1 files changed, 79 insertions, 0 deletions
diff --git a/www/wiki/includes/libs/filebackend/fileop/CreateFileOp.php b/www/wiki/includes/libs/filebackend/fileop/CreateFileOp.php
new file mode 100644
index 00000000..f45b055c
--- /dev/null
+++ b/www/wiki/includes/libs/filebackend/fileop/CreateFileOp.php
@@ -0,0 +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
+ *
+ * @file
+ * @ingroup FileBackend
+ */
+
+/**
+ * Create a file in the backend with the given content.
+ * Parameters for this operation are outlined in FileBackend::doOperations().
+ */
+class CreateFileOp extends FileOp {
+	protected function allowedParams() {
+		return [
+			[ 'content', 'dst' ],
+			[ 'overwrite', 'overwriteSame', 'headers' ],
+			[ 'dst' ]
+		];
+	}
+
+	protected function doPrecheck( array &$predicates ) {
+		$status = StatusValue::newGood();
+		// Check if the source data is too big
+		if ( strlen( $this->getParam( 'content' ) ) > $this->backend->maxFileSizeInternal() ) {
+			$status->fatal( 'backend-fail-maxsize',
+				$this->params['dst'], $this->backend->maxFileSizeInternal() );
+			$status->fatal( 'backend-fail-create', $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-create', $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 ) {
+			// Create the file at the destination
+			return $this->backend->createInternal( $this->setFlags( $this->params ) );
+		}
+
+		return StatusValue::newGood();
+	}
+
+	protected function getSourceSha1Base36() {
+		return Wikimedia\base_convert( sha1( $this->params['content'] ), 16, 36, 31 );
+	}
+
+	public function storagePathsChanged() {
+		return [ $this->params['dst'] ];
+	}
+}