| 1 |
<?php |
| 2 |
/** |
| 3 |
* Handles user agent lockout. |
| 4 |
* |
| 5 |
* @package WP_Defender\Controller |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace WP_Defender\Controller; |
| 9 |
|
| 10 |
use Exception; |
| 11 |
use WP_Defender\Event; |
| 12 |
use Calotes\Component\Request; |
| 13 |
use Calotes\Component\Response; |
| 14 |
use WP_Defender\Traits\Setting; |
| 15 |
use WP_Defender\Model\Lockout_Log; |
| 16 |
use WP_Defender\Model\Setting\User_Agent_Lockout; |
| 17 |
use WP_Defender\Component\Config\Config_Hub_Helper; |
| 18 |
use WP_Defender\Component\User_Agent as User_Agent_Service; |
| 19 |
|
| 20 |
/** |
| 21 |
* Handles user agent lockout. |
| 22 |
* |
| 23 |
* @since 2.6.0 |
| 24 |
*/ |
| 25 |
class UA_Lockout extends Event { |
| 26 |
|
| 27 |
use Setting; |
| 28 |
|
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/** |
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* The slug identifier for this controller. |
| 31 |
* |
| 32 |
* @var string |
| 33 |
*/ |
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public $slug = 'wdf-ip-lockout'; |
| 35 |
|
| 36 |
/** |
| 37 |
* The model for handling the data. |
| 38 |
* |
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* @var User_Agent_Lockout |
| 40 |
*/ |
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protected $model; |
| 42 |
|
| 43 |
/** |
| 44 |
* Service for handling logic. |
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* |
| 46 |
* @var User_Agent_Service |
| 47 |
*/ |
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protected $service; |
| 49 |
|
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/** |
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* Initializes the model and service, registers routes, and sets up scheduled events if the model is active. |
| 52 |
*/ |
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public function __construct() { |
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$this->register_routes(); |
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$this->model = $this->get_model(); |
| 56 |
$this->service = wd_di()->get( User_Agent_Service::class ); |
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add_action( 'defender_enqueue_assets', array( $this, 'enqueue_assets' ) ); |
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} |
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|
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/** |
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* Returns an instance of the User_Agent_Lockout model class. |
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* |
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* @return User_Agent_Lockout The User_Agent_Lockout model class. |
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*/ |
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private function get_model() { |
| 66 |
if ( is_object( $this->model ) ) { |
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return $this->model; |
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} |
| 69 |
|
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return new User_Agent_Lockout(); |
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} |
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|
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/** |
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* Enqueues scripts and styles for this page. |
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* Only enqueues assets if the page is active. |
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*/ |
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public function enqueue_assets() { |
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if ( ! $this->is_page_active() ) { |
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return; |
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} |
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} |
| 82 |
|
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/** |
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* Save settings. |
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* |
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* @param Request $request The request object containing new settings data. |
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* |
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* @return Response |
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* @defender_route |
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* @throws Exception If the table is not defined. |
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*/ |
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public function save_settings( Request $request ) { |
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$data = $request->get_data_by_model( $this->model ); |
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$old_enabled = $this->model->enabled; |
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$old_malicious_bot_enabled = $this->model->malicious_bot_enabled; |
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$old_fake_bots_enabled = $this->model->fake_bots_enabled; |
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$prev_data = $this->model->export(); |
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|
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$this->model->import( $data ); |
| 100 |
if ( $this->model->validate() ) { |
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$arr_blocklist = $this->model->get_lockout_list( 'blocklist' ); |
| 102 |
if ( is_array( $arr_blocklist ) && array() !== $arr_blocklist ) { |
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// Update 'Custom User Agents' if 'Blocklist Presets' is enabled. |
| 104 |
if ( |
| 105 |
$data['blocklist_presets'] |
| 106 |
&& is_array( $data['blocklist_preset_values'] ) |
| 107 |
&& array() !== $data['blocklist_preset_values'] |
| 108 |
) { |
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// Check and remove duplicates. |
| 110 |
$common_result = array_intersect( $arr_blocklist, $data['blocklist_preset_values'] ); |
| 111 |
if ( array() !== $common_result ) { |
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$arr_blocklist = User_Agent_Service::check_and_remove_duplicates( |
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$arr_blocklist, |
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$common_result |
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); |
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$this->model->blacklist = implode( PHP_EOL, $arr_blocklist ); |
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} |
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} |
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// Update 'Custom User Agents' if 'Scripts Presets' is enabled. |
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if ( |
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$data['script_presets'] |
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&& is_array( $data['script_preset_values'] ) |
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&& array() !== $data['script_preset_values'] |
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) { |
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// Check and remove duplicates. |
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$common_result = array_intersect( $arr_blocklist, $data['script_preset_values'] ); |
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if ( array() !== $common_result ) { |
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$arr_blocklist = User_Agent_Service::check_and_remove_duplicates( |
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$arr_blocklist, |
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$common_result |
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); |
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$this->model->blacklist = implode( PHP_EOL, $arr_blocklist ); |
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} |
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} |
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} |
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|
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$this->model->save(); |
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Config_Hub_Helper::set_clear_active_flag(); |
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// Attention: next actions after saving model changes. |
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if ( |
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( ! $this->model->enabled && $old_enabled ) || |
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( ! $this->model->malicious_bot_enabled && $old_malicious_bot_enabled ) |
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) { |
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wd_di()->get( Malicious_Bot::class )->remove_data(); |
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} elseif ( |
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( $this->model->enabled && ! $old_enabled && $this->model->malicious_bot_enabled ) || |
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( $this->model->malicious_bot_enabled && ! $old_malicious_bot_enabled && $this->model->enabled ) |
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) { |
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wd_di()->get( Malicious_Bot::class )->rotate_hash(); |
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} |
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|
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if ( |
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( ! $this->model->enabled && $old_enabled ) || |
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( ! $this->model->fake_bots_enabled && $old_fake_bots_enabled ) |
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) { |
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wd_di()->get( Fake_Bot_Detection::class )->remove_data(); |
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} |
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|
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// Maybe track. |
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if ( ! defender_is_wp_cli() ) { |
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// Track if UA Module is activated/deactivated OR there is a change in State on Add/Remove Custom User Agents (Allowlist/Blocklist). |
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if ( ( $old_enabled !== $data['enabled'] ) |
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|| ( $this->is_feature_state_changed( $prev_data['blacklist'], $data['blacklist'] ) ) |
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|| ( $this->is_feature_state_changed( $prev_data['whitelist'], $data['whitelist'] ) ) |
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) { |
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$track_data = array( |
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'Action' => $data['enabled'] ? 'Enabled' : 'Disabled', |
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'No of Bots in the Whitelist' => count( $this->model->get_lockout_list( 'allowlist', false ) ), |
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'No of Bots in the Blocklist' => count( $this->model->get_lockout_list( 'blocklist', false ) ), |
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); |
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$this->track_feature( 'def_user_agent_banning', $track_data ); |
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} |
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// New one for 'Blocklist Presets'. |
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if ( |
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( $prev_data['blocklist_presets'] !== $data['blocklist_presets'] ) || |
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( count( $prev_data['blocklist_preset_values'] ) !== |
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count( array_intersect( $prev_data['blocklist_preset_values'], $data['blocklist_preset_values'] ) ) |
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) |
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) { |
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$track_data = array( |
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'Action' => $data['blocklist_presets'] ? 'Enabled' : 'Disabled', |
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'List of Activated Bots' => implode( ', ', $data['blocklist_preset_values'] ), |
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); |
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$this->track_feature( 'def_ua_blocklist_preset', $track_data ); |
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} |
| 186 |
// New one for 'Script Presets'. |
| 187 |
if ( |
| 188 |
( $prev_data['script_presets'] !== $data['script_presets'] ) || |
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( count( $prev_data['script_preset_values'] ) !== |
| 190 |
count( array_intersect( $prev_data['script_preset_values'], $data['script_preset_values'] ) ) |
| 191 |
) |
| 192 |
) { |
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$track_data = array( |
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'Action' => $data['script_presets'] ? 'Enabled' : 'Disabled', |
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'List of Activated Scripts' => implode( ', ', $data['script_preset_values'] ), |
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); |
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$this->track_feature( 'def_ua_scripts_preset', $track_data ); |
| 198 |
} |
| 199 |
// Track "Fake Bots Detection". |
| 200 |
if ( $prev_data['fake_bots_enabled'] !== $data['fake_bots_enabled'] || |
| 201 |
$prev_data['fake_bots_lockout_type'] !== $data['fake_bots_lockout_type'] |
| 202 |
) { |
| 203 |
$data = array( |
| 204 |
'Action' => $data['fake_bots_enabled'] ? 'Enabled' : 'Disabled', |
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'Blocking type' => 'temporary' === $data['fake_bots_lockout_type'] ? 'Temporary' : 'Permanent', |
| 206 |
); |
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$this->track_feature( 'def_fake_crawler', $data ); |
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} |
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} |
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|
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return new Response( |
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true, |
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array_merge( |
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array( |
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'message' => $this->get_update_message( |
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$data, |
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$old_enabled, |
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User_Agent_Lockout::get_module_name() |
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), |
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'auto_close' => true, |
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), |
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$this->data_frontend() |
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) |
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); |
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} |
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|
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return new Response( |
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false, |
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array( 'message' => $this->model->get_formatted_errors() ) |
| 230 |
); |
| 231 |
} |
| 232 |
|
| 233 |
/** |
| 234 |
* Removes settings for all submodules. |
| 235 |
*/ |
| 236 |
public function remove_settings() { |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* Delete all the data & the cache. |
| 241 |
*/ |
| 242 |
public function remove_data() { |
| 243 |
} |
| 244 |
|
| 245 |
/** |
| 246 |
* Converts the current object state to an array. |
| 247 |
* |
| 248 |
* @return array The array representation of the object. |
| 249 |
*/ |
| 250 |
public function to_array(): array { |
| 251 |
return array(); |
| 252 |
} |
| 253 |
|
| 254 |
/** |
| 255 |
* Provides data for the frontend. |
| 256 |
* |
| 257 |
* @return array An array of data for the frontend. |
| 258 |
*/ |
| 259 |
public function data_frontend(): array { |
| 260 |
$arr_model = $this->model->export(); |
| 261 |
|
| 262 |
// Check for empty Disallow line only if Bot Trap is enabled. |
| 263 |
$has_empty_disallow = false; |
| 264 |
if ( $this->model->enabled && $this->model->malicious_bot_enabled ) { |
| 265 |
$malicious_bot_service = wd_di()->get( \WP_Defender\Component\Malicious_Bot::class ); |
| 266 |
$has_empty_disallow = $malicious_bot_service->has_empty_disallow_line(); |
| 267 |
} |
| 268 |
|
| 269 |
$misc = array( |
| 270 |
'no_ua' => '' === $arr_model['blacklist'] && '' === $arr_model['whitelist'], |
| 271 |
'module_name' => User_Agent_Lockout::get_module_name(), |
| 272 |
'blocklist_presets' => User_Agent_Service::get_blocklist_presets(), |
| 273 |
'script_presets' => User_Agent_Service::get_script_presets(), |
| 274 |
'has_empty_disallow_line' => $has_empty_disallow, |
| 275 |
'lockouts_last_24_hours' => Lockout_Log::count( |
| 276 |
strtotime( '-24 hours' ), |
| 277 |
time(), |
| 278 |
Lockout_Log::LOCKOUT_UA |
| 279 |
), |
| 280 |
); |
| 281 |
|
| 282 |
return array_merge( |
| 283 |
array( |
| 284 |
'model' => $arr_model, |
| 285 |
'misc' => $misc, |
| 286 |
), |
| 287 |
$this->dump_routes_and_nonces() |
| 288 |
); |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* Adapt the given data array by adding additional fields if necessary. |
| 293 |
* |
| 294 |
* @param array $data The data array to adapt. |
| 295 |
* |
| 296 |
* @return array The adapted data array. |
| 297 |
*/ |
| 298 |
private function adapt_data( array $data ): array { |
| 299 |
$adapted_data = array(); |
| 300 |
if ( isset( $data['ua_banning_enabled'] ) ) { |
| 301 |
$adapted_data['enabled'] = (bool) $data['ua_banning_enabled']; |
| 302 |
} |
| 303 |
if ( isset( $data['ua_banning_message'] ) ) { |
| 304 |
$adapted_data['message'] = $data['ua_banning_message']; |
| 305 |
} |
| 306 |
if ( isset( $data['ua_banning_blacklist'] ) ) { |
| 307 |
$adapted_data['blacklist'] = $data['ua_banning_blacklist']; |
| 308 |
} |
| 309 |
if ( isset( $data['ua_banning_whitelist'] ) ) { |
| 310 |
$adapted_data['whitelist'] = $data['ua_banning_whitelist']; |
| 311 |
} |
| 312 |
if ( isset( $data['ua_banning_empty_headers'] ) ) { |
| 313 |
$adapted_data['empty_headers'] = (bool) $data['ua_banning_empty_headers']; |
| 314 |
} |
| 315 |
|
| 316 |
return array_merge( $data, $adapted_data ); |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Imports data into the model. |
| 321 |
* |
| 322 |
* @param array $data Data to be imported into the model. |
| 323 |
* |
| 324 |
* @throws Exception If table is not defined. |
| 325 |
*/ |
| 326 |
public function import_data( array $data ): void { |
| 327 |
$model = $this->get_model(); |
| 328 |
if ( array() !== $data ) { |
| 329 |
$data = $this->adapt_data( $data ); |
| 330 |
$model->import( $data ); |
| 331 |
if ( $model->validate() ) { |
| 332 |
$model->save(); |
| 333 |
} |
| 334 |
} else { |
| 335 |
$default_ua_values = $model->get_default_values(); |
| 336 |
$model->enabled = false; |
| 337 |
$model->message = $default_ua_values['message']; |
| 338 |
$model->blacklist = $default_ua_values['blacklist']; |
| 339 |
$model->whitelist = $default_ua_values['whitelist']; |
| 340 |
$model->empty_headers = false; |
| 341 |
$model->save(); |
| 342 |
} |
| 343 |
} |
| 344 |
|
| 345 |
/** |
| 346 |
* Exports User Agents to a CSV file. |
| 347 |
* |
| 348 |
* @return void |
| 349 |
* @defender_route |
| 350 |
* @since 2.6.0 |
| 351 |
*/ |
| 352 |
public function export_ua(): void { |
| 353 |
$data = array(); |
| 354 |
|
| 355 |
foreach ( $this->model->get_lockout_list( 'allowlist', false ) as $ua ) { |
| 356 |
$data[] = array( |
| 357 |
'ua' => $ua, |
| 358 |
'type' => 'allowlist', |
| 359 |
); |
| 360 |
} |
| 361 |
|
| 362 |
foreach ( $this->model->get_all_selected_blocklist_ua( false ) as $ua ) { |
| 363 |
$data[] = array( |
| 364 |
'ua' => $ua, |
| 365 |
'type' => 'blocklist', |
| 366 |
); |
| 367 |
} |
| 368 |
|
| 369 |
// WP_Filesystem class doesn’t directly provide a function for opening a stream to php://memory with the 'w' mode. |
| 370 |
$fp = fopen( 'php://memory', 'w' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fopen |
| 371 |
foreach ( $data as $fields ) { |
| 372 |
fputcsv( $fp, $fields, ',', '"', '\\' ); |
| 373 |
} |
| 374 |
$filename = 'wdf-ua-export-' . wp_date( 'ymdHis' ) . '.csv'; |
| 375 |
fseek( $fp, 0 ); |
| 376 |
header( 'Content-Type: text/csv' ); |
| 377 |
header( 'Content-Disposition: attachment; filename="' . $filename . '";' ); |
| 378 |
// Make php send the generated csv lines to the browser. |
| 379 |
fpassthru( $fp ); |
| 380 |
exit(); |
| 381 |
} |
| 382 |
|
| 383 |
/** |
| 384 |
* Importing UAs from exporter. |
| 385 |
* |
| 386 |
* @param Request $request The request object. |
| 387 |
* |
| 388 |
* @defender_route |
| 389 |
* @return Response |
| 390 |
*/ |
| 391 |
public function import_ua( Request $request ) { |
| 392 |
$data = $request->get_data( |
| 393 |
array( |
| 394 |
'id' => array( |
| 395 |
'type' => 'int', |
| 396 |
), |
| 397 |
) |
| 398 |
); |
| 399 |
|
| 400 |
$file = ''; |
| 401 |
$attached_id = $data['id'] ?? 0; |
| 402 |
if ( 0 < $attached_id ) { |
| 403 |
if ( ! is_object( get_post( $attached_id ) ) ) { |
| 404 |
return new Response( |
| 405 |
false, |
| 406 |
array( 'message' => esc_html__( 'Your file is invalid!', 'defender-security' ) ) |
| 407 |
); |
| 408 |
} |
| 409 |
|
| 410 |
$file = get_attached_file( $attached_id ); |
| 411 |
} else { |
| 412 |
$file_data = defender_get_data_from_request( 'file', 'f' ); |
| 413 |
if ( is_array( $file_data ) && isset( $file_data['tmp_name'] ) && is_uploaded_file( $file_data['tmp_name'] ) ) { |
| 414 |
$file = $file_data['tmp_name']; |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
if ( ! is_string( $file ) || '' === $file || ! is_file( $file ) ) { |
| 419 |
return new Response( |
| 420 |
false, |
| 421 |
array( 'message' => esc_html__( 'Your file is invalid!', 'defender-security' ) ) |
| 422 |
); |
| 423 |
} |
| 424 |
|
| 425 |
$data = $this->service->verify_import_file( $file ); |
| 426 |
if ( ! $data ) { |
| 427 |
return new Response( |
| 428 |
false, |
| 429 |
array( |
| 430 |
'message' => esc_html__( 'Your file content is invalid! Please use a CSV file format and try again.', 'defender-security' ), |
| 431 |
) |
| 432 |
); |
| 433 |
} |
| 434 |
|
| 435 |
// All good, start to import. |
| 436 |
foreach ( $data as $line ) { |
| 437 |
$this->model->add_to_list( $line[0], $line[1] ); |
| 438 |
} |
| 439 |
|
| 440 |
return new Response( |
| 441 |
true, |
| 442 |
array_merge( |
| 443 |
array( |
| 444 |
'message' => esc_html__( 'Your blocklist and allowlist have been successfully imported.', 'defender-security' ), |
| 445 |
'auto_close' => true, |
| 446 |
), |
| 447 |
$this->data_frontend() |
| 448 |
) |
| 449 |
); |
| 450 |
} |
| 451 |
|
| 452 |
/** |
| 453 |
* Exports strings. |
| 454 |
* |
| 455 |
* @return array An array of strings. |
| 456 |
*/ |
| 457 |
public function export_strings(): array { |
| 458 |
return array(); |
| 459 |
} |
| 460 |
} |
| 461 |
|
