Added authentication

app/Http/Controllers/LoginController.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\View\View;
+
+class LoginController extends Controller
+{
+    /**
+     * Handle an authentication attempt.
+     */
+    public function login(Request $request): RedirectResponse
+    {
+        $validator = Validator::make($request->all(), [
+            'login' => ['required'],
+            'password' => ['required'],
+        ]);
+
+        if ($validator->fails())
+            return redirect('user/login')->withErrors($validator)->withInput();
+
+        $credentials = $validator->validated();
+
+        if (Auth::attempt($credentials)) {
+            $request->session()->regenerate();
+
+            $user = Auth::user();
+            $user->ip = $request->ip();
+            $user->saveOrFail();
+
+            return redirect()->intended('user/administration');
+        }
+
+        return redirect('user/login')->withErrors([
+            'login' => 'The provided credentials do not match our records.',
+        ])->onlyInput('login');
+    }
+
+
+    /**
+     * Log the user out of the application.
+     */
+    public function logout(Request $request): View
+    {
+        Auth::logout();
+
+        $request->session()->invalidate();
+
+        $request->session()->regenerateToken();
+
+        return view('user/logout');
+    }
+}