add recursive copy to local storage backend

lib/private/files/storage/local.php

@@ -179,20 +179,34 @@ if (\OC_Util::runningOnWindows()) {
 
 			if ($this->is_dir($path2)) {
 				$this->rmdir($path2);
+			} else if ($this->is_file($path2)) {
+				$this->unlink($path2);
 			}
 
 			return rename($this->datadir . $path1, $this->datadir . $path2);
 		}
 
 		public function copy($path1, $path2) {
-			if ($this->is_dir($path2)) {
-				if (!$this->file_exists($path2)) {
-					$this->mkdir($path2);
+			if ($this->is_dir($path1)) {
+				if ($this->is_dir($path2)) {
+					$this->rmdir($path2);
+				} else if ($this->is_file($path2)) {
+					$this->unlink($path2);
+				}
+				$dir = $this->opendir($path1);
+				$this->mkdir($path2);
+				while ($file = readdir($dir)) {
+					if (($file != '.') && ($file != '..')) {
+						if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
+							return false;
+						}
+					}
 				}
-				$source = substr($path1, strrpos($path1, '/') + 1);
-				$path2 .= $source;
+				closedir($dir);
+				return true;
+			} else {
+				return copy($this->datadir . $path1, $this->datadir . $path2);
 			}
-			return copy($this->datadir . $path1, $this->datadir . $path2);
 		}
 
 		public function fopen($path, $mode) {

tests/lib/files/storage/storage.php

@@ -373,7 +373,7 @@ abstract class Storage extends \PHPUnit_Framework_TestCase {
 		$this->assertFalse($this->instance->file_exists('source/test1.txt'));
 		$this->assertFalse($this->instance->file_exists('source/test2.txt'));
 		$this->assertFalse($this->instance->file_exists('source/subfolder'));
-		$this->assertFalse($this->instance->file_exists('source/test.txt'));
+		$this->assertFalse($this->instance->file_exists('source/subfolder/test.txt'));
 
 		$this->assertTrue($this->instance->file_exists('target'));
 		$this->assertTrue($this->instance->file_exists('target/test1.txt'));
@@ -401,4 +401,67 @@ abstract class Storage extends \PHPUnit_Framework_TestCase {
 		$this->assertFalse($this->instance->file_exists('target/test2.txt'));
 		$this->assertEquals('foo', $this->instance->file_get_contents('target/test1.txt'));
 	}
+
+	public function testRenameOverWriteDirectoryOverFile() {
+		$this->instance->mkdir('source');
+		$this->instance->file_put_contents('source/test1.txt', 'foo');
+
+		$this->instance->file_put_contents('target', 'bar');
+
+		$this->instance->rename('source', 'target');
+
+		$this->assertFalse($this->instance->file_exists('source'));
+		$this->assertFalse($this->instance->file_exists('source/test1.txt'));
+		$this->assertEquals('foo', $this->instance->file_get_contents('target/test1.txt'));
+	}
+
+	public function testCopyDirectory() {
+		$this->instance->mkdir('source');
+		$this->instance->file_put_contents('source/test1.txt', 'foo');
+		$this->instance->file_put_contents('source/test2.txt', 'qwerty');
+		$this->instance->mkdir('source/subfolder');
+		$this->instance->file_put_contents('source/subfolder/test.txt', 'bar');
+		$this->instance->copy('source', 'target');
+
+		$this->assertTrue($this->instance->file_exists('source'));
+		$this->assertTrue($this->instance->file_exists('source/test1.txt'));
+		$this->assertTrue($this->instance->file_exists('source/test2.txt'));
+		$this->assertTrue($this->instance->file_exists('source/subfolder'));
+		$this->assertTrue($this->instance->file_exists('source/subfolder/test.txt'));
+
+		$this->assertTrue($this->instance->file_exists('target'));
+		$this->assertTrue($this->instance->file_exists('target/test1.txt'));
+		$this->assertTrue($this->instance->file_exists('target/test2.txt'));
+		$this->assertTrue($this->instance->file_exists('target/subfolder'));
+		$this->assertTrue($this->instance->file_exists('target/subfolder/test.txt'));
+
+		$this->assertEquals('foo', $this->instance->file_get_contents('target/test1.txt'));
+		$this->assertEquals('qwerty', $this->instance->file_get_contents('target/test2.txt'));
+		$this->assertEquals('bar', $this->instance->file_get_contents('target/subfolder/test.txt'));
+	}
+
+	public function testCopyOverWriteDirectory() {
+		$this->instance->mkdir('source');
+		$this->instance->file_put_contents('source/test1.txt', 'foo');
+
+		$this->instance->mkdir('target');
+		$this->instance->file_put_contents('target/test1.txt', 'bar');
+		$this->instance->file_put_contents('target/test2.txt', 'bar');
+
+		$this->instance->copy('source', 'target');
+
+		$this->assertFalse($this->instance->file_exists('target/test2.txt'));
+		$this->assertEquals('foo', $this->instance->file_get_contents('target/test1.txt'));
+	}
+
+	public function testCopyOverWriteDirectoryOverFile() {
+		$this->instance->mkdir('source');
+		$this->instance->file_put_contents('source/test1.txt', 'foo');
+
+		$this->instance->file_put_contents('target', 'bar');
+
+		$this->instance->copy('source', 'target');
+
+		$this->assertEquals('foo', $this->instance->file_get_contents('target/test1.txt'));
+	}
 }