Inheritance diagram for ilErrorHandling:

Collaboration diagram for ilErrorHandling:

Public Member Functions
	__construct ()
	Constructor public. More...

	getHandler ()
	Get a handler for an error or exception. More...

	getLastError ()

	errorHandler ($a_error_obj)
	defines what has to happen in case of error private More...

	getMessage ()

	setMessage ($a_message)

	appendMessage ($a_message)

	handlePreWhoops ($level, $message, $file, $line)

Public Member Functions inherited from PEAR
	__construct ($error_class=null)
	Constructor. More...

	_PEAR ()
	Destructor (the emulated type of...). More...

	registerShutdownFunc ($func, $args=array())
	Use this function to register a shutdown method for static classes. More...

	isError ($data, $code=null)
	Tell whether a value is a PEAR error. More...

	expectError ($code=' *')
	This method is used to tell which errors you expect to get. More...

	popExpect ()
	This method pops one element off the expected error codes stack. More...

	_checkDelExpect ($error_code)
	This method checks unsets an error code if available. More...

	delExpect ($error_code)
	This method deletes all occurences of the specified element from the expected error codes stack. More...

&	raiseError ($message=null, $code=null, $mode=null, $options=null, $userinfo=null, $error_class=null, $skipmsg=false)
	This method is a wrapper that returns an instance of the configured error class with this object's default error handling applied. More...

&	throwError ($message=null, $code=null, $userinfo=null)
	Simpler form of raiseError with fewer options. More...

	staticPushErrorHandling ($mode, $options=null)

	staticPopErrorHandling ()

	pushErrorHandling ($mode, $options=null)
	Push a new error handler on top of the error handler options stack. More...

	popErrorHandling ()
	Pop the last error handler used. More...

	loadExtension ($ext)
	OS independant PHP extension load. More...

Static Public Member Functions
static	_ilErrorWriter ($errno, $errstr, $errfile, $errline)
	This is used in Soap calls to write PHP error in ILIAS Logfile Not used yet!!! More...

Static Public Member Functions inherited from PEAR
static &	getStaticProperty ($class, $var)
	If you have a class that's mostly/entirely static, and you need static properties, you can use this method to simulate them. More...

static	setErrorHandling ($mode=null, $options=null)
	Sets how errors generated by this object should be handled. More...

Data Fields
	$DEBUG_ENV

	$FATAL

	$WARNING

	$MESSAGE

Data Fields inherited from PEAR
	$_debug = false

	$_default_error_mode = null

	$_default_error_options = null

	$_default_error_handler = ''

	$_error_class = 'PEAR_Error'

	$_expected_errors = array()

Protected Member Functions
	initWhoopsHandlers ()
	Initialize Error and Exception Handlers. More...

	getIlRuntime ()
	Get ilRuntime. More...

	getWhoops ()
	Get an instance of Whoops/Run. More...

	isDevmodeActive ()
	Is the DEVMODE switched on? More...

	defaultHandler ()
	Get a default error handler. More...

	devmodeHandler ()
	Get the handler to be used in DEVMODE. More...

	addEditorSupport (PrettyPageHandler $handler)

	applyEditorPathTranslations (string &$file, array $pathTranslations)

	parseEditorPathTranslation (string $pathTranslationConfig)

Static Protected Attributes
static	$whoops_handlers_registered = false

Detailed Description

Definition at line 31 of file class.ilErrorHandling.php.

Constructor & Destructor Documentation

◆ __construct()

ilErrorHandling::__construct ( )

Constructor public.

Definition at line 71 of file class.ilErrorHandling.php.

References ILIAS\GlobalScreen\Provider\__construct(), and initWhoopsHandlers().

     {
         parent::__construct();
 
         // init vars
         $this->DEBUG_ENV = true;
         $this->FATAL = 1;
         $this->WARNING = 2;
         $this->MESSAGE = 3;
 
         $this->error_obj = false;
         
         $this->initWhoopsHandlers();
         
         // somehow we need to get rid of the whoops error handler
         restore_error_handler();
         set_error_handler(array($this, "handlePreWhoops"));
     }

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Member Function Documentation

◆ _ilErrorWriter()

static ilErrorHandling::_ilErrorWriter	(	$errno,
		$errstr,
		$errfile,
		$errline
	)

static

This is used in Soap calls to write PHP error in ILIAS Logfile Not used yet!!!

public

Parameters

Definition at line 293 of file class.ilErrorHandling.php.

References $ilLog, and exit.

     {
         global $ilLog;
         
         switch ($errno) {
             case E_USER_ERROR:
                 $ilLog->write('PHP errror: ' . $errstr . '. FATAL error on line ' . $errline . ' in file ' . $errfile);
                 unset($ilLog);
                 exit(1);
             
             case E_USER_WARNING:
                 $ilLog->write('PHP warning: [' . $errno . '] ' . $errstr . ' on line ' . $errline . ' in file ' . $errfile);
                 break;
             
         }
         return true;
     }

◆ addEditorSupport()

ilErrorHandling::addEditorSupport ( PrettyPageHandler $handler )

protected

Parameters

PrettyPageHandler $handler

Definition at line 418 of file class.ilErrorHandling.php.

References applyEditorPathTranslations(), and parseEditorPathTranslation().

Referenced by devmodeHandler().

     {
         $editorUrl = defined('ERROR_EDITOR_URL') ? ERROR_EDITOR_URL : '';
         if (!is_string($editorUrl) || 0 === strlen($editorUrl)) {
             return;
         }
 
         $pathTranslationConfig = defined('ERROR_EDITOR_PATH_TRANSLATIONS') ? ERROR_EDITOR_PATH_TRANSLATIONS : '';
 
         $pathTranslations = $this->parseEditorPathTranslation($pathTranslationConfig);
 
         $handler->setEditor(function ($file, $line) use ($editorUrl, $pathTranslations) {
             $this->applyEditorPathTranslations($file, $pathTranslations);
 
             return str_ireplace(
                 ['[FILE]', '[LINE]'],
                 [$file, $line],
                 $editorUrl
             );
         });
     }

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◆ appendMessage()

ilErrorHandling::appendMessage ( $a_message )

Definition at line 276 of file class.ilErrorHandling.php.

References getMessage().

     {
         if ($this->getMessage()) {
             $this->message .= "<br /> ";
         }
         $this->message .= $a_message;
     }

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◆ applyEditorPathTranslations()

ilErrorHandling::applyEditorPathTranslations	(	string &	$file,
		array	$pathTranslations
	)

protected

Parameters

string	$file
array	$pathTranslations

Definition at line 444 of file class.ilErrorHandling.php.

Referenced by addEditorSupport().

     {
         foreach ($pathTranslations as $from => $to) {
             $file = preg_replace('@' . $from . '@', $to, $file);
         }
     }

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◆ defaultHandler()

ilErrorHandling::defaultHandler ( )

protected

Get a default error handler.

Returns: Whoops

Definition at line 342 of file class.ilErrorHandling.php.

References $lng, $message, ilLoggingErrorSettings\getInstance(), ilUtil\redirect(), ilUtil\sendFailure(), and ilLoggingErrorFileStorage\write().

Referenced by getHandler().

     {
         // php7-todo : alex, 1.3.2016: Exception -> Throwable, please check
         return new CallbackHandler(function ($exception, Inspector $inspector, Run $run) {
             global $lng;
 
             require_once("Services/Logging/classes/error/class.ilLoggingErrorSettings.php");
             require_once("Services/Logging/classes/error/class.ilLoggingErrorFileStorage.php");
             require_once("Services/Utilities/classes/class.ilUtil.php");
 
             $session_id = substr(session_id(), 0, 5);
             $random = new \ilRandom();
             $err_num = $random->int(1, 9999);
             $file_name = $session_id . "_" . $err_num;
 
             $logger = ilLoggingErrorSettings::getInstance();
             if (!empty($logger->folder())) {
                 $lwriter = new ilLoggingErrorFileStorage($inspector, $logger->folder(), $file_name);
                 $lwriter->write();
             }
 
             //Use $lng if defined or fallback to english
             if ($lng !== null) {
                 $lng->loadLanguageModule('logging');
                 $message = sprintf($lng->txt("log_error_message"), $file_name);
 
                 if ($logger->mail()) {
                     $message .= " " . sprintf($lng->txt("log_error_message_send_mail"), $logger->mail(), $file_name, $logger->mail());
                 }
             } else {
                 $message = 'Sorry, an error occured. A logfile has been created which can be identified via the code "' . $file_name . '"';
 
                 if ($logger->mail()) {
                     $message .= ' ' . 'Please send a mail to <a href="mailto:' . $logger->mail() . '?subject=code: ' . $file_name . '">' . $logger->mail() . '</a>';
                 }
             }
 
             ilUtil::sendFailure($message, true);
             ilUtil::redirect("error.php");
         });
     }

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◆ devmodeHandler()

ilErrorHandling::devmodeHandler ( )

protected

Get the handler to be used in DEVMODE.

Returns: Whoops

Definition at line 388 of file class.ilErrorHandling.php.

References $ilLog, and addEditorSupport().

Referenced by getHandler().

     {
         global $ilLog;
         
         switch (ERROR_HANDLER) {
             case "TESTING":
                 return new ilTestingHandler();
             case "PLAIN_TEXT":
                 return new ilPlainTextHandler();
             case "PRETTY_PAGE":
                 // fallthrough
             default:
                 if ((!defined('ERROR_HANDLER') || ERROR_HANDLER != 'PRETTY_PAGE') && $ilLog) {
                     $ilLog->write(
                         "Unknown or undefined error handler '" . ERROR_HANDLER . "'. " .
                         "Falling back to PrettyPageHandler."
                     );
                 }
 
                 $prettyPageHandler = new PrettyPageHandler();
 
                 $this->addEditorSupport($prettyPageHandler);
 
                 return $prettyPageHandler;
         }
     }

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◆ errorHandler()

ilErrorHandling::errorHandler ( $a_error_obj )

defines what has to happen in case of error private

Parameters

object Error

Definition at line 150 of file class.ilErrorHandling.php.

References $_POST, $_SERVER, $_SESSION, Vendor\Package\$b, $FATAL, $i, $log, $message, $MESSAGE, $WARNING, exit, ILIAS_HTTP_PATH, and ilUtil\redirect().

     {
         global $log;
 
         // see bug 18499 (some calls to raiseError do not pass a code, which leads to security issues, if these calls
         // are done due to permission checks)
         if ($a_error_obj->getCode() == null) {
             $a_error_obj->code = $this->WARNING;
         }
 
         $this->error_obj = &$a_error_obj;
         //echo "-".$_SESSION["referer"]."-";
         if ($_SESSION["failure"] && substr($a_error_obj->getMessage(), 0, 22) != "Cannot find this block") {
             $m = "Fatal Error: Called raise error two times.<br>" .
                 "First error: " . $_SESSION["failure"] . '<br>' .
                 "Last Error:" . $a_error_obj->getMessage();
             //return;
             $log->write($m);
             #$log->writeWarning($m);
             #$log->logError($a_error_obj->getCode(), $m);
             unset($_SESSION["failure"]);
             die($m);
         }
 
         if (substr($a_error_obj->getMessage(), 0, 22) == "Cannot find this block") {
             if (DEVMODE == 1) {
                 echo "<b>DEVMODE</b><br><br>";
                 echo "<b>Template Block not found.</b><br>";
                 echo "You used a template block in your code that is not available.<br>";
                 echo "Native Messge: <b>" . $a_error_obj->getMessage() . "</b><br>";
                 if (is_array($a_error_obj->backtrace)) {
                     echo "Backtrace:<br>";
                     foreach ($a_error_obj->backtrace as $b) {
                         if ($b["function"] == "setCurrentBlock" &&
                             basename($b["file"]) != "class.ilTemplate.php") {
                             echo "<b>";
                         }
                         echo "File: " . $b["file"] . ", ";
                         echo "Line: " . $b["line"] . ", ";
                         echo $b["function"] . "()<br>";
                         if ($b["function"] == "setCurrentBlock" &&
                             basename($b["file"]) != "class.ilTemplate.php") {
                             echo "</b>";
                         }
                     }
                 }
                 exit;
             }
             return;
         }
 
         if (is_object($log) and $log->enabled == true) {
             $log->write($a_error_obj->getMessage());
             #$log->logError($a_error_obj->getCode(),$a_error_obj->getMessage());
         }
 
         //echo $a_error_obj->getCode().":"; exit;
         if ($a_error_obj->getCode() == $this->FATAL) {
             trigger_error(stripslashes($a_error_obj->getMessage()), E_USER_ERROR);
             exit();
         }
 
         if ($a_error_obj->getCode() == $this->WARNING) {
             if ($this->DEBUG_ENV) {
                 $message = $a_error_obj->getMessage();
             } else {
                 $message = "Under Construction";
             }
 
             $_SESSION["failure"] = $message;
 
             if (!defined("ILIAS_MODULE")) {
                 ilUtil::redirect("error.php");
             } else {
                 ilUtil::redirect("../error.php");
             }
         }
 
         if ($a_error_obj->getCode() == $this->MESSAGE) {
             $_SESSION["failure"] = $a_error_obj->getMessage();
             // save post vars to session in case of error
             $_SESSION["error_post_vars"] = $_POST;
 
             if (empty($_SESSION["referer"])) {
                 $dirname = dirname($_SERVER["PHP_SELF"]);
                 $ilurl = parse_url(ILIAS_HTTP_PATH);
 
                 $subdir = '';
                 if (is_array($ilurl) && array_key_exists('path', $ilurl) && strlen($ilurl['path'])) {
                     $subdir = substr(strstr($dirname, (string) $ilurl["path"]), strlen((string) $ilurl["path"]));
                     $updir = "";
                 }
                 if ($subdir) {
                     $num_subdirs = substr_count($subdir, "/");
 
                     for ($i = 1;$i <= $num_subdirs;$i++) {
                         $updir .= "../";
                     }
                 }
                 ilUtil::redirect($updir . "index.php");
             }
 
             /* #12104
             check if already GET-Parameters exists in Referer-URI
             if (substr($_SESSION["referer"],-4) == ".php")
             {
                 $glue = "?";
             }
             else
             {
                 // this did break permanent links (".html&")
                 $glue = "&";
             }
             */
             ilUtil::redirect($_SESSION["referer"]);
         }
     }

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◆ getHandler()

ilErrorHandling::getHandler ( )

Get a handler for an error or exception.

Uses Whoops Pretty Page Handler in DEVMODE and the legacy ILIAS-Error handlers otherwise.

Returns: Whoops

Definition at line 126 of file class.ilErrorHandling.php.

References defaultHandler(), devmodeHandler(), and isDevmodeActive().

     {
         // TODO: * Use Whoops in production mode? This would require an appropriate
         //                 error-handler.
         //               * Check for context? The current implementation e.g. would output HTML for
         //                 for SOAP.
 
         if ($this->isDevmodeActive()) {
             return $this->devmodeHandler();
         }
 
         return $this->defaultHandler();
     }

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◆ getIlRuntime()

ilErrorHandling::getIlRuntime ( )

protected

Get ilRuntime.

Returns: ilRuntime

Definition at line 315 of file class.ilErrorHandling.php.

References ilRuntime\getInstance().

Referenced by initWhoopsHandlers().

     {
         return ilRuntime::getInstance();
     }

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◆ getLastError()

ilErrorHandling::getLastError ( )

Definition at line 140 of file class.ilErrorHandling.php.

     {
         return $this->error_obj;
     }

◆ getMessage()

ilErrorHandling::getMessage ( )

Definition at line 268 of file class.ilErrorHandling.php.

References $message.

Referenced by appendMessage().

     {
         return $this->message;
     }

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◆ getWhoops()

ilErrorHandling::getWhoops ( )

protected

Get an instance of Whoops/Run.

Returns: Whoops

Definition at line 324 of file class.ilErrorHandling.php.

Referenced by initWhoopsHandlers().

     {
         return new Run();
     }

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◆ handlePreWhoops()

ilErrorHandling::handlePreWhoops	(	$level,
		$message,
		$file,
		$line
	)

Definition at line 494 of file class.ilErrorHandling.php.

References $ilLog, $message, and isDevmodeActive().

     {
         global $ilLog;
         
         if ($level & error_reporting()) {
             
             // correct-with-php5-removal JL start
             // ignore all E_STRICT that are E_NOTICE (or nothing at all) in PHP7
             if (version_compare(PHP_VERSION, '7.0.0', '<')) {
                 if ($level == E_STRICT) {
                     if (!stristr($message, "should be compatible") &&
                         !stristr($message, "should not be called statically") &&
                         !stristr($message, "should not be abstract")) {
                         return true;
                     };
                 }
             }
             // correct-with-php5-removal end
 
             if (!$this->isDevmodeActive()) {
                 // log E_USER_NOTICE, E_STRICT, E_DEPRECATED, E_USER_DEPRECATED only
                 if ($level >= E_USER_NOTICE) {
                     if ($ilLog) {
                         $severity = Whoops\Util\Misc::TranslateErrorCode($level);
                         $ilLog->write("\n\n" . $severity . " - " . $message . "\n" . $file . " - line " . $line . "\n");
                     }
                     return true;
                 }
             }
             
             // trigger whoops error handling
             if ($this->whoops) {
                 return $this->whoops->handleError($level, $message, $file, $line);
             }
         }
         
         return false;
     }

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◆ initWhoopsHandlers()

ilErrorHandling::initWhoopsHandlers ( )

protected

Initialize Error and Exception Handlers.

Initializes Whoops, a logging handler and a delegate handler for the late initialisation of an appropriate error handler.

Returns: void

Definition at line 98 of file class.ilErrorHandling.php.

References getIlRuntime(), and getWhoops().

Referenced by __construct().

     {
         if (self::$whoops_handlers_registered) {
             // Only register whoops error handlers once.
             return;
         }
         
         $ilRuntime = $this->getIlRuntime();
         $this->whoops = $this->getWhoops();
         
         $this->whoops->pushHandler(new ilDelegatingHandler($this));
         
         if ($ilRuntime->shouldLogErrors()) {
             $this->whoops->pushHandler($this->loggingHandler());
         }
         
         $this->whoops->register();
         
         self::$whoops_handlers_registered = true;
     }

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◆ isDevmodeActive()

ilErrorHandling::isDevmodeActive ( )

protected

Is the DEVMODE switched on?

Returns: bool

Definition at line 333 of file class.ilErrorHandling.php.

Referenced by getHandler(), and handlePreWhoops().

     {
         return defined("DEVMODE") && (int) DEVMODE === 1;
     }

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◆ parseEditorPathTranslation()

ilErrorHandling::parseEditorPathTranslation ( string $pathTranslationConfig )

protected

Parameters

string $pathTranslationConfig

Returns: array

Definition at line 456 of file class.ilErrorHandling.php.

References $ilLog, and $message.

Referenced by addEditorSupport().

     {
         $pathTranslations = [];
 
         $mappings = explode('|', $pathTranslationConfig);
         foreach ($mappings as $mapping) {
             $parts = explode(',', $mapping);
             $pathTranslations[trim($parts[0])] = trim($parts[1]);
         }
 
         return $pathTranslations;
     }

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◆ setMessage()

ilErrorHandling::setMessage ( $a_message )

Definition at line 272 of file class.ilErrorHandling.php.

     {
         $this->message = $a_message;
     }

Field Documentation

◆ $DEBUG_ENV

ilErrorHandling::$DEBUG_ENV

Definition at line 38 of file class.ilErrorHandling.php.

◆ $FATAL

ilErrorHandling::$FATAL

Definition at line 45 of file class.ilErrorHandling.php.

Referenced by errorHandler().

◆ $MESSAGE

ilErrorHandling::$MESSAGE

Definition at line 59 of file class.ilErrorHandling.php.

Referenced by errorHandler().

◆ $WARNING

ilErrorHandling::$WARNING

Definition at line 52 of file class.ilErrorHandling.php.

Referenced by errorHandler().

◆ $whoops_handlers_registered

ilErrorHandling::$whoops_handlers_registered = false

staticprotected

Definition at line 65 of file class.ilErrorHandling.php.

The documentation for this class was generated from the following file:

Services/Init/classes/class.ilErrorHandling.php

Public Member Functions

Static Public Member Functions

Data Fields

Protected Member Functions

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ _ilErrorWriter()

◆ addEditorSupport()

◆ appendMessage()

◆ applyEditorPathTranslations()

◆ defaultHandler()

◆ devmodeHandler()

◆ errorHandler()

◆ getHandler()

◆ getIlRuntime()

◆ getLastError()

◆ getMessage()

◆ getWhoops()

◆ handlePreWhoops()

◆ initWhoopsHandlers()

◆ isDevmodeActive()

◆ parseEditorPathTranslation()

◆ setMessage()

Field Documentation

◆ $DEBUG_ENV

◆ $FATAL

◆ $MESSAGE

◆ $WARNING

◆ $whoops_handlers_registered