Move LDAP validation into form request

app/Http/Requests/SettingsLdapRequest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Http\Requests\Request;
+use Session;
+
+class SettingsLdapRequest extends Request
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        $rules = [
+            "ldap_server"               => 'sometimes|required_if:ldap_enabled,1|url|nullable',
+            "ldap_uname"                => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_basedn"               => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_filter"               => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_username_field"       => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_fname_field"          => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_lname_field"          => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_auth_filter_query"    => 'sometimes|required_if:ldap_enabled,1|nullable',
+            "ldap_version"              => 'sometimes|required_if:ldap_enabled,1|nullable',
+        ];
+
+        return $rules;
+
+    }
+
+    public function response(array $errors)
+    {
+        $this->session()->flash('errors', Session::get('errors', new \Illuminate\Support\ViewErrorBag)
+            ->put('default', new \Illuminate\Support\MessageBag($errors)));
+        \Input::flash();
+        return parent::response($errors);
+    }
+}

app/Models/Setting.php

@@ -34,15 +34,6 @@ class Setting extends Model
           'labels_fontsize' => 'numeric|min:5',
           'labels_pagewidth' => 'numeric|nullable',
           'labels_pageheight' => 'numeric|nullable',
-          "ldap_server"   => 'sometimes|required_if:ldap_enabled,1|url|nullable',
-          "ldap_uname"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_basedn"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_filter"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_username_field"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_fname_field"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_lname_field"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_auth_filter_query"     => 'sometimes|required_if:ldap_enabled,1|nullable',
-          "ldap_version"     => 'sometimes|required_if:ldap_enabled,1|nullable',
           "thumbnail_max_h"     => 'numeric|max:500|min:25',
           "pwd_secure_min" => "numeric|required|min:5",
           "audit_warning_days" => "numeric|nullable",