rhymix/classes/display/DisplayHandler.class.php
2016-02-12 16:35:10 +09:00

373 lines
11 KiB
PHP

<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
/**
* @class DisplayHandler
* @author NAVER (developers@xpressengine.com)
* DisplayHandler is responsible for displaying the execution result. \n
* Depending on the request type, it can display either HTML or XML content.\n
* Xml content is simple xml presentation of variables in oModule while html content
* is the combination of the variables of oModue and template files/.
*/
class DisplayHandler extends Handler
{
var $content_size = 0; // /< The size of displaying contents
var $gz_enabled = FALSE; // / <a flog variable whether to call contents after compressing by gzip
var $handler = NULL;
/**
* print either html or xml content given oModule object
* @remark addon execution and the trigger execution are included within this method, which might create inflexibility for the fine grained caching
* @param ModuleObject $oModule the module object
* @return void
*/
public function printContent(&$oModule)
{
// Check if the gzip encoding supported
if(config('view.use_gzip') && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false && extension_loaded('zlib') && $oModule->gzhandler_enable)
{
$this->gz_enabled = TRUE;
}
// Extract contents to display by the request method
if(Context::get('xeVirtualRequestMethod') == 'xml')
{
$handler = new VirtualXMLDisplayHandler();
}
elseif(Context::getRequestMethod() == 'JSON' || isset($_POST['_rx_ajax_compat']))
{
$handler = new JSONDisplayHandler();
}
elseif(Context::getRequestMethod() == 'JS_CALLBACK')
{
$handler = new JSCallbackDisplayHandler();
}
elseif(Context::getRequestMethod() == 'XMLRPC')
{
$handler = new XMLDisplayHandler();
if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)
{
$this->gz_enabled = FALSE;
}
}
else
{
$handler = new HTMLDisplayHandler();
}
$output = $handler->toDoc($oModule);
// call a trigger before display
ModuleHandler::triggerCall('display', 'before', $output);
$original_output = $output;
// execute add-on
$called_position = 'before_display_content';
$oAddonController = getController('addon');
$addon_file = $oAddonController->getCacheFilePath(Mobile::isFromMobilePhone() ? "mobile" : "pc");
if(file_exists($addon_file)) include($addon_file);
if($output === false || $output === null || $output instanceof Object)
{
$output = $original_output;
}
if(method_exists($handler, "prepareToPrint"))
{
$handler->prepareToPrint($output);
}
// Start the session if $_SESSION was touched
Context::getInstance()->checkSessionStatus();
// header output
$httpStatusCode = $oModule->getHttpStatusCode();
if($httpStatusCode && $httpStatusCode != 200)
{
self::_printHttpStatusCode($httpStatusCode);
}
else
{
if(Context::getResponseMethod() == 'JSON' || Context::getResponseMethod() == 'JS_CALLBACK')
{
if(strpos($_SERVER['HTTP_ACCEPT'], 'json') !== false)
{
self::_printJSONHeader();
}
}
else if(Context::getResponseMethod() != 'HTML')
{
self::_printXMLHeader();
}
else
{
self::_printHTMLHeader();
}
}
// disable gzip if output already exists
ob_flush();
if(headers_sent())
{
$this->gz_enabled = FALSE;
}
// enable gzip using zlib extension
if($this->gz_enabled)
{
ini_set('zlib.output_compression', true);
}
// results directly output
print $output;
// debugOutput output
$this->content_size = strlen($output);
print $this->getDebugInfo();
// call a trigger after display
ModuleHandler::triggerCall('display', 'after', $output);
flushSlowlog();
}
/**
* Get debug information.
*
* @return string
*/
public function getDebugInfo()
{
// Check if debugging is enabled for this request.
if (!config('debug.enabled'))
{
return;
}
$display_to = config('debug.display_to');
switch ($display_to)
{
case 'everyone':
break;
case 'ip':
$allowed_ip = config('debug.allow');
foreach ($allowed_ip as $range)
{
if (Rhymix\Framework\IpFilter::inRange(RX_CLIENT_IP, $range))
{
break 2;
}
}
return;
case 'admin':
default:
$logged_info = Context::get('logged_info');
if ($logged_info && $logged_info->is_admin === 'Y')
{
break;
}
return;
}
// Set some useful variables.
$basedir_len = strlen(RX_BASEDIR);
$timestamp = sprintf('[%s]', Rhymix\Framework\DateTime::formatTimestampForCurrentUser('Y-m-d H:i:s P', RX_TIME));
// Collect debug information.
$entries = Rhymix\Framework\Debug::getEntries();
$errors = config('debug.log_errors') ? Rhymix\Framework\Debug::getErrors() : null;
$queries = config('debug.log_queries') ? Rhymix\Framework\Debug::getQueries() : null;
// Print debug information.
switch ($display_type = config('debug.display_type'))
{
case 'panel':
break;
case 'comment':
case 'file':
default:
if ($display_type === 'comment' && Context::getResponseMethod() !== 'HTML')
{
return;
}
$buff = array($timestamp, '');
$buff[] = 'Request / Response';
$buff[] = '==================';
$buff[] = 'Request URL: ' . getCurrentPageUrl();
$buff[] = 'Request Method: ' . $_SERVER['REQUEST_METHOD'] . ($_SERVER['REQUEST_METHOD'] !== Context::getRequestMethod() ? (' (' . Context::getRequestMethod() . ')') : '');
$buff[] = 'Request Body Size: ' . intval($_SERVER['CONTENT_LENGTH']);
$buff[] = 'Response Method: ' . Context::getResponseMethod();
$buff[] = 'Response Body Size: ' . $this->content_size;
$buff[] = '';
$buff[] = 'Page Generation Time';
$buff[] = '====================';
$buff[] = 'Total Time: ' . sprintf('%0.4f sec', microtime(true) - RX_MICROTIME);
$buff[] = 'Template Compile Time: ' . sprintf('%0.4f sec (count: %d)', $GLOBALS['__template_elapsed__'], $GLOBALS['__TemplateHandlerCalled__']);
$buff[] = 'XML Parsing Time: ' . sprintf('%0.4f sec', $GLOBALS['__xmlparse_elapsed__']);
$buff[] = 'DB Query Time: ' . sprintf('%0.4f sec (count: %d)', $GLOBALS['__db_elapsed_time__'], count($queries));
$buff[] = 'DB Processing Time: ' . sprintf('%0.4f sec', $GLOBALS['__dbclass_elapsed_time__'] - $GLOBALS['__db_elapsed_time__']);
$buff[] = 'Layout Processing Time: ' . sprintf('%0.4f sec', $GLOBALS['__layout_compile_elapsed__']);
$buff[] = 'Widget Processing Time: ' . sprintf('%0.4f sec', $GLOBALS['__widget_excute_elapsed__']);
$buff[] = 'Content Transform Time: ' . sprintf('%0.4f sec', $GLOBALS['__trans_content_elapsed__']);
$buff[] = '';
$buff[] = 'Resource Usage';
$buff[] = '==============';
$buff[] = 'Peak Memory Usage: ' . sprintf('%0.1f MB', memory_get_peak_usage(true) / 1024 / 1024);
$buff[] = 'Included Files: ' . count(get_included_files());
$buff[] = '';
if (count($entries))
{
$buff[] = 'Debug Entries';
$buff[] = '=============';
$entry_count = 0;
foreach ($entries as $entry)
{
if (is_scalar($entry->message))
{
$entry->message = var_export($entry->message, true);
}
else
{
$entry->message = trim(preg_replace('/\r?\n/', PHP_EOL . ' ', print_r($entry->message, true)));
}
$buff[] = sprintf('%02d. %s', ++$entry_count, $entry->message);
foreach ($entry->backtrace as $key => $backtrace)
{
if (!strncmp($backtrace['file'], RX_BASEDIR, $basedir_len))
{
$backtrace['file'] = substr($backtrace['file'], $basedir_len);
}
if (isset($error->backtrace[$key + 1]))
{
$next_backtrace = $error->backtrace[$key + 1];
$called_function = sprintf(' (%s%s%s)', $next_backtrace['class'], $next_backtrace['type'], $next_backtrace['function']);
}
else
{
$called_function = '';
}
$buff[] = sprintf(' - %s line %d%s', $backtrace['file'], $backtrace['line'], $called_function);
}
}
}
$buff[] = 'PHP Errors';
$buff[] = '==========';
if ($errors === null)
{
$buff[] = 'Error logging is disabled.';
}
else
{
$error_count = 0;
if (!count($errors))
{
$buff[] = 'No Errors';
}
foreach ($errors as $error)
{
$buff[] = sprintf('%02d. %s: %s', ++$error_count, $error->type, $error->message);
foreach ($error->backtrace as $key => $backtrace)
{
if (!strncmp($backtrace['file'], RX_BASEDIR, $basedir_len))
{
$backtrace['file'] = substr($backtrace['file'], $basedir_len);
}
if (isset($error->backtrace[$key + 1]))
{
$next_backtrace = $error->backtrace[$key + 1];
$called_function = sprintf(' (%s%s%s)', $next_backtrace['class'], $next_backtrace['type'], $next_backtrace['function']);
}
else
{
$called_function = '';
}
$buff[] = sprintf(' - %s line %d%s', $backtrace['file'], $backtrace['line'], $called_function);
}
}
}
$buff[] = '';
$buff[] = 'DB Queries';
$buff[] = '==========';
if ($queries === null)
{
$buff[] = 'Query logging is disabled.';
}
else
{
$query_count = 0;
if (!count($queries))
{
$buff[] = 'No Queries';
}
foreach ($queries as $query)
{
if (!strncmp($query['called_file'], RX_BASEDIR, $basedir_len))
{
$query['called_file'] = substr($query['called_file'], $basedir_len);
}
$query_caller = sprintf('%s line %d (%s)', $query['called_file'], $query['called_line'], $query['called_method']);
$query_result = ($query['result'] === 'success') ? 'success' : sprintf('error %d %s', $query['errno'], $query['errstr']);
$buff[] = sprintf('%02d. %s', ++$query_count, $query['query']);
$buff[] = sprintf(' - Caller: %s', $query_caller);
$buff[] = sprintf(' - Connection: %s', $query['connection']);
$buff[] = sprintf(' - Query Time: %0.4f sec', $query['elapsed_time']);
$buff[] = sprintf(' - Result: %s', $query_result);
}
}
$buff[] = '';
if ($display_type === 'file')
{
$debug_file = RX_BASEDIR . 'files/_debug_message.php';
FileHandler::writeFile($debug_file, implode(PHP_EOL, $buff), 'a');
return '';
}
else
{
return '<!--' . PHP_EOL . implode(PHP_EOL, $buff) . PHP_EOL . '-->';
}
}
}
/**
* print a HTTP HEADER for XML, which is encoded in UTF-8
* @return void
*/
public static function _printXMLHeader()
{
header("Content-Type: text/xml; charset=UTF-8");
}
/**
* print a HTTP HEADER for HTML, which is encoded in UTF-8
* @return void
*/
public static function _printHTMLHeader()
{
header("Content-Type: text/html; charset=UTF-8");
}
/**
* print a HTTP HEADER for JSON, which is encoded in UTF-8
* @return void
*/
public static function _printJSONHeader()
{
header("Content-Type: text/javascript; charset=UTF-8");
}
/**
* print a HTTP HEADER for HTML, which is encoded in UTF-8
* @return void
*/
public static function _printHttpStatusCode($code)
{
$statusMessage = Context::get('http_status_message');
header("HTTP/1.0 $code $statusMessage");
}
}
/* End of file DisplayHandler.class.php */
/* Location: ./classes/display/DisplayHandler.class.php */