rhymix/classes/display/DisplayHandler.class.php

376 lines
13 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 $oModule the module object
* @return void
*/
function printContent(&$oModule)
{
// Check if the gzip encoding supported
if(
(defined('__OB_GZHANDLER_ENABLE__') && __OB_GZHANDLER_ENABLE__ == 1) &&
strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE &&
function_exists('ob_gzhandler') &&
extension_loaded('zlib') &&
$oModule->gzhandler_enable
)
{
$this->gz_enabled = TRUE;
}
// Extract contents to display by the request method
if(Context::get('xeVirtualRequestMethod') == 'xml')
{
require_once(_XE_PATH_ . "classes/display/VirtualXMLDisplayHandler.php");
$handler = new VirtualXMLDisplayHandler();
}
else if(Context::getRequestMethod() == 'XMLRPC')
{
require_once(_XE_PATH_ . "classes/display/XMLDisplayHandler.php");
$handler = new XMLDisplayHandler();
if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)
{
$this->gz_enabled = FALSE;
}
}
else if(Context::getRequestMethod() == 'JSON')
{
require_once(_XE_PATH_ . "classes/display/JSONDisplayHandler.php");
$handler = new JSONDisplayHandler();
}
else if(Context::getRequestMethod() == 'JS_CALLBACK')
{
require_once(_XE_PATH_ . "classes/display/JSCallbackDisplayHandler.php");
$handler = new JSCallbackDisplayHandler();
}
else
{
require_once(_XE_PATH_ . "classes/display/HTMLDisplayHandler.php");
$handler = new HTMLDisplayHandler();
}
$output = $handler->toDoc($oModule);
// call a trigger before display
ModuleHandler::triggerCall('display', 'before', $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($addon_file);
if(method_exists($handler, "prepareToPrint"))
{
$handler->prepareToPrint($output);
}
// header output
$httpStatusCode = $oModule->getHttpStatusCode();
if($httpStatusCode && $httpStatusCode != 200)
{
$this->_printHttpStatusCode($httpStatusCode);
}
else
{
if(Context::getResponseMethod() == 'JSON' || Context::getResponseMethod() == 'JS_CALLBACK')
{
$this->_printJSONHeader();
}
else if(Context::getResponseMethod() != 'HTML')
{
$this->_printXMLHeader();
}
else
{
$this->_printHTMLHeader();
}
}
// debugOutput output
$this->content_size = strlen($output);
$output .= $this->_debugOutput();
// disable gzip if output already exists
ob_flush();
if(headers_sent())
{
$this->gz_enabled = FALSE;
}
// results directly output
if($this->gz_enabled)
{
header("Content-Encoding: gzip");
print ob_gzhandler($output, 5);
}
else
{
print $output;
}
// call a trigger after display
ModuleHandler::triggerCall('display', 'after', $output);
flushSlowlog();
}
/**
* Print debugging message to designated output source depending on the value set to __DEBUG_OUTPUT_. \n
* This method only functions when __DEBUG__ variable is set to 1.
* __DEBUG_OUTPUT__ == 0, messages are written in ./files/_debug_message.php
* @return void
*/
function _debugOutput()
{
if(!__DEBUG__)
{
return;
}
$end = getMicroTime();
// Firebug console output
if(__DEBUG_OUTPUT__ == 2 && version_compare(PHP_VERSION, '6.0.0') === -1)
{
static $firephp;
if(!isset($firephp))
{
$firephp = FirePHP::getInstance(true);
}
if(__DEBUG_PROTECT__ == 1 && __DEBUG_PROTECT_IP__ != $_SERVER['REMOTE_ADDR'])
{
$firephp->fb('Change the value of __DEBUG_PROTECT_IP__ into your IP address in config/config.user.inc.php or config/config.inc.php', 'The IP address is not allowed.');
return;
}
// display total execution time and Request/Response info
if(__DEBUG__ & 2)
{
$firephp->fb(
array(
'Request / Response info >>> ' . $_SERVER['REQUEST_METHOD'] . ' / ' . Context::getResponseMethod(),
array(
array('Request URI', 'Request method', 'Response method', 'Response contents size', 'Memory peak usage'),
array(
sprintf("%s:%s%s%s%s", $_SERVER['SERVER_NAME'], $_SERVER['SERVER_PORT'], $_SERVER['PHP_SELF'], $_SERVER['QUERY_STRING'] ? '?' : '', $_SERVER['QUERY_STRING']),
$_SERVER['REQUEST_METHOD'],
Context::getResponseMethod(),
$this->content_size . ' byte',
FileHandler::filesize(memory_get_peak_usage())
)
)
),
'TABLE'
);
$firephp->fb(
array(
'Elapsed time >>> Total : ' . sprintf('%0.5f sec', $end - __StartTime__),
array(array('DB queries', 'class file load', 'Template compile', 'XmlParse compile', 'PHP', 'Widgets', 'Trans Content'),
array(
sprintf('%0.5f sec', $GLOBALS['__db_elapsed_time__']),
sprintf('%0.5f sec', $GLOBALS['__elapsed_class_load__']),
sprintf('%0.5f sec (%d called)', $GLOBALS['__template_elapsed__'], $GLOBALS['__TemplateHandlerCalled__']),
sprintf('%0.5f sec', $GLOBALS['__xmlparse_elapsed__']),
sprintf('%0.5f sec', $end - __StartTime__ - $GLOBALS['__template_elapsed__'] - $GLOBALS['__xmlparse_elapsed__'] - $GLOBALS['__db_elapsed_time__'] - $GLOBALS['__elapsed_class_load__']),
sprintf('%0.5f sec', $GLOBALS['__widget_excute_elapsed__']),
sprintf('%0.5f sec', $GLOBALS['__trans_content_elapsed__'])
)
)
),
'TABLE'
);
}
// display DB query history
if((__DEBUG__ & 4) && $GLOBALS['__db_queries__'])
{
$queries_output = array(array('Result/'.PHP_EOL.'Elapsed time', 'Query ID', 'Query'));
foreach($GLOBALS['__db_queries__'] as $query)
{
$queries_output[] = array($query['result'] . PHP_EOL . sprintf('%0.5f', $query['elapsed_time']), str_replace(_XE_PATH_, '', $query['called_file']) . PHP_EOL . $query['called_method'] . '()' . PHP_EOL . $query['query_id'], $query['query']);
}
$firephp->fb(
array(
'DB Queries >>> ' . count($GLOBALS['__db_queries__']) . ' Queries, ' . sprintf('%0.5f sec', $GLOBALS['__db_elapsed_time__']),
$queries_output
),
'TABLE'
);
}
// dislpay the file and HTML comments
}
else
{
$buff = array();
// display total execution time and Request/Response info
if(__DEBUG__ & 2)
{
if(__DEBUG_PROTECT__ == 1 && __DEBUG_PROTECT_IP__ != $_SERVER['REMOTE_ADDR'])
{
return;
}
// Request/Response information
$buff[] = "\n- Request/ Response info";
$buff[] = sprintf("\tRequest URI \t\t\t: %s:%s%s%s%s", $_SERVER['SERVER_NAME'], $_SERVER['SERVER_PORT'], $_SERVER['PHP_SELF'], $_SERVER['QUERY_STRING'] ? '?' : '', $_SERVER['QUERY_STRING']);
$buff[] = sprintf("\tRequest method \t\t\t: %s", $_SERVER['REQUEST_METHOD']);
$buff[] = sprintf("\tResponse method \t\t: %s", Context::getResponseMethod());
$buff[] = sprintf("\tResponse contents size\t: %d byte", $this->content_size);
// total execution time
$buff[] = sprintf("\n- Total elapsed time : %0.5f sec", $end - __StartTime__);
$buff[] = sprintf("\tclass file load elapsed time \t: %0.5f sec", $GLOBALS['__elapsed_class_load__']);
$buff[] = sprintf("\tTemplate compile elapsed time\t: %0.5f sec (%d called)", $GLOBALS['__template_elapsed__'], $GLOBALS['__TemplateHandlerCalled__']);
$buff[] = sprintf("\tXmlParse compile elapsed time\t: %0.5f sec", $GLOBALS['__xmlparse_elapsed__']);
$buff[] = sprintf("\tPHP elapsed time \t\t\t\t: %0.5f sec", $end - __StartTime__ - $GLOBALS['__template_elapsed__'] - $GLOBALS['__xmlparse_elapsed__'] - $GLOBALS['__db_elapsed_time__'] - $GLOBALS['__elapsed_class_load__']);
$buff[] = sprintf("\tDB class elapsed time \t\t\t: %0.5f sec", $GLOBALS['__dbclass_elapsed_time__'] - $GLOBALS['__db_elapsed_time__']);
// widget execution time
$buff[] = sprintf("\tWidgets elapsed time \t\t\t: %0.5f sec", $GLOBALS['__widget_excute_elapsed__']);
// layout execution time
$buff[] = sprintf("\tLayout compile elapsed time \t: %0.5f sec", $GLOBALS['__layout_compile_elapsed__']);
// Widgets, the editor component replacement time
$buff[] = sprintf("\tTrans Content \t\t\t\t\t: %0.5f sec", $GLOBALS['__trans_content_elapsed__']);
}
// DB Logging
if(__DEBUG__ & 4)
{
if(__DEBUG_PROTECT__ == 1 && __DEBUG_PROTECT_IP__ != $_SERVER['REMOTE_ADDR'])
{
return;
}
if($GLOBALS['__db_queries__'])
{
$buff[] = sprintf("\n- DB Queries : %d Queries. %0.5f sec", count($GLOBALS['__db_queries__']), $GLOBALS['__db_elapsed_time__']);
$num = 0;
foreach($GLOBALS['__db_queries__'] as $query)
{
if($query['result'] == 'Success')
{
$query_result = "Query Success";
}
else
{
$query_result = sprintf("Query $s : %d\n\t\t\t %s", $query['result'], $query['errno'], $query['errstr']);
}
$buff[] = sprintf("\t%02d. %s\n\t\t%0.6f sec. %s.", ++$num, $query['query'], $query['elapsed_time'], $query_result);
$buff[] = sprintf("\t\tConnection: %s.", $query['connection']);
$buff[] = sprintf("\t\tQuery ID: %s", $query['query_id']);
$buff[] = sprintf("\t\tCalled: %s. %s()", str_replace(_XE_PATH_, '', $query['called_file']), $query['called_method']);
}
}
}
// Output in HTML comments
if($buff && __DEBUG_OUTPUT__ == 1 && Context::getResponseMethod() == 'HTML')
{
$buff = implode("\r\n", $buff);
$buff = sprintf("[%s %s:%d]\r\n%s", date('Y-m-d H:i:s'), $file_name, $line_num, print_r($buff, true));
if(__DEBUG_PROTECT__ == 1 && __DEBUG_PROTECT_IP__ != $_SERVER['REMOTE_ADDR'])
{
$buff = 'The IP address is not allowed. Change the value of __DEBUG_PROTECT_IP__ into your IP address in config/config.user.inc.php or config/config.inc.php';
}
return "<!--\r\n" . $buff . "\r\n-->";
}
// Output to a file
if($buff && __DEBUG_OUTPUT__ == 0)
{
$debug_file = _XE_PATH_ . 'files/_debug_message.php';
$buff = implode(PHP_EOL, $buff);
$buff = sprintf("[%s]\n%s", date('Y-m-d H:i:s'), print_r($buff, true));
$buff = str_repeat('=', 80) . "\n" . $buff . "\n" . str_repeat('-', 80);
$buff = "\n<?php\n/*" . $buff . "*/\n?>\n";
if (!@file_put_contents($debug_file, $buff, FILE_APPEND|LOCK_EX))
{
return;
}
}
}
}
/**
* print a HTTP HEADER for XML, which is encoded in UTF-8
* @return void
*/
function _printXMLHeader()
{
header("Content-Type: text/xml; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* print a HTTP HEADER for HTML, which is encoded in UTF-8
* @return void
*/
function _printHTMLHeader()
{
header("Content-Type: text/html; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* print a HTTP HEADER for JSON, which is encoded in UTF-8
* @return void
*/
function _printJSONHeader()
{
header("Content-Type: text/html; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* print a HTTP HEADER for HTML, which is encoded in UTF-8
* @return void
*/
function _printHttpStatusCode($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 */