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<?php
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Handler;
use Monolog\Formatter\ChromePHPFormatter;
/**
* Handler sending logs to the ChromePHP extension (http://www.chromephp.com/)
*
* @author Christophe Coevoet <stof@notk.org>
*/
class ChromePHPHandler extends AbstractProcessingHandler
{
/**
* Version of the extension
*/
const VERSION = '3.0';
/**
* Header name
*/
const HEADER_NAME = 'X-ChromePhp-Data';
protected static $initialized = false;
protected static $json = array(
'version' => self::VERSION,
'columns' => array('label', 'log', 'backtrace', 'type'),
'rows' => array(),
);
protected static $sendHeaders = true;
/**
* {@inheritdoc}
*/
public function handleBatch(array $records)
{
$messages = array();
foreach ($records as $record) {
if ($record['level'] < $this->level) {
continue;
}
$messages[] = $this->processRecord($record);
}
if (!empty($messages)) {
$messages = $this->getFormatter()->formatBatch($messages);
self::$json['rows'] = array_merge(self::$json['rows'], $messages);
$this->send();
}
}
/**
* {@inheritDoc}
*/
protected function getDefaultFormatter()
{
return new ChromePHPFormatter();
}
/**
* Creates & sends header for a record
*
* @see sendHeader()
* @see send()
* @param array $record
*/
protected function write(array $record)
{
self::$json['rows'][] = $record['formatted'];
$this->send();
}
/**
* Sends the log header
*
* @see sendHeader()
*/
protected function send()
{
if (!self::$initialized) {
self::$sendHeaders = $this->headersAccepted();
self::$json['request_uri'] = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
self::$initialized = true;
}
$json = @json_encode(self::$json);
$this->sendHeader(self::HEADER_NAME, base64_encode(utf8_encode($json)));
}
/**
* Send header string to the client
*
* @param string $header
* @param string $content
*/
protected function sendHeader($header, $content)
{
if (!headers_sent() && self::$sendHeaders) {
header(sprintf('%s: %s', $header, $content));
}
}
/**
* Verifies if the headers are accepted by the current user agent
*
* @return Boolean
*/
protected function headersAccepted()
{
return !isset($_SERVER['HTTP_USER_AGENT'])
|| preg_match('{\bChrome/\d+[\.\d+]*\b}', $_SERVER['HTTP_USER_AGENT']);
}
/**
* BC getter for the sendHeaders property that has been made static
*/
public function __get($property)
{
if ('sendHeaders' !== $property) {
throw new \InvalidArgumentException('Undefined property '.$property);
}
return static::$sendHeaders;
}
/**
* BC setter for the sendHeaders property that has been made static
*/
public function __set($property, $value)
{
if ('sendHeaders' !== $property) {
throw new \InvalidArgumentException('Undefined property '.$property);
}
static::$sendHeaders = $value;
}
}
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