add more WebDAV methods
diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
index 57ffe4c..9df5bd2 100644
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -30,6 +30,13 @@
#define NGX_HTTP_PUT 0x0010
#define NGX_HTTP_DELETE 0x0020
#define NGX_HTTP_MKCOL 0x0040
+#define NGX_HTTP_COPY 0x0080
+#define NGX_HTTP_MOVE 0x0100
+#define NGX_HTTP_OPTIONS 0x0200
+#define NGX_HTTP_PROPFIND 0x0400
+#define NGX_HTTP_PROPPATCH 0x0800
+#define NGX_HTTP_LOCK 0x1000
+#define NGX_HTTP_UNLOCK 0x2000
#define NGX_HTTP_CONNECTION_CLOSE 1
#define NGX_HTTP_CONNECTION_KEEP_ALIVE 2
