From 97ee25b65dffd1468ceb03a4e7f21b1367fb1805 Mon Sep 17 00:00:00 2001
From: wjqserver <114663932+WJQSERVER@users.noreply.github.com>
Date: Fri, 1 Aug 2025 08:42:40 +0800
Subject: [PATCH] fix matcher(4.2.6)

---
 CHANGELOG.md |  4 ++++
 VERSION      |  2 +-
 main.go      | 41 ++++++++++++++++++++++++++++++++++-------
 3 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff99f7b..a0c8786 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # 更新日志
 
+4.2.6 - 2025-08-01
+---
+- CHANGE: 修正匹配器
+
 4.2.5 - 2025-07-31
 ---
 - CHANGE: 进一步完善匹配器, 兼容更多情况
diff --git a/VERSION b/VERSION
index ad35fe0..0ce756d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.5
\ No newline at end of file
+4.2.6
\ No newline at end of file
diff --git a/main.go b/main.go
index 3313829..078a1b5 100644
--- a/main.go
+++ b/main.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"os"
 	"runtime/debug"
+	"strings"
 	"time"
 
 	"ghproxy/api"
@@ -394,14 +395,40 @@ func main() {
 	setupPages(cfg, r)
 	r.SetRedirectTrailingSlash(false)
 
-	r.GET("/github.com/:user/:repo/releases/download/*filepath", func(c *touka.Context) {
-		c.Set("matcher", "releases")
-		proxy.RoutingHandler(cfg)(c)
-	})
+	r.GET("/github.com/:user/:repo/releases/*filepath", func(c *touka.Context) {
+		// 规范化路径: 移除前导斜杠, 简化后续处理
+		filepath := c.Param("filepath")
+		if len(filepath) > 0 && filepath[0] == '/' {
+			filepath = filepath[1:]
+		}
 
-	r.GET("/github.com/:user/:repo/releases/:tag/download/*filepath", func(c *touka.Context) {
-		c.Set("matcher", "releases")
-		proxy.RoutingHandler(cfg)(c)
+		isValidDownload := false
+
+		// 检查两种合法的下载链接格式
+		// 情况 A: "download/..."
+		if strings.HasPrefix(filepath, "download/") {
+			isValidDownload = true
+		} else {
+			// 情况 B: ":tag/download/..."
+			slashIndex := strings.IndexByte(filepath, '/')
+			// 确保 tag 部分存在 (slashIndex > 0)
+			if slashIndex > 0 {
+				pathAfterTag := filepath[slashIndex+1:]
+				if strings.HasPrefix(pathAfterTag, "download/") {
+					isValidDownload = true
+				}
+			}
+		}
+
+		// 根据匹配结果执行最终操作
+		if isValidDownload {
+			c.Set("matcher", "releases")
+			proxy.RoutingHandler(cfg)(c)
+		} else {
+			// 任何不符合下载链接格式的 'releases' 路径都被视为浏览页面并拒绝
+			proxy.ErrorPage(c, proxy.NewErrorWithStatusLookup(400, "unsupported releases page, only download links are allowed"))
+			return
+		}
 	})
 
 	r.GET("/github.com/:user/:repo/archive/*filepath", func(c *touka.Context) {