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var/www/xthruster/html/wp-content/plugins/optimole-wp/inc/logger.php 0000644 00000014354 14717662612 0022013 0 ustar 00 <?php /** * Class Optml_Logger * Handles the logging operations. */ class Optml_Logger { const LOG_TYPE_OFFLOAD = 'offload'; const LOG_TYPE_ROLLBACK = 'rollback'; const LOG_SEPARATOR = '=========='; /** * Upload directory. * * @var string */ private $upload_dir; /** * Log filenames. * * @var array */ private $log_filenames = [ self::LOG_TYPE_OFFLOAD => 'offload.log', self::LOG_TYPE_ROLLBACK => 'rollback.log', ]; /** * The single instance of the class. * * @var Optml_Logger */ private static $instance = null; /** * Ensures only one instance of the class is loaded. * * @return Optml_Logger An instance of the class. */ public static function instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } /** * Optml_Logger constructor. * Initializes the upload directory. * * @return void */ private function __construct() { $upload_dir = wp_upload_dir(); $this->upload_dir = trailingslashit( $upload_dir['basedir'] ) . 'optimole-logs/'; if ( ! file_exists( $this->upload_dir ) ) { if ( false === wp_mkdir_p( $this->upload_dir ) ) { return; } } add_action( 'wp_ajax_optml_fetch_logs', [ $this, 'fetch_logs_ajax_handler' ] ); } /** * Adds a log entry. * * @param string $type Type of log (offload/rollback). * @param string $message Log message. * @return bool Returns true on success, false on failure. */ public function add_log( $type, $message ) { if ( ! array_key_exists( $type, $this->log_filenames ) ) { return false; } $this->send_log( $type, $message ); if ( ! $this->has_permission() ) { return false; } $file_path = $this->upload_dir . $this->log_filenames[ $type ]; $handle = @fopen( $file_path, 'a' ); if ( $handle === false ) { return false; } fwrite( $handle, '[' . gmdate( 'M d H:i:s' ) . '] ' . $message . "\n" ); fclose( $handle ); return true; } /** * Retrieves the log. * * @param string $type Type of log (offload/rollback). * @param int $lines Number of lines to return from the end of the log file. * @param string $separator Separator line to start retrieving log entries from. * * @return false|string Returns log data or false on failure. */ public function get_log( $type, $lines = 500, $separator = '' ) { if ( ! array_key_exists( $type, $this->log_filenames ) ) { return false; } $file_path = $this->upload_dir . $this->log_filenames[ $type ]; if ( $this->has_logs( $type ) ) { $data = $this->tailCustom( $file_path, $lines, true, $separator ); return nl2br( esc_textarea( $data ) ); } return false; } /** * Checks if the log file exists. * * @param string $type Type of log (offload/rollback). * @return bool Returns true if log file exists, false otherwise. */ public function has_logs( $type ) { if ( ! array_key_exists( $type, $this->log_filenames ) ) { return false; } $file_path = $this->upload_dir . $this->log_filenames[ $type ]; return file_exists( $file_path ); } /** * Checks for permission to write to log file. * * @return bool Returns true if permission is granted, false otherwise. */ public function has_permission() { return is_writable( $this->upload_dir ); } /** * Reads the last n lines from a file, or from a specific point defined by a separator. * * @param string $filepath Path to the file. * @param int $lines Number of lines to read from the end of the file. * @param bool $adaptive Use adaptive buffers. * @param string $separator Separator line to start retrieving log entries from. * @return false|string Returns last n lines from the file or false on failure. */ private function tailCustom( $filepath, $lines = 1, $adaptive = true, $separator = '' ) { $f = @fopen( $filepath, 'rb' ); if ( $f === false ) { return false; } if ( ! $adaptive ) { $buffer = 4096; } else { $buffer = min( 64, filesize( $filepath ) ); } fseek( $f, -1, SEEK_END ); $output = ''; $read = ''; $separator_found = false; while ( $buffer > 0 && ftell( $f ) > 0 ) { $seek = min( ftell( $f ), $buffer ); fseek( $f, -$seek, SEEK_CUR ); $output = ( $read = fread( $f, $seek ) ) . $output; fseek( $f, -mb_strlen( $read, '8bit' ), SEEK_CUR ); if ( ! empty( $separator ) && strpos( $output, $separator ) !== false ) { $separator_found = true; break; } $buffer = min( $buffer * 2, 4096 ); } $pos = -1; if ( ! empty( $separator ) && $separator_found ) { $pos = strrpos( $output, $separator ); if ( $pos !== false ) { $output = substr( $output, $pos + strlen( $separator ) ); $pos = -1; // we reset the position to start from the beginning of the chunk when slicing. } } // Extract the desired number of lines $output_lines = explode( "\n", $output ); if ( empty( $separator ) || ! $separator_found ) { $output = implode( "\n", array_slice( $output_lines, -$lines ) ); // fetch last n lines } else { // Calculate the start position for slicing $start_pos = max( $pos + 1, count( $output_lines ) - $lines ); $output = implode( "\n", array_slice( $output_lines, $start_pos, $lines ) ); // fetch from separator } fclose( $f ); return trim( $output ); } /** * Fetches the logs via AJAX. * * @return void */ public function fetch_logs_ajax_handler() { // Check for nonce security $nonce = $_REQUEST['nonce']; if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) { wp_die( __( 'Security check failed', 'optimole-wp' ) ); } // Check for necessary parameters if ( ! isset( $_REQUEST['type'] ) || ! in_array( $_REQUEST['type'], array_keys( $this->log_filenames ), true ) ) { wp_die( __( 'Invalid log type', 'optimole-wp' ) ); } $lines = 10000; if ( isset( $_REQUEST['lines'] ) ) { $lines = intval( $_REQUEST['lines'] ); } // Get log type $type = $_REQUEST['type']; // Fetch the logs $logs = $this->get_log( $type, $lines, self::LOG_SEPARATOR ); // Return the logs echo $logs; wp_die(); } /** * Send logs to Axiom. * * @param string $type Type of log (offload/rollback). * @param string $message Log message. * @return void */ public function send_log( $type, $message ) { $request = new Optml_Api(); $request->send_log( $type, $message ); } }
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