<?php
+/**
+ * MediaWiki exception
+ * @addtogroup Exception
+ */
class MWException extends Exception
{
function useOutputPage() {
return is_object( $wgLang );
}
+ function runHooks( $name, $args = array() ) {
+ global $wgExceptionHooks;
+ if( !isset( $wgExceptionHooks ) || !is_array( $wgExceptionHooks ) )
+ return; // Just silently ignore
+ if( !array_key_exists( $name, $wgExceptionHooks ) || !is_array( $wgExceptionHooks[ $name ] ) )
+ return;
+ $hooks = $wgExceptionHooks[ $name ];
+ $callargs = array_merge( array( $this ), $args );
+
+ foreach( $hooks as $hook ) {
+ if( is_string( $hook ) || ( is_array( $hook ) && count( $hook ) >= 2 && is_string( $hook[0] ) ) ) { //'function' or array( 'class', hook' )
+ $result = call_user_func_array( $hook, $callargs );
+ } else {
+ $result = null;
+ }
+ if( is_string( $result ) )
+ return $result;
+ }
+ }
+
+ /** Get a message from i18n */
function msg( $key, $fallback /*[, params...] */ ) {
$args = array_slice( func_get_args(), 2 );
if ( $this->useMessageCache() ) {
}
}
+ /* If wgShowExceptionDetails, return a HTML message with a backtrace to the error. */
function getHTML() {
global $wgShowExceptionDetails;
if( $wgShowExceptionDetails ) {
"</p>\n";
} else {
return "<p>Set <b><tt>\$wgShowExceptionDetails = true;</tt></b> " .
- "in LocalSettings.php to show detailed debugging information.</p>";
+ "at the bottom of LocalSettings.php to show detailed " .
+ "debugging information.</p>";
}
}
+ /* If wgShowExceptionDetails, return a text message with a backtrace to the error */
function getText() {
global $wgShowExceptionDetails;
if( $wgShowExceptionDetails ) {
"in LocalSettings.php to show detailed debugging information.</p>";
}
}
-
+
+ /* Return titles of this error page */
function getPageTitle() {
if ( $this->useMessageCache() ) {
return wfMsg( 'internalerror' );
return "$wgSitename error";
}
}
-
+
+ /** Return the requested URL and point to file and line number from which the
+ * exception occured
+ */
function getLogMessage() {
+ global $wgRequest;
$file = $this->getFile();
$line = $this->getLine();
$message = $this->getMessage();
- return "{$_SERVER['REQUEST_URI']} Exception from line $line of $file: $message";
+ return $wgRequest->getRequestURL() . " Exception from line $line of $file: $message";
}
-
+
+ /** Output the exception report using HTML */
function reportHTML() {
global $wgOut;
if ( $this->useOutputPage() ) {
$wgOut->enableClientCache( false );
$wgOut->redirect( '' );
$wgOut->clearHTML();
- $wgOut->addHTML( $this->getHTML() );
+ if( $hookResult = $this->runHooks( get_class( $this ) ) ) {
+ $wgOut->addHTML( $hookResult );
+ } else {
+ $wgOut->addHTML( $this->getHTML() );
+ }
$wgOut->output();
} else {
+ if( $hookResult = $this->runHooks( get_class( $this ) . "Raw" ) ) {
+ die( $hookResult );
+ }
echo $this->htmlHeader();
echo $this->getHTML();
echo $this->htmlFooter();
}
}
-
- function reportText() {
- echo $this->getText();
- }
+ /* Output a report about the exception and takes care of formatting.
+ * It will be either HTML or plain text based on $wgCommandLineMode.
+ */
function report() {
global $wgCommandLineMode;
if ( $wgCommandLineMode ) {
- $this->reportText();
+ fwrite( STDERR, $this->getText() );
} else {
$log = $this->getLogMessage();
if ( $log ) {
function htmlFooter() {
echo "</body></html>";
}
-
}
/**
* Exception class which takes an HTML error message, and does not
* produce a backtrace. Replacement for OutputPage::fatalError().
+ * @addtogroup Exception
*/
class FatalError extends MWException {
function getHTML() {
}
}
+/**
+ * @addtogroup Exception
+ */
class ErrorPageError extends MWException {
public $title, $msg;
* Report an exception to the user
*/
function wfReportException( Exception $e ) {
- if ( is_a( $e, 'MWException' ) ) {
+ if ( $e instanceof MWException ) {
try {
$e->report();
} catch ( Exception $e2 ) {
$e2->__toString() . "\n";
if ( !empty( $GLOBALS['wgCommandLineMode'] ) ) {
- echo $message;
+ fwrite( STDERR, $message );
} else {
echo nl2br( htmlspecialchars( $message ) ). "\n";
}
function wfExceptionHandler( $e ) {
global $wgFullyInitialised;
wfReportException( $e );
-
+
// Final cleanup, similar to wfErrorExit()
if ( $wgFullyInitialised ) {
try {
exit( 1 );
}
-?>
+