-<?php\r
-\r
-class MWException extends Exception\r
-{\r
- function useOutputPage() {\r
- return !empty( $GLOBALS['wgFullyInitialised'] );\r
- }\r
-\r
- function useMessageCache() {\r
- global $wgLang;\r
- return is_object( $wgLang );\r
- }\r
-\r
- function msg( $key, $fallback /*[, params...] */ ) {\r
- $args = array_slice( func_get_args(), 2 );\r
- if ( $this->useMessageCache() ) {\r
- return wfMsgReal( $key, $args );\r
- } else {\r
- return wfMsgReplaceArgs( $fallback, $args );\r
- }\r
- }\r
- \r
- function getHTML() {\r
- return '<p>' . htmlspecialchars( $this->getMessage() ) . \r
- '</p><p>Backtrace:</p><p>' . nl2br( htmlspecialchars( $this->getTraceAsString() ) ) .\r
- "</p>\n";\r
- }\r
-\r
- function getText() {\r
- return $this->getMessage() . \r
- "\nBacktrace:\n" . $this->getTraceAsString() . "\n";\r
- }\r
- \r
- function getPageTitle() {\r
- if ( $this->useMessageCache() ) {\r
- return wfMsg( 'internalerror' );\r
- } else {\r
- global $wgSitename;\r
- return "$wgSitename error";\r
- }\r
- }\r
- \r
- function reportHTML() {\r
- global $wgOut;\r
- if ( $this->useOutputPage() ) {\r
- $wgOut->setPageTitle( $this->getPageTitle() );\r
- $wgOut->setRobotpolicy( "noindex,nofollow" );\r
- $wgOut->setArticleRelated( false );\r
- $wgOut->enableClientCache( false );\r
- $wgOut->redirect( '' );\r
- $wgOut->clearHTML();\r
- $wgOut->addHTML( $this->getHTML() );\r
- $wgOut->output();\r
- } else {\r
- echo $this->htmlHeader();\r
- echo $this->getHTML();\r
- echo $this->htmlFooter();\r
- }\r
- }\r
- \r
- function reportText() {\r
- echo $this->getText();\r
- }\r
-\r
- function report() {\r
- global $wgCommandLineMode;\r
- if ( $wgCommandLineMode ) {\r
- $this->reportText();\r
- } else {\r
- $this->reportHTML();\r
- }\r
- }\r
-\r
- function htmlHeader() {\r
- global $wgLogo, $wgSitename, $wgOutputEncoding;\r
-\r
- if ( !headers_sent() ) {\r
- header( 'HTTP/1.0 500 Internal Server Error' );\r
- header( 'Content-type: text/html; charset='.$wgOutputEncoding );\r
- /* Don't cache error pages! They cause no end of trouble... */\r
- header( 'Cache-control: none' );\r
- header( 'Pragma: nocache' );\r
- }\r
- $title = $this->getPageTitle();\r
- echo "<html>\r
- <head>\r
- <title>$title</title>\r
- </head>\r
- <body>\r
- <h1><img src='$wgLogo' style='float:left;margin-right:1em' alt=''>$title</h1>\r
- ";\r
- }\r
-\r
- function htmlFooter() {\r
- echo "</body></html>";\r
- } \r
-}\r
-\r
-/**\r
- * Exception class which takes an HTML error message, and does not \r
- * produce a backtrace. Replacement for OutputPage::fatalError().\r
- */\r
-class FatalError extends MWException {\r
- function getHTML() {\r
- return $this->getMessage();\r
- }\r
-\r
- function getText() {\r
- return $this->getMessage();\r
- }\r
-}\r
-\r
-/**\r
- * Install an exception handler for MediaWiki exception types.\r
- */\r
-function wfInstallExceptionHandler() {\r
- set_exception_handler( 'wfExceptionHandler' );\r
-}\r
-\r
-/**\r
- * Report an exception to the user\r
- */\r
-function wfReportException( Exception $e ) {\r
- if ( is_a( $e, 'MWException' ) ) {\r
- try {\r
- $e->report();\r
- } catch ( Exception $e2 ) {\r
- // Exception occurred from within exception handler\r
- // Show a simpler error message for the original exception, \r
- // don't try to invoke report()\r
- $message = "MediaWiki internal error.\n\n" .\r
- "Original exception: " . $e->__toString() . \r
- "\n\nException caught inside exception handler: " . \r
- $e2->__toString() . "\n";\r
-\r
- if ( !empty( $GLOBALS['wgCommandLineMode'] ) ) {\r
- echo $message;\r
- } else {\r
- echo nl2br( htmlspecialchars( $message ) ). "\n";\r
- }\r
- }\r
- } else {\r
- echo $e->__toString();\r
- }\r
-}\r
-\r
-/**\r
- * Exception handler which simulates the appropriate catch() handling:\r
- * \r
- * try {\r
- * ...\r
- * } catch ( MWException $e ) {\r
- * \r
- * $e->report();\r
- * } catch ( Exception $e ) {\r
- * echo $e->__toString();\r
- * }\r
- */\r
-function wfExceptionHandler( $e ) {\r
- wfReportException( $e );\r
- \r
- // Final cleanup, similar to wfErrorExit()\r
- try {\r
- wfProfileClose();\r
- logProfilingData();\r
- } catch ( Exception $e ) {}\r
-\r
- // Exit value should be nonzero for the benefit of shell jobs\r
- exit( 1 );\r
-}\r
-\r
-?>\r
+<?php
+/**
+ * Exception class and handler
+ *
+ * @file
+ */
+
+/**
+ * @defgroup Exception Exception
+ */
+
+/**
+ * MediaWiki exception
+ *
+ * @ingroup Exception
+ */
+class MWException extends Exception {
+ /**
+ * Should the exception use $wgOut to output the error ?
+ * @return bool
+ */
+ function useOutputPage() {
+ return $this->useMessageCache() &&
+ !empty( $GLOBALS['wgFullyInitialised'] ) &&
+ !empty( $GLOBALS['wgOut'] ) &&
+ !empty( $GLOBALS['wgTitle'] );
+ }
+
+ /**
+ * Can the extension use wfMsg() to get i18n messages ?
+ * @return bool
+ */
+ function useMessageCache() {
+ global $wgLang;
+
+ foreach ( $this->getTrace() as $frame ) {
+ if ( isset( $frame['class'] ) && $frame['class'] === 'LocalisationCache' ) {
+ return false;
+ }
+ }
+
+ return $wgLang instanceof Language;
+ }
+
+ /**
+ * Run hook to allow extensions to modify the text of the exception
+ *
+ * @param $name String: class name of the exception
+ * @param $args Array: arguments to pass to the callback functions
+ * @return Mixed: string to output or null if any hook has been called
+ */
+ 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
+ *
+ * @param $key String: message name
+ * @param $fallback String: default message if the message cache can't be
+ * called by the exception
+ * The function also has other parameters that are arguments for the message
+ * @return String message with arguments replaced
+ */
+ function msg( $key, $fallback /*[, params...] */ ) {
+ $args = array_slice( func_get_args(), 2 );
+
+ if ( $this->useMessageCache() ) {
+ return wfMsgNoTrans( $key, $args );
+ } else {
+ return wfMsgReplaceArgs( $fallback, $args );
+ }
+ }
+
+ /**
+ * If $wgShowExceptionDetails is true, return a HTML message with a
+ * backtrace to the error, otherwise show a message to ask to set it to true
+ * to show that information.
+ *
+ * @return String html to output
+ */
+ function getHTML() {
+ global $wgShowExceptionDetails;
+
+ if ( $wgShowExceptionDetails ) {
+ return '<p>' . nl2br( htmlspecialchars( $this->getMessage() ) ) .
+ '</p><p>Backtrace:</p><p>' . nl2br( htmlspecialchars( $this->getTraceAsString() ) ) .
+ "</p>\n";
+ } else {
+ return "<p>Set <b><tt>\$wgShowExceptionDetails = true;</tt></b> " .
+ "at the bottom of LocalSettings.php to show detailed " .
+ "debugging information.</p>";
+ }
+ }
+
+ /**
+ * If $wgShowExceptionDetails is true, return a text message with a
+ * backtrace to the error.
+ */
+ function getText() {
+ global $wgShowExceptionDetails;
+
+ if ( $wgShowExceptionDetails ) {
+ return $this->getMessage() .
+ "\nBacktrace:\n" . $this->getTraceAsString() . "\n";
+ } else {
+ return "Set \$wgShowExceptionDetails = true; " .
+ "in LocalSettings.php to show detailed debugging information.\n";
+ }
+ }
+
+ /* Return titles of this error page */
+ function getPageTitle() {
+ global $wgSitename;
+ return $this->msg( 'internalerror', "$wgSitename error" );
+ }
+
+ /**
+ * Return the requested URL and point to file and line number from which the
+ * exception occured
+ *
+ * @return String
+ */
+ function getLogMessage() {
+ global $wgRequest;
+
+ $file = $this->getFile();
+ $line = $this->getLine();
+ $message = $this->getMessage();
+
+ if ( isset( $wgRequest ) ) {
+ $url = $wgRequest->getRequestURL();
+ if ( !$url ) {
+ $url = '[no URL]';
+ }
+ } else {
+ $url = '[no req]';
+ }
+
+ return "$url Exception from line $line of $file: $message";
+ }
+
+ /** Output the exception report using HTML */
+ function reportHTML() {
+ global $wgOut;
+ if ( $this->useOutputPage() ) {
+ $wgOut->setPageTitle( $this->getPageTitle() );
+ $wgOut->setRobotPolicy( "noindex,nofollow" );
+ $wgOut->setArticleRelated( false );
+ $wgOut->enableClientCache( false );
+ $wgOut->redirect( '' );
+ $wgOut->clearHTML();
+
+ $hookResult = $this->runHooks( get_class( $this ) );
+ if ( $hookResult ) {
+ $wgOut->addHTML( $hookResult );
+ } else {
+ $wgOut->addHTML( $this->getHTML() );
+ }
+
+ $wgOut->output();
+ } else {
+ $hookResult = $this->runHooks( get_class( $this ) . "Raw" );
+ if ( $hookResult ) {
+ die( $hookResult );
+ }
+
+ echo $this->getHTML();
+ die(1);
+ }
+ }
+
+ /**
+ * Output a report about the exception and takes care of formatting.
+ * It will be either HTML or plain text based on isCommandLine().
+ */
+ function report() {
+ $log = $this->getLogMessage();
+
+ if ( $log ) {
+ wfDebugLog( 'exception', $log );
+ }
+
+ if ( self::isCommandLine() ) {
+ MWExceptionHandler::printError( $this->getText() );
+ } else {
+ $this->reportHTML();
+ }
+ }
+
+ static function isCommandLine() {
+ return !empty( $GLOBALS['wgCommandLineMode'] );
+ }
+}
+
+/**
+ * Exception class which takes an HTML error message, and does not
+ * produce a backtrace. Replacement for OutputPage::fatalError().
+ * @ingroup Exception
+ */
+class FatalError extends MWException {
+ function getHTML() {
+ return $this->getMessage();
+ }
+
+ function getText() {
+ return $this->getMessage();
+ }
+}
+
+/**
+ * An error page which can definitely be safely rendered using the OutputPage
+ * @ingroup Exception
+ */
+class ErrorPageError extends MWException {
+ public $title, $msg, $params;
+
+ /**
+ * Note: these arguments are keys into wfMsg(), not text!
+ */
+ function __construct( $title, $msg, $params = null ) {
+ $this->title = $title;
+ $this->msg = $msg;
+ $this->params = $params;
+
+ if( $msg instanceof Message ){
+ parent::__construct( $msg );
+ } else {
+ parent::__construct( wfMsg( $msg ) );
+ }
+ }
+
+ function report() {
+ global $wgOut;
+
+ if ( $wgOut->getTitle() ) {
+ $wgOut->debug( 'Original title: ' . $wgOut->getTitle()->getPrefixedText() . "\n" );
+ }
+ $wgOut->setPageTitle( wfMsg( $this->title ) );
+ $wgOut->setHTMLTitle( wfMsg( 'errorpagetitle' ) );
+ $wgOut->setRobotPolicy( 'noindex,nofollow' );
+ $wgOut->setArticleRelated( false );
+ $wgOut->enableClientCache( false );
+ $wgOut->mRedirect = '';
+ $wgOut->clearHTML();
+
+ if( $this->msg instanceof Message ){
+ $wgOut->addHTML( $this->msg->parse() );
+ } else {
+ $wgOut->addWikiMsgArray( $this->msg, $this->params );
+ }
+
+ $wgOut->returnToMain();
+ $wgOut->output();
+ }
+}
+
+/**
+ * Show an error when a user tries to do something they do not have the necessary
+ * permissions for.
+ * @ingroup Exception
+ */
+class PermissionsError extends ErrorPageError {
+ public $permission;
+
+ function __construct( $permission ) {
+ global $wgLang;
+
+ $this->permission = $permission;
+
+ $groups = array_map(
+ array( 'User', 'makeGroupLinkWiki' ),
+ User::getGroupsWithPermission( $this->permission )
+ );
+
+ if( $groups ) {
+ parent::__construct(
+ 'badaccess',
+ 'badaccess-groups',
+ array(
+ $wgLang->commaList( $groups ),
+ count( $groups )
+ )
+ );
+ } else {
+ parent::__construct(
+ 'badaccess',
+ 'badaccess-group0'
+ );
+ }
+ }
+}
+
+/**
+ * Show an error when the wiki is locked/read-only and the user tries to do
+ * something that requires write access
+ * @ingroup Exception
+ */
+class ReadOnlyError extends ErrorPageError {
+ public function __construct(){
+ parent::__construct(
+ 'readonly',
+ 'readonlytext',
+ wfReadOnlyReason()
+ );
+ }
+}
+
+/**
+ * Show an error when the user hits a rate limit
+ * @ingroup Exception
+ */
+class ThrottledError extends ErrorPageError {
+ public function __construct(){
+ parent::__construct(
+ 'actionthrottled',
+ 'actionthrottledtext'
+ );
+ }
+ public function report(){
+ global $wgOut;
+ $wgOut->setStatusCode( 503 );
+ return parent::report();
+ }
+}
+
+/**
+ * Show an error when the user tries to do something whilst blocked
+ * @ingroup Exception
+ */
+class UserBlockedError extends ErrorPageError {
+ public function __construct( Block $block ){
+ global $wgLang;
+
+ $blockerUserpage = $block->getBlocker()->getUserPage();
+ $link = "[[{$blockerUserpage->getPrefixedText()}|{$blockerUserpage->getText()}]]";
+
+ $reason = $block->mReason;
+ if( $reason == '' ) {
+ $reason = wfMsg( 'blockednoreason' );
+ }
+
+ /* $ip returns who *is* being blocked, $intended contains who was meant to be blocked.
+ * This could be a username, an IP range, or a single IP. */
+ $intended = $block->getTarget();
+
+ parent::__construct(
+ 'blockedtitle',
+ $block->mAuto ? 'autoblocketext' : 'blockedtext',
+ array(
+ $link,
+ $reason,
+ wfGetIP(),
+ $block->getBlocker()->getName(),
+ $block->getId(),
+ $wgLang->formatExpiry( $block->mExpiry ),
+ $intended,
+ $wgLang->timeanddate( wfTimestamp( TS_MW, $block->mTimestamp ), true )
+ )
+ );
+ }
+}
+
+/**
+ * Handler class for MWExceptions
+ * @ingroup Exception
+ */
+class MWExceptionHandler {
+ /**
+ * Install an exception handler for MediaWiki exception types.
+ */
+ public static function installHandler() {
+ set_exception_handler( array( 'MWExceptionHandler', 'handle' ) );
+ }
+
+ /**
+ * Report an exception to the user
+ */
+ protected static function report( Exception $e ) {
+ global $wgShowExceptionDetails;
+
+ $cmdLine = MWException::isCommandLine();
+
+ if ( $e instanceof MWException ) {
+ try {
+ // Try and show the exception prettily, with the normal skin infrastructure
+ $e->report();
+ } catch ( Exception $e2 ) {
+ // Exception occurred from within exception handler
+ // Show a simpler error message for the original exception,
+ // don't try to invoke report()
+ $message = "MediaWiki internal error.\n\n";
+
+ if ( $wgShowExceptionDetails ) {
+ $message .= 'Original exception: ' . $e->__toString() . "\n\n" .
+ 'Exception caught inside exception handler: ' . $e2->__toString();
+ } else {
+ $message .= "Exception caught inside exception handler.\n\n" .
+ "Set \$wgShowExceptionDetails = true; at the bottom of LocalSettings.php " .
+ "to show detailed debugging information.";
+ }
+
+ $message .= "\n";
+
+ if ( $cmdLine ) {
+ self::printError( $message );
+ } else {
+ self::escapeEchoAndDie( $message );
+ }
+ }
+ } else {
+ $message = "Unexpected non-MediaWiki exception encountered, of type \"" . get_class( $e ) . "\"\n" .
+ $e->__toString() . "\n";
+
+ if ( $wgShowExceptionDetails ) {
+ $message .= "\n" . $e->getTraceAsString() . "\n";
+ }
+
+ if ( $cmdLine ) {
+ self::printError( $message );
+ } else {
+ self::escapeEchoAndDie( $message );
+ }
+ }
+ }
+
+ /**
+ * Print a message, if possible to STDERR.
+ * Use this in command line mode only (see isCommandLine)
+ * @param $message String Failure text
+ */
+ public static function printError( $message ) {
+ # NOTE: STDERR may not be available, especially if php-cgi is used from the command line (bug #15602).
+ # Try to produce meaningful output anyway. Using echo may corrupt output to STDOUT though.
+ if ( defined( 'STDERR' ) ) {
+ fwrite( STDERR, $message );
+ } else {
+ echo( $message );
+ }
+ }
+
+ /**
+ * Print a message after escaping it and converting newlines to <br>
+ * Use this for non-command line failures
+ * @param $message String Failure text
+ */
+ private static function escapeEchoAndDie( $message ) {
+ echo nl2br( htmlspecialchars( $message ) ) . "\n";
+ die(1);
+ }
+
+ /**
+ * Exception handler which simulates the appropriate catch() handling:
+ *
+ * try {
+ * ...
+ * } catch ( MWException $e ) {
+ * $e->report();
+ * } catch ( Exception $e ) {
+ * echo $e->__toString();
+ * }
+ */
+ public static function handle( $e ) {
+ global $wgFullyInitialised;
+
+ self::report( $e );
+
+ // Final cleanup
+ if ( $wgFullyInitialised ) {
+ try {
+ wfLogProfilingData(); // uses $wgRequest, hence the $wgFullyInitialised condition
+ } catch ( Exception $e ) {}
+ }
+
+ // Exit value should be nonzero for the benefit of shell jobs
+ exit( 1 );
+ }
+}
dépôts / lhc / web / wiklou.git / blobdiff