MediaWiki 1.17.0

[autoinstallsdev/mediawiki.git] / maintenance / storage / dumpRev.php

diff --git a/maintenance/storage/dumpRev.php b/maintenance/storage/dumpRev.php
index 4c31b4e12dca2242c7c7e2aaa492cce965075ba6..b200d8af03a891783f628558ad7b274bbfce7bc2 100644 (file)
--- a/maintenance/storage/dumpRev.php
+++ b/maintenance/storage/dumpRev.php
@@ -1,14 +1,79 @@
 <?php
+/**
+ * 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
+ *
+ * @ingroup Maintenance ExternalStorage
+ */
 
-require_once( dirname(__FILE__) . '/../commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/../Maintenance.php' );
 
-$dbr = wfGetDB( DB_SLAVE );
-$row = $dbr->selectRow( 'text', array( 'old_flags', 'old_text' ), array( 'old_id' => $args[0] ) );
-$obj = unserialize( $row->old_text );
+class DumpRev extends Maintenance {
+       public function __construct() {
+               parent::__construct();
+               $this->addArg( 'rev-id', 'Revision ID', true );
+       }
 
-if ( get_class( $obj ) == 'concatenatedgziphistoryblob' ) {
-       print_r( array_keys( $obj->mItems ) );
-} else {
-       var_dump( $obj );
+       public function execute() {
+               $dbr = wfGetDB( DB_SLAVE );
+               $row = $dbr->selectRow(
+                       array( 'text', 'revision' ),
+                       array( 'old_flags', 'old_text' ),
+                       array( 'old_id=rev_text_id', 'rev_id' => $this->getArg() )
+               );
+               if ( !$row ) {
+                       $this->error( "Row not found", true );
+               }
+
+               $flags = explode( ',',  $row->old_flags );
+               $text = $row->old_text;
+               if ( in_array( 'external', $flags ) ) {
+                       $this->output( "External $text\n" );
+                       if ( preg_match( '!^DB://(\w+)/(\w+)/(\w+)$!', $text, $m ) ) {
+                               $es = ExternalStore::getStoreObject( 'DB' );
+                               $blob = $es->fetchBlob( $m[1], $m[2], $m[3] );
+                               if ( strtolower( get_class( $blob ) ) == 'concatenatedgziphistoryblob' ) {
+                                       $this->output( "Found external CGZ\n" );
+                                       $blob->uncompress();
+                                       $this->output( "Items: (" . implode( ', ', array_keys( $blob->mItems ) ) . ")\n" );
+                                       $text = $blob->getItem( $m[3] );
+                               } else {
+                                       $this->output( "CGZ expected at $text, got " . gettype( $blob ) . "\n" );
+                                       $text = $blob;
+                               }
+                       } else {
+                               $this->output( "External plain $text\n" );
+                               $text = ExternalStore::fetchFromURL( $text );
+                       }
+               }
+               if ( in_array( 'gzip', $flags ) ) {
+                       $text = gzinflate( $text );
+               }
+               if ( in_array( 'object', $flags ) ) {
+                       $obj = unserialize( $text );
+                       $text = $obj->getText();
+               }
+
+               if ( is_object( $text ) ) {
+                       $this->error( "Unexpectedly got object of type: " . get_class( $text ) );
+               } else {
+                       $this->output( "Text length: " . strlen( $text ) . "\n" );
+                       $this->output( substr( $text, 0, 100 ) . "\n" );
+               }
+       }
 }
 
+$maintClass = "DumpRev";
+require_once( RUN_MAINTENANCE_IF_MAIN );