| 1 |
<?php |
| 2 |
|
| 3 |
// Do not allow the file to be called directly. |
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/** |
| 9 |
* This class is used to upload the local logs to our API so it can |
| 10 |
* be shown on the app. |
| 11 |
*/ |
| 12 |
class P_Upload extends P_Core { |
| 13 |
|
| 14 |
/** |
| 15 |
* Add the actions required to upload logs to our API. |
| 16 |
* |
| 17 |
* @param Patchstack $core |
| 18 |
* @return void |
| 19 |
*/ |
| 20 |
public function __construct( $core ) { |
| 21 |
parent::__construct( $core ); |
| 22 |
|
| 23 |
// In case the software has never been synchronized, force it. |
| 24 |
if ( ! get_option( 'patchstack_software_data_hash', false ) && ! get_option( 'patchstack_software_upload_attempted', false ) ) { |
| 25 |
$this->upload_software(); |
| 26 |
} |
| 27 |
|
| 28 |
// Register the actions. |
| 29 |
add_action( 'patchstack_send_software_data', [ $this, 'upload_software' ] ); |
| 30 |
add_action( 'patchstack_send_hacker_logs', [ $this, 'upload_firewall_logs' ] ); |
| 31 |
add_action( 'patchstack_send_event_logs', [ $this, 'upload_activity_logs' ] ); |
| 32 |
add_action( 'patchstack_import_ap_logs', [ $this, 'import_ap_logs' ] ); |
| 33 |
|
| 34 |
// In case a plugin or upgrade has been performed, re-synchronize with the app. |
| 35 |
add_action( 'activated_plugin', [ $this, 'upload_software' ] ); |
| 36 |
add_action( 'deactivated_plugin', [ $this, 'upload_software' ] ); |
| 37 |
add_action( 'deleted_plugin', [ $this, 'upload_software' ] ); |
| 38 |
add_action( 'upgrader_process_complete', [ $this, 'upload_software' ] ); |
| 39 |
add_action( '_core_updated_successfully', [ &$this, 'upload_software' ] ); |
| 40 |
} |
| 41 |
|
| 42 |
/** |
| 43 |
* Synchronize the software data with our API. |
| 44 |
* This includes plugins, themes, WordPress and PHP version. |
| 45 |
* |
| 46 |
* @return void|array |
| 47 |
*/ |
| 48 |
public function upload_software() { |
| 49 |
// Get the software data and hash. |
| 50 |
$data = $this->get_software_data(); |
| 51 |
$hash = sha1( json_encode( $data ) ); |
| 52 |
|
| 53 |
// Do not sync for no reason. |
| 54 |
if ( ! defined( 'DOING_CRON' ) && ! isset( $_POST['patchstack_secret'] ) && get_option( 'patchstack_software_data_hash', false ) === $hash && ! is_admin() && ! defined( 'WP_CLI' ) ) { |
| 55 |
return; |
| 56 |
} |
| 57 |
|
| 58 |
// Make sure to not keep calling this function. |
| 59 |
update_option( 'patchstack_software_upload_attempted', 1 ); |
| 60 |
|
| 61 |
// Synchronize the software list with the API. |
| 62 |
$results = $this->plugin->api->upload_software( [ 'software' => json_encode( $data ) ] ); |
| 63 |
if ( isset( $results['success'] ) ) { |
| 64 |
update_option( 'patchstack_software_data_hash', $hash ); |
| 65 |
|
| 66 |
// The result will also contain a list of all vulnerable plugins on the site that is returned by the API. |
| 67 |
// If the auto update setting is enabled for vulnerable plugins, perform the update once the 15 minute |
| 68 |
// scheduled task "patchstack_update_plugins" is executed. |
| 69 |
$update = get_site_option( 'patchstack_auto_update', [] ); |
| 70 |
if ( isset( $results['vulnerable'] ) && is_array( $update ) && in_array( 'vulnerable', $update ) ) { |
| 71 |
update_site_option( 'patchstack_vulnerable_plugins', $results['vulnerable'] ); |
| 72 |
} |
| 73 |
|
| 74 |
// If we have vulnerable plugins, determine if we had them before and if not, pull latest firewall rules. |
| 75 |
if ( isset( $results['vulnerable'] ) && count( $results['vulnerable'] ) > 0 ) { |
| 76 |
$prev = get_site_option( 'patchstack_latest_vulnerable', [] ); |
| 77 |
foreach ( $results['vulnerable'] as $vuln ) { |
| 78 |
if ( is_array( $prev ) && ! in_array ( $vuln, $prev ) ) { |
| 79 |
do_action( 'patchstack_post_dynamic_firewall_rules' ); |
| 80 |
break; |
| 81 |
} |
| 82 |
} |
| 83 |
|
| 84 |
update_site_option( 'patchstack_latest_vulnerable', $results['vulnerable'] ); |
| 85 |
} else { |
| 86 |
update_site_option( 'patchstack_latest_vulnerable', [] ); |
| 87 |
} |
| 88 |
|
| 89 |
// If we received the number of vulnerable count. |
| 90 |
if ( isset ( $results['vulnerability_count'], $results['vulnerability_fix_count'] ) ) { |
| 91 |
update_option( 'patchstack_vulns_present', $results['vulnerability_count'] ); |
| 92 |
update_option( 'patchstack_fixes_present', $results['vulnerability_fix_count'] ); |
| 93 |
} |
| 94 |
|
| 95 |
return $results; |
| 96 |
} |
| 97 |
|
| 98 |
return; |
| 99 |
} |
| 100 |
|
| 101 |
/** |
| 102 |
* Synchronize the firewall logs with our API. |
| 103 |
* |
| 104 |
* @return void |
| 105 |
*/ |
| 106 |
public function upload_firewall_logs() { |
| 107 |
global $wpdb; |
| 108 |
|
| 109 |
// Do not execute upload action on free sites. |
| 110 |
if ( ! $this->license_is_active() || $this->get_option( 'patchstack_license_free', 0 ) == 1 ) { |
| 111 |
return; |
| 112 |
} |
| 113 |
|
| 114 |
// Do not process if we are already processing a previous batch. |
| 115 |
if ( get_option( 'patchstack_firewall_log_processing', false ) ) { |
| 116 |
return; |
| 117 |
} |
| 118 |
|
| 119 |
update_option( 'patchstack_firewall_log_processing', 1 ); |
| 120 |
|
| 121 |
// Attempt to fetch data, if any. |
| 122 |
$lastId = get_option( 'patchstack_firewall_log_lastid', 0 ); |
| 123 |
$successId = $lastId; |
| 124 |
|
| 125 |
// Do a maximum of 100 log entries per cronjob. |
| 126 |
for ($i = 0; $i <= 1; $i++) { |
| 127 |
// Pull the data from the database, in batches of 100. |
| 128 |
$items = $wpdb->get_results( |
| 129 |
$wpdb->prepare( |
| 130 |
'SELECT id, ip, log_date, request_uri, user_agent, fid, method, post_data FROM ' . $wpdb->prefix . 'patchstack_firewall_log WHERE id > %d ORDER BY id LIMIT 0,100', |
| 131 |
$lastId |
| 132 |
) |
| 133 |
); |
| 134 |
|
| 135 |
// No need to continue if we have no data. |
| 136 |
if ( $wpdb->num_rows == 0 ) { |
| 137 |
update_option( 'patchstack_firewall_log_lastid', 0 ); |
| 138 |
break; |
| 139 |
} |
| 140 |
|
| 141 |
// Construct the array to be uploaded to our API. |
| 142 |
$logs = []; |
| 143 |
foreach ( $items as $item ) { |
| 144 |
|
| 145 |
// Always advance the cursor so filtered rows don't stall the batch. |
| 146 |
$lastId = $item->id; |
| 147 |
|
| 148 |
// Entries that we don't want to store on the API side. |
| 149 |
if ( stripos( $item->request_uri, 'wp-comments-post' ) !== false ) { |
| 150 |
continue; |
| 151 |
} |
| 152 |
|
| 153 |
// Push to entries to be uploaded. |
| 154 |
$logs[] = [ |
| 155 |
'ip' => $item->ip, |
| 156 |
'fid' => $item->fid, |
| 157 |
'request_uri' => $item->request_uri, |
| 158 |
'user_agent' => $item->user_agent, |
| 159 |
'method' => $item->method, |
| 160 |
'log_date' => $item->log_date, |
| 161 |
'post_data' => $item->post_data, |
| 162 |
]; |
| 163 |
} |
| 164 |
|
| 165 |
// JSON encode the logs and upload. |
| 166 |
$logs = json_encode( $logs ); |
| 167 |
$results = $this->plugin->api->upload_firewall_logs( |
| 168 |
[ |
| 169 |
'logs' => $logs, |
| 170 |
'type' => 'firewall', |
| 171 |
] |
| 172 |
); |
| 173 |
|
| 174 |
// A failed upload returns a status code or null instead of an array; |
| 175 |
// bail without advancing so the logs are not deleted before they reach the API. |
| 176 |
if ( ! is_array( $results ) || isset( $results['errors'] ) ) { |
| 177 |
update_option( 'patchstack_firewall_log_lastid', $successId ); |
| 178 |
break; |
| 179 |
} |
| 180 |
|
| 181 |
$successId = $lastId; |
| 182 |
update_option( 'patchstack_firewall_log_lastid', $successId ); |
| 183 |
} |
| 184 |
|
| 185 |
// Delete the logs. |
| 186 |
$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_firewall_log WHERE id <= ' . (int) $successId ); |
| 187 |
|
| 188 |
// No longer processing. |
| 189 |
update_option( 'patchstack_firewall_log_processing', 0 ); |
| 190 |
} |
| 191 |
|
| 192 |
/** |
| 193 |
* Synchronize the activity logs with our API. |
| 194 |
* |
| 195 |
* @return void |
| 196 |
*/ |
| 197 |
public function upload_activity_logs() { |
| 198 |
global $wpdb; |
| 199 |
|
| 200 |
// Do not execute upload action on free sites. |
| 201 |
if ( ! $this->license_is_active() || $this->get_option( 'patchstack_license_free', 0 ) == 1 ) { |
| 202 |
return; |
| 203 |
} |
| 204 |
|
| 205 |
// Do not process if we are already processing a previous batch. |
| 206 |
if ( get_option( 'patchstack_eventlog_processing', false ) ) { |
| 207 |
return; |
| 208 |
} |
| 209 |
|
| 210 |
update_option( 'patchstack_eventlog_processing', 1 ); |
| 211 |
|
| 212 |
// Determine if we should upload failed logins to the app. |
| 213 |
$where = " AND action != 'failed login' "; |
| 214 |
if ( $this->get_option( 'patchstack_activity_log_failed_logins_db', 0 ) == 1 ) { |
| 215 |
$where = ' '; |
| 216 |
} |
| 217 |
|
| 218 |
// Attempt to fetch data, if any. |
| 219 |
$lastId = get_option( 'patchstack_eventlog_lastid', 0 ); |
| 220 |
$successId = $lastId; |
| 221 |
|
| 222 |
// Do a maximum of several hundred log entries per cronjob. |
| 223 |
for ($i = 0; $i <= 1; $i++) { |
| 224 |
// Pull the data from the database, in batches of 100. |
| 225 |
$items = $wpdb->get_results( |
| 226 |
$wpdb->prepare( |
| 227 |
'SELECT id, author, ip, object, object_id, object_name, action, date FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE id > %d' . $where . 'ORDER BY id LIMIT 0,100', |
| 228 |
$lastId |
| 229 |
), |
| 230 |
ARRAY_A |
| 231 |
); |
| 232 |
|
| 233 |
// No need to continue if we have no data. |
| 234 |
if ( $wpdb->num_rows == 0 ) { |
| 235 |
update_option( 'patchstack_eventlog_lastid', 0 ); |
| 236 |
break; |
| 237 |
} |
| 238 |
|
| 239 |
// Get the last ID in the result set. |
| 240 |
$lastId = $items[count($items) - 1]['id']; |
| 241 |
|
| 242 |
// Send to the API. |
| 243 |
$logs = json_encode( $items ); |
| 244 |
$results = $this->plugin->api->upload_activity_logs( [ 'logs' => $logs ] ); |
| 245 |
|
| 246 |
// A failed upload returns a status code or null instead of an array; |
| 247 |
// bail without advancing so the logs are not deleted before they reach the API. |
| 248 |
if ( ! is_array( $results ) || isset( $results['errors'] ) ) { |
| 249 |
update_option( 'patchstack_eventlog_lastid', $successId ); |
| 250 |
break; |
| 251 |
} |
| 252 |
|
| 253 |
$successId = $lastId; |
| 254 |
update_option( 'patchstack_eventlog_lastid', $successId ); |
| 255 |
} |
| 256 |
|
| 257 |
// Delete the logs. |
| 258 |
$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE id <= ' . (int) $successId ); |
| 259 |
|
| 260 |
// No longer processing. |
| 261 |
update_option( 'patchstack_eventlog_processing', 0 ); |
| 262 |
} |
| 263 |
|
| 264 |
/** |
| 265 |
* Obtain information about the software that the user has installed. |
| 266 |
* This includes plugins, themes, WordPress and PHP version. |
| 267 |
* |
| 268 |
* @return array |
| 269 |
*/ |
| 270 |
public function get_software_data() { |
| 271 |
if ( ! function_exists( 'get_plugins' ) ) { |
| 272 |
require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 273 |
} |
| 274 |
if ( ! function_exists( 'get_plugin_updates' ) ) { |
| 275 |
require_once ABSPATH . 'wp-admin/includes/update.php'; |
| 276 |
} |
| 277 |
|
| 278 |
// Refetch updates data if we are performing a plugin listener related action. |
| 279 |
if ( isset( $_POST['patchstack_secret'] ) ) { |
| 280 |
@require_once ABSPATH . 'wp-includes/update.php'; |
| 281 |
@wp_update_themes(); |
| 282 |
@wp_update_plugins(); |
| 283 |
} |
| 284 |
|
| 285 |
// Fetch list of plugins. |
| 286 |
$all_plugin = get_plugins(); |
| 287 |
$installed_plugins = array_keys( $all_plugin ); |
| 288 |
$updatable_plugins = get_plugin_updates(); |
| 289 |
$software_list = []; |
| 290 |
|
| 291 |
foreach ( $installed_plugins as $plugin ) { |
| 292 |
if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) { |
| 293 |
continue; |
| 294 |
} |
| 295 |
|
| 296 |
$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); |
| 297 |
$new_version = empty( $updatable_plugins[ $plugin ]->update->new_version ) ? '' : $updatable_plugins[ $plugin ]->update->new_version; |
| 298 |
$plugin_name = empty( $plugin_data['Name'] ) ? '' : $plugin_data['Name']; |
| 299 |
$plugin_version = empty( $plugin_data['Version'] ) ? '' : $plugin_data['Version']; |
| 300 |
|
| 301 |
if ( ! empty( $plugin_name ) && ! empty( $plugin_version ) ) { |
| 302 |
|
| 303 |
// Determine the active state. |
| 304 |
if ( isset( $_GET['action'], $_GET['plugin'] ) && $_GET['action'] == 'deactivate' && $_GET['plugin'] == $plugin) { |
| 305 |
$active = 0; |
| 306 |
} else { |
| 307 |
$active = (int) is_plugin_active( $plugin ); |
| 308 |
} |
| 309 |
|
| 310 |
$software_list[] = [ |
| 311 |
'sw_type' => 'plugin', |
| 312 |
'sw_name' => $plugin_name, |
| 313 |
'sw_cur_ver' => $plugin_version, |
| 314 |
'sw_new_ver' => $new_version, |
| 315 |
'sw_key' => $plugin, |
| 316 |
'sw_active' => $active |
| 317 |
]; |
| 318 |
} |
| 319 |
} |
| 320 |
|
| 321 |
// Fetch list of themes. |
| 322 |
$themes = wp_get_themes(); |
| 323 |
$themes_keys = array_keys( $themes ); |
| 324 |
$updatable_themes = get_theme_updates(); |
| 325 |
|
| 326 |
foreach ( $themes_keys as $theme_key ) { |
| 327 |
$themes_data = $themes[ $theme_key ]; |
| 328 |
$theme_temporary = empty( $updatable_themes[ $theme_key ] ) ? '' : $updatable_themes[ $theme_key ]; |
| 329 |
$theme_new_version = empty( $updatable_themes[ $theme_key ] ) || ! isset( $theme_temporary->update, $theme_temporary->update['new_version'] ) ? '' : $theme_temporary->update['new_version']; |
| 330 |
$theme_name = $themes_data->get( 'Name' ); |
| 331 |
$theme_version = $themes_data->get( 'Version' ); |
| 332 |
|
| 333 |
if ( ! empty( $theme_name ) && ! empty( $theme_version ) ) { |
| 334 |
$software_list[] = [ |
| 335 |
'sw_type' => 'theme', |
| 336 |
'sw_name' => $theme_name, |
| 337 |
'sw_cur_ver' => $theme_version, |
| 338 |
'sw_new_ver' => $theme_new_version, |
| 339 |
'sw_key' => $theme_key, |
| 340 |
]; |
| 341 |
} |
| 342 |
} |
| 343 |
|
| 344 |
// Fetch WordPress version. |
| 345 |
global $wp_version; |
| 346 |
$core_updates = get_core_updates(); |
| 347 |
$new_wp_version = ( ! empty( $core_updates ) && $core_updates[0]->response == 'upgrade' ) ? $core_updates[0]->version : ''; |
| 348 |
$software_list[] = [ |
| 349 |
'sw_type' => 'wordpress', |
| 350 |
'sw_name' => 'WordPress', |
| 351 |
'sw_cur_ver' => $wp_version, |
| 352 |
'sw_new_ver' => $new_wp_version, |
| 353 |
]; |
| 354 |
|
| 355 |
// Fetch PHP version. |
| 356 |
$software_list[] = [ |
| 357 |
'sw_type' => 'php', |
| 358 |
'sw_name' => 'PHP', |
| 359 |
'sw_cur_ver' => phpversion(), |
| 360 |
'sw_new_ver' => '', |
| 361 |
]; |
| 362 |
|
| 363 |
// Fetch database server version. |
| 364 |
global $wpdb; |
| 365 |
if ( ! is_null( $wpdb ) ) { |
| 366 |
$software_list[] = [ |
| 367 |
'sw_type' => 'database', |
| 368 |
'sw_name' => 'Database', |
| 369 |
'sw_cur_ver' => $wpdb->get_var( 'SELECT VERSION()' ), |
| 370 |
'sw_new_ver' => '' |
| 371 |
]; |
| 372 |
} |
| 373 |
|
| 374 |
$software_list = apply_filters( 'patchstack_get_software_data', $software_list ); |
| 375 |
return $software_list; |
| 376 |
} |
| 377 |
|
| 378 |
/** |
| 379 |
* Import the logs generated by the auto prepend firewall rules. |
| 380 |
* |
| 381 |
* @return void |
| 382 |
*/ |
| 383 |
public function import_ap_logs() |
| 384 |
{ |
| 385 |
if ( ! get_option( 'patchstack_firewall_ap_enabled', false ) ) { |
| 386 |
return; |
| 387 |
} |
| 388 |
|
| 389 |
// Do not process if we are already processing a previous batch. |
| 390 |
if ( get_option( 'patchstack_firewall_log_ap_processing', false ) ) { |
| 391 |
return; |
| 392 |
} |
| 393 |
|
| 394 |
// Attempt to load config file. |
| 395 |
$logs = __DIR__ . '/../../../pslogs/logs.php'; |
| 396 |
if ( ! file_exists( $logs ) ) { |
| 397 |
return; |
| 398 |
} |
| 399 |
|
| 400 |
// Load the extension. |
| 401 |
if ( ! file_exists( __DIR__ . '/../lib/patchstack/vendor/autoload.php' ) ) { |
| 402 |
return; |
| 403 |
} |
| 404 |
|
| 405 |
// Set the processing lock only once we know there is work to do, otherwise an |
| 406 |
// early return above would leave the lock stuck and block all future imports. |
| 407 |
update_option( 'patchstack_firewall_log_ap_processing', 1 ); |
| 408 |
|
| 409 |
global $wpdb; |
| 410 |
|
| 411 |
require_once __DIR__ . '/../lib/patchstack/vendor/autoload.php'; |
| 412 |
$extension = new Patchstack\Extensions\WordPress\Extension( [], $this ); |
| 413 |
|
| 414 |
// Read the logs file. |
| 415 |
$file = new SplFileObject( $logs ); |
| 416 |
|
| 417 |
// Iterate through each line. |
| 418 |
while ( ! $file->eof() ) { |
| 419 |
$line = $file->fgets(); |
| 420 |
|
| 421 |
// Skip first line. |
| 422 |
if ( trim($line) == '' || strpos( $line, '<?php' ) !== false ) { |
| 423 |
continue; |
| 424 |
} |
| 425 |
|
| 426 |
// Decode the line to import. |
| 427 |
$data = json_decode( base64_decode( $line ), true ); |
| 428 |
if ( ! $data || ! is_array( $data ) ) { |
| 429 |
continue; |
| 430 |
} |
| 431 |
|
| 432 |
// Skip malformed entries that are missing the fields we rely on below. |
| 433 |
if ( ! isset( $data['site_id'], $data['ip'], $data['request_uri'], $data['user_agent'], $data['method'], $data['fid'], $data['post_data'] ) ) { |
| 434 |
continue; |
| 435 |
} |
| 436 |
|
| 437 |
// Insert into the logs. |
| 438 |
$wpdb->insert( |
| 439 |
$wpdb->get_blog_prefix( $data['site_id'] ) . 'patchstack_firewall_log', |
| 440 |
[ |
| 441 |
'ip' => $data['ip'], |
| 442 |
'request_uri' => $data['request_uri'], |
| 443 |
'user_agent' => $data['user_agent'], |
| 444 |
'method' => $data['method'], |
| 445 |
'fid' => $data['fid'], |
| 446 |
'flag' => '', |
| 447 |
'post_data' => $data['post_data'], |
| 448 |
'block_type' => 'BLOCK' |
| 449 |
] |
| 450 |
); |
| 451 |
|
| 452 |
// Update counters. |
| 453 |
$hits = (int) $this->get_blog_option( $data['site_id'], 'patchstack_hits_all_time', 0 ); |
| 454 |
$this->update_blog_option( $data['site_id'], 'patchstack_hits_all_time', $hits + 1 ); |
| 455 |
|
| 456 |
$counters = $this->get_blog_option( $data['site_id'], 'patchstack_hits_last_30', [] ); |
| 457 |
$counters = $extension->merge_counters( [ date('Y-m-d') => 1 ], $counters ); |
| 458 |
$this->update_blog_option( $data['site_id'], 'patchstack_hits_last_30', $counters ); |
| 459 |
} |
| 460 |
|
| 461 |
$file = null; |
| 462 |
file_put_contents( $logs, '<?php exit; ?>' . PHP_EOL ); |
| 463 |
|
| 464 |
// Update processing state. |
| 465 |
update_option( 'patchstack_firewall_log_ap_processing', 0 ); |
| 466 |
} |
| 467 |
} |
| 468 |
|
