1 files changed, 86 insertions, 0 deletions
diff --git a/www/wiki/maintenance/checkImages.php b/www/wiki/maintenance/checkImages.php
new file mode 100644
index 00000000..f858f030
--- /dev/null
+++ b/www/wiki/maintenance/checkImages.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * Check images to see if they exist, are readable, etc.
+ *
+ * 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
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script to check images to see if they exist, are readable, etc.
+ *
+ * @ingroup Maintenance
+ */
+class CheckImages extends Maintenance {
+
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Check images to see if they exist, are readable, etc' );
+		$this->setBatchSize( 1000 );
+	}
+
+	public function execute() {
+		$start = '';
+		$dbr = $this->getDB( DB_REPLICA );
+
+		$numImages = 0;
+		$numGood = 0;
+
+		$repo = RepoGroup::singleton()->getLocalRepo();
+		$fileQuery = LocalFile::getQueryInfo();
+		do {
+			$res = $dbr->select( $fileQuery['tables'], $fileQuery['fields'],
+				[ 'img_name > ' . $dbr->addQuotes( $start ) ],
+				__METHOD__, [ 'LIMIT' => $this->getBatchSize() ], $fileQuery['joins'] );
+			foreach ( $res as $row ) {
+				$numImages++;
+				$start = $row->img_name;
+				$file = $repo->newFileFromRow( $row );
+				$path = $file->getPath();
+				if ( !$path ) {
+					$this->output( "{$row->img_name}: not locally accessible\n" );
+					continue;
+				}
+				$size = $repo->getFileSize( $file->getPath() );
+				if ( $size === false ) {
+					$this->output( "{$row->img_name}: missing\n" );
+					continue;
+				}
+
+				if ( $size == 0 && $row->img_size != 0 ) {
+					$this->output( "{$row->img_name}: truncated, was {$row->img_size}\n" );
+					continue;
+				}
+
+				if ( $size != $row->img_size ) {
+					$this->output( "{$row->img_name}: size mismatch DB={$row->img_size}, "
+						. "actual={$size}\n" );
+					continue;
+				}
+
+				$numGood++;
+			}
+		} while ( $res->numRows() );
+
+		$this->output( "Good images: $numGood/$numImages\n" );
+	}
+}
+
+$maintClass = CheckImages::class;
+require_once RUN_MAINTENANCE_IF_MAIN;