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<?php
/**
* Piwik - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\Monolog\Processor;
use Piwik\ErrorHandler;
use Piwik\Exception\InvalidRequestParameterException;
use Piwik\Log;
/**
* Process a log record containing an exception to generate a textual message.
*/
class ExceptionToTextProcessor
{
public function __invoke(array $record)
{
if (! $this->contextContainsException($record)) {
return $record;
}
/** @var \Exception $exception */
$exception = $record['context']['exception'];
if ($exception instanceof InvalidRequestParameterException) {
return $record;
}
$exceptionStr = sprintf(
"%s(%d): %s\n%s",
$exception instanceof \Exception ? $exception->getFile() : $exception['file'],
$exception instanceof \Exception ? $exception->getLine() : $exception['line'],
$this->getMessage($exception),
$this->getStackTrace($exception)
);
if (!isset($record['message'])
|| strpos($record['message'], '{exception}') === false
) {
$record['message'] = $exceptionStr;
} else {
$record['message'] = str_replace('{exception}', $exceptionStr, $record['message']);
}
return $record;
}
private function contextContainsException($record)
{
return isset($record['context']['exception'])
&& ($record['context']['exception'] instanceof \Exception
|| $this->isLooksLikeFatalErrorArray($record['context']['exception']));
}
private function isLooksLikeFatalErrorArray($exception)
{
return is_array($exception) && isset($exception['message']) && isset($exception['file']) && isset($exception['line']);
}
private function getMessage($exception)
{
if ($exception instanceof \ErrorException) {
return ErrorHandler::getErrNoString($exception->getSeverity()) . ' - ' . $exception->getMessage();
}
if (is_array($exception) && isset($exception['message'])) {
return $exception['message'];
}
return $exception->getMessage();
}
private function getStackTrace($exception)
{
if (is_array($exception) && isset($exception['backtrace'])) {
return $exception['backtrace'];
}
return Log::$debugBacktraceForTests ?: self::getWholeBacktrace($exception);
}
public static function getWholeBacktrace(\Exception $exception, $shouldPrintBacktrace = true)
{
if (!$shouldPrintBacktrace) {
return $exception->getMessage();
}
$message = "";
$e = $exception;
do {
if ($e !== $exception) {
$message .= ",\ncaused by: ";
}
$message .= $e->getMessage();
if ($shouldPrintBacktrace) {
$message .= "\n" . $e->getTraceAsString();
}
} while ($e = $e->getPrevious());
return $message;
}
}
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