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<?php
require_once __DIR__ . '/log-404.php';
require_once __DIR__ . '/log-redirect.php';
/**
* Base log class
*/
abstract class Red_Log {
const MAX_IP_LENGTH = 45;
const MAX_DOMAIN_LENGTH = 255;
const MAX_URL_LENGTH = 2000;
const MAX_AGENT_LENGTH = 255;
const MAX_REFERRER_LENGTH = 255;
/**
* Supported HTTP methods
*
* @var array
*/
protected static $supported_methods = [ 'GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'CONNECT', 'OPTIONS', 'TRACE', 'PATCH' ];
/**
* Log ID
*
* @var integer
*/
protected $id = 0;
/**
* Created date time
*
* @var integer
*/
protected $created = 0;
/**
* Requested URL
*
* @var string
*/
protected $url = '';
/**
* Client user agent
*
* @var string
*/
protected $agent = '';
/**
* Client referrer
*
* @var string
*/
protected $referrer = '';
/**
* Client IP
*
* @var string
*/
protected $ip = '';
/**
* Requested domain
*
* @var string
*/
protected $domain = '';
/**
* Response HTTP code
*
* @var integer
*/
protected $http_code = 0;
/**
* Request method
*
* @var string
*/
protected $request_method = '';
/**
* Additional request data
*
* @var string
*/
protected $request_data = '';
/**
* Constructor
*
* @param array $values Array of log values.
*/
final public function __construct( array $values ) {
foreach ( $values as $key => $value ) {
$this->$key = $value;
}
if ( isset( $values['created'] ) ) {
$converted = mysql2date( 'U', $values['created'] );
if ( $converted ) {
$this->created = intval( $converted, 10 );
}
}
}
/**
* Get's the table name for this log object
*
* @param Object $wpdb WPDB object.
* @return string
*/
protected static function get_table_name( $wpdb ) {
return '';
}
/**
* Get a log item by ID
*
* @param integer $id Log ID.
* @return Red_Log|false
*/
public static function get_by_id( $id ) {
global $wpdb;
$table = static::get_table_name( $wpdb );
// Table name is internally generated.
// phpcs:ignore
$row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$table} WHERE id=%d", $id ), ARRAY_A );
if ( $row ) {
return new static( $row );
}
return false;
}
/**
* Delete a log entry
*
* @param integer $id Log ID.
* @return integer|false
*/
public static function delete( $id ) {
global $wpdb;
return $wpdb->delete( static::get_table_name( $wpdb ), [ 'id' => $id ] );
}
/**
* Delete all matching log entries
*
* @param array $params Array of filter parameters.
* @return integer|false
*/
public static function delete_all( array $params = [] ) {
global $wpdb;
$query = self::get_query( $params );
$table = static::get_table_name( $wpdb );
$sql = "DELETE FROM {$table} {$query['where']}";
// phpcs:ignore
return $wpdb->query( $sql );
}
/**
* Convert a log entry to JSON
*
* @return array
*/
public function to_json() {
return [
'id' => intval( $this->id, 10 ),
'created' => date_i18n( get_option( 'date_format' ), $this->created ),
'created_time' => gmdate( get_option( 'time_format' ), $this->created ),
'url' => $this->url,
'agent' => $this->agent,
'referrer' => $this->referrer,
'domain' => $this->domain,
'ip' => $this->ip,
'http_code' => intval( $this->http_code, 10 ),
'request_method' => $this->request_method,
'request_data' => $this->request_data ? json_decode( $this->request_data, true ) : '',
];
}
/**
* Get filtered log entries
*
* @param array $params Filters.
* @return array{items: Array, total: integer}
*/
public static function get_filtered( array $params ) {
global $wpdb;
$query = self::get_query( $params );
$table = static::get_table_name( $wpdb );
$sql = "SELECT * FROM {$table} {$query['where']}";
// Already escaped
// phpcs:ignore
$sql .= $wpdb->prepare( ' ORDER BY ' . $query['orderby'] . ' ' . $query['direction'] . ' LIMIT %d,%d', $query['offset'], $query['limit'] );
// Already escaped
// phpcs:ignore
$rows = $wpdb->get_results( $sql, ARRAY_A );
// Already escaped
// phpcs:ignore
$total_items = $wpdb->get_var( "SELECT COUNT(*) FROM $table " . $query['where'] );
$items = array();
foreach ( $rows as $row ) {
$item = new static( $row );
$items[] = $item->to_json();
}
return [
'items' => $items,
'total' => intval( $total_items, 10 ),
];
}
/**
* Get grouped log entries
*
* @param string $group Group type.
* @param array $params Filter params.
* @return array{items: mixed, total: integer}
*/
public static function get_grouped( $group, array $params ) {
global $wpdb;
$table = static::get_table_name( $wpdb );
$query = self::get_query( $params );
if ( ! in_array( $group, [ 'ip', 'url', 'agent' ], true ) ) {
$group = 'url';
}
// Already escaped
// phpcs:ignore
$sql = $wpdb->prepare( "SELECT COUNT(*) as count,$group FROM {$table} {$query['where']} GROUP BY $group ORDER BY count {$query['direction']}, $group LIMIT %d,%d", $query['offset'], $query['limit'] );
// Already escaped
// phpcs:ignore
$rows = $wpdb->get_results( $sql );
// Already escaped
// phpcs:ignore
$total_items = $wpdb->get_var( "SELECT COUNT(DISTINCT $group) FROM {$table} {$query['where']}" );
foreach ( $rows as $row ) {
$row->count = intval( $row->count, 10 );
if ( isset( $row->url ) ) {
$row->id = $row->url;
} elseif ( isset( $row->ip ) ) {
$row->id = $row->ip;
} elseif ( isset( $row->agent ) ) {
$row->id = $row->agent;
}
}
return array(
'items' => $rows,
'total' => intval( $total_items, 10 ),
);
}
/**
* Convert a set of filters to a SQL query.
*
* @param array $params Filters.
* @return array{orderby: string, direction: string, limit: integer, offset: integer, where: string}
*/
public static function get_query( array $params ) {
$query = [
'orderby' => 'id',
'direction' => 'DESC',
'limit' => RED_DEFAULT_PER_PAGE,
'offset' => 0,
'where' => '',
];
if ( isset( $params['orderby'] ) && in_array( $params['orderby'], array( 'ip', 'url' ), true ) ) {
$query['orderby'] = $params['orderby'];
}
if ( isset( $params['direction'] ) && in_array( strtoupper( $params['direction'] ), array( 'ASC', 'DESC' ), true ) ) {
$query['direction'] = strtoupper( $params['direction'] );
}
if ( isset( $params['per_page'] ) ) {
$limit = intval( $params['per_page'], 10 );
if ( $limit >= 5 && $limit <= RED_MAX_PER_PAGE ) {
$query['limit'] = $limit;
}
}
if ( isset( $params['page'] ) ) {
$offset = intval( $params['page'], 10 );
if ( $offset >= 0 ) {
$query['offset'] = $offset * $query['limit'];
}
}
if ( isset( $params['filterBy'] ) && is_array( $params['filterBy'] ) ) {
$where = static::get_query_filter( $params['filterBy'] );
if ( count( $where ) > 0 ) {
$query['where'] = 'WHERE ' . implode( ' AND ', $where );
}
}
return $query;
}
/**
* Get query filters as a SQL `WHERE` statement. SQL will be sanitized
*
* @param array $filter Array of filter params.
* @return array
*/
protected static function get_query_filter( array $filter ) {
global $wpdb;
$where = [];
if ( isset( $filter['ip'] ) ) {
// phpcs:ignore
$ip = @inet_pton( trim( $filter['ip'] ) );
if ( $ip !== false ) {
// Full IP match
// phpcs:ignore
$ip = @inet_ntop( $ip ); // Convert back to string
$where[] = $wpdb->prepare( 'ip = %s', $ip );
} else {
// Partial IP match
$where[] = $wpdb->prepare( 'ip LIKE %s', '%' . $wpdb->esc_like( trim( $filter['ip'] ) ) . '%' );
}
}
if ( isset( $filter['domain'] ) ) {
$where[] = $wpdb->prepare( 'domain LIKE %s', '%' . $wpdb->esc_like( trim( $filter['domain'] ) ) . '%' );
}
if ( isset( $filter['url-exact'] ) ) {
$where[] = $wpdb->prepare( 'url = %s', $filter['url-exact'] );
} elseif ( isset( $filter['url'] ) ) {
$where[] = $wpdb->prepare( 'url LIKE %s', '%' . $wpdb->esc_like( trim( $filter['url'] ) ) . '%' );
}
if ( isset( $filter['referrer'] ) ) {
$where[] = $wpdb->prepare( 'referrer LIKE %s', '%' . $wpdb->esc_like( trim( $filter['referrer'] ) ) . '%' );
}
if ( isset( $filter['agent'] ) ) {
$agent = trim( $filter['agent'] );
if ( empty( $agent ) ) {
$where[] = $wpdb->prepare( 'agent = %s', $agent );
} else {
$where[] = $wpdb->prepare( 'agent LIKE %s', '%' . $wpdb->esc_like( $agent ) . '%' );
}
}
if ( isset( $filter['http'] ) ) {
$where[] = $wpdb->prepare( 'http_code = %d', $filter['http'] );
}
if ( isset( $filter['method'] ) && in_array( strtoupper( $filter['method'] ), static::$supported_methods, true ) ) {
$where[] = $wpdb->prepare( 'request_method = %s', strtoupper( $filter['method'] ) );
}
return $where;
}
/**
* Sanitize a new log entry
*
* @param string $domain Requested Domain.
* @param string $url Requested URL.
* @param string $ip Client IP. This is assumed to be a valid IP and won't be checked.
* @param array $details Extra log details.
* @return array
*/
protected static function sanitize_create( $domain, $url, $ip, array $details = [] ) {
$url = urldecode( $url );
$insert = [
'url' => substr( sanitize_text_field( $url ), 0, self::MAX_URL_LENGTH ),
'domain' => substr( sanitize_text_field( $domain ), 0, self::MAX_DOMAIN_LENGTH ),
'ip' => substr( sanitize_text_field( $ip ), 0, self::MAX_IP_LENGTH ),
'created' => current_time( 'mysql' ),
];
// Unfortunatley these names dont match up
$allowed = [
'agent' => 'agent',
'referrer' => 'referrer',
'request_method' => 'request_method',
'http_code' => 'http_code',
'request_data' => 'request_data',
];
foreach ( $allowed as $name => $replace ) {
if ( ! empty( $details[ $name ] ) ) {
$insert[ $replace ] = $details[ $name ];
}
}
if ( isset( $insert['agent'] ) ) {
$insert['agent'] = substr( sanitize_text_field( $insert['agent'] ), 0, self::MAX_AGENT_LENGTH );
}
if ( isset( $insert['referrer'] ) ) {
$insert['referrer'] = substr( sanitize_text_field( $insert['referrer'] ), 0, self::MAX_REFERRER_LENGTH );
}
if ( isset( $insert['request_data'] ) ) {
$insert['request_data'] = wp_json_encode( $insert['request_data'], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_NUMERIC_CHECK );
}
if ( isset( $insert['http_code'] ) ) {
$insert['http_code'] = intval( $insert['http_code'], 10 );
}
if ( isset( $insert['request_method'] ) ) {
$insert['request_method'] = strtoupper( sanitize_text_field( $insert['request_method'] ) );
if ( ! in_array( $insert['request_method'], static::$supported_methods, true ) ) {
$insert['request_method'] = '';
}
}
return $insert;
}
/**
* Get the CSV filename for this log object
*
* @return string
*/
public static function get_csv_filename() {
return '';
}
/**
* Get the CSV headers for this log object
*
* @return array
*/
public static function get_csv_header() {
return [];
}
/**
* Get the CSV headers for this log object
*
* @param object $row Log row.
* @return array
*/
public static function get_csv_row( $row ) {
return [];
}
/**
* Export the log entry to CSV
*
* @return void
*/
public static function export_to_csv() {
$filename = static::get_csv_filename() . '-' . date_i18n( get_option( 'date_format' ) ) . '.csv';
header( 'Content-Type: text/csv' );
header( 'Cache-Control: no-cache, must-revalidate' );
header( 'Expires: Mon, 26 Jul 1997 05:00:00 GMT' );
header( 'Content-Disposition: attachment; filename="' . $filename . '"' );
// phpcs:ignore
$stdout = fopen( 'php://output', 'w' );
if ( ! $stdout ) {
return;
}
fputcsv( $stdout, static::get_csv_header() );
global $wpdb;
$table = static::get_table_name( $wpdb );
// phpcs:ignore
$total_items = $wpdb->get_var( "SELECT COUNT(*) FROM $table" );
$exported = 0;
$limit = 100;
while ( $exported < $total_items ) {
// phpcs:ignore
$rows = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $table LIMIT %d,%d", $exported, $limit ) );
$exported += count( $rows );
foreach ( $rows as $row ) {
$csv = static::get_csv_row( $row );
fputcsv( $stdout, $csv );
}
if ( count( $rows ) < $limit ) {
break;
}
}
}
}