for a detailed description, copyright and license information. */ /* @package xajax @version $Id: xajax.inc.php 362 2007-05-29 15:32:24Z calltoconstruct $ @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson @license http://www.xajaxproject.org/bsd_license.txt BSD License */ /* Section: Standard Definitions */ /* String: XAJAX_DEFAULT_CHAR_ENCODING Default character encoding used by both the and classes. */ if (!defined ('XAJAX_DEFAULT_CHAR_ENCODING')) define ('XAJAX_DEFAULT_CHAR_ENCODING', 'utf-8'); /* String: XAJAX_PROCESSING_EVENT String: XAJAX_PROCESSING_EVENT_BEFORE String: XAJAX_PROCESSING_EVENT_AFTER String: XAJAX_PROCESSING_EVENT_INVALID Identifiers used to register processing events. Processing events are essentially hooks into the xajax core that can be used to add functionality into the request processing sequence. */ if (!defined ('XAJAX_PROCESSING_EVENT')) define ('XAJAX_PROCESSING_EVENT', 'xajax processing event'); if (!defined ('XAJAX_PROCESSING_EVENT_BEFORE')) define ('XAJAX_PROCESSING_EVENT_BEFORE', 'beforeProcessing'); if (!defined ('XAJAX_PROCESSING_EVENT_AFTER')) define ('XAJAX_PROCESSING_EVENT_AFTER', 'afterProcessing'); if (!defined ('XAJAX_PROCESSING_EVENT_INVALID')) define ('XAJAX_PROCESSING_EVENT_INVALID', 'invalidRequest'); /* Class: xajax The xajax class uses a modular plug-in system to facilitate the processing of special Ajax requests made by a PHP page. It generates Javascript that the page must include in order to make requests. It handles the output of response commands (see ). Many flags and settings can be adjusted to effect the behavior of the xajax class as well as the client-side javascript. */ final class xajax { /* Array: aSettings This array is used to store all the configuration settings that are set during the run of the script. This provides a single data store for the settings in case we need to return the value of a configuration option for some reason. It is advised that individual plugins store a local copy of the settings they wish to track, however, settings are available via a reference to the object using getConfiguration>. */ private $aSettings = array(); /* Boolean: bErrorHandler This is a configuration setting that the main xajax object tracks. It is used to enable an error handler function which will trap php errors and return them to the client as part of the response. The client can then display the errors to the user if so desired. */ private $bErrorHandler; /* Array: aProcessingEvents Stores the processing event handlers that have been assigned during this run of the script. */ private $aProcessingEvents; /* Boolean: bExitAllowed A configuration option that is tracked by the main object. Setting this to true allows to exit immediatly after processing a xajax request. If this is set to false, xajax will allow the remaining code and HTML to be sent as part of the response. Typically this would result in an error, however, a response processor on the client side could be designed to handle this condition. */ private $bExitAllowed; /* Boolean: bCleanBuffer A configuration option that is tracked by the main object. Setting this to true allows to clear out any pending output buffers so that the is (virtually) the only output when handling a request. */ private $bCleanBuffer; /* String: sLogFile A configuration setting tracked by the main object. Set the name of the file on the server that you wish to have php error messages written to during the processing of requests. */ private $sLogFile; /* String: sCoreIncludeOutput This is populated with any errors or warnings produced while including the xajax core components. This is useful for debugging core updates. */ private $sCoreIncludeOutput; /* Object: objPluginManager This stores a reference to the global */ private $objPluginManager; /* Object: objArgumentManager Stores a reference to the global */ private $objArgumentManager; /* Object: objResponseManager Stores a reference to the global */ private $objResponseManager; /* Object: objLanguageManager Stores a reference to the global */ private $objLanguageManager; private $challengeResponse; /* Constructor: xajax Constructs a xajax instance and initializes the plugin system. Parameters: sRequestURI - (optional): The sRequestURI> to be used for calls back to the server. If empty, xajax fills in the current URI that initiated this request. */ public function __construct($sRequestURI=null, $sLanguage=null) { $this->bErrorHandler = false; $this->aProcessingEvents = array(); $this->bExitAllowed = true; $this->bCleanBuffer = true; $this->sLogFile = ''; $this->__wakeup(); // The default configuration settings. $this->configureMany( array( 'characterEncoding' => XAJAX_DEFAULT_CHAR_ENCODING, 'decodeUTF8Input' => false, 'outputEntities' => false, 'responseType' => 'JSON', 'defaultMode' => 'asynchronous', 'defaultMethod' => 'POST', // W3C: Method is case sensitive 'wrapperPrefix' => 'xajax_', 'debug' => false, 'verbose' => false, 'useUncompressedScripts' => false, 'statusMessages' => false, 'waitCursor' => true, 'scriptDeferral' => false, 'exitAllowed' => true, 'errorHandler' => false, 'cleanBuffer' => false, 'allowBlankResponse' => false, 'allowAllResponseTypes' => false, 'generateStubs' => true, 'logFile' => '', 'timeout' => 6000, 'version' => $this->getVersion() ) ); if (null !== $sRequestURI) $this->configure('requestURI', $sRequestURI); else $this->configure('requestURI', $this->_detectURI()); if (null !== $sLanguage) $this->configure('language', $sLanguage); if ('utf-8' != XAJAX_DEFAULT_CHAR_ENCODING) $this->configure("decodeUTF8Input", true); } /* Function: __sleep */ public function __sleep() { $aMembers = get_class_vars(get_class($this)); if (isset($aMembers['objLanguageManager'])) unset($aMembers['objLanguageManager']); if (isset($aMembers['objPluginManager'])) unset($aMembers['objPluginManager']); if (isset($aMembers['objArgumentManager'])) unset($aMembers['objArgumentManager']); if (isset($aMembers['objResponseManager'])) unset($aMembers['objResponseManager']); if (isset($aMembers['sCoreIncludeOutput'])) unset($aMembers['sCoreIncludeOutput']); return array_keys($aMembers); } /* Function: __wakeup */ public function __wakeup() { ob_start(); $sLocalFolder = dirname(__FILE__); //SkipAIO require $sLocalFolder . '/xajaxPluginManager.inc.php'; require $sLocalFolder . '/xajaxLanguageManager.inc.php'; require $sLocalFolder . '/xajaxArgumentManager.inc.php'; require $sLocalFolder . '/xajaxResponseManager.inc.php'; require $sLocalFolder . '/xajaxRequest.inc.php'; require $sLocalFolder . '/xajaxResponse.inc.php'; //EndSkipAIO // this is the list of folders where xajax will look for plugins // that will be automatically included at startup. $aPluginFolders = array(); $aPluginFolders[] = dirname($sLocalFolder) . '/xajax_plugins'; //SkipAIO $aPluginFolders[] = $sLocalFolder . '/plugin_layer'; //EndSkipAIO // Setup plugin manager $this->objPluginManager = xajaxPluginManager::getInstance(); $this->objPluginManager->loadPlugins($aPluginFolders); $this->objLanguageManager = xajaxLanguageManager::getInstance(); $this->objArgumentManager = xajaxArgumentManager::getInstance(); $this->objResponseManager = xajaxResponseManager::getInstance(); $this->sCoreIncludeOutput = ob_get_clean(); $this->configureMany($this->aSettings); } /* Function: getGlobalResponse Returns the object preconfigured with the encoding and entity settings from this instance of . This is used for singleton-pattern response development. Returns: : A object which can be used to return response commands. See also the class. */ public static function &getGlobalResponse() { static $obj; if (!$obj) { $obj = new xajaxResponse(); } return $obj; } /* Function: getVersion Returns: string : The current xajax version. */ public static function getVersion() { return 'xajax 0.5'; } /* Function: register Call this function to register request handlers, including functions, callable objects and events. New plugins can be added that support additional registration methods and request processors. Parameters: $sType - (string): Type of request handler being registered; standard options include: XAJAX_FUNCTION: a function declared at global scope. XAJAX_CALLABLE_OBJECT: an object who's methods are to be registered. XAJAX_EVENT: an event which will cause zero or more event handlers to be called. XAJAX_EVENT_HANDLER: register an event handler function. $sFunction || $objObject || $sEvent - (mixed): when registering a function, this is the name of the function when registering a callable object, this is the object being registered when registering an event or event handler, this is the name of the event $sIncludeFile || $aCallOptions || $sEventHandler when registering a function, this is the (optional) include file. when registering a callable object, this is an (optional) array of call options for the functions being registered. when registering an event handler, this is the name of the function. */ public function register($sType, $mArg) { $aArgs = func_get_args(); $nArgs = func_num_args(); if (2 < $nArgs) { if (XAJAX_PROCESSING_EVENT == $aArgs[0]) { $sEvent = $aArgs[1]; $xuf = $aArgs[2]; if (false == is_a($xuf, 'xajaxUserFunction')) $xuf = new xajaxUserFunction($xuf); $this->aProcessingEvents[$sEvent] = $xuf; return true; } } return $this->objPluginManager->register($aArgs); } /* Function: configure Call this function to set options that will effect the processing of xajax requests. Configuration settings can be specific to the xajax core, request processor plugins and response plugins. Parameters: Options include: javascript URI - (string): The path to the folder that contains the xajax javascript files. errorHandler - (boolean): true to enable the xajax error handler, see bErrorHandler> exitAllowed - (boolean): true to allow xajax to exit after processing a request. See bExitAllowed> for more information. */ public function configure($sName, $mValue) { if ('errorHandler' == $sName) { if (true === $mValue || false === $mValue) $this->bErrorHandler = $mValue; } else if ('exitAllowed' == $sName) { if (true === $mValue || false === $mValue) $this->bExitAllowed = $mValue; } else if ('cleanBuffer' == $sName) { if (true === $mValue || false === $mValue) $this->bCleanBuffer = $mValue; } else if ('logFile' == $sName) { $this->sLogFile = $mValue; } $this->objLanguageManager->configure($sName, $mValue); $this->objArgumentManager->configure($sName, $mValue); $this->objPluginManager->configure($sName, $mValue); $this->objResponseManager->configure($sName, $mValue); $this->aSettings[$sName] = $mValue; } /* Function: configureMany Set an array of configuration options. Parameters: $aOptions - (array): Associative array of configuration settings */ public function configureMany($aOptions) { foreach ($aOptions as $sName => $mValue) $this->configure($sName, $mValue); } /* Function: getConfiguration Get the current value of a configuration setting that was previously set via configure> or configureMany> Parameters: $sName - (string): The name of the configuration setting Returns: $mValue : (mixed): The value of the setting if set, null otherwise. */ public function getConfiguration($sName) { if (isset($this->aSettings[$sName])) return $this->aSettings[$sName]; return NULL; } /* Function: canProcessRequest Determines if a call is a xajax request or a page load request. Return: boolean - True if this is a xajax request, false otherwise. */ public function canProcessRequest() { return $this->objPluginManager->canProcessRequest(); } /* Function: VerifySession Ensure that an active session is available (primarily used for storing challenge / response codes). */ private function verifySession() { $sessionID = session_id(); if ($sessionID === '') { $this->objResponseManager->debug( 'Must enable sessions to use challenge/response.' ); return false; } return true; } private function loadChallenges($sessionKey) { $challenges = array(); if (isset($_SESSION[$sessionKey])) $challenges = $_SESSION[$sessionKey]; return $challenges; } private function saveChallenges($sessionKey, $challenges) { if (count($challenges) > 10) array_shift($challenges); $_SESSION[$sessionKey] = $challenges; } private function makeChallenge($algo, $value) { // TODO: Move to configuration option if (null === $algo) $algo = 'md5'; // TODO: Move to configuration option if (null === $value) $value = rand(100000, 999999); return hash($algo, $value); } /* Function: challenge Call this from the top of a xajax enabled request handler to introduce a challenge and response cycle into the request response process. NOTE: Sessions must be enabled to use this feature. */ public function challenge($algo=null, $value=null) { if (false === $this->verifySession()) return false; // TODO: Move to configuration option $sessionKey = 'xajax_challenges'; $challenges = $this->loadChallenges($sessionKey); if (isset($this->challengeResponse)) { $key = array_search($this->challengeResponse, $challenges); if ($key !== false) { unset($challenges[$key]); $this->saveChallenges($sessionKey, $challenges); return true; } } $challenge = $this->makeChallenge($algo, $value); $challenges[] = $challenge; $this->saveChallenges($sessionKey, $challenges); header("challenge: {$challenge}"); return false; } /* Function: processRequest If this is a xajax request (see canProcessRequest>), call the requested PHP function, build the response and send it back to the browser. This is the main server side engine for xajax. It handles all the incoming requests, including the firing of events and handling of the response. If your RequestURI is the same as your web page, then this function should be called before ANY headers or HTML is output from your script. This function may exit, if a request is processed. See bAllowExit> */ public function processRequest() { if (isset($_SERVER['HTTP_CHALLENGE_RESPONSE'])) $this->challengeResponse = $_SERVER['HTTP_CHALLENGE_RESPONSE']; //SkipDebug // Check to see if headers have already been sent out, in which case we can't do our job if (headers_sent($filename, $linenumber)) { echo "Output has already been sent to the browser at {$filename}:{$linenumber}.\n"; echo 'Please make sure the command $xajax->processRequest() is placed before this.'; exit(); } //EndSkipDebug if ($this->canProcessRequest()) { // Use xajax error handler if necessary if ($this->bErrorHandler) { $GLOBALS['xajaxErrorHandlerText'] = ""; set_error_handler("xajaxErrorHandler"); } $mResult = true; // handle beforeProcessing event if (isset($this->aProcessingEvents[XAJAX_PROCESSING_EVENT_BEFORE])) { $bEndRequest = false; $this->aProcessingEvents[XAJAX_PROCESSING_EVENT_BEFORE]->call( array(&$bEndRequest) ); $mResult = (false === $bEndRequest); } if (true === $mResult) $mResult = $this->objPluginManager->processRequest(); if (true === $mResult) { if ($this->bCleanBuffer) { $er = error_reporting(0); while (ob_get_level() > 0) ob_end_clean(); error_reporting($er); } // handle afterProcessing event if (isset($this->aProcessingEvents[XAJAX_PROCESSING_EVENT_AFTER])) { $bEndRequest = false; $this->aProcessingEvents[XAJAX_PROCESSING_EVENT_AFTER]->call( array($bEndRequest) ); if (true === $bEndRequest) { $this->objResponseManager->clear(); $this->objResponseManager->append($aResult[1]); } } } else if (is_string($mResult)) { if ($this->bCleanBuffer) { $er = error_reporting(0); while (ob_get_level() > 0) ob_end_clean(); error_reporting($er); } // $mResult contains an error message // the request was missing the cooresponding handler function // or an error occurred while attempting to execute the // handler. replace the response, if one has been started // and send a debug message. $this->objResponseManager->clear(); $this->objResponseManager->append(new xajaxResponse()); // handle invalidRequest event if (isset($this->aProcessingEvents[XAJAX_PROCESSING_EVENT_INVALID])) $this->aProcessingEvents[XAJAX_PROCESSING_EVENT_INVALID]->call(); else $this->objResponseManager->debug($mResult); } if ($this->bErrorHandler) { $sErrorMessage = $GLOBALS['xajaxErrorHandlerText']; if (!empty($sErrorMessage)) { if (0 < strlen($this->sLogFile)) { $fH = @fopen($this->sLogFile, "a"); if (NULL != $fH) { fwrite( $fH, $this->objLanguageManager->getText('LOGHDR:01') . strftime("%b %e %Y %I:%M:%S %p") . $this->objLanguageManager->getText('LOGHDR:02') . $sErrorMessage . $this->objLanguageManager->getText('LOGHDR:03') ); fclose($fH); } else { $this->objResponseManager->debug( $this->objLanguageManager->getText('LOGERR:01') . $this->sLogFile ); } } $this->objResponseManager->debug( $this->objLanguageManager->getText('LOGMSG:01') . $sErrorMessage ); } } $this->objResponseManager->send(); if ($this->bErrorHandler) restore_error_handler(); if ($this->bExitAllowed) exit(); } } /* Function: printJavascript Prints the xajax Javascript header and wrapper code into your page. This should be used to print the javascript code between the HEAD and /HEAD tags at the top of the page. The javascript code output by this function is dependent on the plugins that are included and the functions that are registered. */ public function printJavascript() { $this->objPluginManager->generateClientScript(); } /* Function: getJavascript See printJavascript> for more information. */ public function getJavascript() { ob_start(); $this->printJavascript(); return ob_get_clean(); } /* Function: autoCompressJavascript Creates a new xajax_core, xajax_debug, etc... file out of the _uncompressed file with a similar name. This strips out the comments and extraneous whitespace so the file is as small as possible without modifying the function of the code. Parameters: sJsFullFilename - (string): The relative path and name of the file to be compressed. bAlways - (boolean): Compress the file, even if it already exists. */ public function autoCompressJavascript($sJsFullFilename=NULL, $bAlways=false) { $sJsFile = 'xajax_js/xajax_core.js'; if ($sJsFullFilename) { $realJsFile = $sJsFullFilename; } else { $realPath = realpath(dirname(dirname(__FILE__))); $realJsFile = $realPath . '/'. $sJsFile; } // Create a compressed file if necessary if (!file_exists($realJsFile) || true == $bAlways) { $srcFile = str_replace('.js', '_uncompressed.js', $realJsFile); if (!file_exists($srcFile)) { trigger_error( $this->objLanguageManager->getText('CMPRSJS:RDERR:01') . dirname($realJsFile) . $this->objLanguageManager->getText('CMPRSJS:RDERR:02') , E_USER_ERROR ); } require_once(dirname(__FILE__) . '/xajaxCompress.inc.php'); $javaScript = implode('', file($srcFile)); $compressedScript = xajaxCompressFile($javaScript); $fH = @fopen($realJsFile, 'w'); if (!$fH) { trigger_error( $this->objLanguageManager->getText('CMPRSJS:WTERR:01') . dirname($realJsFile) . $this->objLanguageManager->getText('CMPRSJS:WTERR:02') , E_USER_ERROR ); } else { fwrite($fH, $compressedScript); fclose($fH); } } } private function _compressSelf($sFolder=null) { if (null == $sFolder) $sFolder = dirname(dirname(__FILE__)); require_once(dirname(__FILE__) . '/xajaxCompress.inc.php'); if ($handle = opendir($sFolder)) { while (!(false === ($sName = readdir($handle)))) { if ('.' != $sName && '..' != $sName && is_dir($sFolder . '/' . $sName)) { $this->_compressSelf($sFolder . '/' . $sName); } else if (8 < strlen($sName) && 0 == strpos($sName, '.compressed')) { if ('.inc.php' == substr($sName, strlen($sName) - 8, 8)) { $sName = substr($sName, 0, strlen($sName) - 8); $sPath = $sFolder . '/' . $sName . '.inc.php'; if (file_exists($sPath)) { $aParsed = array(); $aFile = file($sPath); $nSkip = 0; foreach (array_keys($aFile) as $sKey) if ('//SkipDebug' == $aFile[$sKey]) ++$nSkip; else if ('//EndSkipDebug' == $aFile[$sKey]) --$nSkip; else if (0 == $nSkip) $aParsed[] = $aFile[$sKey]; unset($aFile); $compressedScript = xajaxCompressFile(implode('', $aParsed)); $sNewPath = $sPath; $fH = @fopen($sNewPath, 'w'); if (!$fH) { trigger_error( $this->objLanguageManager->getText('CMPRSPHP:WTERR:01') . $sNewPath . $this->objLanguageManager->getText('CMPRSPHP:WTERR:02') , E_USER_ERROR ); } else { fwrite($fH, $compressedScript); fclose($fH); } } } } } closedir($handle); } } public function _compile($sFolder=null, $bWriteFile=true) { if (null == $sFolder) $sFolder = dirname(__FILE__); require_once(dirname(__FILE__) . '/xajaxCompress.inc.php'); $aOutput = array(); if ($handle = opendir($sFolder)) { while (!(false === ($sName = readdir($handle)))) { if ('.' != $sName && '..' != $sName && is_dir($sFolder . '/' . $sName)) { $aOutput[] = $this->_compile($sFolder . '/' . $sName, false); } else if (8 < strlen($sName)) { if ('.inc.php' == substr($sName, strlen($sName) - 8, 8)) { $sName = substr($sName, 0, strlen($sName) - 8); $sPath = $sFolder . '/' . $sName . '.inc.php'; if ( 'xajaxAIO' != $sName && 'xajaxCompress' != $sName ) { if (file_exists($sPath)) { $aParsed = array(); $aFile = file($sPath); $nSkip = 0; foreach (array_keys($aFile) as $sKey) if ('//SkipDebug' == substr($aFile[$sKey], 0, 11)) ++$nSkip; else if ('//EndSkipDebug' == substr($aFile[$sKey], 0, 14)) --$nSkip; else if ('//SkipAIO' == substr($aFile[$sKey], 0, 9)) ++$nSkip; else if ('//EndSkipAIO' == substr($aFile[$sKey], 0, 12)) --$nSkip; else if ('<'.'?php' == substr($aFile[$sKey], 0, 5)) {} else if ('?'.'>' == substr($aFile[$sKey], 0, 2)) {} else if (0 == $nSkip) $aParsed[] = $aFile[$sKey]; unset($aFile); $aOutput[] = xajaxCompressFile(implode('', $aParsed)); } } } } } closedir($handle); } if ($bWriteFile) { $fH = @fopen($sFolder . '/xajaxAIO.inc.php', 'w'); if (!$fH) { trigger_error( $this->objLanguageManager->getText('CMPRSAIO:WTERR:01') . $sFolder . $this->objLanguageManager->getText('CMPRSAIO:WTERR:02') , E_USER_ERROR ); } else { fwrite($fH, '<'.'?php '); fwrite($fH, implode('', $aOutput)); fclose($fH); } } return implode('', $aOutput); } /* Function: _detectURI Returns the current requests URL based upon the SERVER vars. Returns: string : The URL of the current request. */ private function _detectURI() { $aURL = array(); // Try to get the request URL if (!empty($_SERVER['REQUEST_URI'])) { $_SERVER['REQUEST_URI'] = str_replace( array('"',"'",'<','>'), array('%22','%27','%3C','%3E'), $_SERVER['REQUEST_URI'] ); $aURL = parse_url($_SERVER['REQUEST_URI']); } // Fill in the empty values if (empty($aURL['scheme'])) { if (!empty($_SERVER['HTTP_SCHEME'])) { $aURL['scheme'] = $_SERVER['HTTP_SCHEME']; } else { $aURL['scheme'] = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') ? 'https' : 'http'; } } if (empty($aURL['host'])) { if (!empty($_SERVER['HTTP_X_FORWARDED_HOST'])) { if (strpos($_SERVER['HTTP_X_FORWARDED_HOST'], ':') > 0) { list($aURL['host'], $aURL['port']) = explode(':', $_SERVER['HTTP_X_FORWARDED_HOST']); } else { $aURL['host'] = $_SERVER['HTTP_X_FORWARDED_HOST']; } } else if (!empty($_SERVER['HTTP_HOST'])) { if (strpos($_SERVER['HTTP_HOST'], ':') > 0) { list($aURL['host'], $aURL['port']) = explode(':', $_SERVER['HTTP_HOST']); } else { $aURL['host'] = $_SERVER['HTTP_HOST']; } } else if (!empty($_SERVER['SERVER_NAME'])) { $aURL['host'] = $_SERVER['SERVER_NAME']; } else { echo $this->objLanguageManager->getText('DTCTURI:01'); echo $this->objLanguageManager->getText('DTCTURI:02'); exit(); } } if (empty($aURL['port']) && !empty($_SERVER['SERVER_PORT'])) { $aURL['port'] = $_SERVER['SERVER_PORT']; } if (!empty($aURL['path'])) if (0 == strlen(basename($aURL['path']))) unset($aURL['path']); if (empty($aURL['path'])) { $sPath = array(); if (!empty($_SERVER['PATH_INFO'])) { $sPath = parse_url($_SERVER['PATH_INFO']); } else { $sPath = parse_url($_SERVER['PHP_SELF']); } if (isset($sPath['path'])) $aURL['path'] = str_replace(array('"',"'",'<','>'), array('%22','%27','%3C','%3E'), $sPath['path']); unset($sPath); } if (empty($aURL['query']) && !empty($_SERVER['QUERY_STRING'])) { $aURL['query'] = $_SERVER['QUERY_STRING']; } if (!empty($aURL['query'])) { $aURL['query'] = '?'.$aURL['query']; } // Build the URL: Start with scheme, user and pass $sURL = $aURL['scheme'].'://'; if (!empty($aURL['user'])) { $sURL.= $aURL['user']; if (!empty($aURL['pass'])) { $sURL.= ':'.$aURL['pass']; } $sURL.= '@'; } // Add the host $sURL.= $aURL['host']; // Add the port if needed if (!empty($aURL['port']) && (($aURL['scheme'] == 'http' && $aURL['port'] != 80) || ($aURL['scheme'] == 'https' && $aURL['port'] != 443))) { $sURL.= ':'.$aURL['port']; } // Add the path and the query string $sURL.= $aURL['path'].@$aURL['query']; // Clean up unset($aURL); $aURL = explode("?", $sURL); if (1 < count($aURL)) { $aQueries = explode("&", $aURL[1]); foreach ($aQueries as $sKey => $sQuery) { if ("xjxGenerate" == substr($sQuery, 0, 11)) unset($aQueries[$sKey]); } $sQueries = implode("&", $aQueries); $aURL[1] = $sQueries; $sURL = implode("?", $aURL); } return $sURL; } } /* Section: Global functions */ /* Function xajaxErrorHandler This function is registered with PHP's set_error_handler if the xajax error handling system is enabled. See bUserErrorHandler> */ function xajaxErrorHandler($errno, $errstr, $errfile, $errline) { $errorReporting = error_reporting(); if (($errno & $errorReporting) == 0) return; if ($errno == E_NOTICE) { $errTypeStr = 'NOTICE'; } else if ($errno == E_WARNING) { $errTypeStr = 'WARNING'; } else if ($errno == E_USER_NOTICE) { $errTypeStr = 'USER NOTICE'; } else if ($errno == E_USER_WARNING) { $errTypeStr = 'USER WARNING'; } else if ($errno == E_USER_ERROR) { $errTypeStr = 'USER FATAL ERROR'; } else if (defined('E_STRICT') && $errno == E_STRICT) { return; } else { $errTypeStr = 'UNKNOWN: ' . $errno; } $sCrLf = "\n"; ob_start(); echo $GLOBALS['xajaxErrorHandlerText']; echo $sCrLf; echo '----'; echo $sCrLf; echo '['; echo $errTypeStr; echo '] '; echo $errstr; echo $sCrLf; echo 'Error on line '; echo $errline; echo ' of file '; echo $errfile; $GLOBALS['xajaxErrorHandlerText'] = ob_get_clean(); }