var sb strings.Builder
 		sb.Grow(c.AlertsGrowHint + (len(alerts) * c.AlertsGrowHint2))