app/Http/Controllers/LoginController.php

@@ -148,10 +148,11 @@ public function handleMicrosoftCallback(Request $request)
         return $this->redirectUserBasedOnRole($user);
     }
 
+    /**
+     * Log the user out of the application.
+     */
     public function logout(Request $request)
     {
-        $user = Auth::user();
-
         Auth::logout();
 
         $request->session()->invalidate();
@@ -159,19 +160,7 @@ public function logout(Request $request)
 
         // Redirect to Microsoft's logout URL to log the user out of Microsoft as well
         try {
-            $tenant = config('services.microsoft.tenant', 'common');
-            $logoutUrl = "https://login.microsoftonline.com/{$tenant}/oauth2/v2.0/logout";
-            
-            $params = [
-                'post_logout_redirect_uri' => route('login'),
-            ];
-
-            if ($user && $user->email) {
-                // Pass logout_hint to bypass Microsoft's "Pick an account" selection screen
-                $params['logout_hint'] = $user->email;
-            }
-
-            $microsoftLogoutUrl = $logoutUrl . '?' . http_build_query($params);
+            $microsoftLogoutUrl = Socialite::driver('microsoft')->getLogoutUrl(route('login'));
             return redirect($microsoftLogoutUrl);
         } catch (\Exception $e) {
             return redirect()->route('login')->with('success', 'Logged out successfully.');

tests/Feature/SecurityAndAdminTest.php

@@ -189,6 +189,9 @@ public function test_admin_cannot_authenticate_via_microsoft_oauth_callback(): v
         $this->assertFalse(auth()->check());
     }
 
+    /**
+     * Test local logout redirects to Microsoft global logout endpoint.
+     */
     public function test_user_logout_redirects_to_microsoft_logout_page(): void
     {
         $user = User::create([
@@ -197,16 +200,17 @@ public function test_user_logout_redirects_to_microsoft_logout_page(): void
             'role' => 'user',
         ]);
 
+        $mockSocialite = \Mockery::mock('Laravel\Socialite\Contracts\Provider');
+        $mockSocialite->shouldReceive('getLogoutUrl')
+            ->with(route('login'))
+            ->andReturn('https://login.microsoftonline.com/common/oauth2/v2.0/logout?post_logout_redirect_uri=' . urlencode(route('login')));
+        
+        \Laravel\Socialite\Facades\Socialite::shouldReceive('driver')->with('microsoft')->andReturn($mockSocialite);
+
         $response = $this->actingAs($user)
             ->get('/logout'); // supports GET for testing
 
-        $tenant = config('services.microsoft.tenant', 'common');
-        $expectedRedirect = "https://login.microsoftonline.com/{$tenant}/oauth2/v2.0/logout?" . http_build_query([
-            'post_logout_redirect_uri' => route('login'),
-            'logout_hint' => 'user@sentientgeeks.com',
-        ]);
-
-        $response->assertRedirect($expectedRedirect);
+        $response->assertRedirect('https://login.microsoftonline.com/common/oauth2/v2.0/logout?post_logout_redirect_uri=' . urlencode(route('login')));
         $this->assertFalse(auth()->check());
     }
 
@@ -260,8 +264,7 @@ public function test_sso_launch_redirects_to_microsoft_for_all_services_if_user_
         $mockSocialite->shouldReceive('redirectUrl')->with(route('sso.callback'))->andReturnSelf();
         $mockSocialite->shouldReceive('with')->with([
             'login_hint' => $user->email,
-            'domain_hint' => 'organizations',
-            'prompt' => 'none'
+            'domain_hint' => 'organizations'
         ])->andReturnSelf();
         $mockSocialite->shouldReceive('redirect')
             ->andReturn(redirect('https://login.microsoftonline.com/common/oauth2/v2.0/authorize'));