From f40e1ff0cc793e60ae72bdc430c24e372cd86015 Mon Sep 17 00:00:00 2001
From: mei23 <m@m544.net>
Date: Thu, 10 May 2018 01:08:33 +0900
Subject: [PATCH] Fix cause error in case preview has data URI

---
 src/server/web/url-preview.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/web/url-preview.ts b/src/server/web/url-preview.ts
index 041c475a4..cd53837a2 100644
--- a/src/server/web/url-preview.ts
+++ b/src/server/web/url-preview.ts
@@ -14,7 +14,7 @@ module.exports = async (ctx: Koa.Context) => {
 
 function wrap(url: string): string {
 	return url != null
-		? url.startsWith('https://')
+		? url.startsWith('https://') || url.startsWith('data:')
 			? url
 			: `https://images.weserv.nl/?url=${encodeURIComponent(url.replace(/^http:\/\//, ''))}`
 		: null;