From 52176f77e06f6ae68bf16dc170e664c71dd1da8c Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 20 May 2025 23:20:40 -0400
Subject: httpcache: Handle real long URLs

---
 lib/httpcache/httpcache.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/httpcache/httpcache.go b/lib/httpcache/httpcache.go
index 38cffcb..91a37c2 100644
--- a/lib/httpcache/httpcache.go
+++ b/lib/httpcache/httpcache.go
@@ -2,6 +2,8 @@ package httpcache
 
 import (
 	"bufio"
+	hash "crypto/md5"
+	"encoding/hex"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -68,6 +70,12 @@ func (t *transport) RoundTrip(req *http.Request) (*http.Response, error) {
 	for _, k := range hdrKeys {
 		cacheKey += "|" + url.QueryEscape(k) + ":" + url.QueryEscape(req.Header[k][0])
 	}
+	if len(cacheKey) >= 255 {
+		prefix := cacheKey[:255-(hash.Size*2)]
+		csum := hash.Sum([]byte(cacheKey))
+		suffix := hex.EncodeToString(csum[:])
+		cacheKey = prefix + suffix
+	}
 	cacheFile := filepath.Join(".http-cache", cacheKey)
 
 	// Check the mem cache.
-- 
cgit v1.2.3-54-g00ecf