From 48f76d7004da4bd4998d0c79266c62f893cfa7d3 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Fri, 27 Aug 2021 10:52:52 +0200
Subject: add support for `ftp://' protocol

---
 common/patterns.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'common/patterns.js')

diff --git a/common/patterns.js b/common/patterns.js
index 0a322b0..ebb55ab 100644
--- a/common/patterns.js
+++ b/common/patterns.js
@@ -7,6 +7,7 @@
 
 const proto_regex = /^(\w+):\/\/(.*)$/;
 
+const user_re = "[^/?#@]+@"
 const domain_re = "[^/?#]+";
 const path_re = "[^?#]*";
 const query_re = "\\??[^#]*";
@@ -15,6 +16,8 @@ const http_regex = new RegExp(`^(${domain_re})(${path_re})(${query_re}).*`);
 
 const file_regex = new RegExp(`^(${path_re}).*`);
 
+const ftp_regex = new RegExp(`^(${user_re})?(${domain_re})(${path_re}).*`);
+
 function deconstruct_url(url)
 {
     const proto_match = proto_regex.exec(url);
@@ -25,14 +28,18 @@ function deconstruct_url(url)
 
     if (deco.proto === "file") {
 	deco.path = file_regex.exec(proto_match[2])[1];
+    } else if (deco.proto === "ftp") {
+	[deco.domain, deco.path] = ftp_regex.exec(proto_match[2]).slice(2, 4);
     } else {
 	const http_match = http_regex.exec(proto_match[2]);
 	if (!http_match)
 	    return undefined;
 	[deco.domain, deco.path, deco.query] = http_match.slice(1, 4);
-	deco.domain = deco.domain.split(".");
     }
 
+    if (deco.domain)
+	deco.domain = deco.domain.split(".");
+
     const leading_dash = deco.path[0] === "/";
     deco.trailing_dash = deco.path[deco.path.length - 1] === "/";
     deco.path = deco.path.split("/").filter(s => s !== "");
-- 
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