feat(auth): password strongest + docs

src/app/api/auth/register/route.ts

@@ -22,6 +22,17 @@ export async function POST(request: Request) {
           { status: 400 }
         );
       }
+      if (error instanceof Error && error.message === "PASSWORD_NOT_STRONG") {
+        return NextResponse.json(
+          {
+            error: {
+              code: "PASSWORD_NOT_STRONG",
+              message: "Le mot de passe est trop faible",
+            },
+          },
+          { status: 400 }
+        );
+      }
       throw error;
     }
   } catch (error) {

src/lib/services/auth-server.service.ts

@@ -13,6 +13,11 @@ export class AuthServerService {
   static async createUser(email: string, password: string): Promise<UserData> {
     await connectDB();
 
+    //check if password is strong
+    if (!AuthServerService.isPasswordStrong(password)) {
+      throw new Error("PASSWORD_NOT_STRONG");
+    }
+
     // Check if user already exists
     const existingUser = await UserModel.findOne({ email: email.toLowerCase() });
     if (existingUser) {
@@ -36,6 +41,22 @@ export class AuthServerService {
 
     return userData;
   }
+  static isPasswordStrong(password: string): boolean {
+    //check if password is strong
+    if (password.length < 8) {
+      return false;
+    }
+    if (!/[A-Z]/.test(password)) {
+      return false;
+    }
+    if (!/[0-9]/.test(password)) {
+      return false;
+    }
+    if (!/[!@#$%^&*]/.test(password)) {
+      return false;
+    }
+    return true;
+  }
 
   static setUserCookie(userData: UserData): void {
     // Encode user data in base64