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log request in case of exceptions too by installing a custom exeception handler

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This commit is contained in:
Ralf Becker 2012-02-20 09:07:02 +00:00
parent fdc4134556
commit 9635091c75
1 changed files with 59 additions and 5 deletions
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64
phpgwapi/inc/class.groupdav.inc.php
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@ -200,6 +200,9 @@ class groupdav extends HTTP_WebDAV_Server
if ($this->debug > 2) error_log('groupdav: $_SERVER='.array2string($_SERVER));
// setting our own exception handler, to be able to still log the requests
set_exception_handler(array(__CLASS__,'exception_handler'));
// crrnd: client refuses redundand namespace declarations
// cnrnd: client needs redundand namespace declarations
// setting redundand namespaces as the default for (Cal|Card|Group)DAV, as the majority of the clients either require or can live with it
@ -1484,6 +1487,8 @@ class groupdav extends HTTP_WebDAV_Server
return $ok;
}
private static $request_starttime;
/**
* Serve WebDAV HTTP request
*
@ -1494,15 +1499,25 @@ class groupdav extends HTTP_WebDAV_Server
if (($debug_level=$GLOBALS['egw_info']['user']['preferences']['groupdav']['debug_level']) === 'r' ||
$debug_level === 'f' || $this->debug)
{
$starttime = microtime(true);
self::$request_starttime = microtime(true);
$this->store_request = true;
ob_start();
}
parent::ServeRequest();
if ($starttime)
if (self::$request_starttime) self::log_request();
}
/**
* Log the request
*
* @param string $extra='' extra text to add below request-log, eg. exception thrown
*/
private function log_request($extra='')
{
if ($debug_level === 'f')
if (self::$request_starttime)
{
if (($debug_level=$GLOBALS['egw_info']['user']['preferences']['groupdav']['debug_level']) === 'f')
{
$msg_file = $GLOBALS['egw_info']['server']['files_dir'];
$msg_file .= '/groupdav';
@ -1535,9 +1550,10 @@ class groupdav extends HTTP_WebDAV_Server
$content .= 'HTTP/1.1 '.$this->_http_status."\n";
foreach(headers_list() as $line) $content .= $line."\n";
if (($c = ob_get_flush())) $content .= "\n";
if ($debug_level !== 'f' && strlen($c) > 1536) $c = substr($c,0,1536)."\n*** LOG TRUNKATED ";
if ($debug_level !== 'f' && strlen($c) > 1536) $c = substr($c,0,1536)."\n*** LOG TRUNKATED\n";
$content .= $c;
$content .= sprintf('*** %s --> "%s" took %5.3f s',$_SERVER['REQUEST_METHOD'].($_SERVER['REQUEST_METHOD']=='REPORT'?' '.$this->propfind_options['root']['name']:'').' '.$_SERVER['PATH_INFO'],$this->_http_status,microtime(true)-$starttime)."\n\n";
if ($extra) $content .= $extra;
$content .= sprintf('*** %s --> "%s" took %5.3f s',$_SERVER['REQUEST_METHOD'].($_SERVER['REQUEST_METHOD']=='REPORT'?' '.$this->propfind_options['root']['name']:'').' '.$_SERVER['PATH_INFO'],$this->_http_status,microtime(true)-self::$request_starttime)."\n\n";
self::log($content,$msg_file);
}
}
@ -1562,4 +1578,42 @@ class groupdav extends HTTP_WebDAV_Server
foreach($explode("\n",$content) as $line) error_log($line);
}
}
/**
* Exception handler, which additionally logs the request (incl. a trace)
*
* Does NOT return and get installed in constructor.
*
* @param Exception $e
*/
public static function exception_handler(Exception $e)
{
// logging exception as regular egw_execption_hander does
_egw_log_exception($e,$headline);
// exception handler sending message back to the client as basic auth message
$error = str_replace(array("\r", "\n"), array('', ' | '), $e->getMessage());
header('WWW-Authenticate: Basic realm="'.$headline.': '.$error.'"');
header('HTTP/1.1 401 Unauthorized');
header('X-WebDAV-Status: 401 Unauthorized', true);
// if our own logging is active, log the request plus a trace, if enabled in server-config
if (self::$request_starttime && isset($GLOBALS['groupdav']) && is_a($GLOBALS['groupdav'],__CLASS__))
{
$GLOBALS['groupdav']->_http_status = '401 Unauthorized'; // to correctly log it
if ($GLOBALS['egw_info']['server']['exception_show_trace'])
{
$GLOBALS['groupdav']->log_request("\n".$e->getTraceAsString()."\n");
}
else
{
$GLOBALS['groupdav']->log_request();
}
}
if (is_object($GLOBALS['egw']))
{
common::egw_exit();
}
exit;
}
}