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| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
// Exit if accessed directly
if (!defined('DUPLICATOR_VERSION')) exit;
/**
* Helper Class for logging
* @package Duplicator\classes
*/
abstract class Dup_ErrorBehavior
{
const LogOnly = 0;
const ThrowException = 1;
const Quit = 2;
}
class DUP_Log
{
static $debugging = true;
private static $traceEnabled;
/**
* The file handle used to write to the log file
* @var file resource
*/
public static $logFileHandle = null;
/**
* Init this static object
*/
public static function Init()
{
self::$traceEnabled = (DUP_Settings::Get('trace_log_enabled') == 1);
}
/**
* Open a log file connection for writing
* @param string $name Name of the log file to create
*/
public static function Open($name)
{
if (!isset($name)) throw new Exception("A name value is required to open a file log.");
//self::$logFileHandle = @fopen(DUPLICATOR_SSDIR_PATH . "/{$name}.log", "c+");
self::$logFileHandle = @fopen(DUPLICATOR_SSDIR_PATH."/{$name}.log", "a+");
}
/**
* Close the log file connection
*/
public static function Close()
{
@fclose(self::$logFileHandle);
}
/**
* General information logging
* @param string $msg The message to log
*
* REPLACE TO DEBUG: Memory consumption as script runs
* $results = DUP_Util::byteSize(memory_get_peak_usage(true)) . "\t" . $msg;
* @fwrite(self::$logFileHandle, "{$results} \n");
*/
public static function Info($msg)
{
self::Trace($msg);
@fwrite(self::$logFileHandle, "{$msg} \n");
}
/**
* Does the trace file exists
*
* @return bool Returns true if an active trace file exists
*/
public static function TraceFileExists()
{
$file_path = self::getTraceFilepath();
return file_exists($file_path);
}
/**
* Gets the current file size of the active trace file
*
* @return string Returns a human readable file size of the active trace file
*/
public static function getTraceStatus()
{
$file_path = DUP_Log::getTraceFilepath();
$backup_path = DUP_Log::getBackupTraceFilepath();
if (file_exists($file_path)) {
$filesize = filesize($file_path);
if (file_exists($backup_path)) {
$filesize += filesize($backup_path);
}
$message = sprintf('%1$s', DUP_Util::byteSize($filesize));
} else {
$message = esc_html__('No Log', 'duplicator');
}
return $message;
}
// RSR TODO: Swap trace logic out for real trace later
public static function Trace($message, $calling_function_override = null)
{
if (self::$traceEnabled) {
$unique_id = sprintf("%08x", abs(crc32($_SERVER['REMOTE_ADDR'].$_SERVER['REQUEST_TIME'].$_SERVER['REMOTE_PORT'])));
if ($calling_function_override == null) {
$calling_function = SnapLibUtil::getCallingFunctionName();
} else {
$calling_function = $calling_function_override;
}
if (is_object($message)) {
$ov = get_object_vars($message);
$message = print_r($ov, true);
} else if (is_array($message)) {
$message = print_r($message, true);
}
$logging_message = "{$unique_id}|{$calling_function} | {$message}";
$ticks = time() + ((int) get_option('gmt_offset') * 3600);
$formatted_time = date('d-m-H:i:s', $ticks);
$formatted_logging_message = "{$formatted_time}|DUP|{$logging_message} \r\n";
// Always write to error log - if they don't want the info they can turn off WordPress error logging or tracing
self::ErrLog($logging_message);
// Everything goes to the plugin log, whether it's part of package generation or not.
self::WriteToTrace($formatted_logging_message);
}
}
public static function errLog($message)
{
$message = 'DUP:'.$message;
error_log($message);
}
public static function TraceObject($msg, $o, $log_private_members = true)
{
if (self::$traceEnabled) {
if (!$log_private_members) {
$o = get_object_vars($o);
}
self::Trace($msg.':'.print_r($o, true));
}
}
public static function GetDefaultKey()
{
$auth_key = defined('AUTH_KEY') ? AUTH_KEY : 'atk';
$auth_key .= defined('DB_HOST') ? DB_HOST : 'dbh';
$auth_key .= defined('DB_NAME') ? DB_NAME : 'dbn';
$auth_key .= defined('DB_USER') ? DB_USER : 'dbu';
return hash('md5', $auth_key);
}
public static function GetBackupTraceFilepath()
{
$default_key = self::getDefaultKey();
$backup_log_filename = "dup_$default_key.log1";
$backup_path = DUPLICATOR_SSDIR_PATH."/".$backup_log_filename;
return $backup_path;
}
/**
* Gets the active trace file path
*
* @return string Returns the full path to the active trace file (i.e. dup-pro_hash.log)
*/
public static function GetTraceFilepath()
{
$default_key = self::getDefaultKey();
$log_filename = "dup_$default_key.log";
$file_path = DUPLICATOR_SSDIR_PATH."/".$log_filename;
return $file_path;
}
/**
* Deletes the trace log and backup trace log files
*
* @return null
*/
public static function DeleteTraceLog()
{
$file_path = self::GetTraceFilepath();
$backup_path = self::GetBackupTraceFilepath();
self::trace("deleting $file_path");
@unlink($file_path);
self::trace("deleting $backup_path");
@unlink($backup_path);
}
/**
* Called when an error is detected and no further processing should occur
* @param string $msg The message to log
* @param string $details Additional details to help resolve the issue if possible
*/
public static function Error($msg, $detail, $behavior = Dup_ErrorBehavior::Quit)
{
error_log($msg.' DETAIL:'.$detail);
$source = self::getStack(debug_backtrace());
$err_msg = "\n==================================================================================\n";
$err_msg .= "DUPLICATOR ERROR\n";
$err_msg .= "Please try again! If the error persists see the Duplicator 'Help' menu.\n";
$err_msg .= "---------------------------------------------------------------------------------\n";
$err_msg .= "MESSAGE:\n\t{$msg}\n";
if (strlen($detail)) {
$err_msg .= "DETAILS:\n\t{$detail}\n";
}
$err_msg .= "TRACE:\n{$source}";
$err_msg .= "==================================================================================\n\n";
@fwrite(self::$logFileHandle, "{$err_msg}");
switch ($behavior) {
case Dup_ErrorBehavior::ThrowException:
DUP_LOG::trace("throwing exception");
throw new Exception("DUPLICATOR ERROR: Please see the 'Package Log' file link below.");
break;
case Dup_ErrorBehavior::Quit:
DUP_LOG::trace("quitting");
die("DUPLICATOR ERROR: Please see the 'Package Log' file link below.");
break;
default:
// Nothing
}
}
/**
* The current stack trace of a PHP call
* @param $stacktrace The current debug stack
* @return string
*/
public static function getStack($stacktrace)
{
$output = "";
$i = 1;
foreach ($stacktrace as $node) {
$output .= "\t $i. ".basename($node['file'])." : ".$node['function']." (".$node['line'].")\n";
$i++;
}
return $output;
}
/**
* Manages writing the active or backup log based on the size setting
*
* @return null
*/
private static function WriteToTrace($formatted_logging_message)
{
$log_filepath = self::GetTraceFilepath();
if (@filesize($log_filepath) > DUPLICATOR_MAX_LOG_SIZE) {
$backup_log_filepath = self::GetBackupTraceFilepath();
if (file_exists($backup_log_filepath)) {
if (@unlink($backup_log_filepath) === false) {
DUP_PRO_Low_U::errLog("Couldn't delete backup log $backup_log_filepath");
}
}
if (@rename($log_filepath, $backup_log_filepath) === false) {
self::errLog("Couldn't rename log $log_filepath to $backup_log_filepath");
}
}
if (@file_put_contents($log_filepath, $formatted_logging_message, FILE_APPEND) === false) {
// Not en error worth reporting
}
}
}
DUP_Log::Init();