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| 1 | <?php |
| 2 | /** |
| 3 | * Blocklog manager for the WAF |
| 4 | * |
| 5 | * @package automattic/jetpack-waf |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Waf; |
| 9 | |
| 10 | /** |
| 11 | * Class used to manage blocklog operations |
| 12 | */ |
| 13 | class Waf_Blocklog_Manager { |
| 14 | |
| 15 | const BLOCKLOG_OPTION_NAME_DAILY_SUMMARY = 'jetpack_waf_blocklog_daily_summary'; |
| 16 | const BLOCKLOG_OPTION_NAME_ALL_TIME_BLOCK_COUNT = 'jetpack_waf_all_time_block_count'; |
| 17 | const BLOCKLOG_OPTION_NAME_HAS_BLOCKED = 'jetpack_waf_has_blocked'; |
| 18 | |
| 19 | /** |
| 20 | * Database connection. |
| 21 | * |
| 22 | * @var \mysqli|null |
| 23 | */ |
| 24 | private static $db_connection = null; |
| 25 | |
| 26 | /** |
| 27 | * Gets the path to the waf-blocklog file. |
| 28 | * |
| 29 | * @return string The waf-blocklog file path. |
| 30 | */ |
| 31 | public static function get_blocklog_file_path() { |
| 32 | return trailingslashit( JETPACK_WAF_DIR ) . 'waf-blocklog'; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Connect to WordPress database. |
| 37 | * |
| 38 | * @return \mysqli|null |
| 39 | */ |
| 40 | private static function connect_to_wordpress_db() { |
| 41 | if ( self::$db_connection !== null ) { |
| 42 | return self::$db_connection; |
| 43 | } |
| 44 | |
| 45 | if ( ! file_exists( JETPACK_WAF_WPCONFIG ) ) { |
| 46 | return null; |
| 47 | } |
| 48 | |
| 49 | require_once JETPACK_WAF_WPCONFIG; |
| 50 | // @phan-suppress-next-line PhanUndeclaredConstant - These constants are defined in the wp-config file. |
| 51 | $conn = new \mysqli( DB_HOST, DB_USER, DB_PASSWORD, DB_NAME ); // phpcs:ignore WordPress.DB.RestrictedClasses.mysql__mysqli |
| 52 | |
| 53 | if ( $conn->connect_error ) { |
| 54 | error_log( 'Could not connect to the database:' . $conn->connect_error ); |
| 55 | return null; |
| 56 | } |
| 57 | |
| 58 | self::$db_connection = $conn; |
| 59 | return self::$db_connection; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Close the database connection. |
| 64 | * |
| 65 | * @return void |
| 66 | */ |
| 67 | private static function close_db_connection() { |
| 68 | if ( self::$db_connection ) { |
| 69 | self::$db_connection->close(); |
| 70 | self::$db_connection = null; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Serialize a value for storage in a WordPress option. |
| 76 | * |
| 77 | * @param mixed $value The value to serialize. |
| 78 | * @return string The serialized value. |
| 79 | */ |
| 80 | private static function serialize_option_value( $value ) { |
| 81 | return serialize( $value ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Unserialize a value from a WordPress option. |
| 86 | * |
| 87 | * @param string $value The serialized value. |
| 88 | * @return mixed The unserialized value. |
| 89 | */ |
| 90 | private static function unserialize_option_value( string $value ) { |
| 91 | return unserialize( $value ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Create the log table when plugin is activated. |
| 96 | * |
| 97 | * @return void |
| 98 | */ |
| 99 | public static function create_blocklog_table() { |
| 100 | global $wpdb; |
| 101 | |
| 102 | require_once ABSPATH . 'wp-admin/includes/upgrade.php'; |
| 103 | |
| 104 | $sql = " |
| 105 | CREATE TABLE {$wpdb->prefix}jetpack_waf_blocklog ( |
| 106 | log_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, |
| 107 | timestamp datetime NOT NULL, |
| 108 | rule_id BIGINT NOT NULL, |
| 109 | reason longtext NOT NULL, |
| 110 | PRIMARY KEY (log_id), |
| 111 | KEY timestamp (timestamp) |
| 112 | ) |
| 113 | "; |
| 114 | |
| 115 | dbDelta( $sql ); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Write block logs to database. |
| 120 | * |
| 121 | * @param array $log_data Log data. |
| 122 | * |
| 123 | * @return void |
| 124 | */ |
| 125 | private static function write_blocklog_row( $log_data ) { |
| 126 | $conn = self::connect_to_wordpress_db(); |
| 127 | |
| 128 | if ( ! $conn ) { |
| 129 | return; |
| 130 | } |
| 131 | |
| 132 | global $table_prefix; |
| 133 | |
| 134 | $statement = $conn->prepare( "INSERT INTO {$table_prefix}jetpack_waf_blocklog(reason,rule_id, timestamp) VALUES (?, ?, ?)" ); |
| 135 | if ( false !== $statement ) { |
| 136 | $statement->bind_param( 'sis', $log_data['reason'], $log_data['rule_id'], $log_data['timestamp'] ); |
| 137 | $statement->execute(); |
| 138 | |
| 139 | if ( $conn->insert_id > 100 ) { |
| 140 | $conn->query( "DELETE FROM {$table_prefix}jetpack_waf_blocklog ORDER BY log_id LIMIT 1" ); |
| 141 | } |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Get the daily summary stats from the database. |
| 147 | * |
| 148 | * @return array The daily summary stats. |
| 149 | */ |
| 150 | private static function get_daily_summary() { |
| 151 | global $table_prefix; |
| 152 | $db_connection = self::connect_to_wordpress_db(); |
| 153 | if ( ! $db_connection ) { |
| 154 | return array(); |
| 155 | } |
| 156 | |
| 157 | $result = $db_connection->query( "SELECT option_value FROM {$table_prefix}options WHERE option_name = '" . self::BLOCKLOG_OPTION_NAME_DAILY_SUMMARY . "'" ); |
| 158 | if ( ! $result ) { |
| 159 | return array(); |
| 160 | } |
| 161 | |
| 162 | $row = $result->fetch_assoc(); |
| 163 | if ( ! $row ) { |
| 164 | return array(); |
| 165 | } |
| 166 | |
| 167 | $daily_summary = self::unserialize_option_value( $row['option_value'] ); |
| 168 | $result->free(); |
| 169 | |
| 170 | return is_array( $daily_summary ) ? $daily_summary : array(); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Increments the current date's daily summary stat. |
| 175 | * |
| 176 | * @param array $current_value The current value of the daily summary. |
| 177 | * |
| 178 | * @return array The updated daily summary. |
| 179 | */ |
| 180 | public static function increment_daily_summary( array $current_value ) { |
| 181 | $date = gmdate( 'Y-m-d' ); |
| 182 | $value = intval( $current_value[ $date ] ?? 0 ); |
| 183 | $current_value[ $date ] = $value + 1; |
| 184 | |
| 185 | return $current_value; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Update the daily summary option in the database. |
| 190 | * |
| 191 | * @param array $value The value to update. |
| 192 | * |
| 193 | * @return void |
| 194 | */ |
| 195 | private static function write_daily_summary_row( array $value ) { |
| 196 | global $table_prefix; |
| 197 | $option_name = self::BLOCKLOG_OPTION_NAME_DAILY_SUMMARY; |
| 198 | |
| 199 | $db_connection = self::connect_to_wordpress_db(); |
| 200 | if ( ! $db_connection ) { |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | $updated_value = self::serialize_option_value( $value ); |
| 205 | |
| 206 | $statement = $db_connection->prepare( "INSERT INTO {$table_prefix}options (option_name, option_value) VALUES (?, ?) ON DUPLICATE KEY UPDATE option_value = ?" ); |
| 207 | if ( false !== $statement ) { |
| 208 | $statement->bind_param( 'sss', $option_name, $updated_value, $updated_value ); |
| 209 | $statement->execute(); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Update the daily summary stats for the current date. |
| 215 | * |
| 216 | * @return void |
| 217 | */ |
| 218 | private static function write_daily_summary() { |
| 219 | $stats = self::get_daily_summary(); |
| 220 | $stats = self::increment_daily_summary( $stats ); |
| 221 | $stats = self::filter_last_30_days( $stats ); |
| 222 | |
| 223 | self::write_daily_summary_row( $stats ); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Get the all-time block count value from the database. |
| 228 | * |
| 229 | * @return int The all-time block count. |
| 230 | */ |
| 231 | private static function get_all_time_block_count_value() { |
| 232 | global $table_prefix; |
| 233 | $db_connection = self::connect_to_wordpress_db(); |
| 234 | if ( ! $db_connection ) { |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | $result = $db_connection->query( "SELECT option_value FROM {$table_prefix}options WHERE option_name = '" . self::BLOCKLOG_OPTION_NAME_ALL_TIME_BLOCK_COUNT . "'" ); |
| 239 | if ( ! $result ) { |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | $row = $result->fetch_assoc(); |
| 244 | if ( ! $row ) { |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | $all_time_block_count = intval( $row['option_value'] ); |
| 249 | $result->free(); |
| 250 | |
| 251 | return $all_time_block_count; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Update the all-time block count value in the database. |
| 256 | * |
| 257 | * @param int $value The value to update. |
| 258 | * @return void |
| 259 | */ |
| 260 | private static function write_all_time_block_count_row( int $value ) { |
| 261 | global $table_prefix; |
| 262 | $option_name = self::BLOCKLOG_OPTION_NAME_ALL_TIME_BLOCK_COUNT; |
| 263 | |
| 264 | $db_connection = self::connect_to_wordpress_db(); |
| 265 | if ( ! $db_connection ) { |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | $statement = $db_connection->prepare( "INSERT INTO {$table_prefix}options (option_name, option_value) VALUES (?, ?) ON DUPLICATE KEY UPDATE option_value = ?" ); |
| 270 | if ( false !== $statement ) { |
| 271 | $statement->bind_param( 'sii', $option_name, $value, $value ); |
| 272 | $statement->execute(); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Record that the firewall has blocked a request other than its own test. Set once and never cleared. |
| 278 | * |
| 279 | * @return void |
| 280 | */ |
| 281 | private static function write_has_blocked_row() { |
| 282 | global $table_prefix; |
| 283 | $option_name = self::BLOCKLOG_OPTION_NAME_HAS_BLOCKED; |
| 284 | |
| 285 | $db_connection = self::connect_to_wordpress_db(); |
| 286 | if ( ! $db_connection ) { |
| 287 | return; |
| 288 | } |
| 289 | |
| 290 | $statement = $db_connection->prepare( "INSERT IGNORE INTO {$table_prefix}options (option_name, option_value, autoload) VALUES (?, '1', 'off')" ); |
| 291 | if ( false !== $statement ) { |
| 292 | $statement->bind_param( 's', $option_name ); |
| 293 | $statement->execute(); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Increment the all-time stats. |
| 299 | * |
| 300 | * @return void |
| 301 | */ |
| 302 | private static function write_all_time_block_count() { |
| 303 | $block_count = self::get_all_time_block_count_value(); |
| 304 | if ( ! $block_count ) { |
| 305 | $block_count = self::get_default_all_time_stat_value(); |
| 306 | } |
| 307 | |
| 308 | self::write_all_time_block_count_row( $block_count + 1 ); |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Filters the stats to retain only data for the last 30 days. |
| 313 | * |
| 314 | * @param array $stats The array of stats to prune. |
| 315 | * |
| 316 | * @return array Pruned stats array. |
| 317 | */ |
| 318 | public static function filter_last_30_days( array $stats ) { |
| 319 | $today = gmdate( 'Y-m-d' ); |
| 320 | $one_month_ago = gmdate( 'Y-m-d', strtotime( '-30 days' ) ); |
| 321 | |
| 322 | return array_filter( |
| 323 | $stats, |
| 324 | function ( $date ) use ( $one_month_ago, $today ) { |
| 325 | return $date >= $one_month_ago && $date <= $today; |
| 326 | }, |
| 327 | ARRAY_FILTER_USE_KEY |
| 328 | ); |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * Read an option the firewall writes with its own connection, which leaves the object cache stale. |
| 333 | * |
| 334 | * That connection uses the network's base prefix, so on a multisite subsite these aren't the site's own options. |
| 335 | * |
| 336 | * @param string $name The option name. |
| 337 | * @param mixed $default The value when the option doesn't exist. |
| 338 | * @return mixed |
| 339 | */ |
| 340 | private static function get_stored_option( $name, $default ) { |
| 341 | global $wpdb; |
| 342 | |
| 343 | if ( ! isset( $wpdb ) ) { |
| 344 | return get_option( $name, $default ); |
| 345 | } |
| 346 | |
| 347 | // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- The cache is what's stale. |
| 348 | $value = $wpdb->get_var( $wpdb->prepare( "SELECT option_value FROM {$wpdb->base_prefix}options WHERE option_name = %s", $name ) ); |
| 349 | |
| 350 | return null === $value ? $default : maybe_unserialize( $value ); |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * Get the total number of blocked requests for today. |
| 355 | * |
| 356 | * @return int |
| 357 | */ |
| 358 | public static function get_current_day_block_count() { |
| 359 | $stats = self::get_stored_option( self::BLOCKLOG_OPTION_NAME_DAILY_SUMMARY, array() ); |
| 360 | $today = gmdate( 'Y-m-d' ); |
| 361 | |
| 362 | return $stats[ $today ] ?? 0; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * Blocked requests on each UTC day, keyed by `Y-m-d`. Days past 30 are only pruned when a block is written. |
| 367 | * |
| 368 | * @since $$next-version$$ |
| 369 | * |
| 370 | * @return array<string, int> |
| 371 | */ |
| 372 | public static function get_daily_block_counts() { |
| 373 | $stats = self::get_stored_option( self::BLOCKLOG_OPTION_NAME_DAILY_SUMMARY, array() ); |
| 374 | |
| 375 | return is_array( $stats ) ? array_map( 'intval', $stats ) : array(); |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * Get the total number of blocked requests for last thirty days. |
| 380 | * |
| 381 | * @return int |
| 382 | */ |
| 383 | public static function get_thirty_days_block_counts() { |
| 384 | // Old days are only pruned when a block is written, so a quiet site still has them. |
| 385 | $stats = self::filter_last_30_days( (array) self::get_stored_option( self::BLOCKLOG_OPTION_NAME_DAILY_SUMMARY, array() ) ); |
| 386 | $total_blocks = 0; |
| 387 | |
| 388 | foreach ( $stats as $count ) { |
| 389 | $total_blocks += intval( $count ); |
| 390 | } |
| 391 | |
| 392 | return $total_blocks; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Get the total number of blocked requests for all time. |
| 397 | * |
| 398 | * @return int |
| 399 | */ |
| 400 | public static function get_all_time_block_count() { |
| 401 | $all_time_block_count = self::get_stored_option( self::BLOCKLOG_OPTION_NAME_ALL_TIME_BLOCK_COUNT, false ); |
| 402 | |
| 403 | if ( false !== $all_time_block_count ) { |
| 404 | return intval( $all_time_block_count ); |
| 405 | } |
| 406 | |
| 407 | return self::get_default_all_time_stat_value(); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Whether the firewall has blocked a request other than its own test since it started recording that. |
| 412 | * |
| 413 | * @since $$next-version$$ |
| 414 | * |
| 415 | * @return bool |
| 416 | */ |
| 417 | public static function has_blocked_requests() { |
| 418 | return (bool) self::get_stored_option( self::BLOCKLOG_OPTION_NAME_HAS_BLOCKED, false ); |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * Get the most recent blocked requests, newest first. The table keeps only the last 100. |
| 423 | * |
| 424 | * @since 0.30.0 |
| 425 | * |
| 426 | * @param int $limit How many to return. |
| 427 | * @return array<int, array{id: int, timestamp: string, ruleId: int, reason: string}> Timestamps are ISO 8601 UTC. |
| 428 | */ |
| 429 | public static function get_recent_blocks( $limit = 10 ) { |
| 430 | global $wpdb; |
| 431 | |
| 432 | $suppress = $wpdb->suppress_errors(); |
| 433 | // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- A custom table, read on demand. |
| 434 | $rows = $wpdb->get_results( |
| 435 | $wpdb->prepare( |
| 436 | "SELECT log_id, timestamp, rule_id, reason FROM {$wpdb->base_prefix}jetpack_waf_blocklog ORDER BY log_id DESC LIMIT %d", |
| 437 | $limit |
| 438 | ), |
| 439 | ARRAY_A |
| 440 | ); |
| 441 | $wpdb->suppress_errors( $suppress ); |
| 442 | |
| 443 | if ( ! is_array( $rows ) ) { |
| 444 | return array(); |
| 445 | } |
| 446 | |
| 447 | return array_map( |
| 448 | function ( $row ) { |
| 449 | return array( |
| 450 | 'id' => (int) $row['log_id'], |
| 451 | 'timestamp' => str_replace( ' ', 'T', $row['timestamp'] ) . 'Z', |
| 452 | 'ruleId' => (int) $row['rule_id'], |
| 453 | 'reason' => (string) $row['reason'], |
| 454 | ); |
| 455 | }, |
| 456 | $rows |
| 457 | ); |
| 458 | } |
| 459 | |
| 460 | /** |
| 461 | * Compute the initial all-time stats value. |
| 462 | * |
| 463 | * @return int The initial all-time stats value. |
| 464 | */ |
| 465 | private static function get_default_all_time_stat_value() { |
| 466 | global $wpdb; |
| 467 | |
| 468 | // Inside WordPress, so connecting would load wp-config.php a second time. |
| 469 | if ( isset( $wpdb ) ) { |
| 470 | // The table doesn't exist until the firewall is first turned on. |
| 471 | $suppress = $wpdb->suppress_errors(); |
| 472 | // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- A custom table. |
| 473 | $last_id = $wpdb->get_var( "SELECT log_id FROM {$wpdb->base_prefix}jetpack_waf_blocklog ORDER BY log_id DESC LIMIT 1" ); |
| 474 | $wpdb->suppress_errors( $suppress ); |
| 475 | |
| 476 | return intval( $last_id ); |
| 477 | } |
| 478 | |
| 479 | $conn = self::connect_to_wordpress_db(); |
| 480 | if ( ! $conn ) { |
| 481 | return 0; |
| 482 | } |
| 483 | |
| 484 | global $table_prefix; |
| 485 | |
| 486 | $last_log_id_result = $conn->query( "SELECT log_id FROM {$table_prefix}jetpack_waf_blocklog ORDER BY log_id DESC LIMIT 1" ); |
| 487 | |
| 488 | $all_time_block_count = 0; |
| 489 | |
| 490 | if ( $last_log_id_result && $last_log_id_result->num_rows > 0 ) { |
| 491 | $row = $last_log_id_result->fetch_assoc(); |
| 492 | if ( $row !== null && isset( $row['log_id'] ) ) { |
| 493 | $all_time_block_count = $row['log_id']; |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | return intval( $all_time_block_count ); |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * Get the headers for logging purposes. |
| 502 | * |
| 503 | * @return array The headers. |
| 504 | */ |
| 505 | public static function get_request_headers() { |
| 506 | $all_headers = getallheaders(); |
| 507 | $exclude_headers = array( 'Authorization', 'Cookie', 'Proxy-Authorization', 'Set-Cookie' ); |
| 508 | |
| 509 | foreach ( $exclude_headers as $header ) { |
| 510 | unset( $all_headers[ $header ] ); |
| 511 | } |
| 512 | |
| 513 | return $all_headers; |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Write block logs. We won't write to the file if it exceeds 100 mb. |
| 518 | * |
| 519 | * @param string $rule_id The rule ID that triggered the block. |
| 520 | * @param string $reason The reason for the block. |
| 521 | * |
| 522 | * @return void |
| 523 | */ |
| 524 | public static function write_blocklog( $rule_id, $reason ) { |
| 525 | $log_data = array(); |
| 526 | $log_data['rule_id'] = $rule_id; |
| 527 | $log_data['reason'] = $reason; |
| 528 | $log_data['timestamp'] = gmdate( 'Y-m-d H:i:s' ); |
| 529 | $log_data['request_uri'] = isset( $_SERVER['REQUEST_URI'] ) ? \stripslashes( $_SERVER['REQUEST_URI'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash |
| 530 | $log_data['user_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? \stripslashes( $_SERVER['HTTP_USER_AGENT'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash |
| 531 | $log_data['referer'] = isset( $_SERVER['HTTP_REFERER'] ) ? \stripslashes( $_SERVER['HTTP_REFERER'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash |
| 532 | $log_data['content_type'] = isset( $_SERVER['CONTENT_TYPE'] ) ? \stripslashes( $_SERVER['CONTENT_TYPE'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash |
| 533 | $log_data['get_params'] = json_encode( $_GET, JSON_UNESCAPED_SLASHES ); |
| 534 | |
| 535 | if ( defined( 'JETPACK_WAF_SHARE_DEBUG_DATA' ) && JETPACK_WAF_SHARE_DEBUG_DATA ) { |
| 536 | $log_data['post_params'] = json_encode( $_POST, JSON_UNESCAPED_SLASHES ); |
| 537 | $log_data['headers'] = self::get_request_headers(); |
| 538 | } |
| 539 | |
| 540 | if ( defined( 'JETPACK_WAF_SHARE_DATA' ) && JETPACK_WAF_SHARE_DATA ) { |
| 541 | $file_path = JETPACK_WAF_DIR . '/waf-blocklog'; |
| 542 | $file_exists = file_exists( $file_path ); |
| 543 | |
| 544 | if ( ! $file_exists || filesize( $file_path ) < ( 100 * 1024 * 1024 ) ) { |
| 545 | $fp = fopen( $file_path, 'a+' ); |
| 546 | |
| 547 | if ( $fp ) { |
| 548 | try { |
| 549 | fwrite( $fp, json_encode( $log_data, JSON_UNESCAPED_SLASHES ) . "\n" ); |
| 550 | } finally { |
| 551 | fclose( $fp ); |
| 552 | } |
| 553 | } |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | self::write_daily_summary(); |
| 558 | self::write_all_time_block_count(); |
| 559 | // Silent mode only logs, so it hasn't blocked anything. |
| 560 | if ( defined( 'JETPACK_WAF_MODE' ) && 'normal' === JETPACK_WAF_MODE && (string) Waf_Self_Check::RULE_ID !== (string) $rule_id ) { |
| 561 | self::write_has_blocked_row(); |
| 562 | } |
| 563 | self::write_blocklog_row( $log_data ); |
| 564 | self::close_db_connection(); |
| 565 | } |
| 566 | } |