IMPR: Login forms

_config/base-extensions.yml

@@ -1,5 +1,8 @@
 ---
 Name: a2nt-cms-niceties-base-extensions
+After:
+  - login-forms
+  - '#coresecurity'
 ---
 # Basic extensions
 SilverStripe\Admin\LeftAndMain:
@@ -51,6 +54,10 @@ SilverStripe\Core\Injector\Injector:
     class: A2nt\CMSNiceties\Forms\GridField\GridFieldConfig_RelationEditor
   SilverStripe\Forms\FormRequestHandler:
     class: A2nt\CMSNiceties\Ajax\AjaxFormRequestHandler
+  SilverStripe\Security\Security:
+    properties:
+      Authenticators:
+        default: '%$A2nt\CMSNiceties\Forms\Authenticator'
 
 SilverStripe\UserForms\Form\UserForm:
   extensions:

src/Ajax/Ex/AjaxControllerEx.php

@@ -10,6 +10,7 @@ use SilverStripe\Core\Config\Config;
 use SilverStripe\Core\Extension;
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\Forms\Form;
+use SilverStripe\Forms\HiddenField;
 use SilverStripe\ORM\FieldType\DBHTMLText;
 use SilverStripe\ORM\ValidationResult;
 use SilverStripe\Security\MemberAuthenticator\MemberAuthenticator;
@@ -70,23 +71,17 @@ class AjaxControllerEx extends Extension
 
     public function LoginFormEx()
     {
-        $ctrl = $this->owner;
+        $ctrl = Security::singleton();
 
         /* @var Form $form */
-        if (method_exists($ctrl, 'LoginForm')) {
-            $form = $ctrl->LoginForm();
-        } else {
-            $form = $ctrl->getLoginForms()['default'][0];
-        }
-
+        $form = $ctrl->getLoginForms()['default'][0];
         self::_processFields($form);
 
         //$form->addExtraClass('ajax-form');
-
-        if (Director::isLive() && $form->get_protector()) {
-            $form->enableSpamProtection();
-        }
-
+        $back = $this->owner->Link();
+        $form->setFormAction('/Security/login/default/LoginForm/?BackURL='.$back);
+        $form->Fields()
+            ->push(HiddenField::create('BackURL')->setValue($back));
 
         $form->setLegend(
             _t(
@@ -207,11 +202,9 @@ class AjaxControllerEx extends Extension
         $url = $req->getURL();
         $url = $url === 'home' ? '/' : $url;
 
-        $ajax_res = $ctrl->config()->get('ajax_resources');
-        $graphql_res = $ctrl->config()->get('graphql_resources');
         $resources = array_merge(
-            $ajax_res ? $ajax_res : [],
-            $graphql_res ? $graphql_res : []
+            $ctrl->config()->get('graphql_resources'),
+            $ctrl->config()->get('ajax_resources')
         );
 
         $body = $response->getBody();

src/Forms/Authentificator.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace A2nt\CMSNiceties\Forms;
+
+use SilverStripe\Security\MemberAuthenticator\MemberAuthenticator;
+
+class Authenticator extends MemberAuthenticator
+{
+    public function getLoginHandler($link)
+    {
+        return LoginHandler::create($link, $this);
+    }
+}

src/Forms/LoginHandler.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace A2nt\CMSNiceties\Forms;
+
+use SilverStripe\Control\Director;
+use SilverStripe\Control\HTTPRequest;
+use SilverStripe\Security\MemberAuthenticator\LoginHandler as MemberAuthenticatorLoginHandler;
+use SilverStripe\Security\MemberAuthenticator\MemberLoginForm;
+
+class LoginHandler extends MemberAuthenticatorLoginHandler
+{
+    private static $allowed_actions = [
+        'LoginForm',
+    ];
+
+    public function doLogin($data, MemberLoginForm $form, HTTPRequest $request)
+    {
+        return parent::doLogin($data, $form, $request);
+    }
+
+    public function loginForm()
+    {
+        $form = parent::loginForm();
+
+        if (self::config()->get('enable_captcha') && Director::isLive() && $form->get_protector()) {
+            $form->enableSpamProtection();
+        }
+        $form->addExtraClass('legacy');
+
+        return $form;
+    }
+}