MediaWiki 1.7.1 wiederhergestellt

1 files changed, 275 insertions, 0 deletions

diff --git a/maintenance/rebuildImages.php b/maintenance/rebuildImages.php
new file mode 100644
index 00000000..45477097
--- /dev/null
+++ b/maintenance/rebuildImages.php
@@ -0,0 +1,275 @@
+<?php
+/*
+ * Script to update image metadata records
+ *
+ * Usage: php rebuildImages.php [--missing] [--dry-run]
+ * Options:
+ *   --missing  Crawl the uploads dir for images without records, and
+ *              add them only.
+ *
+ * Copyright (C) 2005 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
+ *
+ * @author Brion Vibber <brion at pobox.com>
+ * @package MediaWiki
+ * @subpackage maintenance
+ */
+
+$options = array( 'missing', 'dry-run' );
+
+require_once( 'commandLine.inc' );
+require_once( 'FiveUpgrade.inc' );
+
+class ImageBuilder extends FiveUpgrade {
+	function ImageBuilder( $dryrun = false ) {
+		parent::FiveUpgrade();
+
+		$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
+		$this->dryrun = $dryrun;
+	}
+
+	function build() {
+		$this->buildImage();
+		$this->buildOldImage();
+	}
+
+	function init( $count, $table ) {
+		$this->processed = 0;
+		$this->updated = 0;
+		$this->count = $count;
+		$this->startTime = wfTime();
+		$this->table = $table;
+	}
+
+	function progress( $updated ) {
+		$this->updated += $updated;
+		$this->processed++;
+		if( $this->processed % 100 != 0 ) {
+			return;
+		}
+		$portion = $this->processed / $this->count;
+		$updateRate = $this->updated / $this->processed;
+
+		$now = wfTime();
+		$delta = $now - $this->startTime;
+		$estimatedTotalTime = $delta / $portion;
+		$eta = $this->startTime + $estimatedTotalTime;
+
+		printf( "%s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
+			wfTimestamp( TS_DB, intval( $now ) ),
+			$portion * 100.0,
+			$this->table,
+			wfTimestamp( TS_DB, intval( $eta ) ),
+			$completed,
+			$this->count,
+			$rate,
+			$updateRate * 100.0 );
+		flush();
+	}
+
+	function buildTable( $table, $key, $callback ) {
+		$fname = 'ImageBuilder::buildTable';
+
+		$count = $this->dbw->selectField( $table, 'count(*)', '', $fname );
+		$this->init( $count, $table );
+		$this->log( "Processing $table..." );
+
+		$tableName = $this->dbr->tableName( $table );
+		$sql = "SELECT * FROM $tableName";
+		$result = $this->dbr->query( $sql, $fname );
+
+		while( $row = $this->dbr->fetchObject( $result ) ) {
+			$update = call_user_func( $callback, $row );
+			if( is_array( $update ) ) {
+				if( !$this->dryrun ) {
+					$this->dbw->update( $table,
+						$update,
+						array( $key => $row->$key ),
+						$fname );
+				}
+				$this->progress( 1 );
+			} else {
+				$this->progress( 0 );
+			}
+		}
+		$this->log( "Finished $table... $this->updated of $this->processed rows updated" );
+		$this->dbr->freeResult( $result );
+	}
+
+	function buildImage() {
+		$callback = array( &$this, 'imageCallback' );
+		$this->buildTable( 'image', 'img_name', $callback );
+	}
+
+	function imageCallback( $row ) {
+		if( $row->img_width ) {
+			// Already processed
+			return null;
+		}
+
+		// Fill in the new image info fields
+		$info = $this->imageInfo( $row->img_name );
+
+		global $wgMemc, $wgDBname;
+		$key = $wgDBname . ":Image:" . md5( $row->img_name );
+		$wgMemc->delete( $key );
+
+		return array(
+			'img_width'      => $info['width'],
+			'img_height'     => $info['height'],
+			'img_bits'       => $info['bits'],
+			'img_media_type' => $info['media'],
+			'img_major_mime' => $info['major'],
+			'img_minor_mime' => $info['minor'] );
+	}
+
+
+	function buildOldImage() {
+		$this->buildTable( 'oldimage', 'oi_archive_name',
+			array( &$this, 'oldimageCallback' ) );
+	}
+
+	function oldimageCallback( $row ) {
+		if( $row->oi_width ) {
+			return null;
+		}
+
+		// Fill in the new image info fields
+		$info = $this->imageInfo( $row->oi_archive_name, 'wfImageArchiveDir', $row->oi_name );
+		return array(
+			'oi_width'  => $info['width' ],
+			'oi_height' => $info['height'],
+			'oi_bits'   => $info['bits'  ] );
+	}
+
+	function crawlMissing() {
+		global $wgUploadDirectory, $wgHashedUploadDirectory;
+		if( $wgHashedUploadDirectory ) {
+			for( $i = 0; $i < 16; $i++ ) {
+				for( $j = 0; $j < 16; $j++ ) {
+					$dir = sprintf( '%s%s%01x%s%02x',
+						$wgUploadDirectory,
+						DIRECTORY_SEPARATOR,
+						$i,
+						DIRECTORY_SEPARATOR,
+						$i * 16 + $j );
+					$this->crawlDirectory( $dir );
+				}
+			}
+		} else {
+			$this->crawlDirectory( $wgUploadDirectory );
+		}
+	}
+
+	function crawlDirectory( $dir ) {
+		if( !file_exists( $dir ) ) {
+			return $this->log( "no directory, skipping $dir" );
+		}
+		if( !is_dir( $dir ) ) {
+			return $this->log( "not a directory?! skipping $dir" );
+		}
+		if( !is_readable( $dir ) ) {
+			return $this->log( "dir not readable, skipping $dir" );
+		}
+		$source = opendir( $dir );
+		if( $source === false ) {
+			return $this->log( "couldn't open dir, skipping $dir" );
+		}
+
+		$this->log( "crawling $dir" );
+		while( false !== ( $filename = readdir( $source ) ) ) {
+			$fullpath = $dir . DIRECTORY_SEPARATOR . $filename;
+			if( is_dir( $fullpath ) ) {
+				continue;
+			}
+			if( is_link( $fullpath ) ) {
+				$this->log( "skipping symlink at $fullpath" );
+				continue;
+			}
+			$this->checkMissingImage( $filename, $fullpath );
+		}
+		closedir( $source );
+	}
+
+	function checkMissingImage( $filename, $fullpath ) {
+		$fname = 'ImageBuilder::checkMissingImage';
+		$row = $this->dbw->selectRow( 'image',
+			array( 'img_name' ),
+			array( 'img_name' => $filename ),
+			$fname );
+
+		if( $row ) {
+			// already known, move on
+			return;
+		} else {
+			$this->addMissingImage( $filename, $fullpath );
+		}
+	}
+
+	function addMissingImage( $filename, $fullpath ) {
+		$fname = 'ImageBuilder::addMissingImage';
+
+		$size = filesize( $fullpath );
+		$info = $this->imageInfo( $filename );
+		$timestamp = $this->dbw->timestamp( filemtime( $fullpath ) );
+
+		global $wgContLang;
+		$altname = $wgContLang->checkTitleEncoding( $filename );
+		if( $altname != $filename ) {
+			if( $this->dryrun ) {
+				$filename = $altname;
+				$this->log( "Estimating transcoding... $altname" );
+			} else {
+				$filename = $this->renameFile( $filename );
+			}
+		}
+
+		if( $filename == '' ) {
+			$this->log( "Empty filename for $fullpath" );
+			return;
+		}
+
+		$fields = array(
+			'img_name'       => $filename,
+			'img_size'       => $size,
+			'img_width'      => $info['width'],
+			'img_height'     => $info['height'],
+			'img_metadata'   => '', // filled in on-demand
+			'img_bits'       => $info['bits'],
+			'img_media_type' => $info['media'],
+			'img_major_mime' => $info['major'],
+			'img_minor_mime' => $info['minor'],
+			'img_description' => '(recovered file, missing upload log entry)',
+			'img_user'        => 0,
+			'img_user_text'   => 'Conversion script',
+			'img_timestamp'   => $timestamp );
+		if( !$this->dryrun ) {
+			$this->dbw->insert( 'image', $fields, $fname );
+		}
+		$this->log( $fullpath );
+	}
+}
+
+$builder = new ImageBuilder( isset( $options['dry-run'] ) );
+if( isset( $options['missing'] ) ) {
+	$builder->crawlMissing();
+} else {
+	$builder->build();
+}
+
+?>