Merge pull request #4510 from owncloud/f_e_webdav_urlencoding

Fix files_external webdav up and download when path contains ' '

apps/files_external/lib/webdav.php

@@ -171,7 +171,7 @@ class DAV extends \OC\Files\Storage\Common{
 				$curl = curl_init();
 				$fp = fopen('php://temp', 'r+');
 				curl_setopt($curl, CURLOPT_USERPWD, $this->user.':'.$this->password);
-				curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$path);
+				curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().str_replace(' ', '%20', $path));
 				curl_setopt($curl, CURLOPT_FILE, $fp);
 				curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
 
@@ -256,7 +256,7 @@ class DAV extends \OC\Files\Storage\Common{
 
 		$curl = curl_init();
 		curl_setopt($curl, CURLOPT_USERPWD, $this->user.':'.$this->password);
-		curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$target);
+		curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().str_replace(' ', '%20', $target));
 		curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
 		curl_setopt($curl, CURLOPT_INFILE, $source); // file pointer
 		curl_setopt($curl, CURLOPT_INFILESIZE, filesize($path));