From 15d696ae09a3c8185dd73dfd4edf40e6808e45ff Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Fri, 25 Oct 2024 23:42:20 +0300
Subject: [PATCH] hicli/sync: skip linkifying for messages with no special
 characters

---
 pkg/hicli/sync.go | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/pkg/hicli/sync.go b/pkg/hicli/sync.go
index 467d996..fa8baae 100644
--- a/pkg/hicli/sync.go
+++ b/pkg/hicli/sync.go
@@ -383,10 +383,19 @@ func (h *HiClient) calculateLocalContent(ctx context.Context, dbEvt *database.Ev
 				inlineImages = nil
 			}
 		} else {
-			var builder strings.Builder
-			builder.Grow(len(content.Body) + builderPreallocBuffer)
-			linkifyAndWriteBytes(&builder, []byte(content.Body))
-			sanitizedHTML = builder.String()
+			hasSpecialCharacters := false
+			for _, char := range content.Body {
+				if char == '<' || char == '>' || char == '&' || char == '.' || char == ':' {
+					hasSpecialCharacters = true
+					break
+				}
+			}
+			if hasSpecialCharacters {
+				var builder strings.Builder
+				builder.Grow(len(content.Body) + builderPreallocBuffer)
+				linkifyAndWriteBytes(&builder, []byte(content.Body))
+				sanitizedHTML = builder.String()
+			}
 			wasPlaintext = true
 		}
 		return &database.LocalContent{