-<?
-
-function wfSpecialExport( $page = "" ) {
- global $wgOut, $wgLang;
-
- if( $_REQUEST['action'] == 'submit') {
- $page = $_REQUEST['pages'];
- $curonly = isset($_REQUEST['curonly']) ? true : false;
- } else {
- $curonly = true;
- }
-
- if( $page != "" ) {
- header( "Content-type: application/xml; charset=utf-8" );
- $pages = explode( "\n", $page );
- $xml = pages2xml( $pages, $curonly );
- echo $xml;
- exit();
+<?php
+# Copyright (C) 2003 Brion Vibber <brion@pobox.com>
+# http://www.mediawiki.org/
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# http://www.gnu.org/copyleft/gpl.html
+/**
+ *
+ * @addtogroup SpecialPage
+ */
+
+function wfExportGetPagesFromCategory( $title ) {
+ global $wgContLang;
+
+ $name = $title->getDBkey();
+
+ $dbr = wfGetDB( DB_SLAVE );
+
+ list( $page, $categorylinks ) = $dbr->tableNamesN( 'page', 'categorylinks' );
+ $sql = "SELECT page_namespace, page_title FROM $page " .
+ "JOIN $categorylinks ON cl_from = page_id " .
+ "WHERE cl_to = " . $dbr->addQuotes( $name );
+
+ $pages = array();
+ $res = $dbr->query( $sql, 'wfExportGetPagesFromCategory' );
+ while ( $row = $dbr->fetchObject( $res ) ) {
+ $n = $row->page_title;
+ if ($row->page_namespace) {
+ $ns = $wgContLang->getNsText( $row->page_namespace );
+ $n = $ns . ':' . $n;
+ }
+
+ $pages[] = $n;
}
-
- $wgOut->addWikiText( wfMsg( "exporttext" ) );
- $action = wfLocalUrlE( $wgLang->SpecialPage( "Export" ) );
- $wgOut->addHTML( "
-<form method='post' action=\"$action\">
-<input type='hidden' name='action' value='submit' />
-<textarea name='pages' cols='40' rows='10'></textarea><br />
-<label><input type='checkbox' name='curonly' value='true' checked />
-" . wfMsg( "exportcuronly" ) . "</label><br />
-<input type='submit' />
-</form>
-" );
+ $dbr->freeResult($res);
+
+ return $pages;
+}
+
+/**
+ * Expand a list of pages to include templates used in those pages.
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
+ */
+function wfExportGetTemplates( $inputPages, $pageSet ) {
+ return wfExportGetLinks( $inputPages, $pageSet,
+ 'templatelinks',
+ array( 'tl_namespace AS namespace', 'tl_title AS title' ),
+ array( 'page_id=tl_from' ) );
+}
+
+/**
+ * Expand a list of pages to include images used in those pages.
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
+ */
+function wfExportGetImages( $inputPages, $pageSet ) {
+ return wfExportGetLinks( $inputPages, $pageSet,
+ 'imagelinks',
+ array( NS_IMAGE . ' AS namespace', 'il_to AS title' ),
+ array( 'page_id=il_from' ) );
}
-function pages2xml( $pages, $curonly = false ) {
- global $wgLanguageCode, $wgInputEncoding, $wgLang;
- $xml = "<mediawiki version=\"0.1\" xml:ns=\"$wgLanguageCode\">\n";
- foreach( $pages as $page ) {
- $xml .= page2xml( $page, $curonly );
+/**
+ * Expand a list of pages to include items used in those pages.
+ * @private
+ */
+function wfExportGetLinks( $inputPages, $pageSet, $table, $fields, $join ) {
+ $dbr = wfGetDB( DB_SLAVE );
+ foreach( $inputPages as $page ) {
+ $title = Title::newFromText( $page );
+ if( $title ) {
+ $pageSet[$title->getPrefixedText()] = true;
+ /// @fixme May or may not be more efficient to batch these
+ /// by namespace when given multiple input pages.
+ $result = $dbr->select(
+ array( 'page', $table ),
+ $fields,
+ array_merge( $join,
+ array(
+ 'page_namespace' => $title->getNamespace(),
+ 'page_title' => $title->getDbKey() ) ),
+ __METHOD__ );
+ foreach( $result as $row ) {
+ $template = Title::makeTitle( $row->namespace, $row->title );
+ $pageSet[$template->getPrefixedText()] = true;
+ }
+ }
}
- $xml .= "</mediawiki>\n";
- if($wgInputEncoding != "utf-8")
- $xml = $wgLang->iconv( $wgInputEncoding, "utf-8", $xml );
- return $xml;
+ return $pageSet;
+}
+
+/**
+ * Callback function to remove empty strings from the pages array.
+ */
+function wfFilterPage( $page ) {
+ return $page !== '' && $page !== null;
}
-function page2xml( $page, $curonly, $full = false ) {
- global $wgInputCharset, $wgLang;
- $title = Title::NewFromText( $page );
- if( !$title ) return "";
- $t = wfStrencode( $title->getDBKey() );
- $ns = $title->getNamespace();
- $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
- "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM cur " .
- "WHERE cur_namespace=$ns AND cur_title='$t'";
- $res = wfQuery( $sql, DB_READ );
- if( $s = wfFetchObject( $res ) ) {
- $tl = htmlspecialchars( $title->getPrefixedText() );
- $xml = " <page>\n";
- $xml .= " <title>$tl</title>\n";
- if( $full ) {
- $xml .= " <id>$s->id</id>\n";
+/**
+ *
+ */
+function wfSpecialExport( $page = '' ) {
+ global $wgOut, $wgRequest, $wgSitename, $wgExportAllowListContributors;
+ global $wgExportAllowHistory, $wgExportMaxHistory;
+
+ $curonly = true;
+ $doexport = false;
+
+ if ( $wgRequest->getCheck( 'addcat' ) ) {
+ $page = $wgRequest->getText( 'pages' );
+ $catname = $wgRequest->getText( 'catname' );
+
+ if ( $catname !== '' && $catname !== NULL && $catname !== false ) {
+ $t = Title::makeTitleSafe( NS_CATEGORY, $catname );
+ if ( $t ) {
+ /**
+ * @fixme This can lead to hitting memory limit for very large
+ * categories. Ideally we would do the lookup synchronously
+ * during the export in a single query.
+ */
+ $catpages = wfExportGetPagesFromCategory( $t );
+ if ( $catpages ) $page .= "\n" . implode( "\n", $catpages );
+ }
}
- if( $s->restrictions ) {
- $xml .= " <restrictions>$s->restrictions</restrictions>\n";
+ }
+ else if( $wgRequest->wasPosted() && $page == '' ) {
+ $page = $wgRequest->getText( 'pages' );
+ $curonly = $wgRequest->getCheck( 'curonly' );
+ $rawOffset = $wgRequest->getVal( 'offset' );
+ if( $rawOffset ) {
+ $offset = wfTimestamp( TS_MW, $rawOffset );
+ } else {
+ $offset = null;
}
- if( !$curonly ) {
- $sql = "SELECT old_id as id,old_timestamp as timestamp, old_user as user, old_user_text as user_text," .
- "old_comment as comment, old_text as text FROM old " .
- "WHERE old_namespace=$ns AND old_title='$t' ORDER BY old_timestamp";
- $res = wfQuery( $sql, DB_READ );
-
- while( $s2 = wfFetchObject( $res ) ) {
- $xml .= revision2xml( $s2, $full, false );
+ $limit = $wgRequest->getInt( 'limit' );
+ $dir = $wgRequest->getVal( 'dir' );
+ $history = array(
+ 'dir' => 'asc',
+ 'offset' => false,
+ 'limit' => $wgExportMaxHistory,
+ );
+ $historyCheck = $wgRequest->getCheck( 'history' );
+ if ( $curonly ) {
+ $history = WikiExporter::CURRENT;
+ } elseif ( !$historyCheck ) {
+ if ( $limit > 0 && $limit < $wgExportMaxHistory ) {
+ $history['limit'] = $limit;
+ }
+ if ( !is_null( $offset ) ) {
+ $history['offset'] = $offset;
+ }
+ if ( strtolower( $dir ) == 'desc' ) {
+ $history['dir'] = 'desc';
}
}
- $xml .= revision2xml( $s, $full, true );
- $xml .= " </page>\n";
- return $xml;
+
+ if( $page != '' ) $doexport = true;
} else {
- return "";
+ // Default to current-only for GET requests
+ $page = $wgRequest->getText( 'pages', $page );
+ $historyCheck = $wgRequest->getCheck( 'history' );
+ if( $historyCheck ) {
+ $history = WikiExporter::FULL;
+ } else {
+ $history = WikiExporter::CURRENT;
+ }
+
+ if( $page != '' ) $doexport = true;
}
-}
-function revision2xml( $s, $full, $cur ) {
- $ts = wfTimestamp2ISO8601( $s->timestamp );
- $xml = " <revision>\n";
- if($full && !$cur)
- $xml .= " <id>$s->id</id>\n";
- $xml .= " <timestamp>$ts</timestamp>\n";
- if($s->user) {
- $u = "<username>" . htmlspecialchars( $s->user_text ) . "</username>";
- if($full)
- $u .= "<id>$s->user</id>";
- } else {
- $u = "<ip>" . htmlspecialchars( $s->user_text ) . "</ip>";
+ if( !$wgExportAllowHistory ) {
+ // Override
+ $history = WikiExporter::CURRENT;
}
- $xml .= " <contributor>$u</contributor>\n";
- if($s->minor) {
- $xml .= " <minor/>\n";
+
+ $list_authors = $wgRequest->getCheck( 'listauthors' );
+ if ( !$curonly || !$wgExportAllowListContributors ) $list_authors = false ;
+
+ if ( $doexport ) {
+ $wgOut->disable();
+
+ // Cancel output buffering and gzipping if set
+ // This should provide safer streaming for pages with history
+ wfResetOutputBuffers();
+ header( "Content-type: application/xml; charset=utf-8" );
+ if( $wgRequest->getCheck( 'wpDownload' ) ) {
+ // Provide a sane filename suggestion
+ $filename = urlencode( $wgSitename . '-' . wfTimestampNow() . '.xml' );
+ $wgRequest->response()->header( "Content-disposition: attachment;filename={$filename}" );
+ }
+
+ /* Split up the input and look up linked pages */
+ $inputPages = array_filter( explode( "\n", $page ), 'wfFilterPage' );
+ $pageSet = array_flip( $inputPages );
+
+ if( $wgRequest->getCheck( 'templates' ) ) {
+ $pageSet = wfExportGetTemplates( $inputPages, $pageSet );
+ }
+
+ /*
+ // Enable this when we can do something useful exporting/importing image information. :)
+ if( $wgRequest->getCheck( 'images' ) ) {
+ $pageSet = wfExportGetImages( $inputPages, $pageSet );
+ }
+ */
+
+ $pages = array_keys( $pageSet );
+
+ /* Ok, let's get to it... */
+
+ $db = wfGetDB( DB_SLAVE );
+ $exporter = new WikiExporter( $db, $history );
+ $exporter->list_authors = $list_authors ;
+ $exporter->openStream();
+
+ foreach( $pages as $page ) {
+ /*
+ if( $wgExportMaxHistory && !$curonly ) {
+ $title = Title::newFromText( $page );
+ if( $title ) {
+ $count = Revision::countByTitle( $db, $title );
+ if( $count > $wgExportMaxHistory ) {
+ wfDebug( __FUNCTION__ .
+ ": Skipped $page, $count revisions too big\n" );
+ continue;
+ }
+ }
+ }*/
+
+ #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.
+
+ $exporter->pageByTitle( $title );
+ }
+
+ $exporter->closeStream();
+ return;
}
- if($s->comment != "") {
- $c = htmlspecialchars( $s->comment );
- $xml .= " <comment>$c</comment>\n";
+
+ $self = SpecialPage::getTitleFor( 'Export' );
+ $wgOut->addHtml( wfMsgExt( 'exporttext', 'parse' ) );
+
+ $form = Xml::openElement( 'form', array( 'method' => 'post',
+ 'action' => $self->getLocalUrl( 'action=submit' ) ) );
+
+ $form .= Xml::inputLabel( wfMsg( 'export-addcattext' ) , 'catname', 'catname', 40 ) . ' ';
+ $form .= Xml::submitButton( wfMsg( 'export-addcat' ), array( 'name' => 'addcat' ) ) . '<br />';
+
+ $form .= Xml::openElement( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ) );
+ $form .= htmlspecialchars( $page );
+ $form .= Xml::closeElement( 'textarea' );
+ $form .= '<br />';
+
+ if( $wgExportAllowHistory ) {
+ $form .= Xml::checkLabel( wfMsg( 'exportcuronly' ), 'curonly', 'curonly', true ) . '<br />';
+ } else {
+ $wgOut->addHtml( wfMsgExt( 'exportnohistory', 'parse' ) );
}
- $t = htmlspecialchars( $s->text );
- $xml .= " <text>$t</text>\n";
- $xml .= " </revision>\n";
- return $xml;
-}
+ $form .= Xml::checkLabel( wfMsg( 'export-templates' ), 'templates', 'wpExportTemplates', false ) . '<br />';
+ // Enable this when we can do something useful exporting/importing image information. :)
+ //$form .= Xml::checkLabel( wfMsg( 'export-images' ), 'images', 'wpExportImages', false ) . '<br />';
+ $form .= Xml::checkLabel( wfMsg( 'export-download' ), 'wpDownload', 'wpDownload', true ) . '<br />';
-function wfTimestamp2ISO8601( $ts ) {
- #2003-08-05T18:30:02Z
- return preg_replace( '/^(....)(..)(..)(..)(..)(..)$/', '$1-$2-$3T$4:$5:$6Z', $ts );
+ $form .= Xml::submitButton( wfMsg( 'export-submit' ) );
+ $form .= Xml::closeElement( 'form' );
+ $wgOut->addHtml( $form );
}
-
-?>