From 25367c55e76495be5ccce0074b46f4b3d2bb374b Mon Sep 17 00:00:00 2001
From: Rohan Kumar <seirdy@seirdy.one>
Date: Fri, 17 Nov 2023 17:20:38 -0800
Subject: [PATCH] Remove extra target URL components for webmentions

Remove query params, port numbers, bad schemes, anchors, etc. from
webmention target URLs.
---
 layouts/partials/webmentions.html | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/layouts/partials/webmentions.html b/layouts/partials/webmentions.html
index 4d11763..4a1ae6d 100644
--- a/layouts/partials/webmentions.html
+++ b/layouts/partials/webmentions.html
@@ -17,18 +17,16 @@
 		{{- $oldTarget := $target | replaceRE "/posts" "" | replaceRE "/$" ".html" -}}
 		{{ $targets = (slice $target $oldTarget) }}
 	{{- end -}}
-	{{- /* We can't just use a simple "where" function because we need to ignore URL anchors when making a comparison: https://discourse.gohugo.io/t/add-like-comparison-operator-to-the-where-function/42013/4 */ -}}
+	{{- /* We can't just use a simple "where" function because we need to ignore URL anchors/query-params when making a comparison: https://discourse.gohugo.io/t/add-like-comparison-operator-to-the-where-function/42013/4 */ -}}
 	{{- $webmentions := slice -}}
 	{{- range $allMentions -}}
 		{{- if in $targets .target -}}
 			{{ $webmentions = $webmentions | append . }}
 		{{- else -}}
-			{{- $fragment := printf `#%s` (urls.Parse .target).Fragment -}}
-			{{- if gt (len $fragment) 1 -}}
-				{{- $trimmedTarget := strings.TrimSuffix $fragment .target -}}
-				{{- if in $targets $trimmedTarget -}}
-					{{ $webmentions = $webmentions | append . }}
-				{{- end -}}
+			{{- $u := urls.Parse .target -}}
+			{{- $trimmedTarget := printf `https://%s%s` $u.Hostname $u.Path -}}
+			{{- if in $targets $trimmedTarget -}}
+				{{ $webmentions = $webmentions | append . }}
 			{{- end -}}
 		{{- end -}}
 	{{- end -}}