4.0.0-rc8.2

* Fixed: Appearance of Twitch emotes in locally displayed `/me` messages in chat.
* Fixed: Rendering of international usernames in Clips Chat.
* Changed: Tag error reports with the current site.

Fix the implementation of rate-limiting in the socket server to use data from the sealed request. Load a list of acceptable origins from the config file.

socketserver/server/handlecore.go

@@ -53,13 +53,6 @@ const AsyncResponseCommand Command = "_async"
 
 const defaultMinMemoryKB = 1024 * 24
 
-// DotTwitchDotTv is the .twitch.tv suffix.
-const DotTwitchDotTv = ".twitch.tv"
-
-const dotCbenniDotCom = ".cbenni.com"
-
-var OriginRegexp = regexp.MustCompile("(" + DotTwitchDotTv + "|" + dotCbenniDotCom + ")" + "$")
-
 // ResponseSuccess is a Reply ClientMessage with the MessageID not yet filled out.
 var ResponseSuccess = ClientMessage{Command: SuccessCommand}
 
@@ -228,7 +221,18 @@ var SocketUpgrader = websocket.Upgrader{
 	ReadBufferSize:  160,
 	WriteBufferSize: 1024,
 	CheckOrigin: func(r *http.Request) bool {
-		return r.Header.Get("Origin") == "" || OriginRegexp.MatchString(r.Header.Get("Origin"))
+		origin := r.Header.Get("Origin")
+		if origin == "" || ! Configuration.UseOriginChecks {
+			return true
+		}
+
+		for _, allowedOrigin := range Configuration.AllowedOrigins {
+			if strings.Contains(origin, allowedOrigin) {
+				return true
+			}
+		}
+
+		return false
 	},
 }