When reading from meta's interwiki map, *.wikimedia.org should be set as local (e...
[lhc/web/wiklou.git] / includes / EditPage.php
index 1b5f4a0..3a4d761 100644 (file)
@@ -53,7 +53,7 @@ class EditPage {
                if ( !$wgUseMetadataEdit ) return ;
                if ( $wgMetadataWhitelist == '' ) return ;
                $s = '' ;
-               $t = $this->mArticle->getContent ( true ) ;
+               $t = $this->mArticle->getContent();
 
                # MISSING : <nowiki> filtering
 
@@ -90,7 +90,7 @@ class EditPage {
                $sat = array () ; # stand-alone-templates; must be lowercase
                $wl_title = Title::newFromText ( $wgMetadataWhitelist ) ;
                $wl_article = new Article ( $wl_title ) ;
-               $wl = explode ( "\n" , $wl_article->getContent(true) ) ;
+               $wl = explode ( "\n" , $wl_article->getContent() ) ;
                foreach ( $wl AS $x )
                {
                        $isentry = false ;
@@ -142,10 +142,10 @@ class EditPage {
        }
 
        /**
-        * This is the function that gets called for "action=edit". It 
-        * sets up various member variables, then passes execution to 
+        * This is the function that gets called for "action=edit". It
+        * sets up various member variables, then passes execution to
         * another function, usually showEditForm()
-        * 
+        *
         * The edit form is self-submitting, so that when things like
         * preview and edit conflicts occur, we get the same form back
         * with the extra stuff added.  Only when the final submission
@@ -154,10 +154,10 @@ class EditPage {
         */
        function edit() {
                global $wgOut, $wgUser, $wgRequest, $wgTitle;
-               
+
                if ( ! wfRunHooks( 'AlternateEdit', array( &$this  ) ) )
                        return;
-               
+
                $fname = 'EditPage::edit';
                wfProfileIn( $fname );
                wfDebug( "$fname: enter\n" );
@@ -176,7 +176,7 @@ class EditPage {
 
                if ( ! $this->mTitle->userCanEdit() ) {
                        wfDebug( "$fname: user can't edit\n" );
-                       $wgOut->readOnlyPage( $this->mArticle->getContent( true ), true );
+                       $wgOut->readOnlyPage( $this->mArticle->getContent(), true );
                        wfProfileOut( $fname );
                        return;
                }
@@ -185,7 +185,7 @@ class EditPage {
                        # When previewing, don't check blocked state - will get caught at save time.
                        # Also, check when starting edition is done against slave to improve performance.
                        wfDebug( "$fname: user is blocked\n" );
-                       $this->blockedIPpage();
+                       $wgOut->blockedPage();
                        wfProfileOut( $fname );
                        return;
                }
@@ -197,11 +197,17 @@ class EditPage {
                                return;
                        } else {
                                wfDebug( "$fname: read-only page\n" );
-                               $wgOut->readOnlyPage( $this->mArticle->getContent( true ), true );
+                               $wgOut->readOnlyPage( $this->mArticle->getContent(), true );
                                wfProfileOut( $fname );
                                return;
                        }
                }
+               if ( !$this->mTitle->userCan( 'create' ) && !$this->mTitle->exists() ) {
+                       wfDebug( "$fname: no create permission\n" );
+                       $this->noCreatePermission();
+                       wfProfileOut( $fname );
+                       return;
+               }
                if ( wfReadOnly() ) {
                        wfDebug( "$fname: read-only mode is engaged\n" );
                        if( $this->save || $this->preview ) {
@@ -209,7 +215,7 @@ class EditPage {
                        } else if ( $this->diff ) {
                                $this->formtype = 'diff';
                        } else {
-                               $wgOut->readOnlyPage( $this->mArticle->getContent( true ) );
+                               $wgOut->readOnlyPage( $this->mArticle->getContent() );
                                wfProfileOut( $fname );
                                return;
                        }
@@ -232,11 +238,11 @@ class EditPage {
                }
 
                wfProfileIn( "$fname-business-end" );
-               
+
                $this->isConflict = false;
                // css / js subpages of user pages get a special treatment
                $this->isCssJsSubpage = $wgTitle->isCssJsSubpage();
-               
+
                /* Notice that we can't use isDeleted, because it returns true if article is ever deleted
                 * no matter it's current state
                 */
@@ -257,7 +263,7 @@ class EditPage {
                                }
                        }
                }
-               
+
                if(!$this->mTitle->getArticleID() && ('initial' == $this->formtype || $this->firsttime )) { # new article
                        $this->showIntro();
                }
@@ -277,7 +283,7 @@ class EditPage {
                                return;
                        }
                }
-               
+
                # First time through: get contents, set time for conflict
                # checking, etc.
                if ( 'initial' == $this->formtype || $this->firsttime ) {
@@ -297,9 +303,10 @@ class EditPage {
         */
        function previewOnOpen() {
                global $wgUser;
-               return $wgUser->getOption( 'previewonfirst' ) ||
-                       ( $this->mTitle->getNamespace() == NS_CATEGORY &&
-                               !$this->mTitle->exists() );
+               return $this->section != 'new' &&
+                       ( ( $wgUser->getOption( 'previewonfirst' ) && $this->mTitle->exists() ) ||
+                               ( $this->mTitle->getNamespace() == NS_CATEGORY &&
+                                       !$this->mTitle->exists() ) );
        }
 
        /**
@@ -333,7 +340,7 @@ class EditPage {
                        } else {
                                $this->preview = $request->getCheck( 'wpPreview' );
                                $this->diff = $request->getCheck( 'wpDiff' );
-                               
+
                                if( !$this->preview ) {
                                        if ( $this->tokenOk( $request ) ) {
                                                # Some browsers will not report any submit button
@@ -357,7 +364,7 @@ class EditPage {
                        if( !preg_match( '/^\d{14}$/', $this->starttime )) {
                                $this->starttime = null;
                        }
-       
+
                        $this->recreate  = $request->getCheck( 'wpRecreate' );
 
                        $this->minoredit = $request->getCheck( 'wpMinoredit' );
@@ -386,7 +393,7 @@ class EditPage {
 
                $this->live = $request->getCheck( 'live' );
                $this->editintro = $request->getText( 'editintro' );
-               
+
                wfProfileOut( $fname );
        }
 
@@ -423,7 +430,7 @@ class EditPage {
                        }
                }
                if($addstandardintro) {
-                       if ( $wgUser->isLoggedIn() ) 
+                       if ( $wgUser->isLoggedIn() )
                                $wgOut->addWikiText( wfMsg( 'newarticletext' ) );
                        else
                                $wgOut->addWikiText( wfMsg( 'newarticletextanon' ) );
@@ -436,7 +443,7 @@ class EditPage {
         */
        function attemptSave() {
                global $wgSpamRegex, $wgFilterCallback, $wgUser, $wgOut;
-               
+
                $fname = 'EditPage::attemptSave';
                wfProfileIn( $fname );
                wfProfileIn( "$fname-checks" );
@@ -507,12 +514,20 @@ class EditPage {
                        wfProfileOut( $fname );
                        return true;
                }
-               
+
                wfProfileOut( "$fname-checks" );
-               
+
                # If article is new, insert it.
                $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
                if ( 0 == $aid ) {
+                       // Late check for create permission, just in case *PARANOIA*
+                       if ( !$this->mTitle->userCan( 'create' ) ) {
+                               wfDebug( "$fname: no create permission\n" );
+                               $this->noCreatePermission();
+                               wfProfileOut( $fname );
+                               return;
+                       }
+
                        # Don't save a new article if it's blank.
                        if ( ( '' == $this->textbox1 ) ) {
                                        $wgOut->redirect( $this->mTitle->getFullURL() );
@@ -523,7 +538,7 @@ class EditPage {
                        $isComment=($this->section=='new');
                        $this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
                                $this->minoredit, $this->watchthis, false, $isComment);
-                       
+
                        wfProfileOut( $fname );
                        return false;
                }
@@ -533,10 +548,21 @@ class EditPage {
                $this->mArticle->clear(); # Force reload of dates, etc.
                $this->mArticle->forUpdate( true ); # Lock the article
 
-               if( ( $this->section != 'new' ) &&
-                       ($this->mArticle->getTimestamp() != $this->edittime ) ) 
-               {
+               if( $this->mArticle->getTimestamp() != $this->edittime ) {
                        $this->isConflict = true;
+                       if( $this->section == 'new' ) {
+                               if( $this->mArticle->getUserText() == $wgUser->getName() &&
+                                       $this->mArticle->getComment() == $this->summary ) {
+                                       // Probably a duplicate submission of a new comment.
+                                       // This can happen when squid resends a request after
+                                       // a timeout but the first one actually went through.
+                                       wfDebug( "EditPage::editForm duplicate new section submission; trigger edit conflict!\n" );
+                               } else {
+                                       // New comment; suppress conflict.
+                                       $this->isConflict = false;
+                                       wfDebug( "EditPage::editForm conflict suppressed; new section\n" );
+                               }
+                       }
                }
                $userid = $wgUser->getID();
 
@@ -574,12 +600,12 @@ class EditPage {
                                }
                        }
                }
-               
+
                if ( $this->isConflict ) {
                        wfProfileOut( $fname );
                        return true;
                }
-               
+
                # All's well
                wfProfileIn( "$fname-sectionanchor" );
                $sectionanchor = '';
@@ -625,8 +651,10 @@ class EditPage {
         */
        function initialiseForm() {
                $this->edittime = $this->mArticle->getTimestamp();
-               $this->textbox1 = $this->mArticle->getContent( true );
+               $this->textbox1 = $this->mArticle->getContent();
                $this->summary = '';
+               if ( !$this->mArticle->exists() && $this->mArticle->mTitle->getNamespace() == NS_MEDIAWIKI )
+                       $this->textbox1 = wfMsgWeirdKey ( $this->mArticle->mTitle->getText() ) ;
                wfProxyCheck();
        }
 
@@ -637,13 +665,15 @@ class EditPage {
         *                      near the top, for captchas and the like.
         */
        function showEditForm( $formCallback=null ) {
-               global $wgOut, $wgUser, $wgAllowAnonymousMinor, $wgLang, $wgContLang;
+               global $wgOut, $wgUser, $wgLang, $wgContLang;
 
                $fname = 'EditPage::showEditForm';
                wfProfileIn( $fname );
 
                $sk =& $wgUser->getSkin();
-               
+
+               wfRunHooks( 'EditPage::showEditForm:initial', array( &$this ) ) ;
+
                $wgOut->setRobotpolicy( 'noindex,nofollow' );
 
                # Enabled article-related sidebar, toplinks, etc.
@@ -655,7 +685,7 @@ class EditPage {
                        $wgOut->addWikiText( wfMsg( 'explainconflict' ) );
 
                        $this->textbox2 = $this->textbox1;
-                       $this->textbox1 = $this->mArticle->getContent( true );
+                       $this->textbox1 = $this->mArticle->getContent();
                        $this->edittime = $this->mArticle->getTimestamp();
                } else {
 
@@ -671,20 +701,19 @@ class EditPage {
                                                if( !empty( $matches[2] ) ) {
                                                        $this->summary = "/* ". trim($matches[2])." */ ";
                                                }
-                                       }                                       
+                                       }
                                }
                        } else {
                                $s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
                        }
                        $wgOut->setPageTitle( $s );
                        if ( !$this->checkUnicodeCompliantBrowser() ) {
-                               $this->mArticle->setOldSubtitle();
                                $wgOut->addWikiText( wfMsg( 'nonunicodebrowser') );
                        }
                        if ( isset( $this->mArticle )
                             && isset( $this->mArticle->mRevision )
                             && !$this->mArticle->mRevision->isCurrent() ) {
-                               $this->mArticle->setOldSubtitle();
+                               $this->mArticle->setOldSubtitle( $this->mArticle->mRevision->getId() );
                                $wgOut->addWikiText( wfMsg( 'editingold' ) );
                        }
                }
@@ -755,7 +784,7 @@ class EditPage {
 
                $minoredithtml = '';
 
-               if ( $wgUser->isLoggedIn() || $wgAllowAnonymousMinor ) {
+               if ( $wgUser->isAllowed('minoredit') ) {
                        $minoredithtml =
                                "<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked='checked'":"").
                                " accesskey='".wfMsg('accesskey-minoredit')."' id='wpMinoredit' />".
@@ -799,7 +828,7 @@ class EditPage {
                if( !$this->preview && !$this->diff ) {
                        $wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
                }
-               $templates = $this->getTemplatesUsed();
+               $templates = $this->formatTemplates();
 
                global $wgLivePreview;
                if ( $wgLivePreview ) {
@@ -813,7 +842,7 @@ class EditPage {
                        $metadata = $this->mMetaData ;
                        $metadata = htmlspecialchars( $wgContLang->recodeForEdit( $metadata ) ) ;
                        $helppage = Title::newFromText( wfMsg( "metadata_page" ) ) ;
-                       $top = wfMsg( 'metadata', $helppage->getInternalURL() );
+                       $top = wfMsg( 'metadata', $helppage->getLocalURL() );
                        $metadata = $top . "<textarea name='metadata' rows='3' cols='{$cols}'{$ew}>{$metadata}</textarea>" ;
                }
                else $metadata = "" ;
@@ -848,6 +877,14 @@ END
                if( is_callable( $formCallback ) ) {
                        call_user_func_array( $formCallback, array( &$wgOut ) );
                }
+
+               // Put these up at the top to ensure they aren't lost on early form submission
+               $wgOut->addHTML( "
+<input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
+<input type='hidden' value=\"{$this->starttime}\" name=\"wpStarttime\" />\n
+<input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n
+<input type='hidden' value=\"{$this->scrolltop}\" name=\"wpScrolltop\" id=\"wpScrolltop\" />\n" );
+
                $wgOut->addHTML( <<<END
 $recreate
 {$commentsubject}
@@ -856,11 +893,20 @@ cols='{$cols}'{$ew} $hidden>
 END
 . htmlspecialchars( $this->safeUnicodeOutput( $this->textbox1 ) ) .
 "
-</textarea><br />
+</textarea>
+
+               " );
+
+               $wgOut->addWikiText( $copywarn );
+
+               $wgOut->addHTML( "
 {$metadata}
 {$editsummary}
 {$checkboxhtml}
 {$safemodehtml}
+");
+
+               $wgOut->addHTML( "
 <div class='editButtons'>
 <input tabindex='5' id='wpSave' type='submit' value=\"{$save}\" name=\"wpSave\" accesskey=\"".wfMsg('accesskey-save')."\"".
 " title=\"".wfMsg('tooltip-save')."\"/>
@@ -869,16 +915,15 @@ END
 <input tabindex='7' id='wpDiff' type='submit' value=\"{$diff}\" name=\"wpDiff\" accesskey=\"".wfMsg('accesskey-diff')."\"".
 " title=\"".wfMsg('tooltip-diff')."\"/> <span class='editHelp'>{$cancel} | {$edithelp}</span></div>
 </div>
+" );
+
+               $wgOut->addWikiText( wfMsgForContent( 'edittools' ) );
+
+               $wgOut->addHTML( "
 <div class='templatesUsed'>
 {$templates}
 </div>
 " );
-               $wgOut->addWikiText( $copywarn );
-               $wgOut->addHTML( "
-<input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
-<input type='hidden' value=\"{$this->starttime}\" name=\"wpStarttime\" />\n
-<input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n
-<input type='hidden' value=\"{$this->scrolltop}\" name=\"wpScrolltop\" id=\"wpScrolltop\" />\n" );
 
                if ( $wgUser->isLoggedIn() ) {
                        /**
@@ -897,8 +942,10 @@ END
                if ( $this->isConflict ) {
                        require_once( "DifferenceEngine.php" );
                        $wgOut->addWikiText( '==' . wfMsg( "yourdiff" ) . '==' );
-                       DifferenceEngine::showDiff( $this->textbox2, $this->textbox1,
-                         wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
+
+                       $de = new DifferenceEngine( $this->mTitle );
+                       $de->setText( $this->textbox2, $this->textbox1 );
+                       $de->showDiff( wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
 
                        $wgOut->addWikiText( '==' . wfMsg( "yourtext" ) . '==' );
                        $wgOut->addHTML( "<textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
@@ -915,7 +962,7 @@ END
 
                wfProfileOut( $fname );
        }
-       
+
        /**
         * Append preview output to $wgOut.
         * Includes category rendering if this is a category page.
@@ -939,37 +986,43 @@ END
        /**
         * Prepare a list of templates used by this page. Returns HTML.
         */
-       function getTemplatesUsed() {
+       function formatTemplates() {
                global $wgUser;
 
-               $fname = 'EditPage::getTemplatesUsed';
+               $fname = 'EditPage::formatTemplates';
                wfProfileIn( $fname );
 
                $sk =& $wgUser->getSkin();
 
-               $templates = '';
-               $articleTemplates = $this->mArticle->getUsedTemplates();
-               if ( count( $articleTemplates ) > 0 ) {
-                       $templates = '<br />'. wfMsg( 'templatesused' ) . '<ul>';
-                       foreach ( $articleTemplates as $tpl ) {
-                               if ( $titleObj = Title::makeTitle( NS_TEMPLATE, $tpl ) ) {
-                                       $templates .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
-                               }
+               $outText = '';
+               $templates = $this->mArticle->getUsedTemplates();
+               if ( count( $templates ) > 0 ) {
+                       # Do a batch existence check
+                       $batch = new LinkBatch;
+                       foreach( $templates as $title ) {
+                               $batch->addObj( $title );
                        }
-                       $templates .= '</ul>';
+                       $batch->execute();
+
+                       # Construct the HTML
+                       $outText = '<br />'. wfMsg( 'templatesused' ) . '<ul>';
+                       foreach ( $templates as $titleObj ) {
+                               $outText .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
+                       }
+                       $outText .= '</ul>';
                }
                wfProfileOut( $fname );
-               return $templates;
+               return $outText;
        }
 
        /**
         * Live Preview lets us fetch rendered preview page content and
         * add it to the page without refreshing the whole page.
-        * If not supported by the browser it will fall through to the normal form 
+        * If not supported by the browser it will fall through to the normal form
         * submission method.
-        * 
-        * This function outputs a script tag to support live preview, and 
-        * returns an onclick handler which should be added to the attributes 
+        *
+        * This function outputs a script tag to support live preview, and
+        * returns an onclick handler which should be added to the attributes
         * of the preview button
         */
        function doLivePreviewScript() {
@@ -983,7 +1036,7 @@ END
                        'editform.wpTextbox1.value,' .
                        htmlspecialchars( '"' . $liveAction . '"' ) . ')"';
        }
-       
+
        function getLastDelete() {
                $dbr =& wfGetDB( DB_SLAVE );
                $fname = 'EditPage::getLastDelete';
@@ -1020,7 +1073,7 @@ END
         * @todo document
         */
        function getPreviewText() {
-               global $wgOut, $wgUser, $wgTitle, $wgParser, $wgAllowDiffPreview, $wgEnableDiffPreviewPreference;
+               global $wgOut, $wgUser, $wgTitle, $wgParser;
 
                $fname = 'EditPage::getPreviewText';
                wfProfileIn( $fname );
@@ -1055,26 +1108,24 @@ END
                } else {
                        # if user want to see preview when he edit an article
                        if( $wgUser->getOption('previewonfirst') and ($this->textbox1 == '')) {
-                               $this->textbox1 = $this->mArticle->getContent(true);
+                               $this->textbox1 = $this->mArticle->getContent();
                        }
 
                        $toparse = $this->textbox1;
-                       
+
                        # If we're adding a comment, we need to show the
                        # summary as the headline
                        if($this->section=="new" && $this->summary!="") {
                                $toparse="== {$this->summary} ==\n\n".$toparse;
                        }
-                       
+
                        if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData ;
 
                        $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ) ."\n\n",
                                        $wgTitle, $parserOptions );
 
-                       $previewHTML = $parserOutput->mText;
-
-                       $wgOut->addCategoryLinks($parserOutput->getCategoryLinks());
-                       $wgOut->addLanguageLinks($parserOutput->getLanguageLinks());
+                       $previewHTML = $parserOutput->getText();
+                       $wgOut->addParserOutputNoText( $parserOutput );
 
                        wfProfileOut( $fname );
                        return $previewhead . $previewHTML;
@@ -1085,26 +1136,8 @@ END
         * @todo document
         */
        function blockedIPpage() {
-               global $wgOut, $wgUser, $wgContLang;
-
-               $wgOut->setPageTitle( wfMsg( 'blockedtitle' ) );
-               $wgOut->setRobotpolicy( 'noindex,nofollow' );
-               $wgOut->setArticleRelated( false );
-
-               $id = $wgUser->blockedBy();
-               $reason = $wgUser->blockedFor();
-               $ip = wfGetIP();
-
-               if ( is_numeric( $id ) ) {
-                       $name = User::whoIs( $id );
-               } else {
-                       $name = $id;
-               }
-               $link = '[[' . $wgContLang->getNsText( NS_USER ) .
-                 ":{$name}|{$name}]]";
-
-               $wgOut->addWikiText( wfMsg( 'blockedtext', $link, $reason, $ip, $name ) );
-               $wgOut->returnToMain( false );
+               global $wgOut;
+               $wgOut->blockedPage();
        }
 
        /**
@@ -1226,7 +1259,7 @@ END
         * The necessary JavaScript code can be found in style/wikibits.js.
         */
        function getEditToolbar() {
-               global $wgStylePath, $wgLang, $wgMimeType, $wgJsMimeType;
+               global $wgStylePath, $wgContLang, $wgJsMimeType;
 
                /**
                 * toolarray an array of arrays which each include the filename of
@@ -1276,14 +1309,14 @@ END
                                        'key'   =>      'H'
                                ),
                        array(  'image'=>'button_image.png',
-                                       'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
+                                       'open'  =>      '[['.$wgContLang->getNsText(NS_IMAGE).":",
                                        'close' =>      ']]',
                                        'sample'=>      wfMsg('image_sample'),
                                        'tip'   =>      wfMsg('image_tip'),
                                        'key'   =>      'D'
                                ),
                        array(  'image' =>'button_media.png',
-                                       'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
+                                       'open'  =>      '[['.$wgContLang->getNsText(NS_MEDIA).':',
                                        'close' =>      ']]',
                                        'sample'=>      wfMsg('media_sample'),
                                        'tip'   =>      wfMsg('media_tip'),
@@ -1384,8 +1417,12 @@ END
                        $this->section, $this->textbox1, $this->summary, $this->edittime );
                $oldtitle = wfMsg( 'currentrev' );
                $newtitle = wfMsg( 'yourtext' );
-               if ( $oldtext != wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' ) || $newtext != '' ) {
-                       $difftext = DifferenceEngine::getDiff( $oldtext, $newtext, $oldtitle, $newtitle );
+               if ( $oldtext !== false  || $newtext != '' ) {
+                       $de = new DifferenceEngine( $this->mTitle );
+                       $de->setText( $oldtext, $newtext );
+                       $difftext = $de->getDiff( $oldtitle, $newtitle );
+               } else {
+                       $difftext = '';
                }
 
                return '<div id="wikiDiff">' . $difftext . '</div>';
@@ -1406,7 +1443,7 @@ END
                        ? $this->unmakesafe( $text )
                        : $text;
        }
-       
+
        /**
         * Filter an output field through a Unicode armoring process if it is
         * going to an old browser with known broken Unicode editing issues.
@@ -1422,7 +1459,7 @@ END
                        ? $codedText
                        : $this->makesafe( $codedText );
        }
-       
+
        /**
         * A number of web browsers are known to corrupt non-ASCII characters
         * in a UTF-8 text editing environment. To protect against this,
@@ -1439,7 +1476,7 @@ END
        function makesafe( $invalue ) {
                // Armor existing references for reversability.
                $invalue = strtr( $invalue, array( "&#x" => "&#x0" ) );
-               
+
                $bytesleft = 0;
                $result = "";
                $working = 0;
@@ -1468,7 +1505,7 @@ END
                }
                return $result;
        }
-       
+
        /**
         * Reverse the previously applied transliteration of non-ASCII characters
         * back to UTF-8. Used to protect data from corruption by broken web browsers
@@ -1488,11 +1525,11 @@ END
                                        $hexstring .= $invalue{$i};
                                        $i++;
                                } while( ctype_xdigit( $invalue{$i} ) && ( $i < strlen( $invalue ) ) );
-                               
+
                                // Do some sanity checks. These aren't needed for reversability,
-                               // but should help keep the breakage down if the editor 
+                               // but should help keep the breakage down if the editor
                                // breaks one of the entities whilst editing.
-                               if ((substr($invalue,$i,1)==";") and (strlen($hexstring) <= 6)) { 
+                               if ((substr($invalue,$i,1)==";") and (strlen($hexstring) <= 6)) {
                                        $codepoint = hexdec($hexstring);
                                        $result .= codepointToUtf8( $codepoint );
                                } else {
@@ -1505,7 +1542,12 @@ END
                // reverse the transform that we made for reversability reasons.
                return strtr( $result, array( "&#x0" => "&#x" ) );
        }
-       
+
+       function noCreatePermission() {
+               global $wgOut;
+               $wgOut->setPageTitle( wfMsg( 'nocreatetitle' ) );
+               $wgOut->addWikiText( wfMsg( 'nocreatetext' ) );
+       }
 
 }