Add file-size limit

pages/users.go

@@ -75,7 +75,7 @@ func userData(username, usersonline, ops string) UserInfo {
 	}
 	crdstr := strings.TrimSuffix(string(crd), "\n")
 	filename := "/home/" + username + "/meta-info.toml"
-	_, error := os.Stat(filename)
+	filestat, error := os.Stat(filename)
 	if error != nil {
 		if os.IsNotExist(error) {
 			UserError("user doesn't have a meta-info.toml", username, error)
@@ -95,6 +95,23 @@ func userData(username, usersonline, ops string) UserInfo {
 			return user
 		}
 	}
+	// Check file size of meta-info.toml. If it's over 100 kB, bail
+	if filestat.Size() > 100_000 {
+		log.Error("user's meta-info.toml is above the 100 kB file size limit", "user", username)
+		user := UserInfo{
+			Name:   username,
+			Online: false,
+			Op:     false,
+		}
+		user.Created, _ = strconv.Atoi(crdstr)
+		if isonline {
+			user.Online = true
+		}
+		if isop {
+			user.Op = true
+		}
+		return user
+	}
 	viper.SetConfigFile(filename)
 	if err := viper.ReadInConfig(); err != nil {
 		log.Error("message", "couldn't read a users meta-info.toml file.", "error", log.Any("err", err), "user", username)