fix notice
[lhc/web/wiklou.git] / includes / EditPage.php
index d07630d..955dd7d 100644 (file)
@@ -1,4 +1,5 @@
 <?php
+# $Id$
 
 # Splitting edit page/HTML interface from Article...
 # The actual database and text munging is still in Article,
@@ -33,7 +34,7 @@ class EditPage {
                $this->importFormData( $wgRequest );
 
                if ( ! $this->mTitle->userCanEdit() ) {
-                       $wgOut->readOnlyPage( $this->mArticle->getContent(), true );
+                       $wgOut->readOnlyPage( $this->mArticle->getContent( true ), true );
                        return;
                }
                if ( $wgUser->isBlocked() ) {
@@ -48,11 +49,10 @@ class EditPage {
                        if( $this->save || $this->preview ) {
                                $this->editForm( "preview" );
                        } else {
-                               $wgOut->readOnlyPage( $this->mArticle->getContent() );
+                               $wgOut->readOnlyPage( $this->mArticle->getContent( true ) );
                        }
                        return;
                }
-               if( !$wgRequest->wasPosted() ) $this->save = false;
                if ( $this->save ) {
                        $this->editForm( "save" );
                } else if ( $this->preview ) {
@@ -69,21 +69,21 @@ class EditPage {
                $this->textbox1 = rtrim( $request->getText( "wpTextbox1" ) );
                $this->textbox2 = rtrim( $request->getText( "wpTextbox2" ) );
                $this->summary = trim( $request->getText( "wpSummary" ) );
-               
+
                $this->edittime = $request->getVal( 'wpEdittime' );
-               if( !preg_match( '/^\d{14}$/', $this->edittime ) ) $this->edittime = "";
-               
-               $this->save = $request->getCheck( 'wpSave' );
+               if( !preg_match( '/^\d{14}$/', $this->edittime )) $this->edittime = "";
+
                $this->preview = $request->getCheck( 'wpPreview' );
+               $this->save = $request->wasPosted() && !$this->preview;
                $this->minoredit = $request->getCheck( 'wpMinoredit' );
                $this->watchthis = $request->getCheck( 'wpWatchthis' );
-               
+
                $this->oldid = $request->getInt( 'oldid' );
-               
+
                # Section edit can come from either the form or a link
                $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
        }
-       
+
        # Since there is only one text field on the edit form,
        # pressing <enter> will cause the form to be submitted, but
        # the submit button value won't appear in the query, so we
@@ -107,10 +107,14 @@ class EditPage {
        {
                global $wgOut, $wgUser;
                global $wgLang, $wgParser, $wgTitle;
-           global $wgAllowAnonymousMinor;
+               global $wgAllowAnonymousMinor;
+               global $wgWhitelistEdit;
+               global $wgSpamRegex, $wgFilterCallback;
 
                $sk = $wgUser->getSkin();
                $isConflict = false;
+               // css / js subpages of user pages get a special treatment
+               $isCssJsSubpage = (Namespace::getUser() == $wgTitle->getNamespace() and preg_match("/\\.(css|js)$/", $wgTitle->getText() ));
 
                if(!$this->mTitle->getArticleID()) { # new article
                        $wgOut->addWikiText(wfmsg("newarticletext"));
@@ -126,6 +130,15 @@ class EditPage {
                # in the back door with a hand-edited submission URL.
 
                if ( "save" == $formtype ) {
+                       # Check for spam
+                       if ( $wgSpamRegex && preg_match( $wgSpamRegex, $this->textbox1, $matches ) ) {
+                               $this->spamPage ( $matches );
+                               return;
+                       }
+                       if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section ) ) {
+                               # Error messages or other handling should be performed by the filter function
+                               return;
+                       }
                        if ( $wgUser->isBlocked() ) {
                                $this->blockedIPpage();
                                return;
@@ -138,9 +151,9 @@ class EditPage {
                                $wgOut->readOnlyPage();
                                return;
                        }
-                       # If article is new, insert it.
 
-                       $aid = $this->mTitle->getArticleID();
+                       # If article is new, insert it.
+                       $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
                        if ( 0 == $aid ) {
                                # Don't save a new article if it's blank.
                                if ( ( "" == $this->textbox1 ) ||
@@ -151,31 +164,65 @@ class EditPage {
                                $this->mArticle->insertNewArticle( $this->textbox1, $this->summary, $this->minoredit, $this->watchthis );
                                return;
                        }
+
                        # Article exists. Check for edit conflict.
-                       # Don't check for conflict when appending a comment - this should always work
 
                        $this->mArticle->clear(); # Force reload of dates, etc.
+                       $this->mArticle->forUpdate( true ); # Lock the article
+
                        if( ( $this->section != "new" ) &&
-                               ( $this->mArticle->getTimestamp() != $this->edittime ) ) {
+                               ($this->mArticle->getTimestamp() != $this->edittime ) ) {
                                $isConflict = true;
                        }
                        $userid = $wgUser->getID();
 
+                       $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
+                               $this->section, $this->textbox1, $this->summary);
                        # Suppress edit conflict with self
 
                        if ( ( 0 != $userid ) && ( $this->mArticle->getUser() == $userid ) ) {
                                $isConflict = false;
                        } else {
                                # switch from section editing to normal editing in edit conflict
-                               # FIXME: This is confusing. In theory we should attempt to merge, finding
-                               # the equivalent section if it's unchanged and avoid the conflict.
                                if($isConflict) {
-                                       $this->section = "";
+                                       # Attempt merge
+                                       if( $this->mergeChangesInto( $text ) ){
+                                               // Successful merge! Maybe we should tell the user the good news?
+                                               $isConflict = false;
+                                       } else {
+                                               $this->section = "";
+                                               $this->textbox1 = $text;
+                                       }
                                }
                        }
                        if ( ! $isConflict ) {
-                               # All's well: update the article here
-                               if($this->mArticle->updateArticle( $this->textbox1, $this->summary, $this->minoredit, $this->watchthis, $this->section ))
+                               # All's well
+                               $sectionanchor = '';
+                               if( $this->section != '' ) {
+                                       # Try to get a section anchor from the section source, redirect to edited section if header found
+                                       # XXX: might be better to integrate this into Article::getTextOfLastEditWithSectionReplacedOrAdded
+                                       # for duplicate heading checking and maybe parsing
+                                       $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
+                                       # we can't deal with anchors, includes, html etc in the header for now, 
+                                       # headline would need to be parsed to improve this
+                                       #if($hasmatch and strlen($matches[2]) > 0 and !preg_match( "/[\\['{<>]/", $matches[2])) {
+                                       if($hasmatch and strlen($matches[2]) > 0) {
+                                               global $wgInputEncoding;
+                                               $headline = do_html_entity_decode( $matches[2], ENT_COMPAT, $wgInputEncoding );
+                                               # strip out HTML 
+                                               $headline = preg_replace( "/<.*?" . ">/","",$headline );
+                                               $headline = trim( $headline );
+                                               $sectionanchor = '#'.urlencode( str_replace(' ', '_', $headline ) );
+                                               $replacearray = array(
+                                                       '%3A' => ':',
+                                                       '%' => '.'
+                                               );
+                                               $sectionanchor = str_replace(array_keys($replacearray),array_values($replacearray),$sectionanchor);
+                                       }
+                               }
+       
+                               # update the article here
+                               if($this->mArticle->updateArticle( $text, $this->summary, $this->minoredit, $this->watchthis, '', $sectionanchor ))
                                        return;
                                else
                                        $isConflict = true;
@@ -186,12 +233,12 @@ class EditPage {
 
                if ( "initial" == $formtype ) {
                        $this->edittime = $this->mArticle->getTimestamp();
-                       $this->textbox1 = $this->mArticle->getContent(true);
+                       $this->textbox1 = $this->mArticle->getContent( true );
                        $this->summary = "";
                        $this->proxyCheck();
                }
                $wgOut->setRobotpolicy( "noindex,nofollow" );
-               
+
                # Enabled article-related sidebar, toplinks, etc.
                $wgOut->setArticleRelated( true );
 
@@ -201,7 +248,7 @@ class EditPage {
                        $wgOut->addHTML( wfMsg( "explainconflict" ) );
 
                        $this->textbox2 = $this->textbox1;
-                       $this->textbox1 = $this->mArticle->getContent(true);
+                       $this->textbox1 = $this->mArticle->getContent( true );
                        $this->edittime = $this->mArticle->getTimestamp();
                } else {
                        $s = wfMsg( "editing", $this->mTitle->getPrefixedText() );
@@ -212,6 +259,14 @@ class EditPage {
                                } else {
                                        $s.=wfMsg("sectionedit");
                                }
+                               if(!$this->preview) {
+                                       $sectitle=preg_match("/^=+(.*?)=+/mi",
+                                       $this->textbox1,
+                                       $matches);
+                                       if( !empty( $matches[1] ) ) {
+                                               $this->summary = "/* ". trim($matches[1])." */ ";
+                                       }
+                               }
                        }
                        $wgOut->setPageTitle( $s );
                        if ( $this->oldid ) {
@@ -222,8 +277,10 @@ class EditPage {
 
                if( wfReadOnly() ) {
                        $wgOut->addHTML( "<strong>" .
-                               wfMsg( "readonlywarning" ) .
-                               "</strong>" );
+                       wfMsg( "readonlywarning" ) .
+                       "</strong>" );
+               } else if ( $isCssJsSubpage and "preview" != $formtype) {
+                       $wgOut->addHTML( wfMsg( "usercssjsyoucanpreview" ));
                }
                if( $this->mTitle->isProtected() ) {
                        $wgOut->addHTML( "<strong>" . wfMsg( "protectedpagewarning" ) .
@@ -255,112 +312,160 @@ class EditPage {
                $save = wfMsg( "savearticle" );
                $prev = wfMsg( "showpreview" );
 
-               $cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedURL(),
-                 wfMsg( "cancel" ) );
-               $edithelp = $sk->makeKnownLink( wfMsg( "edithelppage" ),
-                 wfMsg( "edithelp" ) );
-               $copywarn = wfMsg( "copyrightwarning", $sk->makeKnownLink(
-                 wfMsg( "copyrightpage" ) ) );
-
-               if($wgUser->getOption("showtoolbar")) {
-                       // prepare toolbar for edit buttons
-                       $toolbar=$sk->getEditToolbar();
+               $cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedText(),
+                               wfMsg( "cancel" ) );
+               $edithelpurl = $sk->makeUrl( wfMsg( 'edithelppage' ));
+               $edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
+                       htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
+                       htmlspecialchars( wfMsg( 'newwindow' ) );
+
+               global $wgRightsText;
+               $copywarn = "<div id=\"editpage-copywarn\">\n" .
+                       wfMsg( $wgRightsText ? "copyrightwarning" : "copyrightwarning2",
+                               "[[" . wfMsg( "copyrightpage" ) . "]]",
+                               $wgRightsText ) . "\n</div>";
+
+               if( $wgUser->getOption("showtoolbar") and !$isCssJsSubpage ) {
+                       # prepare toolbar for edit buttons
+                       $toolbar = $sk->getEditToolbar();
+               } else {
+                       $toolbar = "";
                }
 
                // activate checkboxes if user wants them to be always active
                if( !$this->preview ) {
                        if( $wgUser->getOption( "watchdefault" ) ) $this->watchthis = true;
                        if( $wgUser->getOption( "minordefault" ) ) $this->minoredit = true;
-               
+
                        // activate checkbox also if user is already watching the page,
                        // require wpWatchthis to be unset so that second condition is not
                        // checked unnecessarily
                        if( !$this->watchthis && $this->mTitle->userIsWatching() ) $this->watchthis = true;
                }
-               
+
                $minoredithtml = "";
 
                if ( 0 != $wgUser->getID() || $wgAllowAnonymousMinor ) {
                        $minoredithtml =
-                       "<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked":"")." id='wpMinoredit'>".
-                       "<label for='wpMinoredit'>{$minor}</label>";
+                               "<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked='checked'":"").
+                               " accesskey='".wfMsg('accesskey-minoredit')."' id='wpMinoredit' />".
+                               "<label for='wpMinoredit' title='".wfMsg('tooltip-minoredit')."'>{$minor}</label>";
                }
-               
+
                $watchhtml = "";
-               
+
                if ( 0 != $wgUser->getID() ) {
-                       $watchhtml = "<input tabindex='4' type='checkbox' name='wpWatchthis'".($this->watchthis?" checked":"")." id='wpWatchthis'>".
-                       "<label for='wpWatchthis'>{$watchthis}</label>";
+                       $watchhtml = "<input tabindex='4' type='checkbox' name='wpWatchthis'".($this->watchthis?" checked='checked'":"").
+                               " accesskey='".wfMsg('accesskey-watch')."' id='wpWatchthis'  />".
+                               "<label for='wpWatchthis' title='".wfMsg('tooltip-watch')."'>{$watchthis}</label>";
                }
-               
-               $checkboxhtml = $minoredithtml . $watchhtml . "<br>";
+
+               $checkboxhtml = $minoredithtml . $watchhtml . "<br />";
 
                if ( "preview" == $formtype) {
-                       $previewhead="<h2>" . wfMsg( "preview" ) . "</h2>\n<p><large><center><font color=\"#cc0000\">" .
-                       wfMsg( "note" ) . wfMsg( "previewnote" ) . "</font></center></large><p>\n";
+                       $previewhead="<h2>" . wfMsg( "preview" ) . "</h2>\n<p><center><font color=\"#cc0000\">" .
+                               wfMsg( "note" ) . wfMsg( "previewnote" ) . "</font></center></p>\n";
                        if ( $isConflict ) {
                                $previewhead.="<h2>" . wfMsg( "previewconflict" ) .
-                                 "</h2>\n";
+                                       "</h2>\n";
                        }
-                       $previewtext = wfUnescapeHTML( $this->textbox1 );
 
                        $parserOptions = ParserOptions::newFromUser( $wgUser );
                        $parserOptions->setUseCategoryMagic( false );
                        $parserOptions->setEditSection( false );
                        $parserOptions->setEditSectionOnRightClick( false );
-                       $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $previewtext ) ."\n\n",
-                               $wgTitle, $parserOptions );
-                       $previewHTML = $parserOutput->mText;
-                       
-                       if($wgUser->getOption("previewontop")) {
-                               $wgOut->addHTML($previewhead);
-                               $wgOut->addHTML($previewHTML);
+
+                       # don't parse user css/js, show message about preview
+                       # XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here
+
+                       if ( $isCssJsSubpage ) {
+                               if(preg_match("/\\.css$/", $wgTitle->getText() ) ) {
+                                       $previewtext = wfMsg('usercsspreview');
+                               } else if(preg_match("/\\.js$/", $wgTitle->getText() ) ) {
+                                       $previewtext = wfMsg('userjspreview');
+                               }
+                               $parserOutput = $wgParser->parse( $previewtext , $wgTitle, $parserOptions );
+                               $wgOut->addHTML( $parserOutput->mText );
+                       } else {
+                               $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $this->textbox1 ) ."\n\n",
+                                               $wgTitle, $parserOptions );
+                               $previewHTML = $parserOutput->mText;
+
+                               if($wgUser->getOption("previewontop")) {
+                                       $wgOut->addHTML($previewhead);
+                                       $wgOut->addHTML($previewHTML);
+                               }
+                               $wgOut->addCategoryLinks($parserOutput->getCategoryLinks());
+                               $wgOut->addLanguageLinks($parserOutput->getLanguageLinks());
+                               $wgOut->addHTML( "<br style=\"clear:both;\" />\n" );
                        }
-                       $wgOut->addHTML( "<br clear=\"all\" />\n" );
                }
 
                # if this is a comment, show a subject line at the top, which is also the edit summary.
                # Otherwise, show a summary field at the bottom
                $summarytext = htmlspecialchars( $wgLang->recodeForEdit( $this->summary ) ); # FIXME
-               if( $this->section == "new" ) {
-                       $commentsubject="{$subject}: <input tabindex='1' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60'><br>";
-                       $editsummary = "";
-               } else {
-                       $commentsubject = "";
-                       $editsummary="{$summary}: <input tabindex='3' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60'><br>";
-               }
+                       if( $this->section == "new" ) {
+                               $commentsubject="{$subject}: <input tabindex='1' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
+                               $editsummary = "";
+                       } else {
+                               $commentsubject = "";
+                               $editsummary="{$summary}: <input tabindex='3' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
+                       }
 
                if( !$this->preview ) {
-                       # Don't select the edit box on preview; this interferes with seeing what's going on.
+               # Don't select the edit box on preview; this interferes with seeing what's going on.
                        $wgOut->setOnloadHandler( "document.editform.wpTextbox1.focus()" );
                }
+               # Prepare a list of templates used by this page
+               $db =& wfGetDB( DB_SLAVE );
+               $cur = $db->tableName( 'cur' );
+               $links = $db->tableName( 'links' );
+               $id = $this->mTitle->getArticleID();
+               $sql = "SELECT cur_namespace,cur_title,cur_id ".
+                       "FROM $cur,$links WHERE l_to=cur_id AND l_from={$id} and cur_namespace=".NS_TEMPLATE;
+               $res = $db->query( $sql, "EditPage::editform" );
+
+               if ( $db->numRows( $res ) ) {
+                       $templates = '<br />'. wfMsg( 'templatesused' ) . '<ul>';
+                       while ( $row = $db->fetchObject( $res ) ) {
+                               if ( $titleObj = Title::makeTitle( $row->cur_namespace, $row->cur_title ) ) {
+                                       $templates .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
+                               }
+                       }
+                       $templates .= '</ul>';
+               } else {        
+                       $templates = "";
+               }
                $wgOut->addHTML( "
 {$toolbar}
 <form id=\"editform\" name=\"editform\" method=\"post\" action=\"$action\"
 enctype=\"application/x-www-form-urlencoded\">
 {$commentsubject}
-<textarea tabindex='2' name=\"wpTextbox1\" rows='{$rows}'
-cols='{$cols}'{$ew} wrap=\"virtual\">" .
+<textarea tabindex='1' accesskey=\",\" name=\"wpTextbox1\" rows='{$rows}'
+cols='{$cols}'{$ew}>" .
 htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
 "
 </textarea>
-<br>{$editsummary}
+<br />{$editsummary}
 {$checkboxhtml}
-<input tabindex='5' type='submit' value=\"{$save}\" name=\"wpSave\" accesskey=\"s\">
-<input tabindex='6' type='submit' value=\"{$prev}\" name=\"wpPreview\" accesskey=\"p\">
-<em>{$cancel}</em> | <em>{$edithelp}</em>
-<br><br>{$copywarn}
-<input type=hidden value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\">
-<input type=hidden value=\"{$this->edittime}\" name=\"wpEdittime\">\n" );
+<input tabindex='5' id='wpSave' type='submit' value=\"{$save}\" name=\"wpSave\" accesskey=\"".wfMsg('accesskey-save')."\"".
+" title=\"".wfMsg('tooltip-save')."\"/>
+<input tabindex='6' id='wpPreview' type='submit' value=\"{$prev}\" name=\"wpPreview\" accesskey=\"".wfMsg('accesskey-preview')."\"".
+" title=\"".wfMsg('tooltip-preview')."\"/>
+<em>{$cancel}</em> | <em>{$edithelp}</em>{$templates}" );
+               $wgOut->addWikiText( $copywarn );
+               $wgOut->addHTML( "
+<input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
+<input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n" );
 
                if ( $isConflict ) {
                        $wgOut->addHTML( "<h2>" . wfMsg( "yourdiff" ) . "</h2>\n" );
-                       DifferenceEngine::showDiff( $wpTextbox2, $wpTextbox1,
+                       DifferenceEngine::showDiff( $this->textbox2, $this->textbox1,
                          wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
 
                        $wgOut->addHTML( "<h2>" . wfMsg( "yourtext" ) . "</h2>
-<textarea tabindex=6 name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
-. htmlspecialchars( $wgLang->recodeForEdit( $wpTextbox2 ) ) .
+<textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
+. htmlspecialchars( $wgLang->recodeForEdit( $this->textbox2 ) ) .
 "
 </textarea>" );
                }
@@ -369,7 +474,6 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                        $wgOut->addHTML($previewhead);
                        $wgOut->addHTML($previewHTML);
                }
-
        }
 
        function blockedIPpage()
@@ -382,13 +486,17 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
 
                $id = $wgUser->blockedBy();
                $reason = $wgUser->blockedFor();
-                $ip = $wgIP;
+               $ip = $wgIP;
                
-                $name = User::whoIs( $id );
+               if ( is_numeric( $id ) ) {
+                       $name = User::whoIs( $id );
+               } else {
+                       $name = $id;
+               }
                $link = "[[" . $wgLang->getNsText( Namespace::getUser() ) .
                  ":{$name}|{$name}]]";
 
-               $wgOut->addWikiText( wfMsg( "blockedtext", $link, $reason, $ip ) );
+               $wgOut->addWikiText( wfMsg( "blockedtext", $link, $reason, $ip, $name ) );
                $wgOut->returnToMain( false );
        }
 
@@ -406,6 +514,20 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                $wgOut->returnToMain( false );
        }
 
+       function spamPage ( $matches = array() )
+       {
+               global $wgOut;
+               $wgOut->setPageTitle( wfMsg( "spamprotectiontitle" ) );
+               $wgOut->setRobotpolicy( "noindex,nofollow" );
+               $wgOut->setArticleRelated( false );
+
+               $wgOut->addWikiText( wfMsg( 'spamprotectiontext' ) );
+               if ( isset ( $matches[0] ) ) {
+                       $wgOut->addWikiText( wfMsg( 'spamprotectionmatch', "<nowiki>{$matches[0]}</nowiki>" ) );
+               }
+               $wgOut->returnToMain( false );
+       }
+
        # Forks processes to scan the originating IP for an open proxy server
        # MemCached can be used to skip IPs that have already been scanned
        function proxyCheck()
@@ -430,14 +552,16 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                # Fork the processes
                if ( !$skip ) {
                        $title = Title::makeTitle( NS_SPECIAL, "Blockme" );
-                       $url = $title->getFullURL();
+                       $iphash = md5( $wgIP . $wgProxyKey );
+                       $url = $title->getFullURL( "ip=$iphash" );
+
                        foreach ( $wgProxyPorts as $port ) {
                                $params = implode( " ", array(
-                                 escapeshellarg( $wgProxyScriptPath ),
-                                 escapeshellarg( $wgIP ),
-                                 escapeshellarg( $port ),
-                                 escapeshellarg( $url )
-                               ));
+                                                       escapeshellarg( $wgProxyScriptPath ),
+                                                       escapeshellarg( $wgIP ),
+                                                       escapeshellarg( $port ),
+                                                       escapeshellarg( $url )
+                                                       ));
                                exec( "php $params &>/dev/null &" );
                        }
                        # Set MemCached key
@@ -446,6 +570,31 @@ htmlspecialchars( $wgLang->recodeForEdit( $this->textbox1 ) ) .
                        }
                }
        }
+
+       /* private */ function mergeChangesInto( &$text ){
+               $fname = 'EditPage::mergeChangesInto';
+               $oldDate = $this->edittime;
+               $dbw =& wfGetDB( DB_MASTER );
+               $obj = $dbw->getArray( 'cur', array( 'cur_text' ), array( 'cur_id' => $this->mTitle->getArticleID() ), 
+                       $fname, 'FOR UPDATE' );
+
+               $yourtext = $obj->cur_text;
+               $ns = $this->mTitle->getNamespace();
+               $title = $this->mTitle->getDBkey();
+               $obj = $dbw->getArray( 'old', 
+                       array( 'old_text','old_flags'), 
+                       array( 'old_namespace' => $ns, 'old_title' => $title, 
+                               'old_timestamp' => $dbw->timestamp($oldDate)),
+                       $fname );
+               $oldText = Article::getRevisionText( $obj );
+               
+               if(wfMerge($oldText, $text, $yourtext, $result)){
+                       $text = $result;
+                       return true;
+               } else {
+                       return false;
+               }
+       }
 }
 
 ?>