FIX: improved the validation from localstorage for username and characterLayers

front/src/Connexion/LocalUser.ts

@@ -1,3 +1,5 @@
+import {MAX_USERNAME_LENGTH} from "../Enum/EnvironmentVariable";
+
 export interface CharacterTexture {
     id: number,
     level: number,
@@ -5,6 +7,23 @@ export interface CharacterTexture {
     rights: string
 }
 
+export const maxUserNameLength: number = MAX_USERNAME_LENGTH;
+
+export function isUserNameValid(value: string): boolean {
+    const regexp = new RegExp('^[A-Za-z]{1,'+maxUserNameLength+'}$');
+    return regexp.test(value);
+}
+
+export function areCharacterLayersValid(value: string[]): boolean {
+    if (!value.length) return false;
+    for (let i = 0; i < value.length; i++) {
+        if (/^\w+$/.exec(value[i]) === null) {
+            return false;
+        }
+    }
+    return true;
+}
+
 export class LocalUser {
     constructor(public readonly uuid:string, public readonly jwtToken: string, public readonly textures: CharacterTexture[]) {
     }

front/src/Connexion/LocalUserStore.ts

@@ -1,4 +1,4 @@
-import {LocalUser} from "./LocalUser";
+import {areCharacterLayersValid, isUserNameValid, LocalUser} from "./LocalUser";
 
 const playerNameKey =           'playerName';
 const selectedPlayerKey =       'selectedPlayer';
@@ -22,8 +22,9 @@ class LocalUserStore {
     setName(name:string): void {
         localStorage.setItem(playerNameKey, name);
     }
-    getName(): string {
-        return localStorage.getItem(playerNameKey) || '';
+    getName(): string|null {
+        const value = localStorage.getItem(playerNameKey) || '';
+        return isUserNameValid(value) ? value : null;
     }
 
     setPlayerCharacterIndex(playerCharacterIndex: number): void {
@@ -44,7 +45,8 @@ class LocalUserStore {
         localStorage.setItem(characterLayersKey, JSON.stringify(layers));
     }
     getCharacterLayers(): string[]|null {
-        return JSON.parse(localStorage.getItem(characterLayersKey) || "null");
+        const value = JSON.parse(localStorage.getItem(characterLayersKey) || "null");
+        return areCharacterLayersValid(value) ? value : null;
     }
 
     setGameQualityValue(value: number): void {