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diff --git a/www/wiki/includes/libs/filebackend/fileop/StoreFileOp.php b/www/wiki/includes/libs/filebackend/fileop/StoreFileOp.php
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+<?php
+/**
+ * Helper class for representing operations with transaction support.
+ *
+ * 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 FileBackend
+ */
+
+/**
+ * Store a file into the backend from a file on the file system.
+ * Parameters for this operation are outlined in FileBackend::doOperations().
+ */
+class StoreFileOp extends FileOp {
+ protected function allowedParams() {
+ return [
+ [ 'src', 'dst' ],
+ [ 'overwrite', 'overwriteSame', 'headers' ],
+ [ 'src', 'dst' ]
+ ];
+ }
+
+ protected function doPrecheck( array &$predicates ) {
+ $status = StatusValue::newGood();
+ // Check if the source file exists on the file system
+ if ( !is_file( $this->params['src'] ) ) {
+ $status->fatal( 'backend-fail-notexists', $this->params['src'] );
+
+ return $status;
+ // Check if the source file is too big
+ } elseif ( filesize( $this->params['src'] ) > $this->backend->maxFileSizeInternal() ) {
+ $status->fatal( 'backend-fail-maxsize',
+ $this->params['dst'], $this->backend->maxFileSizeInternal() );
+ $status->fatal( 'backend-fail-store', $this->params['src'], $this->params['dst'] );
+
+ return $status;
+ // Check if a file can be placed/changed at the destination
+ } elseif ( !$this->backend->isPathUsableInternal( $this->params['dst'] ) ) {
+ $status->fatal( 'backend-fail-usable', $this->params['dst'] );
+ $status->fatal( 'backend-fail-store', $this->params['src'], $this->params['dst'] );
+
+ return $status;
+ }
+ // Check if destination file exists
+ $status->merge( $this->precheckDestExistence( $predicates ) );
+ $this->params['dstExists'] = $this->destExists; // see FileBackendStore::setFileCache()
+ if ( $status->isOK() ) {
+ // Update file existence predicates
+ $predicates['exists'][$this->params['dst']] = true;
+ $predicates['sha1'][$this->params['dst']] = $this->sourceSha1;
+ }
+
+ return $status; // safe to call attempt()
+ }
+
+ protected function doAttempt() {
+ if ( !$this->overwriteSameCase ) {
+ // Store the file at the destination
+ return $this->backend->storeInternal( $this->setFlags( $this->params ) );
+ }
+
+ return StatusValue::newGood();
+ }
+
+ protected function getSourceSha1Base36() {
+ Wikimedia\suppressWarnings();
+ $hash = sha1_file( $this->params['src'] );
+ Wikimedia\restoreWarnings();
+ if ( $hash !== false ) {
+ $hash = Wikimedia\base_convert( $hash, 16, 36, 31 );
+ }
+
+ return $hash;
+ }
+
+ public function storagePathsChanged() {
+ return [ $this->params['dst'] ];
+ }
+}