Link the credits in Special:Version in all languages
[lhc/web/wiklou.git] / includes / specials / SpecialExport.php
index 8968ec2..b4294b3 100644 (file)
@@ -38,9 +38,9 @@ class SpecialExport extends SpecialPage {
        }
 
        public function execute( $par ) {
-               global $wgOut, $wgRequest, $wgSitename, $wgExportAllowListContributors;
+               global $wgSitename, $wgExportAllowListContributors, $wgExportFromNamespaces;
                global $wgExportAllowHistory, $wgExportMaxHistory, $wgExportMaxLinkDepth;
-               global $wgExportFromNamespaces;
+               global $wgExportAllowAll;
 
                $this->setHeaders();
                $this->outputHeader();
@@ -48,16 +48,18 @@ class SpecialExport extends SpecialPage {
                // Set some variables
                $this->curonly = true;
                $this->doExport = false;
-               $this->templates = $wgRequest->getCheck( 'templates' );
-               $this->images = $wgRequest->getCheck( 'images' ); // Doesn't do anything yet
+               $request = $this->getRequest();
+               $this->templates = $request->getCheck( 'templates' );
+               $this->images = $request->getCheck( 'images' ); // Doesn't do anything yet
                $this->pageLinkDepth = $this->validateLinkDepth(
-                       $wgRequest->getIntOrNull( 'pagelink-depth' )
+                       $request->getIntOrNull( 'pagelink-depth' )
                );
                $nsindex = '';
+               $exportall = false;
 
-               if ( $wgRequest->getCheck( 'addcat' ) ) {
-                       $page = $wgRequest->getText( 'pages' );
-                       $catname = $wgRequest->getText( 'catname' );
+               if ( $request->getCheck( 'addcat' ) ) {
+                       $page = $request->getText( 'pages' );
+                       $catname = $request->getText( 'catname' );
 
                        if ( $catname !== '' && $catname !== null && $catname !== false ) {
                                $t = Title::makeTitleSafe( NS_MAIN, $catname );
@@ -74,9 +76,9 @@ class SpecialExport extends SpecialPage {
                                }
                        }
                }
-               elseif( $wgRequest->getCheck( 'addns' ) && $wgExportFromNamespaces ) {
-                       $page = $wgRequest->getText( 'pages' );
-                       $nsindex = $wgRequest->getText( 'nsindex', '' );
+               elseif( $request->getCheck( 'addns' ) && $wgExportFromNamespaces ) {
+                       $page = $request->getText( 'pages' );
+                       $nsindex = $request->getText( 'nsindex', '' );
 
                        if ( strval( $nsindex ) !== ''  ) {
                                /**
@@ -88,10 +90,21 @@ class SpecialExport extends SpecialPage {
                                }
                        }
                }
-               elseif( $wgRequest->wasPosted() && $par == '' ) {
-                       $page = $wgRequest->getText( 'pages' );
-                       $this->curonly = $wgRequest->getCheck( 'curonly' );
-                       $rawOffset = $wgRequest->getVal( 'offset' );
+               elseif( $request->getCheck( 'exportall' ) && $wgExportAllowAll ) {
+                       $this->doExport = true;
+                       $exportall = true;
+
+                       /* Although $page and $history are not used later on, we
+                       nevertheless set them to avoid that PHP notices about using
+                       undefined variables foul up our XML output (see call to
+                       doExport(...) further down) */
+                       $page = '';
+                       $history = '';
+               }
+               elseif( $request->wasPosted() && $par == '' ) {
+                       $page = $request->getText( 'pages' );
+                       $this->curonly = $request->getCheck( 'curonly' );
+                       $rawOffset = $request->getVal( 'offset' );
 
                        if( $rawOffset ) {
                                $offset = wfTimestamp( TS_MW, $rawOffset );
@@ -99,14 +112,14 @@ class SpecialExport extends SpecialPage {
                                $offset = null;
                        }
 
-                       $limit = $wgRequest->getInt( 'limit' );
-                       $dir = $wgRequest->getVal( 'dir' );
+                       $limit = $request->getInt( 'limit' );
+                       $dir = $request->getVal( 'dir' );
                        $history = array(
                                'dir' => 'asc',
                                'offset' => false,
                                'limit' => $wgExportMaxHistory,
                        );
-                       $historyCheck = $wgRequest->getCheck( 'history' );
+                       $historyCheck = $request->getCheck( 'history' );
 
                        if ( $this->curonly ) {
                                $history = WikiExporter::CURRENT;
@@ -127,8 +140,8 @@ class SpecialExport extends SpecialPage {
                        }
                } else {
                        // Default to current-only for GET requests.
-                       $page = $wgRequest->getText( 'pages', $par );
-                       $historyCheck = $wgRequest->getCheck( 'history' );
+                       $page = $request->getText( 'pages', $par );
+                       $historyCheck = $request->getCheck( 'history' );
 
                        if( $historyCheck ) {
                                $history = WikiExporter::FULL;
@@ -146,40 +159,59 @@ class SpecialExport extends SpecialPage {
                        $history = WikiExporter::CURRENT;
                }
 
-               $list_authors = $wgRequest->getCheck( 'listauthors' );
+               $list_authors = $request->getCheck( 'listauthors' );
                if ( !$this->curonly || !$wgExportAllowListContributors ) {
                        $list_authors = false ;
                }
 
                if ( $this->doExport ) {
-                       $wgOut->disable();
+                       $this->getOutput()->disable();
 
                        // Cancel output buffering and gzipping if set
                        // This should provide safer streaming for pages with history
                        wfResetOutputBuffers();
-                       $wgRequest->response()->header( "Content-type: application/xml; charset=utf-8" );
+                       $request->response()->header( "Content-type: application/xml; charset=utf-8" );
 
-                       if( $wgRequest->getCheck( 'wpDownload' ) ) {
+                       if( $request->getCheck( 'wpDownload' ) ) {
                                // Provide a sane filename suggestion
                                $filename = urlencode( $wgSitename . '-' . wfTimestampNow() . '.xml' );
-                               $wgRequest->response()->header( "Content-disposition: attachment;filename={$filename}" );
+                               $request->response()->header( "Content-disposition: attachment;filename={$filename}" );
                        }
 
-                       $this->doExport( $page, $history, $list_authors );
+                       $this->doExport( $page, $history, $list_authors, $exportall );
 
                        return;
                }
 
-               $wgOut->addWikiMsg( 'exporttext' );
+               $out = $this->getOutput();
+               $out->addWikiMsg( 'exporttext' );
 
                $form = Xml::openElement( 'form', array( 'method' => 'post',
                        'action' => $this->getTitle()->getLocalUrl( 'action=submit' ) ) );
-               $form .= Xml::inputLabel( wfMsg( 'export-addcattext' )    , 'catname', 'catname', 40 ) . ' ';
-               $form .= Xml::submitButton( wfMsg( 'export-addcat' ), array( 'name' => 'addcat' ) ) . '<br />';
+               $form .= Xml::inputLabel( $this->msg( 'export-addcattext' )->text(), 'catname', 'catname', 40 ) . '&#160;';
+               $form .= Xml::submitButton( $this->msg( 'export-addcat' )->text(), array( 'name' => 'addcat' ) ) . '<br />';
 
                if ( $wgExportFromNamespaces ) {
-                       $form .= Xml::namespaceSelector( $nsindex, null, 'nsindex', wfMsg( 'export-addnstext' ) ) . '&#160;';
-                       $form .= Xml::submitButton( wfMsg( 'export-addns' ), array( 'name' => 'addns' ) ) . '<br />';
+                       $form .= Html::namespaceSelector(
+                               array(
+                                       'selected' => $nsindex,
+                                       'label' => $this->msg( 'export-addnstext' )->text()
+                               ), array(
+                                       'name'  => 'nsindex',
+                                       'id'    => 'namespace',
+                                       'class' => 'namespaceselector',
+                               )
+                       ) . '&#160;';
+                       $form .= Xml::submitButton( $this->msg( 'export-addns' )->text(), array( 'name' => 'addns' ) ) . '<br />';
+               }
+
+               if ( $wgExportAllowAll ) {
+                       $form .= Xml::checkLabel(
+                               $this->msg( 'exportall' )->text(),
+                               'exportall',
+                               'exportall',
+                               $request->wasPosted() ? $request->getCheck( 'exportall' ) : false
+                       ) . '<br />';
                }
 
                $form .= Xml::element( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ), $page, false );
@@ -187,43 +219,54 @@ class SpecialExport extends SpecialPage {
 
                if( $wgExportAllowHistory ) {
                        $form .= Xml::checkLabel(
-                               wfMsg( 'exportcuronly' ),
+                               $this->msg( 'exportcuronly' )->text(),
                                'curonly',
                                'curonly',
-                               $wgRequest->wasPosted() ? $wgRequest->getCheck( 'curonly' ) : true
+                               $request->wasPosted() ? $request->getCheck( 'curonly' ) : true
                        ) . '<br />';
                } else {
-                       $wgOut->addHTML( wfMsgExt( 'exportnohistory', 'parse' ) );
+                       $out->addWikiMsg( 'exportnohistory' );
                }
 
                $form .= Xml::checkLabel(
-                       wfMsg( 'export-templates' ),
+                       $this->msg( 'export-templates' )->text(),
                        'templates',
                        'wpExportTemplates',
-                       $wgRequest->wasPosted() ? $wgRequest->getCheck( 'templates' ) : false
+                       $request->wasPosted() ? $request->getCheck( 'templates' ) : false
                ) . '<br />';
 
                if( $wgExportMaxLinkDepth || $this->userCanOverrideExportDepth() ) {
-                       $form .= Xml::inputLabel( wfMsg( 'export-pagelinks' ), 'pagelink-depth', 'pagelink-depth', 20, 0 ) . '<br />';
+                       $form .= Xml::inputLabel( $this->msg( 'export-pagelinks' )->text(), 'pagelink-depth', 'pagelink-depth', 20, 0 ) . '<br />';
                }
                // Enable this when we can do something useful exporting/importing image information. :)
-               //$form .= Xml::checkLabel( wfMsg( 'export-images' ), 'images', 'wpExportImages', false ) . '<br />';
+               //$form .= Xml::checkLabel( $this->msg( 'export-images' )->text(), 'images', 'wpExportImages', false ) . '<br />';
                $form .= Xml::checkLabel(
-                       wfMsg( 'export-download' ),
+                       $this->msg( 'export-download' )->text(),
                        'wpDownload',
                        'wpDownload',
-                       $wgRequest->wasPosted() ? $wgRequest->getCheck( 'wpDownload' ) : true
+                       $request->wasPosted() ? $request->getCheck( 'wpDownload' ) : true
                ) . '<br />';
 
-               $form .= Xml::submitButton( wfMsg( 'export-submit' ), $this->getSkin()->tooltipAndAccessKeyAttribs( 'export' ) );
+               if ( $wgExportAllowListContributors ) {
+                       $form .= Xml::checkLabel(
+                               $this->msg( 'exportlistauthors' )->text(),
+                               'listauthors',
+                               'listauthors',
+                               $request->wasPosted() ? $request->getCheck( 'listauthors' ) : false
+                       ) . '<br />';
+               }
+
+               $form .= Xml::submitButton( $this->msg( 'export-submit' )->text(), Linker::tooltipAndAccesskeyAttribs( 'export' ) );
                $form .= Xml::closeElement( 'form' );
 
-               $wgOut->addHTML( $form );
+               $out->addHTML( $form );
        }
 
+       /**
+        * @return bool
+        */
        private function userCanOverrideExportDepth() {
-               global $wgUser;
-               return $wgUser->isAllowed( 'override-export-depth' );
+               return $this->getUser()->isAllowed( 'override-export-depth' );
        }
 
        /**
@@ -233,47 +276,55 @@ class SpecialExport extends SpecialPage {
         * @param $history Mixed: one of the WikiExporter history export constants
         * @param $list_authors Boolean: Whether to add distinct author list (when
         *                      not returning full history)
+        * @param $exportall Boolean: Whether to export everything
         */
-       private function doExport( $page, $history, $list_authors ) {
-               $pageSet = array(); // Inverted index of all pages to look up
-
-               // Split up and normalize input
-               foreach( explode( "\n", $page ) as $pageName ) {
-                       $pageName = trim( $pageName );
-                       $title = Title::newFromText( $pageName );
-                       if( $title && $title->getInterwiki() == '' && $title->getText() !== '' ) {
-                               // Only record each page once!
-                               $pageSet[$title->getPrefixedText()] = true;
+       private function doExport( $page, $history, $list_authors, $exportall ) {
+
+               // If we are grabbing everything, enable full history and ignore the rest
+               if ( $exportall ) {
+                       $history = WikiExporter::FULL;
+               } else {
+
+                       $pageSet = array(); // Inverted index of all pages to look up
+               
+                       // Split up and normalize input
+                       foreach( explode( "\n", $page ) as $pageName ) {
+                               $pageName = trim( $pageName );
+                               $title = Title::newFromText( $pageName );
+                               if( $title && $title->getInterwiki() == '' && $title->getText() !== '' ) {
+                                       // Only record each page once!
+                                       $pageSet[$title->getPrefixedText()] = true;
+                               }
                        }
-               }
 
-               // Set of original pages to pass on to further manipulation...
-               $inputPages = array_keys( $pageSet );
+                       // Set of original pages to pass on to further manipulation...
+                       $inputPages = array_keys( $pageSet );
 
-               // Look up any linked pages if asked...
-               if( $this->templates ) {
-                       $pageSet = $this->getTemplates( $inputPages, $pageSet );
-               }
-               $linkDepth = $this->pageLinkDepth;
-               if( $linkDepth ) {
-                       $pageSet = $this->getPageLinks( $inputPages, $pageSet, $linkDepth );
-               }
+                       // Look up any linked pages if asked...
+                       if( $this->templates ) {
+                               $pageSet = $this->getTemplates( $inputPages, $pageSet );
+                       }
+                       $linkDepth = $this->pageLinkDepth;
+                       if( $linkDepth ) {
+                               $pageSet = $this->getPageLinks( $inputPages, $pageSet, $linkDepth );
+                       }
 
-               /*
-                // Enable this when we can do something useful exporting/importing image information. :)
-                if( $this->images ) ) {
-                $pageSet = $this->getImages( $inputPages, $pageSet );
-                }
-                */
+                       /*
+                        // Enable this when we can do something useful exporting/importing image information. :)
+                        if( $this->images ) ) {
+                        $pageSet = $this->getImages( $inputPages, $pageSet );
+                        }
+                       */
 
-               $pages = array_keys( $pageSet );
+                       $pages = array_keys( $pageSet );
 
-               // Normalize titles to the same format and remove dupes, see bug 17374
-               foreach( $pages as $k => $v ) {
-                       $pages[$k] = str_replace( " ", "_", $v );
-               }
+                       // Normalize titles to the same format and remove dupes, see bug 17374
+                       foreach( $pages as $k => $v ) {
+                               $pages[$k] = str_replace( " ", "_", $v );
+                       }
 
-               $pages = array_unique( $pages );
+                       $pages = array_unique( $pages );
+               }
 
                /* Ok, let's get to it... */
                if( $history == WikiExporter::CURRENT ) {
@@ -296,7 +347,10 @@ class SpecialExport extends SpecialPage {
                $exporter->list_authors = $list_authors;
                $exporter->openStream();
 
-               foreach( $pages as $page ) {
+               if ( $exportall ) {
+                       $exporter->allPages();
+               } else {
+                       foreach( $pages as $page ) {
                        /*
                         if( $wgExportMaxHistory && !$this->curonly ) {
                         $title = Title::newFromText( $page );
@@ -310,15 +364,16 @@ class SpecialExport extends SpecialPage {
                         }
                         }*/
                        #Bug 8824: Only export pages the user can read
-                       $title = Title::newFromText( $page );
-                       if( is_null( $title ) ) {
-                               continue; #TODO: perhaps output an <error> tag or something.
-                       }
-                       if( !$title->userCanRead() ) {
-                               continue; #TODO: perhaps output an <error> tag or something.
-                       }
+                               $title = Title::newFromText( $page );
+                               if( is_null( $title ) ) {
+                                       continue; #TODO: perhaps output an <error> tag or something.
+                               }
+                               if( !$title->userCan( 'read', $this->getUser() ) ) {
+                                       continue; #TODO: perhaps output an <error> tag or something.
+                               }
 
-                       $exporter->pageByTitle( $title );
+                               $exporter->pageByTitle( $title );
+                       }
                }
 
                $exporter->closeStream();
@@ -328,6 +383,10 @@ class SpecialExport extends SpecialPage {
                }
        }
 
+       /**
+        * @param $title Title
+        * @return array
+        */
        private function getPagesFromCategory( $title ) {
                global $wgContLang;
 
@@ -356,6 +415,10 @@ class SpecialExport extends SpecialPage {
                return $pages;
        }
 
+       /**
+        * @param $nsindex int
+        * @return array
+        */
        private function getPagesFromNamespace( $nsindex ) {
                global $wgContLang;
 
@@ -392,13 +455,15 @@ class SpecialExport extends SpecialPage {
        private function getTemplates( $inputPages, $pageSet ) {
                return $this->getLinks( $inputPages, $pageSet,
                        'templatelinks',
-                       array( 'tl_namespace AS namespace', 'tl_title AS title' ),
+                       array( 'namespace' => 'tl_namespace', 'title' => 'tl_title' ),
                        array( 'page_id=tl_from' )
                );
        }
 
        /**
         * Validate link depth setting, if available.
+        * @param $depth int
+        * @return int
         */
        private function validateLinkDepth( $depth ) {
                global $wgExportMaxLinkDepth;
@@ -421,12 +486,18 @@ class SpecialExport extends SpecialPage {
                return intval( min( $depth, 5 ) );
        }
 
-       /** Expand a list of pages to include pages linked to from that page. */
+       /**
+        * Expand a list of pages to include pages linked to from that page.
+        * @param $inputPages array
+        * @param $pageSet array
+        * @param $depth int
+        * @return array
+        */
        private function getPageLinks( $inputPages, $pageSet, $depth ) {
                for( ; $depth > 0; --$depth ) {
                        $pageSet = $this->getLinks(
                                $inputPages, $pageSet, 'pagelinks',
-                               array( 'pl_namespace AS namespace', 'pl_title AS title' ),
+                               array( 'namespace' => 'pl_namespace', 'title' => 'pl_title' ),
                                array( 'page_id=pl_from' )
                        );
                        $inputPages = array_keys( $pageSet );
@@ -448,13 +519,14 @@ class SpecialExport extends SpecialPage {
                        $inputPages,
                        $pageSet,
                        'imagelinks',
-                       array( NS_FILE . ' AS namespace', 'il_to AS title' ),
+                       array( 'namespace' => NS_FILE, 'title' => 'il_to' ),
                        array( 'page_id=il_from' )
                );
        }
 
        /**
         * Expand a list of pages to include items used in those pages.
+        * @return array
         */
        private function getLinks( $inputPages, $pageSet, $table, $fields, $join ) {
                $dbr = wfGetDB( DB_SLAVE );