Index: xmlrpc.php
===================================================================
--- xmlrpc.php	(revision 5667)
+++ xmlrpc.php	(working copy)
@@ -1429,6 +1429,18 @@
 		$type = $data['type'];
 		$bits = $data['bits'];
 
+		logIO('O', '(MW) Received '.strlen($bits).' bytes');
+
+		if ( !$this->login_pass_ok($user_login, $user_pass) )
+			return $this->error;
+
+		set_current_user(0, $user_login);
+		if ( !current_user_can('upload_files') ) {
+			logIO('O', '(MW) User does not have upload_files capability');
+			$this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
+			return $this->error;
+		}
+		
 		if(!empty($data["overwrite"]) && ($data["overwrite"] == true)) {
 			// Get postmeta info on the object.
 			$old_file = $wpdb->get_row("
@@ -1447,18 +1459,6 @@
 			$name = "wpid{$old_file->ID}-{$filename}";
 		}
 
-		logIO('O', '(MW) Received '.strlen($bits).' bytes');
-
-		if ( !$this->login_pass_ok($user_login, $user_pass) )
-			return $this->error;
-
-		set_current_user(0, $user_login);
-		if ( !current_user_can('upload_files') ) {
-			logIO('O', '(MW) User does not have upload_files capability');
-			$this->error = new IXR_Error(401, __('You are not allowed to upload files to this site.'));
-			return $this->error;
-		}
-
 		if ( $upload_err = apply_filters( "pre_upload_error", false ) )
 			return new IXR_Error(500, $upload_err);